From 114baaca513d866763ef306a65fcbba1b0c0161f Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Wed, 16 Dec 2020 10:22:54 -0800 Subject: [PATCH] target/riscv: Specify the XLEN for CPUs Signed-off-by: Alistair Francis Reviewed-by: Bin Meng Tested-by: Bin Meng Reviewed-by: Richard Henderson Reviewed-by: Palmer Dabbelt Acked-by: Palmer Dabbelt Message-id: c1da66affbb83ec4a2fbeb0194293bd24d65f5dc.1608142916.git.alistair.francis@wdc.com --- target/riscv/cpu.c | 33 +++++++++++++++++++++++---------- 1 file changed, 23 insertions(+), 10 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 32a6916b8a..7d6f032122 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -158,22 +158,36 @@ static void riscv_base_cpu_init(Object *obj) set_misa(env, 0); } -static void rvxx_sifive_u_cpu_init(Object *obj) +#ifdef TARGET_RISCV64 +static void rv64_sifive_u_cpu_init(Object *obj) { CPURISCVState *env = &RISCV_CPU(obj)->env; - set_misa(env, RVXLEN | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU); + set_misa(env, RV64 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU); set_priv_version(env, PRIV_VERSION_1_10_0); } -static void rvxx_sifive_e_cpu_init(Object *obj) +static void rv64_sifive_e_cpu_init(Object *obj) { CPURISCVState *env = &RISCV_CPU(obj)->env; - set_misa(env, RVXLEN | RVI | RVM | RVA | RVC | RVU); + set_misa(env, RV64 | RVI | RVM | RVA | RVC | RVU); set_priv_version(env, PRIV_VERSION_1_10_0); qdev_prop_set_bit(DEVICE(obj), "mmu", false); } +#else +static void rv32_sifive_u_cpu_init(Object *obj) +{ + CPURISCVState *env = &RISCV_CPU(obj)->env; + set_misa(env, RV32 | RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU); + set_priv_version(env, PRIV_VERSION_1_10_0); +} -#if defined(TARGET_RISCV32) +static void rv32_sifive_e_cpu_init(Object *obj) +{ + CPURISCVState *env = &RISCV_CPU(obj)->env; + set_misa(env, RV32 | RVI | RVM | RVA | RVC | RVU); + set_priv_version(env, PRIV_VERSION_1_10_0); + qdev_prop_set_bit(DEVICE(obj), "mmu", false); +} static void rv32_ibex_cpu_init(Object *obj) { @@ -191,7 +205,6 @@ static void rv32_imafcu_nommu_cpu_init(Object *obj) set_resetvec(env, DEFAULT_RSTVEC); qdev_prop_set_bit(DEVICE(obj), "mmu", false); } - #endif static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model) @@ -643,13 +656,13 @@ static const TypeInfo riscv_cpu_type_infos[] = { #if defined(TARGET_RISCV32) DEFINE_CPU(TYPE_RISCV_CPU_BASE32, riscv_base_cpu_init), DEFINE_CPU(TYPE_RISCV_CPU_IBEX, rv32_ibex_cpu_init), - DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31, rvxx_sifive_e_cpu_init), + DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E31, rv32_sifive_e_cpu_init), DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E34, rv32_imafcu_nommu_cpu_init), - DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34, rvxx_sifive_u_cpu_init), + DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U34, rv32_sifive_u_cpu_init), #elif defined(TARGET_RISCV64) DEFINE_CPU(TYPE_RISCV_CPU_BASE64, riscv_base_cpu_init), - DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E51, rvxx_sifive_e_cpu_init), - DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54, rvxx_sifive_u_cpu_init), + DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_E51, rv64_sifive_e_cpu_init), + DEFINE_CPU(TYPE_RISCV_CPU_SIFIVE_U54, rv64_sifive_u_cpu_init), #endif };