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([2602:ae:1547:e101:d3db:cca:e5c9:6531]) by smtp.gmail.com with ESMTPSA id y26-20020aa7805a000000b0051876d83714sm7476904pfm.196.2022.06.06.19.47.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jun 2022 19:47:56 -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=wQ71nJahwuqq+z7DVE0+r1oElsGD+n7N1FiHPA9m6ck=; b=vAFIFBzfip9YbJuILHAJ+0Ll9RvT/j5oI5SOqM7O7iUGgrLjL0xZNYU0KPwQnajshS szox5ZfepniHVgen2HiepStLT589/WcYr2nmXLPWSjBVNby2XqulbdIyNMy/QMXa0pBm /aV3M2BcwDMz5T4yT9ijOTzG/sbi2gJ7wq1RIbi/0wmDer7//CscuYMqOx+HTJXCcZ29 pBiGl8Fz2x+dD+UZr5p0r3JpLX0ZyqoPuAR91yC1bYNOR0bp3yVm+cygBcxPow3LGFH6 EsEDJ/2v7S/KrBLRIw8uOdTunIcPj+XvdmQ1JF58KWrd1vo8bRfXU3rhvsVB6ZU4W+dm RNVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wQ71nJahwuqq+z7DVE0+r1oElsGD+n7N1FiHPA9m6ck=; b=HUdGi1DgR8IddvvYibyCubpLFoUSKxoOxS+lNex5HZ4sd3fIBP1nI2JOLwiozx/HLM tRlQ2GvVHGe6IBk9UwAqWIVn5u3TYGFkOQdiqqpzQkTGL6MnQtyDrKOtnYX1fFEo/9GC nbyCk9eV5qYy2n4g5zkzN2pVP54G/o25bcJKVncn7mJHEIBoe7SxnFexoI/Mm9Wgkj6f MIR31z99oj+IkuSuwmyyeW2EXhuzlrL/XaCVcA0Aw++cqITdKPGTLrQ6ZP8qIbdZe5on zcwdddXviQ/4L218tpqeJ6Kinl8zW6J495OEQ1XrEfhUS4EiOZCgUyaDwcRRykuBpBlm uShw== X-Gm-Message-State: AOAM5304ZUXuXfJQQv4IvIBZVvKRrcOEM24kP9gTJeh/yneFfElBsiTl bq1HZP8Hhw9j2kte46Q7s7lWrs5F2IWyIw== X-Google-Smtp-Source: ABdhPJwG0VAQber75eYEHf5mnjVIrNLk4WbWLydH1GMHmXGjYdCrQSMnAx9egrhV/Ww7w5VS8wTckQ== X-Received: by 2002:a05:6a00:130e:b0:51b:c19c:44b0 with SMTP id j14-20020a056a00130e00b0051bc19c44b0mr27422448pfu.21.1654570077371; Mon, 06 Jun 2022 19:47:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH v2 25/25] target/arm: Fix Secure PL1 tests in fp_exception_el Date: Mon, 6 Jun 2022 19:47:34 -0700 Message-Id: <20220607024734.541321-26-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220607024734.541321-1-richard.henderson@linaro.org> References: <20220607024734.541321-1-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::434; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x434.google.com 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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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: pass (identity @linaro.org) X-ZM-MESSAGEID: 1654572138190100001 Content-Type: text/plain; charset="utf-8" We were using arm_is_secure and is_a64, which are tests against the current EL, as opposed to arm_el_is_aa64 and arm_is_secure_below_el3, which can be applied to a different EL than current. Consolidate the two tests. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/helper.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index eeca1a5dc8..1d81a01c94 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -13400,27 +13400,22 @@ int fp_exception_el(CPUARMState *env, int cur_el) int fpen =3D FIELD_EX64(env->cp15.cpacr_el1, CPACR_EL1, FPEN); =20 switch (fpen) { + case 1: + if (cur_el !=3D 0) { + break; + } + /* fall through */ case 0: case 2: - if (cur_el =3D=3D 0 || cur_el =3D=3D 1) { - /* Trap to PL1, which might be EL1 or EL3 */ - if (arm_is_secure(env) && !arm_el_is_aa64(env, 3)) { - return 3; - } - return 1; - } - if (cur_el =3D=3D 3 && !is_a64(env)) { - /* Secure PL1 running at EL3 */ + /* Trap from Secure PL0 or PL1 to Secure PL1. */ + if (!arm_el_is_aa64(env, 3) + && (cur_el =3D=3D 3 || arm_is_secure_below_el3(env))) { return 3; } - break; - case 1: - if (cur_el =3D=3D 0) { + if (cur_el <=3D 1) { return 1; } break; - case 3: - break; } } =20 --=20 2.34.1