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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::836; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x836.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 68 ++++++++++++++++++++----------------- 1 file changed, 37 insertions(+), 31 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index db56a48343..2672e08197 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -1276,6 +1276,12 @@ static void gen_illegal_opcode(DisasContext *s) gen_exception(s, EXCP06_ILLOP, s->pc_start - s->cs_base); } =20 +/* Generate #GP for the current instruction. */ +static void gen_exception_gpf(DisasContext *s) +{ + gen_exception(s, EXCP0D_GPF, s->pc_start - s->cs_base); +} + /* if d =3D=3D OR_TMP0, it means memory operand (address in A0) */ static void gen_op(DisasContext *s1, int op, MemOp ot, int d) { @@ -4502,7 +4508,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) s->vex_l =3D 0; s->vex_v =3D 0; if (sigsetjmp(s->jmpbuf, 0) !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); return s->pc; } =20 @@ -6567,7 +6573,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) set_cc_op(s, CC_OP_EFLAGS); } else if (s->vm86) { if (s->iopl !=3D 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1)); set_cc_op(s, CC_OP_EFLAGS); @@ -6689,7 +6695,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x9c: /* pushf */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF); if (s->vm86 && s->iopl !=3D 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_update_cc_op(s); gen_helper_read_eflags(s->T0, cpu_env); @@ -6699,7 +6705,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x9d: /* popf */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF); if (s->vm86 && s->iopl !=3D 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { ot =3D gen_pop_T0(s); if (s->cpl =3D=3D 0) { @@ -7061,7 +7067,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xcd: /* int N */ val =3D x86_ldub_code(env, s); if (s->vm86 && s->iopl !=3D 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_bas= e); } @@ -7084,13 +7090,13 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) if (s->cpl <=3D s->iopl) { gen_helper_cli(cpu_env); } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } } else { if (s->iopl =3D=3D 3) { gen_helper_cli(cpu_env); } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } } break; @@ -7101,7 +7107,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_jmp_im(s, s->pc - s->cs_base); gen_eob_inhibit_irq(s, true); } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } break; case 0x62: /* bound */ @@ -7194,7 +7200,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x130: /* wrmsr */ case 0x132: /* rdmsr */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); @@ -7226,7 +7232,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (CODE64(s) && env->cpuid_vendor1 !=3D CPUID_VENDOR_INTEL_1) goto illegal_op; if (!s->pe) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_sysenter(cpu_env); gen_eob(s); @@ -7237,7 +7243,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (CODE64(s) && env->cpuid_vendor1 !=3D CPUID_VENDOR_INTEL_1) goto illegal_op; if (!s->pe) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_sysexit(cpu_env, tcg_const_i32(dflag - 1)); gen_eob(s); @@ -7256,7 +7262,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0x107: /* sysret */ if (!s->pe) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_sysret(cpu_env, tcg_const_i32(dflag - 1)); /* condition codes are modified only in long mode */ @@ -7278,7 +7284,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0xf4: /* hlt */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); @@ -7304,7 +7310,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!s->pe || s->vm86) goto illegal_op; if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); @@ -7325,7 +7331,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!s->pe || s->vm86) goto illegal_op; if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); @@ -7441,7 +7447,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; } if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } tcg_gen_concat_tl_i64(s->tmp1_i64, cpu_regs[R_EAX], @@ -7458,7 +7464,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; } if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7483,7 +7489,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; } if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7496,7 +7502,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; } if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7511,7 +7517,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; } if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7525,7 +7531,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; } if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7549,7 +7555,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; } if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7559,7 +7565,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 CASE_MODRM_MEM_OP(2): /* lgdt */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_WRITE); @@ -7576,7 +7582,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 CASE_MODRM_MEM_OP(3): /* lidt */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_WRITE); @@ -7622,7 +7628,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; CASE_MODRM_OP(6): /* lmsw */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); @@ -7634,7 +7640,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 CASE_MODRM_MEM_OP(7): /* invlpg */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7649,7 +7655,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) #ifdef TARGET_X86_64 if (CODE64(s)) { if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { tcg_gen_mov_tl(s->T0, cpu_seg_base[R_GS]); tcg_gen_ld_tl(cpu_seg_base[R_GS], cpu_env, @@ -7685,7 +7691,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x108: /* invd */ case 0x109: /* wbinvd */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD := SVM_EXIT_WBINVD); /* nothing to do */ @@ -8009,7 +8015,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x120: /* mov reg, crN */ case 0x122: /* mov crN, reg */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { modrm =3D x86_ldub_code(env, s); /* Ignore the mod bits (assume (modrm&0xc0)=3D=3D0xc0). @@ -8063,7 +8069,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x121: /* mov reg, drN */ case 0x123: /* mov drN, reg */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { #ifndef CONFIG_USER_ONLY modrm =3D x86_ldub_code(env, s); @@ -8099,7 +8105,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0x106: /* clts */ if (s->cpl !=3D 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); gen_helper_clts(cpu_env); --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005400; cv=none; d=zohomail.com; s=zohoarc; b=mdgNWEw+/mWqbA2TTqq08nu4E4q7Ado1B7nN24co8feVAuGjC8RPeXwDa1yZCaBVIOdkgCNZopo5uryrMSoMV3YzMqWYjrqnd11zbGZ6zKb8Y4qykP7LeEBMhvB2vAhYfbqt9yUTm0WCIWQGZPMrCzrs5FSpSvS52Kp262PK2t4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005400; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=5A7nH1or1MEP7lGQdlcM27WEc2jVJJ0++3HgS+fnVq0=; b=JvZdNPxHKPfWcNXbHOB0xUrA3cFPfM2K1MZKjWzRCkhbT5crbyg5a/ElUpVtKbSt1OoPdzGQYO9wHe4/DZgE3o7x9LE5Q/Lz3d3uEjI6DpfvqdHRpdDEY7fp54veAv8AMQaayRl7Jc5WdA1zbIFrwyrx/wuApJRzWSGPModaLD8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005400085386.9683440008964; Fri, 14 May 2021 08:16:40 -0700 (PDT) Received: from localhost ([::1]:48176 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZYK-0008Em-2W for importer@patchew.org; Fri, 14 May 2021 11:16:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36554) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVe-00057m-GO for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:50 -0400 Received: from mail-qt1-x833.google.com ([2607:f8b0:4864:20::833]:43898) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVb-0006t1-6v for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:50 -0400 Received: by mail-qt1-x833.google.com with SMTP id c10so12603173qtx.10 for ; Fri, 14 May 2021 08:13:46 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5A7nH1or1MEP7lGQdlcM27WEc2jVJJ0++3HgS+fnVq0=; b=MEQVPBB+Oq4UZNt768MwtcO6wy/B/pb8J89iaYz3iS/gZM9kug36Huqwa+s8Md/rpI tTnOwqEChAqYKUTmS5wpuMcTAmzED4H23ZhaIy9aAwj59SBw23I0jpgueHpr1MzifP9q UqsyQc67fzUJhIwx4I8ehx9Uc8mbmpRy4Ef7C41I6pFnVLopfkaqSxhNDu9aXann8FDt w90Gh1rmmVubmis4xkRneoBoTBmUH4agusqwFr9Kha2d9hKI2X02rcs4AV6Q+oP75A2l l6kmH6eyHtIjz8JRvFQ0bSFM3tcU0AKptGEZGiv4j+rd/f8wQPPYC+QfUt32sa7Vnrzg pnAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5A7nH1or1MEP7lGQdlcM27WEc2jVJJ0++3HgS+fnVq0=; b=RcMbUOD3ED2EgvLW82jHdILWrfBAIKsw/9qw3GBvBcgpVEO/buHgTdC59hWaxYF9Cm dPjbfJb+t27JTtQ00pwjSAqcsp2lMQnSvxek3JkvpG5XH/LOCLQyZVL8O3vNk0+aec+y Tizvlx1/v9BbRe5p2hxxVxrE7C0LvL9w997DEN0Bwiz17TtFx1Ecy5QVY1TD/NT+JDWo JOUNEnpu/yjT3nT4W9noifNubGRltungRPCO7q3NaK50ujLMDOFX4NnNZro5RhV1HhOK Ys2Q4pdXhozJBxp1JGJmyQEIYCUnHDL8F6CjdG+AbHFE18sOUp2BVyEXWjsjGjk8ermd iAcg== X-Gm-Message-State: AOAM5339sSna/DHw2Z00/qcQ/wYpApM08OeW+sSwUFVsRQ/r33pSm+PO 4hQgS3NbgvEeFFVJjM1+fwy1UG59h/65MjC9Gcg= X-Google-Smtp-Source: ABdhPJxvM1mAAsCjmoz8yYAIpL/MB3OXxSZWWFJRUYinH8uAc2va4x+38L1CWSvt6ksGVGyoe3S16Q== X-Received: by 2002:ac8:76d6:: with SMTP id q22mr9508521qtr.88.1621005226318; Fri, 14 May 2021 08:13:46 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 02/50] target/i386: Split out check_cpl0 Date: Fri, 14 May 2021 10:12:54 -0500 Message-Id: <20210514151342.384376-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::833; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x833.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Split out the check for CPL !=3D 0 and the raising of #GP. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 79 ++++++++++++++----------------------- 1 file changed, 30 insertions(+), 49 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 2672e08197..61b30117a3 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -1282,6 +1282,16 @@ static void gen_exception_gpf(DisasContext *s) gen_exception(s, EXCP0D_GPF, s->pc_start - s->cs_base); } =20 +/* Check for cpl =3D=3D 0; if not, raise #GP and return false. */ +static bool check_cpl0(DisasContext *s) +{ + if (s->cpl =3D=3D 0) { + return true; + } + gen_exception_gpf(s); + return false; +} + /* if d =3D=3D OR_TMP0, it means memory operand (address in A0) */ static void gen_op(DisasContext *s1, int op, MemOp ot, int d) { @@ -7199,9 +7209,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0x130: /* wrmsr */ case 0x132: /* rdmsr */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); if (b & 2) { @@ -7283,9 +7291,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_helper_cpuid(cpu_env); break; case 0xf4: /* hlt */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); gen_helper_hlt(cpu_env, tcg_const_i32(s->pc - pc_start)); @@ -7309,9 +7315,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 2: /* lldt */ if (!s->pe || s->vm86) goto illegal_op; - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); @@ -7330,9 +7334,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 3: /* ltr */ if (!s->pe || s->vm86) goto illegal_op; - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); @@ -7446,8 +7448,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) | PREFIX_REPZ | PREFIX_REPNZ))) { goto illegal_op; } - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } tcg_gen_concat_tl_i64(s->tmp1_i64, cpu_regs[R_EAX], @@ -7463,8 +7464,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!(s->flags & HF_SVME_MASK) || !s->pe) { goto illegal_op; } - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_update_cc_op(s); @@ -7488,8 +7488,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!(s->flags & HF_SVME_MASK) || !s->pe) { goto illegal_op; } - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_update_cc_op(s); @@ -7501,8 +7500,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!(s->flags & HF_SVME_MASK) || !s->pe) { goto illegal_op; } - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_update_cc_op(s); @@ -7516,8 +7514,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) || !s->pe) { goto illegal_op; } - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_update_cc_op(s); @@ -7530,8 +7527,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!(s->flags & HF_SVME_MASK) || !s->pe) { goto illegal_op; } - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_update_cc_op(s); @@ -7554,8 +7550,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!(s->flags & HF_SVME_MASK) || !s->pe) { goto illegal_op; } - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_update_cc_op(s); @@ -7564,8 +7559,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 CASE_MODRM_MEM_OP(2): /* lgdt */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_WRITE); @@ -7581,8 +7575,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 CASE_MODRM_MEM_OP(3): /* lidt */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_WRITE); @@ -7627,8 +7620,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_helper_wrpkru(cpu_env, s->tmp2_i32, s->tmp1_i64); break; CASE_MODRM_OP(6): /* lmsw */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); @@ -7639,8 +7631,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 CASE_MODRM_MEM_OP(7): /* invlpg */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); + if (!check_cpl0(s)) { break; } gen_update_cc_op(s); @@ -7654,9 +7645,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xf8: /* swapgs */ #ifdef TARGET_X86_64 if (CODE64(s)) { - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { tcg_gen_mov_tl(s->T0, cpu_seg_base[R_GS]); tcg_gen_ld_tl(cpu_seg_base[R_GS], cpu_env, offsetof(CPUX86State, kernelgsbase)); @@ -7690,9 +7679,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 case 0x108: /* invd */ case 0x109: /* wbinvd */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD := SVM_EXIT_WBINVD); /* nothing to do */ } @@ -8014,9 +8001,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0x120: /* mov reg, crN */ case 0x122: /* mov crN, reg */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { modrm =3D x86_ldub_code(env, s); /* Ignore the mod bits (assume (modrm&0xc0)=3D=3D0xc0). * AMD documentation (24594.pdf) and testing of @@ -8068,9 +8053,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0x121: /* mov reg, drN */ case 0x123: /* mov drN, reg */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { #ifndef CONFIG_USER_ONLY modrm =3D x86_ldub_code(env, s); /* Ignore the mod bits (assume (modrm&0xc0)=3D=3D0xc0). @@ -8104,9 +8087,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) } break; case 0x106: /* clts */ - if (s->cpl !=3D 0) { - gen_exception_gpf(s); - } else { + if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); gen_helper_clts(cpu_env); /* abort block because static cpu state changed */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005395; cv=none; d=zohomail.com; s=zohoarc; b=UaGrTaOXo3UMX1+n+qG6IY3z4eAgpYnjiIt1lrk9GmOfmdQdYipz9yYKOG+Gtr1Hy9DKan/I5amKusfZkTmU82a2v7xh+Myq37GvyUYTqtlUKeSMrRxJ02uB2Agv2EPXk1q3lb/74qtWrdN9u01CG77DN6qAijh2+vqOqi/Jm/U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005395; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=xQciwROGGXidJ4lmjtXTMfMW/YRQn24y/Lt7jypAFlU=; b=Z817kWyZG/qep8rLtQj2407SHjYhT5oavWfEko7WfgNVpUimwtVTqeUaFloO0nabKcV562korzN39XhrxK54Mmi1Fu4Rx8t6Thu0lZYL6FTrUY+cXuOfHQK3ePUiaH80TWHrUQzlgWtexduX4dSlMeC//5frLPi6q89AHHdO9yQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005395132375.2342749587606; Fri, 14 May 2021 08:16:35 -0700 (PDT) Received: from localhost ([::1]:47916 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZYF-00084Q-Ug for importer@patchew.org; Fri, 14 May 2021 11:16:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36542) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVd-00056i-Pp for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:49 -0400 Received: from mail-qt1-x82f.google.com ([2607:f8b0:4864:20::82f]:34705) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVc-0006tl-C6 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:49 -0400 Received: by mail-qt1-x82f.google.com with SMTP id v4so13605046qtp.1 for ; Fri, 14 May 2021 08:13:47 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xQciwROGGXidJ4lmjtXTMfMW/YRQn24y/Lt7jypAFlU=; b=ucC9np7MNAzCdVyZbJaaaOFRDOYAffF9OY6GRVhSuxtv4KIq9HDzMDyzGWodeegbJ+ +T9NvOxWDIsdpeFk1m6YB9pI7UNKNb7fKZ4Ks7VhTOLSPKzvZswKZMIWfb84amXvZyl1 b1CvkFdMGmINNWMDaDI3Fqxk5xAd1kUzc4VwZ8VuCFfUQUG+ji4PDEV+xWVygoxj1Eh3 7rzqGVfGrqtBhUiHlYrdsT2RlWAZ041OzBFcLsS1OoR+Let0mESHV9rIFNRfn8TRZ5zm kxeqEfYc+uLMeT8cF7QvLLAVxMZ8k5cefdHyq9fWD80bOVXjCu811/FncJdzg1mZqQJw gplA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xQciwROGGXidJ4lmjtXTMfMW/YRQn24y/Lt7jypAFlU=; b=erJJgu59ETvzTnuRC2zVNiMMxyNtRzgBecAc+9UAheHCYo/asa/Zttp2C3SGSqWF6a RMYlnR+E2Y9X2GISaQ+DtiCbEUbsQ9nuJXRija1AYwDSwQbXg2s0FoIHuQt0od9+fjrB 27679vokCbZ+3oEp3hMLQIJUkvQgGs/dUrJHIP5AeBCilFU7rqyR5EJW/mqv5nZd7hi3 aOJsHlxObIireTXFxnynXRnLCCS3Q9at5M5m6CMId91YVoWdddRojdrLG7YBfy4fem6/ QtNtljTm1VtJFmB5qS6/F7XXftIEzuHpN7mBfl49E0KFhV/cztM4ipgdeUaRJAMjivcF Iq/Q== X-Gm-Message-State: AOAM532tLESjZR6CUaklV/GfcQo2vxZi2REif74bJdriwfmLyR9PDpVO aeVX8nHVzvBVR0VtNWEe5FgzSwmfPLikmv2xi9Q= X-Google-Smtp-Source: ABdhPJxWlvdk/i8wY3MJ5D8YuG/qf+GNb35+QFYJnOs//LfAXGPNmm6iXB5eDefrL+NKJMEnM+YrJg== X-Received: by 2002:a05:622a:1114:: with SMTP id e20mr27309901qty.324.1621005227229; Fri, 14 May 2021 08:13:47 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 03/50] target/i386: Unify code paths for IRET Date: Fri, 14 May 2021 10:12:55 -0500 Message-Id: <20210514151342.384376-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82f; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" In vm86 mode, we use the same helper as real-mode, but with an extra check for IOPL. All non-exceptional paths set EFLAGS. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 61b30117a3..0a15662949 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -6577,22 +6577,18 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) goto do_lret; case 0xcf: /* iret */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET); - if (!s->pe) { - /* real mode */ - gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1)); - set_cc_op(s, CC_OP_EFLAGS); - } else if (s->vm86) { - if (s->iopl !=3D 3) { + if (!s->pe || s->vm86) { + /* real mode or vm86 mode */ + if (s->vm86 && s->iopl !=3D 3) { gen_exception_gpf(s); - } else { - gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1)); - set_cc_op(s, CC_OP_EFLAGS); + break; } + gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1)); } else { gen_helper_iret_protected(cpu_env, tcg_const_i32(dflag - 1), tcg_const_i32(s->pc - s->cs_base)); - set_cc_op(s, CC_OP_EFLAGS); } + set_cc_op(s, CC_OP_EFLAGS); gen_eob(s); break; case 0xe8: /* call im */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005518; cv=none; d=zohomail.com; s=zohoarc; b=OzS4PDqT+zUI31aiFOXsXdbm1GIpVHcOimVfFuQKuY+po+BoUENfy3GFilDc2Wd+g1BTXwzIJp9duW7w4YDdLmnK0u2xbqFg1XYZ83Is+zkB4ig7yTIIXQS6o4aIZCvyyrx6wKKDta+4y3KQwyJ96ZxzG/iCw+F5NR6aRUwcpxY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005518; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Cy6PLjMvnYjeMFXZ1nwqpvec9BRyqDaiLDpHPH5BvCE=; b=NKdZVpsxp9N4TQYEjRXRMizSJVm0qTamgcc3N8rI16XviZQ3twQfvX7ikpADRF2CIMerFxws6q7TzeTWASUIDf3DEEKubnnJn3sTT+f7bABmpvP8gjYzlYbyOx2JAVRNxwD16TsQGqYQe2dL94EPbyOajQnaSRR6O0PFTSK6C68= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005518615103.41402968734315; Fri, 14 May 2021 08:18:38 -0700 (PDT) Received: from localhost ([::1]:56150 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZaG-0005l0-Kn for importer@patchew.org; Fri, 14 May 2021 11:18:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36566) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVf-0005AC-GE for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:51 -0400 Received: from mail-qt1-x836.google.com ([2607:f8b0:4864:20::836]:46003) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVd-0006tw-0i for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:51 -0400 Received: by mail-qt1-x836.google.com with SMTP id j11so22388562qtn.12 for ; Fri, 14 May 2021 08:13:48 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Cy6PLjMvnYjeMFXZ1nwqpvec9BRyqDaiLDpHPH5BvCE=; b=ZDF3J6/JFm/8yxZhVkCm3ZgEyI9bS1E9BbRsj17u4XtP5jSRXR7NZhfqwJpF7R2rMh XFpUThwUvZfreV6hHtFs1OuAAR5BXcex2PF0gFaxIVyfmUm3eLTCbL+ouXoA7NeK4zPm KJwBX6lOWFYBhk9rUNVLWbBvFVTz6fbzozLbMMNBNShPYSvnDfQEWOfzBrJXhB5hKbRw f9aTFOsd9dQ0JP2BKd2uYYWqGqYe4FVPf3I89fzlIkil4ejsjXACTDcd+11KaEdVY65v CMwr44Ib5TvmKjsLFtHDCbuFHCXD2807/KqI5sZbOHcm91BdQ0Vz3CpBAMAqLtr+cBkb gdvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Cy6PLjMvnYjeMFXZ1nwqpvec9BRyqDaiLDpHPH5BvCE=; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::836; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x836.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 0a15662949..74f6024f82 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -1292,6 +1292,16 @@ static bool check_cpl0(DisasContext *s) return false; } =20 +/* If vm86, check for iopl =3D=3D 3; if not, raise #GP and return false. */ +static bool check_vm86_iopl(DisasContext *s) +{ + if (!s->vm86 || s->iopl =3D=3D 3) { + return true; + } + gen_exception_gpf(s); + return false; +} + /* if d =3D=3D OR_TMP0, it means memory operand (address in A0) */ static void gen_op(DisasContext *s1, int op, MemOp ot, int d) { @@ -6579,8 +6589,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET); if (!s->pe || s->vm86) { /* real mode or vm86 mode */ - if (s->vm86 && s->iopl !=3D 3) { - gen_exception_gpf(s); + if (!check_vm86_iopl(s)) { break; } gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1)); @@ -6700,9 +6709,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) /* flags */ case 0x9c: /* pushf */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF); - if (s->vm86 && s->iopl !=3D 3) { - gen_exception_gpf(s); - } else { + if (check_vm86_iopl(s)) { gen_update_cc_op(s); gen_helper_read_eflags(s->T0, cpu_env); gen_push_v(s, s->T0); @@ -6710,9 +6717,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0x9d: /* popf */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF); - if (s->vm86 && s->iopl !=3D 3) { - gen_exception_gpf(s); - } else { + if (check_vm86_iopl(s)) { ot =3D gen_pop_T0(s); if (s->cpl =3D=3D 0) { if (dflag !=3D MO_16) { @@ -7072,9 +7077,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0xcd: /* int N */ val =3D x86_ldub_code(env, s); - if (s->vm86 && s->iopl !=3D 3) { - gen_exception_gpf(s); - } else { + if (check_vm86_iopl(s)) { gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_bas= e); } break; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CJs83vrRkquhvYUlXXsfGJep/VUt9Y0YD41hrYq3TI8=; b=MvoUuQReRyPSIbc2dRBNtz8MHO+ecle/XMX8cLoU9adzaJ9LuTgBovFKR5smaG8D5b UGqDqLjjEvUyPqsvgoO/exA6+WN9ucgJJ2o3R6mkVqkXVh4o4l1vtphQstJUHqaa/z/Q TUXm9Jg13W3BlNxUgJnVNRUYBZ1yFhuINLKZ0ufw7VED4YSNi9YnMBv3Rm5xqlum9YjN ADlajAeWentUdeU/VEi6KxqYDZJWyc8yAsNpFTK6dIcIMAct6Nrb+urOKOTTGzFrB8Ao pFg8/hYQ3KcabjO3OmEWLugNFEYIrI/K6bM6HTOtGIVB4R8mX4k0TMYrkHFkj86JPo7L Ny2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CJs83vrRkquhvYUlXXsfGJep/VUt9Y0YD41hrYq3TI8=; b=VqEGOaa0GlCQACSi9dig3l/3dc5wtMHfp3ybJz9UONub1U1vaVmATI+hvAp/7LMhTI LOaHJ71L5l2QSon3K7Dv2fobAUbiswHRLW6GCC+itF2Mh/4++v6j/5YmawTl9DUX9AiL bMmiuZPqfNGguHzJbFiraE4nGsy0oWUM7MMSIZkC9FMxdOa1XyjEqrzD6FkANukk/0EE RKSbZfklJPqz4rDW63B9Iv+o4LOL+nwQk7xry4kaAXgW/oaxAb6zQdwaUtWywJaygEIw P1nWCPOKKSylFivsoNeaMNQvjPwk324lf094HuEHptsKpwM5Mb0z7CzMKNsY2/zkDLAC 75bw== X-Gm-Message-State: AOAM533l0U4E1BEzK3c7y6jgaGLA9p+2W7ipLnlMznAoIMEBEdFHdpee lZibJ+7CsAWTSTnu2zqkn2hxV9f9dJgttfE9oys= X-Google-Smtp-Source: ABdhPJzKmK3SVC2qMmI/Hw0MWMSkm0iJWT0nbVGTtTmqiAPlxbixTL9GZ06DJ+KYhgpXHnjF6DVreA== X-Received: by 2002:ac8:6908:: with SMTP id e8mr25694616qtr.174.1621005228941; Fri, 14 May 2021 08:13:48 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 05/50] target/i386: Split out check_iopl Date: Fri, 14 May 2021 10:12:57 -0500 Message-Id: <20210514151342.384376-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::830; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x830.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 28 +++++++++++++--------------- 1 file changed, 13 insertions(+), 15 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 74f6024f82..873ed00975 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -1302,6 +1302,16 @@ static bool check_vm86_iopl(DisasContext *s) return false; } =20 +/* Check for iopl allowing access; if not, raise #GP and return false. */ +static bool check_iopl(DisasContext *s) +{ + if (s->vm86 ? s->iopl =3D=3D 3 : s->cpl <=3D s->iopl) { + return true; + } + gen_exception_gpf(s); + return false; +} + /* if d =3D=3D OR_TMP0, it means memory operand (address in A0) */ static void gen_op(DisasContext *s1, int op, MemOp ot, int d) { @@ -7095,28 +7105,16 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) break; #endif case 0xfa: /* cli */ - if (!s->vm86) { - if (s->cpl <=3D s->iopl) { - gen_helper_cli(cpu_env); - } else { - gen_exception_gpf(s); - } - } else { - if (s->iopl =3D=3D 3) { - gen_helper_cli(cpu_env); - } else { - gen_exception_gpf(s); - } + if (check_iopl(s)) { + gen_helper_cli(cpu_env); } break; case 0xfb: /* sti */ - if (s->vm86 ? s->iopl =3D=3D 3 : s->cpl <=3D s->iopl) { + if (check_iopl(s)) { gen_helper_sti(cpu_env); /* interruptions are enabled only the first insn after sti */ gen_jmp_im(s, s->pc - s->cs_base); gen_eob_inhibit_irq(s, true); - } else { - gen_exception_gpf(s); } break; case 0x62: /* bound */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005525; cv=none; d=zohomail.com; s=zohoarc; b=HjgTTflgdAppzU+WPxWT1d2k3VSQjUUZW4A4Jz5g2ggCJgjz1cL1Q+XS9p7z2BBFvjYvxak642Vz3md1kbah764ECDtYKn4lc5rvKzZhaz1STwsQaznlU37p89e9gJCID/+pIWV33TEpTpYV8muIUxXcC9vnW9FK3QJNOapaNxM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005525; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hRKGf1BCHbagvXvCVoeO/AVJmL4tjkAY1hGTFTA4psE=; b=VbHz7nkq7OTOG2KSdj7C1gzxDhktdew/LnkAwnRJhRIPvXDC0GNnFfP3jsAox6PNj8OnpI5UEWLbTv/GF4VaRrj+KAyuiNNRlnRGZHc/tJDEa/qDlvhU4sFSJwggliGZtLMaPq6JI1U3iuP2TcfzPotNAqdU1er4bFsdlOkhrEc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005525884147.4766632118509; Fri, 14 May 2021 08:18:45 -0700 (PDT) Received: from localhost ([::1]:56774 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZaN-0006AM-SD for importer@patchew.org; Fri, 14 May 2021 11:18:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36592) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVh-0005FW-3H for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:53 -0400 Received: from mail-qt1-x829.google.com ([2607:f8b0:4864:20::829]:40599) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVe-0006vd-Q4 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:52 -0400 Received: by mail-qt1-x829.google.com with SMTP id j19so22404695qtp.7 for ; Fri, 14 May 2021 08:13:50 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hRKGf1BCHbagvXvCVoeO/AVJmL4tjkAY1hGTFTA4psE=; b=cY+Km0A9HpJpM7sisivPBQbjwYqnVJv649dB2exxiHwuELhWVuIi46hvRS6sLaKWRe vSc7CfMCGMD1/uziaXTrNN+6c5R5u525rSm0az77qDqsQSMXXfZflm3q45x3chzjyBn0 pqWMJGJUK7Lxw7aYu9HR2oHqClm1Q4vn6zhI6ZB8iNapSSmezr4tjc63IeXRYEttEJ2A XdrVfhFgQeCm/1XmRe1OstNblDC0s73prKgKIKc9IBwmX0XAOYB3YI0V39v2WzMZg7ww 0szWOuK28pFHRMpB9FjM3FCN0h2wjxD8F34OgidUbT5HRqKlaMO4YeFYVC/+AIB1x2Bg eU/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=hRKGf1BCHbagvXvCVoeO/AVJmL4tjkAY1hGTFTA4psE=; b=R/rhSrUDE1+IMBmeNPaxsbiVAv+KpY0wBpL59YXenENog5DNMqMHXqFm4VfkKHeaX2 ln4jhb8MnQQEEIu8VqrfZduUgJx3tZMgAnjZ2zIziXPCwvZ6dGS2hDZYo9bo1rB2goZS aC07BrDHxqW7NFyuNPLanOqJj8ixnnlOCJJoGcXaFOSaqRCkKaPm3/GdqJMYa5Zt4ovz fH+219diK4f5Fv9Hu+2a6wvMe+Ep5Cqe6Hq+YketKxlCltwnIZDPyem7WWlTEDr1G2TB GJxRHRfBd2wLr5dDCcvRAqbh1zMgBqb/1Y2yCAJ3lLgi7WSre1EGWQJ48BCBLwsa0Rjd gPfg== X-Gm-Message-State: AOAM5310k4prq5ZjGW2zhqAZolagYRLvfn/0GGJFbExD6R67qT57uzkC xosnIlm4DwZ3e0ljXFq+2/SVxiymIQzcSrtDWFg= X-Google-Smtp-Source: ABdhPJwqdbTgHJCBkwguFAs7xJ70jf5e1IpM5rXsU9ljNdDZKJqhYHeW6f4gyfz62YznXlNotloumA== X-Received: by 2002:ac8:72ce:: with SMTP id o14mr44309550qtp.198.1621005229950; Fri, 14 May 2021 08:13:49 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 06/50] target/i386: Assert PE is set for user-only Date: Fri, 14 May 2021 10:12:58 -0500 Message-Id: <20210514151342.384376-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::829; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x829.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" A user-mode executable is never in real-mode. Since we're adding an accessor macro, pull the value directly out of flags for sysemu. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 69 +++++++++++++++++++------------------ 1 file changed, 36 insertions(+), 33 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 873ed00975..7f3993fccb 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -94,7 +94,6 @@ typedef struct DisasContext { target_ulong pc; /* pc =3D eip + cs_base */ /* current block context */ target_ulong cs_base; /* base of CS segment */ - int pe; /* protected mode */ int code32; /* 32 bit code segment */ #ifdef TARGET_X86_64 int lma; /* long mode active */ @@ -146,6 +145,13 @@ typedef struct DisasContext { sigjmp_buf jmpbuf; } DisasContext; =20 +/* The environment in which user-only runs is constrained. */ +#ifdef CONFIG_USER_ONLY +#define PE(S) true +#else +#define PE(S) (((S)->flags & HF_PE_MASK) !=3D 0) +#endif + static void gen_eob(DisasContext *s); static void gen_jr(DisasContext *s, TCGv dest); static void gen_jmp(DisasContext *s, target_ulong eip); @@ -617,7 +623,7 @@ static void gen_check_io(DisasContext *s, MemOp ot, tar= get_ulong cur_eip, { target_ulong next_eip; =20 - if (s->pe && (s->cpl > s->iopl || s->vm86)) { + if (PE(s) && (s->cpl > s->iopl || s->vm86)) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); switch (ot) { case MO_8: @@ -2345,7 +2351,7 @@ static inline void gen_op_movl_seg_T0_vm(DisasContext= *s, X86Seg seg_reg) call this function with seg_reg =3D=3D R_CS */ static void gen_movl_seg_T0(DisasContext *s, X86Seg seg_reg) { - if (s->pe && !s->vm86) { + if (PE(s) && !s->vm86) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_load_seg(cpu_env, tcg_const_i32(seg_reg), s->tmp2_i32); /* abort translation because the addseg value may change or @@ -5108,7 +5114,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_add_A0_im(s, 1 << ot); gen_op_ld_v(s, MO_16, s->T0, s->A0); do_lcall: - if (s->pe && !s->vm86) { + if (PE(s) && !s->vm86) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_lcall_protected(cpu_env, s->tmp2_i32, s->T1, tcg_const_i32(dflag - 1), @@ -5138,7 +5144,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_add_A0_im(s, 1 << ot); gen_op_ld_v(s, MO_16, s->T0, s->A0); do_ljmp: - if (s->pe && !s->vm86) { + if (PE(s) && !s->vm86) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_ljmp_protected(cpu_env, s->tmp2_i32, s->T1, tcg_const_tl(s->pc - s->cs_base)= ); @@ -6571,7 +6577,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xca: /* lret im */ val =3D x86_ldsw_code(env, s); do_lret: - if (s->pe && !s->vm86) { + if (PE(s) && !s->vm86) { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); gen_helper_lret_protected(cpu_env, tcg_const_i32(dflag - 1), @@ -6597,7 +6603,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto do_lret; case 0xcf: /* iret */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET); - if (!s->pe || s->vm86) { + if (!PE(s) || s->vm86) { /* real mode or vm86 mode */ if (!check_vm86_iopl(s)) { break; @@ -7236,7 +7242,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) /* For Intel SYSENTER is valid on 64-bit */ if (CODE64(s) && env->cpuid_vendor1 !=3D CPUID_VENDOR_INTEL_1) goto illegal_op; - if (!s->pe) { + if (!PE(s)) { gen_exception_gpf(s); } else { gen_helper_sysenter(cpu_env); @@ -7247,7 +7253,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) /* For Intel SYSEXIT is valid on 64-bit */ if (CODE64(s) && env->cpuid_vendor1 !=3D CPUID_VENDOR_INTEL_1) goto illegal_op; - if (!s->pe) { + if (!PE(s)) { gen_exception_gpf(s); } else { gen_helper_sysexit(cpu_env, tcg_const_i32(dflag - 1)); @@ -7266,7 +7272,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_eob_worker(s, false, true); break; case 0x107: /* sysret */ - if (!s->pe) { + if (!PE(s)) { gen_exception_gpf(s); } else { gen_helper_sysret(cpu_env, tcg_const_i32(dflag - 1)); @@ -7301,7 +7307,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) op =3D (modrm >> 3) & 7; switch(op) { case 0: /* sldt */ - if (!s->pe || s->vm86) + if (!PE(s) || s->vm86) goto illegal_op; gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ); tcg_gen_ld32u_tl(s->T0, cpu_env, @@ -7310,7 +7316,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1); break; case 2: /* lldt */ - if (!s->pe || s->vm86) + if (!PE(s) || s->vm86) goto illegal_op; if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); @@ -7320,7 +7326,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) } break; case 1: /* str */ - if (!s->pe || s->vm86) + if (!PE(s) || s->vm86) goto illegal_op; gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ); tcg_gen_ld32u_tl(s->T0, cpu_env, @@ -7329,7 +7335,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1); break; case 3: /* ltr */ - if (!s->pe || s->vm86) + if (!PE(s) || s->vm86) goto illegal_op; if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); @@ -7340,7 +7346,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 4: /* verr */ case 5: /* verw */ - if (!s->pe || s->vm86) + if (!PE(s) || s->vm86) goto illegal_op; gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); gen_update_cc_op(s); @@ -7458,7 +7464,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xd8: /* VMRUN */ - if (!(s->flags & HF_SVME_MASK) || !s->pe) { + if (!(s->flags & HF_SVME_MASK) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7482,7 +7488,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xda: /* VMLOAD */ - if (!(s->flags & HF_SVME_MASK) || !s->pe) { + if (!(s->flags & HF_SVME_MASK) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7494,7 +7500,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xdb: /* VMSAVE */ - if (!(s->flags & HF_SVME_MASK) || !s->pe) { + if (!(s->flags & HF_SVME_MASK) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7508,7 +7514,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xdc: /* STGI */ if ((!(s->flags & HF_SVME_MASK) && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) - || !s->pe) { + || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7521,7 +7527,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xdd: /* CLGI */ - if (!(s->flags & HF_SVME_MASK) || !s->pe) { + if (!(s->flags & HF_SVME_MASK) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7535,7 +7541,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xde: /* SKINIT */ if ((!(s->flags & HF_SVME_MASK) && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) - || !s->pe) { + || !PE(s)) { goto illegal_op; } gen_update_cc_op(s); @@ -7544,7 +7550,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xdf: /* INVLPGA */ - if (!(s->flags & HF_SVME_MASK) || !s->pe) { + if (!