From patchwork Thu Feb 14 19:05:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 158423 Delivered-To: patch@linaro.org Received: by 2002:a02:48:0:0:0:0:0 with SMTP id 69csp1748425jaa; Thu, 14 Feb 2019 11:09:16 -0800 (PST) X-Google-Smtp-Source: AHgI3IZLDemaUIA9gPGlQE2PjafR0+dXJ3uwMljpzMBMTDSt5/+IffYU1sH0TThqvROcFiRLJmIS X-Received: by 2002:a25:4902:: with SMTP id w2mr4655747yba.26.1550171356415; Thu, 14 Feb 2019 11:09:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1550171356; cv=none; d=google.com; s=arc-20160816; b=rkd1aylqkGW0+gUEvCDqSYNFZGI7ihkJniVWea0KXNLkl2wutmpetUsKdt2dB4QmwV TyUWNolg7tjRGqmTf5NYWmdCRuOLEC82nu7OtjQdM5dp3b1zj9JDtTvGL3Qhs1+L5Nfg 3ep4YWcC1r5OlL59RvJ/CihfbZp8ne0GI90I0aNH06z+QERSKEFCniC1cdGxgGUi1WEa 7oySX77j4PhHbkrF4tjT/S93IaI0HOEEdDfuXF+SWm5FH7K1aVH4IJrY0IL92MqaEryP u3nXdMtP7mXDdFr1jJmQqDcd+dvOOOMokmfjSsk1GG3DUNM6SnlNye/9nNxD/3lZB+Kv l06g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject :content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:to:from:dkim-signature; bh=IzlwigeDYG8N9eg7gYUSsa8DzLsxM0lMmKo+XxYsWKU=; b=ipRTiMBqC9o7EURXHcJs/G1XWCbMZR3CPUmRZ2fCkWgxuSeMx+F4VVozy43mT+sx+O Lc1DoYr3iUtY8WfwGY7QvDR1jrXsLDZLkwr1UFgQcUA2veFXunZcZbJAXgwo1C+PUoES NnTCksukv6aBJVwuf0a9l0vt4h68BJV90pPRwJkuiIvxwmOaJ3UP5b0JQbwhJDmF0kYS xfmKsv4bTMMDgQ/AHOHfnF2XXJr3l7eB/usJClyajx/mipS+X+hs6A+8Ivb4i8jk1PMz P4s7MeUM5XnM47zAllO13KsEalduWvpJxjSbbc0vN1KQO0eFbngpo3vStEtCdaBWVNJd beOA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=tnXwkuWi; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id b60si2005051ybi.238.2019.02.14.11.09.16 for (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 14 Feb 2019 11:09:16 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=tnXwkuWi; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([127.0.0.1]:53534 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1guMNn-0001KZ-Og for patch@linaro.org; Thu, 14 Feb 2019 14:09:15 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53747) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1guMKo-0007hg-2N for qemu-devel@nongnu.org; Thu, 14 Feb 2019 14:06:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1guMKn-0004cg-8k for qemu-devel@nongnu.org; Thu, 14 Feb 2019 14:06:10 -0500 Received: from mail-wr1-x42a.google.com ([2a00:1450:4864:20::42a]:32812) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1guMKn-0004cA-1O for qemu-devel@nongnu.org; Thu, 14 Feb 2019 14:06:09 -0500 Received: by mail-wr1-x42a.google.com with SMTP id i12so7757166wrw.0 for ; Thu, 14 Feb 2019 11:06:08 -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-Received: by 2002:adf:9d85:: with SMTP id p5mr3927642wre.215.1550171167765; Thu, 14 Feb 2019 11:06:07 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [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) 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 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+patch=linaro.org@nongnu.org Sender: "Qemu-devel" 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(+) -- 2.20.1 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[] = { .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0, .access = PL2_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, + { .name = "HACR_EL2", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 7, + .access = PL2_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, { .name = "ESR_EL2", .state = ARM_CP_STATE_BOTH, .opc0 = 3, .opc1 = 4, .crn = 5, .crm = 2, .opc2 = 0, .access = PL2_RW, @@ -4666,6 +4669,9 @@ static const ARMCPRegInfo el2_cp_reginfo[] = { .cp = 15, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 0, .access = PL2_RW, .fieldoffset = offsetof(CPUARMState, cp15.hcr_el2), .writefn = hcr_writelow }, + { .name = "HACR_EL2", .state = ARM_CP_STATE_BOTH, + .opc0 = 3, .opc1 = 4, .crn = 1, .crm = 1, .opc2 = 7, + .access = PL2_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, { .name = "ELR_EL2", .state = ARM_CP_STATE_AA64, .type = ARM_CP_ALIAS, .opc0 = 3, .opc1 = 4, .crn = 4, .crm = 0, .opc2 = 1,