From patchwork Thu Aug 27 09:21:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yifei Jiang X-Patchwork-Id: 11740373 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 37B1C739 for ; Thu, 27 Aug 2020 09:25:35 +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 19BBD22CF6 for ; Thu, 27 Aug 2020 09:25:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 19BBD22CF6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:36222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kBEA2-00089V-Az for patchwork-qemu-devel@patchwork.kernel.org; Thu, 27 Aug 2020 05:25:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57030) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBE7N-0002ig-Lo; Thu, 27 Aug 2020 05:22:49 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:4659 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBE7L-0003G5-Eb; Thu, 27 Aug 2020 05:22:49 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id B030E6AA5F5D63F4845C; Thu, 27 Aug 2020 17:22:42 +0800 (CST) Received: from huawei.com (10.174.187.31) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Thu, 27 Aug 2020 17:22:36 +0800 From: Yifei Jiang To: , Subject: [PATCH RFC v3 14/14] target/riscv: Support virtual time context synchronization Date: Thu, 27 Aug 2020 17:21:37 +0800 Message-ID: <20200827092137.479-15-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20200827092137.479-1-jiangyifei@huawei.com> References: <20200827092137.479-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.187.31] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=jiangyifei@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/27 02:12:47 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-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: , Cc: victor.zhangxiaofeng@huawei.com, sagark@eecs.berkeley.edu, kvm@vger.kernel.org, libvir-list@redhat.com, kbastian@mail.uni-paderborn.de, anup.patel@wdc.com, yinyipeng1@huawei.com, Alistair.Francis@wdc.com, Yifei Jiang , kvm-riscv@lists.infradead.org, palmer@dabbelt.com, dengkai1@huawei.com, wu.wubin@huawei.com, zhang.zhanghailiang@huawei.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Add virtual time context description to vmstate_riscv_cpu. After cpu being loaded, virtual time context is updated to KVM. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin --- target/riscv/cpu.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index b698f4adbb..c6b207d201 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -496,11 +496,19 @@ static void riscv_cpu_init(Object *obj) cpu_set_cpustate_pointers(cpu); } +static int cpu_post_load(void *opaque, int version_id) +{ + RISCVCPU *cpu = opaque; + cpu->env.kvm_timer_dirty = true; + return 0; +} + #ifndef CONFIG_USER_ONLY static const VMStateDescription vmstate_riscv_cpu = { .name = "cpu", .version_id = 1, .minimum_version_id = 1, + .post_load = cpu_post_load, .fields = (VMStateField[]) { VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32), VMSTATE_UINT64_ARRAY(env.fpr, RISCVCPU, 32), @@ -514,6 +522,9 @@ static const VMStateDescription vmstate_riscv_cpu = { VMSTATE_UINTTL(env.sbadaddr, RISCVCPU), VMSTATE_UINTTL(env.mip, RISCVCPU), VMSTATE_UINTTL(env.satp, RISCVCPU), + VMSTATE_UINT64(env.kvm_timer_time, RISCVCPU), + VMSTATE_UINT64(env.kvm_timer_compare, RISCVCPU), + VMSTATE_UINT64(env.kvm_timer_state, RISCVCPU), VMSTATE_END_OF_LIST() } };