(s->flags & HF_SVME_MASK) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7711,7 +7717,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) TCGLabel *label1; TCGv t0, t1, t2, a0; =20 - if (!s->pe || s->vm86) + if (!PE(s) || s->vm86) goto illegal_op; t0 =3D tcg_temp_local_new(); t1 =3D tcg_temp_local_new(); @@ -7759,7 +7765,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) { TCGLabel *label1; TCGv t0; - if (!s->pe || s->vm86) + if (!PE(s) || s->vm86) goto illegal_op; ot =3D dflag !=3D MO_16 ? MO_32 : MO_16; modrm =3D x86_ldub_code(env, s); @@ -8461,9 +8467,13 @@ static void i386_tr_init_disas_context(DisasContextB= ase *dcbase, CPUState *cpu) DisasContext *dc =3D container_of(dcbase, DisasContext, base); CPUX86State *env =3D cpu->env_ptr; uint32_t flags =3D dc->base.tb->flags; - target_ulong cs_base =3D dc->base.tb->cs_base; =20 - dc->pe =3D (flags >> HF_PE_SHIFT) & 1; + dc->cs_base =3D dc->base.tb->cs_base; + dc->flags =3D flags; + + /* We make some simplifying assumptions; validate they're correct. */ + g_assert(PE(dc) =3D=3D ((flags & HF_PE_MASK) !=3D 0)); + dc->code32 =3D (flags >> HF_CS32_SHIFT) & 1; dc->ss32 =3D (flags >> HF_SS32_SHIFT) & 1; dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; @@ -8474,7 +8484,6 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) dc->tf =3D (flags >> TF_SHIFT) & 1; dc->cc_op =3D CC_OP_DYNAMIC; dc->cc_op_dirty =3D false; - dc->cs_base =3D cs_base; dc->popl_esp_hack =3D 0; /* select memory access functions */ dc->mem_index =3D 0; @@ -8491,7 +8500,6 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) dc->lma =3D (flags >> HF_LMA_SHIFT) & 1; dc->code64 =3D (flags >> HF_CS64_SHIFT) & 1; #endif - dc->flags =3D flags; dc->jmp_opt =3D !(dc->tf || dc->base.singlestep_enabled || (flags & HF_INHIBIT_IRQ_MASK)); /* Do not optimize repz jumps at all in icount mode, because @@ -8505,11 +8513,6 @@ static void i386_tr_init_disas_context(DisasContextB= ase *dcbase, CPUState *cpu) additional step for ecx=3D0 when icount is enabled. */ dc->repz_opt =3D !dc->jmp_opt && !(tb_cflags(dc->base.tb) & CF_USE_ICO= UNT); -#if 0 - /* check addseg logic */ - if (!dc->addseg && (dc->vm86 || !dc->pe || !dc->code32)) - printf("ERROR addseg\n"); -#endif =20 dc->T0 =3D tcg_temp_new(); dc->T1 =3D tcg_temp_new(); --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005705; cv=none; d=zohomail.com; s=zohoarc; b=GfNkF6p/cKQo/8IWsHmpJEW27XTCQpc0Xbei9ybCxQqDlzhxoy+3oWVP6Nz2TjP4yU5aX9co7cw6cU5MqgS/lkK1Wivl1OLz74i7ES5HsT8k09HxuBB6pZISqlwfnIVXldNaEtaXELQmMHOn5XGWvWYKGYCoV5c1ohp6unI0AGo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005705; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Fn1V2rIqKo+AsShXkwGs+Vni4KjG/t23nir0rKrZNgo=; b=mFu2kc79S0Ps16t8c+0zg5pszn9CxxWKSEp2fvMdQuX3oJQUC1ma0lUnZysxHmKO0DK7TIdjTKU886HaCMeEIrskmhoEG2Lo83YAoZpdw0FPF0OocPJwKnn5FDNIFOungGV39RyqEAXvFqVhnPHPBdzQnE0Jis/Q3BsbixkWKxY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005705041742.6681637062109; Fri, 14 May 2021 08:21:45 -0700 (PDT) Received: from localhost ([::1]:37374 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZdH-0003hj-Kr for importer@patchew.org; Fri, 14 May 2021 11:21:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36602) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVh-0005H6-Hf for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:53 -0400 Received: from mail-qt1-x82d.google.com ([2607:f8b0:4864:20::82d]:42574) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVf-0006vq-NQ for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:53 -0400 Received: by mail-qt1-x82d.google.com with SMTP id k10so8880447qtp.9 for ; Fri, 14 May 2021 08:13:51 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Fn1V2rIqKo+AsShXkwGs+Vni4KjG/t23nir0rKrZNgo=; b=RpFy+3atE6tSdPCpoJkTAAROsZkRA/FzCuJ5WcBrXzj0o/MeWrbT7e5F28KvAYY612 dGy8B+kAOb7c0VilH8Lkc3xuNGZ5DW2ANNhGQiX+/xLnEgXPN66GOy2ZBKibMzu4r3m/ FeX+0S9RcFUsJs7gAlOxQ9j2KSBVCF5i1MgyM8myMznDEzfZVbieQUb5Gez7A9EhSxK6 B2n/n5C6FcoU1Ux939bBu3XsoicPyNpr+x7zmgCi/ivKYT0rc6ovgNTcgm1hm4PIe002 x3wpvPR6UG9WJgKcKHajTv+vxv/u3Iwk+KdA2npYRIMOx9C178WDe5k2cT+gKZTyiJQo WkGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Fn1V2rIqKo+AsShXkwGs+Vni4KjG/t23nir0rKrZNgo=; b=pQNMNVcxbxKKVByREtGAHO6eepoKTnN9vJ4FK/YyKCz4Bd7U54yesANKcFhyyLnmnp Yl3r7ZAVDlRISBqaR+7NpmUEk6jUaIX6iHkPxpa7TfwDwimm7/m4Ei7BswGdZvZ7PhKa Nq6+T3deKsCbjJ9BxpnWQF/9sE85Dy6OYeFhsU+4Qvj/P16LtwFUScPfcLtetXuzdm6X K6PsaL9UC14p9TbFjuFZT4bHq5U6t773Bgoe+pnMW5EbLHgfk/WAJgBwVI+Xa4N4FEys Xc1eWBCeoIeBqxLnDL0hxzCifYoWtnGXC0JefnDTb7sOx1rftGUGqWWk1qp9CCaNj7JD 3VNA== X-Gm-Message-State: AOAM533PgQFGKOnjhVHmxzf9fVDYkVdgv1QlPtc7ZDpFMoVHaL8kbija AsnXdtKjohZ+69XAgQhEAKnmhzjCGpRadfTLtW0= X-Google-Smtp-Source: ABdhPJxPErOj9o49oltCbh70Gg/X+brhFS9wkRnJYzqwxsVn3Cul2lq2G6+1xExjMdFAnq8bKbk4hg== X-Received: by 2002:a05:622a:40b:: with SMTP id n11mr43152251qtx.167.1621005230806; Fri, 14 May 2021 08:13:50 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 07/50] target/i386: Assert CPL is 3 for user-only Date: Fri, 14 May 2021 10:12:59 -0500 Message-Id: <20210514151342.384376-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82d; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" A user-mode executable always runs in ring 3. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 7f3993fccb..4c9194416d 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -94,6 +94,11 @@ typedef struct DisasContext { target_ulong pc; /* pc =3D eip + cs_base */ /* current block context */ target_ulong cs_base; /* base of CS segment */ + +#ifndef CONFIG_USER_ONLY + uint8_t cpl; /* code priv level */ +#endif + int code32; /* 32 bit code segment */ #ifdef TARGET_X86_64 int lma; /* long mode active */ @@ -111,7 +116,6 @@ typedef struct DisasContext { int addseg; /* non zero if either DS/ES/SS have a non zero base */ int f_st; /* currently unused */ int vm86; /* vm86 mode */ - int cpl; int iopl; int tf; /* TF cpu flag */ int jmp_opt; /* use direct block chaining for direct jumps */ @@ -148,8 +152,10 @@ typedef struct DisasContext { /* The environment in which user-only runs is constrained. */ #ifdef CONFIG_USER_ONLY #define PE(S) true +#define CPL(S) 3 #else #define PE(S) (((S)->flags & HF_PE_MASK) !=3D 0) +#define CPL(S) ((S)->cpl) #endif =20 static void gen_eob(DisasContext *s); @@ -623,7 +629,7 @@ static void gen_check_io(DisasContext *s, MemOp ot, tar= get_ulong cur_eip, { target_ulong next_eip; =20 - if (PE(s) && (s->cpl > s->iopl || s->vm86)) { + if (PE(s) && (CPL(s) > s->iopl || s->vm86)) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); switch (ot) { case MO_8: @@ -1291,7 +1297,7 @@ static void gen_exception_gpf(DisasContext *s) /* Check for cpl =3D=3D 0; if not, raise #GP and return false. */ static bool check_cpl0(DisasContext *s) { - if (s->cpl =3D=3D 0) { + if (CPL(s) =3D=3D 0) { return true; } gen_exception_gpf(s); @@ -1311,7 +1317,7 @@ static bool check_vm86_iopl(DisasContext *s) /* Check for iopl allowing access; if not, raise #GP and return false. */ static bool check_iopl(DisasContext *s) { - if (s->vm86 ? s->iopl =3D=3D 3 : s->cpl <=3D s->iopl) { + if (s->vm86 ? s->iopl =3D=3D 3 : CPL(s) <=3D s->iopl) { return true; } gen_exception_gpf(s); @@ -6735,7 +6741,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF); if (check_vm86_iopl(s)) { ot =3D gen_pop_T0(s); - if (s->cpl =3D=3D 0) { + if (CPL(s) =3D=3D 0) { if (dflag !=3D MO_16) { gen_helper_write_eflags(cpu_env, s->T0, tcg_const_i32((TF_MASK | AC_MA= SK | @@ -6750,7 +6756,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) & 0xffff)); } } else { - if (s->cpl <=3D s->iopl) { + if (CPL(s) <=3D s->iopl) { if (dflag !=3D MO_16) { gen_helper_write_eflags(cpu_env, s->T0, tcg_const_i32((TF_MASK | @@ -7380,7 +7386,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xc8: /* monitor */ - if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || s->cpl != =3D 0) { + if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || CPL(s) != =3D 0) { goto illegal_op; } gen_update_cc_op(s); @@ -7392,7 +7398,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xc9: /* mwait */ - if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || s->cpl != =3D 0) { + if (!(s->cpuid_ext_features & CPUID_EXT_MONITOR) || CPL(s) != =3D 0) { goto illegal_op; } gen_update_cc_op(s); @@ -7403,7 +7409,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 case 0xca: /* clac */ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_SMAP) - || s->cpl !=3D 0) { + || CPL(s) !=3D 0) { goto illegal_op; } gen_helper_clac(cpu_env); @@ -7413,7 +7419,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 case 0xcb: /* stac */ if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_SMAP) - || s->cpl !=3D 0) { + || CPL(s) !=3D 0) { goto illegal_op; } gen_helper_stac(cpu_env); @@ -8467,19 +8473,23 @@ static void i386_tr_init_disas_context(DisasContext= Base *dcbase, CPUState *cpu) DisasContext *dc =3D container_of(dcbase, DisasContext, base); CPUX86State *env =3D cpu->env_ptr; uint32_t flags =3D dc->base.tb->flags; + int cpl =3D (flags >> HF_CPL_SHIFT) & 3; =20 dc->cs_base =3D dc->base.tb->cs_base; dc->flags =3D flags; +#ifndef CONFIG_USER_ONLY + dc->cpl =3D cpl; +#endif =20 /* We make some simplifying assumptions; validate they're correct. */ g_assert(PE(dc) =3D=3D ((flags & HF_PE_MASK) !=3D 0)); + g_assert(CPL(dc) =3D=3D cpl); =20 dc->code32 =3D (flags >> HF_CS32_SHIFT) & 1; dc->ss32 =3D (flags >> HF_SS32_SHIFT) & 1; dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; dc->f_st =3D 0; dc->vm86 =3D (flags >> VM_SHIFT) & 1; - dc->cpl =3D (flags >> HF_CPL_SHIFT) & 3; dc->iopl =3D (flags >> IOPL_SHIFT) & 3; dc->tf =3D (flags >> TF_SHIFT) & 1; dc->cc_op =3D CC_OP_DYNAMIC; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005525; cv=none; d=zohomail.com; s=zohoarc; b=Tp9r8Om/69radoZ190aa1lpDkkixfjtm5atXd67xE8W5+tu9AKhxjDU/cKnbL78m2o/5CsE9vSUfqa2bBO+16Zob/gYhd3c+7bdW+ToL0LtPWxO5gEhWgwTVCpyCVVzwOlCOSNImoJZDH26LbzyqFAYgcMvDufxhhAG0nu+DNHw= ARC-Message-Signature: i=1; a=rsa-sha256; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XKYfFLEffBrRwaljjutt4CMlgCI7skOLlv7RHSb8vdo=; b=mjn1QQyeO3z+uTKERoc/Duu3MXu1xlK1st2eDoLX5ify4D9dPjMccED3RbT2QP7sxz FDfL0UBpBpzHAPUQiKil56Ybsa3Uzg13x4TcepXps+iZRDgB8P8Eq4vsDPyaEjeoMVxC xvrG0MpzI7YhRCvPnM7zrKa8Ti3Y0nqLMFOTICA/d+q6KtJKrudEvNl4Z+maXozyjeXX CFkMLBkIf7K+KLO2725H5Ax6j/+Hn5bSY3izXN11W50cTgNjTue55CbpFzYpW6SxhHSV zSd6A6glTqIcm8EpTFEQOpOx7+8tXrIRKfqGZpjmHrHI4DPMBWt1sFus9OUuWHnPHlA5 9S+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=XKYfFLEffBrRwaljjutt4CMlgCI7skOLlv7RHSb8vdo=; b=ahuoYeLBFa3aWKEnOFKd4wAV0F+jBIF3gVmGiHpvT34SPtk/yNVP+sxW0CFD0ujM3a fj6BoQNOGu1jdSGyZfQcY+EPvw8JCbFZBKE5iyjEEBiJWC3JoLNq1aofEkHO7bcyQwVi b+sD5KznnXO17P5tgxcaBgfmltQE7jN7UEos0c1eydAz9DyxWmk5DSJRqBjbZMYI2URY pkzA3ViLOM6X7c7jzxHFspOAr7u43o2sZM0jTZnipy6q9lQFZWmSNUGkwTjV3SZUbU38 fduGpdhUI4X9M/fMbmA96vG77tJcH1DZJghsxQHK3Hz123vCzPkEl111eXadcFUUbbSM s6IQ== X-Gm-Message-State: AOAM533ZpOGoYQTa0hxnaRcDtdO+M9feV5OLjRg3qdXz86ymjcmciGnf MDnvZTcZF6fJSuNX5J/hYoucVz6RhyOOCjKqX5c= X-Google-Smtp-Source: ABdhPJyfq6j7LV/8CIxTDVzfLTuRwBX7IbUW5eaZxnfm3OJtIL0n1TEmHLCUKCRCLi7Gyf2/gb5dpQ== X-Received: by 2002:a0c:8501:: with SMTP id n1mr7221767qva.9.1621005231755; Fri, 14 May 2021 08:13:51 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 08/50] target/i386: Assert IOPL is 0 for user-only Date: Fri, 14 May 2021 10:13:00 -0500 Message-Id: <20210514151342.384376-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::f33; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf33.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" On real hardware, the linux kernel has the iopl(2) syscall which can set IOPL to 3, to allow e.g. the xserver to briefly disable interrupts while programming the graphics card. However, QEMU cannot and does not implement this syscall, so the IOPL is never changed from 0. Which means that all of the checks vs CPL <=3D IOPL are false for user-only. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 4c9194416d..b8cb7163ee 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -97,6 +97,7 @@ typedef struct DisasContext { =20 #ifndef CONFIG_USER_ONLY uint8_t cpl; /* code priv level */ + uint8_t iopl; /* i/o priv level */ #endif =20 int code32; /* 32 bit code segment */ @@ -116,7 +117,6 @@ typedef struct DisasContext { int addseg; /* non zero if either DS/ES/SS have a non zero base */ int f_st; /* currently unused */ int vm86; /* vm86 mode */ - int iopl; int tf; /* TF cpu flag */ int jmp_opt; /* use direct block chaining for direct jumps */ int repz_opt; /* optimize jumps within repz instructions */ @@ -153,9 +153,11 @@ typedef struct DisasContext { #ifdef CONFIG_USER_ONLY #define PE(S) true #define CPL(S) 3 +#define IOPL(S) 0 #else #define PE(S) (((S)->flags & HF_PE_MASK) !=3D 0) #define CPL(S) ((S)->cpl) +#define IOPL(S) ((S)->iopl) #endif =20 static void gen_eob(DisasContext *s); @@ -629,7 +631,7 @@ static void gen_check_io(DisasContext *s, MemOp ot, tar= get_ulong cur_eip, { target_ulong next_eip; =20 - if (PE(s) && (CPL(s) > s->iopl || s->vm86)) { + if (PE(s) && (CPL(s) > IOPL(s) || s->vm86)) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); switch (ot) { case MO_8: @@ -1307,7 +1309,7 @@ static bool check_cpl0(DisasContext *s) /* If vm86, check for iopl =3D=3D 3; if not, raise #GP and return false. */ static bool check_vm86_iopl(DisasContext *s) { - if (!s->vm86 || s->iopl =3D=3D 3) { + if (!s->vm86 || IOPL(s) =3D=3D 3) { return true; } gen_exception_gpf(s); @@ -1317,7 +1319,7 @@ static bool check_vm86_iopl(DisasContext *s) /* Check for iopl allowing access; if not, raise #GP and return false. */ static bool check_iopl(DisasContext *s) { - if (s->vm86 ? s->iopl =3D=3D 3 : CPL(s) <=3D s->iopl) { + if (s->vm86 ? IOPL(s) =3D=3D 3 : CPL(s) <=3D IOPL(s)) { return true; } gen_exception_gpf(s); @@ -6756,7 +6758,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) & 0xffff)); } } else { - if (CPL(s) <=3D s->iopl) { + if (CPL(s) <=3D IOPL(s)) { if (dflag !=3D MO_16) { gen_helper_write_eflags(cpu_env, s->T0, tcg_const_i32((TF_MASK | @@ -8474,23 +8476,25 @@ static void i386_tr_init_disas_context(DisasContext= Base *dcbase, CPUState *cpu) CPUX86State *env =3D cpu->env_ptr; uint32_t flags =3D dc->base.tb->flags; int cpl =3D (flags >> HF_CPL_SHIFT) & 3; + int iopl =3D (flags >> IOPL_SHIFT) & 3; =20 dc->cs_base =3D dc->base.tb->cs_base; dc->flags =3D flags; #ifndef CONFIG_USER_ONLY dc->cpl =3D cpl; + dc->iopl =3D iopl; #endif =20 /* We make some simplifying assumptions; validate they're correct. */ g_assert(PE(dc) =3D=3D ((flags & HF_PE_MASK) !=3D 0)); g_assert(CPL(dc) =3D=3D cpl); + g_assert(IOPL(dc) =3D=3D iopl); =20 dc->code32 =3D (flags >> HF_CS32_SHIFT) & 1; dc->ss32 =3D (flags >> HF_SS32_SHIFT) & 1; dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; dc->f_st =3D 0; dc->vm86 =3D (flags >> VM_SHIFT) & 1; - dc->iopl =3D (flags >> IOPL_SHIFT) & 3; dc->tf =3D (flags >> TF_SHIFT) & 1; dc->cc_op =3D CC_OP_DYNAMIC; dc->cc_op_dirty =3D false; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005825; cv=none; d=zohomail.com; s=zohoarc; b=ShnT1gUFTP3CdhCqz5eiMG46zyPta0i1I/10G+f6RoqMKPqysWKHrjQg2iGyl9vXST0OtvFYfTYlXFU3u6GMlbEk3Pzn9xdCc/s7EE1PaGAc4nJVBS2eTRUVJCcEEEWAYF0z4tkio30o6hU365JEs/p0V85tTE6fT+KypRXIrIg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005825; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hozQ21JGwazA2KWTCImKAxUJeNyoRNCUBYOeexjeG7w=; b=eLZCP4WotLJTSkFz7WCWwY5ExeOC9zPJazwUx6JhF7zr6pJm1vybqroTz46FdI2Lh8dKBKLCXa+oY5PHYCUvK4qLBCAc952tzzGqwzVO2bimcCP/inUh0nqcbg2rbsIYZM00IkC/6x9TGjuliFg9L3DfQ6H2oULIlmekiFQQe1w= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005825235318.20463857100765; Fri, 14 May 2021 08:23:45 -0700 (PDT) Received: from localhost ([::1]:45940 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZfD-0000zR-I6 for importer@patchew.org; Fri, 14 May 2021 11:23:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36640) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVj-0005Ph-JZ for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:55 -0400 Received: from mail-qv1-xf2a.google.com ([2607:f8b0:4864:20::f2a]:34445) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVh-0006xC-HY for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:55 -0400 Received: by mail-qv1-xf2a.google.com with SMTP id o59so2379314qva.1 for ; Fri, 14 May 2021 08:13:53 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hozQ21JGwazA2KWTCImKAxUJeNyoRNCUBYOeexjeG7w=; b=D0Zx9XcPhRoDFJLgvyYdNSOwODtgLic/U9cG8fDoboct/KruPQ/pLYg2sNSG6Bn/cm tBverP577vc0o0s1nzjCKuAaq2RVhbXEV6UxWC5Ck6YNO3ivwHXFjDq0hrCg3tCNTPXV 5eOaG4DreNRvfh3NEPl7wKoySJEGQ0C9XhJ1Nk6NjTC8rL4Vl+JSuFcJSiKsJhpPgLqb /eRe7uWpohGaZfbyvy/oN5MeaYzys85F6TMUzwLzbKOmo93dmjPq4Nf4RZStIYMGowgC 7nREQqNULshvNAZv0+UrLh1eHJgKOV/oJn+2oF1Vgzk33vPriD2EwVuzApPZaf6aCE9o 86nQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=hozQ21JGwazA2KWTCImKAxUJeNyoRNCUBYOeexjeG7w=; b=k47jabNbQM/VGpOsiVY3Zt1dA1gHIgjyEATRdLjW2BJmhqn2a7rqrv3cFa02F4Jxt+ MUhmOnLX9LKm34ILj/gqJgKznhv/grBb3REswJWLz+u/MnIvlE41PNc/Rhbfh7TNlo/V fn4j9bJhk+Mc5p1e8AiEx42dngIC53g+Odu/XkdZVONB99geEqs8YwiLv18NLUmpxArb aVcpbj/jsT3fw6rHeT4QhB1tMKJz8AWnMcIeqbjh8Vm5ZaU5tYQRvOISqWOWo2Po6IbP 7OuBXlDE1ZgZNgydkMu0vnocrgS0VTfFa+feBF5X3qAqshR4gYw0BLrZB5bN7/C0X8nX Asaw== X-Gm-Message-State: AOAM533yFI32WyySpo1QsEMasyXbL/bvOloA27CcHIxCCIHiwjWFVyX7 oiytMBjAvTmLc1xIaeSwe6bVLlBcab0Op89JhfE= X-Google-Smtp-Source: ABdhPJy+vqS3td/GRx6k9JEQF2RXFfzJjAUV0NtycQZpgket4ZfI6nz9bNRHVjDGpdvk2G5n9zOtfg== X-Received: by 2002:a0c:ef53:: with SMTP id t19mr47382859qvs.48.1621005232679; Fri, 14 May 2021 08:13:52 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 09/50] target/i386: Assert !VM86 for x86_64 user-only Date: Fri, 14 May 2021 10:13:01 -0500 Message-Id: <20210514151342.384376-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::f2a; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf2a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" For i386-linux-user, we can enter vm86 mode via the vm86(2) syscall. That syscall explicitly returns to 32-bit mode, and the syscall does not exist for a 64-bit x86_64 executable. Since we're adding an accessor macro, pull the value directly out of flags otherwise. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 40 ++++++++++++++++++++----------------- 1 file changed, 22 insertions(+), 18 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index b8cb7163ee..27806f35f9 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -116,7 +116,6 @@ typedef struct DisasContext { #endif int addseg; /* non zero if either DS/ES/SS have a non zero base */ int f_st; /* currently unused */ - int vm86; /* vm86 mode */ int tf; /* TF cpu flag */ int jmp_opt; /* use direct block chaining for direct jumps */ int repz_opt; /* optimize jumps within repz instructions */ @@ -159,6 +158,11 @@ typedef struct DisasContext { #define CPL(S) ((S)->cpl) #define IOPL(S) ((S)->iopl) #endif +#if defined(CONFIG_USER_ONLY) && defined(TARGET_X86_64) +#define VM86(S) false +#else +#define VM86(S) (((S)->flags & HF_VM_MASK) !=3D 0) +#endif =20 static void gen_eob(DisasContext *s); static void gen_jr(DisasContext *s, TCGv dest); @@ -631,7 +635,7 @@ static void gen_check_io(DisasContext *s, MemOp ot, tar= get_ulong cur_eip, { target_ulong next_eip; =20 - if (PE(s) && (CPL(s) > IOPL(s) || s->vm86)) { + if (PE(s) && (CPL(s) > IOPL(s) || VM86(s))) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); switch (ot) { case MO_8: @@ -1309,7 +1313,7 @@ static bool check_cpl0(DisasContext *s) /* If vm86, check for iopl =3D=3D 3; if not, raise #GP and return false. */ static bool check_vm86_iopl(DisasContext *s) { - if (!s->vm86 || IOPL(s) =3D=3D 3) { + if (!VM86(s) || IOPL(s) =3D=3D 3) { return true; } gen_exception_gpf(s); @@ -1319,7 +1323,7 @@ static bool check_vm86_iopl(DisasContext *s) /* Check for iopl allowing access; if not, raise #GP and return false. */ static bool check_iopl(DisasContext *s) { - if (s->vm86 ? IOPL(s) =3D=3D 3 : CPL(s) <=3D IOPL(s)) { + if (VM86(s) ? IOPL(s) =3D=3D 3 : CPL(s) <=3D IOPL(s)) { return true; } gen_exception_gpf(s); @@ -2359,7 +2363,7 @@ static inline void gen_op_movl_seg_T0_vm(DisasContext= *s, X86Seg seg_reg) call this function with seg_reg =3D=3D R_CS */ static void gen_movl_seg_T0(DisasContext *s, X86Seg seg_reg) { - if (PE(s) && !s->vm86) { + if (PE(s) && !VM86(s)) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_load_seg(cpu_env, tcg_const_i32(seg_reg), s->tmp2_i32); /* abort translation because the addseg value may change or @@ -4615,7 +4619,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xc4: /* 3-byte VEX */ /* VEX prefixes cannot be used except in 32-bit mode. Otherwise the instruction is LES or LDS. */ - if (s->code32 && !s->vm86) { + if (s->code32 && !VM86(s)) { static const int pp_prefix[4] =3D { 0, PREFIX_DATA, PREFIX_REPZ, PREFIX_REPNZ }; @@ -5122,7 +5126,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_add_A0_im(s, 1 << ot); gen_op_ld_v(s, MO_16, s->T0, s->A0); do_lcall: - if (PE(s) && !s->vm86) { + if (PE(s) && !VM86(s)) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_lcall_protected(cpu_env, s->tmp2_i32, s->T1, tcg_const_i32(dflag - 1), @@ -5152,7 +5156,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_add_A0_im(s, 1 << ot); gen_op_ld_v(s, MO_16, s->T0, s->A0); do_ljmp: - if (PE(s) && !s->vm86) { + if (PE(s) && !VM86(s)) { tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_ljmp_protected(cpu_env, s->tmp2_i32, s->T1, tcg_const_tl(s->pc - s->cs_base)= ); @@ -6585,7 +6589,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xca: /* lret im */ val =3D x86_ldsw_code(env, s); do_lret: - if (PE(s) && !s->vm86) { + if (PE(s) && !VM86(s)) { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); gen_helper_lret_protected(cpu_env, tcg_const_i32(dflag - 1), @@ -6611,7 +6615,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto do_lret; case 0xcf: /* iret */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET); - if (!PE(s) || s->vm86) { + if (!PE(s) || VM86(s)) { /* real mode or vm86 mode */ if (!check_vm86_iopl(s)) { break; @@ -7315,7 +7319,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) op =3D (modrm >> 3) & 7; switch(op) { case 0: /* sldt */ - if (!PE(s) || s->vm86) + if (!PE(s) || VM86(s)) goto illegal_op; gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ); tcg_gen_ld32u_tl(s->T0, cpu_env, @@ -7324,7 +7328,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1); break; case 2: /* lldt */ - if (!PE(s) || s->vm86) + if (!PE(s) || VM86(s)) goto illegal_op; if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); @@ -7334,7 +7338,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) } break; case 1: /* str */ - if (!PE(s) || s->vm86) + if (!PE(s) || VM86(s)) goto illegal_op; gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ); tcg_gen_ld32u_tl(s->T0, cpu_env, @@ -7343,7 +7347,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 1); break; case 3: /* ltr */ - if (!PE(s) || s->vm86) + if (!PE(s) || VM86(s)) goto illegal_op; if (check_cpl0(s)) { gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); @@ -7354,7 +7358,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 4: /* verr */ case 5: /* verw */ - if (!PE(s) || s->vm86) + if (!PE(s) || VM86(s)) goto illegal_op; gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); gen_update_cc_op(s); @@ -7725,7 +7729,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) TCGLabel *label1; TCGv t0, t1, t2, a0; =20 - if (!PE(s) || s->vm86) + if (!PE(s) || VM86(s)) goto illegal_op; t0 =3D tcg_temp_local_new(); t1 =3D tcg_temp_local_new(); @@ -7773,7 +7777,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) { TCGLabel *label1; TCGv t0; - if (!PE(s) || s->vm86) + if (!PE(s) || VM86(s)) goto illegal_op; ot =3D dflag !=3D MO_16 ? MO_32 : MO_16; modrm =3D x86_ldub_code(env, s); @@ -8489,12 +8493,12 @@ static void i386_tr_init_disas_context(DisasContext= Base *dcbase, CPUState *cpu) g_assert(PE(dc) =3D=3D ((flags & HF_PE_MASK) !=3D 0)); g_assert(CPL(dc) =3D=3D cpl); g_assert(IOPL(dc) =3D=3D iopl); + g_assert(VM86(dc) =3D=3D ((flags & HF_VM_MASK) !=3D 0)); =20 dc->code32 =3D (flags >> HF_CS32_SHIFT) & 1; dc->ss32 =3D (flags >> HF_SS32_SHIFT) & 1; dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; dc->f_st =3D 0; - dc->vm86 =3D (flags >> VM_SHIFT) & 1; dc->tf =3D (flags >> TF_SHIFT) & 1; dc->cc_op =3D CC_OP_DYNAMIC; dc->cc_op_dirty =3D false; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005682; cv=none; d=zohomail.com; s=zohoarc; b=b+vQ/3V9e9vF0BpTE6Iz0E8noGdkDaLCH8ywtqBjv/gaqq5bLFySqVYRPZ1pC77SIZY3BTmsuPXGFX5ojpSU+DHdURk1FtNe8K+uXuNVCWvslBat77ogBPLLwpWMlV66QBAOr5mfxiRmigkhIvJZOJDUXLU/7WccxN4NSYgb1iA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005682; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Am14AxV+KQh4bHEznp653AdoYsyeLiCdw25zID82iYg=; b=Jhjlwji0KXIgBDqbriCfP1VL2aAP8SYKPTRfKF0/0HqXlIpiW9246Pd0lBjcR1QSk/g3yiQi2SlEt2raP5yD4R4FDYt+2+0sxil30AF+6Kyw/mIifvh/9TnQVriNeWTR1p2hLYwX0PTFMIsCEVRbCeIsgDG/5etCEpxfFV7Lfq8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005682214877.2222586031089; Fri, 14 May 2021 08:21:22 -0700 (PDT) Received: from localhost ([::1]:36640 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZcu-0003E1-Il for importer@patchew.org; Fri, 14 May 2021 11:21:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36656) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVk-0005SL-6v for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:56 -0400 Received: from mail-qt1-x82d.google.com ([2607:f8b0:4864:20::82d]:41571) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVi-0006xg-EN for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:55 -0400 Received: by mail-qt1-x82d.google.com with SMTP id t20so18136070qtx.8 for ; Fri, 14 May 2021 08:13:54 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Am14AxV+KQh4bHEznp653AdoYsyeLiCdw25zID82iYg=; b=M/WtbCGsjZ7eKzLS0Or7lxiSHG4Bso5o+eyvWP1gGoFFa8Iql9ir8nQVHg0fZ88ycr lYAVmq9cibnO3VuG+fciD11qWLXrgwNC61V1E62R8MaEhJhuA3goe5+GdY3IvKCd8gmf L8k/AgpGVmqRDV2TTWgLyljU58w+gwb3eIMM3sYnoNrWe3Wrce9o9efBHWwQMxBz+GCW kXTV9xawyTX9ELTfX+zFwZ+yrX5PtzxX3br8DcdvKTAS/hjK+JkHB46weO1n41ygRbRt Z6IesF7bBXjFjinaSsL5ZpUEPboafWaWZFCiceNLuw4Pel/+wjMawSUyi0340eA4a+HG jSbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Am14AxV+KQh4bHEznp653AdoYsyeLiCdw25zID82iYg=; b=b5hcSM19cGF6tvmsiYDeasvHNVuRoRGvJAWEtL/tfeZhQa0U2ijUsGLcAY53WqdjQ/ BksZiNVRqi3KvC3vw2Z9pEUhUR5sVJD8Em4toK0yeQgF9kP38NG/QC9cVPfZXzRdL7fE BnF4GWU8hm4qX7gS08AHn8CZ6t5u0aXDz6TO/wnFsk2k5HuadTwvzwg4ahJBjXyhJ7U2 NL6D1qNt0wnsgeV+c6PajWgJ2MsK03jnudoTitDSesArf7/CbYaUbmLLyECfB5a9xYEJ 7gxD6vYGpHZaugnBpssj3R37Epv3H92bqRnARqtTPnE4wS+dbxHrdy+WAD4rFf5xuyk0 tBxA== X-Gm-Message-State: AOAM531MkSiW7a065Qxly68JnP3YV3okYse1rEfxueFhl9yZ5CD3wySO D4zRP0XgeuUPNFTeX3cJOIq3fqy+/6/p/KTH468= X-Google-Smtp-Source: ABdhPJyHNVAYh96acyStPpYryb2L0F1ERsl0zsVFiKLJJet/9QHXr5pgWteLhNcz+/fHturPMLHVIw== X-Received: by 2002:ac8:5d10:: with SMTP id f16mr42752117qtx.123.1621005233581; Fri, 14 May 2021 08:13:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 10/50] target/i386: Assert CODE32 for x86_64 user-only Date: Fri, 14 May 2021 10:13:02 -0500 Message-Id: <20210514151342.384376-11-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82d; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" For user-only, CODE32 =3D=3D !VM86, because we are never in real-mode. Since we cannot enter vm86 mode for x86_64 user-only, CODE32 is always set. Since we're adding an accessor macro, pull the value directly out of flags otherwise. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 27806f35f9..b570921410 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -100,7 +100,6 @@ typedef struct DisasContext { uint8_t iopl; /* i/o priv level */ #endif =20 - int code32; /* 32 bit code segment */ #ifdef TARGET_X86_64 int lma; /* long mode active */ int code64; /* 64 bit code segment */ @@ -160,8 +159,10 @@ typedef struct DisasContext { #endif #if defined(CONFIG_USER_ONLY) && defined(TARGET_X86_64) #define VM86(S) false +#define CODE32(S) true #else #define VM86(S) (((S)->flags & HF_VM_MASK) !=3D 0) +#define CODE32(S) (((S)->flags & HF_CS32_MASK) !=3D 0) #endif =20 static void gen_eob(DisasContext *s); @@ -2370,7 +2371,7 @@ static void gen_movl_seg_T0(DisasContext *s, X86Seg s= eg_reg) because ss32 may change. For R_SS, translation must always stop as a special handling must be done to disable hardware interrupts for the next instruction */ - if (seg_reg =3D=3D R_SS || (s->code32 && seg_reg < R_FS)) { + if (seg_reg =3D=3D R_SS || (CODE32(s) && seg_reg < R_FS)) { s->base.is_jmp =3D DISAS_TOO_MANY; } } else { @@ -4619,7 +4620,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xc4: /* 3-byte VEX */ /* VEX prefixes cannot be used except in 32-bit mode. Otherwise the instruction is LES or LDS. */ - if (s->code32 && !VM86(s)) { + if (CODE32(s) && !VM86(s)) { static const int pp_prefix[4] =3D { 0, PREFIX_DATA, PREFIX_REPZ, PREFIX_REPNZ }; @@ -4686,13 +4687,13 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) aflag =3D (prefixes & PREFIX_ADR ? MO_32 : MO_64); } else { /* In 16/32-bit mode, 0x66 selects the opposite data size. */ - if (s->code32 ^ ((prefixes & PREFIX_DATA) !=3D 0)) { + if (CODE32(s) ^ ((prefixes & PREFIX_DATA) !=3D 0)) { dflag =3D MO_32; } else { dflag =3D MO_16; } /* In 16/32-bit mode, 0x67 selects the opposite addressing. */ - if (s->code32 ^ ((prefixes & PREFIX_ADR) !=3D 0)) { + if (CODE32(s) ^ ((prefixes & PREFIX_ADR) !=3D 0)) { aflag =3D MO_32; } else { aflag =3D MO_16; @@ -8494,8 +8495,8 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(CPL(dc) =3D=3D cpl); g_assert(IOPL(dc) =3D=3D iopl); g_assert(VM86(dc) =3D=3D ((flags & HF_VM_MASK) !=3D 0)); + g_assert(CODE32(dc) =3D=3D ((flags & HF_CS32_MASK) !=3D 0)); =20 - dc->code32 =3D (flags >> HF_CS32_SHIFT) & 1; dc->ss32 =3D (flags >> HF_SS32_SHIFT) & 1; dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; dc->f_st =3D 0; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005679; cv=none; d=zohomail.com; s=zohoarc; b=UwyepKusggmPImFxJc2h6A7pfiKatTlFEIxdI6ZX9vXh/XxJs1TLxuR8RDXztNBWzuw0nXNZxdlvNhAhSRCFO7ZF3xF4fYHd8ApMIpZcYKFmpz8JKlHPdoEFe9sfEcDVGI1XFIHTQnwmiiuiLrdmmge2+L50QS4p3H0P9KwwR4U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005679; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=53VSGDilcCOmb1LoxSKsg+aenS/sWLsgrSIWT3KvKvU=; b=jnN1IUqjxi+/iFtLGSks8j9WcCYID1k/fiX4ddChq/RbRGoOJYgaPyaTA9R1gsZzipW4t9hUtJJ9L+xpJZhQTu76TMXjbDMztXhqX1XBGcInB0ThjV8qzcdTIg0zpXCCquFfQdvQYtM/5ooBgk+vZSZI+7UICz66XO4X/E7ltW8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005679249440.349512835517; Fri, 14 May 2021 08:21:19 -0700 (PDT) Received: from localhost ([::1]:36368 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZcr-00033K-No for importer@patchew.org; Fri, 14 May 2021 11:21:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36670) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVl-0005WL-5F for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:57 -0400 Received: from mail-qk1-x732.google.com ([2607:f8b0:4864:20::732]:46990) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVj-0006xt-Af for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:56 -0400 Received: by mail-qk1-x732.google.com with SMTP id 76so28989804qkn.13 for ; Fri, 14 May 2021 08:13:54 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=53VSGDilcCOmb1LoxSKsg+aenS/sWLsgrSIWT3KvKvU=; b=Xq1u1fy2F0mkZn3NTG0DP/uLWqM3jQ4e6qzjPYZGrkOM/R7rZ1wBuZjT2qU2Wi92eU G+W85Uw5TX+2aKPJnZjx2Rq5iWMlzKYm31xDNJGz/6iU7QLek9MDLafFJooK1VaTDxbI 3pjs4Vm8P4f0MbffGd+jlmEgkUDQBBBYmKpLEV1Bu01Px8e05Drwx5dBYS3KWhk4T7i5 eq8KdIx3+JKdSydAfs3i7O/y9rRI7uwHl9uuNj+RQbrctyhOtGVXqP80Z94nUxwqAVpa Pm4nNtxq7ZML2JUFYphjqPxjMmDTKzP0drW0Eb38uuylOftD6+aSI8NoaHGUJp9C6hAt dfWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=53VSGDilcCOmb1LoxSKsg+aenS/sWLsgrSIWT3KvKvU=; b=ZXamgGKstutFDzdBkWvs+tN62h0YpqNkZZmsBPNI07iJ1hT5BdbdOAQ0ID8r/60hJh ZQdXxd1omC3TYZDEyQlfqnB8G5WhMt8MA2qMuuQcC02G2eJwaf8H9y5RRmTZXdQJ/ies 0P+Di5RhOzBlVCCS5cAeobIuZa0rwrBUE3mFh785HY1Go9FdnfNi28zFmJaevntoHQgm Lx/575/zT4UpX5LTeEGLZldR355n4Xd6fdBCl9j5N1bT22+uGSfF2mfxssOTqeOJ8d4D D4Lptr1MveeBm+ec+ny+AfkiRjce5zMH48+LXNOtNkD8hm7FzxOFe2gmisPkJ9SnR4ui 3PZA== X-Gm-Message-State: AOAM531SOzZwnfXewPVqLxAUK07UP4pOinI1zEmT2xwG4G0g4+/AfQ8O x5nbZT0mD1BBmuRVX7JGRDPhB4Yoii/ENO2ERdQ= X-Google-Smtp-Source: ABdhPJw4naxbuVT6EmWb8i9U2XxifpHfv+lEO6a8Tjk7s/KKorWsxOQYgx/Jrfzz4uqUo1cDIP/bpQ== X-Received: by 2002:a37:f604:: with SMTP id y4mr24346323qkj.207.1621005234436; Fri, 14 May 2021 08:13:54 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 11/50] target/i386: Assert SS32 for x86_64 user-only Date: Fri, 14 May 2021 10:13:03 -0500 Message-Id: <20210514151342.384376-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::732; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x732.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" For user-only, SS32 =3D=3D !VM86, because we are never in real-mode. Since we cannot enter vm86 mode for x86_64 user-only, SS32 is always set. Since we're adding an accessor macro, pull the value directly out of flags otherwise. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index b570921410..7b5031f647 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -107,7 +107,6 @@ typedef struct DisasContext { #endif int vex_l; /* vex vector length */ int vex_v; /* vex vvvv register, without 1's complement. */ - int ss32; /* 32 bit stack segment */ CCOp cc_op; /* current CC operation */ bool cc_op_dirty; #ifdef TARGET_X86_64 @@ -160,9 +159,11 @@ typedef struct DisasContext { #if defined(CONFIG_USER_ONLY) && defined(TARGET_X86_64) #define VM86(S) false #define CODE32(S) true +#define SS32(S) true #else #define VM86(S) (((S)->flags & HF_VM_MASK) !=3D 0) #define CODE32(S) (((S)->flags & HF_CS32_MASK) !=3D 0) +#define SS32(S) (((S)->flags & HF_SS32_MASK) !=3D 0) #endif =20 static void gen_eob(DisasContext *s); @@ -352,7 +353,7 @@ static inline MemOp mo_pushpop(DisasContext *s, MemOp o= t) /* Select the size of the stack pointer. */ static inline MemOp mo_stacksize(DisasContext *s) { - return CODE64(s) ? MO_64 : s->ss32 ? MO_32 : MO_16; + return CODE64(s) ? MO_64 : SS32(s) ? MO_32 : MO_16; } =20 /* Select only size 64 else 32. Used for SSE operand sizes. */ @@ -2451,12 +2452,12 @@ static inline void gen_pop_update(DisasContext *s, = MemOp ot) =20 static inline void gen_stack_A0(DisasContext *s) { - gen_lea_v_seg(s, s->ss32 ? MO_32 : MO_16, cpu_regs[R_ESP], R_SS, -1); + gen_lea_v_seg(s, SS32(s) ? MO_32 : MO_16, cpu_regs[R_ESP], R_SS, -1); } =20 static void gen_pusha(DisasContext *s) { - MemOp s_ot =3D s->ss32 ? MO_32 : MO_16; + MemOp s_ot =3D SS32(s) ? MO_32 : MO_16; MemOp d_ot =3D s->dflag; int size =3D 1 << d_ot; int i; @@ -2472,7 +2473,7 @@ static void gen_pusha(DisasContext *s) =20 static void gen_popa(DisasContext *s) { - MemOp s_ot =3D s->ss32 ? MO_32 : MO_16; + MemOp s_ot =3D SS32(s) ? MO_32 : MO_16; MemOp d_ot =3D s->dflag; int size =3D 1 << d_ot; int i; @@ -2494,7 +2495,7 @@ static void gen_popa(DisasContext *s) static void gen_enter(DisasContext *s, int esp_addend, int level) { MemOp d_ot =3D mo_pushpop(s, s->dflag); - MemOp a_ot =3D CODE64(s) ? MO_64 : s->ss32 ? MO_32 : MO_16; + MemOp a_ot =3D CODE64(s) ? MO_64 : SS32(s) ? MO_32 : MO_16; int size =3D 1 << d_ot; =20 /* Push BP; compute FrameTemp into T1. */ @@ -8496,8 +8497,8 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(IOPL(dc) =3D=3D iopl); g_assert(VM86(dc) =3D=3D ((flags & HF_VM_MASK) !