From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C92FC433F5 for ; Sun, 19 Sep 2021 02:12:28 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B091861056 for ; Sun, 19 Sep 2021 02:12:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B091861056 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:45172 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mRmJe-0005ih-RO for qemu-devel@archiver.kernel.org; Sat, 18 Sep 2021 22:12:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41692) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRm5G-0003q2-3L for qemu-devel@nongnu.org; Sat, 18 Sep 2021 21:57:34 -0400 Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]:45663) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mRm5E-0005Bh-HA for qemu-devel@nongnu.org; Sat, 18 Sep 2021 21:57:33 -0400 Received: by mail-pl1-x62e.google.com with SMTP id n2so6151568plk.12 for ; Sat, 18 Sep 2021 18:57:32 -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=qbTX6X3ZiaT/yz+580OpvnsMVLtbZ8O1xHLPy0wb8Rs=; b=NeHewr+JamXRqPJvzk9BBKgsg4ah7N0Wz4Ilgu8WEIDeQD/mBhVQgphpQppYyNSQfD JuRf1jQEF/hHslR4QKjFBEi4t2ewZF4HsJctPnnLYr8t+y2GgrwsTFuhd4aX3+iLesbg 6dhnxjqjMsy3uLZ+j4zMeSOcZ94slhi2Shw5mIoYPF49LsNUF9h22u0WiVBTGz8lCYol TQSzQdChyMgfj+ExKkxCAxvAtr4+W9EoibeKyPpReDrbnhDkwDAkTEx4WTChK7UM8xkt cg//74K0Sj9UIxZfrsM+HtxUsmIio0KEmI9i5dt4HW1SUIF6DiQy/8duwafPClwrn3/f 5JAA== 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=qbTX6X3ZiaT/yz+580OpvnsMVLtbZ8O1xHLPy0wb8Rs=; b=6k0d8oPlZGt+TvdJHhFHOPQKtT0qBoU/D4G8pei4Mtn+jMj+mvx3CUk3VAS3cmalBR k3uehNASId/qHiMB80qJ+3HYBk00hu9zv3NA+WSIfj0S393Fb2wZCEQ6LFWqIBwa8Zf5 VM4iAQ6v5aLHtwU9A78tcMzq4BKdX2NFNx8KI3n7S8/z+BqgWRDJxvS2r/EWiGTPPVFQ jpG3Rw2WN/gnovxNHNjSYE7xAOxj/8QQxWsW2+mzBrIJX73d7DbmxUNLPUF++GziOJP1 +PTNxLvXlEYtDDfh3snnBT4PWaUNAnXmyXS7lXuJCGbE0dAbLUTRF6b2QuMOg5sS4Jzd BVmQ== X-Gm-Message-State: AOAM532Ook2VEpJqJY10JNUshgyhMe/TCwvC5vJVtMlaRGY8PP0IamCA M0Mg90+AonVCkvZJiexz3/gruzjcVaTdSg== X-Google-Smtp-Source: ABdhPJyvQ9zkwfElgdJQavrrgmOkHxissi8ew5gihGy2rVY3uSohB0ignw7liaWVrFsRZ6vSzcCVAg== X-Received: by 2002:a17:902:8647:b0:139:edc9:ed43 with SMTP id y7-20020a170902864700b00139edc9ed43mr16489194plt.23.1632016651247; Sat, 18 Sep 2021 18:57:31 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id k14sm6747899pgg.92.2021.09.18.18.57.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Sep 2021 18:57:30 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 14/25] linux-user/microblaze: Fix SIGFPE si_codes Date: Sat, 18 Sep 2021 18:57:07 -0700 Message-Id: <20210919015718.466207-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210919015718.466207-1-richard.henderson@linaro.org> References: <20210919015718.466207-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62e.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 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: laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Fix a typo for ESR_EC_DIVZERO, which is integral not floating-point. Fix the if ladder for decoding floating-point exceptions. Signed-off-by: Richard Henderson --- linux-user/microblaze/cpu_loop.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c index c527d21889..74b2a9fc43 100644 --- a/linux-user/microblaze/cpu_loop.c +++ b/linux-user/microblaze/cpu_loop.c @@ -77,15 +77,25 @@ void cpu_loop(CPUMBState *env) env->iflags &= ~(IMM_FLAG | D_FLAG); switch (env->esr & 31) { case ESR_EC_DIVZERO: - si_code = TARGET_FPE_FLTDIV; + si_code = TARGET_FPE_INTDIV; break; case ESR_EC_FPU: - si_code = 0; - if (env->fsr & FSR_IO) { + /* + * Note that the kernel passes along fsr as si_code + * if there's no recognized bit set. Possibly this + * implies that si_code is 0, but follow the structure. + */ + si_code = env->fsr; + if (si_code & FSR_IO) { si_code = TARGET_FPE_FLTINV; - } - if (env->fsr & FSR_DZ) { + } else if (si_code & FSR_OF) { + si_code = TARGET_FPE_FLTOVF; + } else if (si_code & FSR_UF) { + si_code = TARGET_FPE_FLTUND; + } else if (si_code & FSR_DZ) { si_code = TARGET_FPE_FLTDIV; + } else if (si_code & FSR_DO) { + si_code = TARGET_FPE_FLTRES; } break; default: -- 2.25.1