From nobody Tue Feb 10 09:43:05 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1621316210; cv=none; d=zohomail.com; s=zohoarc; b=XlIUohR4li/R0vjWubGQ2LCGhEMbNJgk8ITH7E27tzblbaGQ3ZNwgFvhTX3QkVAsMe0mij3bmSiUnp9+rHBxWCRIz6J8Lf881z4+Ft5GGdtFpVLWwSU8ZKzqhCYMMLT1E+mZBGqBHBT0gVEXllRFa0MmfYD/zTvm57QRPTBJsl0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621316210; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=A2nc0rX1Iqy4HRlYvwf20T8jLafbFovSTexElWk5DLg=; b=SbwgmBHMbPVyg33Bsm6Pghd87ts2pdnQkyyjM8ALBm1xux6Owh8oYYjO/tNxpXMsjbqb4AwOarN1djQC7icS4ZlGZv6ySSQ++x525lZU7OIa9c/z8pausD1SM1cS04tcZuofRPB7U/BvFPbUD0Qo+XN4nJFmvRcQR8V54PxQ16A= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621316210620697.0808110645847; Mon, 17 May 2021 22:36:50 -0700 (PDT) Received: from localhost ([::1]:60370 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lisPR-00041t-HZ for importer@patchew.org; Tue, 18 May 2021 01:36:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKe-0007P7-QY for qemu-devel@nongnu.org; Tue, 18 May 2021 01:31:52 -0400 Received: from mout.kundenserver.de ([212.227.126.131]:54723) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lisKb-00075g-Nl for qemu-devel@nongnu.org; Tue, 18 May 2021 01:31:52 -0400 Received: from quad ([82.142.31.78]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.167]) with ESMTPSA (Nemesis) id 1MFbBO-1lhG3B2ays-00H9AI; Tue, 18 May 2021 07:31:47 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PULL 29/59] linux-user/sparc: Add 64-bit support to fpu save/restore Date: Tue, 18 May 2021 07:31:01 +0200 Message-Id: <20210518053131.87212-30-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 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:kbm87H6GosaiRgNfHBPWWlsPUgW5jJAWAt8CM7dvKd8pnjCOOo3 4fbBeyGomwdL0YfmPPDQRpu1i5UrKkY+5Frg0+PtHXfY2CZizY0XRrB9MidXjEamq3CZojr zb4HKD0+pFxCbNC3PSjB6dNlJHH72FnIL/mWmF5baWqzcRtUR61jFQ0Ry3BaE4OH/+smadM JQMBvK37/W46omGgx/Ocg== X-UI-Out-Filterresults: notjunk:1;V03:K0:nppYtzIi45Y=:f8HQUzN/s2J0+LgxIg88ZA ctIibT7A7SintwICXViQb7QjD4ckUtrmmgN9uoJnhPUS1Oz0zVB34pFl+7WAcsjgthiMUCc4O KafOLDDyLru7RqUzTD7BVH4MPDewP+TTAExMEPgGBOVlO28jNn11gS6G1EKoUxUSGGUfMDdkw EYcKTJpeVupvqFVSuvDb3VDYp1Ott4dEhI7WSN79HjCzJJa4d4Wvc0cw3ajcy3P1EnhKUT43f F90kXdbfUkmVzyiX4mXYZd5fp1afUqJLomQ0+6QsBKXGoQNELG5gf/XiN3QS4q8SH9CVPUOpy a70mpudWDA3cUF+AhARdL5CPcFV5U83eMbot9kX8CD+old1N+jXFkIUF+B/W1WPq1v+6fzCfZ 9MtbTy0ug078g+zY+7+s4Y5eD5Mhe4DST5xZ8Hd7/i7VCvF+ZTivjf0L8gT6hiI/TzmkmZoKL ZJthaabq0taY3Pd9isIXYyhPo+EZsgZsBYBpSJRzNNsdnccJVLr19ZkCO4stSJ99nhKDqIDPl Pjq/bN+6rEs1Udsf+TiZBs= 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: none client-ip=212.227.126.131; 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, 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: Richard Henderson , Laurent Vivier Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Richard Henderson 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 Message-Id: <20210426025334.1168495-23-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- 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 0ff57af43d1e..41a8b33bac3c 100644 --- a/linux-user/sparc/signal.c +++ b/linux-user/sparc/signal.c @@ -44,6 +44,12 @@ struct target_stackf { }; =20 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 }; =20 struct target_signal_frame { @@ -167,21 +174,50 @@ static void save_fpu(struct target_siginfo_fpu *fpu, = CPUSPARCState *env) { int i; =20 +#ifdef TARGET_SPARC64 + for (i =3D 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 =3D 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 } =20 static void restore_fpu(struct target_siginfo_fpu *fpu, CPUSPARCState *env) { int i; =20 +#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 =3D 0; i < 16; ++i) { + __get_user(env->fpr[i].ll, &fpu->si_double_regs[i]); + } + } + if (fprs & FPRS_DU) { + for (i =3D 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 |=3D fprs; +#else for (i =3D 0; i < 16; ++i) { __get_user(env->fpr[i].ll, &fpu->si_double_regs[i]); } __get_user(env->fsr, &fpu->si_fsr); +#endif } =20 void setup_frame(int sig, struct target_sigaction *ka, --=20 2.31.1