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=-18.8 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,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 B4BA2C433B4 for ; Mon, 26 Apr 2021 03:14:16 +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 3DCC66023C for ; Mon, 26 Apr 2021 03:14:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3DCC66023C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50494 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1larhP-0005qv-7C for qemu-devel@archiver.kernel.org; Sun, 25 Apr 2021 23:14:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60264) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1larNp-00087J-9a for qemu-devel@nongnu.org; Sun, 25 Apr 2021 22:54:01 -0400 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]:44928) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1larNf-0007c5-VD for qemu-devel@nongnu.org; Sun, 25 Apr 2021 22:54:01 -0400 Received: by mail-pl1-x62c.google.com with SMTP id y1so12490353plg.11 for ; Sun, 25 Apr 2021 19:53:51 -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=TkKT5OMJxjXKKyi/UocWIxlnEBUiJVtr7KGGLmdTMQc=; b=K4FQhBKpa3UfLwf3NkUriynEmfNxzMyZMSlKT9jpSbiZhR5z8IkU5oUke5r+vURhFW uYPqLxJeE8HDuOz03xgyiRGjjTdZcXGh68ot+Io1lgVSsdQWt1X6QJFFmQ2/ML7QdmXA 3QNwWicnkPir94tBK3uTHiRRMq2Uc+HGeHG+aclfL/qa3zSECh5KbyzKxxHcW9XPQdiZ zU/VKhuMp4i1cO4btPRly1OEF3AkSRvZ0egkD08+0QYIuqnLsFz089cwEf1EWKefAyM/ iMqFtTkXUg2XnN6BWdvFZ5fkAyNSzhYaP1vN7GsaXY1bclkohlp5fXZxFLWlc1UbycCd GuGw== 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=TkKT5OMJxjXKKyi/UocWIxlnEBUiJVtr7KGGLmdTMQc=; b=Ww4YOqEBN3NAd3eZy85oCri6ywwMin+h3KVqX4bVudovfCS1u8o79IDLZfrFZkmzm2 suTNzRwLXWyQtjH3mt1UrxZlY+wN6IpYtN7QBGXGXE+enpWyDQ/IEpQOqKPqKz/Q6ZQ2 5w7f0zPB9pJ+c4krgMxOuG542F8JWz9t1ld5e1r9b6K6C7eGOxS9aehchJs+W1Rs/+1q YLvdvohXTH4esRaHa4PVkNdflvK3f3HW2O2T1R1z5oxo7TUboj+BgLclW/Ze2sHl3B9g MSPRLhzKn81QY/zGNioaCoN7P/Zl2n1rYKKiPzq0q83lu6ek6Ir61Qa9ELwTFskzO7Uq kK5A== X-Gm-Message-State: AOAM531QDsBSz8jNsRPWEZy7+pxC++3uo8wpZBsGe2HdDsFpL6E+dR0/ ZQ1+Axn5IYE4227E8MgRK1o9evCC052mbQ== X-Google-Smtp-Source: ABdhPJx8Zkcqf2UX3gG+LcurTwM0ESBFBUlX4zd2m8ZBex7xs01GZjZ6nkG7h142kahmsdOQPsqoww== X-Received: by 2002:a17:902:b10d:b029:ec:b5c2:5724 with SMTP id q13-20020a170902b10db02900ecb5c25724mr16132894plr.2.1619405630267; Sun, 25 Apr 2021 19:53:50 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id e23sm9805680pgg.76.2021.04.25.19.53.49 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Apr 2021 19:53:50 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 22/25] linux-user/sparc: Add 64-bit support to fpu save/restore Date: Sun, 25 Apr 2021 19:53:31 -0700 Message-Id: <20210426025334.1168495-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210426025334.1168495-1-richard.henderson@linaro.org> References: <20210426025334.1168495-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62c.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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The shape of the kernel's __siginfo_fpu_t is dependent on the cpu type, not the abi. Which is weird, but there ya go. Signed-off-by: Richard Henderson --- linux-user/sparc/signal.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c index 0ff57af43d..41a8b33bac 100644 --- a/linux-user/sparc/signal.c +++ b/linux-user/sparc/signal.c @@ -44,6 +44,12 @@ struct target_stackf { }; struct target_siginfo_fpu { +#ifdef TARGET_SPARC64 + uint64_t si_double_regs[32]; + uint64_t si_fsr; + uint64_t si_gsr; + uint64_t si_fprs; +#else /* It is more convenient for qemu to move doubles, not singles. */ uint64_t si_double_regs[16]; uint32_t si_fsr; @@ -52,6 +58,7 @@ struct target_siginfo_fpu { uint32_t insn_addr; uint32_t insn; } si_fpqueue [16]; +#endif }; struct target_signal_frame { @@ -167,21 +174,50 @@ static void save_fpu(struct target_siginfo_fpu *fpu, CPUSPARCState *env) { int i; +#ifdef TARGET_SPARC64 + for (i = 0; i < 32; ++i) { + __put_user(env->fpr[i].ll, &fpu->si_double_regs[i]); + } + __put_user(env->fsr, &fpu->si_fsr); + __put_user(env->gsr, &fpu->si_gsr); + __put_user(env->fprs, &fpu->si_fprs); +#else for (i = 0; i < 16; ++i) { __put_user(env->fpr[i].ll, &fpu->si_double_regs[i]); } __put_user(env->fsr, &fpu->si_fsr); __put_user(0, &fpu->si_fpqdepth); +#endif } static void restore_fpu(struct target_siginfo_fpu *fpu, CPUSPARCState *env) { int i; +#ifdef TARGET_SPARC64 + uint64_t fprs; + __get_user(fprs, &fpu->si_fprs); + + /* In case the user mucks about with FPRS, restore as directed. */ + if (fprs & FPRS_DL) { + for (i = 0; i < 16; ++i) { + __get_user(env->fpr[i].ll, &fpu->si_double_regs[i]); + } + } + if (fprs & FPRS_DU) { + for (i = 16; i < 32; ++i) { + __get_user(env->fpr[i].ll, &fpu->si_double_regs[i]); + } + } + __get_user(env->fsr, &fpu->si_fsr); + __get_user(env->gsr, &fpu->si_gsr); + env->fprs |= fprs; +#else for (i = 0; i < 16; ++i) { __get_user(env->fpr[i].ll, &fpu->si_double_regs[i]); } __get_user(env->fsr, &fpu->si_fsr); +#endif } void setup_frame(int sig, struct target_sigaction *ka, -- 2.25.1