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[174.21.74.48]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7371167def8sm316781b3a.90.2025.03.12.20.45.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Mar 2025 20:45:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1741837534; x=1742442334; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=a2yvAttg4yOZzhAQUiX0ynuUEgMnPWdV1Ar+AqZm3qI=; b=zjXQy8/RLUzlKFtpIBCNRYzbngrxlUraOA6Hwn25x58mXQJ0vV96h9gNFJwB0hAwu1 Z08AuLFSoWZgFJUu3yWdvBJ2RT7JZ1wgDhd1hlngF1LyLWRiMrkSpCa/WUC3pOPEdjQo g23/Fx9SzKqidTouuzngAxhYfWU7CgcemeiyB/HYBBiMrZrPcjxIkyv751O2Hv3qf1CU 3b98cn9UWlA3lPtZ7w6KFALf3LejvrlS3TKOPGHdQ/2u/aI1XYeJy0qhbYm8Cxlyw459 t9l15QuQZyEhIZ46Hl/i7CO/Cak+r0jzYxxoexRXRN8JTWEiGJYycq+425EccW5JmEHl E/gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741837534; x=1742442334; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=a2yvAttg4yOZzhAQUiX0ynuUEgMnPWdV1Ar+AqZm3qI=; b=rvTTVR6Zl57mFoPwjk9ZqXn1GTW06L38+pfJ7GVm1cLg7olAsalHtP+VqyoBXAE5Iv u6FIk6NWhaniiHTvyIEt4gs9lrFISSXWhcFqFw3v+6sRJ3H3C/+dy4QIBLg6KohzT0lT IyyZAsCqo77fjzQruDOB7/vHclsVJQtupQE103R2EJXR5nK9UIV1mTIQDoUvUKEMXByw 5yl945C+WPJ3FZ7QTBTr3Ua2H74lxOD01Rp70lYkpxaBrtxCGRSaj6QAsy1choOnajwq DViIBiTZ3YtXOlQ5AEvX055WDrX23VZLIptwtOO8brRBiD1JPVokM6DahVSJ74cmEb5k oQpw== X-Gm-Message-State: AOJu0YzNN3LxOZRwEDh64OAUDMJ6Erg/w/+HvPeuZey1B/hyBdNa47TE 3oTTpqLyMMlh5+zhL30yQo0LjgrxqUHY++6lloYDWXGHPnr5YRddAV9mEmf/OfDX0NrTY3pzJQS O X-Gm-Gg: ASbGncvM2U1QgoP8zqBmGW6+BJo2SF7zpN0bp7uWSxlxMN3MfoCvFruFD+JlyAb7u4F FxNz2MMqPBegp4+J6ZOXuVvQB6OIaH87eACDAihkokCOysthrGvrDFAHN10JzBnjOSLcj+iBAt1 OOSvfYanyt7STjcOkT/gRjDPB+w0IcjQVtN7pSVT1W0vTg5XaSaxwstyvliHtnhOTkZqudbMpfh sJnN52WEEWDcF1mlMTwcpM5jpKKzyuv9lbdwzE0wt7SgVDRem6ZMsl6xmkb5kjUXijoT2zE/2pT jBR9CpnXA8MgcRunmcb8R5+CVKQbEHRDiKsE5zn3nrBYXYjic6D9rNDStJA4tll55VRagoiuPGw rGisyteLxfgA= X-Google-Smtp-Source: AGHT+IHvTqPujbhCGAu/VgB7GxMLMwSGsPuzcamkXyjPCXgRkEJlJdCouF2tH8B/knpDOESs7/EruA== X-Received: by 2002:a05:6a20:93a1:b0:1f5:6c94:2cc9 with SMTP id adf61e73a8af0-1f56c9432d3mr27222804637.22.1741837534246; Wed, 12 Mar 2025 20:45:34 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: pierrick.bouvier@linaro.org, pbonzini@redhat.com, philmd@linaro.org Subject: [PATCH 10/37] accel/tcg: Use cpu_ld*_code_mmu in translator.c Date: Wed, 12 Mar 2025 20:44:50 -0700 Message-ID: <20250313034524.3069690-11-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250313034524.3069690-1-richard.henderson@linaro.org> References: <20250313034524.3069690-1-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::636; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.google.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1741838013521019000 Content-Type: text/plain; charset="utf-8" Cache the mmu index in DisasContextBase. Perform the read on host endianness, which lets us share code with the translator_ld fast path. Signed-off-by: Richard Henderson --- include/exec/translator.h | 1 + accel/tcg/translator.c | 57 ++++++++++++++++++--------------------- 2 files changed, 27 insertions(+), 31 deletions(-) diff --git a/include/exec/translator.h b/include/exec/translator.h index d70942a10f..205dd85bba 100644 --- a/include/exec/translator.h +++ b/include/exec/translator.h @@ -73,6 +73,7 @@ struct