[v1] target/arm: Implement v8.1-Atomics

[Qemu-devel] [PATCH 9/9] target/arm: Enable ARM_FEATURE_V8_ATOMICS for user-only

Posted by Richard Henderson 7 years, 6 months ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/cpu64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 991d764674..c50dcd4077 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -248,6 +248,7 @@ static void aarch64_max_initfn(Object *obj)
         set_feature(&cpu->env, ARM_FEATURE_V8_SM4);
         set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
         set_feature(&cpu->env, ARM_FEATURE_CRC);
+        set_feature(&cpu->env, ARM_FEATURE_V8_ATOMICS);
         set_feature(&cpu->env, ARM_FEATURE_V8_RDM);
         set_feature(&cpu->env, ARM_FEATURE_V8_FP16);
         set_feature(&cpu->env, ARM_FEATURE_V8_FCMA);
-- 
2.14.3

Re: [Qemu-devel] [Qemu-arm] [PATCH 9/9] target/arm: Enable ARM_FEATURE_V8_ATOMICS for user-only

Posted by Peter Maydell 7 years, 5 months ago

On 27 April 2018 at 01:26, Richard Henderson
<richard.henderson@linaro.org> wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/arm/cpu64.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
> index 991d764674..c50dcd4077 100644
> --- a/target/arm/cpu64.c
> +++ b/target/arm/cpu64.c
> @@ -248,6 +248,7 @@ static void aarch64_max_initfn(Object *obj)
>          set_feature(&cpu->env, ARM_FEATURE_V8_SM4);
>          set_feature(&cpu->env, ARM_FEATURE_V8_PMULL);
>          set_feature(&cpu->env, ARM_FEATURE_CRC);
> +        set_feature(&cpu->env, ARM_FEATURE_V8_ATOMICS);
>          set_feature(&cpu->env, ARM_FEATURE_V8_RDM);
>          set_feature(&cpu->env, ARM_FEATURE_V8_FP16);
>          set_feature(&cpu->env, ARM_FEATURE_V8_FCMA);
> --

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM