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[82.218.84.190]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-385ccd2db2dsm4685119f8f.14.2024.11.29.07.25.24 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 29 Nov 2024 07:25:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=philjordan-eu.20230601.gappssmtp.com; s=20230601; t=1732893926; x=1733498726; 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=jHwSaHBvDOuggNzApud1KzwY/aX4UN5MIxFwz/8i6yU=; b=sz7IXKOf4qbaka7VtUr5BbQbqy1J95T5KL+If0g/F6GavobJCiooi6cQLHALBhNv22 e7iAGMgF54nbZ1lfyPimK4avEPYEeoFEZZ6f7D/mKDsgx5BnKItxnmLsvELKFzsKbbGd S1AdfnBhShZ9HtHLL5b33v94Fh2I5m9riv+CY1nWqmbZuzd6Kp6k3ZGrvuDABMebesty xhgcTrFPPBohLh8+XzpQAo6KSUGhySiBFhvpDRvoOP2Z6Jlo4F9weAcC+uViSdch+Qsx F6q0oPsX6LBkL+Or9O2+tV/NylCB88t9lB4WpQPe0GAyb6g80IvC56SYf9oL0HPAtySw KTWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732893926; x=1733498726; 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=jHwSaHBvDOuggNzApud1KzwY/aX4UN5MIxFwz/8i6yU=; b=lLVp1StU6Fv1khwT3JFPD/Cps0o/9r3TCgpi8TP/zLx0qXLwNPxBVn6mjSF/cZd1Q4 XVV6RR7RRBZJbBDC26dLNs6KSunVCYCKYAjLchRen06opQUipFkuhmkk2ipNUWGRB5Uf thEvpgrz2krBYEFqP92r0E/QtgIkgvlPWQJmnI3AfxjkpRdc+QemygVW8Rcme8wlttol /63mIA2WMiZHeVf6FwALvRLMmey8/zVzuLcZZmX2+G9pspIMI6TthQ8mTofPSDI4kO8o r2C5bVM4hwWPq05Iwrybh+qTz5B32UAW0eZLc1dJAQ5TAX7Z9UHfZeetNq29KH5ADSIV Pe6w== X-Gm-Message-State: AOJu0YyBnyA9HhsG8KRIt9O7dE50it3/31ahG364evYw3rpTML/F9bvt R1xDxIuu4zhxJ0yoQrBR67K+IJBhybe+mqJYQr3s6rFrjO6gwOdaQ3ATYE0KQzN+Mh7WYzQSl9q UwA== X-Gm-Gg: ASbGncsbO38WjPDGr4ZTcoZ/lnG8efIXKwvbg8C4FkyeQ1Ra0dFiy2etdvaDqquzGzt TtnM14oUAGQfDA0YnMGa97LJSlh2IEeINHYvUjnMrQs8OcoK25AQ5flOIo3hHicN4YPe0KhrkJB 3RmrmcSS/tqfnqnOtnQcQG7tY8m2Djh1Mea8/I6xLrKgK034iKxVJgZaZOMMRuKmo9Iu0bzYQ5Y izZhhLo/R+znQpG609Agz3VGjY4JqA+p4/7ilWpkCHhG6bUWyUCkAHdIMxV+enUOjKvNEy0sthu ho2I3ADhK7d1H80SejH484XJZQ== X-Google-Smtp-Source: AGHT+IGPZB64TXzI0cJ2Z/7CAI3nKpCPQzJKhu1GhGMD2rZt2uPoCexLBLMukrYFHdQpYH/W6xvjdg== X-Received: by 2002:a05:6000:4402:b0:382:5088:936a with SMTP id ffacd0b85a97d-385c6ec029amr7790725f8f.28.1732893925958; Fri, 29 Nov 2024 07:25:25 -0800 (PST) From: Phil Dennis-Jordan To: qemu-devel@nongnu.org Cc: agraf@csgraf.de, phil@philjordan.eu, peter.maydell@linaro.org, pbonzini@redhat.com, rad@semihalf.com, quic_llindhol@quicinc.com, stefanha@redhat.com, mst@redhat.com, slp@redhat.com, richard.henderson@linaro.org, eduardo@habkost.net, marcel.apfelbaum@gmail.com, gaosong@loongson.cn, jiaxun.yang@flygoat.com, chenhuacai@kernel.org, kwolf@redhat.com, hreitz@redhat.com, philmd@linaro.org, shorne@gmail.com, palmer@dabbelt.com, alistair.francis@wdc.com, bmeng.cn@gmail.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, jcmvbkbc@gmail.com, marcandre.lureau@redhat.com, berrange@redhat.com, akihiko.odaki@daynix.com, qemu-arm@nongnu.org, qemu-block@nongnu.org, qemu-riscv@nongnu.org, balaton@eik.bme.hu, Alexander Graf Subject: [PATCH v12 08/15] hvf: arm: Ignore writes to CNTP_CTL_EL0 Date: Fri, 29 Nov 2024 16:24:59 +0100 Message-Id: <20241129152506.59390-9-phil@philjordan.eu> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20241129152506.59390-1-phil@philjordan.eu> References: <20241129152506.59390-1-phil@philjordan.eu> 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: neutral client-ip=2a00:1450:4864:20::335; envelope-from=phil@philjordan.eu; helo=mail-wm1-x335.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779 autolearn=no 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 @philjordan-eu.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1732894276075019100 Content-Type: text/plain; charset="utf-8" From: Alexander Graf MacOS unconditionally disables interrupts of the physical timer on boot and then continues to use the virtual one. We don't really want to support a full physical timer emulation, so let's just ignore those writes. Signed-off-by: Alexander Graf Signed-off-by: Phil Dennis-Jordan Reviewed-by: Akihiko Odaki Tested-by: Akihiko Odaki --- target/arm/hvf/hvf.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index ca7ea92774a..d75e504dcda 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -11,6 +11,7 @@ =20 #include "qemu/osdep.h" #include "qemu/error-report.h" +#include "qemu/log.h" =20 #include "sysemu/runstate.h" #include "sysemu/hvf.h" @@ -184,6 +185,7 @@ void hvf_arm_init_debug(void) #define SYSREG_OSLSR_EL1 SYSREG(2, 0, 1, 1, 4) #define SYSREG_OSDLR_EL1 SYSREG(2, 0, 1, 3, 4) #define SYSREG_CNTPCT_EL0 SYSREG(3, 3, 14, 0, 1) +#define SYSREG_CNTP_CTL_EL0 SYSREG(3, 3, 14, 2, 1) #define SYSREG_PMCR_EL0 SYSREG(3, 3, 9, 12, 0) #define SYSREG_PMUSERENR_EL0 SYSREG(3, 3, 9, 14, 0) #define SYSREG_PMCNTENSET_EL0 SYSREG(3, 3, 9, 12, 1) @@ -1620,6 +1622,13 @@ static int hvf_sysreg_write(CPUState *cpu, uint32_t = reg, uint64_t val) case SYSREG_OSLAR_EL1: env->cp15.oslsr_el1 =3D val & 1; return 0; + case SYSREG_CNTP_CTL_EL0: + /* + * Guests should not rely on the physical counter, but macOS emits + * disable writes to it. Let it do so, but ignore the requests. + */ + qemu_log_mask(LOG_UNIMP, "Unsupported write to CNTP_CTL_EL0\n"); + return 0; case SYSREG_OSDLR_EL1: /* Dummy register */ return 0; --=20 2.39.5 (Apple Git-154)