=3D 0)); g_assert(CODE32(dc) =3D=3D ((flags & HF_CS32_MASK) !=3D 0)); + g_assert(SS32(dc) =3D=3D ((flags & HF_SS32_MASK) !=3D 0)); =20 - dc->ss32 =3D (flags >> HF_SS32_SHIFT) & 1; dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; dc->f_st =3D 0; dc->tf =3D (flags >> TF_SHIFT) & 1; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005816; cv=none; d=zohomail.com; s=zohoarc; b=gB0yCiCQqkYdIysF8Vb+azYM4oong0IxbZrZfVOt6bSQROig2qxl1YS0YsvsGcFzEyfwvb9qmZo1iMM/I18zDe9jvvgE7tJIJeTUi+NRB1fTC9Frq/8rrjbp2VFv8QHErq3Y7YZRY2i9/rXC61ASlKz+6BLG42nwg0iMfu8PPmE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005816; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=uGy85OrDgVnauK85Xs6cOcVQ3zxe/WtnhuNWmWoCY8U=; b=ffG3v8iEBTysVD8fqS60rVtbBoW4cuD8qsxb9+7x7LpEhqcBqTYqrX3Tv3d0dMz3djRdVqnaC9b+EKkS7cy6JFNEQxkgL2E1tD23OBdzKABVwcL6gQ0US0aKk1x5NzFRmHeMzQcPjMg46QTHlBjN76j7fsvjuapwY+Yo2vLEinI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005816330384.83913219611964; Fri, 14 May 2021 08:23:36 -0700 (PDT) Received: from localhost ([::1]:45630 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZf4-0000n1-PV for importer@patchew.org; Fri, 14 May 2021 11:23:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36712) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVn-0005gA-D6 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:59 -0400 Received: from mail-qk1-x72d.google.com ([2607:f8b0:4864:20::72d]:40954) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVk-0006yb-76 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:59 -0400 Received: by mail-qk1-x72d.google.com with SMTP id f18so7152577qko.7 for ; Fri, 14 May 2021 08:13:55 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=uGy85OrDgVnauK85Xs6cOcVQ3zxe/WtnhuNWmWoCY8U=; b=xTfSTNUmwQj0DAWNVSw3QP0+gNNw7K00Uj86kzsy9GYzPtytB5X/EEkyUJHxqx1iJc Bns9aQskwrW0YlqA0Px5rVa1ix3RMNK3AYLt8dWIWbkUjAoqE/ADi8VCrM1A7+07yPua BgddC8U2ciQMqd5Sdn8CEZzpU0vxZhdjzXyE/fFh5CxH0qxkKiP4ScBo00Y9LsoaK1h1 quJRQIg3g4aYuaoHC4hGdHPYbjbKte3wdqtEjEl1F0HcpzvQHhNqBBRMrfbd5kfeZNfL AyRdy6xEvBUxImPXq/RPGrGlNcHY3lH2ysnJyeD5B6Ocs2zbTgCdN2bHTLfZfd2XVbB2 b1Nw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=uGy85OrDgVnauK85Xs6cOcVQ3zxe/WtnhuNWmWoCY8U=; b=mc/ef/EKB5bacKQ/Rp+M8IZqi0JRmnRyw/tSo9kivHTeuC9KhqupVOOfmqAcOJ8DSS kfGKyFypvv+kObz/2/qc8+gFx+vI0r/0BZwkuzlKkBYhwmo1gzZYbu0IuiKwLm7FfDxn NPUpBIxJMeBNHscd/o4vHRDCFWcfqTJz2JxQ4q8fKwXUESgmeuwoeTZP/q5AC7fqOYeB K9AS4LbrB8ZA9aEOMRL9xaMggfCgIA+l0GPkowAfIceJU0oPknhvCdz9NTZJSNxIvXso 9Yjkdbw2xgQSXbvKUxomCdFe0hmNth2CUIB3cw5gOcnpAdBmxKbpvqJ7umEN5Rjn8Zyk w1jQ== X-Gm-Message-State: AOAM53311ttl+cNGQbTr8vcpUgY4U+cPZuHz2n84oER5jSAI4b0TS/JZ xmz9qZddFuO1KrVeH7Qzjk/PlMAkG6Hu2gaVq4I= X-Google-Smtp-Source: ABdhPJwpqctZolIB29epTW2tf8hF9lb1oKz2SUHhrkncnC+OPEmCRcyYSGTflplvdfuuzVkli71fCA== X-Received: by 2002:a05:620a:675:: with SMTP id a21mr12404053qkh.333.1621005235319; Fri, 14 May 2021 08:13:55 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 12/50] target/i386: Assert CODE64 for x86_64 user-only Date: Fri, 14 May 2021 10:13:04 -0500 Message-Id: <20210514151342.384376-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::72d; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" For x86_64 user-only, there is no way to leave 64-bit mode. Without x86_64, there is no way to enter 64-bit mode. There is an existing macro to aid with that; simply place it in the right place in the ifdef chain. Since we're adding an accessor macro, pull the value directly out of flags when we're not assuming a constant. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 7b5031f647..e3907f9066 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -41,11 +41,9 @@ #define PREFIX_VEX 0x20 =20 #ifdef TARGET_X86_64 -#define CODE64(s) ((s)->code64) #define REX_X(s) ((s)->rex_x) #define REX_B(s) ((s)->rex_b) #else -#define CODE64(s) 0 #define REX_X(s) 0 #define REX_B(s) 0 #endif @@ -102,7 +100,6 @@ typedef struct DisasContext { =20 #ifdef TARGET_X86_64 int lma; /* long mode active */ - int code64; /* 64 bit code segment */ int rex_x, rex_b; #endif int vex_l; /* vex vector length */ @@ -165,6 +162,13 @@ typedef struct DisasContext { #define CODE32(S) (((S)->flags & HF_CS32_MASK) !=3D 0) #define SS32(S) (((S)->flags & HF_SS32_MASK) !=3D 0) #endif +#if !defined(TARGET_X86_64) +#define CODE64(S) false +#elif defined(CONFIG_USER_ONLY) +#define CODE64(S) true +#else +#define CODE64(S) (((S)->flags & HF_CS64_MASK) !=3D 0) +#endif =20 static void gen_eob(DisasContext *s); static void gen_jr(DisasContext *s, TCGv dest); @@ -8497,6 +8501,7 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(IOPL(dc) =3D=3D iopl); g_assert(VM86(dc) =3D=3D ((flags & HF_VM_MASK) !=3D 0)); g_assert(CODE32(dc) =3D=3D ((flags & HF_CS32_MASK) !=3D 0)); + g_assert(CODE64(dc) =3D=3D ((flags & HF_CS64_MASK) !=3D 0)); g_assert(SS32(dc) =3D=3D ((flags & HF_SS32_MASK) !=3D 0)); =20 dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; @@ -8518,7 +8523,6 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) dc->cpuid_xsave_features =3D env->features[FEAT_XSAVE]; #ifdef TARGET_X86_64 dc->lma =3D (flags >> HF_LMA_SHIFT) & 1; - dc->code64 =3D (flags >> HF_CS64_SHIFT) & 1; #endif dc->jmp_opt =3D !(dc->tf || dc->base.singlestep_enabled || (flags & HF_INHIBIT_IRQ_MASK)); --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005697; cv=none; d=zohomail.com; s=zohoarc; b=MKYTegz7p/zFReu+sjJucUFXSrk4qgf5KbZMYqEIjzTDGpM/a3rV+yuPYJrWP/J26I1Z4bNKlW/q3fxT8lf/RYUmPndmUtT7vQFiDbxqzvdkfjAvMILKaWDh+zNQmWXBZ6xL5mLbuh+0BQ6L/iqiAwwkRQe7XEHJLyi4vPfUXhI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005697; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=ZCJZnOvUMNE0qy2IulksaCfOnCxApd0kxm0gx80hBSc=; b=WSHU3M0G6h4eXQlwXyfy3NXaBPJgEppZu+6PT9jmv9w4JHGYF0WfDO4u2asLHKDUfJa3f30XFXqmFqo2x5gUU0VFnSnDUK5tpOgBacbyPyBbND6NFAXeWVbga6fJBPilvsUXgNgtkjVI5pXNGVEjVPH4g5/Wtfdn321gc/Nk4qQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 162100569740662.187358842560684; Fri, 14 May 2021 08:21:37 -0700 (PDT) Received: from localhost ([::1]:37120 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZd9-0003XO-QQ for importer@patchew.org; Fri, 14 May 2021 11:21:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36704) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVm-0005dl-Rc for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:58 -0400 Received: from mail-qt1-x831.google.com ([2607:f8b0:4864:20::831]:40607) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVl-0006zR-54 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:58 -0400 Received: by mail-qt1-x831.google.com with SMTP id j19so22404987qtp.7 for ; Fri, 14 May 2021 08:13:56 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ZCJZnOvUMNE0qy2IulksaCfOnCxApd0kxm0gx80hBSc=; b=Q1XR/5DxXgNAs3AqjraqMrqLh9uSYa6Irbe1bcDid18rapsxkI2+5G+g6+dS2VjPxp tCySs1DmdiOQ4HobyB2kKHhBqanIBV/MBEQiyOGuXs45A2hxY6e2onLRzMng90h02q7t HN86uVc03CWoLtaQarS7diyBniecYVseMisDrXDmeX8t1xoc1gJaMXIhP2rRJh36rX1x mAcogo35YjIuc+Ra7/Xv/vV3LLsSU4ppXjN0fW0X3m/R+mPU4HGM7tpbl/duoiLYqbJG Hf4fCuTRm5i6YDew+RLoySJRL0AND+TPzty74cGoxgwOZE2tfqRY2Fb+mC3YGuDPX5vP 0tbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ZCJZnOvUMNE0qy2IulksaCfOnCxApd0kxm0gx80hBSc=; b=bok2ANP6dOs+bkTuq3SCPnoWEdq5q9eIu2ZEIAvWuwVwxxEjLOKRGPo7g06MqeZxsM 6xt8fz6lg4+CKlf/0/PIuubn+/Pnq+B/1fnc3wKVnu+QWCpF5pP/3zeCvKvotHIcKvbv IJw3FuKv6Hd+hkVsbFjrN4GtdSM8piHWuMKGWfNTy09oYGvbQnUxNO1uS8S8HfthH4tX X/UxeBBNKgf2GE2Qc0pVRs7vOT6pLw4z4y6ChWT/dl5FthyYEOt9B0TjMMTEJmjVdkGc n+Rvi/dDq2uWvAOjGvhmFaM1sP0PuS/49w78kKv97hLap/qHZlbbjJcqtZwz1itQISsC e7WA== X-Gm-Message-State: AOAM532sdoUvWrmy6W3uo0RyPSShqLG2AU9bYvSBqg+PvVilXjpp4LvW KMZTQinCVvTaZNTmI0tyGYZoK4pl/jKZOvbJC+c= X-Google-Smtp-Source: ABdhPJw7RyKHMScbJfYaSKuI+yX31pwfYHNYHoGlPMRlfCXlJnmdDiWXizTfKOgNy118KCO3n49uMw== X-Received: by 2002:a05:622a:138b:: with SMTP id o11mr42416234qtk.170.1621005236256; Fri, 14 May 2021 08:13:56 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 13/50] target/i386: Assert LMA for x86_64 user-only Date: Fri, 14 May 2021 10:13:05 -0500 Message-Id: <20210514151342.384376-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::831; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x831.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" LMA is a pre-requisite for CODE64, so there is no way to disable it for x86_64-linux-user, and there is no way to enable it for i386. Since we're adding an accessor macro, pull the value directly out of flags when we're not assuming a constant. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index e3907f9066..9c8a405694 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -99,7 +99,6 @@ typedef struct DisasContext { #endif =20 #ifdef TARGET_X86_64 - int lma; /* long mode active */ int rex_x, rex_b; #endif int vex_l; /* vex vector length */ @@ -164,10 +163,13 @@ typedef struct DisasContext { #endif #if !defined(TARGET_X86_64) #define CODE64(S) false +#define LMA(S) false #elif defined(CONFIG_USER_ONLY) #define CODE64(S) true +#define LMA(S) true #else #define CODE64(S) (((S)->flags & HF_CS64_MASK) !=3D 0) +#define LMA(S) (((S)->flags & HF_LMA_MASK) !=3D 0) #endif =20 static void gen_eob(DisasContext *s); @@ -7295,7 +7297,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) } else { gen_helper_sysret(cpu_env, tcg_const_i32(dflag - 1)); /* condition codes are modified only in long mode */ - if (s->lma) { + if (LMA(s)) { set_cc_op(s, CC_OP_EFLAGS); } /* TF handling for the sysret insn is different. The TF bit is @@ -8503,6 +8505,7 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(CODE32(dc) =3D=3D ((flags & HF_CS32_MASK) !=3D 0)); g_assert(CODE64(dc) =3D=3D ((flags & HF_CS64_MASK) !=3D 0)); g_assert(SS32(dc) =3D=3D ((flags & HF_SS32_MASK) !=3D 0)); + g_assert(LMA(dc) =3D=3D ((flags & HF_LMA_MASK) !=3D 0)); =20 dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; dc->f_st =3D 0; @@ -8521,9 +8524,6 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) dc->cpuid_ext3_features =3D env->features[FEAT_8000_0001_ECX]; dc->cpuid_7_0_ebx_features =3D env->features[FEAT_7_0_EBX]; dc->cpuid_xsave_features =3D env->features[FEAT_XSAVE]; -#ifdef TARGET_X86_64 - dc->lma =3D (flags >> HF_LMA_SHIFT) & 1; -#endif dc->jmp_opt =3D !(dc->tf || dc->base.singlestep_enabled || (flags & HF_INHIBIT_IRQ_MASK)); /* Do not optimize repz jumps at all in icount mode, because --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005861; cv=none; d=zohomail.com; s=zohoarc; b=Hwz+YkYW56BbkQz1kLfuIMJlOieBBJZwuwPtE0GrNDOzKQBO/SkUsZ0vdmwI0PyA6eYPvFhfBsuarsEtz30pCGfJzPGlhL0CCfBhNZt2iXklBNsyGWLQxT6uvsWeJMYEcEGhgAVaVfk16aqG1WKPj7fAQDf7QFG3WYwwtlQMyCg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005861; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=8q8ro9KDKZ6Ts4hBMpNvAYmk0DmTL5FCdMyQCCd5v0s=; b=Qpp3wRk6SI/n1CrjGAugVQyrbEhi1dcOFfXiuFjFGzHKz+A5FIvHlV27FXOJC/1islb1hk9soyW4yvIYgo37h05Ubx3MaXa9mOglpRDKEuZycETpFjCnJjAgpy0AjPBXaA64Ncw/m6jiGXPScOryZx+1l5zjiIjz0BDbztID6oc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005861043379.51504486133; Fri, 14 May 2021 08:24:21 -0700 (PDT) Received: from localhost ([::1]:48216 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZfn-0002VO-9k for importer@patchew.org; Fri, 14 May 2021 11:24:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36714) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVn-0005h7-Mq for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:59 -0400 Received: from mail-qk1-x72d.google.com ([2607:f8b0:4864:20::72d]:44938) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVl-0006zf-UG for qemu-devel@nongnu.org; Fri, 14 May 2021 11:13:59 -0400 Received: by mail-qk1-x72d.google.com with SMTP id a2so29008306qkh.11 for ; Fri, 14 May 2021 08:13:57 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=8q8ro9KDKZ6Ts4hBMpNvAYmk0DmTL5FCdMyQCCd5v0s=; b=UKmeaIYM3MSAac/JNeLjyF75TzCIQRwPE9YvcMkb6e6aFjLRWJMpf4F7KcbBztCfXD DY22F81ia7JVFpNuvqtprfPVU6yfFTyE2BGTG4lyeV27hHDy/w8clAXxhOhOwSpa+NoD RiLAFlkqZscVxTbeQ+hRSWmb41DJO/gHjIbBMzSQy1LOwrQ34YW7azG5qjQNEdtPO5A9 3ODBSFC2bWPOOsgTq8iJu+3wblKmHPLA+u//BuOc/LziXEZvG8YcH0qGl2A1EWSezZeL L+bGCTriXgyUC5tkEjQIcMS22rs6y0abxNvFPOKufP887czlflWcF7aXpJCc1imoxA+h JzMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=8q8ro9KDKZ6Ts4hBMpNvAYmk0DmTL5FCdMyQCCd5v0s=; b=iVqR5NdvLCO0OCsxcHgO0KjoK7OGc10kwBi37B+yGRt30dAC+7Xs2wpRQ4iUojmHT5 zll2rEPThJxYMVfPeFLXCmlr63zMs3z0r6Hd69WLB4HtwyDj7IWXzsGUIivaLlhu28DL +5eHH4K+BGj7lQS3SwyEUofunhk7FhzI9b/5QGW1Wpt0bteMXBkPF+CtK4SVN83A0GO7 nGegDpQ3wqNDwR+CwVY+XHth5mpSikauVRUq3DUf456yMLxrTjSNhDbQHM4zjlH7pg7M iL8FVAYoX5r5zl6beIgSqym4LLIx7oz6c0TLvQFZRBNknGoTStYd3nH46vYLHclaDUKA F8/w== X-Gm-Message-State: AOAM530DmJpd4yFJTUgNnsAd+gOwbkDrdcABKBQB6awADVp5sAzQKCGi TKCjqFnrzscEXy1J1F8kfP8WFnDCpHibQn38Lns= X-Google-Smtp-Source: ABdhPJxzq60ce/IiOb821otPG1fPuSU84UIhdMRz53rmAEsKLliA0zGs/RgEDOiYVwSqH2mlUtbijg== X-Received: by 2002:a05:620a:9c4:: with SMTP id y4mr19944862qky.60.1621005237164; Fri, 14 May 2021 08:13:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 14/50] target/i386: Assert !ADDSEG for x86_64 user-only Date: Fri, 14 May 2021 10:13:06 -0500 Message-Id: <20210514151342.384376-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::72d; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" LMA disables traditional segmentation, exposing a flat address space. This means that ADDSEG is off. Since we're adding an accessor macro, pull the value directly out of flags otherwise. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 9c8a405694..7d7ab3e03d 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -108,7 +108,6 @@ typedef struct DisasContext { #ifdef TARGET_X86_64 bool x86_64_hregs; #endif - int addseg; /* non zero if either DS/ES/SS have a non zero base */ int f_st; /* currently unused */ int tf; /* TF cpu flag */ int jmp_opt; /* use direct block chaining for direct jumps */ @@ -156,10 +155,12 @@ typedef struct DisasContext { #define VM86(S) false #define CODE32(S) true #define SS32(S) true +#define ADDSEG(S) false #else #define VM86(S) (((S)->flags & HF_VM_MASK) !=3D 0) #define CODE32(S) (((S)->flags & HF_CS32_MASK) !=3D 0) #define SS32(S) (((S)->flags & HF_SS32_MASK) !=3D 0) +#define ADDSEG(S) (((S)->flags & HF_ADDSEG_MASK) !=3D 0) #endif #if !defined(TARGET_X86_64) #define CODE64(S) false @@ -492,7 +493,7 @@ static void gen_lea_v_seg(DisasContext *s, MemOp aflag,= TCGv a0, #endif case MO_32: /* 32 bit address */ - if (ovr_seg < 0 && s->addseg) { + if (ovr_seg < 0 && ADDSEG(s)) { ovr_seg =3D def_seg; } if (ovr_seg < 0) { @@ -505,7 +506,7 @@ static void gen_lea_v_seg(DisasContext *s, MemOp aflag,= TCGv a0, tcg_gen_ext16u_tl(s->A0, a0); a0 =3D s->A0; if (ovr_seg < 0) { - if (s->addseg) { + if (ADDSEG(s)) { ovr_seg =3D def_seg; } else { return; @@ -2429,7 +2430,7 @@ static void gen_push_v(DisasContext *s, TCGv val) tcg_gen_subi_tl(s->A0, cpu_regs[R_ESP], size); =20 if (!CODE64(s)) { - if (s->addseg) { + if (ADDSEG(s)) { new_esp =3D s->tmp4; tcg_gen_mov_tl(new_esp, s->A0); } @@ -8506,8 +8507,8 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(CODE64(dc) =3D=3D ((flags & HF_CS64_MASK) !=3D 0)); g_assert(SS32(dc) =3D=3D ((flags & HF_SS32_MASK) !=3D 0)); g_assert(LMA(dc) =3D=3D ((flags & HF_LMA_MASK) !=3D 0)); + g_assert(ADDSEG(dc) =3D=3D ((flags & HF_ADDSEG_MASK) !=3D 0)); =20 - dc->addseg =3D (flags >> HF_ADDSEG_SHIFT) & 1; dc->f_st =3D 0; dc->tf =3D (flags >> TF_SHIFT) & 1; dc->cc_op =3D CC_OP_DYNAMIC; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005807; cv=none; d=zohomail.com; s=zohoarc; b=CM9EhAQazHC5zUDsSg6nf7X00Q6NUf+l91wG4z3Wncgx5VAWdjnOQy5ksRwZk9DX3C+O5vc78sKcHtn+up/7o+pc2rdAXIvPVFHb/Kfr3JVXKy9ABfvhih2+OpwnMkAxU70rZlOxgkG1RV8qAXqwehPy4+4uZ31GBZfYIhaR7LI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005807; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=5Gs/1/30xL7hv2VvnlV5zfpjIpB7onnJxnqYo2zbYrQ=; b=HKrsmwn28Zd71fw7RKRQU0/FWH3MkVUASpBl0i/TZ/9EYlFoGJK3Pj0cJcO0mNLpnYjUtWTda+GKDj8FmNF7BILkmWBo6h+kFeuyOe3L37HPsjJcy2HPMn57n0s/0Z+hKGAqVeHKJKAhrPQBUPUJ4gmgKXFps4F63WjWKTkOFag= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005807894147.92635521152442; Fri, 14 May 2021 08:23:27 -0700 (PDT) Received: from localhost ([::1]:44908 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZew-0000H5-J7 for importer@patchew.org; Fri, 14 May 2021 11:23:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36734) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVo-0005mA-Pa for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:00 -0400 Received: from mail-qk1-x736.google.com ([2607:f8b0:4864:20::736]:35425) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVn-00070G-2d for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:00 -0400 Received: by mail-qk1-x736.google.com with SMTP id x8so29027356qkl.2 for ; Fri, 14 May 2021 08:13:58 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5Gs/1/30xL7hv2VvnlV5zfpjIpB7onnJxnqYo2zbYrQ=; b=V1RRMxQ33LNqnduX0H0Lj5kPakzx2aKqKL/wDGW3MOOzhQJee6ZjxEy9l6yulTVaDH LCUYy70m1wLvThwOfAvfOqhEGuT285BmVo9OjUwdKkRBLr0w1crxftDA37yw1U1kbeAb IJXURPIui3zo3E/eaUIBYx8U5MIZZtRaOsEwXAAIJgvM8b3BdSP8ttZe+GuCr8Oolud0 sEm8hFSvWXrQh27H0dnXLy0NzbGRsT/W/5pRWVcV73G6oJfPZDQNs4nVld/TalGz6KyS PqUh4SqgN9Gn7ObeBnxlra/Zn+/tiImeoEVVqxgUW3PZlPwaBWfhBuCq2drek8RlL9+t bw1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5Gs/1/30xL7hv2VvnlV5zfpjIpB7onnJxnqYo2zbYrQ=; b=Bh2bfDUaIhpKfZjj9zS1qQqnJ5jwKxUkE18iV2DS5ZZx6wzi/oY5dd6hi+T23Jwh0u x+RzQckJi6fdJQfEgL7A15nhSb7GOme4r1jGyQzUFkxVA0rgx8lRXQClYQfmDe++jTRs WuM359o08JbXGWuJeoJZiY7zPBTQPLe5onwWmvkY9l1mDGxKdmBfazROSD1iyuYgW4pR KA3bHt82OVEv+DMsZP1i16K+6fY0DRTvVxrtedGuLBDsbSNPZEG+hXIwByhm1BGrKl8P JEuRYMa7qUswfQGuM3QL0OQrv2zZIXmOL5UB7mBLJlJonSYUZG58Q9iIC17+ve97iVPG 6Xwg== X-Gm-Message-State: AOAM532nQ7TNENVhU3ukDkkvkm1WXc8OCb0AAWJt3zwyIN1JtZtAehbQ Ol1lSachocNa8/a2HZHSFuLBwRdgVnBWxZZ0GG8= X-Google-Smtp-Source: ABdhPJydhRGbptGr12KOJ95rTwWPFkGkTfX7SmjojytAlj71ZtDu+o90s85EDNaSEyxah2jbhU0fog== X-Received: by 2002:a37:684d:: with SMTP id d74mr16663377qkc.151.1621005238098; Fri, 14 May 2021 08:13:58 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 15/50] target/i386: Introduce REX_PREFIX Date: Fri, 14 May 2021 10:13:07 -0500 Message-Id: <20210514151342.384376-16-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::736; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x736.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The existing flag, x86_64_hregs, does not accurately describe its setting. It is true if and only if a REX prefix has been seen. Yes, that affects the "h" regs, but that's secondary. Add PREFIX_REX and include this bit in s->prefix. Add REX_PREFIX so that the check folds away when x86_64 is compiled out. Fold away the reg >=3D 8 check, because bit 3 of the register number comes from the REX prefix in the first place. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 29 +++++++++++------------------ 1 file changed, 11 insertions(+), 18 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 7d7ab3e03d..79a37fb1a7 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -39,6 +39,7 @@ #define PREFIX_DATA 0x08 #define PREFIX_ADR 0x10 #define PREFIX_VEX 0x20 +#define PREFIX_REX 0x40 =20 #ifdef TARGET_X86_64 #define REX_X(s) ((s)->rex_x) @@ -105,9 +106,6 @@ typedef struct DisasContext { int vex_v; /* vex vvvv register, without 1's complement. */ CCOp cc_op; /* current CC operation */ bool cc_op_dirty; -#ifdef TARGET_X86_64 - bool x86_64_hregs; -#endif int f_st; /* currently unused */ int tf; /* TF cpu flag */ int jmp_opt; /* use direct block chaining for direct jumps */ @@ -173,6 +171,12 @@ typedef struct DisasContext { #define LMA(S) (((S)->flags & HF_LMA_MASK) !=3D 0) #endif =20 +#ifdef TARGET_X86_64 +#define REX_PREFIX(S) (((S)->prefix & PREFIX_REX) !=3D 0) +#else +#define REX_PREFIX(S) false +#endif + static void gen_eob(DisasContext *s); static void gen_jr(DisasContext *s, TCGv dest); static void gen_jmp(DisasContext *s, target_ulong eip); @@ -336,14 +340,10 @@ static void gen_update_cc_op(DisasContext *s) */ static inline bool byte_reg_is_xH(DisasContext *s, int reg) { - if (reg < 4) { + /* Any time the REX prefix is present, byte registers are uniform */ + if (reg < 4 || REX_PREFIX(s)) { return false; } -#ifdef TARGET_X86_64 - if (reg >=3D 8 || s->x86_64_hregs) { - return false; - } -#endif return true; } =20 @@ -4559,7 +4559,6 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) #ifdef TARGET_X86_64 s->rex_x =3D 0; s->rex_b =3D 0; - s->x86_64_hregs =3D false; #endif s->rip_offset =3D 0; /* for relative ip address */ s->vex_l =3D 0; @@ -4614,12 +4613,11 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) case 0x40 ... 0x4f: if (CODE64(s)) { /* REX prefix */ + prefixes |=3D PREFIX_REX; rex_w =3D (b >> 3) & 1; rex_r =3D (b & 0x4) << 1; s->rex_x =3D (b & 0x2) << 2; REX_B(s) =3D (b & 0x1) << 3; - /* select uniform byte register addressing */ - s->x86_64_hregs =3D true; goto next_byte; } break; @@ -4643,14 +4641,9 @@ static target_ulong disas_insn(DisasContext *s, CPUS= tate *cpu) =20 /* 4.1.1-4.1.3: No preceding lock, 66, f2, f3, or rex prefixes= . */ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ - | PREFIX_LOCK | PREFIX_DATA)) { + | PREFIX_LOCK | PREFIX_DATA | PREFIX_REX)) { goto illegal_op; } -#ifdef TARGET_X86_64 - if (s->x86_64_hregs) { - goto illegal_op; - } -#endif rex_r =3D (~vex2 >> 4) & 8; if (b =3D=3D 0xc5) { /* 2-byte VEX prefix: RVVVVlpp, implied 0f leading opcode = byte */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005996; cv=none; d=zohomail.com; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gvyRdORvPt1kr5rnE2oBhDe2WAhWIUSyGf83SGXhp7c=; b=h8TdhstuY7XgH1FMjA2j4vcwb7FB2cOS53bAh7oU98esCFis/6S2pXUwoA+jJwp7ni /XjrCKcdCJ/yr34F+uXX7WufMAR527uBkxYfWA2Rgv3BaXRgW9ExB9VARAvfPcY5JVt6 5EB90bqzKN5BMtmAwUo81DWxGZHalNF9cM8aQMc+0A8g4eZG3FyapFi1Dcn5VtqDl+pH Ges/YkZQWqToNhKg1MTinLdNqhaxDJHUELmicdFjyE5DCGa4huOrLk4bKb2HL1ABiw89 AvjxDI5RM+2ebP6AfcShaIBrp606DFW4GKJyuDOCeQUjtLsvNLvNDhOGE83ZtHBLj6XT ZVLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gvyRdORvPt1kr5rnE2oBhDe2WAhWIUSyGf83SGXhp7c=; b=PxvoFgjF0wZo8Zfqouazal7NhdqVTaMZGEnnqtM3AeAZu1XBHaspUf9XAE1LOGKME4 HpOilKbXVq4kqAQaanPaWu51fLj3B/C4fVuuXOLndepiw0sa+FrwubRF4c47rmQeW/lC yLE2pJEuM+EFPFIPTPc2M3OpFb28ZIHcRRPw9saT9i0VvGcUtqV6F0QyYUiy32s+bSgK 2wAWHnRKGqr1KjFvYV7+AZPCuq5KlQ/D1SN073y5otAZOgFm/UuV9VMGF2W3h02ZyOLJ oFJJg1wWzOFkoM4Ri/b0YFlT6qI0lGoBZ4SGmr1CkY8m+Nf8X1Wn6pz4F4VlfvjJZqLt Pvvw== X-Gm-Message-State: AOAM532wd7BFA7+E7IguSkbaWiZTrm4pS96HztaZQ/38twU7Hy0ffKcT tp8Bjk6f1dTatHjLbIIMG4ToduYMXkKhUp25NGQ= X-Google-Smtp-Source: ABdhPJyxwcpxnnufj4WY6sU/IHeuio72JwCeuZCRL8q6BdiK28+PD+mL6jbSkp5lSH4WKodvkPwe7Q== X-Received: by 2002:ac8:6a07:: with SMTP id t7mr23337044qtr.304.1621005239015; Fri, 14 May 2021 08:13:59 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 16/50] target/i386: Tidy REX_B, REX_X definition Date: Fri, 14 May 2021 10:13:08 -0500 Message-Id: <20210514151342.384376-17-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::833; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x833.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Change the storage from int to uint8_t since the value is in {0,8}. For x86_64 add 0 in the macros to (1) promote the type back to int, and (2) make the macro an rvalue. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 79a37fb1a7..9bb37215d8 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -41,14 +41,6 @@ #define PREFIX_VEX 0x20 #define PREFIX_REX 0x40 =20 -#ifdef TARGET_X86_64 -#define REX_X(s) ((s)->rex_x) -#define REX_B(s) ((s)->rex_b) -#else -#define REX_X(s) 0 -#define REX_B(s) 0 -#endif - #ifdef TARGET_X86_64 # define ctztl ctz64 # define clztl clz64 @@ -100,7 +92,8 @@ typedef struct DisasContext { #endif =20 #ifdef TARGET_X86_64 - int rex_x, rex_b; + uint8_t rex_x; + uint8_t rex_b; #endif int vex_l; /* vex vector length */ int vex_v; /* vex vvvv register, without 1's complement. */ @@ -173,8 +166,12 @@ typedef struct DisasContext { =20 #ifdef TARGET_X86_64 #define REX_PREFIX(S) (((S)->prefix & PREFIX_REX) !=3D 0) +#define REX_X(S) ((S)->rex_x + 0) +#define REX_B(S) ((S)->rex_b + 0) #else #define REX_PREFIX(S) false +#define REX_X(S) 0 +#define REX_B(S) 0 #endif =20 static void gen_eob(DisasContext *s); @@ -4617,7 +4614,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) rex_w =3D (b >> 3) & 1; rex_r =3D (b & 0x4) << 1; s->rex_x =3D (b & 0x2) << 2; - REX_B(s) =3D (b & 0x1) << 3; + s->rex_b =3D (b & 0x1) << 3; goto next_byte; } break; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005995; cv=none; d=zohomail.com; s=zohoarc; b=bgYOLVbBAvN5bAouN2aQ5CqYUUs0MwLzt+EUaaQlMfQ9MmC6/b0jDa24ONYXJd8chAytTEyWaIeXkb9/fNqNqyH6TGMx7yqVFcdcWqMvspHBLRG33bO8/czvHKCKQJmRQMYigdJwlCIPO4GUH+ev1NvmNG8NylADAuCRARxiUM4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005995; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=5z7PyYHBoehni069iq1VbSkZM99hnpdXN2Kbd13JWEg=; b=Ug/Z2bMkF1CeRZDx+NautIRlqAhnuy73tbt7cOdh7QUBkftwzpBUK59EvKgVDxBopdsIOkCKgYPEM3iK3v5ltPvk1xEHsC8+E+CPH3FxulMnQ0hUi6L+Wo1LE/cdPxQD38WVxiL07gmlB4YrczX4uQWUpDeg8SuvWVpzXfP/AFQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005995264891.5698537139169; Fri, 14 May 2021 08:26:35 -0700 (PDT) Received: from localhost ([::1]:56428 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZhx-0007wO-RS for importer@patchew.org; Fri, 14 May 2021 11:26:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36772) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVr-0005tA-3B for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:03 -0400 Received: from mail-qt1-x829.google.com ([2607:f8b0:4864:20::829]:38442) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVo-00071J-Nn for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:02 -0400 Received: by mail-qt1-x829.google.com with SMTP id h21so18656816qtu.5 for ; Fri, 14 May 2021 08:14:00 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.13.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:13:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5z7PyYHBoehni069iq1VbSkZM99hnpdXN2Kbd13JWEg=; b=m/42PGOnCgWgulg2ZpnyJ7MWNT7z6bA41Jtq+pGFtEuQl2EkERumYEHnaeUjBhEjX9 olQ7DHIV06NwywIBlW8nZRWbFEf4F3rC2DsDaWbRTNtjN5ycKOLgDLBNUewyPy5szINR A5p+V4nh16ifCUtWpIXCqnQ0HlHMkXnMoNjRC0dxtjO82yIYY7kZS9pGYgyfWWcFk1td 5Xi+PXpCCDYP96Pyd9oxyydR5+kbqxW13K57mIM6SUhakJERpDy/IrnG8qnnEHChyLsy ylIm06rXKv7Ls7motTTRvrsyGhXLiw9VKGXPznWvapBfjctU9eyNEBz5N7Kngyn2oELv 2ZQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5z7PyYHBoehni069iq1VbSkZM99hnpdXN2Kbd13JWEg=; b=GEeHaV+je3N6U9A9t9YmNdCjOk0S2A8kFsAA6exgu8x17iQGbxGPKgiLOb1betM16g TCzGNO0cdxtaSDTI4zmK+MN72SnHdt/TrPbR0CokjFgr/4G6B8NB7rBDgdYP/F0/I6tc lB2Yq8LrwB6+N8uKsgPFRRB4/JWCyHpa0zJjXK4NHJc2nOUsbO03RBLlN/CWaGX79Mub DThO1ArFItPNCeZOoIrN0ayW7eQQ7NydNcPo5Pea9/Kh6cuzn29UAF9Opr5n1RrRpaqV oIsFFBALqZCfhO0KJTTPYx/Qo3acJH8Z7gWwT759hrwEfMXjtt2fLkr8smtQ65hlNLJG L/YQ== X-Gm-Message-State: AOAM53227L9/3MeQTL8W9cRH+lfh85ycCsumQ6NCitThdpgv49rbhoWK CoMC56QBwnpIDSWiuOQ6lFRzNfQn2fXXsnPG028= X-Google-Smtp-Source: ABdhPJwCrA6YTnrrwACZfGc6TGu1f+Jv6gkgTB+t+P+OA2FFxYKzcBLXBIZ8+ZKnkHVcdgBgrNVhqQ== X-Received: by 2002:ac8:518a:: with SMTP id c10mr43705450qtn.66.1621005239907; Fri, 14 May 2021 08:13:59 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 17/50] target/i386: Move rex_r into DisasContext Date: Fri, 14 May 2021 10:13:09 -0500 Message-Id: <20210514151342.384376-18-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::829; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x829.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Treat this flag exactly like we treat rex_b and rex_x. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 84 ++++++++++++++++++++----------------- 1 file changed, 45 insertions(+), 39 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 9bb37215d8..22175c6628 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -92,6 +92,7 @@ typedef struct DisasContext { #endif =20 #ifdef TARGET_X86_64 + uint8_t rex_r; uint8_t rex_x; uint8_t rex_b; #endif @@ -166,10 +167,12 @@ typedef struct DisasContext { =20 #ifdef TARGET_X86_64 #define REX_PREFIX(S) (((S)->prefix & PREFIX_REX) !=3D 0) +#define REX_R(S) ((S)->rex_r + 0) #define REX_X(S) ((S)->rex_x + 0) #define REX_B(S) ((S)->rex_b + 0) #else #define REX_PREFIX(S) false +#define REX_R(S) 0 #define REX_X(S) 0 #define REX_B(S) 0 #endif @@ -3094,7 +3097,7 @@ static const struct SSEOpHelper_eppi sse_op_table7[25= 6] =3D { }; =20 static void gen_sse(CPUX86State *env, DisasContext *s, int b, - target_ulong pc_start, int rex_r) + target_ulong pc_start) { int b1, op1_offset, op2_offset, is_xmm, val; int modrm, mod, rm, reg; @@ -3164,8 +3167,9 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, =20 modrm =3D x86_ldub_code(env, s); reg =3D ((modrm >> 3) & 7); - if (is_xmm) - reg |=3D rex_r; + if (is_xmm) { + reg |=3D REX_R(s); + } mod =3D (modrm >> 6) & 3; if (sse_fn_epp =3D=3D SSE_SPECIAL) { b |=3D (b1 << 8); @@ -3699,7 +3703,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, tcg_gen_ld16u_tl(s->T0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(= val))); } - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); gen_op_mov_reg_v(s, ot, reg, s->T0); break; case 0x1d6: /* movq ea, xmm */ @@ -3743,7 +3747,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, offsetof(CPUX86State, fpregs[rm].mmx)); gen_helper_pmovmskb_mmx(s->tmp2_i32, cpu_env, s->ptr0); } - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); tcg_gen_extu_i32_tl(cpu_regs[reg], s->tmp2_i32); break; =20 @@ -3755,7 +3759,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, } modrm =3D x86_ldub_code(env, s); rm =3D modrm & 7; - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; if (b1 >=3D 2) { goto unknown_op; @@ -3831,7 +3835,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, /* Various integer extensions at 0f 38 f[0-f]. */ b =3D modrm | (b1 << 8); modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); =20 switch (b) { case 0x3f0: /* crc32 Gd,Eb */ @@ -4185,7 +4189,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, b =3D modrm; modrm =3D x86_ldub_code(env, s); rm =3D modrm & 7; - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; if (b1 >=3D 2) { goto unknown_op; @@ -4205,7 +4209,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, rm =3D (modrm & 7) | REX_B(s); if (mod !=3D 3) gen_lea_modrm(env, s, modrm); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); val =3D x86_ldub_code(env, s); switch (b) { case 0x14: /* pextrb */ @@ -4374,7 +4378,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s= , int b, /* Various integer extensions at 0f 3a f[0-f]. */ b =3D modrm | (b1 << 8); modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); =20 switch (b) { case 0x3f0: /* rorx Gy,Ey, Ib */ @@ -4548,12 +4552,13 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) MemOp ot, aflag, dflag; int modrm, reg, rm, mod, op, opreg, val; target_ulong next_eip, tval; - int rex_w, rex_r; + int rex_w; target_ulong pc_start =3D s->base.pc_next; =20 s->pc_start =3D s->pc =3D pc_start; s->override =3D -1; #ifdef TARGET_X86_64 + s->rex_r =3D 0; s->rex_x =3D 0; s->rex_b =3D 0; #endif @@ -4567,7 +4572,6 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 prefixes =3D 0; rex_w =3D -1; - rex_r =3D 0; =20 next_byte: b =3D x86_ldub_code(env, s); @@ -4612,7 +4616,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) /* REX prefix */ prefixes |=3D PREFIX_REX; rex_w =3D (b >> 3) & 1; - rex_r =3D (b & 0x4) << 1; + s->rex_r =3D (b & 0x4) << 1; s->rex_x =3D (b & 0x2) << 2; s->rex_b =3D (b & 0x1) << 3; goto next_byte; @@ -4641,7 +4645,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) | PREFIX_LOCK | PREFIX_DATA | PREFIX_REX)) { goto illegal_op; } - rex_r =3D (~vex2 >> 4) & 8; +#ifdef TARGET_X86_64 + s->rex_r =3D (~vex2 >> 4) & 8; +#endif if (b =3D=3D 0xc5) { /* 2-byte VEX prefix: RVVVVlpp, implied 0f leading opcode = byte */ vex3 =3D vex2; @@ -4731,7 +4737,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) switch(f) { case 0: /* OP Ev, Gv */ modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; rm =3D (modrm & 7) | REX_B(s); if (mod !=3D 3) { @@ -4753,7 +4759,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 1: /* OP Gv, Ev */ modrm =3D x86_ldub_code(env, s); mod =3D (modrm >> 6) & 3; - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); rm =3D (modrm & 7) | REX_B(s); if (mod !=3D 3) { gen_lea_modrm(env, s, modrm); @@ -5179,7 +5185,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) ot =3D mo_b_d(b, dflag); =20 modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); =20 gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0); gen_op_mov_v_reg(s, ot, s->T1, reg); @@ -5251,7 +5257,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x6b: ot =3D dflag; modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); if (b =3D=3D 0x69) s->rip_offset =3D insn_const_size(ot); else if (b =3D=3D 0x6b) @@ -5303,7 +5309,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x1c1: /* xadd Ev, Gv */ ot =3D mo_b_d(b, dflag); modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; gen_op_mov_v_reg(s, ot, s->T0, reg); if (mod =3D=3D 3) { @@ -5335,7 +5341,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) =20 ot =3D mo_b_d(b, dflag); modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; oldv =3D tcg_temp_new(); newv =3D tcg_temp_new(); @@ -5557,7 +5563,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x89: /* mov Gv, Ev */ ot =3D mo_b_d(b, dflag); modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); =20 /* generate a generic store */ gen_ldst_modrm(env, s, modrm, ot, reg, 1); @@ -5583,7 +5589,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x8b: /* mov Ev, Gv */ ot =3D mo_b_d(b, dflag); modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); =20 gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0); gen_op_mov_reg_v(s, ot, reg, s->T0); @@ -5633,7 +5639,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) s_ot =3D b & 8 ? MO_SIGN | ot : ot; =20 modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; rm =3D (modrm & 7) | REX_B(s); =20 @@ -5672,7 +5678,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) mod =3D (modrm >> 6) & 3; if (mod =3D=3D 3) goto illegal_op; - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); { AddressParts a =3D gen_lea_modrm_0(env, s, modrm); TCGv ea =3D gen_lea_modrm_1(s, a); @@ -5754,7 +5760,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x87: /* xchg Ev, Gv */ ot =3D mo_b_d(b, dflag); modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; if (mod =3D=3D 3) { rm =3D (modrm & 7) | REX_B(s); @@ -5791,7 +5797,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) do_lxx: ot =3D dflag !=3D MO_16 ? MO_32 : MO_16; modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; if (mod =3D=3D 3) goto illegal_op; @@ -5874,7 +5880,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) modrm =3D x86_ldub_code(env, s); mod =3D (modrm >> 6) & 3; rm =3D (modrm & 7) | REX_B(s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); if (mod !