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target/riscv: Add host cpu type

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'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 <jiangyifei@huawei.com>
Signed-off-by: Mingwang Li <limingwang@huawei.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Message-id: 20220112081329.1835-10-jiangyifei@huawei.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Yifei Jiang 2022-01-12 16:13:25 +08:00 committed by Alistair Francis
parent 4eb471258b
commit 10f1ca27e0
2 changed files with 16 additions and 0 deletions
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15
target/riscv/cpu.c
View File

@ -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),

1
target/riscv/cpu.h
View File

@ -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