From nobody Mon Feb 9 16:02:50 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; dmarc=fail(p=none dis=none) header.from=huawei.com ARC-Seal: i=1; a=rsa-sha256; t=1618210490; cv=none; d=zohomail.com; s=zohoarc; b=Rn1c0gvZboKXtgWzUJqe59X5LvEKjHba6zo5EM+C+Y9c4NO9xMfPa3ScV/kdrzvbpliFUCrD5aK5bg1Oqv2PldNCuWQ3hfzw1031xVlzvyhzmUMpWeVCToRG6uI3qHNcDkgPkt62NfB+V59LNzNMq0wxT7VmRrRB2fkwfrM7TL4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1618210490; 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=U0Ko3fp6OpRrU2GTbeiH0LAsbmakBZzX0W991BO20Qk=; b=F59zvZ3tWEPr2da+cPtzsahZ9vHUDv77ivDpUeIlRxAWEdQmSYjRdYwo2s35DIVnPEYqNA8CaUr/V26tRkMzH9bTF0Bx+zGrESumGhWaMLEeNaO0ZJaWBWsk9llk1jgSaAMip8l9IX4FQSi1YjOLQaQAI214I7nZi0LlYSOKHYU= 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; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1618210490456519.9178872702163; Sun, 11 Apr 2021 23:54:50 -0700 (PDT) Received: from localhost ([::1]:48822 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lVqTA-0000r0-VU for importer@patchew.org; Mon, 12 Apr 2021 02:54:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lVqS4-0007f1-EG; Mon, 12 Apr 2021 02:53:40 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:4454) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lVqS1-0004TD-Kl; Mon, 12 Apr 2021 02:53:39 -0400 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FJfWg6X9nzPqW5; Mon, 12 Apr 2021 14:50:39 +0800 (CST) Received: from huawei.com (10.174.186.236) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.498.0; Mon, 12 Apr 2021 14:53:23 +0800 From: Yifei Jiang To: , Subject: [PATCH RFC v5 03/12] target/riscv: Implement function kvm_arch_init_vcpu Date: Mon, 12 Apr 2021 14:52:37 +0800 Message-ID: <20210412065246.1853-4-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20210412065246.1853-1-jiangyifei@huawei.com> References: <20210412065246.1853-1-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=45.249.212.191; envelope-from=jiangyifei@huawei.com; helo=szxga05-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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: bin.meng@windriver.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, fanliang@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 Reviewed-by: Alistair Francis --- 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 687dd4b621..0d924be33f 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(CPURISCVState *env, __u64 type, __u64 idx) +{ + __u64 id =3D KVM_REG_RISCV | type | idx; + + if (riscv_cpu_is_32bit(env)) { + id |=3D KVM_REG_SIZE_U32; + } else { + id |=3D KVM_REG_SIZE_U64; + } + 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(env, KVM_REG_RISCV_CONFIG, KVM_REG_RISCV_CONFI= G_REG(isa)); + ret =3D kvm_get_one_reg(cs, id, &isa); + if (ret) { + return ret; + } + env->misa =3D isa | RVXLEN; + + return ret; } =20 int kvm_arch_msi_data_to_gsi(uint32_t data) --=20 2.19.1