=3D 3) { gen_lea_modrm(env, s, modrm); opreg =3D OR_TMP0; @@ -6728,7 +6734,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) } ot =3D dflag; modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); gen_cmovcc1(env, s, ot, b, modrm, reg); break; =20 @@ -6874,7 +6880,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) do_btx: ot =3D dflag; modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; rm =3D (modrm & 7) | REX_B(s); gen_op_mov_v_reg(s, MO_32, s->T1, reg); @@ -6979,7 +6985,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x1bd: /* bsr / lzcnt */ ot =3D dflag; modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); gen_ldst_modrm(env, s, modrm, ot, OR_TMP0, 0); gen_extu(ot, s->T0); =20 @@ -7706,7 +7712,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) d_ot =3D dflag; =20 modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); mod =3D (modrm >> 6) & 3; rm =3D (modrm & 7) | REX_B(s); =20 @@ -7780,7 +7786,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; ot =3D dflag !=3D MO_16 ? MO_32 : MO_16; modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); t0 =3D tcg_temp_local_new(); gen_update_cc_op(s); @@ -7821,7 +7827,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) modrm =3D x86_ldub_code(env, s); if (s->flags & HF_MPX_EN_MASK) { mod =3D (modrm >> 6) & 3; - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); if (prefixes & PREFIX_REPZ) { /* bndcl */ if (reg >=3D 4 @@ -7911,7 +7917,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) modrm =3D x86_ldub_code(env, s); if (s->flags & HF_MPX_EN_MASK) { mod =3D (modrm >> 6) & 3; - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); if (mod !=3D 3 && (prefixes & PREFIX_REPZ)) { /* bndmk */ if (reg >=3D 4 @@ -8023,7 +8029,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) * are assumed to be 1's, regardless of actual values. */ rm =3D (modrm & 7) | REX_B(s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); if (CODE64(s)) ot =3D MO_64; else @@ -8076,7 +8082,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) * are assumed to be 1's, regardless of actual values. */ rm =3D (modrm & 7) | REX_B(s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); if (CODE64(s)) ot =3D MO_64; else @@ -8118,7 +8124,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) mod =3D (modrm >> 6) & 3; if (mod =3D=3D 3) goto illegal_op; - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); /* generate a generic store */ gen_ldst_modrm(env, s, modrm, ot, reg, 1); break; @@ -8350,7 +8356,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) goto illegal_op; =20 modrm =3D x86_ldub_code(env, s); - reg =3D ((modrm >> 3) & 7) | rex_r; + reg =3D ((modrm >> 3) & 7) | REX_R(s); =20 if (s->prefix & PREFIX_DATA) { ot =3D MO_16; @@ -8378,7 +8384,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x1c2: case 0x1c4 ... 0x1c6: case 0x1d0 ... 0x1fe: - gen_sse(env, s, b, pc_start, rex_r); + gen_sse(env, s, b, pc_start); break; default: goto unknown_op; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006419; cv=none; d=zohomail.com; s=zohoarc; b=dDrc7q6R67FT1pGrEdIeuyFQ5c15SCwOQgXIYZ1lt7dne3SOIOLwWjeH8A4yHE6rs7jgJoUkupVo27Km8vS3ICBbVllmXqJQhqToGsRKZvm6z03y8O5Rh7diRu0qM/Wm8ZGX7dV1a6hwmgcLrYEvTcdQWYzLvGQMLamMvuIJWlw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006419; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=j3jIdgzkdy+zadQXXnxssNNXrHd6sc0uIKQLcspEtOE=; b=CS8ybwNIzCqR5vG0zgkr8BRxzU+r+5g6DT86W3T6uOrcKkhYpvdgZwqd+jrkIwKK+u4p0oJuk9pzo9MqpWlZCBoiHHS0qymg83m83EdSsJeaI/jXqhsCq7OjJDGsRAXvvsWJj5TzSV1qsHvxUkXROHRmj1qPtjE5IQhVCM5ViN4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006419718856.1527228747459; Fri, 14 May 2021 08:33:39 -0700 (PDT) Received: from localhost ([::1]:42188 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZon-00013V-5h for importer@patchew.org; Fri, 14 May 2021 11:33:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36918) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZW2-0005z5-AV for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:14 -0400 Received: from mail-qt1-x831.google.com ([2607:f8b0:4864:20::831]:43899) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVp-00071T-IG for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:13 -0400 Received: by mail-qt1-x831.google.com with SMTP id c10so12603724qtx.10 for ; Fri, 14 May 2021 08:14:01 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=j3jIdgzkdy+zadQXXnxssNNXrHd6sc0uIKQLcspEtOE=; b=rVXM7AQof1N1wBD1P3wpnIDgQsXyaptymcyTZVPHSCZKmxdNutRTmFBUsFx7ujLM7r pX7eudN6p7Dw84Ze4d0AqPGw6jJikjIEIQjF5Ch49420wC/+27tqYvLHQ4n3TOKD3BU/ 88dm7GTb2+VCes8+KQEHh4Akjc7dfp+ymgTyZcOJV30vjU1i+acBxy4HNksUDizH6oql ZdGlPcVqVaJOUf15v8Ha5PwzjYk8m9jcl6q7GoQZznG/auomKjRB3/Xlt35SC0eeOA6p 39rkQ/jpCDEs1O39uI3Ldgg1WxbiTkbusTbq1Xmj9BANr66btfypFH6LrJ9rh6wxR3uq rX+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=j3jIdgzkdy+zadQXXnxssNNXrHd6sc0uIKQLcspEtOE=; b=IHmzuoycZ8624L09awrLygGbjqjHoOPgFfApf/pYQvAIek3zumTy7UBOQYhXr9nA5l SARTMli+aiQGF2Km0GKrvRQdwoKfGp6QPk9xS+h+/5PU0ZBLqQ/VqkOWMrOt3QWMSrTD 7c80UIHqquU3cTKqRfeyPLf6bcM22uy5DJoSYS0E/T9lKBaCZT28xeg6q/G4iyjjRPln brSAolWmdAy86M5dlRkGYrRhZUbY0oLDSaKZwblWMfrydcomjB3PPGctMoQp0/vfbFA5 d31vUkXFWLYOOHECIE/lhb6yFXwzHKqBwPQpNGzIjLZvoLn3bXdgBfNgeEzN7ATGaIWe OvGA== X-Gm-Message-State: AOAM530t9OL2V1rkO9gIDCNFqjaG+fACKv9K6HCG+Ff9u5q3xEZ9jhbY efsGYoghUF70X71ohQgMaBoWuw3I64LfC/ndWVE= X-Google-Smtp-Source: ABdhPJxVfhzAQAd4UQpHd4/0D08lAILpKuWwij7crWV3FpHlfOSCgai7c8UK9RecP4yQfex8udP31g== X-Received: by 2002:ac8:7d0c:: with SMTP id g12mr30126009qtb.224.1621005240768; Fri, 14 May 2021 08:14:00 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 18/50] target/i386: Move rex_w into DisasContext Date: Fri, 14 May 2021 10:13:10 -0500 Message-Id: <20210514151342.384376-19-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::831; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x831.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Treat this flag exactly like we treat the other rex bits. The -1 initialization is unused; the two tests are > 0 and =3D=3D 1, so the value can be reduced to a bool. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 22175c6628..4222f09b6f 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -95,6 +95,7 @@ typedef struct DisasContext { uint8_t rex_r; uint8_t rex_x; uint8_t rex_b; + bool rex_w; #endif int vex_l; /* vex vector length */ int vex_v; /* vex vvvv register, without 1's complement. */ @@ -167,11 +168,13 @@ typedef struct DisasContext { =20 #ifdef TARGET_X86_64 #define REX_PREFIX(S) (((S)->prefix & PREFIX_REX) !=3D 0) +#define REX_W(S) ((S)->rex_w) #define REX_R(S) ((S)->rex_r + 0) #define REX_X(S) ((S)->rex_x + 0) #define REX_B(S) ((S)->rex_b + 0) #else #define REX_PREFIX(S) false +#define REX_W(S) false #define REX_R(S) 0 #define REX_X(S) 0 #define REX_B(S) 0 @@ -4552,12 +4555,12 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) MemOp ot, aflag, dflag; int modrm, reg, rm, mod, op, opreg, val; target_ulong next_eip, tval; - int rex_w; target_ulong pc_start =3D s->base.pc_next; =20 s->pc_start =3D s->pc =3D pc_start; s->override =3D -1; #ifdef TARGET_X86_64 + s->rex_w =3D false; s->rex_r =3D 0; s->rex_x =3D 0; s->rex_b =3D 0; @@ -4571,7 +4574,6 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) } =20 prefixes =3D 0; - rex_w =3D -1; =20 next_byte: b =3D x86_ldub_code(env, s); @@ -4615,7 +4617,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (CODE64(s)) { /* REX prefix */ prefixes |=3D PREFIX_REX; - rex_w =3D (b >> 3) & 1; + s->rex_w =3D (b >> 3) & 1; s->rex_r =3D (b & 0x4) << 1; s->rex_x =3D (b & 0x2) << 2; s->rex_b =3D (b & 0x1) << 3; @@ -4654,12 +4656,12 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) b =3D x86_ldub_code(env, s) | 0x100; } else { /* 3-byte VEX prefix: RXBmmmmm wVVVVlpp */ + vex3 =3D x86_ldub_code(env, s); #ifdef TARGET_X86_64 s->rex_x =3D (~vex2 >> 3) & 8; s->rex_b =3D (~vex2 >> 2) & 8; + s->rex_w =3D (vex3 >> 7) & 1; #endif - vex3 =3D x86_ldub_code(env, s); - rex_w =3D (vex3 >> 7) & 1; switch (vex2 & 0x1f) { case 0x01: /* Implied 0f leading opcode bytes. */ b =3D x86_ldub_code(env, s) | 0x100; @@ -4686,7 +4688,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) /* In 64-bit mode, the default data size is 32-bit. Select 64-bit data with rex_w, and 16-bit data with 0x66; rex_w takes precede= nce over 0x66 if both are present. */ - dflag =3D (rex_w > 0 ? MO_64 : prefixes & PREFIX_DATA ? MO_16 : MO= _32); + dflag =3D (REX_W(s) ? MO_64 : prefixes & PREFIX_DATA ? MO_16 : MO_= 32); /* In 64-bit mode, 0x67 selects 32-bit addressing. */ aflag =3D (prefixes & PREFIX_ADR ? MO_32 : MO_64); } else { @@ -5082,7 +5084,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) /* operand size for jumps is 64 bit */ ot =3D MO_64; } else if (op =3D=3D 3 || op =3D=3D 5) { - ot =3D dflag !=3D MO_16 ? MO_32 + (rex_w =3D=3D 1) : MO_16; + ot =3D dflag !=3D MO_16 ? MO_32 + REX_W(s) : MO_16; } else if (op =3D=3D 6) { /* default push size is 64 bit */ ot =3D mo_pushpop(s, dflag); --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005962; cv=none; d=zohomail.com; s=zohoarc; b=NLw4rmGN6z+uMHXQb3rF9LIRPpav3AEDVQD9V9jP9Ch4IdZbsGa6iJ/+cpW5Gn6yh4fatNzewRPhNdde9oyq/MqNKN9XlSmwvBS+5VT53isaPFXDQkqwyvBmwLqhSHJMw4telUyjE5xo8W8RyYs5llLgjcu6wDJs7oJTjqK0AlE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005962; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=JAUZoSf08wmQ4OzHJ+DwMM9rnCZ56JE9Izgi0Nl3LSA=; b=m5t6pcla0dLG9RdMXhZoezaRXLKUsI4v4I7AkmNUgc+bGULGnR1dFZYxpPaiGDbwewRFptSZ4+0IPcKDG6zlObXsFqwSyvfAzYHznPwcLHlqteNXtnB+H195NHR1uTzAAnXje/sAO/rUO3hMX/BqvNr1mXeEuufclZ36sccWPmQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005962957573.6131209765938; Fri, 14 May 2021 08:26:02 -0700 (PDT) Received: from localhost ([::1]:54508 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZhR-0006fn-JI for importer@patchew.org; Fri, 14 May 2021 11:26:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36788) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVs-0005v5-4e for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:04 -0400 Received: from mail-qt1-x834.google.com ([2607:f8b0:4864:20::834]:46949) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVq-00072F-Lh for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:03 -0400 Received: by mail-qt1-x834.google.com with SMTP id m13so7171558qtk.13 for ; Fri, 14 May 2021 08:14:02 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::834; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x834.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 4222f09b6f..7e296b39f5 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -101,7 +101,6 @@ typedef struct DisasContext { int vex_v; /* vex vvvv register, without 1's complement. */ CCOp cc_op; /* current CC operation */ bool cc_op_dirty; - int f_st; /* currently unused */ int tf; /* TF cpu flag */ int jmp_opt; /* use direct block chaining for direct jumps */ int repz_opt; /* optimize jumps within repz instructions */ @@ -8507,7 +8506,6 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(LMA(dc) =3D=3D ((flags & HF_LMA_MASK) !=3D 0)); g_assert(ADDSEG(dc) =3D=3D ((flags & HF_ADDSEG_MASK) !=3D 0)); =20 - dc->f_st =3D 0; dc->tf =3D (flags >> TF_SHIFT) & 1; dc->cc_op =3D CC_OP_DYNAMIC; dc->cc_op_dirty =3D false; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006230; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=8edEzhGtq2xMFYEZpXK4wZ0FVGZmgn9bdMJp8iCQWR0=; b=g37ilEz3daZUPTXd67yvR3chAn216ztyn2MSXmx2nGnySaJFqcfXFNNhQb97jreqK9 A+cLmKIVJtZZ4leVk1H+l190M62h5OUquSDM/zJVaby40Edxfbi63myE2qEmh3TznAff hjWYfjz6y51h80XZ5EL4OMMUYTingJnL/2q3LmT69mOnhsqx/Lb4N81PCQdXiqrSCDJw qabRzTpfObtbBiopS/BFQERK3ObKQjIL8vIonPSMRTOAp8RNzEGkzyDLlnM4+48PxzxU V9f2oNaezR5oQB5o6je5Pf4kMp/hmoEc0qtDHxSgw3feJrX3tY8b6x6vI/0SOWYPgFRH Nlbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=8edEzhGtq2xMFYEZpXK4wZ0FVGZmgn9bdMJp8iCQWR0=; b=V18AQmLhDb5d0/wswIApp3Eu26TS0Z0oMfW0TlvzUznlm4Lb3vqmZJmuHlB55wLbwr EDR4hP8eWns1/Px1+u849F1aPA2UxclaJLhvZEjVBwaT0b6fSPnobnB8RZdUKXN+X+M2 97qoiIKxshE5fr8/p5AlPTyQL9pLtRPMmtdFYUmpqVdXFzVHNjGj8ehW4OVomg7xvhbp xplCAUZx5QYVwbitlVTUeyec0Kp9YGhUABJQwkGLmQBcqOnnXWrtIwMHLNmOkGVys67U uIfP6Q+37DOcCuAwkl4iBgdSgjs36aI1CYjDB5uS7+m4vSzE2SznYLSBvmXGdII1IFaG 9rPQ== X-Gm-Message-State: AOAM533hFK72EbZb9t40DO8mpazljFVWWA84kKfeo1IYC9TAJm6kpfiS j0XtAVKv7znGVFpEV3CsEeOhbE5t9a8zfar7JNU= X-Google-Smtp-Source: ABdhPJxO7W2l1o/96E1bfPscOtBDFH0yAv/1X5Im1J4CDMcIOqvh9RY38R80Y+VxDbpD/0Z6fIYY0A== X-Received: by 2002:a37:68c5:: with SMTP id d188mr31816815qkc.287.1621005242694; Fri, 14 May 2021 08:14:02 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 20/50] target/i386: Reduce DisasContext.flags to uint32_t Date: Fri, 14 May 2021 10:13:12 -0500 Message-Id: <20210514151342.384376-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::72e; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The value comes from tb->flags, which is uint32_t. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 7e296b39f5..ca7f0a8cf4 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -105,7 +105,7 @@ typedef struct DisasContext { int jmp_opt; /* use direct block chaining for direct jumps */ int repz_opt; /* optimize jumps within repz instructions */ int mem_index; /* select memory access functions */ - uint64_t flags; /* all execution flags */ + uint32_t flags; /* all execution flags */ int popl_esp_hack; /* for correct popl with esp base handling */ int rip_offset; /* only used in x86_64, but left for simplicity */ int cpuid_features; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006235; cv=none; d=zohomail.com; s=zohoarc; b=RLIxc9yBI642AQWDaB7GGhYPr68vLfimWrtyQIuK2nJicnJdyOMs1asAB9Y1jsGYPe5AfwGKHwZ2k6lgO7udzJ2I6i3YHWRCa+a4UtEX7tLPQdQbSar8NSzkf/VtrGpMnL3kkEuPTZWY+irsy/9apYjlGs69jCTXE/RSSUZ1cOo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006235; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=wKAsDg7GVQzLhI2lK4v6K+FuJ6KEsAjk5VhFqfZ3xoA=; b=ZYtjLW6z183EtPtwd0iwTkwGLhsuK+nuYatPhLLJVLtA5zFAJIz35E0+2M7E7dTOzlOLoKfRyzQMa1sBY+qp+K1IOQyNhQJvsywCiCIbs9iWKwshFiDl6dnMAX3QHER3hMcjE2td7oMN2ZCP5bfyCZsfXTq+kZ/xLBvCA0eqP7c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006235441663.51561348283; Fri, 14 May 2021 08:30:35 -0700 (PDT) Received: from localhost ([::1]:36974 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZlp-0005ek-84 for importer@patchew.org; Fri, 14 May 2021 11:30:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36862) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVy-0005xg-6u for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:12 -0400 Received: from mail-qv1-xf2c.google.com ([2607:f8b0:4864:20::f2c]:47055) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVs-000736-Cv for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:09 -0400 Received: by mail-qv1-xf2c.google.com with SMTP id w9so15570070qvi.13 for ; Fri, 14 May 2021 08:14:04 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wKAsDg7GVQzLhI2lK4v6K+FuJ6KEsAjk5VhFqfZ3xoA=; b=qxkmsA2bW3PsUNC/26VeYzBdKEWLESujzbCk+8hYC7Jlb6ySkYyiTF6+dUGIOu5jOY AwB/548F1gQse9aMddXheOsSJKlR53xhl3EimcAyxVfjx+yePs9QxCpYrt5DRHth3oIc 9N8Z99CwmTjnUmBbRe+0CTJADU45xp6pcRoQbf+JGD3/l6OLpQ63DWwY4Q3y5NOa/D8A xkoS4VrhAbT57P6ZJgjycJf3AcuDZUBXhJTcRnkU3dPTO3gvQbyGY8uc8zlIKKuvlQLO c32cU3YGltSGhz66xiSjINYkLVpr+nx05qogjiF4Uuj3a0EmUJCQvBaTo7kSjLlw3e5H XAOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wKAsDg7GVQzLhI2lK4v6K+FuJ6KEsAjk5VhFqfZ3xoA=; b=AY92W5SsxJ/55+e6xi2YC4Inu/x5tG78vB2hPeKaVhx8u0E8Tw6i9IE4fRtC4zPyh+ ntPkb2IwfDqbU3ZdNw+s3y/6hQB1kUh8Wn+qpGEg5T/OfknOySSUdDi92zDQTHcabkZn eOQ1QJnLHABkC1zVPpCDngFmxxoVs559yzEIVGK8VI8ynNCQgptidFGKdpV7VL4m4C3s 46e1iAzkkQMkc2fWXl73BYkXwnv2OclNjFZIuql2fBrH+ChHOEssEQFFGqe539DANOP4 eAgvE3YQQ77US7jnQpwFKOVqyW6/6MwXbaS8+f7c7/BP3RcSOd05dV6DVQKPl0hFAFzS 38RQ== X-Gm-Message-State: AOAM532KR5ZUcX4UXmeChX8mdIQWFsk3r/QtYJoJg01k9oUjqH399C3p AIjs/PeW4NtG4MOscgL01+NXg1nlnPu79hpCvpQ= X-Google-Smtp-Source: ABdhPJz0zyGylfvLInwuiPlhbEsEM8arqsLB6W1UdAMC68bgkXj7Z6+FwdIGaaZEWVsIfNgtqOSJUg== X-Received: by 2002:a0c:eccc:: with SMTP id o12mr45998314qvq.59.1621005243626; Fri, 14 May 2021 08:14:03 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 21/50] target/i386: Reduce DisasContext.override to int8_t Date: Fri, 14 May 2021 10:13:13 -0500 Message-Id: <20210514151342.384376-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::f2c; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf2c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The range of values is -1 (none) to 5 (R_GS). Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index ca7f0a8cf4..44a28858aa 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -77,7 +77,7 @@ typedef struct DisasContext { DisasContextBase base; =20 /* current insn context */ - int override; /* -1 if no override */ + int8_t override; /* -1 if no override, else R_CS, R_DS, etc */ int prefix; MemOp aflag; MemOp dflag; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006096; cv=none; d=zohomail.com; s=zohoarc; b=cQdsNjKmyFlm81X+GJVPIvjUrykKtjCWfe6LMQuxSs/pl7bGevobxUshFNAi3A/4IXAykt+6igll9EAEKpqYus7ddePnHPFnwhxfcihMbYhq7JwPTHWDDNRArVw58Z09bsyjybCuQNmKyNtXy2otj3ezYB10AIvOfemTvOYQuRU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006096; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=v08dNCUR+fN7w5GyhkzzKQU94qjvyNBgVPpCT3wlKEE=; b=T8gCQeg0ZDPSZ5SDpa37JAxFOCaVsaBjDGr2CG7MzSOVyrC1l4ay4ymN4jjCvIb5a6n8hF00R8SEM4cpHp8Ut7uguPDwkp6J9EtMg0x2TEbbPS9zWY6rrGBD3gFOR3pUz/3dcIPqJAo25Tc6NTnsvnaMsw76LyRnjl6t0bRGS2g= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 162100609677881.40705195555881; Fri, 14 May 2021 08:28:16 -0700 (PDT) Received: from localhost ([::1]:33706 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZjb-0003LM-9M for importer@patchew.org; Fri, 14 May 2021 11:28:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36880) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVz-0005xi-J5 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:13 -0400 Received: from mail-qv1-xf2e.google.com ([2607:f8b0:4864:20::f2e]:47057) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVt-00073Y-Fx for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:11 -0400 Received: by mail-qv1-xf2e.google.com with SMTP id w9so15570099qvi.13 for ; Fri, 14 May 2021 08:14:05 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=v08dNCUR+fN7w5GyhkzzKQU94qjvyNBgVPpCT3wlKEE=; b=kTaysS57N7ob9A/85uu/8STXBNdF2YAjQ3N1VmTo84pYn2c0D6+TuoTcrwWMsxdkuJ VQdZr0WvPiy5/5c7+eMSjYww/YNnN4l03yr1LcwEeZDond3iC2XbrOuTa+Eq+avFesTe BB8AIOVUnrEdOGpq5qvDNE7WGY6JsAj8923Cu/2/DDF6rpLbeq+eR0KpxyW1lx80RpUO if3ajxmBogV82U06jXtMFX5yNGQR71tW+C6FGD1zZLLpoRgV61JjgPqhcZZQ4i5JspXj F/CvydzUc4+J25kUJtRTNCzXDOgoiX8tD/cFYtiX/nf3nuy7tQP2NFPbuUgN+xfjhqyN h3tA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=v08dNCUR+fN7w5GyhkzzKQU94qjvyNBgVPpCT3wlKEE=; b=XSWpVVESGkJZXu314Z3aBH/Pzj6KzXlyohljRJuMTPVAquHwTST7muoLETHYmGCNaq ZiifEHV2NCdHSujJyUj2gh2MCEvizcTNi0EF/iIlzLg0WrqBkRmMleLt7hj8xiiltrfZ fW7wnRsfdjBlc9vDTP69xD/aJc8l981lNcWF5/gBQY5d7ESBlG3ZiBJrlIGFIYmvsKzC arDVHG9bi1TqIjgTEMccYGmk4RgKCXTCiHKnSDfMv0xn6oVuF4LEFSpRmNTSFBGNkwRo vJ/wUrG2fk/wvUTgNuReqZAhFqEwU62X5VO5wbbj/sv688ocdXBxdD316JKrzhuU8Eq2 sEjQ== X-Gm-Message-State: AOAM531SR2WTgxlFbx/g2ewG5GysvT7hRr30AXZ7kZIYcEep2qee7jIO AwQrncRlQiROAtZn+azVnT8dIoM6ahcotwqE2oQ= X-Google-Smtp-Source: ABdhPJxvY7Me+znB6ir/8zjgii5pxUg9+Nr6uBDxVhb16ehu2isETfOe0KPz4QagW5rAco8V3HykYQ== X-Received: by 2002:a0c:ee23:: with SMTP id l3mr46904630qvs.55.1621005244549; Fri, 14 May 2021 08:14:04 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 22/50] target/i386: Reduce DisasContext.prefix to uint8_t Date: Fri, 14 May 2021 10:13:14 -0500 Message-Id: <20210514151342.384376-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::f2e; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf2e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The highest bit in this set is 0x40 (PREFIX_REX). Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 44a28858aa..61c0573c2f 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -78,7 +78,7 @@ typedef struct DisasContext { =20 /* current insn context */ int8_t override; /* -1 if no override, else R_CS, R_DS, etc */ - int prefix; + uint8_t prefix; MemOp aflag; MemOp dflag; target_ulong pc_start; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621005953; cv=none; d=zohomail.com; s=zohoarc; b=BXXn8i2b8TPm/t0Xr9X9Cp0oo09oS0tNosYY8dpX4bQUrAKU1ZZ/VHrFUhzHUs78LieDv5xl+WTrGGCUY1FQY9N1JIyklRykVG4d8SM5Am1hRWNDqznusy80MoQyPJHqasNVasSkds7D2R/N2a8uAGjcdRwiOzrehoiObiwl1iA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621005953; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=3h7I7fG248RECND44leECmVPoKr2IUswvnOcmS9+8lk=; b=XDTO78uoa3wh9BZD6TTNiFoBapeoWusJORmBy54h/8z1UFv20K28fZWH0mNFlJbEBJNPM1Py0ES0DZ843TBcyjiQzPNWNA4gWpdbxEDK8QT0+ntUXSJh5vdophHQwTw2g4tEo/C6Yl8xZ2NfF8f9kcTvEBGMCcpPfhXvFeERyeg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621005953731740.4771904574553; Fri, 14 May 2021 08:25:53 -0700 (PDT) Received: from localhost ([::1]:53452 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZhI-0005w7-65 for importer@patchew.org; Fri, 14 May 2021 11:25:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36844) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZVx-0005xe-Gh for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:12 -0400 Received: from mail-qk1-x731.google.com ([2607:f8b0:4864:20::731]:45761) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVu-00073y-7B for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:09 -0400 Received: by mail-qk1-x731.google.com with SMTP id 197so28987579qkl.12 for ; Fri, 14 May 2021 08:14:05 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3h7I7fG248RECND44leECmVPoKr2IUswvnOcmS9+8lk=; b=bV+3v2nQKXBPgBF1aBMdV00ikK1P3JaR16hHVoRswPPufOroZRmdn+UeIGdaKjO9aO oWbiKP9zJSVnpJYi8aeF7cxNReEYbB1VQmHxMDrcxD0PpEkyKNKV/gvYLxn0BkFdgUQY SVRQJRduMnMwJmc3l4negKMFFd/2K/CMhXTeJny3IqdHmZlX02FSgfcanl3PvN4DUWZC EMPTHAACqHEFd5KcS1eDrR2wLCs8ereVeo53yuUTrHHBb+ONHMKu26+ty3bpmPUyh+nJ L6kGebsCqjZa/rlevCSPKrVF7wTMMYcH/MOGfFnvcTRbd1hN7DHXnIuy/gRICuPj3lER pFMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3h7I7fG248RECND44leECmVPoKr2IUswvnOcmS9+8lk=; b=bhkqWov9Cv8bWIfAhdGZ4Xu5/Uc+3V2v8rlcbTNv4sjtV/guUlhB76LjUHD3om6Gi+ bZVPOsoZlPMZQi8+tcsbDVYPPEvF0mNnZvCxbJupMA1UNuxlJ//Nn25JEFz0YzpgtNwz VphIKKY1caLNTogijG0zNwqYjAFC8b6FoanwgiZDmkHQufFX0PgU+TTp+h+ISxgACjmV eUPhSHbjrr05YpRvRZeYHsOgIo7r1MwFYZQuGWXVds5yaEqVBtsxiAn1I8ymt4W1ALpR 1viUpgrfSuzPkCaBuzWs3TgerESaLPT7tpIC2Pi8Oy6xne8Zjye6cwINZ9/LUts11jxy CLEg== X-Gm-Message-State: AOAM530eDKV+11xhAXbZUhPiFhdwj4TqVEtMoQnBFhwLRTvrYtBh3FJ7 WY/OYZl54qT8r+Xs0IOPMuF2QfQtNXGoSiKMZxQ= X-Google-Smtp-Source: ABdhPJy2O5dhFy+daiz5zNbCKy/UZOhVcHhE+VfkIwopmS9S5sU36a1VBHZZ4UiE0Stb2WjoVRoGPw== X-Received: by 2002:a05:620a:14a5:: with SMTP id x5mr22854026qkj.143.1621005245424; Fri, 14 May 2021 08:14:05 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 23/50] target/i386: Reduce DisasContext.vex_[lv] to uint8_t Date: Fri, 14 May 2021 10:13:15 -0500 Message-Id: <20210514151342.384376-24-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::731; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x731.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Currently, vex_l is either {0,1}; if in the future we implement AVX-512, the max value will be 2. In vex_v we store a register number. This is 0-15 for SSE, and 0-31 for AVX-512. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 61c0573c2f..1367e53e4e 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -97,8 +97,8 @@ typedef struct DisasContext { uint8_t rex_b; bool rex_w; #endif - int vex_l; /* vex vector length */ - int vex_v; /* vex vvvv register, without 1's complement. */ + uint8_t vex_l; /* vex vector length */ + uint8_t vex_v; /* vex vvvv register, without 1's complement. */ CCOp cc_op; /* current CC operation */ bool cc_op_dirty; int tf; /* TF cpu flag */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006524; cv=none; d=zohomail.com; s=zohoarc; b=EC3MKIV6QMKDIwGqwbNm8LWWDUfQL9EqD0cyHdW4I/OenGujAxXILuVQgqFDqmJwosTfPoVJZ55Hl9l/R/8m4PspIh+pHBJlF4x9a8avHTO23aFtPA2Jau/sPA4/25GBzRV1E7yXMN8VKOfnj4KfUQYTSQ2XdhZUYiTEWlahVXE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006524; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=faTSI+eS0bqFqEREdWJLgJIJnnf/2ZzvZH+BYJ5ylfM=; b=Blv+SDgemlfEhkZ9ZrgDWROow/suz1BgVfUUvv0qT8H33LuAE3PIEdcnZjj/Tu5lccqnof+/6T8nKY/XkiX7j8SzyISYbLYJQ7zMM19SRyaPT1uuY4MgAQxvKS6mv8MtRp6hxfLqI4eIrvEkVUf/XN1Iw3dA8iGVbacCK25lsLQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006524265644.9501738043369; Fri, 14 May 2021 08:35:24 -0700 (PDT) Received: from localhost ([::1]:45528 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZqU-0003W7-Gg for importer@patchew.org; Fri, 14 May 2021 11:35:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36944) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZW3-00060G-M9 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:16 -0400 Received: from mail-qv1-xf30.google.com ([2607:f8b0:4864:20::f30]:34452) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVv-000746-Nd for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:14 -0400 Received: by mail-qv1-xf30.google.com with SMTP id o59so2379720qva.1 for ; Fri, 14 May 2021 08:14:06 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=faTSI+eS0bqFqEREdWJLgJIJnnf/2ZzvZH+BYJ5ylfM=; b=xKZAhxZYENEFEt4Px9ygMyhuYvAsJTenUCmesD0ZoXAyjihL0DL7rlrrbECLZ948cU B/z5kBbiL92BKUNq5/+d+cyLOVDNQ4FqxJuyFKDFOccv3fERVWUjjC3c947wZGOzWVxe iY2XEFVm6xsBiQgqhmxkpyOKpmW82PjW4WuV5002HOGLMZ2aJ+IFIFLSp57/9aD+7GPR 5AjsFhftIOmv8xYq2OcNFLvrRYnFGGoxDTyiiYTMVHjRhU6uwe5GErZ00IkwRO5rt5jM JlauHhozdf01aezep6vxNM9yTylnL0WbWBZb60PrrQo3Syo97/DITrW7fF3dyi41Y87I mdBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=faTSI+eS0bqFqEREdWJLgJIJnnf/2ZzvZH+BYJ5ylfM=; b=onXN3FVHTkBdOFVbLjXksTfsChUPI9LMnf06zNrvJRVdmQ+RKhVwFbbEpV91vBaFJJ hxldin0WMycNV2V+chkSwoRBa8AV4w4doTlWLPm8VFvTiZ2D5nw7AUNmFxilCJrepO2W 9/6gKWghyjuZuq+ZvIubkiA4/lVGv4DTAOl7Znfm40CPWmGcHmMkAux8xT9PIK4UfagI wiRzqKUx+gX0nbz7Rg3gEsokMIHMDggPmTKe32sybPeQ14+ibhfkSdcWxx5BHU/P4rRr tYNbfMzPRUsjRCBlCvnZSO3eJboMr+0hOyCEUe4zLV6K6v+MXwG18LVFJV8CeIXOgNLW T1aQ== X-Gm-Message-State: AOAM533bckyQxzb323FylDG3T/gPmkJ7s/07xD8JVfYX8FtvwLvB0jga XAjKDP79cQFgvhZPUWSDJZxYGMe6fdDlqL2cmcs= X-Google-Smtp-Source: ABdhPJyWC2AOC0D4aWEA8lGDz+wYjuPAIMT22SloRyJKXvUBK3FlvA3tLRcFZS3E6CWGaDbKFKL++w== X-Received: by 2002:ad4:4ee4:: with SMTP id dv4mr46631078qvb.10.1621005246291; Fri, 14 May 2021 08:14:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 24/50] target/i386: Reduce DisasContext popl_esp_hack and rip_offset to uint8_t Date: Fri, 14 May 2021 10:13:16 -0500 Message-Id: <20210514151342.384376-25-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::f30; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf30.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Both of these fields store the size of a single memory access, so the range of values is 0-8. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 1367e53e4e..847502046f 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -106,8 +106,8 @@ typedef struct DisasContext { int repz_opt; /* optimize jumps within repz instructions */ int mem_index; /* select memory access functions */ uint32_t flags; /* all execution flags */ - int popl_esp_hack; /* for correct popl with esp base handling */ - int rip_offset; /* only used in x86_64, but left for simplicity */ + uint8_t popl_esp_hack; /* for correct popl with esp base handling */ + uint8_t rip_offset; /* only used in x86_64, but left for simplicity */ int cpuid_features; int cpuid_ext_features; int cpuid_ext2_features; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006852; cv=none; d=zohomail.com; s=zohoarc; b=eC1CagZYdXYWk3cqJ3ljrNGZwN/5ugdA6gmFt+xdyxz2RXgSC3vP6TEUT4TDFOx24l7SU5cXXdCCeRx0HcCxkscAiDWDmiL1cYCTIOcIbA5/tsvvxO+ahr3UZE+d5hd0J5oZjSUmF0W2O9Ff1Z5UY7hlpdeJLu6wrhhOVewXo9A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006852; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Bxl+9qjjZbgjgK+fQm8+agBUc1OXev/3KIHRw6W9R20=; b=k3Vc18WSiGhOI4MA3UsA0BawewHI30NEjezt5/sHby+GRCxrROfoLFOoxmYvOO+z5dZovCrdG7CQiFuG1+dIzWZ4bii3PfEYa0rIhF3VAYti/O+d/DXKLS9upacFf7kehB4QyrdNR3q37KmczZ84qyO9X3+g39DumwsgIP+3qZo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006852099709.1956054286389; Fri, 14 May 2021 08:40:52 -0700 (PDT) Received: from localhost ([::1]:33680 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZvm-0006ni-FH for importer@patchew.org; Fri, 14 May 2021 11:40:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36988) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZW6-00061v-Qh for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:19 -0400 Received: from mail-qt1-x82f.google.com ([2607:f8b0:4864:20::82f]:41575) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVw-00074S-0a for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:18 -0400 Received: by mail-qt1-x82f.google.com with SMTP id t20so18136588qtx.8 for ; Fri, 14 May 2021 08:14:07 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Bxl+9qjjZbgjgK+fQm8+agBUc1OXev/3KIHRw6W9R20=; b=O1NjLAsHc69mXBV3dS/a4nRTedEbzYLrfcfoQ0EFXtOM9tyO2ucHHrAo9HkAFjGc64 a4GQbWsT1BfjqVeREtShDU2eF2IkX3hCYApwWLA2s6XoBQfm+A+LmF7iqal+/oIEotUM W60ktdTGxC1SuD+RxeM5Lx4QQYtycrFFzMjTHXtyA1sVoBL2eJeuZsI7CpZpQItm71Eo Iush6QYXyDvhJ/Mg69nsH1TDvea/BEHKElju82D8F1gVq9DchAWatym33wBUM1Z5OI41 RbZSmvHR9mp5mq3NhLfPhl4VLmkdMZAlNEv9fL/qe0qN0rP/E5aJY3gWs9x96VCb84MA rQAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Bxl+9qjjZbgjgK+fQm8+agBUc1OXev/3KIHRw6W9R20=; b=Ppqgaa131TOzsaVWBgZRltnFlFUuUnEZln/FTUOhwsB7uDYOAAWZF8JAV56Isebb4r XhB36Q5vouI9vH0aB1W/mR0gbZJywE9NUh4kmFviFk/gTOSD3KLj++NxOeIk10cTwcF8 lxRKAc0/oS95J0PnknTKzWvobs/IQrtFwnJA7XCNfGivecLJG3S8gmkq1dXmiA3wVLNl Ayof8fM+iV+nmvnS0nusV5BpJGQ6iZWJxihbp5whQzfzNogKr16V1ZNkFrlDpcnVtW05 QyHjEEg/g7+Hss7zxL9Vf/0+3j15Cs8FDV+wIWXTvWnpzG+qk4KQcXInQSeXreGA0nSB Ihqw== X-Gm-Message-State: AOAM533B1Y0Vk8xDqbPFJuFCLsSE1LpjbugCaBXIX67t2n3jSZ3WPhuC dVab8wYpDDxTxxi8egLClHlCfU887xQGkI2uDmI= X-Google-Smtp-Source: ABdhPJxFI7gJL9mhEh9Rl2+5X8ld2afj8wV4YGTHYh2atEaMcECOygNo6PwvxWbjvLHibPeJY0VsMA== X-Received: by 2002:aed:3169:: with SMTP id 96mr27569640qtg.164.1621005247227; Fri, 14 May 2021 08:14:07 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 25/50] target/i386: Leave TF in DisasContext.flags Date: Fri, 14 May 2021 10:13:17 -0500 Message-Id: <20210514151342.384376-26-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82f; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" It's just as easy to clear the flag with AND than assignment. In two cases the test for the bit can be folded together with the test for HF_INHIBIT_IRQ_MASK. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 847502046f..3f6214c624 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -101,7 +101,6 @@ typedef struct DisasContext { uint8_t vex_v; /* vex vvvv register, without 1's complement. */ CCOp cc_op; /* current CC operation */ bool cc_op_dirty; - int tf; /* TF cpu flag */ int jmp_opt; /* use direct block chaining for direct jumps */ int repz_opt; /* optimize jumps within repz instructions */ int mem_index; /* select memory access functions */ @@ -2656,7 +2655,7 @@ do_gen_eob_worker(DisasContext *s, bool inhibit, bool= recheck_tf, bool jr) } else if (recheck_tf) { gen_helper_rechecking_single_step(cpu_env); tcg_gen_exit_tb(NULL, 0); - } else if (s->tf) { + } else if (s->flags & HF_TF_MASK) { gen_helper_single_step(cpu_env); } else if (jr) { tcg_gen_lookup_and_goto_ptr(); @@ -5540,7 +5539,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (s->base.is_jmp) { gen_jmp_im(s, s->pc - s->cs_base); if (reg =3D=3D R_SS) { - s->tf =3D 0; + s->flags &=3D ~HF_TF_MASK; gen_eob_inhibit_irq(s, true); } else { gen_eob(s); @@ -5606,7 +5605,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (s->base.is_jmp) { gen_jmp_im(s, s->pc - s->cs_base); if (reg =3D=3D R_SS) { - s->tf =3D 0; + s->flags &=3D ~HF_TF_MASK; gen_eob_inhibit_irq(s, true); } else { gen_eob(s); @@ -8506,7 +8505,6 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(LMA(dc) =3D=3D ((flags & HF_LMA_MASK) !=3D 0)); g_assert(ADDSEG(dc) =3D=3D ((flags & HF_ADDSEG_MASK) !=3D 0)); =20 - dc->tf =3D (flags >> TF_SHIFT) & 1; dc->cc_op =3D CC_OP_DYNAMIC; dc->cc_op_dirty =3D false; dc->popl_esp_hack =3D 0; @@ -8521,8 +8519,8 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) dc->cpuid_ext3_features =3D env->features[FEAT_8000_0001_ECX]; dc->cpuid_7_0_ebx_features =3D env->features[FEAT_7_0_EBX]; dc->cpuid_xsave_features =3D env->features[FEAT_XSAVE]; - dc->jmp_opt =3D !(dc->tf || dc->base.singlestep_enabled || - (flags & HF_INHIBIT_IRQ_MASK)); + dc->jmp_opt =3D !(dc->base.singlestep_enabled || + (flags & (HF_TF_MASK | HF_INHIBIT_IRQ_MASK))); /* Do not optimize repz jumps at all in icount mode, because rep movsS instructions are execured with different paths in !repz_opt and repz_opt modes. The first one was used @@ -8597,7 +8595,7 @@ static void i386_tr_translate_insn(DisasContextBase *= dcbase, CPUState *cpu) =20 pc_next =3D disas_insn(dc, cpu); =20 - if (dc->tf || (dc->base.tb->flags & HF_INHIBIT_IRQ_MASK)) { + if (dc->flags & (HF_TF_MASK | HF_INHIBIT_IRQ_MASK)) { /* if single step mode, we generate only one instruction and generate an exception */ /* if irq were inhibited with HF_INHIBIT_IRQ_MASK, we clear --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006512; cv=none; d=zohomail.com; s=zohoarc; b=nVz6sRwLDCStjBv7DSHQREaeTssG31BVYU+QaDIe+E9ndhxdX8/6ip17d3DT3wc7vPXTJXFjASuHdyd/xbwBW8/Pbh5txpfLBqWb3pB08L8HFEsS+oVyvResgqYarugNYZUquI1GVpbg/YL8/PbVcz7VXLpJ8HMVqSx5ulbSgww= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006512; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=qJoH36NcaZSZ2yzHruKlic3w1esXmUvOLvdzF5tdSBo=; b=kV4DhFYaxJu9WvMo9jm8PtOGlnmNYvXFpafEDGWXGKMEnzVDwJhu7OLrkyOzacyYBgWzxX6hzklp3CT5VBTa4FJvwyqjgYh01rknjA28wJ8SHTFfAMACtZYRAbKTPwI9Dk3mCCPfjr/0d7gZkGTVNgVq1PhuPNrqavME/VSRpek= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006512232984.386412340119; Fri, 14 May 2021 08:35:12 -0700 (PDT) Received: from localhost ([::1]:45368 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZqI-0003Pg-8u for importer@patchew.org; Fri, 14 May 2021 11:35:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36920) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZW2-0005z6-Av for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:14 -0400 Received: from mail-qt1-x82d.google.com ([2607:f8b0:4864:20::82d]:33471) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVx-00075C-9C for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:13 -0400 Received: by mail-qt1-x82d.google.com with SMTP id 1so22444851qtb.0 for ; Fri, 14 May 2021 08:14:08 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82d; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 3f6214c624..b9b94f0625 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -101,8 +101,8 @@ typedef struct DisasContext { uint8_t vex_v; /* vex vvvv register, without 1's complement. */ CCOp cc_op; /* current CC operation */ bool cc_op_dirty; - int jmp_opt; /* use direct block chaining for direct jumps */ - int repz_opt; /* optimize jumps within repz instructions */ + bool jmp_opt; /* use direct block chaining for direct jumps */ + bool repz_opt; /* optimize jumps within repz instructions */ int mem_index; /* select memory access functions */ uint32_t flags; /* all execution flags */ uint8_t popl_esp_hack; /* for correct popl with esp base handling */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006617; cv=none; d=zohomail.com; s=zohoarc; b=KCaucxnjkRX+GxWTFLTutg66uoxs8zzzObuYyqkrApIbTWcZzr086Lqe/oOx7OT1xGZ7CLRMVl9PtJDBX471MJ6o/pEjatrZAKB16ht0ef7lhkp9WbQgAX9v4iknIfgsNRYPCgDo8CEcyWvj5bb7DRUvAMcZ1e8O0G9UNoy4+GI= ARC-Message-Signature: i=1; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qJcCLa/TGkZYVT5SI8s5q1rBnIGUHoLZECCGKcnM1Zg=; b=V44+2pmj1ERTQ10UUsFaTLyMfzRf4UoSkFBlmzUSHNFYOI+Wsu2lHS4M8svTlI/9sc o6P7YLjU0H9VGREBYxB2+CJjVhtKj7OiPnDbLG2pSElvZ4NjJmATd9sY3lfBfaoucz6c q2B4Qq5NsIvp4qW+H3KnILLE0PcIkpv46GPvgQR3j2nu0ebHRVwTGHnC/wNwRQZfB7xR jZDcpvb9d4hJzcLTNXIXh14SI7LAl3hDCt6Ko/JNgnDq4pzlrITVV9QJ4K7wukIXQq51 FmqYDddQAkgkXiU8xBpqJVSrLv83DDNmYafVlT7azavz0SRaK9S/e1Yc152F6Z3ZZBJf jN9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qJcCLa/TGkZYVT5SI8s5q1rBnIGUHoLZECCGKcnM1Zg=; b=XioRgmLGzsr5ekBGcyHtzcuYGNvBZ3MAugB9QKHlE4AlIEyKjxb11qSWnO4q+Kf6pv Uzk99UgixcHI5ImiBO4Tk0PqqKTLRLR581hcXoj3au0CtL4aktJNKJl3hvB/r7hqZQhw ePG7WM2NY1Umh7E3I1IsnbpzF7T+DD7YMAo+gwbsL/GaeLvnOSghqSOhA2KlwS4KTHIg RHYHipIKLtZ1B14tqc192xQM9peGb4hKxH+PEKO8hMD0/gpgC0wj7yjN+9OPCcSU8tFW bvrf07HbTf+9VvF3YBBsGiqZzC/wpONuVwLddy1ePsAK2HjbZNLBvqr08VwvwqZnKiF2 R5Aw== X-Gm-Message-State: AOAM531cNAURxIdCKzzK4kgZmrfNRe3KVu9LI4goke0kD/BXzdhTPjAq 7ERG+Pls/KKnIsu+8OP6F8WN1MMaui6Q+kAF5iA= X-Google-Smtp-Source: ABdhPJzts1P+Wb6JkQVpLC8OiA9xAozKW6yHs9N6uw5gDRqzh0W1tvZsyaR+0kxqnYD6wvu+VjKUaQ== X-Received: by 2002:a37:444d:: with SMTP id r74mr2444027qka.291.1621005249085; Fri, 14 May 2021 08:14:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 27/50] target/i386: Fix the comment for repz_opt Date: Fri, 14 May 2021 10:13:19 -0500 Message-Id: <20210514151342.384376-28-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::72c; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" After fixing a typo in the comment, fixup for CODING_STYLE. Signed-off-by: Richard Henderson --- target/i386/tcg/translate.