From nobody Tue Feb 10 17:14:09 2026 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 162515336794682.35847847814227; Thu, 1 Jul 2021 08:29:27 -0700 (PDT) Received: from localhost ([::1]:46942 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lyyd5-0004gV-7x for importer@patchew.org; Thu, 01 Jul 2021 11:29:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53012) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lyyZk-0004fC-JS for qemu-devel@nongnu.org; Thu, 01 Jul 2021 11:26:00 -0400 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]:36720) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lyyZX-0008GB-Oi for qemu-devel@nongnu.org; Thu, 01 Jul 2021 11:26:00 -0400 Received: by mail-pg1-x52b.google.com with SMTP id e33so6434632pgm.3 for ; Thu, 01 Jul 2021 08:25:47 -0700 (PDT) Received: from localhost.localdomain ([71.212.149.176]) by smtp.gmail.com with ESMTPSA id j4sm10213197pjv.7.2021.07.01.08.25.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Jul 2021 08:25:46 -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=XZ18+TbN3l0IvM4lcz8To1nUnlGMGwhY3IWR1y85/oQ=; b=rm1rgNTjRpqMa7rc2vr+W+erhXheLaeVTlGq/9dc2gvf8wTjBi39J2gS119tSgkCTs 2vPHtTSJvs3MWW97rmMDlGgcnioRYhqqf9qhlxSmaJJS0wrUf3zBI3jH4G+6+H7mxvU6 65Usd1I4j2U9RYnMZbv0pGPcfZzzH6zi7KlRx9OwgqDqvmr92kERKyfhdI+sIPW0w8nM Labo90gEiFR9ViGzZanCqPbbHaDw6cSz5qFYwSxPghCkQQmy4xQ3FZW+n36ReeiYLIen 7W/Xq65jCL2stXaPM8jXdCV9xsqvPqFTFIgLrSHNxFSzI0XYWq0+x3qb/q7s+tANVQXi GN2Q== 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=XZ18+TbN3l0IvM4lcz8To1nUnlGMGwhY3IWR1y85/oQ=; b=T3h/agTyTKtWn6ZpQ0rE4DQ5S6phm/Qor0trSAR5/1s8WJelRRae3axmZmexFeVFrI j7n2qB6frjNsnZ2HjAnA6P5az+i5LqZypi17G8HhaQRo22nOCqNMqISTx6KljbVhCmf9 FUfVMFTpY+tYHREBQvAiJqVS0yGQd/XUwLQFW1ZDuwfch1so0bR2umAxf9WDbAv6Mskp BCJOS9Y6xTLVAut/Lvv81heunPmHQ2tYO0Sw1JZ8kCWVDSmz4Yjuv7BZfzQ0qOlnEVnL qveYaSS2OBQwVCRUJ6xAfw8RGsezSNhVAW7d6f++O9rumrz7eVVLebofE53oa1DybMgy 08Mw== X-Gm-Message-State: AOAM533Nisl+ri98SqOyloAYZO9z0vhyBU2Iz3VHgvZam/s9EzLkQ6zQ mmjBFN3Mri5s0vtiQnLF6JG1ywZoc8S+sw== X-Google-Smtp-Source: ABdhPJxBQCai5L0dwZb2YtQDhEzKNEkCAeLa9crIPwVwFxPFZUExYxuAYon3vHDda2KbpLEp7BLd4Q== X-Received: by 2002:a62:87ca:0:b029:303:1dd3:572 with SMTP id i193-20020a6287ca0000b02903031dd30572mr509872pfe.33.1625153146373; Thu, 01 Jul 2021 08:25:46 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 13/17] accel/tcg: Move cflags lookup into tb_find Date: Thu, 1 Jul 2021 08:25:33 -0700 Message-Id: <20210701152537.3330420-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210701152537.3330420-1-richard.henderson@linaro.org> References: <20210701152537.3330420-1-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::52b; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52b.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: peter.maydell@linaro.org, mark.cave-ayland@ilande.co.uk, alex.bennee@linaro.org, f4bug@amsat.org 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" We will shortly require the guest pc for computing cflags, so move the choice just after cpu_get_tb_cpu_state. Signed-off-by: Richard Henderson --- accel/tcg/cpu-exec.c | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 5bb099174f..4d043a11aa 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -502,15 +502,29 @@ static inline void tb_add_jump(TranslationBlock *tb, = int n, =20 static inline TranslationBlock *tb_find(CPUState *cpu, TranslationBlock *last_tb, - int tb_exit, uint32_t cflags) + int tb_exit) { CPUArchState *env =3D (CPUArchState *)cpu->env_ptr; TranslationBlock *tb; target_ulong cs_base, pc; - uint32_t flags; + uint32_t flags, cflags; =20 cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags); =20 + /* + * When requested, use an exact setting for cflags for the next + * execution. This is used for icount, precise smc, and stop- + * after-access watchpoints. Since this request should never + * have CF_INVALID set, -1 is a convenient invalid value that + * does not require tcg headers for cpu_common_reset. + */ + cflags =3D cpu->cflags_next_tb; + if (cflags =3D=3D -1) { + cflags =3D curr_cflags(cpu); + } else { + cpu->cflags_next_tb =3D -1; + } + tb =3D tb_lookup(cpu, pc, cs_base, flags, cflags); if (tb =3D=3D NULL) { mmap_lock(); @@ -868,21 +882,7 @@ int cpu_exec(CPUState *cpu) int tb_exit =3D 0; =20 while (!cpu_handle_interrupt(cpu, &last_tb)) { - uint32_t cflags =3D cpu->cflags_next_tb; - TranslationBlock *tb; - - /* When requested, use an exact setting for cflags for the next - execution. This is used for icount, precise smc, and stop- - after-access watchpoints. Since this request should never - have CF_INVALID set, -1 is a convenient invalid value that - does not require tcg headers for cpu_common_reset. */ - if (cflags =3D=3D -1) { - cflags =3D curr_cflags(cpu); - } else { - cpu->cflags_next_tb =3D -1; - } - - tb =3D tb_find(cpu, last_tb, tb_exit, cflags); + TranslationBlock *tb =3D tb_find(cpu, last_tb, tb_exit); cpu_loop_exec_tb(cpu, tb, &last_tb, &tb_exit); /* Try to align the host and virtual clocks if the guest is in advance */ --=20 2.25.1