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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a6d0f10385sm9537215f8f.17.2025.06.23.05.19.52 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 23 Jun 2025 05:19:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750681194; x=1751285994; 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=n9TcP7uZ8sj3k25ApWupc8E4+ydRbD8zQYT0ugNh7kc=; b=x0a+n3xsCkbXf+3bMpES750By6XlLaP2v+7WFgtu95XgvW8nEk0A47TaHGkTbmZ7w8 rMpOt9jt3N/JbPrPLByBUZuMdOnXbjLzrF3z5kfoNvTzS8NYdyMfYyjBbVccsI7sWSHD YKwUrl9nYRBDaQY1TJUN7nNS/7R5j0kaJ220SJEQHQBuxs/ANgyfXmw8a/HIxfzRAQJU 8wSmUP46V6maUxp4tqf64+XpFTa4DFZhFKf9XGmqD+hWhYPskYP9ubfQlpMhTnWaH4AH B/rGWZJHqKjqxAtRH+h3KRPmD2NTMZukqbVX4NX2YuHIrp2CEsni5fbAF22NP9yUZMfV 8PRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750681194; x=1751285994; 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=n9TcP7uZ8sj3k25ApWupc8E4+ydRbD8zQYT0ugNh7kc=; b=vGuoiIPFB/lnGfWGQkUGlMW5o1vvD1n2SLvBxMMD5iRafUaAanuWQ1G4KOBsODbeR3 JQS4GbdKjsYynGF5LWflaTW4RjEATCo0SCskVGgagoywBoPXJwTJCh10nZL6v8VU9v75 gXpkEHXEwQ/yJ6yKbwZFTSFszu0lCzSVBOZGmZ1fmM0aaGWO0LSK5InlQAr3ug4Zry7F E7iULL2PNQngih+T3Weh93TUeK48GaLvQAaIbLxrXlg0sE/VH1cEAl8uQ5tPLTdl90RU l+SPyBEPvdJgYdCRUrNWfTFAYiatlaMTXglbgR7T7e4xBliIxYlZllPdNu9rPS6wMF71 /tCw== X-Gm-Message-State: AOJu0YyoWbXzGhJaQYYLZX++Wgnb/L1Vw1CZoi5OfT7grnK6NcM/Q/5t cG8RXW0As77z8wi3GdXPNjQimVtUHtndhMS9V7Ku+JnoH7kdeZlyWrtnrxdkpe7WZQBopP4tjZw cdu7M X-Gm-Gg: ASbGnctDhrHIrCw6RdG25virl1XlPxWfhlHzFSXH8FVYGMoGNNDbZTY06/r2kYaHtPj TmObWO3rsb+Ec22K/JvWgUWjdSUm7ykJJhLE8MSvS7cPqYxrCWOGQ+Xc47p6LT7bK5N1MpBV9VQ wfVqSIYT83ORGha/Gydf88jQyBxXGvahAgOJEnOJXl1adNPjIaRos329vqXX8RWkMyGY4nphmom zKvES7JQRpbEALbVDVJshUrldFr/f4VQ6pBKeXKrkKLfH5DWcydpUWvVRNONQ3doysCRk+Soadw e79GydfDPph5u6LPQhAe8WiOzxmzuFBgTj7j1dhN25yaO7hmvSaj32pbWqoHgkPoMsgzwOQQAPM ykX/zpf61ubsWSKkemgLH57PhqStmMdEUPUX4 X-Google-Smtp-Source: AGHT+IEHiq/SjlZG6KJQYhM0dN6HzIW1qJU45zGcdqrFfg265NhL0FAhAnfqOQcq/6jydwJBpJn65g== X-Received: by 2002:adf:e187:0:b0:3a4:f723:3e73 with SMTP id ffacd0b85a97d-3a6d129ccdbmr8492187f8f.16.1750681194323; Mon, 23 Jun 2025 05:19:54 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Leif Lindholm , qemu-arm@nongnu.org, =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Roman Bolshakov , Paolo Bonzini , Alexander Graf , Bernhard Beschow , John Snow , Thomas Huth , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , kvm@vger.kernel.org, Eric Auger , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Cameron Esfahani , Cleber Rosa , Radoslaw Biernacki , Phil Dennis-Jordan , Richard Henderson , =?UTF-8?q?Alex=20Benn=C3=A9e?= Subject: [PATCH v3 13/26] target/arm: Create GTimers *after* features finalized / accel realized Date: Mon, 23 Jun 2025 14:18:32 +0200 Message-ID: <20250623121845.7214-14-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250623121845.7214-1-philmd@linaro.org> References: <20250623121845.7214-1-philmd@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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=philmd@linaro.org; helo=mail-wr1-x431.