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index b9b94f0625..d48c0f82a9 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -8521,15 +8521,16 @@ static void i386_tr_init_disas_context(DisasContext= Base *dcbase, CPUState *cpu) dc->cpuid_xsave_features =3D env->features[FEAT_XSAVE]; dc->jmp_opt =3D !(dc->base.singlestep_enabled || (flags & (HF_TF_MASK | HF_INHIBIT_IRQ_MASK))); - /* Do not optimize repz jumps at all in icount mode, because - rep movsS instructions are execured with different paths - in !repz_opt and repz_opt modes. The first one was used - always except single step mode. And this setting - disables jumps optimization and control paths become - equivalent in run and single step modes. - Now there will be no jump optimization for repz in - record/replay modes and there will always be an - additional step for ecx=3D0 when icount is enabled. + /* + * Do not optimize repz jumps at all in icount mode, because + * rep movsS instructions are executed with different paths + * in !repz_opt and repz_opt modes. The first one was used + * always except single step mode. And this setting + * disables jumps optimization and control paths become + * equivalent in run and single step modes. + * Now there will be no jump optimization for repz in + * record/replay modes and there will always be an + * additional step for ecx=3D0 when icount is enabled. */ dc->repz_opt =3D !dc->jmp_opt && !(tb_cflags(dc->base.tb) & CF_USE_ICO= UNT); =20 --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006680; cv=none; d=zohomail.com; s=zohoarc; b=G+iuuDIqhQSrxlFeKYFQTA9PpUwm5AfIgqOb9XvRXrjD8z9bdc1bn2Ii9t5D9dBU6fOgPUfZK9YlseRJCE+IRUHgkUdczkl+/Pvqy/SMFq5TeZtaVfW3NcBGPxPmFXuGzawcYz/hGSTTeexeqrUQ/6BKNfAJKPR2RguFJ/O0YU8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006680; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=xSG0WK6aqqzArID2n/deDaww/C15r1oi1z+ppOwhpzI=; b=hf083k6NNQWwq3+sSaMJfCs4/zhdzJQ9DxYyQoUXzOOsRGq+98z1X5SLEFGclvTMMXjqpGcUkWSdoEtW+lpq5USqCI0fhJqKQ5BOP0k3mURhmoKCp84txC0NVEczW6J+eSQv11fkAzDEnNqiwM/1PqSr+uYRAHHZxuYx27EzRLI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006680709576.3875919481194; Fri, 14 May 2021 08:38:00 -0700 (PDT) Received: from localhost ([::1]:53642 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZt1-0000vR-0K for importer@patchew.org; Fri, 14 May 2021 11:37:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36948) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZW3-00060H-P1 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:16 -0400 Received: from mail-qt1-x836.google.com ([2607:f8b0:4864:20::836]:34715) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVz-00075p-AP for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:15 -0400 Received: by mail-qt1-x836.google.com with SMTP id v4so13606053qtp.1 for ; Fri, 14 May 2021 08:14:10 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xSG0WK6aqqzArID2n/deDaww/C15r1oi1z+ppOwhpzI=; b=HmLWvw2uLLghBDnbOAF9nksua1dSk4bDfsiZ54Jg1L4jk6GXFA33YwGADw18iBBeHY TxCLxmg2YGi7VAqDZKzpB4GNL2b+IMX6myJdQlLOqNQ65iGPWJnrgPL516Q4udd3kc+h PoOC0dKv3FlldDLeMTCvR9EusWdFYG0fuMq7x8Bnh6lT7FzR7bvcsBnBNrKIpu8dQQgl b2c2uKJaztIE0HL7T4gEKazJoQhjo+vt5SXKu66MZB6ukh2yv+Sf/IGQVfYZPqQtLXq5 smYZm4NmSBbwHxk+55kj070bwOYmNxQL3N4tlDveSDoVTqibSh2G1PLmzovUxqyVxytQ JSzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xSG0WK6aqqzArID2n/deDaww/C15r1oi1z+ppOwhpzI=; b=U0CKKL7Lyhpkdbs9YPIuIp++HLQ9/SRiGCpQXG/4ggP8YTxYYOOt1hBHZ4H9uxYpwE gFXNtzbt0mgGy4djCZI4dtU611mcBUpPmAGvxt/7jXJz1rtRbTTzTtS9C83l4OWbtqZi CNtAd704vO6y3coP1a8ZLixwmAkAdXinVD6cbmwo7cVguZdHelDuYhHfnGYMfWwJuzYC E0WsEP8UMCF/T6aKarGZaM4xtP6pyDOskEaS3/wpb6yHbFYFm5DL0chyUvtJ7VP9U/Aq 1ke22PRkm3XAB94oTK4T0n/wyjVuWwAgTYd+AgMXXwzt3xOENNTrhBu5QXEN/pqlopeA NPfg== X-Gm-Message-State: AOAM532a45kp34tcYdPpnUHx7c9KrgWpLqbqkNhxUFf53TugE9hsyb13 0499FZwsbtwOkdlu908OxjC25W7YB1/dfeovxuw= X-Google-Smtp-Source: ABdhPJyECpb1PgttLyb9SaP3588VRb97ZagdvPJ4C1fMlfjhDnOhklEkwjIMvLw+mOvL1yQGn4CZgA== X-Received: by 2002:ac8:5d10:: with SMTP id f16mr42753227qtx.123.1621005249982; Fri, 14 May 2021 08:14:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 28/50] target/i386: Reorder DisasContext members Date: Fri, 14 May 2021 10:13:20 -0500 Message-Id: <20210514151342.384376-29-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::836; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x836.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Sort all of the single-byte members to the same area of the structure, eliminating 8 bytes of padding. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index d48c0f82a9..18f1c0342f 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -76,20 +76,24 @@ static TCGv_i64 cpu_bndu[4]; typedef struct DisasContext { DisasContextBase base; =20 - /* current insn context */ - int8_t override; /* -1 if no override, else R_CS, R_DS, etc */ - uint8_t prefix; + target_ulong pc; /* pc =3D eip + cs_base */ + target_ulong pc_start; /* pc at TB entry */ + target_ulong cs_base; /* base of CS segment */ + MemOp aflag; MemOp dflag; - target_ulong pc_start; - target_ulong pc; /* pc =3D eip + cs_base */ - /* current block context */ - target_ulong cs_base; /* base of CS segment */ + + int8_t override; /* -1 if no override, else R_CS, R_DS, etc */ + uint8_t prefix; =20 #ifndef CONFIG_USER_ONLY uint8_t cpl; /* code priv level */ uint8_t iopl; /* i/o priv level */ #endif + uint8_t vex_l; /* vex vector length */ + uint8_t vex_v; /* vex vvvv register, without 1's complement. */ + uint8_t popl_esp_hack; /* for correct popl with esp base handling */ + uint8_t rip_offset; /* only used in x86_64, but left for simplicity */ =20 #ifdef TARGET_X86_64 uint8_t rex_r; @@ -97,16 +101,13 @@ typedef struct DisasContext { uint8_t rex_b; bool rex_w; #endif - uint8_t vex_l; /* vex vector length */ - uint8_t vex_v; /* vex vvvv register, without 1's complement. */ - CCOp cc_op; /* current CC operation */ - bool cc_op_dirty; bool jmp_opt; /* use direct block chaining for direct jumps */ bool repz_opt; /* optimize jumps within repz instructions */ + bool cc_op_dirty; + + CCOp cc_op; /* current CC operation */ int mem_index; /* select memory access functions */ uint32_t flags; /* all execution flags */ - uint8_t popl_esp_hack; /* for correct popl with esp base handling */ - uint8_t rip_offset; /* only used in x86_64, but left for simplicity */ int cpuid_features; int cpuid_ext_features; int cpuid_ext2_features; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006802; cv=none; d=zohomail.com; s=zohoarc; b=V9PaV1Q1k0iW51ffd0R/N01WkABR+f0xxiAdeBomw4xfQug3R81O7k/DSudQTQybCzGJIlMCbSM2RS5XYlbeBi8ERthdeo+NItEaC7/roDUa1kb1UVYorNj9Yu8KjvYEMmH/XEO2ywfLnKaZyQImnXgt7x4J+4YcioO8Lcijblw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006802; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=VTpy/Og8hbUEtKjJH+7V9MTBsQkYzyPwOl+JughmbMQ=; b=OgBgFQsTTsuGAdpAi5f6sJ4zNrbJZeSJA0eh1kn34TaA3oKS8XjXCYLYhqr3qXU0Ag7SVLnOh1meAAmgtHpdHTvmh4Pt+XOoypdyCiNIHqR6/QPWAdDAqJo4JWzVXX5JgnxhBcJZXUOfz+eFx0S0EJjXkUSrkmpN2a08DF6/SR8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006802991627.7962795914033; Fri, 14 May 2021 08:40:02 -0700 (PDT) Received: from localhost ([::1]:58804 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZuz-0004bM-4p for importer@patchew.org; Fri, 14 May 2021 11:40:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37032) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZWA-00064H-3s for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:22 -0400 Received: from mail-qv1-xf2e.google.com ([2607:f8b0:4864:20::f2e]:44921) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZVz-00075x-LU for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:21 -0400 Received: by mail-qv1-xf2e.google.com with SMTP id u1so15587950qvg.11 for ; Fri, 14 May 2021 08:14:11 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VTpy/Og8hbUEtKjJH+7V9MTBsQkYzyPwOl+JughmbMQ=; b=N9GPbYB8ZDRqCwl5rlMfEumeeadBFzGcA8eC8uuQwyfNl9tsFKrjDtPLnAy+4GoCCS jUds6j7j0YpQHmZ1aJaYTZuhsPXzJapyFaT4kMEJBK2e1j8Ayt6hnNzcwNGXI/7c45SN LoqO7dJ58Kq9Chl1BcM1FVJtbxCwmCrvQtmUOq/WKdSVyiTi4Nr5+kshCiiaMNBxIlSX 2QxEzJwitFSM8YJ0SYGF0lHBSvgaJRQYPLroGYAOWznwqsAGKgCcp4W0dLd23Bu8d434 l6R+l3jO+gLMohxsYwhFSxd3SuVaCtc6FrYY4jpr/V3LCUHB8lcNds9xXpaSmtnQi20J qj8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VTpy/Og8hbUEtKjJH+7V9MTBsQkYzyPwOl+JughmbMQ=; b=SfhPF4WKi/rezNPE/wYM/ivGUmwijD3RdWYVDXoBbvkcpjjYbv8vGCa4VIuC/HfHHp l0/rjV9H5xtu6SUwY/sqTUOsjRCWffOY4BKD6b9QaT3pblsUoCKw2mSSKycxJ0PIq6UJ aDH1ws1Vx2hyNwTAyrrdCYcCWs1gVneiXWFMZF6Ee+pxPtNd9hs56/7W1R37lxdUzWzU Bem2svX9VQram02nWTAPSX5JduoNn6pG5JMhlf+DZ5kvNZnVcPE4e0XOBCyZIWTm1CCb yIhQpu1HBjCELbYMfjZKHqb7S4T/3S2e7nhUERfc0fUd6H5EprcCHaTFyTyOfc7Q48OV LO3Q== X-Gm-Message-State: AOAM533AToVfPwQus59bsNBTc6iHK4LdlR3lEHqmcbb/8XwYaS5NRbLJ W4j5hUMD4QEo1gLuP/3b4TgPnv5L2Thlcf8U/tw= X-Google-Smtp-Source: ABdhPJwronTb8uKp/K9nuvnM5K5q7YC1spE/7aZ20K/fULJNXiwlOiKbdtNbNQf8MxRaBAlWHJ9Yhw== X-Received: by 2002:a0c:f685:: with SMTP id p5mr4581502qvn.61.1621005250906; Fri, 14 May 2021 08:14:10 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 29/50] target/i386: Add stub generator for helper_set_dr Date: Fri, 14 May 2021 10:13:21 -0500 Message-Id: <20210514151342.384376-30-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::f2e; envelope-from=richard.henderson@linaro.org; helo=mail-qv1-xf2e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This removes an ifdef from the middle of disas_insn, and ensures that the branch is not reachable. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 18f1c0342f..a510dd10b1 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -179,6 +179,19 @@ typedef struct DisasContext { #define REX_B(S) 0 #endif =20 +/* + * Many sysemu-only helpers are not reachable for user-only. + * Define stub generators here, so that we need not either sprinkle + * ifdefs through the translator, nor provide the helper function. + */ +#define STUB_HELPER(NAME, ...) \ + static inline void gen_helper_##NAME(__VA_ARGS__) \ + { qemu_build_not_reached(); } + +#ifdef CONFIG_USER_ONLY +STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) +#endif + static void gen_eob(DisasContext *s); static void gen_jr(DisasContext *s, TCGv dest); static void gen_jmp(DisasContext *s, target_ulong eip); @@ -8075,7 +8088,6 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x121: /* mov reg, drN */ case 0x123: /* mov drN, reg */ if (check_cpl0(s)) { -#ifndef CONFIG_USER_ONLY modrm =3D x86_ldub_code(env, s); /* Ignore the mod bits (assume (modrm&0xc0)=3D=3D0xc0). * AMD documentation (24594.pdf) and testing of @@ -8104,7 +8116,6 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_helper_get_dr(s->T0, cpu_env, s->tmp2_i32); gen_op_mov_reg_v(s, ot, rm, s->T0); } -#endif /* !CONFIG_USER_ONLY */ } break; case 0x106: /* clts */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006145; cv=none; d=zohomail.com; s=zohoarc; b=dJRPRwN4J3sg4J+eCGKZo+S/D3t/FnCavO6v7MgmIGkPwmRN42ia2hbJ7O8p/Be2EbhWWU+w/t+x/fVoeIFv+UpaZJ2BW8OaFMKza+SuArOL7b/00EUGJK2BG6gY5oApPobQi2xCEQCNGNXiYd37FCmhAF9ySMPAQvBfhEdx4cc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006145; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=CrfxTZRA7qN0Z5drn+/sSV4gRDlNsw1/Au2ePe0MFvM=; b=N1lk5AnnN3jTnrjk83tkcHH4PoHHd6SAD22BAmRpR4+YZ3z6ev8J7d2En9VHO3UVvREc21epfKrc/zp1QP2Zn47zdleOHGVA+qzSAuvhekrz3GBX1xzCUWRJ0TXJwkp2aAW0XGUZ2hcki3XppA+d3oO5i4cITjYVL6L3wnMI6sE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006145303631.7960375243116; Fri, 14 May 2021 08:29:05 -0700 (PDT) Received: from localhost ([::1]:34816 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZkO-00045u-4X for importer@patchew.org; Fri, 14 May 2021 11:29:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37014) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZW9-00063F-81 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:21 -0400 Received: from mail-qk1-x734.google.com ([2607:f8b0:4864:20::734]:44947) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZW1-000778-0A for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:21 -0400 Received: by mail-qk1-x734.google.com with SMTP id a2so29009121qkh.11 for ; Fri, 14 May 2021 08:14:12 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CrfxTZRA7qN0Z5drn+/sSV4gRDlNsw1/Au2ePe0MFvM=; b=kPsGusZI0jEQc/C99bqGL21nspwtrSTNyBlb7fWbldxOfkNaYD3u5yrsSyst70mRXU UJG0dKEchRCZNFUIYs8e16O+VYplMDHI8MsR+pb4RgAsYjxUeCZMcFkl3kRc8UcXNkPD ms5DczeGz/S73jIezxAFamzODFqGjzOiIjQ5aq5lCCf58ULJTY3OuK+Gw5nVbzKwiiax WlKUir73cO0bPLwYOyY8vxg4NK2LYpgjwHP3+f8cpzTXlICIsBslT5IRRpVWFo5vND+M CVxlfNw0nRIBaV6slun6gL9MBd2Cxle8gizqx6SsErtXqyqdCoHLoy0M74tQoF4CiUyJ aOMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CrfxTZRA7qN0Z5drn+/sSV4gRDlNsw1/Au2ePe0MFvM=; b=EqjXZMMn61UTmlJV+dT6dTtwnap3KxwhYn8AI0AViv71/7UHlW3Aw+G/TOPhxVxjo+ HP3fiVdW67jNi2Xq1xMIKE8qgmlPQOtAGNKj0/MxJOXBsxMcpvWaLvdTHdO+FFVNAh2t Wf2alUgn1ekVwBCCH/KOProgykk0ae/Me5AWXcAAwUi4Ryg4v6S+yu54HEoFeFe6dVc4 c25acIztZ2CZ55G929WYqhv1qIipdpZFiRFhrYFmn/NW/YegWNZ8oes1vc7TwLvXiLJ+ YNafqscp8QF05z+lwNZliqP0jFUvU2OMvSSRj29ggY9XTZtxdDKQ8oG5xCW/ztkjSxd8 xg+w== X-Gm-Message-State: AOAM532njypQ2jg50s35Y5tquqUCgI+vs/5saYRiRdFKsi8ZwOq+P2jN h3atsZUS2Kqfmf4HYEYvrgxxcHbkF6MYpwlDRAI= X-Google-Smtp-Source: ABdhPJyZZnyeyOLnvd3DsFpg0I2iqPJL+V50Nyb0uSH2dCO8kLsqcyW2FwPpBRcl+PvzDdVV7oVYXg== X-Received: by 2002:a05:620a:22c3:: with SMTP id o3mr44645236qki.220.1621005251707; Fri, 14 May 2021 08:14:11 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 30/50] target/i386: Assert !SVME for user-only Date: Fri, 14 May 2021 10:13:22 -0500 Message-Id: <20210514151342.384376-31-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::734; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x734.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Most of the VMM instructions are already disabled for user-only, by being usable only from ring 0. The spec is intentionally loose for VMMCALL, allowing the VMM to define syscalls for user-only. However, linux does not do so; VMMCALL is illegal. Signed-off-by: Richard Henderson --- target/i386/tcg/translate.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index a510dd10b1..f58e0f480a 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -138,10 +138,12 @@ typedef struct DisasContext { #define PE(S) true #define CPL(S) 3 #define IOPL(S) 0 +#define SVME(S) false #else #define PE(S) (((S)->flags & HF_PE_MASK) !=3D 0) #define CPL(S) ((S)->cpl) #define IOPL(S) ((S)->iopl) +#define SVME(S) (((S)->flags & HF_SVME_MASK) !=3D 0) #endif #if defined(CONFIG_USER_ONLY) && defined(TARGET_X86_64) #define VM86(S) false @@ -7495,7 +7497,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xd8: /* VMRUN */ - if (!(s->flags & HF_SVME_MASK) || !PE(s)) { + if (!SVME(s) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7510,7 +7512,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xd9: /* VMMCALL */ - if (!(s->flags & HF_SVME_MASK)) { + if (!SVME(s)) { goto illegal_op; } gen_update_cc_op(s); @@ -7519,7 +7521,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xda: /* VMLOAD */ - if (!(s->flags & HF_SVME_MASK) || !PE(s)) { + if (!SVME(s) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7531,7 +7533,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xdb: /* VMSAVE */ - if (!(s->flags & HF_SVME_MASK) || !PE(s)) { + if (!SVME(s) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7543,8 +7545,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xdc: /* STGI */ - if ((!(s->flags & HF_SVME_MASK) - && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) + if ((!SVME(s) && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || !PE(s)) { goto illegal_op; } @@ -7558,7 +7559,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xdd: /* CLGI */ - if (!(s->flags & HF_SVME_MASK) || !PE(s)) { + if (!SVME(s) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -7570,8 +7571,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xde: /* SKINIT */ - if ((!(s->flags & HF_SVME_MASK) - && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) + if ((!SVME(s) && !(s->cpuid_ext3_features & CPUID_EXT3_SKINIT)) || !PE(s)) { goto illegal_op; } @@ -7581,7 +7581,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 case 0xdf: /* INVLPGA */ - if (!(s->flags & HF_SVME_MASK) || !PE(s)) { + if (!SVME(s) || !PE(s)) { goto illegal_op; } if (!check_cpl0(s)) { @@ -8516,6 +8516,7 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(SS32(dc) =3D=3D ((flags & HF_SS32_MASK) !=3D 0)); g_assert(LMA(dc) =3D=3D ((flags & HF_LMA_MASK) !=3D 0)); g_assert(ADDSEG(dc) =3D=3D ((flags & HF_ADDSEG_MASK) !=3D 0)); + g_assert(SVME(dc) =3D=3D ((flags & HF_SVME_MASK) !=3D 0)); =20 dc->cc_op =3D CC_OP_DYNAMIC; dc->cc_op_dirty =3D false; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UaYAe5QyMjHdbZineA/jxEEnCCicUCmEv0WMWg8ZIk4=; b=Y1d9PQwUn6WVAqTzczGu7fhExFt5xb4zJeuXmLoFipm0awK6GWXn1huVyI8di7myOR Ys4W0W9WjkfWuHVqhDLCaT828Gwtogfo8NItQu8VaoOdEDLkUhKY68K6EBroDkQJpNAW Ng+mDgb9e197GXhpFZtvb5memmlEc9MN6S+OjOyxgZTVKXRsut6f8wGGOeV98cqz0KbA CQRpNBos4/JYiaKIs0SK7W0J0uc00sYibQScyVI8VsMOpGCQw0UJJYimFXcq6gCLG2xx Qjb573cqqcNEfEJsgnXJINSdlzsuL9ufY3Lm43SEbwa2EYSatwPjvaWpkxOZNKRQ6ETC X1vg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UaYAe5QyMjHdbZineA/jxEEnCCicUCmEv0WMWg8ZIk4=; b=fW/Riw06YUgvcveO/AfoIv8bISvU2rS9WR9tpM8xQGhhjO20N3Medx/BnTT8LJK349 UXAjFvQhO4cIVEwll7uyfwQpDu7FcAedJ7luL6BmjC8oMmSGH17EeGYR+Dzhe7fuHOtg 8eKV0b+uFoIVx41WqQOKV4nrka55WkyNQj5rEA/A+OpmC9yy9nDS6SuxsI6gKl7/F76c Tc3aFoDBbm3lVBYpRXCY+xNZV/auhivZRSGNgSYr0y2h/Jq5gkuty5fxkQaDi5LyRaRJ i5nBtyG3xLlUgVYlwANT1IWzQEUIISBjtBWHplaY/dLE0VD54Lx5Pl2zBm+k9uE6nLjr H7gQ== X-Gm-Message-State: AOAM530Tiq8DqQ5YavKTjGjtxgARMYRL2HorPKgUkj9YKwzzHzPI5k3c xuJV4jMI+/SZBLApfsOTvoliMIa+bVvvRCde0Fo= X-Google-Smtp-Source: ABdhPJxBrSAGgYvtkE7eMffU2PbMzmmnKylnFg1LGgcMX4PIFTmU8/7VXUQsokqDWT4PPLsU5zKkyQ== X-Received: by 2002:a05:622a:183:: with SMTP id s3mr22700619qtw.115.1621005252528; Fri, 14 May 2021 08:14:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 31/50] target/i386: Assert !GUEST for user-only Date: Fri, 14 May 2021 10:13:23 -0500 Message-Id: <20210514151342.384376-32-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::829; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x829.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" For user-only, we do not need to check for VMM intercept. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index f58e0f480a..57ae515796 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -139,11 +139,13 @@ typedef struct DisasContext { #define CPL(S) 3 #define IOPL(S) 0 #define SVME(S) false +#define GUEST(S) false #else #define PE(S) (((S)->flags & HF_PE_MASK) !=3D 0) #define CPL(S) ((S)->cpl) #define IOPL(S) ((S)->iopl) #define SVME(S) (((S)->flags & HF_SVME_MASK) !=3D 0) +#define GUEST(S) (((S)->flags & HF_GUEST_MASK) !=3D 0) #endif #if defined(CONFIG_USER_ONLY) && defined(TARGET_X86_64) #define VM86(S) false @@ -677,7 +679,7 @@ static void gen_check_io(DisasContext *s, MemOp ot, tar= get_ulong cur_eip, tcg_abort(); } } - if(s->flags & HF_GUEST_MASK) { + if (GUEST(s)) { gen_update_cc_op(s); gen_jmp_im(s, cur_eip); svm_flags |=3D (1 << (4 + ot)); @@ -2417,8 +2419,9 @@ gen_svm_check_intercept_param(DisasContext *s, target= _ulong pc_start, uint32_t type, uint64_t param) { /* no SVM activated; fast case */ - if (likely(!(s->flags & HF_GUEST_MASK))) + if (likely(!GUEST(s))) { return; + } gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); gen_helper_svm_check_intercept_param(cpu_env, tcg_const_i32(type), @@ -8517,6 +8520,7 @@ static void i386_tr_init_disas_context(DisasContextBa= se *dcbase, CPUState *cpu) g_assert(LMA(dc) =3D=3D ((flags & HF_LMA_MASK) !=3D 0)); g_assert(ADDSEG(dc) =3D=3D ((flags & HF_ADDSEG_MASK) !=3D 0)); g_assert(SVME(dc) =3D=3D ((flags & HF_SVME_MASK) !=3D 0)); + g_assert(GUEST(dc) =3D=3D ((flags & HF_GUEST_MASK) !=3D 0)); =20 dc->cc_op =3D CC_OP_DYNAMIC; dc->cc_op_dirty =3D false; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006681; cv=none; d=zohomail.com; s=zohoarc; b=E3FcRbIHE008j++wgwb9mrya7fWV2pdXY6u0LKn/k+s1ZPzQc9KGnsmRL9SCkkaFfTDJhCMSsafR9GGE80Ep15dYy4fcXwoSMCSGC+YSFb75WgSzoZjqNREZU6juNoy6QmqyGUD6nVYON3dg2kSz7pyWSbMbQFaQ0T4vBdvTYHo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006681; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Ur+FEBIPEpzkrS9ckyRA/1MIuAhPbqvvO8o/uVK389I=; b=Jxy7K4EFb7bNA48f9p+Q8LX/Qr/Nc4F/zqoKbs9V4904GoosxhJcdxRniv7YqtNb9xEKvsE+UjyLrOm+3+7U7jfJ+puuO230SxlRdKobklIbClxcEEl+FNrZQgoe50qE8KEvA8t8jN3vOQnvv3ccsGgwj2s0UvEvb/5mPUYuMQ4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006681933432.7058239234749; Fri, 14 May 2021 08:38:01 -0700 (PDT) Received: from localhost ([::1]:53820 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZt2-00013G-5w for importer@patchew.org; Fri, 14 May 2021 11:38:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37006) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZW8-00062s-O0 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:21 -0400 Received: from mail-qk1-x734.google.com ([2607:f8b0:4864:20::734]:33397) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZW3-00077K-Fz for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:20 -0400 Received: by mail-qk1-x734.google.com with SMTP id f29so16773996qka.0 for ; Fri, 14 May 2021 08:14:13 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Ur+FEBIPEpzkrS9ckyRA/1MIuAhPbqvvO8o/uVK389I=; b=wsErnXgRO6CtFr0Mho/xPAqnHZPTG0czsUZI4zr9GL0Uwp6Og33b9aG/V+Uq4BfO3H t1PrpO1MCXZoSqYIPAIZT5ZYqSRxVqM7nf2KDGcAogICSF2mPRlh6FxOenK/MqfqKf0n EPCHTru/FJKeeprfg+vOcIB7eAzBH57g5bSCXO0CYUAEr2D1qcQUag3+DGKRrWiv3qn1 +sxYO9fbFxNAXki/hEAukHD3VT9gKy+xpUjdH/n/78D2TE+OoUrgi49YbXd/vT/ZhkE3 2ADDD6JgozsvNCLFH2+tLrb0ZgMYYOfRwmArameHzd6ujlHEi0jI4jF7fqemiF2P4SF3 j9Zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Ur+FEBIPEpzkrS9ckyRA/1MIuAhPbqvvO8o/uVK389I=; b=MmEotjF/27eDJ5+g108+CmK5Cd1sfeSzVYNLou3pvXvA1TFTU7nLklxhQH8G5Qi82U 1NYeOic1ewO6WqV/1ek6OCJQEPBaN76+aeaxHPYlb9B46LZoxNd13iaWNwQR5ejRVACg KD6Y3FHV9D3sHfIVHfcrv7foCvW0fa80gfGcXDC9zF0Zk2CDwSTU4AFBU2+aVW7b60/9 WTupCTl2cXh5il0X7sGbly/1D2tbLiEmJ9QfIQpUMOHRjwVDxrjG56uBvr3IW1fnSTaS +tMaiip8vHl9osfr2emb6kn7wIwFeufs6nhM6sbjMXOT+Cv/D3YVm9/dejWYyW/iicqi P96Q== X-Gm-Message-State: AOAM531xPt842BlKppDL1FAWJCYBKmKgw/H5Xw1Kn5YDHkVpUIrJAe2y cZQFKYkM0B9ZWG05FYkOqk4NZjkhhLExuaiThCw= X-Google-Smtp-Source: ABdhPJyzHRDM9iFc4hFacSSPsxmu5MX79Mbd0/45YaKA9xqS040h5gz/7dl6l/TwsTYoBqK02PxW1Q== X-Received: by 2002:a37:2714:: with SMTP id n20mr42912160qkn.434.1621005253474; Fri, 14 May 2021 08:14:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 32/50] target/i386: Implement skinit in translate.c Date: Fri, 14 May 2021 10:13:24 -0500 Message-Id: <20210514151342.384376-33-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::734; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x734.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Our sysemu implementation is a stub. We can already intercept instructions for vmexit, and raising #UD is trivial. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 1 - target/i386/tcg/sysemu/svm_helper.c | 7 ------- target/i386/tcg/translate.c | 7 +++---- target/i386/tcg/user/svm_stubs.c | 4 ---- 4 files changed, 3 insertions(+), 16 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index 095520f81f..7a09efd55b 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -117,7 +117,6 @@ DEF_HELPER_2(vmload, void, env, int) DEF_HELPER_2(vmsave, void, env, int) DEF_HELPER_1(stgi, void, env) DEF_HELPER_1(clgi, void, env) -DEF_HELPER_1(skinit, void, env) DEF_HELPER_2(invlpga, void, env, int) =20 /* x86 FPU */ diff --git a/target/i386/tcg/sysemu/svm_helper.c b/target/i386/tcg/sysemu/s= vm_helper.c index c4e8e717a9..79c73d67af 100644 --- a/target/i386/tcg/sysemu/svm_helper.c +++ b/target/i386/tcg/sysemu/svm_helper.c @@ -412,13 +412,6 @@ void helper_clgi(CPUX86State *env) env->hflags2 &=3D ~HF2_GIF_MASK; } =20 -void helper_skinit(CPUX86State *env) -{ - cpu_svm_check_intercept_param(env, SVM_EXIT_SKINIT, 0, GETPC()); - /* XXX: not implemented */ - raise_exception(env, EXCP06_ILLOP); -} - void helper_invlpga(CPUX86State *env, int aflag) { X86CPU *cpu =3D env_archcpu(env); diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 57ae515796..aeb72cd846 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -7578,10 +7578,9 @@ static target_ulong disas_insn(DisasContext *s, CPUS= tate *cpu) || !PE(s)) { goto illegal_op; } - gen_update_cc_op(s); - gen_jmp_im(s, pc_start - s->cs_base); - gen_helper_skinit(cpu_env); - break; + gen_svm_check_intercept(s, pc_start, SVM_EXIT_SKINIT); + /* If not intercepted, not implemented -- raise #UD. */ + goto illegal_op; =20 case 0xdf: /* INVLPGA */ if (!SVME(s) || !PE(s)) { diff --git a/target/i386/tcg/user/svm_stubs.c b/target/i386/tcg/user/svm_st= ubs.c index 97528b56ad..63b37f0de6 100644 --- a/target/i386/tcg/user/svm_stubs.c +++ b/target/i386/tcg/user/svm_stubs.c @@ -46,10 +46,6 @@ void helper_clgi(CPUX86State *env) { } =20 -void helper_skinit(CPUX86State *env) -{ -} - void helper_invlpga(CPUX86State *env, int aflag) { } --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007087; cv=none; d=zohomail.com; s=zohoarc; b=ddZfw4WJbE9XPe/uf0UWUgZe3kkpdZXuKTS6Y9jWdG1CLKlqwQIeEC2nfQmAIOXK4QuDU4MBCL9Aa0qIV8YujKsJN2PwG7JJfsKTymf2kOHUCb7kzdcx8+8BKO7cBV21lWqiamN64UoOUC+KTawKTPh1Nm2nCxZC83dRwDaYDOA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007087; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=3YtdsZVGY71CO6vpGl3MIh8sBMcWUiJTk6gvp8+iKQ0=; b=FZzxaoxVWYJfo2xrj8nvKh36+ftBsM1tTFAR09z3uA2HXcUuM0o9wpe3Vc9Nt/v2P5PgZ8Tnvv4WwtrMwNfZ3SXhjPr+j9cLK8CQI8Yeab76onvENhcw7xyLUD0roQdYGgkChdfUrkrz+1zi8Fl4huOjbT/dScoomZh6lj2rOf0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621007087815948.5017069202069; Fri, 14 May 2021 08:44:47 -0700 (PDT) Received: from localhost ([::1]:42304 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZza-0004bE-Gz for importer@patchew.org; Fri, 14 May 2021 11:44:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37068) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZWC-0006C7-Ez for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:24 -0400 Received: from mail-qk1-x730.google.com ([2607:f8b0:4864:20::730]:35422) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZW3-00077Y-GP for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:24 -0400 Received: by mail-qk1-x730.google.com with SMTP id x8so29028248qkl.2 for ; Fri, 14 May 2021 08:14:14 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3YtdsZVGY71CO6vpGl3MIh8sBMcWUiJTk6gvp8+iKQ0=; b=afCjKAAi+rwrvH1OptwJhf7u9o6UdZEwszXMvm/H652sVu39CA2Yyy9jA2DFwGuFs6 ygRstN1pah5/eVLEilm/UHBQTqU71LUqGsHFHbeSFUm+xBRDnG6veDZ76Y+mbT7Fh/hG l5O5grhS52e0jGhPiOgESAfFf0YmLwppwO4WA6EiLEF4QfWSyvlQtTiuRzc0xYRBnGIH 461Bb66hT495FZxSMp85TBUbPiby+Clq5PRy51xFBfAz2LZlOVT7hfkHtR3xLhHKAJwI 7NqpSWmV+9A6UmHCNquSSCLIn8AZpbDlS6BuhsiE4v2sumc6+Z/PK5sSdj7bGWZh7BFr 6B/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3YtdsZVGY71CO6vpGl3MIh8sBMcWUiJTk6gvp8+iKQ0=; b=r6q68luTEljOq3/sR8EQ0ZA1oACl7OZYuWYB81t75xjiDR45FXmQdS8NgB3l6zFMq7 vm5EqLpT2+3KL+Jz7f5BWBK9W2FS8DrRJMixgHeFejBWKtIavz0sEoqvFSs2pEF1vNqe qOs1kszs/sLkTnHMhrRdcDzqkLs+XWp95UOYiNPsoIqgGtBzuNiDwqsWJllUAycJCkze QCxD0iNZqYPwRc6GihWGve1vfqLQfZRpexNaoTB8c5CPGnqrm9zj0te1RTERxg5mDNLK BcrgSEWXalFLYRTkGyLa6eOjr7n7SHFRD58wA1gXqt1c+XQFaw0j1RTMC1Dqjki7UftD MuQw== X-Gm-Message-State: AOAM531jR/K3I7ZlCqSw5GsyCCfJPiMvTMwXH0A8WkJ25WndXD6Hxt70 hTO3bEErWLdEYuC2uXec3bM2L5UY4kc8Uqe3580= X-Google-Smtp-Source: ABdhPJxPIX7kZNesWD1D6ikdCYZ9v+wdZ5zHmIybM6/bqjc2VSsJKl954TkSzni42ZBxq3/uHPZ0Wg== X-Received: by 2002:a37:96c1:: with SMTP id y184mr39415406qkd.61.1621005254376; Fri, 14 May 2021 08:14:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 33/50] target/i386: Eliminate SVM helpers for user-only Date: Fri, 14 May 2021 10:13:25 -0500 Message-Id: <20210514151342.384376-34-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::730; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x730.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Use STUB_HELPER to ensure that such calls are always eliminated. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 3 +-- target/i386/tcg/translate.c | 9 ++++++++ target/i386/tcg/user/svm_stubs.c | 38 -------------------------------- 3 files changed, 10 insertions(+), 40 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index 7a09efd55b..d0f7f07c6c 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -107,8 +107,6 @@ DEF_HELPER_2(inl, tl, env, i32) =20 #ifndef CONFIG_USER_ONLY DEF_HELPER_FLAGS_4(bpt_io, TCG_CALL_NO_WG, void, env, i32, i32, tl) -#endif /* !CONFIG_USER_ONLY */ - DEF_HELPER_3(svm_check_intercept_param, void, env, i32, i64) DEF_HELPER_4(svm_check_io, void, env, i32, i32, i32) DEF_HELPER_3(vmrun, void, env, int, int) @@ -118,6 +116,7 @@ DEF_HELPER_2(vmsave, void, env, int) DEF_HELPER_1(stgi, void, env) DEF_HELPER_1(clgi, void, env) DEF_HELPER_2(invlpga, void, env, int) +#endif /* !CONFIG_USER_ONLY */ =20 /* x86 FPU */ =20 diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index aeb72cd846..9af0d6f2b5 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -193,7 +193,16 @@ typedef struct DisasContext { { qemu_build_not_reached(); } =20 #ifdef CONFIG_USER_ONLY +STUB_HELPER(clgi, TCGv_env env) +STUB_HELPER(invlpga, TCGv_env env, TCGv_i32 aflag) STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) +STUB_HELPER(stgi, TCGv_env env) +STUB_HELPER(svm_check_intercept_param, TCGv_env env, TCGv_i32 t, TCGv_i64 = p) +STUB_HELPER(svm_check_io, TCGv_env env, TCGv_i32 port, TCGv_i32 p, TCGv_i3= 2 a) +STUB_HELPER(vmload, TCGv_env env, TCGv_i32 aflag) +STUB_HELPER(vmmcall, TCGv_env env) +STUB_HELPER(vmrun, TCGv_env env, TCGv_i32 aflag, TCGv_i32 pc_ofs) +STUB_HELPER(vmsave, TCGv_env env, TCGv_i32 aflag) #endif =20 static void gen_eob(DisasContext *s); diff --git a/target/i386/tcg/user/svm_stubs.c b/target/i386/tcg/user/svm_st= ubs.c index 63b37f0de6..48a43bdcea 100644 --- a/target/i386/tcg/user/svm_stubs.c +++ b/target/i386/tcg/user/svm_stubs.c @@ -22,51 +22,13 @@ #include "exec/helper-proto.h" #include "tcg/helper-tcg.h" =20 -void helper_vmrun(CPUX86State *env, int aflag, int next_eip_addend) -{ -} - -void helper_vmmcall(CPUX86State *env) -{ -} - -void helper_vmload(CPUX86State *env, int aflag) -{ -} - -void helper_vmsave(CPUX86State *env, int aflag) -{ -} - -void helper_stgi(CPUX86State *env) -{ -} - -void helper_clgi(CPUX86State *env) -{ -} - -void helper_invlpga(CPUX86State *env, int aflag) -{ -} - void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_= 1, uintptr_t retaddr) { assert(0); 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3HSNX7xQILR37B9fhGWqudnd4f+kNvZWmQhUc/otRf8=; b=Nh275nfx9XNR8Gej5nPqKn4QvwcKoQTyOeBZQCcDhqa2W97KrmiRolYWJWyLHw2aeB 1jlGMKiispHuauhUa4cXU3TE7GrVmHJVS9e3onWp8i1CWNTA/M6qrq4pYoqiGE1AhOWK uhcXCB10NV3dtua+rmE6aMPTq8Y6ADrXNmDJbK4ZoTfdESmksPnQWDB17gucb0Vv7DH4 NCT3hvoZaHuUo0ynRHOZV1tFRUdTdb0V2uqtY9I0oRBmg//tndV9ifsTuf6xiNZd7+Ez t/TOXVSdCsfHwPwqZT+E6EJSm7MKxmnjCyse9WCKRUWZ2+IEmJ/ouHjn7woNXiKfhGSJ s81A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3HSNX7xQILR37B9fhGWqudnd4f+kNvZWmQhUc/otRf8=; b=FNYzC9tSqQ+bEksBtPNIpy9WfckSKi2HZfouHZ2Sj9D2A0JAvlYg3RBJtPoBjhAM8Q OgMglGYYrknk7ezDj9Rh7WKFuYi1OxHLB8LPrhJdNpTdM9aRO0sGz4bxsDR8YptqUqZd tk35YSE+6P6TcClIQW1XfeVg3olFDUFsKux9LxfzUu4wPUY4CWi96Cfc3jitfHJ5nwna DFf/Wv+w9Jp30I+8819ASVZR4v+cWll+M7Xu2QVWK8VvbtrI3ab3onA0sOOpB/F6K4e4 U73nUhcJDVq6o/TOiKNXCUOAOV5PhKXghvqXTGQLZgAl4QVopQkPj1ST0Tjy8ehGThki eOdw== X-Gm-Message-State: AOAM533BcTD5t3/tfjIRuKRVNnIoeQozllytFX2dY1+xMm9smwpVP0Xm NuO2cewV6/K126QBe+7FjFKFulNdtHwqWGJ9aXc= X-Google-Smtp-Source: ABdhPJx2Uuf9XwXHmvtzRck8a43GQmdhzaGzofXiBBxXEZd3SfQOehv0qs1xTGql5lb6EVyMOWq0Bg== X-Received: by 2002:a05:622a:138b:: with SMTP id o11mr42417657qtk.170.1621005255330; Fri, 14 May 2021 08:14:15 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 34/50] target/i386: Mark some helpers as noreturn Date: Fri, 14 May 2021 10:13:26 -0500 Message-Id: <20210514151342.384376-35-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82e; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Any helper that always raises an exception or interrupt, or simply exits to the main loop, can be so marked. