From patchwork Tue May 18 05:30:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 441110 Delivered-To: patch@linaro.org Received: by 2002:a02:7a1b:0:0:0:0:0 with SMTP id a27csp1773121jac; Mon, 17 May 2021 22:32:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwlcQJod9kz9zkYXW6yDU580w0Egwk/r9civ477EJEsAfIvyhUTAL5uhaIryHzbBbRJLEwc X-Received: by 2002:a05:6102:124d:: with SMTP id p13mr4256783vsg.58.1621315954166; Mon, 17 May 2021 22:32:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1621315954; cv=none; d=google.com; s=arc-20160816; b=cuEOWKTkffyLwvocYCjQjtUSn0TaJOGTzcIwUcZ6nMy70/H5tn8pYtdIbD863iuHxQ bNzDHJkev8MIujl6Nr2HKQZC+Gt4AY94ABEUaPhnGr8x3Yq8bv37onZ5VxI/GKjZBdhZ TBgRo6LAmUhltGTyNO/NhnfipsJzOY7Zhippm47i1DfaVG1SgbVHoCgJ6RBaVEEwY8zx uSQtljyY2KQdt0rO1OMde2X2SfSTbGWlQEm8DumCJ+JjbMNs9aIoVkB7/LGUKyZiPQ3b HZs0BKlqk8lFxMlMFamaQ2c4imz80e8KGs+5au4JBI9xAJdgmsW5ZB8xRNJZzmSByxig IAlw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from; bh=Gwtu2bwOjeV8nx3q69g5zVj7qdW0SsuFeyNbW1BIYQo=; b=XoxsR2blLN/f9RvLQL/I31Ye1u8D9dGCzrBXO0tpeDWFlJh+L7UlVhP+DpmY4HEDbC IgwIRs4guOIG5MFqkBiuBDZ8o621mq044/rtP5JyFjqVrm7zxAUbG9a5IFlq4BnD9dcL XKiA/89/6hCzmcw3Zr4qVhqOimq0e8KKYFhyCkE5GFhioKFQa9Xz0OyZXolTHPOuCJd+ cOHzE7gtkw9bn3/9PfB2mPMkoz92S6qTrY2Su6KcY01kiUgq9IYxiq5MnId4Z/he3iRG B+eUs7yyAB3NEQ7/NDOKF48jR2mNHyxz5gCCoWH61tp4L2DalIGK0Q8bs8F1MaOTqQMz wlKg== ARC-Authentication-Results: i=1; mx.google.com; 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" Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id h14si3742043uap.213.2021.05.17.22.32.34 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 17 May 2021 22:32:34 -0700 (PDT) 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; 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" Received: from localhost ([::1]:39644 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lisLJ-0006jF-Ii for patch@linaro.org; Tue, 18 May 2021 01:32:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38244) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKR-0006fL-Kl for qemu-devel@nongnu.org; Tue, 18 May 2021 01:31:39 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:38281) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKP-0006rY-85 for qemu-devel@nongnu.org; Tue, 18 May 2021 01:31:39 -0400 Received: from quad ([82.142.31.78]) by mrelayeu.kundenserver.de (mreue106 [212.227.15.183]) with ESMTPSA (Nemesis) id 1M27ix-1lko8d3fxp-002Vdo; Tue, 18 May 2021 07:31:35 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 05/59] linux-user/arm: Do not fill in si_code for fpa11 exceptions Date: Tue, 18 May 2021 07:30:37 +0200 Message-Id: <20210518053131.87212-6-laurent@vivier.eu> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210518053131.87212-1-laurent@vivier.eu> References: <20210518053131.87212-1-laurent@vivier.eu> MIME-Version: 1.0 X-Provags-ID: V03:K1:5D98tTpusNVYKwgF/UlPpY4Q7yRnTsGkIxu0I/TyQXiSoN6Vqan M3pXP2zd+Fn+s6PLdCoINwpfYtB4QikbU/NUioGAAlEmfhAaplq+icpkJSkwPucRYsOkEwC 7Bd60NVvYqZFj6BWWg3fphjsU6Of2FhILwjJ2f+2VVDJDSm8kvq5pZJmLpz14emWai53dVR Uwk27wUbx6+pp+ejddy3A== X-UI-Out-Filterresults: notjunk:1; V03:K0:wK/v6X9ir5k=:apC3rRfzW1AL9gpKZniGYg tH4SXtAQjUJpwH7gn4xm5PtzRp8E6/HWeHC4eFLiLNEJASk087wrg9EHNo+Vk82jhWwICZoQk tvP7v1lCr26sSxwQjmgsNEby4BYpAltq0PqltLKx39mPGEiBtoLXpSRqEEUH2KuQI5ACcMYwL En6K7E/TLqdZG1eI47oDAC/WfQTeHUiKtJ2MityP2HFb4LtLQ0Ye4ZcIIeMqo/7S2Wrzf+3n8 vC27kuIhYRTQ1bKFhdZZ1/WLB6zdO2ch1f84c5qc6PJwm4gfDOLGYs0Kty9BsV9lhN4N4h+y8 0sbEbKW0OrsOQZDHvX4rajR8doX0MQreGdUyW5LI4OZtYgLTWoIBJb2eGryZQ49VJNSDl/GMn KJJsp+bFDzRHBcSVg+3TtFBu/l7JrVV2JVDuLqCJ4hlDB4s35UOSHZ8WuljpCop27GwOfy0jS F8d+t9UxCHucR3XepF/JpJIC4IWc3M02f4b8ZVa2omPYvIApfPGlLmTS5Wfxq1Jq9Bd2FI9/l alELUjnKOrfSM2XD5esgew= Received-SPF: none client-ip=212.227.17.10; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Richard Henderson , Laurent Vivier Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson There is no such decoding in linux/arch/arm/nwfpe/fpmodule.c. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell Message-Id: <20210423165413.338259-4-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/arm/cpu_loop.c | 26 ++++++-------------------- 1 file changed, 6 insertions(+), 20 deletions(-) -- 2.31.1 diff --git a/linux-user/arm/cpu_loop.c b/linux-user/arm/cpu_loop.c index e2a1496b9fe7..5f61d25717c3 100644 --- a/linux-user/arm/cpu_loop.c +++ b/linux-user/arm/cpu_loop.c @@ -262,29 +262,15 @@ static bool emulate_arm_fpa11(CPUARMState *env, uint32_t opcode) /* Exception enabled? */ FPSR fpsr = ts->fpa.fpsr; if (fpsr & (arm_fpe << 16)) { - target_siginfo_t info; + target_siginfo_t info = { }; + /* + * The kernel's nwfpe emulator does not pass a real si_code. + * It merely uses send_sig(SIGFPE, current, 1). + */ info.si_signo = TARGET_SIGFPE; - info.si_errno = 0; - - /* ordered by priority, least first */ - if (arm_fpe & BIT_IXC) { - info.si_code = TARGET_FPE_FLTRES; - } - if (arm_fpe & BIT_UFC) { - info.si_code = TARGET_FPE_FLTUND; - } - if (arm_fpe & BIT_OFC) { - info.si_code = TARGET_FPE_FLTOVF; - } - if (arm_fpe & BIT_DZC) { - info.si_code = TARGET_FPE_FLTDIV; - } - if (arm_fpe & BIT_IOC) { - info.si_code = TARGET_FPE_FLTINV; - } + info.si_code = TARGET_SI_KERNEL; - info._sifields._sigfault._addr = env->regs[15]; queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); } else { env->regs[15] += 4;