From nobody Tue Feb 10 09:02:04 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1716798580721214.04681845715083; Mon, 27 May 2024 01:29:40 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sBVgt-0000St-J3; Mon, 27 May 2024 04:26:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sBVf8-0005NI-VT; Mon, 27 May 2024 04:25:01 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sBVf7-0001Ep-Ey; Mon, 27 May 2024 04:24:58 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 48B9D6A583; Mon, 27 May 2024 11:22:15 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id 757E3D8520; Mon, 27 May 2024 11:21:41 +0300 (MSK) Received: (nullmailer pid 66468 invoked by uid 1000); Mon, 27 May 2024 08:21:38 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Song Gao , Bibo Mao , Michael Tokarev Subject: [Stable-9.0.1 38/44] target/loongarch/kvm: fpu save the vreg registers high 192bit Date: Mon, 27 May 2024 11:21:29 +0300 Message-Id: <20240527082138.66217-38-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: 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=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1716798582783100007 Content-Type: text/plain; charset="utf-8" From: Song Gao On kvm side, get_fpu/set_fpu save the vreg registers high 192bits, but QEMU missing. Cc: qemu-stable@nongnu.org Signed-off-by: Song Gao Reviewed-by: Bibo Mao Message-Id: <20240514110752.989572-1-gaosong@loongson.cn> (cherry picked from commit 07c0866103d4aa2dd83c7c3e7898843e28e3893a) Signed-off-by: Michael Tokarev diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index d630cc39cb..e2dff2b795 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -436,6 +436,9 @@ static int kvm_loongarch_get_regs_fp(CPUState *cs) env->fcsr0 =3D fpu.fcsr; for (i =3D 0; i < 32; i++) { env->fpr[i].vreg.UD[0] =3D fpu.fpr[i].val64[0]; + env->fpr[i].vreg.UD[1] =3D fpu.fpr[i].val64[1]; + env->fpr[i].vreg.UD[2] =3D fpu.fpr[i].val64[2]; + env->fpr[i].vreg.UD[3] =3D fpu.fpr[i].val64[3]; } for (i =3D 0; i < 8; i++) { env->cf[i] =3D fpu.fcc & 0xFF; @@ -455,6 +458,9 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs) fpu.fcc =3D 0; for (i =3D 0; i < 32; i++) { fpu.fpr[i].val64[0] =3D env->fpr[i].vreg.UD[0]; + fpu.fpr[i].val64[1] =3D env->fpr[i].vreg.UD[1]; + fpu.fpr[i].val64[2] =3D env->fpr[i].vreg.UD[2]; + fpu.fpr[i].val64[3] =3D env->fpr[i].vreg.UD[3]; } =20 for (i =3D 0; i < 8; i++) { --=20 2.39.2