DisasContextBase { int max_insns; bool plugin_enabled; bool fake_insn; + uint8_t code_mmuidx; struct TCGOp *insn_start; void *host_addr[2]; =20 diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c index 0260fb1915..64fa069b51 100644 --- a/accel/tcg/translator.c +++ b/accel/tcg/translator.c @@ -11,10 +11,9 @@ #include "qemu/log.h" #include "qemu/error-report.h" #include "exec/exec-all.h" +#include "exec/cpu-ldst-common.h" #include "exec/translator.h" -#include "exec/cpu_ldst.h" #include "exec/plugin-gen.h" -#include "exec/cpu_ldst.h" #include "exec/tswap.h" #include "tcg/tcg-op-common.h" #include "internal-target.h" @@ -142,6 +141,7 @@ void translator_loop(CPUState *cpu, TranslationBlock *t= b, int *max_insns, db->host_addr[1] =3D NULL; db->record_start =3D 0; db->record_len =3D 0; + db->code_mmuidx =3D cpu_mmu_index(cpu, true); =20 ops->init_disas_context(db, cpu); tcg_debug_assert(db->is_jmp =3D=3D DISAS_NEXT); /* no early exit */ @@ -457,55 +457,50 @@ bool translator_st(const DisasContextBase *db, void *= dest, =20 uint8_t translator_ldub(CPUArchState *env, DisasContextBase *db, vaddr pc) { - uint8_t raw; + uint8_t val; =20 - if (!translator_ld(env, db, &raw, pc, sizeof(raw))) { - raw =3D cpu_ldub_code(env, pc); - record_save(db, pc, &raw, sizeof(raw)); + if (!translator_ld(env, db, &val, pc, sizeof(val))) { + MemOpIdx oi =3D make_memop_idx(MO_UB, db->code_mmuidx); + val =3D cpu_ldb_code_mmu(env, pc, oi, 0); + record_save(db, pc, &val, sizeof(val)); } - return raw; + return val; } =20 uint16_t translator_lduw(CPUArchState *env, DisasContextBase *db, vaddr pc) { - uint16_t raw, tgt; + uint16_t val; =20 - if (translator_ld(env, db, &raw, pc, sizeof(raw))) { - tgt =3D tswap16(raw); - } else { - tgt =3D cpu_lduw_code(env, pc); - raw =3D tswap16(tgt); - record_save(db, pc, &raw, sizeof(raw)); + if (!translator_ld(env, db, &val, pc, sizeof(val))) { + MemOpIdx oi =3D make_memop_idx(MO_UW, db->code_mmuidx); + val =3D cpu_ldw_code_mmu(env, pc, oi, 0); + record_save(db, pc, &val, sizeof(val)); } - return tgt; + return tswap16(val); } =20 uint32_t translator_ldl(CPUArchState *env, DisasContextBase *db, vaddr pc) { - uint32_t raw, tgt; + uint32_t val; =20 - if (translator_ld(env, db, &raw, pc, sizeof(raw))) { - tgt =3D tswap32(raw); - } else { - tgt =3D cpu_ldl_code(env, pc); - raw =3D tswap32(tgt); - record_save(db, pc, &raw, sizeof(raw)); + if (!translator_ld(env, db, &val, pc, sizeof(val))) { + MemOpIdx oi =3D make_memop_idx(MO_UL, db->code_mmuidx); + val =3D cpu_ldl_code_mmu(env, pc, oi, 0); + record_save(db, pc, &val, sizeof(val)); } - return tgt; + return tswap32(val); } =20 uint64_t translator_ldq(CPUArchState *env, DisasContextBase *db, vaddr pc) { - uint64_t raw, tgt; + uint64_t val; =20 - if (translator_ld(env, db, &raw, pc, sizeof(raw))) { - tgt =3D tswap64(raw); - } else { - tgt =3D cpu_ldq_code(env, pc); - raw =3D tswap64(tgt); - record_save(db, pc, &raw, sizeof(raw)); + if (!translator_ld(env, db, &val, pc, sizeof(val))) { + MemOpIdx oi =3D make_memop_idx(MO_UL, db->code_mmuidx); + val =3D cpu_ldq_code_mmu(env, pc, oi, 0); + record_save(db, pc, &val, sizeof(val)); } - return tgt; + return tswap64(val); } =20 void translator_fake_ld(DisasContextBase *db, const void *data, size_t len) --=20 2.43.0