From patchwork Wed Jan 12 08:13:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yifei Jiang X-Patchwork-Id: 12710994 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B810BC433F5 for ; Wed, 12 Jan 2022 08:13:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351483AbiALINz (ORCPT ); Wed, 12 Jan 2022 03:13:55 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:30271 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351470AbiALINy (ORCPT ); Wed, 12 Jan 2022 03:13:54 -0500 Received: from kwepemi100004.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4JYgL121KQzbjf8; Wed, 12 Jan 2022 16:13:13 +0800 (CST) Received: from kwepemm600017.china.huawei.com (7.193.23.234) by kwepemi100004.china.huawei.com (7.221.188.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 12 Jan 2022 16:13:52 +0800 Received: from huawei.com (10.174.186.236) by kwepemm600017.china.huawei.com (7.193.23.234) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 12 Jan 2022 16:13:51 +0800 From: Yifei Jiang To: , CC: , , , , , , , , , , , Yifei Jiang , Mingwang Li , Alistair Francis , Anup Patel Subject: [PATCH v5 09/13] target/riscv: Add host cpu type Date: Wed, 12 Jan 2022 16:13:25 +0800 Message-ID: <20220112081329.1835-10-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20220112081329.1835-1-jiangyifei@huawei.com> References: <20220112081329.1835-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.236] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemm600017.china.huawei.com (7.193.23.234) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 'host' type cpu is set isa to RV32 or RV64 simply, more isa info will obtain from KVM in kvm_arch_init_vcpu() Signed-off-by: Yifei Jiang Signed-off-by: Mingwang Li Reviewed-by: Alistair Francis Reviewed-by: Anup Patel --- target/riscv/cpu.c | 15 +++++++++++++++ target/riscv/cpu.h | 1 + 2 files changed, 16 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 53b0524830..32879f1403 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -235,6 +235,18 @@ static void rv32_imafcu_nommu_cpu_init(Object *obj) } #endif +#if defined(CONFIG_KVM) +static void riscv_host_cpu_init(Object *obj) +{ + CPURISCVState *env = &RISCV_CPU(obj)->env; +#if defined(TARGET_RISCV32) + set_misa(env, MXL_RV32, 0); +#elif defined(TARGET_RISCV64) + set_misa(env, MXL_RV64, 0); +#endif +} +#endif + static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model) { ObjectClass *oc; @@ -847,6 +859,9 @@ static const TypeInfo riscv_cpu_type_infos[] = { .class_init = riscv_cpu_class_init, }, DEFINE_CPU(TYPE_RISCV_CPU_ANY, riscv_any_cpu_init), +#if defined(CONFIG_KVM) + DEFINE_CPU(TYPE_RISCV_CPU_HOST, riscv_host_cpu_init), +#endif #if defined(TARGET_RISCV32) DEFINE_CPU(TYPE_RISCV_CPU_BASE32, rv32_base_cpu_init), DEFINE_CPU(TYPE_RISCV_CPU_IBEX, rv32_ibex_cpu_init), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 8fa6fdcd77..73ced2116b 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -47,6 +47,7 @@ #define TYPE_RISCV_CPU_SIFIVE_E51 RISCV_CPU_TYPE_NAME("sifive-e51") #define TYPE_RISCV_CPU_SIFIVE_U34 RISCV_CPU_TYPE_NAME("sifive-u34") #define TYPE_RISCV_CPU_SIFIVE_U54 RISCV_CPU_TYPE_NAME("sifive-u54") +#define TYPE_RISCV_CPU_HOST RISCV_CPU_TYPE_NAME("host") #if defined(TARGET_RISCV32) # define TYPE_RISCV_CPU_BASE TYPE_RISCV_CPU_BASE32