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 18 +++++++++--------- target/i386/tcg/bpt_helper.c | 2 +- target/i386/tcg/excp_helper.c | 18 ++++++++++-------- target/i386/tcg/misc_helper.c | 14 +++++++------- target/i386/tcg/translate.c | 3 ++- 5 files changed, 29 insertions(+), 26 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index d0f7f07c6c..f794d1c7c7 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -60,14 +60,14 @@ DEF_HELPER_2(sysexit, void, env, int) DEF_HELPER_2(syscall, void, env, int) DEF_HELPER_2(sysret, void, env, int) #endif -DEF_HELPER_2(hlt, void, env, int) -DEF_HELPER_2(monitor, void, env, tl) -DEF_HELPER_2(mwait, void, env, int) -DEF_HELPER_2(pause, void, env, int) -DEF_HELPER_1(debug, void, env) +DEF_HELPER_FLAGS_2(hlt, TCG_CALL_NO_WG, noreturn, env, int) +DEF_HELPER_FLAGS_2(monitor, TCG_CALL_NO_WG, void, env, tl) +DEF_HELPER_FLAGS_2(mwait, TCG_CALL_NO_WG, noreturn, env, int) +DEF_HELPER_FLAGS_2(pause, TCG_CALL_NO_WG, noreturn, env, int) +DEF_HELPER_FLAGS_1(debug, TCG_CALL_NO_WG, noreturn, env) DEF_HELPER_1(reset_rf, void, env) -DEF_HELPER_3(raise_interrupt, void, env, int, int) -DEF_HELPER_2(raise_exception, void, env, int) +DEF_HELPER_FLAGS_3(raise_interrupt, TCG_CALL_NO_WG, noreturn, env, int, in= t) +DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, noreturn, env, int) DEF_HELPER_1(cli, void, env) DEF_HELPER_1(sti, void, env) DEF_HELPER_1(clac, void, env) @@ -86,12 +86,12 @@ DEF_HELPER_2(cmpxchg8b, void, env, tl) DEF_HELPER_2(cmpxchg16b_unlocked, void, env, tl) DEF_HELPER_2(cmpxchg16b, void, env, tl) #endif -DEF_HELPER_1(single_step, void, env) +DEF_HELPER_FLAGS_1(single_step, TCG_CALL_NO_WG, noreturn, env) DEF_HELPER_1(rechecking_single_step, void, env) DEF_HELPER_1(cpuid, void, env) DEF_HELPER_1(rdtsc, void, env) DEF_HELPER_1(rdtscp, void, env) -DEF_HELPER_1(rdpmc, void, env) +DEF_HELPER_FLAGS_1(rdpmc, TCG_CALL_NO_WG, noreturn, env) DEF_HELPER_1(rdmsr, void, env) DEF_HELPER_1(wrmsr, void, env) =20 diff --git a/target/i386/tcg/bpt_helper.c b/target/i386/tcg/bpt_helper.c index fb2a65ac9c..83cd89581e 100644 --- a/target/i386/tcg/bpt_helper.c +++ b/target/i386/tcg/bpt_helper.c @@ -22,7 +22,7 @@ #include "exec/helper-proto.h" #include "helper-tcg.h" =20 -void helper_single_step(CPUX86State *env) +void QEMU_NORETURN helper_single_step(CPUX86State *env) { #ifndef CONFIG_USER_ONLY check_hw_breakpoints(env, true); diff --git a/target/i386/tcg/excp_helper.c b/target/i386/tcg/excp_helper.c index 0183f3932e..bdae887d0a 100644 --- a/target/i386/tcg/excp_helper.c +++ b/target/i386/tcg/excp_helper.c @@ -25,12 +25,13 @@ #include "exec/helper-proto.h" #include "helper-tcg.h" =20 -void helper_raise_interrupt(CPUX86State *env, int intno, int next_eip_adde= nd) +void QEMU_NORETURN helper_raise_interrupt(CPUX86State *env, int intno, + int next_eip_addend) { raise_interrupt(env, intno, 1, 0, next_eip_addend); } =20 -void helper_raise_exception(CPUX86State *env, int exception_index) +void QEMU_NORETURN helper_raise_exception(CPUX86State *env, int exception_= index) { raise_exception(env, exception_index); } @@ -116,24 +117,25 @@ void QEMU_NORETURN raise_interrupt(CPUX86State *env, = int intno, int is_int, raise_interrupt2(env, intno, is_int, error_code, next_eip_addend, 0); } =20 -void raise_exception_err(CPUX86State *env, int exception_index, - int error_code) +void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_ind= ex, + int error_code) { raise_interrupt2(env, exception_index, 0, error_code, 0, 0); } =20 -void raise_exception_err_ra(CPUX86State *env, int exception_index, - int error_code, uintptr_t retaddr) +void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_= index, + int error_code, uintptr_t retadd= r) { raise_interrupt2(env, exception_index, 0, error_code, 0, retaddr); } =20 -void raise_exception(CPUX86State *env, int exception_index) +void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index) { raise_interrupt2(env, exception_index, 0, 0, 0, 0); } =20 -void raise_exception_ra(CPUX86State *env, int exception_index, uintptr_t r= etaddr) +void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_inde= x, + uintptr_t retaddr) { raise_interrupt2(env, exception_index, 0, 0, 0, retaddr); } diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c index a30379283e..0e9a4f0bfc 100644 --- a/target/i386/tcg/misc_helper.c +++ b/target/i386/tcg/misc_helper.c @@ -96,7 +96,7 @@ void helper_rdtscp(CPUX86State *env) env->regs[R_ECX] =3D (uint32_t)(env->tsc_aux); } =20 -void helper_rdpmc(CPUX86State *env) +void QEMU_NORETURN helper_rdpmc(CPUX86State *env) { if (((env->cr[4] & CR4_PCE_MASK) =3D=3D 0 ) && ((env->hflags & HF_CPL_MASK) !=3D 0)) { @@ -109,7 +109,7 @@ void helper_rdpmc(CPUX86State *env) raise_exception_err(env, EXCP06_ILLOP, 0); } =20 -static void do_pause(X86CPU *cpu) +static QEMU_NORETURN void do_pause(X86CPU *cpu) { CPUState *cs =3D CPU(cpu); =20 @@ -118,7 +118,7 @@ static void do_pause(X86CPU *cpu) cpu_loop_exit(cs); } =20 -static void do_hlt(X86CPU *cpu) +static QEMU_NORETURN void do_hlt(X86CPU *cpu) { CPUState *cs =3D CPU(cpu); CPUX86State *env =3D &cpu->env; @@ -129,7 +129,7 @@ static void do_hlt(X86CPU *cpu) cpu_loop_exit(cs); } =20 -void helper_hlt(CPUX86State *env, int next_eip_addend) +void QEMU_NORETURN helper_hlt(CPUX86State *env, int next_eip_addend) { X86CPU *cpu =3D env_archcpu(env); =20 @@ -148,7 +148,7 @@ void helper_monitor(CPUX86State *env, target_ulong ptr) cpu_svm_check_intercept_param(env, SVM_EXIT_MONITOR, 0, GETPC()); } =20 -void helper_mwait(CPUX86State *env, int next_eip_addend) +void QEMU_NORETURN helper_mwait(CPUX86State *env, int next_eip_addend) { CPUState *cs =3D env_cpu(env); X86CPU *cpu =3D env_archcpu(env); @@ -167,7 +167,7 @@ void helper_mwait(CPUX86State *env, int next_eip_addend) } } =20 -void helper_pause(CPUX86State *env, int next_eip_addend) +void QEMU_NORETURN helper_pause(CPUX86State *env, int next_eip_addend) { X86CPU *cpu =3D env_archcpu(env); =20 @@ -177,7 +177,7 @@ void helper_pause(CPUX86State *env, int next_eip_addend) do_pause(cpu); } =20 -void helper_debug(CPUX86State *env) +void QEMU_NORETURN helper_debug(CPUX86State *env) { CPUState *cs =3D env_cpu(env); =20 diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 9af0d6f2b5..8419aaa62c 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -7282,6 +7282,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); gen_helper_rdpmc(cpu_env); + s->base.is_jmp =3D DISAS_NORETURN; break; case 0x134: /* sysenter */ /* For Intel SYSENTER is valid on 64-bit */ @@ -7443,7 +7444,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); gen_helper_mwait(cpu_env, tcg_const_i32(s->pc - pc_start)); - gen_eob(s); + s->base.is_jmp =3D DISAS_NORETURN; break; =20 case 0xca: /* clac */ --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007086; cv=none; d=zohomail.com; s=zohoarc; b=c1bLtfBeEJ9OoeqzFmAcgz6LbJgMZl9LSITqPE7NPf3hmaoU7ZAzf7IhVIlbCSGGrWeakSPoqGBosAeVJ0s/HHGMhhe6dsp2INOb8X6q3tVYJ5cAQNZtI+bTSzm3o018rHxlyACvXExbGHxjvPm/RHD13C0lJRoIokfCiDFhoGY= ARC-Message-Signature: i=1; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=roDfKVwoE/FokDKWYoRGBlgbgtAxIqlU8Xs4UzYUyTc=; b=fIrxxhLRjFAUbeT/0vsQePdVVFX1zv3KwvGsRabqnCHCy8hela34s+6JXm3GVk90HX XSKUlLfjHqX1JGjWB91Zx4QcOauZOlQJ5+3ip9QuR4o6/rs8Ng+6KnuVejG2Hh2LSUFD 5r/U0GNgdCC+cjxSqORzRjJNxnEmmXbh2qg4HwGi0udXY+UY/wxKhQAsPKXmj65lFEFx I4KEn4rsmDGwTW5Dp5/00gxyqThCQF4bj2VzeOjQHIHVMJ15tyo8aenoHTiI+ltWlkGg 0STMOG29BvpvWv7n6OuJcToc7aUQjMBvcmN6UoUtPL44KF4DMqNttI93nR2pQwpQsNTy sgZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=roDfKVwoE/FokDKWYoRGBlgbgtAxIqlU8Xs4UzYUyTc=; b=KhEtYiDNJG/ZFcYSVd5mcee2EDI2X0oWYArCGwjrposTPvYcpZPCDkHRDMX9v73a9t ZJOKYa1vw/bJT4OdbvsH2Bwq6c71fe+hLL/8awgtI3YuMdruq8gvcrNgiEyQGeBlHuQf H2h8MByPxJQMAvkThnGMFGTlPHWkMv3roQQA5Oajez57urfiO+j+La2fyu4JCtwxOSPO KDDCey9bIsALElmoqjeHPPds4BJWHC8XzboA3CxJHOxjNy9nBaIyWWPOFuo1j3ZU518/ lBJHtnqzhBqOmVKVlScBiss7n7zH+PdZBuBa1Z5WVZkNK+2XbMFkNThnLWIOnevsAjbr DiQw== X-Gm-Message-State: AOAM531sPXliBy/OFcEYBZohb/SO5Y/2h+YrAZgRDsNGf+QI29C4TxfL xInqop1PcKZ5YJ9VDIJPCIi2+SFJ0+dfdyTqfjo= X-Google-Smtp-Source: ABdhPJxY/LjYqLa1M/VXSNpo3U/Ujet2rcqxWgYA8C3L8iO7lLuohRzAjWdyTDWETimgnkVXEsFLVw== X-Received: by 2002:ac8:5f48:: with SMTP id y8mr43645506qta.69.1621005256227; Fri, 14 May 2021 08:14:16 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 35/50] target/i386: Simplify gen_debug usage Date: Fri, 14 May 2021 10:13:27 -0500 Message-Id: <20210514151342.384376-36-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::832; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x832.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Both invocations pass the start of the current instruction, which is available as s->base.pc_next. The function sets is_jmp, so we can eliminate a second setting. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 8419aaa62c..8a02c5a373 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -2614,10 +2614,10 @@ static void gen_interrupt(DisasContext *s, int intn= o, s->base.is_jmp =3D DISAS_NORETURN; } =20 -static void gen_debug(DisasContext *s, target_ulong cur_eip) +static void gen_debug(DisasContext *s) { gen_update_cc_op(s); - gen_jmp_im(s, cur_eip); + gen_jmp_im(s, s->base.pc_next - s->cs_base); gen_helper_debug(cpu_env); s->base.is_jmp =3D DISAS_NORETURN; } @@ -7152,7 +7152,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) #ifdef WANT_ICEBP case 0xf1: /* icebp (undocumented, exits to external debugger) */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP); - gen_debug(s, pc_start - s->cs_base); + gen_debug(s); break; #endif case 0xfa: /* cli */ @@ -8592,8 +8592,7 @@ static bool i386_tr_breakpoint_check(DisasContextBase= *dcbase, CPUState *cpu, /* If RF is set, suppress an internally generated breakpoint. */ int flags =3D dc->base.tb->flags & HF_RF_MASK ? BP_GDB : BP_ANY; if (bp->flags & flags) { - gen_debug(dc, dc->base.pc_next - dc->cs_base); - dc->base.is_jmp =3D DISAS_NORETURN; + gen_debug(dc); /* The address covered by the breakpoint must be included in [tb->pc, tb->pc + tb->size) in order to for it to be properly cleared -- thus we increment the PC here so that --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006485; cv=none; d=zohomail.com; s=zohoarc; b=PRyZrwAsU0nwJyu0jsgxanGg54MpF3lmIZlDhq/ZlpEuT94xGY5nmNBK2U997sTtvbMfRQe92p+aJA4IgKpMcNWk4zCm0vrvoi7kET/ZvcPWXIUWfZ8d4Ep2GVsbyDTg2G2AgKcJTyaKqlPexLa0Df1+ogbQft3F7lmoGThNeHg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006485; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=A1dgGUuYfUmlEfW2piW8mtjDMUJG7qNyIHwOhqBphag=; b=b2z7G1Z2puvCQlYU/q5O/OcLaZdYTeYAIKmsnKXIz4b23WRKupt2Of23+NnoRJ3aGV1SNtopIFf1ShL2hKYUrz+Grghb7BIEAPhUXkgKtc/hjYSuVBrKvV7QFZHHX1oApJIJzlHgkQVnYYJjYQ8zsfKBoyon/XcPWO9XQo2UKLQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006485172218.03544042981878; Fri, 14 May 2021 08:34:45 -0700 (PDT) Received: from localhost ([::1]:43472 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZpr-00020c-35 for importer@patchew.org; Fri, 14 May 2021 11:34:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37044) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZWB-00068H-HR for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:23 -0400 Received: from mail-qk1-x730.google.com ([2607:f8b0:4864:20::730]:41942) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZW6-000785-H1 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:23 -0400 Received: by mail-qk1-x730.google.com with SMTP id l129so29002157qke.8 for ; Fri, 14 May 2021 08:14:17 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=A1dgGUuYfUmlEfW2piW8mtjDMUJG7qNyIHwOhqBphag=; b=ignLgo8cZZhdP3IGJWdKH0k2xl9djt6Co+T0WeeyGSG+1tbjovzSm60u5IaRrkBbtq R1EmdhYgRoHdb1qTNtF4BhazXHgxjvLFpyBNX6MYYtS5fMfsWp5Vo4KbEbAGCkW8qe17 u1uGgjXeOj0EgLBD6EdA/qkvG2KaJikKRUzuT+Q1tsFFu+t/9XQaB59uR3lnPzNXnTQl RYkclRvzLVTKtAEia6S22z8w6pmq70u6W9aEepYlE/cHdrut7gDZPXF3yuncmFIEVckJ E5xQ2jgqvZn2dSJ2fB11Rd4SOj03IKkCjRXEF2T/DAdjhMmmwpPVw/NBrMoZtfienSLT JgQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=A1dgGUuYfUmlEfW2piW8mtjDMUJG7qNyIHwOhqBphag=; b=YbKIh25wNFv5l9a42j/ub8Mm7r2JgSQ4RnbXywYmgqwdvAhyG0vQf5dxkZJEkCyvne n1Liho/ThWEEGe8x5BhPfdPXlHop0xIvuZxQGjRqnCuHuKJGDlcw8seRhY4/lYrk0mQf cIGbKZIzqfXlK6tprgoWl/EMCTBHmSUgLyYxkTg8VWq6BLBzwP+s7WJB/deBf5by4pQn 3pdOXFAafBYhWB5LazdAA4SSuREmu3Ezam3wno9LvZjQGptq35JmWWlva381ECiiS4Tk px8BPikY4/jQ/mth1psOhvTld+jg8c1HmAojZQJW9F0hE7HUngj9B90A1nMdK+bue+a7 4gwA== X-Gm-Message-State: AOAM530O6wzOx+2cEBdv4/4aWysPFQENGfbzYQRmCHbxRmta6wjM1Bty DOJpjx/2QXrfwByzBFvEWEJbFomTc+1DSQsKDV8= X-Google-Smtp-Source: ABdhPJwGxlOSyDKaobXwYeHYPZ8XlzSku2HwMfif2RQwPoLMCxGOvavzjjlm4UYm23L2Vcmc5psG8g== X-Received: by 2002:a05:620a:15a2:: with SMTP id f2mr44815686qkk.310.1621005257115; Fri, 14 May 2021 08:14:17 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 36/50] target/i386: Tidy svm_check_intercept from tcg Date: Fri, 14 May 2021 10:13:28 -0500 Message-Id: <20210514151342.384376-37-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::730; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x730.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The param argument to helper_svm_check_intercept_param is always 0; eliminate it and rename to helper_svm_check_intercept. Fold gen_sve_check_intercept_param into gen_svm_check_intercept. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 2 +- target/i386/tcg/sysemu/svm_helper.c | 5 ++--- target/i386/tcg/translate.c | 16 ++++------------ 3 files changed, 7 insertions(+), 16 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index f794d1c7c7..86484a4ec4 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -107,7 +107,7 @@ DEF_HELPER_2(inl, tl, env, i32) =20 #ifndef CONFIG_USER_ONLY DEF_HELPER_FLAGS_4(bpt_io, TCG_CALL_NO_WG, void, env, i32, i32, tl) -DEF_HELPER_3(svm_check_intercept_param, void, env, i32, i64) +DEF_HELPER_2(svm_check_intercept, void, env, i32) DEF_HELPER_4(svm_check_io, void, env, i32, i32, i32) DEF_HELPER_3(vmrun, void, env, int, int) DEF_HELPER_1(vmmcall, void, env) diff --git a/target/i386/tcg/sysemu/svm_helper.c b/target/i386/tcg/sysemu/s= vm_helper.c index 79c73d67af..b431016e72 100644 --- a/target/i386/tcg/sysemu/svm_helper.c +++ b/target/i386/tcg/sysemu/svm_helper.c @@ -506,10 +506,9 @@ void cpu_svm_check_intercept_param(CPUX86State *env, u= int32_t type, } } =20 -void helper_svm_check_intercept_param(CPUX86State *env, uint32_t type, - uint64_t param) +void helper_svm_check_intercept(CPUX86State *env, uint32_t type) { - cpu_svm_check_intercept_param(env, type, param, GETPC()); + cpu_svm_check_intercept_param(env, type, 0, GETPC()); } =20 void helper_svm_check_io(CPUX86State *env, uint32_t port, uint32_t param, diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 8a02c5a373..12ef2cf064 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -197,7 +197,7 @@ STUB_HELPER(clgi, TCGv_env env) STUB_HELPER(invlpga, TCGv_env env, TCGv_i32 aflag) STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) STUB_HELPER(stgi, TCGv_env env) -STUB_HELPER(svm_check_intercept_param, TCGv_env env, TCGv_i32 t, TCGv_i64 = p) +STUB_HELPER(svm_check_intercept, TCGv_env env, TCGv_i32 type) STUB_HELPER(svm_check_io, TCGv_env env, TCGv_i32 port, TCGv_i32 p, TCGv_i3= 2 a) STUB_HELPER(vmload, TCGv_env env, TCGv_i32 aflag) STUB_HELPER(vmmcall, TCGv_env env) @@ -2423,9 +2423,8 @@ static inline int svm_is_rep(int prefixes) return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); } =20 -static inline void -gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start, - uint32_t type, uint64_t param) +static void gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, + uint32_t type) { /* no SVM activated; fast case */ if (likely(!GUEST(s))) { @@ -2433,14 +2432,7 @@ gen_svm_check_intercept_param(DisasContext *s, targe= t_ulong pc_start, } gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); - gen_helper_svm_check_intercept_param(cpu_env, tcg_const_i32(type), - tcg_const_i64(param)); -} - -static inline void -gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t t= ype) -{ - gen_svm_check_intercept_param(s, pc_start, type, 0); + gen_helper_svm_check_intercept(cpu_env, tcg_constant_i32(type)); } =20 static inline void gen_stack_update(DisasContext *s, int addend) --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006701; cv=none; d=zohomail.com; s=zohoarc; b=TLtnBGaPZPoya6l6IFINjGf5KWokBJvn4sEqk/RE5FiiOOpsSiwldSyGuFnhqmJrOU3yj3MFX3OMmym3swUSDpX1IXhQ1L0yaKui7Srun6Q0jnouwF7B49axa93prgFGqTaXqvrKnT+BrA3SEQ65fsn/lHjQMgm9UVQAuN6T7Ns= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006701; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=1Z7X5hdYofUYkTTakCc8pJnu0NSQyGMEgfz01SKS8WE=; b=k8eGBm09AftWnFA7L4UN0qNWGxyF57+X7fF3kbJlT8Ysi6OrV5C5cHDsTSb32nIIUfoYF1vx4qYVVc3I8bzEBbvyhYk8H6dG4OBlSRUXZwXhY9ClKwzUZ8r9BUwqj2YFLvFaG7VYBVUXmpRHOVLRRbgrJVwkFqAeTWQ003IGIUE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006701573509.0715615580531; Fri, 14 May 2021 08:38:21 -0700 (PDT) Received: from localhost ([::1]:54968 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZtL-0001pw-UC for importer@patchew.org; Fri, 14 May 2021 11:38:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37078) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZWC-0006Ei-Ts for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:24 -0400 Received: from mail-qk1-x735.google.com ([2607:f8b0:4864:20::735]:40454) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZW7-00078n-HI for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:24 -0400 Received: by mail-qk1-x735.google.com with SMTP id f18so7153680qko.7 for ; Fri, 14 May 2021 08:14:18 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=1Z7X5hdYofUYkTTakCc8pJnu0NSQyGMEgfz01SKS8WE=; b=diqiEVVl1/FOopAiDqQp7zZ4e+Bb/VJePnKnmxVchfsw5c7yci1Eq8SAkMuu+bBcZz NviWcERG9pjDM3mbA7ZbfMKKnFbL+6qoq9LCg7HOWJ0jf22eRnV22gHDuSDxgQwKG+d8 oX2/wVVYxnJC0G91X1CiPmLp9VhXsKk2pqMHVpIGfOENg5G7qHRcByZ2ZfCjhF9S8J0o PYoe/IjMgHBtdflbOD+9dOZkX1YjGgVXAtXoP0TLixg5Zk6C/jr5h/mGnsuUpAO7eFQr nvwOFnQlNwliP6xNbNl/0ET3WNh18D+ECdR+ekDvNXSmuTD7Zsio7zoCUrQwiD019lTU dKVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1Z7X5hdYofUYkTTakCc8pJnu0NSQyGMEgfz01SKS8WE=; b=ZP7TN33+QWCuKQBBtTGag2Y5a+VOnJ9J5WD6hYUSudus2AswdEaCKVB8Eem8lHNOgf 7pLWLdXo6BQw1E2VTUiZHwS9eK5+dVIn48I0+GMdJv9WeKKNLbc+JZ9Sm2GYi8N1OikR SLTsn+A+YKD2+pGitwOadx1JHih+6EElCG+LKESjnEXDf2npFhdluMejxqyfTFPTfd53 ZCFYGlYQFaZ5aa+0BLzkhvf1ELYQyVALh1meSIdbs9eVin5lyPlq+VerekpmNmSQXLxs kSOCvUPYTY6b1WGJCv4xGvX3nCals8gMRMlw1z4kprv1ZmK5TFX4nfFu5mXaHoKq813w ln9w== X-Gm-Message-State: AOAM531KLVeFt+ZkJUpHkHkAfOAyOcFT5b7LvdbA2ZKOtcBmV9xQujJl 32i9HgZaWay0prMc8Zs0Wwqmnuy3WVyNOVypMC4= X-Google-Smtp-Source: ABdhPJwVdPLA55qPdDGBQU/1huaHW5/uQ/g30+9rNw/ANNWA/SD0vAlMnFCprtg07Erg7Y2NR23fOg== X-Received: by 2002:a05:620a:14a5:: with SMTP id x5mr22854936qkj.143.1621005258045; Fri, 14 May 2021 08:14:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 37/50] target/i386: Remove pc_start argument to gen_svm_check_intercept Date: Fri, 14 May 2021 10:13:29 -0500 Message-Id: <20210514151342.384376-38-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::735; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x735.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" When exiting helper_svm_check_intercept via exception, cpu_vmexit calls cpu_restore_state, which will recover eip and cc_op via unwind. Therefore we do not need to store eip or cc_op before the call. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 45 +++++++++++++++++-------------------- 1 file changed, 21 insertions(+), 24 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 12ef2cf064..d0fef4cce8 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -2423,15 +2423,12 @@ static inline int svm_is_rep(int prefixes) return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); } =20 -static void gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, - uint32_t type) +static void gen_svm_check_intercept(DisasContext *s, uint32_t type) { /* no SVM activated; fast case */ if (likely(!GUEST(s))) { return; } - gen_update_cc_op(s); - gen_jmp_im(s, pc_start - s->cs_base); gen_helper_svm_check_intercept(cpu_env, tcg_constant_i32(type)); } =20 @@ -6639,7 +6636,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) val =3D 0; goto do_lret; case 0xcf: /* iret */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_IRET); + gen_svm_check_intercept(s, SVM_EXIT_IRET); if (!PE(s) || VM86(s)) { /* real mode or vm86 mode */ if (!check_vm86_iopl(s)) { @@ -6761,7 +6758,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) /************************/ /* flags */ case 0x9c: /* pushf */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF); + gen_svm_check_intercept(s, SVM_EXIT_PUSHF); if (check_vm86_iopl(s)) { gen_update_cc_op(s); gen_helper_read_eflags(s->T0, cpu_env); @@ -6769,7 +6766,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) } break; case 0x9d: /* popf */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF); + gen_svm_check_intercept(s, SVM_EXIT_POPF); if (check_vm86_iopl(s)) { ot =3D gen_pop_T0(s); if (CPL(s) =3D=3D 0) { @@ -7143,7 +7140,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; #ifdef WANT_ICEBP case 0xf1: /* icebp (undocumented, exits to external debugger) */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_ICEBP); + gen_svm_check_intercept(s, SVM_EXIT_ICEBP); gen_debug(s); break; #endif @@ -7347,7 +7344,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0: /* sldt */ if (!PE(s) || VM86(s)) goto illegal_op; - gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_READ); + gen_svm_check_intercept(s, SVM_EXIT_LDTR_READ); tcg_gen_ld32u_tl(s->T0, cpu_env, offsetof(CPUX86State, ldt.selector)); ot =3D mod =3D=3D 3 ? dflag : MO_16; @@ -7357,7 +7354,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!PE(s) || VM86(s)) goto illegal_op; if (check_cpl0(s)) { - gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); + gen_svm_check_intercept(s, SVM_EXIT_LDTR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_lldt(cpu_env, s->tmp2_i32); @@ -7366,7 +7363,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 1: /* str */ if (!PE(s) || VM86(s)) goto illegal_op; - gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_READ); + gen_svm_check_intercept(s, SVM_EXIT_TR_READ); tcg_gen_ld32u_tl(s->T0, cpu_env, offsetof(CPUX86State, tr.selector)); ot =3D mod =3D=3D 3 ? dflag : MO_16; @@ -7376,7 +7373,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!PE(s) || VM86(s)) goto illegal_op; if (check_cpl0(s)) { - gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); + gen_svm_check_intercept(s, SVM_EXIT_TR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_ltr(cpu_env, s->tmp2_i32); @@ -7404,7 +7401,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) modrm =3D x86_ldub_code(env, s); switch (modrm) { CASE_MODRM_MEM_OP(0): /* sgdt */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_READ); + gen_svm_check_intercept(s, SVM_EXIT_GDTR_READ); gen_lea_modrm(env, s, modrm); tcg_gen_ld32u_tl(s->T0, cpu_env, offsetof(CPUX86State, gdt.limit)); @@ -7460,7 +7457,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 CASE_MODRM_MEM_OP(1): /* sidt */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_READ); + gen_svm_check_intercept(s, SVM_EXIT_IDTR_READ); gen_lea_modrm(env, s, modrm); tcg_gen_ld32u_tl(s->T0, cpu_env, offsetof(CPUX86State, idt.lim= it)); gen_op_st_v(s, MO_16, s->T0, s->A0); @@ -7580,7 +7577,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) || !PE(s)) { goto illegal_op; } - gen_svm_check_intercept(s, pc_start, SVM_EXIT_SKINIT); + gen_svm_check_intercept(s, SVM_EXIT_SKINIT); /* If not intercepted, not implemented -- raise #UD. */ goto illegal_op; =20 @@ -7600,7 +7597,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!check_cpl0(s)) { break; } - gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_WRITE); + gen_svm_check_intercept(s, SVM_EXIT_GDTR_WRITE); gen_lea_modrm(env, s, modrm); gen_op_ld_v(s, MO_16, s->T1, s->A0); gen_add_A0_im(s, 2); @@ -7616,7 +7613,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!check_cpl0(s)) { break; } - gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_WRITE); + gen_svm_check_intercept(s, SVM_EXIT_IDTR_WRITE); gen_lea_modrm(env, s, modrm); gen_op_ld_v(s, MO_16, s->T1, s->A0); gen_add_A0_im(s, 2); @@ -7629,7 +7626,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; =20 CASE_MODRM_OP(4): /* smsw */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_CR0); + gen_svm_check_intercept(s, SVM_EXIT_READ_CR0); tcg_gen_ld_tl(s->T0, cpu_env, offsetof(CPUX86State, cr[0])); /* * In 32-bit mode, the higher 16 bits of the destination @@ -7661,7 +7658,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) if (!check_cpl0(s)) { break; } - gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); + gen_svm_check_intercept(s, SVM_EXIT_WRITE_CR0); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); gen_helper_lmsw(cpu_env, s->T0); gen_jmp_im(s, s->pc - s->cs_base); @@ -7718,7 +7715,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x108: /* invd */ case 0x109: /* wbinvd */ if (check_cpl0(s)) { - gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD := SVM_EXIT_WBINVD); + gen_svm_check_intercept(s, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_= WBINVD); /* nothing to do */ } break; @@ -8108,14 +8105,14 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) goto illegal_op; } if (b & 2) { - gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_DR0 + = reg); + gen_svm_check_intercept(s, SVM_EXIT_WRITE_DR0 + reg); gen_op_mov_v_reg(s, ot, s->T0, rm); tcg_gen_movi_i32(s->tmp2_i32, reg); gen_helper_set_dr(cpu_env, s->tmp2_i32, s->T0); gen_jmp_im(s, s->pc - s->cs_base); gen_eob(s); } else { - gen_svm_check_intercept(s, pc_start, SVM_EXIT_READ_DR0 + r= eg); + gen_svm_check_intercept(s, SVM_EXIT_READ_DR0 + reg); tcg_gen_movi_i32(s->tmp2_i32, reg); gen_helper_get_dr(s->T0, cpu_env, s->tmp2_i32); gen_op_mov_reg_v(s, ot, rm, s->T0); @@ -8124,7 +8121,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) break; case 0x106: /* clts */ if (check_cpl0(s)) { - gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); + gen_svm_check_intercept(s, SVM_EXIT_WRITE_CR0); gen_helper_clts(cpu_env); /* abort block because static cpu state changed */ gen_jmp_im(s, s->pc - s->cs_base); @@ -8351,7 +8348,7 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_nop_modrm(env, s, modrm); break; case 0x1aa: /* rsm */ - gen_svm_check_intercept(s, pc_start, SVM_EXIT_RSM); + gen_svm_check_intercept(s, SVM_EXIT_RSM); if (!(s->flags & HF_SMM_MASK)) goto illegal_op; #ifdef CONFIG_USER_ONLY --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007233; cv=none; d=zohomail.com; s=zohoarc; b=ZG+kAqk2sIgHkWFU3JDy/MrDp8C8t/2FkhkobWWsEq36v9y0jIAugvnpwx39k8qinSK/9ughECHbJaftiCD7301xXmK/oCLlVJxOhyjZWjUiY3WbpfUZyUGj7ZiX5tKGJ6ORcyTOI6bSOZIptrnCuDvvpkCrU43J1JmvK3hracE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007233; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=s9yt297DaPABA6jZ93aLPYCxWDxJPKwYcLqKfZF3eAY=; b=WGhY0obK0M8QyI/ba2nqrIa5A8tUz7L4dRqcV+NdfGd2LzFFCrUoLYXaDi5OwH8IZQ8Wyb3kiBhNOydonl900aApPUo1X9AeoFFsni2SGWub0Rcr15+NIEFPD1CAhX4FBdTqziMxatptGnjbLl2QW/3Kxs3e33JmY8+Qb3yfMBE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621007233769281.0224758562331; Fri, 14 May 2021 08:47:13 -0700 (PDT) Received: from localhost ([::1]:47634 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lha1w-0008VN-Bo for importer@patchew.org; Fri, 14 May 2021 11:47:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37096) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZWD-0006Gj-F3 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:25 -0400 Received: from mail-qk1-x732.google.com ([2607:f8b0:4864:20::732]:45764) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZW8-00078w-G2 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:25 -0400 Received: by mail-qk1-x732.google.com with SMTP id 197so28988280qkl.12 for ; Fri, 14 May 2021 08:14:19 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=s9yt297DaPABA6jZ93aLPYCxWDxJPKwYcLqKfZF3eAY=; b=qq02mlpNqb8yaucNQETiqkctLNHt9gh0d9+WTy/owz6a3fr6xRmTo5XLVEbK1EK9rj Z7i7NT0s+7QQ7gQ7wyPdWsvzMuK7JhagfeB9UmSsOL82JsIeBCEniosCLK+u1Rl876Y4 13lU9HTIoy502VyVAu1sypeuZj6VWI8UHhzgWIkr0pN9U6AswSzGsadrwd0WdkCQHz9a qqjLYBCOkPidD+Fun45XkUX1gHw68eGYpbtwAW1aDO+lhh654x2b6JDh0iiAvYm4794K wVq7XqUmS7G9pgkNmfkWK4LOZtG8OYHnrtOSbu4gGrSX2KvcGuTju96ugF4Ett1Xq4pi Gaww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=s9yt297DaPABA6jZ93aLPYCxWDxJPKwYcLqKfZF3eAY=; b=LC+EnD7nGda1Dgu4IQM0Li+boB4HLJ4Iyk+2HuDbTeyT1opfK/ecmVCnMj1t3cBONI GhFHwCLREsh2j9ncZ8+2T0MsdR0qjhttSD6cMSB2aZ8eg/EL7QyL6/1jBwzujf59YtDT Vi9KOgXTop9nHO7/Wa2v3w/NB+uuNdCpdzz6Ah6Qx3EkW5VuniAt4znRnXQOFX/jqbTt l2pyNcMPYO4eFcD4TMLahD/24aef7YHG9k/LjB7aieK3GTANZ9jH+ZLmBDEwdqTTp0UW UK9O7pXlAeH5/14h1QvjsrwLbC+ddzusmxaSuhEQbAYOYsVSZ3XAGmM3RRszL1YvO8gY hbHw== X-Gm-Message-State: AOAM532FeYWvzJohdsP6zNej2AmxK+oGM/mmDNc/J635nTK8YItfU+jd ExUsPEyN+AnPzUkbQAR41/R6DpCVtbTmmkEO8NM= X-Google-Smtp-Source: ABdhPJwLjgZHJVZq4tF71emJf0jFHsfvsZEWEoDGHOX1UIKVraIzuI1JrUZW5Dbveh8uuuc2MUkKoQ== X-Received: by 2002:a37:a683:: with SMTP id p125mr44360920qke.332.1621005258999; Fri, 14 May 2021 08:14:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 38/50] target/i386: Remove user stub for cpu_vmexit Date: Fri, 14 May 2021 10:13:30 -0500 Message-Id: <20210514151342.384376-39-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::732; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x732.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This function is only called from tcg/sysemu/. There is no need for a stub in tcg/user/. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/helper-tcg.h | 4 +++- target/i386/tcg/user/svm_stubs.c | 6 ------ 2 files changed, 3 insertions(+), 7 deletions(-) diff --git a/target/i386/tcg/helper-tcg.h b/target/i386/tcg/helper-tcg.h index 97fb7a226a..85a8b0ebd6 100644 --- a/target/i386/tcg/helper-tcg.h +++ b/target/i386/tcg/helper-tcg.h @@ -77,10 +77,12 @@ extern const uint8_t parity_table[256]; /* misc_helper.c */ void cpu_load_eflags(CPUX86State *env, int eflags, int update_mask); =20 -/* svm_helper.c */ +/* sysemu/svm_helper.c */ +#ifndef CONFIG_USER_ONLY void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1, uintptr_t retaddr); void do_vmexit(CPUX86State *env); +#endif =20 /* seg_helper.c */ void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw); diff --git a/target/i386/tcg/user/svm_stubs.c b/target/i386/tcg/user/svm_st= ubs.c index 48a43bdcea..db818f89a8 100644 --- a/target/i386/tcg/user/svm_stubs.c +++ b/target/i386/tcg/user/svm_stubs.c @@ -22,12 +22,6 @@ #include "exec/helper-proto.h" #include "tcg/helper-tcg.h" =20 -void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_= 1, - uintptr_t retaddr) -{ - assert(0); -} - void cpu_svm_check_intercept_param(CPUX86State *env, uint32_t type, uint64_t param, uintptr_t retaddr) { --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007341; cv=none; d=zohomail.com; s=zohoarc; b=UZNyHtkpGOnE6TEdDcMvw5k4ZUyTUI0dBBCoYWOFFJXZ+3a/wYcXhMnMT2zdFMDFrmMp9bLiXfqVSVjOpBKBmrNLsP5drI+0QEdA2SooBoqx1rha0UUKg8HU4ErVHofGLR40N6b6nDuN6CMZLuZbOr5w7UROELrSxqyPLcBIv5w= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007341; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Y//qpe9C1BMWcI8X6km7qURux7ByBn4kvB0jecV92uw=; b=fAFqeq+Jhm8CjHfj6VcaFAbry5jmmC66IAmXepiWTpAW3KdxMwP9THb7g4n+wW+7Fn5d1zWACMxP2cNwdRvEr0iGuusxQewr6F1OuB1muvKbUCZbuZEI7/C9pnrvAfji9DdIM9KlN0ns+uEB7dzKFmSCAMvhVb8bNVnbH1uHLBA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621007341621577.6949677156397; Fri, 14 May 2021 08:49:01 -0700 (PDT) Received: from localhost ([::1]:50966 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lha3g-0002UH-3b for importer@patchew.org; Fri, 14 May 2021 11:49:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37110) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZWF-0006PG-9E for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:27 -0400 Received: from mail-qt1-x836.google.com ([2607:f8b0:4864:20::836]:40615) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZW9-000791-07 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:14:27 -0400 Received: by mail-qt1-x836.google.com with SMTP id j19so22406083qtp.7 for ; Fri, 14 May 2021 08:14:20 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id u6sm4778966qkj.117.2021.05.14.08.14.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:14:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Y//qpe9C1BMWcI8X6km7qURux7ByBn4kvB0jecV92uw=; b=FKVWD8QNgduznSpCAsE/GaIW0lYt+I72vdfuZR2TXdW1J1Dc9LXEVMHuvze+Vr5yEH 2MZcv2i9eMRlETjZ23AT2Nmr72B40hdviTG+RrKECc91V3QLX7INyU0FPbuPG60yMTrq JYfFJZaALV0lm1KEKTKUA0VyO52RcoFZ5mC9grbmIg8RvFo76E0h5nRRcxdvWPFV7KJG hSezRBo5JHYU5b/m0et6RBjr1Zy3PHtYdLptir8gnG+rxVXtZgchxYDJYLqU+dDc3fO1 iu2UT68sB0uSc/QA862qcT8cyCypJNbPlPOUsZlLXvSNxCdx4++iK9/uUSQBWSFlGy/S FmeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Y//qpe9C1BMWcI8X6km7qURux7ByBn4kvB0jecV92uw=; b=m4BFtFgNXCJ1XIOwQrEAjFxJrZWaHPDMaqVgyMdl1IUiNVF/XXsWTKQQ4Ma9Tmlywt Fdtk3FW/MQkpT3B8iwcXKp49kCsaerxeZvVzGz3DHoG/ODdC4NmcmwIUmOkJQ487AwxS YhI+laqtKGA1rZq3l4IySBEgeFjPBAmNjdXyvmmFbV0QQMlx+U1C7xJ+Uv3f0yg7H8L8 E4chelxiv+IC7jcf4Riiew9qQxA6SJ1PgNPAAvJw3IL8F7VSogYR23Rl7q1FTRVePkzx yIKV9bKQjTW1cyIXNl+jAzOOUQSoznsUM4R8qeVGFk54wc+CH5fiiObHTQY5BL4U0qGK oICw== X-Gm-Message-State: AOAM533njoJ6ksdbm5o5Z4yqK18MgCDyACtsRyvHo7jmPQeuFp2caNJs HpdRHaquH+3qTP45yFY4gG1Bj6Gj6fcofjsQmbs= X-Google-Smtp-Source: ABdhPJzbDdiZfdUOuAj9f8qRcqQjh2ceXipkmHdOFm6zrWi6ESxOgAPZ1vjnP+pI6d9vmDGo9O1SLA== X-Received: by 2002:ac8:7b26:: with SMTP id l6mr44434627qtu.136.1621005260040; Fri, 14 May 2021 08:14:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 39/50] target/i386: Cleanup read_crN, write_crN, lmsw Date: Fri, 14 May 2021 10:13:31 -0500 Message-Id: <20210514151342.384376-40-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::836; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x836.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Pull the svm intercept check into the translator. Pull the entire implementation of lmsw into the translator. Push the check for CR8LEG into the regno validation switch. Unify the gen_io_start check between read/write. