From patchwork Tue May 14 11:07:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 1934959 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Vdtrm0DP6z20d6 for ; Tue, 14 May 2024 21:08:40 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s6q0x-0004ps-QE; Tue, 14 May 2024 07:08:11 -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 1s6q0q-0004ff-FC for qemu-devel@nongnu.org; Tue, 14 May 2024 07:08:04 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s6q0l-0006WE-OU for qemu-devel@nongnu.org; Tue, 14 May 2024 07:08:03 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Bx+ukJRkNm+6MMAA--.18527S3; Tue, 14 May 2024 19:07:53 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxMlYIRkNmaVkeAA--.37485S2; Tue, 14 May 2024 19:07:52 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, zhaotianrui@loongson.cn, richard.henderson@linaro.org, philmd@linaro.org, peter.maydell@linaro.org Subject: [PATCH] target/loongarch/kvm: fpu save the vreg registers high 192bit Date: Tue, 14 May 2024 19:07:52 +0800 Message-Id: <20240514110752.989572-1-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxMlYIRkNmaVkeAA--.37485S2 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn 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, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org On kvm side, get_fpu/set_fpu save the vreg registers high 192bits, but QEMU missing. Signed-off-by: Song Gao Reviewed-by: Bibo Mao --- target/loongarch/kvm/kvm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index a9f9020071..0b5dbb7ed8 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 = fpu.fcsr; for (i = 0; i < 32; i++) { env->fpr[i].vreg.UD[0] = fpu.fpr[i].val64[0]; + env->fpr[i].vreg.UD[1] = fpu.fpr[i].val64[1]; + env->fpr[i].vreg.UD[2] = fpu.fpr[i].val64[2]; + env->fpr[i].vreg.UD[3] = fpu.fpr[i].val64[3]; } for (i = 0; i < 8; i++) { env->cf[i] = fpu.fcc & 0xFF; @@ -455,6 +458,9 @@ static int kvm_loongarch_put_regs_fp(CPUState *cs) fpu.fcc = 0; for (i = 0; i < 32; i++) { fpu.fpr[i].val64[0] = env->fpr[i].vreg.UD[0]; + fpu.fpr[i].val64[1] = env->fpr[i].vreg.UD[1]; + fpu.fpr[i].val64[2] = env->fpr[i].vreg.UD[2]; + fpu.fpr[i].val64[3] = env->fpr[i].vreg.UD[3]; } for (i = 0; i < 8; i++) {