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Re: [PATCH 05/24] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_c
From: |
Kyle Evans |
Subject: |
Re: [PATCH 05/24] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs |
Date: |
Sat, 23 Oct 2021 02:31:48 -0500 |
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>
- Re: [PATCH 03/24] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines, (continued)
- [PATCH 04/24] bsd-user/arm/target_arch_cpu.h: CPU Loop definitions, Warner Losh, 2021/10/19
- [PATCH 01/24] bsd-user/arm/target_arch_sysarch.h: Use consistent include guards, Warner Losh, 2021/10/19
- [PATCH 05/24] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs, Warner Losh, 2021/10/19
- [PATCH 07/24] bsd-user/arm/target_arch_cpu.h: Implment trivial EXCP exceptions, Warner Losh, 2021/10/19
- [PATCH 08/24] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions, Warner Losh, 2021/10/19
- [PATCH 09/24] bsd-user/arm/target_arch_cpu.h: Implement system call dispatch, Warner Losh, 2021/10/19