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[110.175.65.7]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2bd7f0cd400sm2514953a91.31.2024.05.20.18.30.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 May 2024 18:30:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1716255046; x=1716859846; 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=d7DjxgiD7bWPAbcsJtjRKCQRkvkfUf5f4ixXD/z1Ahc=; b=RkpAp23k3MOpK41Vt7mU3x0YoYYdHvuOLnKR7E8QV7JYtbvHzlKII/j+HY+cv/1r2s FHWBkEHv/4pwI9WcHYhiG7qiDhvSE0GwCb4sXhBgK6NO10NxCZes5IkGd0iS57p5Mf3W njlllXI5IyTf5QleSn+asI11rmECXL1rXj3oOYA3JIVf8YAsejI0yeY9hvoegIe9xthr pz7uXGXLdC1BotSTdmm84wAbnzas5Z9iAKPswMmE9kQLwJgsHFh/P+X2DZXK4xOAse8L 3ZxlN/hCZuYUS+zMwnxk/TlV3ZCxxhPPqeCjQO6pf44UsFWifSe6B5gUc6VPY+0lm5LH k3Qw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716255046; x=1716859846; 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=d7DjxgiD7bWPAbcsJtjRKCQRkvkfUf5f4ixXD/z1Ahc=; b=cvTxE6Y7423lgJrdiFkCYgnWQ4jnH7bqXxMOH7ACI9Hn0gCRXhyJG/ONCqVYA7SPGr mkPQcJ5whN0rK4upr9DgeoJcQXYA/JRn6XmpgiTg+vIFLrRWvjNT/vKWCu47+2TC3Pv6 9lhyGfihgBEo5F8dz2n8sBp4jaNeXoLdAEMMrnRzpd+y8kF6fEt3r2Mck6IWp8laEzHJ VzjFsFJNovrZCh5k3AtQH254odYjiZwd36lRPIiN3t2egEN1e7mlmHXH4d6oyRqVwA0i Tf3Or2SoT7DFx3nj6BTDGriSOav59CzcieNNts4NIThl7II/V1pohCreQK/ahY0CNWN6 JzNw== X-Forwarded-Encrypted: i=1; AJvYcCWbPiQHXb0/dz4IceUhP1SKx/Joj6xsDmrOQ1NoadxiGtp9Yu8fA2sGZQy+XCRvRYoil9v3bNdZZ8tp4V+NVZzYwntoxLY= X-Gm-Message-State: AOJu0YxlgljlD/Eu6QThCz9KoLoqvfTRHi2VCpiAWTDOL99Q+hVA5Qo6 DtRTgmEgvmstWdYyMPKsjM7gRJe+GildWta1QSKvWKWSH5TeFualUgnw/A== X-Google-Smtp-Source: AGHT+IFWi527TyuchW5RRd5ValpciJ5XybjYTfYTj4KEtNvzR61MKZMT8gzgGM9IiTgNYkN+ORBOog== X-Received: by 2002:a17:90a:5781:b0:2b2:6ede:5ce0 with SMTP id 98e67ed59e1d1-2b6cceef30dmr25227028a91.39.1716255045848; Mon, 20 May 2024 18:30:45 -0700 (PDT) From: Nicholas Piggin To: qemu-ppc@nongnu.org Cc: Nicholas Piggin , qemu-devel@nongnu.org, Daniel Henrique Barboza , Glenn Miles , Richard Henderson , Chinmay Rath Subject: [PATCH v2 02/12] target/ppc: improve checkstop logging Date: Tue, 21 May 2024 11:30:18 +1000 Message-ID: <20240521013029.30082-3-npiggin@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240521013029.30082-1-npiggin@gmail.com> References: <20240521013029.30082-1-npiggin@gmail.com> 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::632; envelope-from=npiggin@gmail.com; helo=mail-pl1-x632.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, FREEMAIL_FROM=0.001, 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 @gmail.com) X-ZM-MESSAGEID: 1716255101906100001 Content-Type: text/plain; charset="utf-8" Change the logging not to print to stderr as well, because a checkstop is a guest error (or perhaps a simulated machine error) rather than a QEMU error, so send it to the log. Update the checkstop message, and log CPU registers too. Signed-off-by: Nicholas Piggin Reviewed-by: Glenn Miles Reviewed-by: Richard Henderson --- target/ppc/excp_helper.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index b2b51537b7..17bf8df9d7 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -430,17 +430,19 @@ static void powerpc_mcheck_checkstop(CPUPPCState *env) /* KVM guests always have MSR[ME] enabled */ #ifdef CONFIG_TCG CPUState *cs =3D env_cpu(env); + FILE *f; =20 if (FIELD_EX64(env->msr, MSR, ME)) { return; } =20 - /* Machine check exception is not enabled. Enter checkstop state. */ - fprintf(stderr, "Machine check while not allowed. " - "Entering checkstop state\n"); - if (qemu_log_separate()) { - qemu_log("Machine check while not allowed. " - "Entering checkstop state\n"); + f =3D qemu_log_trylock(); + if (f) { + fprintf(f, "Entering checkstop state: " + "machine check with MSR[ME]=3D0\n"); + cpu_dump_state(cs, f, CPU_DUMP_FPU | CPU_DUMP_CCOP); + qemu_log_unlock(f); + } =20 /* * This stops the machine and logs CPU state without killing QEMU --=20 2.43.0