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 5 +- target/i386/tcg/misc_helper.c | 8 --- target/i386/tcg/sysemu/misc_helper.c | 2 - target/i386/tcg/translate.c | 97 +++++++++++++++------------- 4 files changed, 54 insertions(+), 58 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index 86484a4ec4..ebfaca66dd 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -42,9 +42,8 @@ DEF_HELPER_5(lcall_protected, void, env, int, tl, int, tl) DEF_HELPER_2(iret_real, void, env, int) DEF_HELPER_3(iret_protected, void, env, int, int) DEF_HELPER_3(lret_protected, void, env, int, int) -DEF_HELPER_2(read_crN, tl, env, int) -DEF_HELPER_3(write_crN, void, env, int, tl) -DEF_HELPER_2(lmsw, void, env, tl) +DEF_HELPER_FLAGS_2(read_crN, TCG_CALL_NO_RWG, tl, env, int) +DEF_HELPER_FLAGS_3(write_crN, TCG_CALL_NO_RWG, void, env, int, tl) DEF_HELPER_1(clts, void, env) =20 #ifndef CONFIG_USER_ONLY diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c index 0e9a4f0bfc..931dbd9db0 100644 --- a/target/i386/tcg/misc_helper.c +++ b/target/i386/tcg/misc_helper.c @@ -60,14 +60,6 @@ void helper_cpuid(CPUX86State *env) env->regs[R_EDX] =3D edx; } =20 -void helper_lmsw(CPUX86State *env, target_ulong t0) -{ - /* only 4 lower bits of CR0 are modified. PE cannot be set to zero - if already set to one. */ - t0 =3D (env->cr[0] & ~0xe) | (t0 & 0xf); - helper_write_crN(env, 0, t0); -} - void helper_invlpg(CPUX86State *env, target_ulong addr) { X86CPU *cpu =3D env_archcpu(env); diff --git a/target/i386/tcg/sysemu/misc_helper.c b/target/i386/tcg/sysemu/= misc_helper.c index 66e7939537..c7381ef7e8 100644 --- a/target/i386/tcg/sysemu/misc_helper.c +++ b/target/i386/tcg/sysemu/misc_helper.c @@ -65,7 +65,6 @@ target_ulong helper_read_crN(CPUX86State *env, int reg) { target_ulong val; =20 - cpu_svm_check_intercept_param(env, SVM_EXIT_READ_CR0 + reg, 0, GETPC()= ); switch (reg) { default: val =3D env->cr[reg]; @@ -83,7 +82,6 @@ target_ulong helper_read_crN(CPUX86State *env, int reg) =20 void helper_write_crN(CPUX86State *env, int reg, target_ulong t0) { - cpu_svm_check_intercept_param(env, SVM_EXIT_WRITE_CR0 + reg, 0, GETPC(= )); switch (reg) { case 0: cpu_x86_update_cr0(env, t0); diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index d0fef4cce8..6804835712 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -7654,13 +7654,22 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_ECX]); gen_helper_wrpkru(cpu_env, s->tmp2_i32, s->tmp1_i64); break; + CASE_MODRM_OP(6): /* lmsw */ if (!check_cpl0(s)) { break; } gen_svm_check_intercept(s, SVM_EXIT_WRITE_CR0); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); - gen_helper_lmsw(cpu_env, s->T0); + /* + * Only the 4 lower bits of CR0 are modified. + * PE cannot be set to zero if already set to one. + */ + tcg_gen_ld_tl(s->T1, cpu_env, offsetof(CPUX86State, cr[0])); + tcg_gen_andi_tl(s->T0, s->T0, 0xf); + tcg_gen_andi_tl(s->T1, s->T1, ~0xe); + tcg_gen_or_tl(s->T0, s->T0, s->T1); + gen_helper_write_crN(cpu_env, tcg_constant_i32(0), s->T0); gen_jmp_im(s, s->pc - s->cs_base); gen_eob(s); break; @@ -8034,58 +8043,56 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) modrm =3D x86_ldub_code(env, s); gen_nop_modrm(env, s, modrm); break; + case 0x120: /* mov reg, crN */ case 0x122: /* mov crN, reg */ - if (check_cpl0(s)) { - modrm =3D x86_ldub_code(env, s); - /* Ignore the mod bits (assume (modrm&0xc0)=3D=3D0xc0). - * AMD documentation (24594.pdf) and testing of - * intel 386 and 486 processors all show that the mod bits - * are assumed to be 1's, regardless of actual values. - */ - rm =3D (modrm & 7) | REX_B(s); - reg =3D ((modrm >> 3) & 7) | REX_R(s); - if (CODE64(s)) - ot =3D MO_64; - else - ot =3D MO_32; - if ((prefixes & PREFIX_LOCK) && (reg =3D=3D 0) && + if (!check_cpl0(s)) { + break; + } + modrm =3D x86_ldub_code(env, s); + /* + * Ignore the mod bits (assume (modrm&0xc0)=3D=3D0xc0). + * AMD documentation (24594.pdf) and testing of Intel 386 and 486 + * processors all show that the mod bits are assumed to be 1's, + * regardless of actual values. + */ + rm =3D (modrm & 7) | REX_B(s); + reg =3D ((modrm >> 3) & 7) | REX_R(s); + switch (reg) { + case 0: + if ((prefixes & PREFIX_LOCK) && (s->cpuid_ext3_features & CPUID_EXT3_CR8LEG)) { reg =3D 8; } - switch(reg) { - case 0: - case 2: - case 3: - case 4: - case 8: - gen_update_cc_op(s); - gen_jmp_im(s, pc_start - s->cs_base); - if (b & 2) { - if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { - gen_io_start(); - } - gen_op_mov_v_reg(s, ot, s->T0, rm); - gen_helper_write_crN(cpu_env, tcg_const_i32(reg), - s->T0); - gen_jmp_im(s, s->pc - s->cs_base); - gen_eob(s); - } else { - if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { - gen_io_start(); - } - gen_helper_read_crN(s->T0, cpu_env, tcg_const_i32(reg)= ); - gen_op_mov_reg_v(s, ot, rm, s->T0); - if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { - gen_jmp(s, s->pc - s->cs_base); - } - } - break; - default: - goto unknown_op; + break; + case 2: + case 3: + case 4: + break; + default: + goto unknown_op; + } + ot =3D (CODE64(s) ? MO_64 : MO_32); + + if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } + if (b & 2) { + gen_svm_check_intercept(s, SVM_EXIT_WRITE_CR0 + reg); + gen_op_mov_v_reg(s, ot, s->T0, rm); + gen_helper_write_crN(cpu_env, tcg_constant_i32(reg), s->T0); + gen_jmp_im(s, s->pc - s->cs_base); + gen_eob(s); + } else { + gen_svm_check_intercept(s, SVM_EXIT_READ_CR0 + reg); + gen_helper_read_crN(s->T0, cpu_env, tcg_constant_i32(reg)); + gen_op_mov_reg_v(s, ot, rm, s->T0); + if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { + gen_jmp(s, s->pc - s->cs_base); } } break; + case 0x121: /* mov reg, drN */ case 0x123: /* mov drN, reg */ if (check_cpl0(s)) { --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007540; cv=none; d=zohomail.com; s=zohoarc; b=lRzoc9YhNA2czm6qxRaWkIyVcQcoedjJwOo2lw+JS+i2m4I6fGgZFvyLlpgzdOkd9aznzpuSmOm+3HsMLVKlCPjtxRZhzRSI36aHVuTssmlbZ9Rl2VvUOLs03TepewgvP3s74ai/6PqG/dKxH0pgLodQ3paqUXtaXrZavud5e/0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007540; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=JxgXRwC3DPI+6mt093LWUSFLNKSWuwiSEOIYntw4KwM=; b=fTfqsQ97yhVCnwZA4EhdU7FmSjTYdNRmFKtYgKRgQf+LaA/kuPpdQJnb+Mn0YGucAW5+0vVxh6PcJ+6hNc7L1oqx52j2rSniTSZThIJReK8vWaK47vpHOZ5NWHJbkkU85T30GziygYnNfnFWLE5DZ3T2tKWKfOckov+/QoHyJ7s= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621007540084169.26426377635107; Fri, 14 May 2021 08:52:20 -0700 (PDT) Received: from localhost ([::1]:60154 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lha6s-0000bJ-OW for importer@patchew.org; Fri, 14 May 2021 11:52:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37764) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZZ6-0003JJ-N2 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:24 -0400 Received: from mail-qt1-x832.google.com ([2607:f8b0:4864:20::832]:39839) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZZ4-0000Co-RR for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:24 -0400 Received: by mail-qt1-x832.google.com with SMTP id f8so18264845qth.6 for ; Fri, 14 May 2021 08:17:22 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=JxgXRwC3DPI+6mt093LWUSFLNKSWuwiSEOIYntw4KwM=; b=SmIwXFNvb2R3E2Zx+mrboG+BzCziQz5FmVG0iQoaQTwAKi0+WUAE+CfxJcoe4C+iZX c1X7aC56H4PlRjhICu4jK2qA9TypTC4vJuoG8i7uSYKIC+GboKIxatAWi+V4DkW1xD5K IDLbU2u5I4KKPFTOzDXFflKL6sCxpy+gfFXvXOSLfOlBe9vRlpRgYOPTKmuFvZ7gI0hz md9YWCCzt6CL17CUl2H5E7OAIVaH0eamY0xihLbY+ZjmhnCohisJYUmD7L/4AUj41r7X BLI3GISYpUC6GUF0Tu6PbioQRKHmUOWzC++754O0rCsjbp/UoLufGNqcqgrNy7qMYYk4 hZ4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=JxgXRwC3DPI+6mt093LWUSFLNKSWuwiSEOIYntw4KwM=; b=f2EkM7AMH8+FZHrfkn8v1BB2u1MyhO7u/Uu4/BwVhlh6CVu7PnaljZm/Wt+ZWP7FjI RD6w+0YuxcncXVXxyXsL7H5K3zd02LQTPHzebQeZOFEzAbE4z/uWJpJQ4cEjHbPrXOZc sA/SHn6jh+WO2Va1hQQDPhOY5Iup2aAHjjuH3cCd01mvQWjopmE+9TXbB08H0ihBWbZg o2G6FETUMaIR/aw/cxuTbj4wqomzsugqmH77/N06rtkk0zZZq7uhzTkIGwfy3P3JYEgo 0Bd/up5vTg57Gj9tEa2tKv2/Frwk3GixiF1H7dLFjnMooLnSboZdkbkk45pRJ6z+Ij7S Ot4Q== X-Gm-Message-State: AOAM532hHiDCqnQgEy96PI7k/Wq+zr7TMVcRWKSDOas3ufgrDAo5brvs YexLNWCsnjQLmJwfnOeOhKvpvjNEqFwB4FTDH98= X-Google-Smtp-Source: ABdhPJz3hcRqza57VypF2mOvk5vSgiVcKIqAoUM9iyywucTaVVMBs39HhiHxF7MmajW1ykupo5HSnA== X-Received: by 2002:a05:622a:164a:: with SMTP id y10mr4486525qtj.97.1621005441835; Fri, 14 May 2021 08:17:21 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 40/50] target/i386: Pass env to do_pause and do_hlt Date: Fri, 14 May 2021 10:13:32 -0500 Message-Id: <20210514151342.384376-41-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::832; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x832.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Having the callers upcast to X86CPU is a waste, since we don't need it. We even have to recover env in do_hlt. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/misc_helper.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c index 931dbd9db0..23287b330e 100644 --- a/target/i386/tcg/misc_helper.c +++ b/target/i386/tcg/misc_helper.c @@ -101,19 +101,18 @@ void QEMU_NORETURN helper_rdpmc(CPUX86State *env) raise_exception_err(env, EXCP06_ILLOP, 0); } =20 -static QEMU_NORETURN void do_pause(X86CPU *cpu) +static void QEMU_NORETURN do_pause(CPUX86State *env) { - CPUState *cs =3D CPU(cpu); + CPUState *cs =3D env_cpu(env); =20 /* Just let another CPU run. */ cs->exception_index =3D EXCP_INTERRUPT; cpu_loop_exit(cs); } =20 -static QEMU_NORETURN void do_hlt(X86CPU *cpu) +static void QEMU_NORETURN do_hlt(CPUX86State *env) { - CPUState *cs =3D CPU(cpu); - CPUX86State *env =3D &cpu->env; + CPUState *cs =3D env_cpu(env); =20 env->hflags &=3D ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before= */ cs->halted =3D 1; @@ -123,12 +122,10 @@ static QEMU_NORETURN void do_hlt(X86CPU *cpu) =20 void QEMU_NORETURN helper_hlt(CPUX86State *env, int next_eip_addend) { - X86CPU *cpu =3D env_archcpu(env); - cpu_svm_check_intercept_param(env, SVM_EXIT_HLT, 0, GETPC()); env->eip +=3D next_eip_addend; =20 - do_hlt(cpu); + do_hlt(env); } =20 void helper_monitor(CPUX86State *env, target_ulong ptr) @@ -143,7 +140,6 @@ void helper_monitor(CPUX86State *env, target_ulong ptr) void QEMU_NORETURN helper_mwait(CPUX86State *env, int next_eip_addend) { CPUState *cs =3D env_cpu(env); - X86CPU *cpu =3D env_archcpu(env); =20 if ((uint32_t)env->regs[R_ECX] !=3D 0) { raise_exception_ra(env, EXCP0D_GPF, GETPC()); @@ -153,20 +149,18 @@ void QEMU_NORETURN helper_mwait(CPUX86State *env, int= next_eip_addend) =20 /* XXX: not complete but not completely erroneous */ if (cs->cpu_index !=3D 0 || CPU_NEXT(cs) !=3D NULL) { - do_pause(cpu); + do_pause(env); } else { - do_hlt(cpu); + do_hlt(env); } } =20 void QEMU_NORETURN helper_pause(CPUX86State *env, int next_eip_addend) { - X86CPU *cpu =3D env_archcpu(env); - cpu_svm_check_intercept_param(env, SVM_EXIT_PAUSE, 0, GETPC()); env->eip +=3D next_eip_addend; =20 - do_pause(cpu); + do_pause(env); } =20 void QEMU_NORETURN helper_debug(CPUX86State *env) --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007755; cv=none; d=zohomail.com; s=zohoarc; b=nmLYC8unU9awfWKjIHNh35szr7HraiiKh0EzavU5TuIXCgHQL8q/dFfxC/f+NWEgytaoJfXAC6z+Nun4gFMpCM4fZePRTg10fyGQ2kmqrpg34cD/1inJkgfRPFGes+Dk0lOANOMka/+RANjTtgM4zdQoJOnYap1Ecqy0dwm/RKE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007755; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=hrtXxo1loGpNU4VwRmuk9G04e0Yggh7IkYSYIgLWGDg=; b=AsNLuybn5vxj7xQpAuy3tK+qHaboovbRqsZkoP3K4Me07eOFv9GcnAO33fEk22k+oPw4lwOT2oDuNBnGAH+66BpymZ1r6PCPa/AapcKcuFuXDR4JVkCn+C1CtUyYO3l9Vtk9lk/BAJNBTmMNHJFs5UU5mKj0ZuwPG6uS60fviC0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621007755324763.4656509099739; Fri, 14 May 2021 08:55:55 -0700 (PDT) Received: from localhost ([::1]:40582 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhaAL-0006US-JP for importer@patchew.org; Fri, 14 May 2021 11:55:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37790) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZZ7-0003O7-VN for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:25 -0400 Received: from mail-qk1-x72b.google.com ([2607:f8b0:4864:20::72b]:47018) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZZ5-0000Cv-TE for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:25 -0400 Received: by mail-qk1-x72b.google.com with SMTP id 76so29001463qkn.13 for ; Fri, 14 May 2021 08:17:23 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hrtXxo1loGpNU4VwRmuk9G04e0Yggh7IkYSYIgLWGDg=; b=PLWwuC4iOjbEZuixCD4vXn02X+5jpVevgZys62j47XLFtrTxaIqqfPTvzHidLmWuE+ Ef3lErlXjzfZsGvhvTIWSjRkASesl5Xw8dV7DFkjTYljD2hs8Z/g4lbmOAAMQN8xVgAE S7i8Nf6mTzIYU77fdvb63gY2mr/ROXAl79esqzOwQRCCz+YEd8DRE0F0HxYd3cWp9uRp A+TyXmaRpXVRmc2OHwLTLdpwgqJiM7SaZVeLxOC6nxLhMlSYd0f7gau+qgcJVAX/WI6o 5qLf7zT5yTpOrKcXrDz814XknIMGKo5S/BQMaXhpFIweePoZZyrZqgHtD35F+zr1sbsD 7EWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=hrtXxo1loGpNU4VwRmuk9G04e0Yggh7IkYSYIgLWGDg=; b=sN20sJp0ecxWGJOGgnNFn/jqtj6HgSHBb/cEkaSEufgAinOgQN0+6NRG9/y0i1C/Wo DYQWJT9vT1qVL9mi8hIq0KOCunGc+8wDya2RMAms/o+LgZf9y3IMqebMoHZ9yMa0eVgW ZcZolMym4agKrznlhRY9m5ejNfi0cqqmO3okW1JPrKa80xtNtCrfudmcTJ/QCNmYJng6 kcMHXD/2qKhco28Fhhtzu1hTttD8HNV2JCuMFZ64wbKnwRn/tB39GptbWpo5OCKLJbzG 9f9rZ7cd5Zpg2uTqT1tsZyFxMeIxL05WqzvB2Evfl6o/yk02HGzDYk2kpJZOx29kHc6R ARSA== X-Gm-Message-State: AOAM532DdwZ2r4RIbSsC90vbrYiUdIr7Ti1jJ8XrFAI13xNTldzsg++c O+EByHfT0ieI6AyusPelMChX0AmCco2aTuaJqBw= X-Google-Smtp-Source: ABdhPJzcI9Mg61YKGoYBeC5FWyE2RsekNovP/HoNKmV20xV2AkbmlKG5mZSUl5aAsVmwJ4bWoPiPcg== X-Received: by 2002:a37:93c2:: with SMTP id v185mr44436056qkd.179.1621005442806; Fri, 14 May 2021 08:17:22 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 41/50] target/i386: Move invlpg, hlt, monitor, mwait to sysemu Date: Fri, 14 May 2021 10:13:33 -0500 Message-Id: <20210514151342.384376-42-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::72b; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" These instructions are all privileged. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 8 ++-- target/i386/tcg/helper-tcg.h | 1 + target/i386/tcg/misc_helper.c | 55 +--------------------------- target/i386/tcg/sysemu/misc_helper.c | 53 +++++++++++++++++++++++++++ target/i386/tcg/translate.c | 4 ++ 5 files changed, 63 insertions(+), 58 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index ebfaca66dd..ab72eba52a 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -51,7 +51,6 @@ DEF_HELPER_FLAGS_3(set_dr, TCG_CALL_NO_WG, void, env, int= , tl) #endif /* !CONFIG_USER_ONLY */ =20 DEF_HELPER_FLAGS_2(get_dr, TCG_CALL_NO_WG, tl, env, int) -DEF_HELPER_2(invlpg, void, env, tl) =20 DEF_HELPER_1(sysenter, void, env) DEF_HELPER_2(sysexit, void, env, int) @@ -59,9 +58,6 @@ DEF_HELPER_2(sysexit, void, env, int) DEF_HELPER_2(syscall, void, env, int) DEF_HELPER_2(sysret, void, env, int) #endif -DEF_HELPER_FLAGS_2(hlt, TCG_CALL_NO_WG, noreturn, env, int) -DEF_HELPER_FLAGS_2(monitor, TCG_CALL_NO_WG, void, env, tl) -DEF_HELPER_FLAGS_2(mwait, TCG_CALL_NO_WG, noreturn, env, int) DEF_HELPER_FLAGS_2(pause, TCG_CALL_NO_WG, noreturn, env, int) DEF_HELPER_FLAGS_1(debug, TCG_CALL_NO_WG, noreturn, env) DEF_HELPER_1(reset_rf, void, env) @@ -115,6 +111,10 @@ DEF_HELPER_2(vmsave, void, env, int) DEF_HELPER_1(stgi, void, env) DEF_HELPER_1(clgi, void, env) DEF_HELPER_2(invlpga, void, env, int) +DEF_HELPER_2(invlpg, void, env, tl) +DEF_HELPER_FLAGS_2(hlt, TCG_CALL_NO_WG, noreturn, env, int) +DEF_HELPER_FLAGS_2(monitor, TCG_CALL_NO_WG, void, env, tl) +DEF_HELPER_FLAGS_2(mwait, TCG_CALL_NO_WG, noreturn, env, int) #endif /* !CONFIG_USER_ONLY */ =20 /* x86 FPU */ diff --git a/target/i386/tcg/helper-tcg.h b/target/i386/tcg/helper-tcg.h index 85a8b0ebd6..2510cc244e 100644 --- a/target/i386/tcg/helper-tcg.h +++ b/target/i386/tcg/helper-tcg.h @@ -76,6 +76,7 @@ extern const uint8_t parity_table[256]; =20 /* misc_helper.c */ void cpu_load_eflags(CPUX86State *env, int eflags, int update_mask); +void do_pause(CPUX86State *env) QEMU_NORETURN; =20 /* sysemu/svm_helper.c */ #ifndef CONFIG_USER_ONLY diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c index 23287b330e..baffa5d7ba 100644 --- a/target/i386/tcg/misc_helper.c +++ b/target/i386/tcg/misc_helper.c @@ -60,14 +60,6 @@ void helper_cpuid(CPUX86State *env) env->regs[R_EDX] =3D edx; } =20 -void helper_invlpg(CPUX86State *env, target_ulong addr) -{ - X86CPU *cpu =3D env_archcpu(env); - - cpu_svm_check_intercept_param(env, SVM_EXIT_INVLPG, 0, GETPC()); - tlb_flush_page(CPU(cpu), addr); -} - void helper_rdtsc(CPUX86State *env) { uint64_t val; @@ -101,7 +93,7 @@ void QEMU_NORETURN helper_rdpmc(CPUX86State *env) raise_exception_err(env, EXCP06_ILLOP, 0); } =20 -static void QEMU_NORETURN do_pause(CPUX86State *env) +void QEMU_NORETURN do_pause(CPUX86State *env) { CPUState *cs =3D env_cpu(env); =20 @@ -110,51 +102,6 @@ static void QEMU_NORETURN do_pause(CPUX86State *env) cpu_loop_exit(cs); } =20 -static void QEMU_NORETURN do_hlt(CPUX86State *env) -{ - CPUState *cs =3D env_cpu(env); - - env->hflags &=3D ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before= */ - cs->halted =3D 1; - cs->exception_index =3D EXCP_HLT; - cpu_loop_exit(cs); -} - -void QEMU_NORETURN helper_hlt(CPUX86State *env, int next_eip_addend) -{ - cpu_svm_check_intercept_param(env, SVM_EXIT_HLT, 0, GETPC()); - env->eip +=3D next_eip_addend; - - do_hlt(env); -} - -void helper_monitor(CPUX86State *env, target_ulong ptr) -{ - if ((uint32_t)env->regs[R_ECX] !=3D 0) { - raise_exception_ra(env, EXCP0D_GPF, GETPC()); - } - /* XXX: store address? */ - cpu_svm_check_intercept_param(env, SVM_EXIT_MONITOR, 0, GETPC()); -} - -void QEMU_NORETURN helper_mwait(CPUX86State *env, int next_eip_addend) -{ - CPUState *cs =3D env_cpu(env); - - if ((uint32_t)env->regs[R_ECX] !=3D 0) { - raise_exception_ra(env, EXCP0D_GPF, GETPC()); - } - cpu_svm_check_intercept_param(env, SVM_EXIT_MWAIT, 0, GETPC()); - env->eip +=3D next_eip_addend; - - /* XXX: not complete but not completely erroneous */ - if (cs->cpu_index !=3D 0 || CPU_NEXT(cs) !=3D NULL) { - do_pause(env); - } else { - do_hlt(env); - } -} - void QEMU_NORETURN helper_pause(CPUX86State *env, int next_eip_addend) { cpu_svm_check_intercept_param(env, SVM_EXIT_PAUSE, 0, GETPC()); diff --git a/target/i386/tcg/sysemu/misc_helper.c b/target/i386/tcg/sysemu/= misc_helper.c index c7381ef7e8..803c39e2fb 100644 --- a/target/i386/tcg/sysemu/misc_helper.c +++ b/target/i386/tcg/sysemu/misc_helper.c @@ -438,3 +438,56 @@ void helper_rdmsr(CPUX86State *env) env->regs[R_EAX] =3D (uint32_t)(val); env->regs[R_EDX] =3D (uint32_t)(val >> 32); } + +void helper_invlpg(CPUX86State *env, target_ulong addr) +{ + X86CPU *cpu =3D env_archcpu(env); + + cpu_svm_check_intercept_param(env, SVM_EXIT_INVLPG, 0, GETPC()); + tlb_flush_page(CPU(cpu), addr); +} + +static void QEMU_NORETURN do_hlt(CPUX86State *env) +{ + CPUState *cs =3D env_cpu(env); + + env->hflags &=3D ~HF_INHIBIT_IRQ_MASK; /* needed if sti is just before= */ + cs->halted =3D 1; + cs->exception_index =3D EXCP_HLT; + cpu_loop_exit(cs); +} + +void QEMU_NORETURN helper_hlt(CPUX86State *env, int next_eip_addend) +{ + cpu_svm_check_intercept_param(env, SVM_EXIT_HLT, 0, GETPC()); + env->eip +=3D next_eip_addend; + + do_hlt(env); +} + +void helper_monitor(CPUX86State *env, target_ulong ptr) +{ + if ((uint32_t)env->regs[R_ECX] !=3D 0) { + raise_exception_ra(env, EXCP0D_GPF, GETPC()); + } + /* XXX: store address? */ + cpu_svm_check_intercept_param(env, SVM_EXIT_MONITOR, 0, GETPC()); +} + +void QEMU_NORETURN helper_mwait(CPUX86State *env, int next_eip_addend) +{ + CPUState *cs =3D env_cpu(env); + + if ((uint32_t)env->regs[R_ECX] !=3D 0) { + raise_exception_ra(env, EXCP0D_GPF, GETPC()); + } + cpu_svm_check_intercept_param(env, SVM_EXIT_MWAIT, 0, GETPC()); + env->eip +=3D next_eip_addend; + + /* XXX: not complete but not completely erroneous */ + if (cs->cpu_index !=3D 0 || CPU_NEXT(cs) !=3D NULL) { + do_pause(env); + } else { + do_hlt(env); + } +} diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 6804835712..76a6503f3d 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -194,7 +194,11 @@ typedef struct DisasContext { =20 #ifdef CONFIG_USER_ONLY STUB_HELPER(clgi, TCGv_env env) +STUB_HELPER(hlt, TCGv_env env, TCGv_i32 pc_ofs) STUB_HELPER(invlpga, TCGv_env env, TCGv_i32 aflag) +STUB_HELPER(invlpg, TCGv_env env, TCGv addr) +STUB_HELPER(monitor, TCGv_env env, TCGv addr) +STUB_HELPER(mwait, TCGv_env env, TCGv_i32 pc_ofs) STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) STUB_HELPER(stgi, TCGv_env env) STUB_HELPER(svm_check_intercept, TCGv_env env, TCGv_i32 type) --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007755; cv=none; d=zohomail.com; s=zohoarc; b=lW4rj7SWNlQzmMkYYQbDXs4pp7I/AXkCl1yzKr7hHf/HBZOM0jMIOTCb0aSB+1Rx982gwtXUp42Ys2lSDwCfqpqbLF1ly0heR5Jl3bWr2SJJhKz9pxnT/74R+NZnzNHCvbV25tHVGvoTXb+tm+NFk/vl9TgQ+8du7y9QmMR4kcc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007755; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Ah8to48MQohmOTdvia8m7xOiGMpn6kuO2ZYP3/N5Gro=; b=YHQFAk/CdxF7hj7TOl1whY+/fp+hM3p9PauqT6trozEtZEi0EEjC2Se2HTpIHaz+SUirRhmkj9GNShQ+SrsW3gA45Hj9Zkc6ISQ5xJH/1dxiCbh5BXc5Y3xNt1N8/1WKBvpgDZE9y4qGCpO7HFX03wou54NouxpkT4t/RHwpaXY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621007754977299.0119855816181; Fri, 14 May 2021 08:55:54 -0700 (PDT) Received: from localhost ([::1]:40626 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhaAJ-0006Xd-JU for importer@patchew.org; Fri, 14 May 2021 11:55:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37802) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZZ8-0003RL-M8 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:26 -0400 Received: from mail-qt1-x835.google.com ([2607:f8b0:4864:20::835]:38484) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZZ6-0000DL-LH for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:26 -0400 Received: by mail-qt1-x835.google.com with SMTP id h21so18665135qtu.5 for ; Fri, 14 May 2021 08:17:24 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Ah8to48MQohmOTdvia8m7xOiGMpn6kuO2ZYP3/N5Gro=; b=oZDfC96V0IGp4041o2wl+EKiluVU2IrPk1cfvy1dG5qG7v5r1T3MRl/6oUaSKd97Y9 waXz0Z07EQta2auxA8VDVXUA4lmFTNZ6pgKvbMl6NNfQPG30++IlnQh7vkq7elPxWdos IbgBAIpt6dXKUq/KjjCLfFlHU8wgLiSuQ2DubLZ7cJIhlymoxt8rwFsGEWy3z3/XceKt N5WHsPcfKPEOOKx501vd30tDPizVhG92tMcEB2uB7DGRkcTmjKrhBBVhehPoknRwIOyZ 3v0aQzdroPaV+85LMR8bGLKH6TvcA+UB+IfepGv8NZ+MgFJpYBvBlMNUudj2CQ81T7ly z1Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Ah8to48MQohmOTdvia8m7xOiGMpn6kuO2ZYP3/N5Gro=; b=GBXnpUzsTluKM54X9SLnCcGdetX4v1tL/NvDGcb3O0B+htD6saxRIj4o2Iu4LC1Xa/ quERG+TpXFFPIAEKiCs1HBtS/y0OC4/ZIgawMkQvrcT/emrgDTZHTmcXbycVmEj0sVQ8 NSlajJzapBg81Kwy2VqBALI7PUSlAmNESgQ/jT9ZsSrCc58w0m80ZdplOZDmyXQDnAkX wrHvCqRH8cy6QGTDRn5EupZIDH7dJedb8QHYA1wn83+Mro2jEF8DcAXtnmt4DIi5NU1M e3xc500jBcn2UmEmMqtsfpQ8lmmxzbnua3TC2HorsJRzAtRqDYTY/Qu67r7Dw22BV2/X CnxQ== X-Gm-Message-State: AOAM5321rF3c8mbQAEG1IB6y9Ry6AjQ/OyHxSUhmVKmxb6iNAeaOxXJu pPwuwoTJUkAsjFx1jL7nsiugIE9tRB1UAdnpNqg= X-Google-Smtp-Source: ABdhPJwSnRSe2gl2gUw6NS6VD7RUOktKdjbbEZ5MCVHJoXFCGHeSDX7Vzv3HNwkzIh3swNDuZG8QIg== X-Received: by 2002:ac8:744b:: with SMTP id h11mr44916419qtr.199.1621005443787; Fri, 14 May 2021 08:17:23 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 42/50] target/i386: Unify invlpg, invlpga Date: Fri, 14 May 2021 10:13:34 -0500 Message-Id: <20210514151342.384376-43-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::835; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x835.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Use a single helper, flush_page, to do the work. Use gen_svm_check_intercept. Perform the zero-extension for invlpga inline. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 3 +-- target/i386/tcg/sysemu/misc_helper.c | 7 ++----- target/i386/tcg/sysemu/svm_helper.c | 18 ------------------ target/i386/tcg/translate.c | 20 ++++++++++++-------- 4 files changed, 15 insertions(+), 33 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index ab72eba52a..0264fba335 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -110,8 +110,7 @@ DEF_HELPER_2(vmload, void, env, int) DEF_HELPER_2(vmsave, void, env, int) DEF_HELPER_1(stgi, void, env) DEF_HELPER_1(clgi, void, env) -DEF_HELPER_2(invlpga, void, env, int) -DEF_HELPER_2(invlpg, void, env, tl) +DEF_HELPER_FLAGS_2(flush_page, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_2(hlt, TCG_CALL_NO_WG, noreturn, env, int) DEF_HELPER_FLAGS_2(monitor, TCG_CALL_NO_WG, void, env, tl) DEF_HELPER_FLAGS_2(mwait, TCG_CALL_NO_WG, noreturn, env, int) diff --git a/target/i386/tcg/sysemu/misc_helper.c b/target/i386/tcg/sysemu/= misc_helper.c index 803c39e2fb..0cef2f1a4c 100644 --- a/target/i386/tcg/sysemu/misc_helper.c +++ b/target/i386/tcg/sysemu/misc_helper.c @@ -439,12 +439,9 @@ void helper_rdmsr(CPUX86State *env) env->regs[R_EDX] =3D (uint32_t)(val >> 32); } =20 -void helper_invlpg(CPUX86State *env, target_ulong addr) +void helper_flush_page(CPUX86State *env, target_ulong addr) { - X86CPU *cpu =3D env_archcpu(env); - - cpu_svm_check_intercept_param(env, SVM_EXIT_INVLPG, 0, GETPC()); - tlb_flush_page(CPU(cpu), addr); + tlb_flush_page(env_cpu(env), addr); } =20 static void QEMU_NORETURN do_hlt(CPUX86State *env) diff --git a/target/i386/tcg/sysemu/svm_helper.c b/target/i386/tcg/sysemu/s= vm_helper.c index b431016e72..9d671297cf 100644 --- a/target/i386/tcg/sysemu/svm_helper.c +++ b/target/i386/tcg/sysemu/svm_helper.c @@ -412,24 +412,6 @@ void helper_clgi(CPUX86State *env) env->hflags2 &=3D ~HF2_GIF_MASK; } =20 -void helper_invlpga(CPUX86State *env, int aflag) -{ - X86CPU *cpu =3D env_archcpu(env); - target_ulong addr; - - cpu_svm_check_intercept_param(env, SVM_EXIT_INVLPGA, 0, GETPC()); - - if (aflag =3D=3D 2) { - addr =3D env->regs[R_EAX]; - } else { - addr =3D (uint32_t)env->regs[R_EAX]; - } - - /* XXX: could use the ASID to see if it is needed to do the - flush */ - tlb_flush_page(CPU(cpu), addr); -} - void cpu_svm_check_intercept_param(CPUX86State *env, uint32_t type, uint64_t param, uintptr_t retaddr) { diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 76a6503f3d..104101c8a8 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -194,9 +194,8 @@ typedef struct DisasContext { =20 #ifdef CONFIG_USER_ONLY STUB_HELPER(clgi, TCGv_env env) +STUB_HELPER(flush_page, TCGv_env env, TCGv addr) STUB_HELPER(hlt, TCGv_env env, TCGv_i32 pc_ofs) -STUB_HELPER(invlpga, TCGv_env env, TCGv_i32 aflag) -STUB_HELPER(invlpg, TCGv_env env, TCGv addr) STUB_HELPER(monitor, TCGv_env env, TCGv addr) STUB_HELPER(mwait, TCGv_env env, TCGv_i32 pc_ofs) STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) @@ -7592,9 +7591,15 @@ static target_ulong disas_insn(DisasContext *s, CPUS= tate *cpu) if (!check_cpl0(s)) { break; } - gen_update_cc_op(s); - gen_jmp_im(s, pc_start - s->cs_base); - gen_helper_invlpga(cpu_env, tcg_const_i32(s->aflag - 1)); + gen_svm_check_intercept(s, SVM_EXIT_INVLPGA); + if (s->aflag =3D=3D MO_64) { + tcg_gen_mov_tl(s->A0, cpu_regs[R_EAX]); + } else { + tcg_gen_ext32u_tl(s->A0, cpu_regs[R_EAX]); + } + gen_helper_flush_page(cpu_env, s->A0); + gen_jmp_im(s, s->pc - s->cs_base); + gen_eob(s); break; =20 CASE_MODRM_MEM_OP(2): /* lgdt */ @@ -7682,10 +7687,9 @@ static target_ulong disas_insn(DisasContext *s, CPUS= tate *cpu) if (!check_cpl0(s)) { break; } - gen_update_cc_op(s); - gen_jmp_im(s, pc_start - s->cs_base); + gen_svm_check_intercept(s, SVM_EXIT_INVLPG); gen_lea_modrm(env, s, modrm); - gen_helper_invlpg(cpu_env, s->A0); + gen_helper_flush_page(cpu_env, s->A0); gen_jmp_im(s, s->pc - s->cs_base); gen_eob(s); break; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=E3IjHlVaIyEjDB61BTdAxiMByx7XKemKwC7VYhz1qZc=; b=NhfUmkFsKKmglpAo3/A9l2Mxwb2HEKEAJAPSYcuiLQz5t3qx9siNWWdst1CLtFStr3 fba6qXq4NnLKs+qvo4VnVfKxK/Y/CxprOdUWZUL282lmpOBLyvY2Wp1kaWQ2/hJdoJs+ iQ9pEIc6zwMKP7silXunxVDq/+jbj8wd8CqBSaiMuzsdU+kcnOPpzVxV6bzXszVaQUG6 XcVQsDQAQB4fiOLl2YY0FkLgjIIr1RGeDNmc4hcDuNHJic+1lCBBqlQxdvnZmaPOARKL OjN8Vzf2GzXXShWag5Y5EbatPFAimP6yFvrgrsgI8SLav4c8UCtqeBJCg2BFTmzhcX2L Y1tA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=E3IjHlVaIyEjDB61BTdAxiMByx7XKemKwC7VYhz1qZc=; b=JUH7ndTcGRYHQaiV91jm6U2kH0mGifnZo+yqIOk8QnsopDkmxqdCjl9jN/K/u4uI0r jvAAVVyeXpS2kPyEZH1YZN0Zgz9zKT7A1MPCSJhbC+i6USxpa77/ZcAa5frVtYVFSjDi m+q7pp0n7gWbEuLjMj2Qjv4Xuy+po/kaK4dsJjjQWcPNStw/Nlc8T6+H4CieAMQk79Tt CY4CF7CoMa2QDf6BhsRhN/3vCZeEC+E6/qei6jUYZmMAU220pUZm9vSAJA9+uIsSORrx SkIY1um0YL5+GVtf7FFdrJXKsE/6bsCB6LIV4u1l9y3lfhoJUuVfvZekLOBiJ56E4qUK wEcg== X-Gm-Message-State: AOAM53123IWyvxa5LOlnG5kNz1gJnTv4qr9hWq9KRQDgz3D9gvxUyxxJ qV9Uo8NlOdQUIUVsZG3u0eBcGMzlTUxSJ0AV8LE= X-Google-Smtp-Source: ABdhPJxnurLrd+xy7B8iMnXRbmHnCIuz8aLZV96LoeR6fcHfCu7EqdK8J4B9QjFATTCvKpCh/FQJxQ== X-Received: by 2002:a37:a546:: with SMTP id o67mr44972789qke.160.1621005444735; Fri, 14 May 2021 08:17:24 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 43/50] target/i386: Inline user cpu_svm_check_intercept_param Date: Fri, 14 May 2021 10:13:35 -0500 Message-Id: <20210514151342.384376-44-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::735; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x735.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The user-version is a no-op. This lets us completely remove tcg/user/svm_stubs.c. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/cpu.h | 8 ++++++++ target/i386/tcg/user/svm_stubs.c | 28 ---------------------------- target/i386/tcg/user/meson.build | 1 - 3 files changed, 8 insertions(+), 29 deletions(-) delete mode 100644 target/i386/tcg/user/svm_stubs.c diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 324ef92beb..e6836393f7 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -2146,8 +2146,16 @@ static inline void cpu_set_fpuc(CPUX86State *env, ui= nt16_t fpuc) void helper_lock_init(void); =20 /* svm_helper.c */ +#ifdef CONFIG_USER_ONLY +static inline void +cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, + uint64_t param, uintptr_t retaddr) +{ /* no-op */ } +#else void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, uint64_t param, uintptr_t retaddr); +#endif + /* apic.c */ void cpu_report_tpr_access(CPUX86State *env, TPRAccess access); void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip, diff --git a/target/i386/tcg/user/svm_stubs.c b/target/i386/tcg/user/svm_st= ubs.c deleted file mode 100644 index db818f89a8..0000000000 --- a/target/i386/tcg/user/svm_stubs.c +++ /dev/null @@ -1,28 +0,0 @@ -/* - * x86 SVM helpers (user-mode) - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see . - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "exec/helper-proto.h" -#include "tcg/helper-tcg.h" - -void cpu_svm_check_intercept_param(CPUX86State *env, uint32_t type, - uint64_t param, uintptr_t retaddr) -{ -} diff --git a/target/i386/tcg/user/meson.build b/target/i386/tcg/user/meson.= build index 9eac0e69ca..3555b15bdd 100644 --- a/target/i386/tcg/user/meson.build +++ b/target/i386/tcg/user/meson.build @@ -1,6 +1,5 @@ i386_user_ss.add(when: ['CONFIG_TCG', 'CONFIG_USER_ONLY'], if_true: files( 'excp_helper.c', 'misc_stubs.c', - 'svm_stubs.c', 'seg_helper.c', )) --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621006876; cv=none; d=zohomail.com; s=zohoarc; b=Kt+vM3huUbaPJzR1wA1e0VFfENSI8Q7RxGoSx+TL0U8ikgW9QntFmNfmvP0d5zfC92QNM8lohyIg4Ft/mqhZYvOucG/qzd4UWLohNiF3Smb3QhIQEC1ppuQP/54NEoLaYAg+ml3gB8UNsInE+tdiMDLAKeeB0Y+mgF6YtUtij3Y= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621006876; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=UUFFT+y5F2S8cXEuCQEETTjZwWb0VciY8UlipYxFAPY=; b=jULO8yh7AdV50n9ng5HSYrgTCOep9EP1uFYJTGTsCtDupITfTy2Q6J6JIGpjnDDP2UrpeU/RBHoI9MEgccLeC0v8Xwf3KiVq6EM56jds5RxSVk++D2LHfM7sfOOwcQPwVj1OU3xZ57uNKV/Oi7XXeYYrQ2L9nQ+YF2teOMz0DE8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621006876696646.4460208794603; Fri, 14 May 2021 08:41:16 -0700 (PDT) Received: from localhost ([::1]:35112 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZwB-0007oW-4B for importer@patchew.org; Fri, 14 May 2021 11:41:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37828) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZZA-0003Xe-Es for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:28 -0400 Received: from mail-qt1-x833.google.com ([2607:f8b0:4864:20::833]:42609) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZZ8-0000Ed-FR for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:28 -0400 Received: by mail-qt1-x833.google.com with SMTP id k10so8889715qtp.9 for ; Fri, 14 May 2021 08:17:26 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UUFFT+y5F2S8cXEuCQEETTjZwWb0VciY8UlipYxFAPY=; b=IbhNQcxdvrhMMVBeHCM0XTQp2gBmUM4Oa6a+UXLBObFKwv048DMo/DU88FM28Ew4kC psZ7if1XyhGglY/5+ZmPPc8US6vas6SQ4dyM7AQFt82Z/TNW8fvXZQ7GCl/Vyyv4CTKt RBC6GaE2beXlCQ3l3biXafg5yDKE9FijQPg9vOaXx78jo4Y+vNrO6wWzpiGxuwgSra0t 6r+yeTmoeVI4U03LU1LOaqVOpQ0INVXHDEU8Spfiv1LlbxwaaO5Yq/faRnxfFoX1qoAc RoWXgDWmZY2BCh3Wwml0yXOlXeMC88nXuMiAe+VOmCtZgTO6jSI5yaLVhme2IIx72v4P BP3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UUFFT+y5F2S8cXEuCQEETTjZwWb0VciY8UlipYxFAPY=; b=ECTVU4x3PMhYs+xynIMpo2+CD/ckNVXLSltRYLiioc8/1xSVJ2h8WUvyDozdRmij36 pz5hMB7cywHUwXx/YNvTZvEAPy04pdn8IrIx1NDW+aIfYPXMnGyK9cQC4cWRDTXoOMLA evmEDkKhII1Phm15Hs3xqIfgCE73EZiult4t0IdpFhYWoQ4cWuPv6jgxaQdS9s39AMZE e6H5iojZYFPn6IIQ/bmkoMknAUydT2i7YoYvBA+Z86L6r13NzP/pfgoMY5pVyG0VyYnm BLbaDkXZ1yEKVJyiQNrnkTzYftCRshX2XfZhe8XKuYbt/aj+kmrhEsnuJkOVghbICx9z vGdA== X-Gm-Message-State: AOAM530DDj+l+2l+ESCjj909MRetS4gWGl0OCW4NinHmAVpMMmXYphAt mI4GcPA4/9s8nPwYaroHPQbyRh14IyX+dpGlISs= X-Google-Smtp-Source: ABdhPJyvmEwdpmRwqs6WeAc9smjY8Se2TkE3BDHeOLMnIRc9fHzx8txOp95ldmSTO6IvJJFer7YnDQ== X-Received: by 2002:ac8:4e21:: with SMTP id d1mr42986590qtw.290.1621005445648; Fri, 14 May 2021 08:17:25 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 44/50] target/i386: Eliminate user stubs for read/write_crN, rd/wrmsr Date: Fri, 14 May 2021 10:13:36 -0500 Message-Id: <20210514151342.384376-45-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::833; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x833.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 8 ++++---- target/i386/tcg/translate.c | 4 ++++ target/i386/tcg/user/misc_stubs.c | 20 -------------------- 3 files changed, 8 insertions(+), 24 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index 0264fba335..1d85f033df 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -42,8 +42,6 @@ DEF_HELPER_5(lcall_protected, void, env, int, tl, int, tl) DEF_HELPER_2(iret_real, void, env, int) DEF_HELPER_3(iret_protected, void, env, int, int) DEF_HELPER_3(lret_protected, void, env, int, int) -DEF_HELPER_FLAGS_2(read_crN, TCG_CALL_NO_RWG, tl, env, int) -DEF_HELPER_FLAGS_3(write_crN, TCG_CALL_NO_RWG, void, env, int, tl) DEF_HELPER_1(clts, void, env) =20 #ifndef CONFIG_USER_ONLY @@ -87,8 +85,6 @@ DEF_HELPER_1(cpuid, void, env) DEF_HELPER_1(rdtsc, void, env) DEF_HELPER_1(rdtscp, void, env) DEF_HELPER_FLAGS_1(rdpmc, TCG_CALL_NO_WG, noreturn, env) -DEF_HELPER_1(rdmsr, void, env) -DEF_HELPER_1(wrmsr, void, env) =20 DEF_HELPER_2(check_iob, void, env, i32) DEF_HELPER_2(check_iow, void, env, i32) @@ -114,6 +110,10 @@ DEF_HELPER_FLAGS_2(flush_page, TCG_CALL_NO_RWG, void, = env, tl) DEF_HELPER_FLAGS_2(hlt, TCG_CALL_NO_WG, noreturn, env, int) DEF_HELPER_FLAGS_2(monitor, TCG_CALL_NO_WG, void, env, tl) DEF_HELPER_FLAGS_2(mwait, TCG_CALL_NO_WG, noreturn, env, int) +DEF_HELPER_1(rdmsr, void, env) +DEF_HELPER_1(wrmsr, void, env) +DEF_HELPER_FLAGS_2(read_crN, TCG_CALL_NO_RWG, tl, env, int) +DEF_HELPER_FLAGS_3(write_crN, TCG_CALL_NO_RWG, void, env, int, tl) #endif /* !CONFIG_USER_ONLY */ =20 /* x86 FPU */ diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 104101c8a8..2aa2410336 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -198,6 +198,8 @@ STUB_HELPER(flush_page, TCGv_env env, TCGv addr) STUB_HELPER(hlt, TCGv_env env, TCGv_i32 pc_ofs) STUB_HELPER(monitor, TCGv_env env, TCGv addr) STUB_HELPER(mwait, TCGv_env env, TCGv_i32 pc_ofs) +STUB_HELPER(rdmsr, TCGv_env env) +STUB_HELPER(read_crN, TCGv ret, TCGv_env env, TCGv_i32 reg) STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) STUB_HELPER(stgi, TCGv_env env) STUB_HELPER(svm_check_intercept, TCGv_env env, TCGv_i32 type) @@ -206,6 +208,8 @@ STUB_HELPER(vmload, TCGv_env env, TCGv_i32 aflag) STUB_HELPER(vmmcall, TCGv_env env) STUB_HELPER(vmrun, TCGv_env env, TCGv_i32 aflag, TCGv_i32 pc_ofs) STUB_HELPER(vmsave, TCGv_env env, TCGv_i32 aflag) +STUB_HELPER(write_crN, TCGv_env env, TCGv_i32 reg, TCGv val) +STUB_HELPER(wrmsr, TCGv_env env) #endif =20 static void gen_eob(DisasContext *s); diff --git a/target/i386/tcg/user/misc_stubs.c b/target/i386/tcg/user/misc_= stubs.c index 84df4e65ff..df38b44d6e 100644 --- a/target/i386/tcg/user/misc_stubs.c +++ b/target/i386/tcg/user/misc_stubs.c @@ -53,23 +53,3 @@ target_ulong helper_inl(CPUX86State *env, uint32_t port) g_assert_not_reached(); return 0; } - -target_ulong helper_read_crN(CPUX86State *env, int reg) -{ - g_assert_not_reached(); -} - -void helper_write_crN(CPUX86State *env, int reg, target_ulong t0) -{ - g_assert_not_reached(); -} - -void helper_wrmsr(CPUX86State *env) -{ - g_assert_not_reached(); -} - -void helper_rdmsr(CPUX86State *env) -{ - g_assert_not_reached(); -} --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QRRbIYZnMJygZMeuiu8ub/8sm7AeW6vOv0S7nYlH/yg=; b=D+cDVMDQSz7KwTaB1yY3mwpxgO1iCBbWce9vM9WUHTqQ0Z+FHOhYuazAkJa3lXk1D0 bpy3da559f6r2MJ/v24YK/1ZDvBXFmPntlPq8ZxgLH2ZJWfM39SYVOTizZkHik3M3BxI wjWrgR8ZxSWs4Ist2+o0D8MDtjHD1/LwALO6amlB8mYajdhSaMXwRY7S+qeEWi/w3wmG tssAQUaxfYsf2844ctiE1Y+t+behfQQNWLhhnE/PfoEd5HrkycnpSf9PrisPdVQT5t7y JVg6zm3KVHXI3Pov2JukE2xM00m4EQQvcGCdw7vS4Rlp22Hm4lokR/r9HWw0j9kks7g7 Lefw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QRRbIYZnMJygZMeuiu8ub/8sm7AeW6vOv0S7nYlH/yg=; b=sVVKy18byTPZq6+YPqHNq/q/vnZ8NhL/3YFkG2DnZbrJNTtG0W1a5f2fyyaqX3VKUA NfYlvgSahThXMMaju7g3Hnq9x8LTYog8a3fzZkxohDgidlQS/AJwdolCCrDIAcPiAJUa iYXmi6Zl0nkJzudz0nbeB8VM6zw7p4ueI5ccp2rv9171/wTfo3viNdKakiOcabkfATpi EfcDot5FstQXux+L/XAmjPSFEdKh1QbjFA70NszYFTrW+OpH8FrPP56eIJx/32vLPt+N 0FMqbAxxL5q7I8Ceox5JIS86Wr070Z8eqHWCQhar/jx9F0XAoQpb7hTW2/fa1SBlcscv I9Sw== X-Gm-Message-State: AOAM532gi8DHXQYqb2LSSaHRBjFl1R0diW0E1bV6vP4Qq3JS6NGWwtus NO1uiSSk4MZE78Ijgb8QkMFzfjQXDoRCXS/p0IM= X-Google-Smtp-Source: ABdhPJxNn6Z4TBDsVDhLcfec2lIeghXpWa2tMQis/ARsaxdxsuG8Lj2Kev3fAX/BTF3dAxWyeKW2Nw== X-Received: by 2002:a05:620a:3c3:: with SMTP id r3mr43118017qkm.35.1621005446595; Fri, 14 May 2021 08:17:26 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 45/50] target/i386: Exit tb after wrmsr Date: Fri, 14 May 2021 10:13:37 -0500 Message-Id: <20210514151342.384376-46-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::732; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x732.