From patchwork Wed Nov 8 01:41:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: lixianglai X-Patchwork-Id: 1861366 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 4SQ7CD1BS4z1yQl for ; Wed, 8 Nov 2023 12:43:20 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r0XZw-0008Cp-Pt; Tue, 07 Nov 2023 20:42:00 -0500 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 1r0XZv-0008Bk-05 for qemu-devel@nongnu.org; Tue, 07 Nov 2023 20:41:59 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r0XZq-0005pX-Sn for qemu-devel@nongnu.org; Tue, 07 Nov 2023 20:41:58 -0500 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxRvFd50plUuM3AA--.44363S3; Wed, 08 Nov 2023 09:41:49 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxS9xR50pl9qo7AA--.63823S5; Wed, 08 Nov 2023 09:41:47 +0800 (CST) From: xianglai li To: qemu-devel@nongnu.org Cc: gaosong@loongson.cn, maobibo@loongson.cn, zhaotianrui@loongson.cn, mst@redhat.com, cohuck@redhat.com, pbonzini@redhat.com, marcandre.lureau@redhat.com, berrange@redhat.com, thuth@redhat.com, philmd@linaro.org, richard.henderson@linaro.org, peter.maydell@linaro.org, yangxiaojuan@loongson.cn Subject: [PATCH v1 3/9] target/loongarch: Supplement vcpu env initial when vcpu reset Date: Wed, 8 Nov 2023 09:41:35 +0800 Message-Id: <20231108014141.2590657-4-lixianglai@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20231108014141.2590657-1-lixianglai@loongson.cn> References: <20231108014141.2590657-1-lixianglai@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxS9xR50pl9qo7AA--.63823S5 X-CM-SenderInfo: 5ol0xt5qjotxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=lixianglai@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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Tianrui Zhao Supplement vcpu env initial when vcpu reset, including init vcpu CSR_CPUID,CSR_TID to cpu->cpu_index. The two regs will be used in kvm_get/set_csr_ioctl. Signed-off-by: Tianrui Zhao Signed-off-by: xianglai li --- target/loongarch/cpu.c | 2 ++ target/loongarch/cpu.h | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index ef1bf89dac..1eed1b3eb0 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -524,10 +524,12 @@ static void loongarch_cpu_reset_hold(Object *obj) env->CSR_ESTAT = env->CSR_ESTAT & (~MAKE_64BIT_MASK(0, 2)); env->CSR_RVACFG = FIELD_DP64(env->CSR_RVACFG, CSR_RVACFG, RBITS, 0); + env->CSR_CPUID = cs->cpu_index; env->CSR_TCFG = FIELD_DP64(env->CSR_TCFG, CSR_TCFG, EN, 0); env->CSR_LLBCTL = FIELD_DP64(env->CSR_LLBCTL, CSR_LLBCTL, KLO, 0); env->CSR_TLBRERA = FIELD_DP64(env->CSR_TLBRERA, CSR_TLBRERA, ISTLBR, 0); env->CSR_MERRCTL = FIELD_DP64(env->CSR_MERRCTL, CSR_MERRCTL, ISMERR, 0); + env->CSR_TID = cs->cpu_index; env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, TLB_TYPE, 2); env->CSR_PRCFG3 = FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, MTLB_ENTRY, 63); diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 40e70a8119..e6a99c83ab 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -318,6 +318,7 @@ typedef struct CPUArchState { uint64_t CSR_PWCH; uint64_t CSR_STLBPS; uint64_t CSR_RVACFG; + uint64_t CSR_CPUID; uint64_t CSR_PRCFG1; uint64_t CSR_PRCFG2; uint64_t CSR_PRCFG3; @@ -349,7 +350,6 @@ typedef struct CPUArchState { uint64_t CSR_DBG; uint64_t CSR_DERA; uint64_t CSR_DSAVE; - uint64_t CSR_CPUID; #ifndef CONFIG_USER_ONLY LoongArchTLB tlb[LOONGARCH_TLB_MAX];