Re: [PATCH for-8.1 v3 04/26] target/riscv: add PRIV_VERSION_LATEST

[LIU Zhiwei]

On 2023/3/19 4:04, Daniel Henrique Barboza wrote:
> All these generic CPUs are using the latest priv available, at this
> moment PRIV_VERSION_1_12_0:
>
> - riscv_any_cpu_init()
> - rv32_base_cpu_init()
> - rv64_base_cpu_init()
> - rv128_base_cpu_init()
>
> Create a new PRIV_VERSION_LATEST enum and use it in those cases. I'll
> make it easier to update everything at once when a new priv version is
> available.
>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
> ---
>   target/riscv/cpu.c | 8 ++++----
>   target/riscv/cpu.h | 2 ++
>   2 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 18032dfd4e..1ee322001b 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -338,7 +338,7 @@ static void riscv_any_cpu_init(Object *obj)
>                                       VM_1_10_SV32 : VM_1_10_SV57);
>   #endif
>   
> -    env->priv_ver = PRIV_VERSION_1_12_0;
> +    env->priv_ver = PRIV_VERSION_LATEST;
>       register_cpu_props(obj);
>   }
>   
> @@ -350,7 +350,7 @@ static void rv64_base_cpu_init(Object *obj)
>       set_misa(env, MXL_RV64, 0);
>       register_cpu_props(obj);
>       /* Set latest version of privileged specification */
> -    env->priv_ver = PRIV_VERSION_1_12_0;
> +    env->priv_ver = PRIV_VERSION_LATEST;
>   #ifndef CONFIG_USER_ONLY
>       set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV57);
>   #endif
> @@ -426,7 +426,7 @@ static void rv128_base_cpu_init(Object *obj)
>       set_misa(env, MXL_RV128, 0);
>       register_cpu_props(obj);
>       /* Set latest version of privileged specification */
> -    env->priv_ver = PRIV_VERSION_1_12_0;
> +    env->priv_ver = PRIV_VERSION_LATEST;
>   #ifndef CONFIG_USER_ONLY
>       set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV57);
>   #endif
> @@ -439,7 +439,7 @@ static void rv32_base_cpu_init(Object *obj)
>       set_misa(env, MXL_RV32, 0);
>       register_cpu_props(obj);
>       /* Set latest version of privileged specification */
> -    env->priv_ver = PRIV_VERSION_1_12_0;
> +    env->priv_ver = PRIV_VERSION_LATEST;
>   #ifndef CONFIG_USER_ONLY
>       set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV32);
>   #endif
> diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
> index 638e47c75a..76f81c6b68 100644
> --- a/target/riscv/cpu.h
> +++ b/target/riscv/cpu.h
> @@ -88,6 +88,8 @@ enum {
>       PRIV_VERSION_1_10_0 = 0,
>       PRIV_VERSION_1_11_0,
>       PRIV_VERSION_1_12_0,
> +
> +    PRIV_VERSION_LATEST = PRIV_VERSION_1_12_0,
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>

Zhiwei
>   };
>   
>   #define VEXT_VERSION_1_00_0 0x00010000