Re: [PATCH 05/24] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs

[Kyle Evans]

On Tue, Oct 19, 2021 at 11:45 AM Warner Losh <imp@bsdimp.com> wrote:
>
> Implement target_cpu_clone_regs to clone the resister state on a fork.
>
> Signed-off-by: Stacey Son <sson@FreeBSD.org>
> Signed-off-by: Warner Losh <imp@bsdimp.com>
> ---
>  bsd-user/arm/target_arch_cpu.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
> index 0f3538196d..c71ec000b3 100644
> --- a/bsd-user/arm/target_arch_cpu.h
> +++ b/bsd-user/arm/target_arch_cpu.h
> @@ -35,6 +35,14 @@ static inline void target_cpu_init(CPUARMState *env,
>      }
>  }
>
> +static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong 
> newsp)
> +{
> +    if (newsp) {
> +        env->regs[13] = newsp;
> +    }
> +    env->regs[0] = 0;
> +}
> +
>  static inline void target_cpu_reset(CPUArchState *cpu)
>  {
>  }
> --
> 2.32.0
>

Reviewed-by: Kyle Evans <kevans@FreeBSD.org>