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([156.19.246.23]) by smtp.gmail.com with ESMTPSA id z24-20020a17090abd9800b002a56b3931dfsm11737859pjr.49.2024.04.24.16.31.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Apr 2024 16:31:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1714001510; x=1714606310; 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=/EhXPPMxaAY9EqFJpabnI69teg9b6N6lI3TZrlx6dqE=; b=yHe1tlPRJ8hLdPa2OaNUvyNHHlJsvaEEEWvyj5rGS4e+zu/TaHKcgJ8K5LDkcGc7Bn FTB/suFpmdKjFiW08P9124YE03lvSWYWEDeAP0kapIXYy8Uf9MBV5JCZwT/H2c+70unv HGybqIyMT+9gS0W0+t/UwMIVYmza863hks7GrxM5PPKc1lRRxj4ZL/+7KE7jHkqioe/d Xgtp/UFN4zWRPUjci1EDRRjvthRy53HvOkmB9HqifFbJy+P/aWwho1ApZ9VPZ4IuVNTt jrgMdsbcJGRRfZK5ElT1XXLHcfA4pCq2LYNX36AByx1Fsvc+ZFnZQwhrOkskXinBZTvO /ajw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714001510; x=1714606310; 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=/EhXPPMxaAY9EqFJpabnI69teg9b6N6lI3TZrlx6dqE=; b=aEUDPKYdGTARg5x4Bu29lx++XVajd/w1oZt5zMRrgCY2gbRQIKbjLiIIpGtjmCZgOW vGkBDnEp/AYfxvmUSOqFinXGRK4AH5DV8Lrw7b1CBxn9tsYvUKbMdbTBymZaTf1ArNQn Yk9qPs8XIWfdYrQu0LoaMF7dbit2+GeE1IEScJdetGIivvns6xASy966jg5AAACCN7X1 BUuBwGNrtlWnojHslVEPvPj0bzP9Vo/hEDRcL6gDINMXLPMnTYo/ZmZvXdEW+8bExI/P fB+dI+JWYv3/KqV1k3l0igBZl4ArdkeENBQ7mkMrbB0ZoSK3R9hVF9AADue+BthOsFsc XSRg== X-Gm-Message-State: AOJu0Yx2reBjkTqkNbKdfaheNR3b/9fU910qafM5Dwmrn+k72QYHL3Dq fOap9DC98jUx0Psx0zl2/NVDxCKzRbVSLCdMyA58OOXu6JySrJ7dA+f1K2F7rOC0u0Fto1Q4pP6 y X-Google-Smtp-Source: AGHT+IGVfougc3oHUhk+weSfBhY3IoMegFWSDJ3iSZhSxOlOVzUSkm9pXy+wIpPTRoV43Ohf+LbASQ== X-Received: by 2002:a17:90b:1e0b:b0:2a2:cf1d:895c with SMTP id pg11-20020a17090b1e0b00b002a2cf1d895cmr4028357pjb.41.1714001510617; Wed, 24 Apr 2024 16:31:50 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 20/33] accel/tcg: Introduce translator_fake_ld Date: Wed, 24 Apr 2024 16:31:18 -0700 Message-Id: <20240424233131.988727-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240424233131.988727-1-richard.henderson@linaro.org> References: <20240424233131.988727-1-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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1714001668721100001 Replace translator_fake_ldb, which required multiple calls, with translator_fake_ld, which can take all data at once. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- include/exec/translator.h | 8 ++++---- accel/tcg/translator.c | 5 ++--- target/s390x/tcg/translate.c | 8 ++++---- 3 files changed, 10 insertions(+), 11 deletions(-) diff --git a/include/exec/translator.h b/include/exec/translator.h index 8c3a8aa3d1..fc9fc64963 100644 --- a/include/exec/translator.h +++ b/include/exec/translator.h @@ -234,17 +234,17 @@ translator_ldq_swap(CPUArchState *env, DisasContextBa= se *db, } =20 /** - * translator_fake_ldb - fake instruction load + * translator_fake_ld - fake instruction load * @db: Disassembly context - * @pc: program counter of instruction - * @insn8: byte of instruction + * @data: bytes of instruction + * @len: number of bytes * * This is a special case helper used where the instruction we are * about to translate comes from somewhere else (e.g. being * re-synthesised for s390x "ex"). It ensures we update other areas of * the translator with details of the executed instruction. */ -void translator_fake_ldb(DisasContextBase *db, vaddr pc, uint8_t insn8); +void translator_fake_ld(DisasContextBase *db, const void *data, size_t len= ); =20 /** * translator_st diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c index e968d530d8..14622b69a8 100644 --- a/accel/tcg/translator.c +++ b/accel/tcg/translator.c @@ -467,9 +467,8 @@ uint64_t translator_ldq(CPUArchState *env, DisasContext= Base *db, vaddr pc) return tgt; } =20 -void translator_fake_ldb(DisasContextBase *db, vaddr pc, uint8_t insn8) +void translator_fake_ld(DisasContextBase *db, const void *data, size_t len) { - assert(pc >=3D db->pc_first); db->fake_insn =3D true; - record_save(db, pc, &insn8, sizeof(insn8)); + record_save(db, db->pc_first, data, len); } diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index d74939389a..2eb787e401 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -6191,6 +6191,8 @@ static const DisasInsn *extract_insn(CPUS390XState *e= nv, DisasContext *s) const DisasInsn *info; =20 if (unlikely(s->ex_value)) { + uint64_t be_insn; + /* Drop the EX data now, so that it's clear on exception paths. */ tcg_gen_st_i64(tcg_constant_i64(0), tcg_env, offsetof(CPUS390XState, ex_value)); @@ -6200,10 +6202,8 @@ static const DisasInsn *extract_insn(CPUS390XState *= env, DisasContext *s) ilen =3D s->ex_value & 0xf; =20 /* Register insn bytes with translator so plugins work. */ - for (int i =3D 0; i < ilen; i++) { - uint8_t byte =3D extract64(insn, 56 - (i * 8), 8); - translator_fake_ldb(&s->base, pc + i, byte); - } + be_insn =3D cpu_to_be64(insn); + translator_fake_ld(&s->base, &be_insn, ilen); op =3D insn >> 56; } else { insn =3D ld_code2(env, s, pc); --=20 2.34.1