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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id n184sm7798471wmf.5.2019.02.14.11.06.06 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Feb 2019 11:06:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=IzlwigeDYG8N9eg7gYUSsa8DzLsxM0lMmKo+XxYsWKU=; b=tnXwkuWiP3dnmffG8srPklKxRFiuuny8soEY1fOCDtZc/wO1BzXdE28Sc/OKSgEmjT QcX6TrW36/Lvw866rLAeZzVM7a8ScjAjq1/GwLl/TCi00/VwKcuN7ijkeQeVneFCXwRt RLfGdQ+eggzvBJaXHWuZ8Zcb67Z7v91zXIhFuJCI/s/exzZilYK3XpH1KdmPVWT0aLQN L1gum9JBsQN7kWMMVn36IVrm3ZHUnudXeCOzJfDMXZez7jdQwlvhUjEswPny/eTSuP9Y dNhy/lVt3wlaBySJp86wjUczXn0RgF1Y5UN4hKq4TtLuanYbuUivW6H8aYNZCAKLG2NH w41Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IzlwigeDYG8N9eg7gYUSsa8DzLsxM0lMmKo+XxYsWKU=; b=LXBGWBvSKOOTcJgZxLk682zy4Fw4HtfIHu+f3XFpJa+0ryc9f+gMVzMWt2h+ZC07gg 1c6QnXQwYBnlxCuKEv8uWHVeeo+TQfp2hUiDW38RM3G3eTK9zPyWPIYoxdvLdVfDBJ9M 5vvP6Tx6q7yEQPIxrlqij7NYBQ0v4G5gUqDBR3B5qPlxuYLQbjVNmp4u6fmZz0mTDBUh osx7LR552aIyOCbLS68ZSWFyJjl1vW9BQnbv5WNSPBAFNCqqUBp+Dxs9Uj2NdKEKsfya LTa5pXwd/LiOoqqXRDPkwiZIYWmCqIWHadZ2RA08it1y3WzkHCqNK4oJT8PC81tywh++ L5WA== X-Gm-Message-State: AHQUAuZ/3LSbhkR6JONv3wv0UzQXGQzollV6fIXl0MhBIlGB4YH0fpzI 7NzfqZnQ98exexf3zHOYJDe3YT/GkfdYeg== X-Google-Smtp-Source: AHgI3Ib4CnjJwHJ4VasPNPRyEaiqU3kXvtsON1A0wakWo64RrJE8TxCHJ9Q+rB5pcoXAiiVKqNwPtQ== X-Received: by 2002:adf:9d85:: with SMTP id p5mr3927642wre.215.1550171167765; Thu, 14 Feb 2019 11:06:07 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Date: Thu, 14 Feb 2019 19:05:38 +0000 Message-Id: <20190214190603.25030-3-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190214190603.25030-1-peter.maydell@linaro.org> References: <20190214190603.25030-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::42a Subject: [Qemu-devel] [PULL 02/27] target/arm: Implement HACR_EL2 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 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" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" HACR_EL2 is a register with IMPDEF behaviour, which allows implementation specific trapping to EL2. Implement it as RAZ/WI, since QEMU's implementation has no extra traps. This also matches what h/w implementations like Cortex-A53 and A57 do. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20190205181218.8995-1-peter.maydell@linaro.org --- target/arm/helper.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/arm/helper.c b/target/arm/helper.c index bd9f6050eca..e1ef2f35237 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -4434,6 +4434,9 @@ static const ARMCPRegInfo el3_no_el2_cp_reginfo[] =3D= { .opc0 =3D 3, .opc1 =3D 4, .crn =3D 1, .crm =3D 1, .opc2 =3D 0, .access =3D PL2_RW, .type =3D ARM_CP_CONST, .resetvalue =3D 0 }, + { .name =3D "HACR_EL2", .state =3D ARM_CP_STATE_BOTH, + .opc0 =3D 3, .opc1 =3D 4, .crn =3D 1, .crm =3D 1, .opc2 =3D 7, + .access =3D PL2_RW, .type =3D ARM_CP_CONST, .resetvalue =3D 0 }, { .name =3D "ESR_EL2", .state =3D ARM_CP_STATE_BOTH, .opc0 =3D 3, .opc1 =3D 4, .crn =3D 5, .crm =3D 2, .opc2 =3D 0, .access =3D PL2_RW, @@ -4666,6 +4669,9 @@ static const ARMCPRegInfo el2_cp_reginfo[] =3D { .cp =3D 15, .opc1 =3D 4, .crn =3D 1, .crm =3D 1, .opc2 =3D 0, .access =3D PL2_RW, .fieldoffset =3D offsetof(CPUARMState, cp15.hcr_= el2), .writefn =3D hcr_writelow }, + { .name =3D "HACR_EL2", .state =3D ARM_CP_STATE_BOTH, + .opc0 =3D 3, .opc1 =3D 4, .crn =3D 1, .crm =3D 1, .opc2 =3D 7, + .access =3D PL2_RW, .type =3D ARM_CP_CONST, .resetvalue =3D 0 }, { .name =3D "ELR_EL2", .state =3D ARM_CP_STATE_AA64, .type =3D ARM_CP_ALIAS, .opc0 =3D 3, .opc1 =3D 4, .crn =3D 4, .crm =3D 0, .opc2 =3D 1, --=20 2.20.1