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([156.19.246.23]) by smtp.gmail.com with ESMTPSA id z24-20020a17090abd9800b002a56b3931dfsm11737859pjr.49.2024.04.24.16.31.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Apr 2024 16:31:38 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 07/33] accel/tcg: Record when translator_fake_ldb is used Date: Wed, 24 Apr 2024 16:31:05 -0700 Message-Id: <20240424233131.988727-8-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 Received-SPF: pass client-ip=2607:f8b0:4864:20::535; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x535.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- include/exec/translator.h | 3 ++- accel/tcg/translator.c | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/include/exec/translator.h b/include/exec/translator.h index 974cc4f9c4..e92dfba035 100644 --- a/include/exec/translator.h +++ b/include/exec/translator.h @@ -72,8 +72,8 @@ typedef enum DisasJumpType { * @num_insns: Number of translated instructions (including current). * @max_insns: Maximum number of instructions to be translated in this TB. * @singlestep_enabled: "Hardware" single stepping enabled. - * @saved_can_do_io: Known value of cpu->neg.can_do_io, or -1 for unknown. * @plugin_enabled: TCG plugin enabled in this TB. + * @fake_insn: True if translator_fake_ldb used. * @insn_start: The last op emitted by the insn_start hook, * which is expected to be INDEX_op_insn_start. * @@ -88,6 +88,7 @@ typedef struct DisasContextBase { int max_insns; bool singlestep_enabled; bool plugin_enabled; + bool fake_insn; struct TCGOp *insn_start; void *host_addr[2]; diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c index a3c246ea37..6863455ed9 100644 --- a/accel/tcg/translator.c +++ b/accel/tcg/translator.c @@ -129,6 +129,7 @@ void translator_loop(CPUState *cpu, TranslationBlock *tb, int *max_insns, db->max_insns = *max_insns; db->singlestep_enabled = cflags & CF_SINGLE_STEP; db->insn_start = NULL; + db->fake_insn = false; db->host_addr[0] = host_pc; db->host_addr[1] = NULL; db->record_start = 0; @@ -433,6 +434,7 @@ uint64_t translator_ldq(CPUArchState *env, DisasContextBase *db, vaddr pc) void translator_fake_ldb(DisasContextBase *db, vaddr pc, uint8_t insn8) { assert(pc >= db->pc_first); + db->fake_insn = true; record_save(db, pc, &insn8, sizeof(insn8)); plugin_insn_append(pc, &insn8, sizeof(insn8)); }