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" At minimum, wrmsr can change efer, which affects HF_LMA. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 2aa2410336..6eeaa3a98b 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -7260,6 +7260,8 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) gen_helper_rdmsr(cpu_env); } else { gen_helper_wrmsr(cpu_env); + gen_jmp_im(s, s->pc - s->cs_base); + gen_eob(s); } } break; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007109; cv=none; d=zohomail.com; s=zohoarc; b=FT6Z3oBMOreA1BUosHtqX58cDjSl5pXGBotSZUY7QBoMUgil6OP9raVvuHGZMTxGJmujZOUb3exXYB/no93qH3FlVrYjExWCdK0oqIxeOMMylNfAC4q3YK7MZKjhLEDdU5It0LpQTQnCXqeKP9cuh8Z2FHmH+cxezX3Eud7SKxU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007109; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=MvJuB4xxwvjoF58ARslDZdYiEoaj+dyW+QyQ8KS7pRg=; b=OauAvAeW53lJi+uYegOtKdDu4gU4SlksvVzjCH5YjdYDeUiZgLDDFVAwct9h0+gaKA/GB6yeZnOR5gh3K/dxFICPULWTCdmvsaiBg/vpSATShx11Fz03MPuxrdrbl9Z/cIDhDdxyVwd1hb9pZX3j3HNbgBQxFk5XlEtdWs2xa3Y= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621007109600654.2887403649971; Fri, 14 May 2021 08:45:09 -0700 (PDT) Received: from localhost ([::1]:43612 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhZzw-0005c9-2f for importer@patchew.org; Fri, 14 May 2021 11:45:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37848) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZZC-0003fO-7E for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:30 -0400 Received: from mail-qk1-x734.google.com ([2607:f8b0:4864:20::734]:33433) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZZA-0000Fa-BN for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:29 -0400 Received: by mail-qk1-x734.google.com with SMTP id f29so16784738qka.0 for ; Fri, 14 May 2021 08:17:27 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=MvJuB4xxwvjoF58ARslDZdYiEoaj+dyW+QyQ8KS7pRg=; b=JJeBIr6hrXrVhY5Ta4GsPWV8vO64Xy1SF6LCnOuoGWrHzzhaTo9N8FT0O7L3tbWumX d72ahp3Bdwu5ynWzyO3s7G22kay3VAsDQOSDXKXwdmjVo3CWqWm9KWSTCwCfgNRsODI1 HriolQ39kL/PWcFPdUomQPIasW0yWyj7l6fZ1MAfGfLS5KUAQ1Nim7qzwHLGxst3KKj4 UqAgcqWZ9LG/2OWx/LEwh6sN0VuJJgu0yBpzFe0ZW6+Dw5GN4Iq/XsC3aUVFKweTZr8+ 1zE1y8tlZyt5/8xYQbPLE4VruIlvC4AXhHS/g9Pbc80sZHA95fVe3+rBheryFbFvpZ7p BhhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=MvJuB4xxwvjoF58ARslDZdYiEoaj+dyW+QyQ8KS7pRg=; b=B62bzS2KqtG4fH6jDUtuhb7idp2gC7cmNdFEp15IZM9WZcfmWQCXK/KJZqhdyJWIiC OiSKkBzyX0kkEGYdE83gIunmkNQg6lBj+jGiU/Yd2KZ8zvCy6dkUGe0cG6qxImZjQAkx sLUE0S/fHlpsaNI44wgP5VN2UUEkqAZhVtZyZvQpu8YCBe1FZE7dij2Q/djG5lZ0jgVx zPln7ryRWQ2kFp9hCt/ShvYkoV30A+1vJfyPALImWF2/OlJYMTWHlLiYwWTKTgaT/zEd kRX9bGJhOYdBZIl2nCGw9xUTAltwq0JrkeNnqGJjnuE9eCq3wm1v1r8osCACurCyitgd IeoA== X-Gm-Message-State: AOAM531Gxm5G96uQwBaxL/ZVEVfOrptnxZYMMWn4wi7O0t24zkSnwrSK orFiFb2kol2TxObZhYoTjB9FliaqZ/mK5siXJcY= X-Google-Smtp-Source: ABdhPJz2RdlFDeH7bdfizPDqAaMKtD4h/3ypXUIOXfUS5fAMPVkV41ZE9OwYXPMrvsxNpWwcpggHMA== X-Received: by 2002:a37:a012:: with SMTP id j18mr3023686qke.348.1621005447504; Fri, 14 May 2021 08:17:27 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 46/50] target/i386: Tidy gen_check_io Date: Fri, 14 May 2021 10:13:38 -0500 Message-Id: <20210514151342.384376-47-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::734; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x734.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Get cur_eip from DisasContext. Do not require the caller to use svm_is_rep; get prefix from DisasContext. Use the proper symbolic constants for SVM_IOIO_*. While we're touching all call sites, return bool in preparation for gen_check_io raising #GP. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 57 +++++++++++++++++++------------------ 1 file changed, 30 insertions(+), 27 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 6eeaa3a98b..02c76537a6 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -674,13 +674,10 @@ static void gen_helper_out_func(MemOp ot, TCGv_i32 v,= TCGv_i32 n) } } =20 -static void gen_check_io(DisasContext *s, MemOp ot, target_ulong cur_eip, - uint32_t svm_flags) +static bool gen_check_io(DisasContext *s, MemOp ot, uint32_t svm_flags) { - target_ulong next_eip; - + tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); if (PE(s) && (CPL(s) > IOPL(s) || VM86(s))) { - tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); switch (ot) { case MO_8: gen_helper_check_iob(cpu_env, s->tmp2_i32); @@ -696,15 +693,20 @@ static void gen_check_io(DisasContext *s, MemOp ot, t= arget_ulong cur_eip, } } if (GUEST(s)) { + target_ulong cur_eip =3D s->base.pc_next - s->cs_base; + target_ulong next_eip =3D s->pc - s->cs_base; + gen_update_cc_op(s); gen_jmp_im(s, cur_eip); - svm_flags |=3D (1 << (4 + ot)); - next_eip =3D s->pc - s->cs_base; - tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); + if (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) { + svm_flags |=3D SVM_IOIO_REP_MASK; + } + svm_flags |=3D 1 << (SVM_IOIO_SIZE_SHIFT + ot); gen_helper_svm_check_io(cpu_env, s->tmp2_i32, - tcg_const_i32(svm_flags), - tcg_const_i32(next_eip - cur_eip)); + tcg_constant_i32(svm_flags), + tcg_constant_i32(next_eip - cur_eip)); } + return true; } =20 static inline void gen_movs(DisasContext *s, MemOp ot) @@ -2425,11 +2427,6 @@ static void gen_movl_seg_T0(DisasContext *s, X86Seg = seg_reg) } } =20 -static inline int svm_is_rep(int prefixes) -{ - return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); -} - static void gen_svm_check_intercept(DisasContext *s, uint32_t type) { /* no SVM activated; fast case */ @@ -6483,8 +6480,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x6d: ot =3D mo_b_d32(b, dflag); tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - gen_check_io(s, ot, pc_start - s->cs_base,=20 - SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes) | 4); + if (!gen_check_io(s, ot, SVM_IOIO_TYPE_MASK | SVM_IOIO_STR_MASK)) { + break; + } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } @@ -6502,8 +6500,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x6f: ot =3D mo_b_d32(b, dflag); tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - gen_check_io(s, ot, pc_start - s->cs_base, - svm_is_rep(prefixes) | 4); + if (!gen_check_io(s, ot, SVM_IOIO_STR_MASK)) { + break; + } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } @@ -6526,8 +6525,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) ot =3D mo_b_d32(b, dflag); val =3D x86_ldub_code(env, s); tcg_gen_movi_tl(s->T0, val); - gen_check_io(s, ot, pc_start - s->cs_base, - SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes)); + if (!gen_check_io(s, ot, SVM_IOIO_TYPE_MASK)) { + break; + } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } @@ -6544,8 +6544,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) ot =3D mo_b_d32(b, dflag); val =3D x86_ldub_code(env, s); tcg_gen_movi_tl(s->T0, val); - gen_check_io(s, ot, pc_start - s->cs_base, - svm_is_rep(prefixes)); + if (!gen_check_io(s, ot, 0)) { + break; + } gen_op_mov_v_reg(s, ot, s->T1, R_EAX); =20 if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { @@ -6563,8 +6564,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xed: ot =3D mo_b_d32(b, dflag); tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - gen_check_io(s, ot, pc_start - s->cs_base, - SVM_IOIO_TYPE_MASK | svm_is_rep(prefixes)); + if (!gen_check_io(s, ot, SVM_IOIO_TYPE_MASK)) { + break; + } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } @@ -6580,8 +6582,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0xef: ot =3D mo_b_d32(b, dflag); tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - gen_check_io(s, ot, pc_start - s->cs_base, - svm_is_rep(prefixes)); + if (!gen_check_io(s, ot, 0)) { + break; + } gen_op_mov_v_reg(s, ot, s->T1, R_EAX); =20 if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621008111; cv=none; d=zohomail.com; s=zohoarc; b=SNA/4SNsC22ouSjbXKI76sawtIc+reLW5+XG5aKy2q+V+OQREbdUpY+/3A0IE8KhRtuW4yS2wy0CRKrd//GRTvmkZdT9ysQiOpK5efm3ioXPTb1+d+x4tsN3yLBaAzbFW4QWGd30VAIYTrMdVMCJp/+8uXDs8zX19zBKg/fFC9w= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621008111; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=g1juOOEKnDc+LT3IkTwuNQLgCUSYTg/DRPVFzERrWIk=; b=KiiT1GWJcqGcr1y9UvBrs19DC2yYz/1lxJkI5+eTq0MzzeVYCq5BQjUn2NYL96oai7KplnpnozieCZ2Nl83cdNzg8OKle2V98r+5xq827Y4AQ6MW8SNooKPgKhToPswUaxCpnhg1VFD97bJ/MZwhI3Pp8+YiifaMGpfEkQvvpLk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621008111752440.3162952570834; Fri, 14 May 2021 09:01:51 -0700 (PDT) Received: from localhost ([::1]:55232 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lhaF1-00084E-C9 for importer@patchew.org; Fri, 14 May 2021 12:00:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37874) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lhZZD-0003ka-Ij for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:31 -0400 Received: from mail-qk1-x730.google.com ([2607:f8b0:4864:20::730]:41979) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lhZZB-0000GP-E8 for qemu-devel@nongnu.org; Fri, 14 May 2021 11:17:31 -0400 Received: by mail-qk1-x730.google.com with SMTP id l129so29012801qke.8 for ; Fri, 14 May 2021 08:17:29 -0700 (PDT) Received: from localhost.localdomain (163.189-204-200.bestelclientes.com.mx. [189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=g1juOOEKnDc+LT3IkTwuNQLgCUSYTg/DRPVFzERrWIk=; b=VTowO2LUt8is2i6PVICmLPkr2ChxDZV1BmrZ2MiY2iAj2B9BjUa3EKJ1gXhYjLIRR1 B9TXJs2OXqJ20yX9NnNcpfpuJGSgfrhhBCk6w0nf0IkFPUfjioRje0DHkr5bmx/NFqH3 cefK6+LhPgaDWNO7S1YamYXmvrnETk8Qwt60PMc/Y8Cxnza2e2J6ZrPvFxX9OKVX0TRE 44i/r2sKGbiwgeS7aXqPSYtVDFdkldoMauZ8LhK1EXb91BhP0PI3N7MM+FC9Lf8WVlwL 1S5hi9Tr+krcob6iAd+E3abFAd4FY/UHLG7vwAW4jdvOz5F8jQ32tS7cCTkbpt6AcnPQ WzJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=g1juOOEKnDc+LT3IkTwuNQLgCUSYTg/DRPVFzERrWIk=; b=Snmdw7OUkhjwN8JcNaR5WoboECvSz6viieHkPmWdVATVFUoUq+WZ/7I1VYqcrP8yQ3 ZoLnf20P5gH1p1Yn9SeJqO9RWGtS8Mo6q20q35Yir9vh7hEWmZznGamrJJgvDUsQZiRJ fCv7OEHcsHMSfkUFIdezpYJze+JS63AQhYn3kO5kYker9EOpgwOexZK7BepAn+Inati5 6A1TW5tOxiOV/Xnz1q6g/u8gbjbQwjKQEufSTnQP4/TQvA/nkS2b7WN9W9EExwL0kF6E uUkm+jFjLjBW9Nx4Bbb5ZLtUTGH53iH2ha2XjCinL2jzOYAr9Pt19Etin2/7nvD2enm4 Cw1g== X-Gm-Message-State: AOAM532t5HWTdb+nVnPcLatJ5f+J4bAFYNDJQrtfx/oqiKdg1Ijz2kVf uHnjTCVVC+yHQbd8WmSuWXJb+HgpTIzm8GRFyQo= X-Google-Smtp-Source: ABdhPJypApEvBWIBgBCtS0ncy551RAN9QlgELGiVzzCyEOfgtCeNwyZ36BeD4CfUbMnZ3YMcFQCjaA== X-Received: by 2002:a37:e06:: with SMTP id 6mr42656949qko.337.1621005448512; Fri, 14 May 2021 08:17:28 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 47/50] target/i386: Pass in port to gen_check_io Date: Fri, 14 May 2021 10:13:39 -0500 Message-Id: <20210514151342.384376-48-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::730; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x730.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Pass in a pre-truncated TCGv_i32 value. We were doing the truncation of EDX in multiple places, now only once per insn. While all callers use s->tmp2_i32, for cleanliness of the subroutine, use a parameter anyway. Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/tcg/translate.c | 55 +++++++++++++++++++------------------ 1 file changed, 29 insertions(+), 26 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 02c76537a6..19bfdbd0a3 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -674,19 +674,23 @@ static void gen_helper_out_func(MemOp ot, TCGv_i32 v,= TCGv_i32 n) } } =20 -static bool gen_check_io(DisasContext *s, MemOp ot, uint32_t svm_flags) +/* + * Validate that access to [port, port + 1<tmp2_i32, s->T0); if (PE(s) && (CPL(s) > IOPL(s) || VM86(s))) { switch (ot) { case MO_8: - gen_helper_check_iob(cpu_env, s->tmp2_i32); + gen_helper_check_iob(cpu_env, port); break; case MO_16: - gen_helper_check_iow(cpu_env, s->tmp2_i32); + gen_helper_check_iow(cpu_env, port); break; case MO_32: - gen_helper_check_iol(cpu_env, s->tmp2_i32); + gen_helper_check_iol(cpu_env, port); break; default: tcg_abort(); @@ -702,7 +706,7 @@ static bool gen_check_io(DisasContext *s, MemOp ot, uin= t32_t svm_flags) svm_flags |=3D SVM_IOIO_REP_MASK; } svm_flags |=3D 1 << (SVM_IOIO_SIZE_SHIFT + ot); - gen_helper_svm_check_io(cpu_env, s->tmp2_i32, + gen_helper_svm_check_io(cpu_env, port, tcg_constant_i32(svm_flags), tcg_constant_i32(next_eip - cur_eip)); } @@ -6479,8 +6483,10 @@ static target_ulong disas_insn(DisasContext *s, CPUS= tate *cpu) case 0x6c: /* insS */ case 0x6d: ot =3D mo_b_d32(b, dflag); - tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - if (!gen_check_io(s, ot, SVM_IOIO_TYPE_MASK | SVM_IOIO_STR_MASK)) { + tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_EDX]); + tcg_gen_ext16u_i32(s->tmp2_i32, s->tmp2_i32); + if (!gen_check_io(s, ot, s->tmp2_i32, + SVM_IOIO_TYPE_MASK | SVM_IOIO_STR_MASK)) { break; } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { @@ -6499,8 +6505,9 @@ static target_ulong disas_insn(DisasContext *s, CPUSt= ate *cpu) case 0x6e: /* outsS */ case 0x6f: ot =3D mo_b_d32(b, dflag); - tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - if (!gen_check_io(s, ot, SVM_IOIO_STR_MASK)) { + tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_EDX]); + tcg_gen_ext16u_i32(s->tmp2_i32, s->tmp2_i32); + if (!gen_check_io(s, ot, s->tmp2_i32, SVM_IOIO_STR_MASK)) { break; } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { @@ -6524,14 +6531,13 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) case 0xe5: ot =3D mo_b_d32(b, dflag); val =3D x86_ldub_code(env, s); - tcg_gen_movi_tl(s->T0, val); - if (!gen_check_io(s, ot, SVM_IOIO_TYPE_MASK)) { + tcg_gen_movi_i32(s->tmp2_i32, val); + if (!gen_check_io(s, ot, s->tmp2_i32, SVM_IOIO_TYPE_MASK)) { break; } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } - tcg_gen_movi_i32(s->tmp2_i32, val); gen_helper_in_func(ot, s->T1, s->tmp2_i32); gen_op_mov_reg_v(s, ot, R_EAX, s->T1); gen_bpt_io(s, s->tmp2_i32, ot); @@ -6543,16 +6549,14 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) case 0xe7: ot =3D mo_b_d32(b, dflag); val =3D x86_ldub_code(env, s); - tcg_gen_movi_tl(s->T0, val); - if (!gen_check_io(s, ot, 0)) { + tcg_gen_movi_i32(s->tmp2_i32, val); + if (!gen_check_io(s, ot, s->tmp2_i32, 0)) { break; } - gen_op_mov_v_reg(s, ot, s->T1, R_EAX); - if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } - tcg_gen_movi_i32(s->tmp2_i32, val); + gen_op_mov_v_reg(s, ot, s->T1, R_EAX); tcg_gen_trunc_tl_i32(s->tmp3_i32, s->T1); gen_helper_out_func(ot, s->tmp2_i32, s->tmp3_i32); gen_bpt_io(s, s->tmp2_i32, ot); @@ -6563,14 +6567,14 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) case 0xec: case 0xed: ot =3D mo_b_d32(b, dflag); - tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - if (!gen_check_io(s, ot, SVM_IOIO_TYPE_MASK)) { + tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_EDX]); + tcg_gen_ext16u_i32(s->tmp2_i32, s->tmp2_i32); + if (!gen_check_io(s, ot, s->tmp2_i32, SVM_IOIO_TYPE_MASK)) { break; } if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } - tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); gen_helper_in_func(ot, s->T1, s->tmp2_i32); gen_op_mov_reg_v(s, ot, R_EAX, s->T1); gen_bpt_io(s, s->tmp2_i32, ot); @@ -6581,16 +6585,15 @@ static target_ulong disas_insn(DisasContext *s, CPU= State *cpu) case 0xee: case 0xef: ot =3D mo_b_d32(b, dflag); - tcg_gen_ext16u_tl(s->T0, cpu_regs[R_EDX]); - if (!gen_check_io(s, ot, 0)) { + tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_EDX]); + tcg_gen_ext16u_i32(s->tmp2_i32, s->tmp2_i32); + if (!gen_check_io(s, ot, s->tmp2_i32, 0)) { break; } - gen_op_mov_v_reg(s, ot, s->T1, R_EAX); - if (tb_cflags(s->base.tb) & CF_USE_ICOUNT) { gen_io_start(); } - tcg_gen_trunc_tl_i32(s->tmp2_i32, s->T0); + gen_op_mov_v_reg(s, ot, s->T1, R_EAX); tcg_gen_trunc_tl_i32(s->tmp3_i32, s->T1); gen_helper_out_func(ot, s->tmp2_i32, s->tmp3_i32); gen_bpt_io(s, s->tmp2_i32, ot); --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621008296; cv=none; d=zohomail.com; s=zohoarc; b=X9x1W4BpIS9xexHPuN+5cFr6NxTN8LdxHOxReT+gPdzhwhydXXXbrDh8iI6t9NgN3D59sPYCUXAnhE86xu+qTqOf0II+tQOwNEtfeDKN6KoYPcCBvV/QSDWmbXjPlMONbYjfyf28YTct5U4bGBXkLO1MJsf1exYx5xvtsuAlpOY= ARC-Message-Signature: i=1; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=HDQnNxkAMYUbsYhxUmiudchcyp2GknnJa9xVe1rbkdQ=; b=YhUqHc+QaVxQkEOmTmua9MeMo7p3TqTUhQoeIY+sDOOFUv6iu28nbqoaZSPCRE9PxK S/d5EwKZi8/CFFIkq+npxEwQbcN5oGqxRSkCW4aYO6eDaNNDTh6nsC7YfeqOgaRXG4m/ UBJKH1swK8cX9kc2uF/joSYClPpNxd5+AGs0DLQfNCPrwW99pvfvaLZxm4x7i8SDOxgv P09pLmSRnHZ+Gxswg/dtk1z7Iduvfx8mFyhfxFWxCVeND6uL2rr8MDSC3lTI/3V98Kwj xFBHGCWyivgDIBwC/J8zDYR0/Ypi/EgZ0zKGEoS7sHplcvTv1OxrV3UFLcKge+D8kFB/ Uhhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HDQnNxkAMYUbsYhxUmiudchcyp2GknnJa9xVe1rbkdQ=; b=Dbk0ajT6F4TQLn9AveomwoXtpqgaIzimmiAacIhPVi2kV66bnX362QqI9ztrxuFcC2 bW1nDoQzSC41W8xeCdiAU0n9eazzGMxYZNuQmwNgLXdbQMguA1cW208ZTn3zDprlaaKA AK41ZCUNbuj/7+KIE9ynDex/IYC8mtTX8tGfJyAgevkllNQWN8p2mSY9X1j3YW3S5k9t 9F/Ig9XkDgFiZkULtfmEY+aWtZUdIyox+mN5veu67YuGP9KNRpw0S3BsPzorzlrCrs2s Y31YbDzzLEIgBhynEzCahWxDuJFpf9qHlKflDx3QEPjXL144bIvt7qJvCC6Q47/jcuLU HY7g== X-Gm-Message-State: AOAM533awq49w3e62bAAM6TPPkNQWlCHHEgDfcV6MFccP0i8UTfeKnDH OlaNMotIMnxp9FZZhAYPNcyEUAS39pWIGYYJT8k= X-Google-Smtp-Source: ABdhPJwEL3QQbO3ux60x8Aw75VxpbaG+dJOKvLoHYVKQej23dqTEtF9c+Qbw8CRCTSKQoBoqMvgIZw== X-Received: by 2002:ac8:5ac5:: with SMTP id d5mr12808488qtd.53.1621005449468; Fri, 14 May 2021 08:17:29 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 48/50] target/i386: Create helper_check_io Date: Fri, 14 May 2021 10:13:40 -0500 Message-Id: <20210514151342.384376-49-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82a; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Drop helper_check_io[bwl] and expose their common subroutine to tcg directly. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 4 +--- target/i386/tcg/seg_helper.c | 21 +++------------------ target/i386/tcg/translate.c | 14 +------------- 3 files changed, 5 insertions(+), 34 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index 1d85f033df..47d0d67699 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -86,9 +86,7 @@ DEF_HELPER_1(rdtsc, void, env) DEF_HELPER_1(rdtscp, void, env) DEF_HELPER_FLAGS_1(rdpmc, TCG_CALL_NO_WG, noreturn, env) =20 -DEF_HELPER_2(check_iob, void, env, i32) -DEF_HELPER_2(check_iow, void, env, i32) -DEF_HELPER_2(check_iol, void, env, i32) +DEF_HELPER_FLAGS_3(check_io, TCG_CALL_NO_WG, void, env, i32, i32) DEF_HELPER_3(outb, void, env, i32, i32) DEF_HELPER_2(inb, tl, env, i32) DEF_HELPER_3(outw, void, env, i32, i32) diff --git a/target/i386/tcg/seg_helper.c b/target/i386/tcg/seg_helper.c index cf3f051524..69d6e8f602 100644 --- a/target/i386/tcg/seg_helper.c +++ b/target/i386/tcg/seg_helper.c @@ -2418,10 +2418,10 @@ void helper_verw(CPUX86State *env, target_ulong sel= ector1) } =20 /* check if Port I/O is allowed in TSS */ -static inline void check_io(CPUX86State *env, int addr, int size, - uintptr_t retaddr) +void helper_check_io(CPUX86State *env, uint32_t addr, uint32_t size) { - int io_offset, val, mask; + uintptr_t retaddr =3D GETPC(); + uint32_t io_offset, val, mask; =20 /* TSS must be a valid 32 bit one */ if (!(env->tr.flags & DESC_P_MASK) || @@ -2444,18 +2444,3 @@ static inline void check_io(CPUX86State *env, int ad= dr, int size, raise_exception_err_ra(env, EXCP0D_GPF, 0, retaddr); } } - -void helper_check_iob(CPUX86State *env, uint32_t t0) -{ - check_io(env, t0, 1, GETPC()); -} - -void helper_check_iow(CPUX86State *env, uint32_t t0) -{ - check_io(env, t0, 2, GETPC()); -} - -void helper_check_iol(CPUX86State *env, uint32_t t0) -{ - check_io(env, t0, 4, GETPC()); -} diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 19bfdbd0a3..860c75c2b1 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -682,19 +682,7 @@ static bool gen_check_io(DisasContext *s, MemOp ot, TC= Gv_i32 port, uint32_t svm_flags) { if (PE(s) && (CPL(s) > IOPL(s) || VM86(s))) { - switch (ot) { - case MO_8: - gen_helper_check_iob(cpu_env, port); - break; - case MO_16: - gen_helper_check_iow(cpu_env, port); - break; - case MO_32: - gen_helper_check_iol(cpu_env, port); - break; - default: - tcg_abort(); - } + gen_helper_check_io(cpu_env, port, tcg_constant_i32(1 << ot)); } if (GUEST(s)) { target_ulong cur_eip =3D s->base.pc_next - s->cs_base; --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621007535; cv=none; d=zohomail.com; s=zohoarc; b=b5oeU0A8L5H2AmzDLjN2PddMXum/IvoQCGJLi1D1DFx9SsucBzK4W9ufW/lUaYk/EJj+RGzTba4scaTcpP1Z7kcgFYH+dXypqflsNcOxm8tt4oPrfj7Uv8Jtg6XMm4i/tDBc9ULQkYzQ8YV+zcOBwClyIgDm0xpoxbIIb6lnl4Y= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621007535; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=04x3BrPjLg3sEB7w0wyfRPgMFujmH7gaNCenIStnsOI=; b=WweQJz8lzk2BBUJLI86WZAWoW4BtD/ROmOBpfmW1D6zuIHtzNvQRh1XGb7vSditFSG 2fhm8dwJVXzl1uy2ETSIzKAgdzKxDpL/0ufu002GokME6nYcLSJxN2CqmiOLdTek+pA4 wIk4ZJl4mYJbS3HM0yDD2LC6yN4ltkPuy4Pjj6nzGECT3osM1htMWq/dPTb/atwW16jt jB/W2PpxRLgYKC79Wk6s1EGvQliSYg/NO4uublWLEnB6hfK9OZAwb+3tAYU3e1rBo2l6 3ehFhwfPMjIHstb3oaIrWA6OKv0nx84ezPp+4TdnmRrUUAN0BCmReoYwLYeJ4eha3mlS YM1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=04x3BrPjLg3sEB7w0wyfRPgMFujmH7gaNCenIStnsOI=; b=mTnpvhk/3ch1YLm2SEeFS0kh3BT+NrPbkZ3D2VzMG2ZK27cJX5a5R1lBk8/+7i7CWL EtNf9bd/iHOuFtVKykbM8N11WF9WsNFWGrMiYn//E39PAynw/C+qVULRIxOI25uKPUUl UjqC816tpDHaH8XA6T9/1SpFJhDEy9BeHxZbt3nYZmydQzy+R7y32cRb7H9Mxn+E1mcv Pkal+RMV0qpOjBFU+jumiw3mTW+1BT2IiFCqDSY/NAUaC0OWV4uz7BSJyJWoMtK0KnEE /ecgPPKgSHYiS3kzFuGQEmBuBFMG1YUkNI5LXsyn1NmKo2LC7U5wZMVTf3bzO+GLUzdW AHSA== X-Gm-Message-State: AOAM531jJaMNY3A/5umgiofLopff8m6CffX42L/kkIxXpBNwANtdjtoS 1MWTZCIh/WIP/9sawfXfHMymMLrb9xpD8WnvmWw= X-Google-Smtp-Source: ABdhPJxeAOhLCylZlUl0EgaIJDWuWmfLrVXl28ci4/0Gmw3uBZ6DAR2qWK8uwffgYH4Ti9Yw2yVNJQ== X-Received: by 2002:a37:b107:: with SMTP id a7mr16916587qkf.366.1621005450345; Fri, 14 May 2021 08:17:30 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 49/50] target/i386: Move helper_check_io to sysemu Date: Fri, 14 May 2021 10:13:41 -0500 Message-Id: <20210514151342.384376-50-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::72f; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The we never allow i/o from user-only, and the tss check that helper_check_io does will always fail. Use an ifdef within gen_check_io and return false, indicating that an exception is known to be raised. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- target/i386/helper.h | 2 +- target/i386/tcg/seg_helper.c | 28 ---------------------------- target/i386/tcg/sysemu/seg_helper.c | 29 +++++++++++++++++++++++++++++ target/i386/tcg/translate.c | 11 +++++++++++ 4 files changed, 41 insertions(+), 29 deletions(-) diff --git a/target/i386/helper.h b/target/i386/helper.h index 47d0d67699..3fd0253298 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -86,7 +86,6 @@ DEF_HELPER_1(rdtsc, void, env) DEF_HELPER_1(rdtscp, void, env) DEF_HELPER_FLAGS_1(rdpmc, TCG_CALL_NO_WG, noreturn, env) =20 -DEF_HELPER_FLAGS_3(check_io, TCG_CALL_NO_WG, void, env, i32, i32) DEF_HELPER_3(outb, void, env, i32, i32) DEF_HELPER_2(inb, tl, env, i32) DEF_HELPER_3(outw, void, env, i32, i32) @@ -95,6 +94,7 @@ DEF_HELPER_3(outl, void, env, i32, i32) DEF_HELPER_2(inl, tl, env, i32) =20 #ifndef CONFIG_USER_ONLY +DEF_HELPER_FLAGS_3(check_io, TCG_CALL_NO_WG, void, env, i32, i32) DEF_HELPER_FLAGS_4(bpt_io, TCG_CALL_NO_WG, void, env, i32, i32, tl) DEF_HELPER_2(svm_check_intercept, void, env, i32) DEF_HELPER_4(svm_check_io, void, env, i32, i32, i32) diff --git a/target/i386/tcg/seg_helper.c b/target/i386/tcg/seg_helper.c index 69d6e8f602..2f6cdc8239 100644 --- a/target/i386/tcg/seg_helper.c +++ b/target/i386/tcg/seg_helper.c @@ -2416,31 +2416,3 @@ void helper_verw(CPUX86State *env, target_ulong sele= ctor1) } CC_SRC =3D eflags | CC_Z; } - -/* check if Port I/O is allowed in TSS */ -void helper_check_io(CPUX86State *env, uint32_t addr, uint32_t size) -{ - uintptr_t retaddr =3D GETPC(); - uint32_t io_offset, val, mask; - - /* TSS must be a valid 32 bit one */ - if (!(env->tr.flags & DESC_P_MASK) || - ((env->tr.flags >> DESC_TYPE_SHIFT) & 0xf) !=3D 9 || - env->tr.limit < 103) { - goto fail; - } - io_offset =3D cpu_lduw_kernel_ra(env, env->tr.base + 0x66, retaddr); - io_offset +=3D (addr >> 3); - /* Note: the check needs two bytes */ - if ((io_offset + 1) > env->tr.limit) { - goto fail; - } - val =3D cpu_lduw_kernel_ra(env, env->tr.base + io_offset, retaddr); - val >>=3D (addr & 7); - mask =3D (1 << size) - 1; - /* all bits must be zero to allow the I/O */ - if ((val & mask) !=3D 0) { - fail: - raise_exception_err_ra(env, EXCP0D_GPF, 0, retaddr); - } -} diff --git a/target/i386/tcg/sysemu/seg_helper.c b/target/i386/tcg/sysemu/s= eg_helper.c index e0d7b32b82..82c0856c41 100644 --- a/target/i386/tcg/sysemu/seg_helper.c +++ b/target/i386/tcg/sysemu/seg_helper.c @@ -23,6 +23,7 @@ #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" #include "tcg/helper-tcg.h" +#include "../seg_helper.h" =20 #ifdef TARGET_X86_64 void helper_syscall(CPUX86State *env, int next_eip_addend) @@ -123,3 +124,31 @@ void x86_cpu_do_interrupt(CPUState *cs) env->old_exception =3D -1; } } + +/* check if Port I/O is allowed in TSS */ +void helper_check_io(CPUX86State *env, uint32_t addr, uint32_t size) +{ + uintptr_t retaddr =3D GETPC(); + uint32_t io_offset, val, mask; + + /* TSS must be a valid 32 bit one */ + if (!(env->tr.flags & DESC_P_MASK) || + ((env->tr.flags >> DESC_TYPE_SHIFT) & 0xf) !=3D 9 || + env->tr.limit < 103) { + goto fail; + } + io_offset =3D cpu_lduw_kernel_ra(env, env->tr.base + 0x66, retaddr); + io_offset +=3D (addr >> 3); + /* Note: the check needs two bytes */ + if ((io_offset + 1) > env->tr.limit) { + goto fail; + } + val =3D cpu_lduw_kernel_ra(env, env->tr.base + io_offset, retaddr); + val >>=3D (addr & 7); + mask =3D (1 << size) - 1; + /* all bits must be zero to allow the I/O */ + if ((val & mask) !=3D 0) { + fail: + raise_exception_err_ra(env, EXCP0D_GPF, 0, retaddr); + } +} diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 860c75c2b1..bcc642bf6e 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -193,6 +193,7 @@ typedef struct DisasContext { { qemu_build_not_reached(); } =20 #ifdef CONFIG_USER_ONLY +STUB_HELPER(check_io, TCGv_env env, TCGv_i32 port, TCGv_i32 size) STUB_HELPER(clgi, TCGv_env env) STUB_HELPER(flush_page, TCGv_env env, TCGv addr) STUB_HELPER(hlt, TCGv_env env, TCGv_i32 pc_ofs) @@ -217,6 +218,7 @@ static void gen_jr(DisasContext *s, TCGv dest); static void gen_jmp(DisasContext *s, target_ulong eip); static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num); static void gen_op(DisasContext *s1, int op, MemOp ot, int d); +static void gen_exception_gpf(DisasContext *s); =20 /* i386 arith/logic operations */ enum { @@ -681,6 +683,14 @@ static void gen_helper_out_func(MemOp ot, TCGv_i32 v, = TCGv_i32 n) static bool gen_check_io(DisasContext *s, MemOp ot, TCGv_i32 port, uint32_t svm_flags) { +#ifdef CONFIG_USER_ONLY + /* + * We do not implement the iopriv(2) syscall, so the TSS check + * will always fail. + */ + gen_exception_gpf(s); + return false; +#else if (PE(s) && (CPL(s) > IOPL(s) || VM86(s))) { gen_helper_check_io(cpu_env, port, tcg_constant_i32(1 << ot)); } @@ -699,6 +709,7 @@ static bool gen_check_io(DisasContext *s, MemOp ot, TCG= v_i32 port, tcg_constant_i32(next_eip - cur_eip)); } return true; +#endif } =20 static inline void gen_movs(DisasContext *s, MemOp ot) --=20 2.25.1 From nobody Sun Apr 28 08:12:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621008048; cv=none; d=zohomail.com; s=zohoarc; b=PPS+UvbWfrKcpb7vAZ9605QGU2z6L8tBO4JZooQTn1KtfgBEwuBVoPCSwBoRSRlbYIEHJ1kSORASblx9xBryBJMozas+IMYoDndIaE4F2JxM2bmXGeiNoyIYbBcnBdiqcMedn9Vb/67Kg5fDAiIfrcIrXn+WCa5/piE+G8YODXs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621008048; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id p190sm5181972qke.13.2021.05.14.08.17.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 May 2021 08:17:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IBYpGSuhiQ1BXzwgQO5bdVH+Kw1cz4/vQ9RgUJpZ3gs=; b=eiT6hcRQZQsT7DjPQrdFLHxYcTHiAODUXO/Ut82g2lmmJW50GoMTKcFyBnn++wL4PH ZiW7Qsedmz3+gV7SvTpb9iWJ1COBW+F5PC6zHBH1dgTiOseXMGRwMeWFiyqxSJeTrQWt O3TK5dCsJJ49bhDEydDvaQ+E5F4UoIQjWQboFx2PGaXFBZnYYYeYBEmrPMQyPttfBNMX 9rEO+vAEZivA/ZYEg/2Ph1fOaHjrLqQG/B00RcgIZJmfRIlGLTc+BS8U4dtN3c5a/JgI ua6+TPpC3I/otU/608GYD4xFrr2suuN7mrECsenIJV+l29djkL0dybO1okdZBgpnodsJ E+GQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IBYpGSuhiQ1BXzwgQO5bdVH+Kw1cz4/vQ9RgUJpZ3gs=; b=I+Mvvgf42oHAsID4U1mmM07eZ+QkFLuGj/MK3TGwC0ItxzYEsoCA3ixFN9H50tRcx4 0qhvm48QZC6OiUXTOfDBzswKqGarkPZRsEcbdK/zxdW3ufSu6E95V96Y0u7oMQye/Xne DU8X2J94WJ2tLBI1L5fHT3t6Vn4uy0n01zAPWJ7mKFeEYAiOdoFUdNcq1NwDatDdyUNi XWkmsNpPu+huQ2XgaGYiEO+rZybsynNSjuq8zr74D38b9zbUAPzxUMOM7YgSfSALEYfC KFLJ8Uqrc6oKcfdsT5sfefP9AjpQ/OxaLRbnb3pKSAJgJEPwqzg2X7SY6qSCAOTYs1v0 jsfg== X-Gm-Message-State: AOAM5333SM5qD43rP96tQV/Arh9hbtIiSDnX3qkr3u8mmvqfs+QeUbdH WrPjecIAdzvIdkDXzP6984LGW6RKRUGWXi45Tnk= X-Google-Smtp-Source: ABdhPJx8reckgXGhzaPDWpZ9zatmIjFpJiBmqGavQ17SZifmi4nS8VdvDUy5FAEhC4AdhTTHUk+CeA== X-Received: by 2002:a05:620a:2188:: with SMTP id g8mr8408271qka.79.1621005451277; Fri, 14 May 2021 08:17:31 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 50/50] target/i386: Remove user-only i/o stubs Date: Fri, 14 May 2021 10:13:42 -0500 Message-Id: <20210514151342.384376-51-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210514151342.384376-1-richard.henderson@linaro.org> References: <20210514151342.384376-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::735; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x735.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pbonzini@redhat.com, f4bug@amsat.org, ehabkost@redhat.com, cfontana@suse.de Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) With the previous patch for check_io, we now have enough for the compiler to dead-code eliminate all of the i/o helpers. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini --- target/i386/helper.h | 3 +- target/i386/tcg/translate.c | 6 ++++ target/i386/tcg/user/misc_stubs.c | 55 ------------------------------- target/i386/tcg/user/meson.build | 1 - 4 files changed, 7 insertions(+), 58 deletions(-) delete mode 100644 target/i386/tcg/user/misc_stubs.c diff --git a/target/i386/helper.h b/target/i386/helper.h index 3fd0253298..f3d8c3f949 100644 --- a/target/i386/helper.h +++ b/target/i386/helper.h @@ -86,14 +86,13 @@ DEF_HELPER_1(rdtsc, void, env) DEF_HELPER_1(rdtscp, void, env) DEF_HELPER_FLAGS_1(rdpmc, TCG_CALL_NO_WG, noreturn, env) =20 +#ifndef CONFIG_USER_ONLY DEF_HELPER_3(outb, void, env, i32, i32) DEF_HELPER_2(inb, tl, env, i32) DEF_HELPER_3(outw, void, env, i32, i32) DEF_HELPER_2(inw, tl, env, i32) DEF_HELPER_3(outl, void, env, i32, i32) DEF_HELPER_2(inl, tl, env, i32) - -#ifndef CONFIG_USER_ONLY DEF_HELPER_FLAGS_3(check_io, TCG_CALL_NO_WG, void, env, i32, i32) DEF_HELPER_FLAGS_4(bpt_io, TCG_CALL_NO_WG, void, env, i32, i32, tl) DEF_HELPER_2(svm_check_intercept, void, env, i32) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index bcc642bf6e..08ff3fe232 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -197,8 +197,14 @@ STUB_HELPER(check_io, TCGv_env env, TCGv_i32 port, TCG= v_i32 size) STUB_HELPER(clgi, TCGv_env env) STUB_HELPER(flush_page, TCGv_env env, TCGv addr) STUB_HELPER(hlt, TCGv_env env, TCGv_i32 pc_ofs) +STUB_HELPER(inb, TCGv ret, TCGv_env env, TCGv_i32 port) +STUB_HELPER(inw, TCGv ret, TCGv_env env, TCGv_i32 port) +STUB_HELPER(inl, TCGv ret, TCGv_env env, TCGv_i32 port) STUB_HELPER(monitor, TCGv_env env, TCGv addr) STUB_HELPER(mwait, TCGv_env env, TCGv_i32 pc_ofs) +STUB_HELPER(outb, TCGv_env env, TCGv_i32 port, TCGv_i32 val) +STUB_HELPER(outw, TCGv_env env, TCGv_i32 port, TCGv_i32 val) +STUB_HELPER(outl, TCGv_env env, TCGv_i32 port, TCGv_i32 val) STUB_HELPER(rdmsr, TCGv_env env) STUB_HELPER(read_crN, TCGv ret, TCGv_env env, TCGv_i32 reg) STUB_HELPER(set_dr, TCGv_env env, TCGv_i32 reg, TCGv val) diff --git a/target/i386/tcg/user/misc_stubs.c b/target/i386/tcg/user/misc_= stubs.c deleted file mode 100644 index df38b44d6e..0000000000 --- a/target/i386/tcg/user/misc_stubs.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * x86 misc helpers - * - * Copyright (c) 2003 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see . - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "exec/helper-proto.h" - -void helper_outb(CPUX86State *env, uint32_t port, uint32_t data) -{ - g_assert_not_reached(); -} - -target_ulong helper_inb(CPUX86State *env, uint32_t port) -{ - g_assert_not_reached(); - return 0; -} - -void helper_outw(CPUX86State *env, uint32_t port, uint32_t data) -{ - g_assert_not_reached(); -} - -target_ulong helper_inw(CPUX86State *env, uint32_t port) -{ - g_assert_not_reached(); - return 0; -} - -void helper_outl(CPUX86State *env, uint32_t port, uint32_t data) -{ - g_assert_not_reached(); -} - -target_ulong helper_inl(CPUX86State *env, uint32_t port) -{ - g_assert_not_reached(); - return 0; -} diff --git a/target/i386/tcg/user/meson.build b/target/i386/tcg/user/meson.= build index 3555b15bdd..1df6bc4343 100644 --- a/target/i386/tcg/user/meson.build +++ b/target/i386/tcg/user/meson.build @@ -1,5 +1,4 @@ i386_user_ss.add(when: ['CONFIG_TCG', 'CONFIG_USER_ONLY'], if_true: files( 'excp_helper.c', - 'misc_stubs.c', 'seg_helper.c', )) --=20 2.25.1