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[71.212.47.143]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3087df21278sm9146865a91.29.2025.04.22.12.28.39 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Apr 2025 12:28:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1745350120; x=1745954920; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=T2VFGDCYeUXugtnoDK4L20D4ZqSx0NDgVw90btmYdaY=; b=pby+hWVGwqgGvYhgcSJTfj0nM9rubtdYkQaVbqSzbDksXBilVbkhMMbYZ/896IyXNU hekn9cMbnG/DV3oGOmcdJkfrgogSITy123hkeGTIY/6sSoQ0dxj4YI0+YC6QKDB77LFR +3ZjORhLsgfjG+uewyrmvCXRZdV1UnQ4JXuulzP2KN1sUTJvHvHxuX4394F8J81V5X6q w074VuOQoAgmzXtNTUWPCGmDewMbGz87xdBJja6gRfVfq/S5HoF/OZUyonixzKUVeiO7 n47tFWcQ1vYXfkQvR928m37iIYOxwZQ4cW4CT22mmsDTuoRhx8g402/ZF1akgFV5H2QG xHXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1745350120; x=1745954920; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=T2VFGDCYeUXugtnoDK4L20D4ZqSx0NDgVw90btmYdaY=; b=I+1U3omkg0R+lR5dmayp3xvHw3mWQnYTSWqKLdMzUFvNikwC0Id3/F4fE/9QnOkDdi HA/CDOdjBuOz5Ccg031VCjRr1SQFhxq4Cho8xHrKyEjYgGdqLDhQ/rdVa0ATxxLC0y9P yrlsjJkExnYGQ3pn1ovDJOLbBmUgyH3Z3nORyCK6blaHr5SC9B4n/UozVMOBqTSbpkBx ENS/T6FWi59PD4izUu+SZgZMI2WidAnJ18kq2TWkYJtA+BfrsxgqIa6d/A7YQADJ87TX bM6dd9qHOIgGYCN5dZVWQfKiFOEdoc0yB6iXxZij9Tdp1aCMgUK/Me7DEzh1QlFIYg2+ S94w== X-Gm-Message-State: AOJu0YwcZcZIj1P94HoT+wyxke6B8ve8dg82Dr+DZXg5xI0F5xP17Xio dM/ScYF7mUpstRBA3m3UVAeUn9Pxyob8fvPSSoA9rhCI1l4dogR1/769gfTvC8hh2Yu58TX903Y m X-Gm-Gg: ASbGncvzGII6eI+/FEvK1Ly/hIG1irFgaI8ksF6JoYSiXuXw9hiOQR3ju6PB1N+njxt eDj0Y+szmi5k88W6OF/JOlQR7NhpiYS02UUs4xeD1k+RQajwuMHlWk4NQq76MbB/2xLr0F7zAj2 i9QEbbWWMyUUJ8eb9a1HEafpl43e4wUH9RUUfsfmQ1Xtm74qHgnz2jkoHJsx4PpY2v4yVkP35MQ rLr4lBNe3ozse8c44i8xLqIZtjOCMkAEJnMmBN16HxaX99q0y90ucKbc0T5Q30Af7FzFgMvJB8i RkKEiqNNqhXkm+8OKBE2S3gwksGELnEqJwd6uaH4OyttmuEWqcdzgMLZL1SfkiKSf3FMsJ1gFFo = X-Google-Smtp-Source: AGHT+IEoSN06BiUWaHKCFynQCceObz/Qa/lu/l+wrQyDuVxw6u9nHyH5eMU/ZRjVeF2ODOwMhaesFw== X-Received: by 2002:a17:90a:d888:b0:2fa:137f:5c61 with SMTP id 98e67ed59e1d1-3087bb53ee8mr28737474a91.12.1745350120323; Tue, 22 Apr 2025 12:28:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 030/147] accel/tcg: Use cpu_ld*_code_mmu in translator.c Date: Tue, 22 Apr 2025 12:26:19 -0700 Message-ID: <20250422192819.302784-31-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250422192819.302784-1-richard.henderson@linaro.org> References: <20250422192819.302784-1-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::1036; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1036.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: 2.1.29 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: 1745350512158019000 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 Reviewed-by: Pierrick Bouvier --- include/exec/translator.h | 1 + accel/tcg/translator.c | 58 ++++++++++++++++++--------------------- 2 files changed, 28 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 157be33bf6..4c320ab9c3 100644 --- a/accel/tcg/translator.c +++ b/accel/tcg/translator.c @@ -11,10 +11,10 @@ #include "qemu/log.h" #include "qemu/error-report.h" #include "exec/exec-all.h" +#include "exec/cpu-ldst-common.h" +#include "accel/tcg/cpu-mmu-index.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 +142,7 @@ 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 +458,50 @@ 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_UQ, 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