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: 1750681410079116600 Call generic (including accelerator) cpu_realize() handlers *before* setting @gt_cntfrq_hz default Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/arm/cpu.c | 65 ++++++++++++++++++++++++------------------------ 1 file changed, 33 insertions(+), 32 deletions(-) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index e5b70f5de81..ab5fbd9b40b 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -1985,26 +1985,6 @@ static void arm_cpu_realizefn(DeviceState *dev, Erro= r **errp) return; } =20 - if (!cpu->gt_cntfrq_hz) { - /* - * 0 means "the board didn't set a value, use the default". (We al= so - * get here for the CONFIG_USER_ONLY case.) - * ARMv8.6 and later CPUs architecturally must use a 1GHz timer; b= efore - * that it was an IMPDEF choice, and QEMU initially picked 62.5MHz, - * which gives a 16ns tick period. - * - * We will use the back-compat value: - * - for QEMU CPU types added before we standardized on 1GHz - * - for versioned machine types with a version of 9.0 or earlier - */ - if (arm_feature(env, ARM_FEATURE_BACKCOMPAT_CNTFRQ) || - cpu->backcompat_cntfrq) { - cpu->gt_cntfrq_hz =3D GTIMER_BACKCOMPAT_HZ; - } else { - cpu->gt_cntfrq_hz =3D GTIMER_DEFAULT_HZ; - } - } - #ifndef CONFIG_USER_ONLY /* The NVIC and M-profile CPU are two halves of a single piece of * hardware; trying to use one without the other is a command line @@ -2051,7 +2031,40 @@ static void arm_cpu_realizefn(DeviceState *dev, Erro= r **errp) return; } } +#endif =20 + cpu_exec_realizefn(cs, &local_err); + if (local_err !=3D NULL) { + error_propagate(errp, local_err); + return; + } + + arm_cpu_finalize_features(cpu, &local_err); + if (local_err !=3D NULL) { + error_propagate(errp, local_err); + return; + } + +#ifndef CONFIG_USER_ONLY + if (!cpu->gt_cntfrq_hz) { + /* + * 0 means "the board didn't set a value, use the default". (We al= so + * get here for the CONFIG_USER_ONLY case.) + * ARMv8.6 and later CPUs architecturally must use a 1GHz timer; b= efore + * that it was an IMPDEF choice, and QEMU initially picked 62.5MHz, + * which gives a 16ns tick period. + * + * We will use the back-compat value: + * - for QEMU CPU types added before we standardized on 1GHz + * - for versioned machine types with a version of 9.0 or earlier + */ + if (arm_feature(env, ARM_FEATURE_BACKCOMPAT_CNTFRQ) || + cpu->backcompat_cntfrq) { + cpu->gt_cntfrq_hz =3D GTIMER_BACKCOMPAT_HZ; + } else { + cpu->gt_cntfrq_hz =3D GTIMER_DEFAULT_HZ; + } + } { uint64_t scale =3D gt_cntfrq_period_ns(cpu); =20 @@ -2072,18 +2085,6 @@ static void arm_cpu_realizefn(DeviceState *dev, Erro= r **errp) } #endif =20 - cpu_exec_realizefn(cs, &local_err); - if (local_err !=3D NULL) { - error_propagate(errp, local_err); - return; - } - - arm_cpu_finalize_features(cpu, &local_err); - if (local_err !=3D NULL) { - error_propagate(errp, local_err); - return; - } - #ifdef CONFIG_USER_ONLY /* * User mode relies on IC IVAU instructions to catch modification of --=20 2.49.0