From patchwork Fri Oct 23 09:12:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yifei Jiang X-Patchwork-Id: 11852597 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 8A6AA14B7 for ; Fri, 23 Oct 2020 09:19:33 +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 40DB52192A for ; Fri, 23 Oct 2020 09:19:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 40DB52192A 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]:57500 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVtER-0003x1-TJ for patchwork-qemu-devel@patchwork.kernel.org; Fri, 23 Oct 2020 05:19:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54464) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVt89-0004cR-CK; Fri, 23 Oct 2020 05:13:01 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:46606 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 1kVt86-0004mP-SW; Fri, 23 Oct 2020 05:13:01 -0400 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 53652F5524677535EE1F; Fri, 23 Oct 2020 17:12:56 +0800 (CST) Received: from huawei.com (10.174.186.209) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.487.0; Fri, 23 Oct 2020 17:12:45 +0800 From: Yifei Jiang To: , Subject: [PATCH V3 5/6] target/riscv: Add V extension state description Date: Fri, 23 Oct 2020 17:12:24 +0800 Message-ID: <20201023091225.224-6-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201023091225.224-1-jiangyifei@huawei.com> References: <20201023091225.224-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.209] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.35; envelope-from=jiangyifei@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/23 05:12:47 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: zhang.zhanghailiang@huawei.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, victor.zhangxiaofeng@huawei.com, richard.henderson@linaro.org, Yifei Jiang , Alistair.Francis@wdc.com, yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" In the case of supporting V extension, add V extension description to vmstate_riscv_cpu. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/machine.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index ae60050898..44d4015bd6 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -76,6 +76,30 @@ static bool hyper_needed(void *opaque) return riscv_has_ext(env, RVH); } +static bool vector_needed(void *opaque) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + + return riscv_has_ext(env, RVV); +} + +static const VMStateDescription vmstate_vector = { + .name = "cpu/vector", + .version_id = 1, + .minimum_version_id = 1, + .needed = vector_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64_ARRAY(env.vreg, RISCVCPU, 32 * RV_VLEN_MAX / 64), + VMSTATE_UINTTL(env.vxrm, RISCVCPU), + VMSTATE_UINTTL(env.vxsat, RISCVCPU), + VMSTATE_UINTTL(env.vl, RISCVCPU), + VMSTATE_UINTTL(env.vstart, RISCVCPU), + VMSTATE_UINTTL(env.vtype, RISCVCPU), + VMSTATE_END_OF_LIST() + } +}; + static const VMStateDescription vmstate_hyper = { .name = "cpu/hyper", .version_id = 1, @@ -166,6 +190,7 @@ const VMStateDescription vmstate_riscv_cpu = { .subsections = (const VMStateDescription * []) { &vmstate_pmp, &vmstate_hyper, + &vmstate_vector, NULL } };