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[98.147.121.51]) by smtp.gmail.com with ESMTPSA id a27-v6sm6187946pfc.18.2018.06.20.18.55.08 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 20 Jun 2018 18:55:09 -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; bh=gLVizP9+OtQMsYfZB5CLtpDd26fS7Q4VxOJvrGxLcWk=; b=Okl5CQkoUBL0dxb31zKdiNx0CoQ7TviNHo/h07VEmSCUWfXIaQ38DlywpQ76qDh4tQ SZuXEDopk0BXZLUKB/yrvjAUH13iy8tYhwwtGVA8/zNQH3Lc1RThWhn9lFpz2LlzzKsN 7mfTIhxhXJ50SVliAvvArNnAScLqYgTe3FfpU= 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; bh=gLVizP9+OtQMsYfZB5CLtpDd26fS7Q4VxOJvrGxLcWk=; b=S9SKte8EbE8RMJJYHD0dBN8SZ+zDcvanlc6qrPzs80tqFVM+U1LkQxz1yN97JtCE9v uqFS6aCuZuvRGRjFCxv8fVAzR+oSDODxYZno3uibhX8trgznbpe4XZDoZjwQG4siKAaT Sm9nZfRbRFYtkFr6iGvOxnEwTJ1yiZEcB6d6RJJmvg0JdqAYOMkhGzAymXowJM0BFpCm P5oHx5wHuGwfAs4Mc0OvPWQDS/cDmOdtusWoeFX9rZ5Sz088eEQ2ry4ydRFAjiZyzsKt 1Bn7q5kr+GAMwNDaobNcmVdEhAGtsDh/ALEVmolFaY4MzaaWvQgDOrUFAS2MyRwl349s Aqtw== X-Gm-Message-State: APt69E39sm1oSZmyGVfyosvOmPSzsphsP5dO6uCvLmzzPfZRrPI07vTM YvwRbsLx5eWUtp1TQyNZm2u0e1RUT1c= X-Google-Smtp-Source: ADUXVKIIYAzyusJZ4Z2CwZitb9w1a4j4Ro+GgDczVUNmrpJEzUHrMJMD58ryb1dMUL8b24ov0nxZ0A== X-Received: by 2002:a17:902:1081:: with SMTP id c1-v6mr26228473pla.153.1529546110071; Wed, 20 Jun 2018 18:55:10 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 20 Jun 2018 15:53:58 -1000 Message-Id: <20180621015359.12018-35-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180621015359.12018-1-richard.henderson@linaro.org> References: <20180621015359.12018-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c01::243 Subject: [Qemu-devel] [PATCH v5 34/35] target/arm: Enable SVE for aarch64-linux-user 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: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Enable ARM_FEATURE_SVE for the generic "max" cpu. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/cpu.c | 7 +++++++ target/arm/cpu64.c | 1 + 2 files changed, 8 insertions(+) diff --git a/target/arm/cpu.c b/target/arm/cpu.c index e1de45e904..8e4f4d8c21 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -164,6 +164,13 @@ static void arm_cpu_reset(CPUState *s) env->cp15.sctlr_el[1] |=3D SCTLR_UCT | SCTLR_UCI | SCTLR_DZE; /* and to the FP/Neon instructions */ env->cp15.cpacr_el1 =3D deposit64(env->cp15.cpacr_el1, 20, 2, 3); + /* and to the SVE instructions */ + env->cp15.cpacr_el1 =3D deposit64(env->cp15.cpacr_el1, 16, 2, 3); + env->cp15.cptr_el[3] |=3D CPTR_EZ; + /* with maximum vector length */ + env->vfp.zcr_el[1] =3D ARM_MAX_VQ - 1; + env->vfp.zcr_el[2] =3D ARM_MAX_VQ - 1; + env->vfp.zcr_el[3] =3D ARM_MAX_VQ - 1; #else /* Reset into the highest available EL */ if (arm_feature(env, ARM_FEATURE_EL3)) { diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index c50dcd4077..0360d7efc5 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -252,6 +252,7 @@ static void aarch64_max_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_V8_RDM); set_feature(&cpu->env, ARM_FEATURE_V8_FP16); set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); + set_feature(&cpu->env, ARM_FEATURE_SVE); /* For usermode -cpu max we can use a larger and more efficient DCZ * blocksize since we don't have to follow what the hardware does. */ --=20 2.17.1