From nobody Mon Feb 9 17:35:24 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 ARC-Seal: i=1; a=rsa-sha256; t=1607000193; cv=none; d=zohomail.com; s=zohoarc; b=C6A58K6OzCGia/OIb/qsUpB9I1zi/bXa/43MkJyJB7eTIgHKMRnub4LCDmU1OPQzQDeLLahSKR+27Yb3+oiGGVWxhX8emvd3ZPB9Tj3Beh5wBve0egXG9Jn8rgH53zL93fPy36qCKqSlOrNjKrTGV/blr4tvz3C/wicdi2HT0mg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1607000193; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=MQFaS39pUFqZMpUOpHTR16jblfI1RjhEd097V1ONciw=; b=nhf+AaeDxGFMp049mPXdrvEj12CqkOsSxjJsSRPm/Nq3x3yC6tbhBQwZ/dCK9JdlVEhJ+617MM3JjO4tnQZexlQgPK+CdX56/7Wv8T/SWwzZlgl+PM/I4T89TdZN92W/OemXMya5e1JL13DypSPjz6lv4GTO1rYw5b/e24wGXeQ= ARC-Authentication-Results: i=1; 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 1607000193838540.7508268507851; Thu, 3 Dec 2020 04:56:33 -0800 (PST) Received: from localhost ([::1]:46220 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kko9w-0000P1-PW for importer@patchew.org; Thu, 03 Dec 2020 07:56:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45138) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kko1Q-0004A2-0D; Thu, 03 Dec 2020 07:47:44 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:2545) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kko1M-0006pq-M8; Thu, 03 Dec 2020 07:47:43 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CmwZx6xVHzhl6C; Thu, 3 Dec 2020 20:47:05 +0800 (CST) Received: from huawei.com (10.174.186.236) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.487.0; Thu, 3 Dec 2020 20:47:18 +0800 From: Yifei Jiang To: , Subject: [PATCH RFC v4 03/15] target/riscv: Implement function kvm_arch_init_vcpu Date: Thu, 3 Dec 2020 20:46:51 +0800 Message-ID: <20201203124703.168-4-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201203124703.168-1-jiangyifei@huawei.com> References: <20201203124703.168-1-jiangyifei@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.186.236] X-CFilter-Loop: Reflected 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=45.249.212.32; envelope-from=jiangyifei@huawei.com; helo=szxga06-in.huawei.com 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_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: 2.1.23 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Get isa info from kvm while kvm init. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin --- target/riscv/kvm.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c index 8c386d9acf..86660ba81b 100644 --- a/target/riscv/kvm.c +++ b/target/riscv/kvm.c @@ -38,6 +38,18 @@ #include "qemu/log.h" #include "hw/loader.h" =20 +static __u64 kvm_riscv_reg_id(__u64 type, __u64 idx) +{ + __u64 id =3D KVM_REG_RISCV | type | idx; + +#if defined(TARGET_RISCV32) + id |=3D KVM_REG_SIZE_U32; +#elif defined(TARGET_RISCV64) + id |=3D KVM_REG_SIZE_U64; +#endif + return id; +} + const KVMCapabilityInfo kvm_arch_required_capabilities[] =3D { KVM_CAP_LAST_INFO }; @@ -79,7 +91,20 @@ void kvm_arch_init_irq_routing(KVMState *s) =20 int kvm_arch_init_vcpu(CPUState *cs) { - return 0; + int ret =3D 0; + target_ulong isa; + RISCVCPU *cpu =3D RISCV_CPU(cs); + CPURISCVState *env =3D &cpu->env; + __u64 id; + + id =3D kvm_riscv_reg_id(KVM_REG_RISCV_CONFIG, KVM_REG_RISCV_CONFIG_REG= (isa)); + ret =3D kvm_get_one_reg(cs, id, &isa); + if (ret) { + return ret; + } + env->misa =3D isa; + + return ret; } =20 int kvm_arch_msi_data_to_gsi(uint32_t data) --=20 2.19.1