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target/riscv: Add a sifive-e34 cpu type 

The sifive-e34 cpu type is the same as the sifive-e31 with the
single precision floating-point extension enabled.

Signed-off-by: Corey Wharton <coreyw7@fb.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20200313193429.8035-3-coreyw7@fb.com
Message-Id: <20200313193429.8035-3-coreyw7@fb.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
master
Corey Wharton 2020-03-13 12:34:29 -07:00 committed by Alistair Francis
parent 74dbba9b73
commit d784733bf1
2 changed files with 11 additions and 0 deletions
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10
target/riscv/cpu.c
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@ -164,6 +164,15 @@ static void rv32imacu_nommu_cpu_init(Object *obj)
set_feature(env, RISCV_FEATURE_PMP);
}
static void rv32imafcu_nommu_cpu_init(Object *obj)
{
CPURISCVState *env = &RISCV_CPU(obj)->env;
set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVC | RVU);
set_priv_version(env, PRIV_VERSION_1_10_0);
set_resetvec(env, DEFAULT_RSTVEC);
set_feature(env, RISCV_FEATURE_PMP);
}
#elif defined(TARGET_RISCV64)
static void riscv_base64_cpu_init(Object *obj)
@ -610,6 +619,7 @@ static const TypeInfo riscv_cpu_type_infos[] = {
#if defined(TARGET_RISCV32)
DEFINE_CPU(TYPE_RISCV_CPU_BASE32, riscv_base32_cpu_init),
DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31, rv32imacu_nommu_cpu_init),
DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E34, rv32imafcu_nommu_cpu_init),
DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34, rv32gcsu_priv1_10_0_cpu_init),
/* Depreacted */
DEFINE_CPU(TYPE_RISCV_CPU_RV32IMACU_NOMMU, rv32imacu_nommu_cpu_init),

1
target/riscv/cpu.h
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@ -36,6 +36,7 @@
#define TYPE_RISCV_CPU_BASE32 RISCV_CPU_TYPE_NAME("rv32")
#define TYPE_RISCV_CPU_BASE64 RISCV_CPU_TYPE_NAME("rv64")
#define TYPE_RISCV_CPU_SIFIVE_E31 RISCV_CPU_TYPE_NAME("sifive-e31")
#define TYPE_RISCV_CPU_SIFIVE_E34 RISCV_CPU_TYPE_NAME("sifive-e34")
#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")