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[174.21.143.238]) by smtp.gmail.com with ESMTPSA id p12sm17927642pfq.69.2020.06.23.12.37.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jun 2020 12:37:54 -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=JXq//EY41qOxgUUn2iV4AqQzVXGmUlIHXAR8u9hZfo0=; b=M76zOh8g1nzD8ykE8027goebeYeai4bA649NaA4G1gHsa5r6jQnT/WM7LW61AJDkfn YekIAyfY5N0U9+9p5gN4MUSqLF1HcpL0afenT+VCJJJWRLV8xVEzgN2GMm95zIRd/jcf X+MwVMQxBUihJAO7k0G/twbFiyNzZlY1Qhs8l1Y/AyAD6zApEk9Yo8QFqPIagK3zvxkO +wAs9tcjkq7cLV+QoCYtX2+IRuesQ2NRRuN0DI5xlqdZXvu0HCZ5yxlILOgUjrNEj8+u yoXpCQTkFMXnO6HEZMxFvLTiqRW8SbT+C5jWWULW13sP7krMCBUwERtNO1RJFcn+Rn1V GLAg== 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=JXq//EY41qOxgUUn2iV4AqQzVXGmUlIHXAR8u9hZfo0=; b=Rumr9ylKIlQqoNVmD3YzJpwC2KEY+D8V5juIdIaQryN/JUfJrKMQ2jzjvj/Wy8oGLi RddTMYRXt8kwyVBDeDVqJeJDcxkg2uwk37qVHcNjx8wNYEGR+CoC4Ags5xKEvL8vET1q T5mz9CUTTet0m8OA7BMlQsvHdrjUVQUS5DrN1c+tvpkz6i1iWvwLdjZ7jtr+U0SDaarK XQQcy5EvQwtjT1khHwAwMx6baXF6aAdVa6Y/ph1HmLjBIkNsIuIdXUhpCfTFwUwUO8zH W5jn5snCPREW1edqhrJjPKVOAbmK7GKmgWfcbhjl2NFsWM+Sf5WGftHfg4B/AacAQ/sg BcnA== X-Gm-Message-State: AOAM531yiLVbYwiXngvY28EClJ/RfCWe+kBWE5HbyQVus0sCTLbyCUHv o+/3h5om1EwWilWDJdq8/D9/xSpeYJQ= X-Google-Smtp-Source: ABdhPJzitqWLBJRr/BvaqbgErSRzlsWsskqdWcj1IBjxcIPQgp9oOBFllMsF0C1dHOAi0W+6VUIZ/A== X-Received: by 2002:a63:b915:: with SMTP id z21mr19384826pge.145.1592941075565; Tue, 23 Jun 2020 12:37:55 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v8 40/45] target/arm: Set PSTATE.TCO on exception entry Date: Tue, 23 Jun 2020 12:36:53 -0700 Message-Id: <20200623193658.623279-41-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200623193658.623279-1-richard.henderson@linaro.org> References: <20200623193658.623279-1-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::544; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x544.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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=_AUTOLEARN 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, qemu-arm@nongnu.org, david.spickett@linaro.org, steplong@quicinc.com 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" D1.10 specifies that exception handlers begin with tag checks overridden. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- v2: Only set if MTE feature present. --- target/arm/helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index 23cf44fcf4..d220612a20 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -9704,6 +9704,9 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs) break; } } + if (cpu_isar_feature(aa64_mte, cpu)) { + new_mode |=3D PSTATE_TCO; + } =20 pstate_write(env, PSTATE_DAIF | new_mode); env->aarch64 =3D 1; --=20 2.25.1