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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id s3sm2604497wrt.81.2019.03.15.04.39.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 Mar 2019 04:39:14 -0700 (PDT) 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=5tTWpRb54xDOGHeIofrt62xZ6VBw/8V4bBdWygMqPYI=; b=Rly1zHYvzUw0L/cbtS/Tv2D/23HN7IaIZg7jRx2Jl7ClkeuaOJejJEQ/yu2rUPaqlh jUYe5dqQppa7zKVU1yt4o8oKfWvh++83aF4oiVvyfwUfwoHFb9Uy2YfRfbm6kBkdc/Gh xUa6i9D5GPuH75floUsNItCG56/ZQuWTbgbw+fnfmNuvykQ07yZc8UKylKjj1PuyRG3R Xr8UKLCjxvo5MjCnIQBNLDUGAEYx0g35BKL8L0wQLauGouPGtMO/v2JCckjh0jeMSlSo sQPDVoQwsvLKMnUn/j00inPnwQ9pGaiOe91bVF5vb8mBz2caD6OHKyzpbrG+MIsBbJFb TWng== 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=5tTWpRb54xDOGHeIofrt62xZ6VBw/8V4bBdWygMqPYI=; b=FJI2YKLC4QAChfXyP/GlVWb7eF4GV5ZjVwjc1slnaz/zXUwzZZXH53s4RDzZvQeory xnTXTDkdzOQUw8jOmzSfilNzntHm4EdRE/1Nmn23oFBlfDL2DNqepecFT/gQvYvRyEWa CCEzi/ipfsr9ODyZF3HlGWHHBcL5dKtUVe5ONyRXUHWv+f2bRoXqxqAQL6/3lXF/0TF7 qFwtnOQxk0QUn/enPJlSumuVEARbabOY2BrJBzwMX+iuN/794a4ipyj12DwKnKItxKdx JV32xDsayvlUxeReYIuBfli0UFOGEJsZ3GrVhnkpD+l7nf74ZQ35rzCxqMvvC7j1lvTj bdBw== X-Gm-Message-State: APjAAAX8skdyt0UZOjIisn/WlpNsrjNVJH23MUqNqZ6dmiP7E85cFzYf 8leDcWfBTbDAeEfl69hsogTwm/ioGyU= X-Google-Smtp-Source: APXvYqziFZBEaau7pZB1cHoehkMXppmpk8+HmPo2ez/v8y6leEZo2tJQ5Y75Dtbevbct6ajeOtbNOw== X-Received: by 2002:adf:f803:: with SMTP id s3mr2082018wrp.38.1552649955170; Fri, 15 Mar 2019 04:39:15 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Date: Fri, 15 Mar 2019 11:39:06 +0000 Message-Id: <20190315113906.6585-6-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190315113906.6585-1-peter.maydell@linaro.org> References: <20190315113906.6585-1-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::441 Subject: [Qemu-devel] [PULL 5/5] target/arm: Check access permission to ADDVL/ADDPL/RDVL 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" From: Amir Charif These instructions do not trap when SVE is disabled in EL0, causing them to be executed with wrong size information. Signed-off-by: Amir Charif Message-id: 1552579248-31025-1-git-send-email-amir.charif@cea.fr Reviewed-by: Richard Henderson Reviewed-by: Peter Maydell [PMM: added 'target/arm' prefix to subject] Signed-off-by: Peter Maydell --- target/arm/translate-sve.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 3a2eb515664..245cd826217 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -943,24 +943,30 @@ static bool trans_INDEX_rr(DisasContext *s, arg_INDEX= _rr *a) =20 static bool trans_ADDVL(DisasContext *s, arg_ADDVL *a) { - TCGv_i64 rd =3D cpu_reg_sp(s, a->rd); - TCGv_i64 rn =3D cpu_reg_sp(s, a->rn); - tcg_gen_addi_i64(rd, rn, a->imm * vec_full_reg_size(s)); + if (sve_access_check(s)) { + TCGv_i64 rd =3D cpu_reg_sp(s, a->rd); + TCGv_i64 rn =3D cpu_reg_sp(s, a->rn); + tcg_gen_addi_i64(rd, rn, a->imm * vec_full_reg_size(s)); + } return true; } =20 static bool trans_ADDPL(DisasContext *s, arg_ADDPL *a) { - TCGv_i64 rd =3D cpu_reg_sp(s, a->rd); - TCGv_i64 rn =3D cpu_reg_sp(s, a->rn); - tcg_gen_addi_i64(rd, rn, a->imm * pred_full_reg_size(s)); + if (sve_access_check(s)) { + TCGv_i64 rd =3D cpu_reg_sp(s, a->rd); + TCGv_i64 rn =3D cpu_reg_sp(s, a->rn); + tcg_gen_addi_i64(rd, rn, a->imm * pred_full_reg_size(s)); + } return true; } =20 static bool trans_RDVL(DisasContext *s, arg_RDVL *a) { - TCGv_i64 reg =3D cpu_reg(s, a->rd); - tcg_gen_movi_i64(reg, a->imm * vec_full_reg_size(s)); + if (sve_access_check(s)) { + TCGv_i64 reg =3D cpu_reg(s, a->rd); + tcg_gen_movi_i64(reg, a->imm * vec_full_reg_size(s)); + } return true; } =20 --=20 2.20.1