[v6] per-CPU locks

[Qemu-devel] [PATCH v6 08/73] tcg-runtime: define helper_cpu_halted_set

Posted by Emilio G. Cota 6 years, 9 months ago

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
---
 accel/tcg/tcg-runtime.h | 2 ++
 accel/tcg/tcg-runtime.c | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/accel/tcg/tcg-runtime.h b/accel/tcg/tcg-runtime.h
index dfe325625c..46386bb564 100644
--- a/accel/tcg/tcg-runtime.h
+++ b/accel/tcg/tcg-runtime.h
@@ -28,6 +28,8 @@ DEF_HELPER_FLAGS_1(lookup_tb_ptr, TCG_CALL_NO_WG_SE, ptr, env)
 
 DEF_HELPER_FLAGS_1(exit_atomic, TCG_CALL_NO_WG, noreturn, env)
 
+DEF_HELPER_FLAGS_2(cpu_halted_set, TCG_CALL_NO_RWG, void, env, i32)
+
 #ifdef CONFIG_SOFTMMU
 
 DEF_HELPER_FLAGS_5(atomic_cmpxchgb, TCG_CALL_NO_WG,
diff --git a/accel/tcg/tcg-runtime.c b/accel/tcg/tcg-runtime.c
index d0d4484406..4aa038465f 100644
--- a/accel/tcg/tcg-runtime.c
+++ b/accel/tcg/tcg-runtime.c
@@ -167,3 +167,10 @@ void HELPER(exit_atomic)(CPUArchState *env)
 {
     cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC());
 }
+
+void HELPER(cpu_halted_set)(CPUArchState *env, uint32_t val)
+{
+    CPUState *cpu = ENV_GET_CPU(env);
+
+    cpu->halted = val;
+}
-- 
2.17.1

Re: [Qemu-devel] [PATCH v6 08/73] tcg-runtime: define helper_cpu_halted_set

Posted by Alex Bennée 6 years, 9 months ago

Emilio G. Cota <cota@braap.org> writes:

> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Emilio G. Cota <cota@braap.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  accel/tcg/tcg-runtime.h | 2 ++
>  accel/tcg/tcg-runtime.c | 7 +++++++
>  2 files changed, 9 insertions(+)
>
> diff --git a/accel/tcg/tcg-runtime.h b/accel/tcg/tcg-runtime.h
> index dfe325625c..46386bb564 100644
> --- a/accel/tcg/tcg-runtime.h
> +++ b/accel/tcg/tcg-runtime.h
> @@ -28,6 +28,8 @@ DEF_HELPER_FLAGS_1(lookup_tb_ptr, TCG_CALL_NO_WG_SE, ptr, env)
>
>  DEF_HELPER_FLAGS_1(exit_atomic, TCG_CALL_NO_WG, noreturn, env)
>
> +DEF_HELPER_FLAGS_2(cpu_halted_set, TCG_CALL_NO_RWG, void, env, i32)
> +
>  #ifdef CONFIG_SOFTMMU
>
>  DEF_HELPER_FLAGS_5(atomic_cmpxchgb, TCG_CALL_NO_WG,
> diff --git a/accel/tcg/tcg-runtime.c b/accel/tcg/tcg-runtime.c
> index d0d4484406..4aa038465f 100644
> --- a/accel/tcg/tcg-runtime.c
> +++ b/accel/tcg/tcg-runtime.c
> @@ -167,3 +167,10 @@ void HELPER(exit_atomic)(CPUArchState *env)
>  {
>      cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC());
>  }
> +
> +void HELPER(cpu_halted_set)(CPUArchState *env, uint32_t val)
> +{
> +    CPUState *cpu = ENV_GET_CPU(env);
> +
> +    cpu->halted = val;
> +}


--
Alex Bennée