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Re: [PATCH 06/24] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop
From: |
Kyle Evans |
Subject: |
Re: [PATCH 06/24] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation |
Date: |
Sat, 23 Oct 2021 02:32:55 -0500 |
On Tue, Oct 19, 2021 at 11:45 AM Warner Losh <imp@bsdimp.com> wrote:
>
> Add a boiler plate CPU loop that does nothing except return an error for
> all traps.
>
> Signed-off-by: Sean Bruno <sbruno@FreeBSD.org>
> Signed-off-by: Stacey Son <sson@FreeBSD.org>
> Signed-off-by: Warner Losh <imp@bsdimp.com>
> ---
> bsd-user/arm/target_arch_cpu.h | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
> index c71ec000b3..94c9109c3f 100644
> --- a/bsd-user/arm/target_arch_cpu.h
> +++ b/bsd-user/arm/target_arch_cpu.h
> @@ -35,6 +35,28 @@ static inline void target_cpu_init(CPUARMState *env,
> }
> }
>
> +static inline void target_cpu_loop(CPUARMState *env)
> +{
> + int trapnr;
> + target_siginfo_t info;
> + CPUState *cs = env_cpu(env);
> +
> + for (;;) {
> + cpu_exec_start(cs);
> + trapnr = cpu_exec(cs);
> + cpu_exec_end(cs);
> + process_queued_cpu_work(cs);
> + switch (trapnr) {
> + default:
> + fprintf(stderr, "qemu: unhandled CPU exception 0x%x -
> aborting\n",
> + trapnr);
> + cpu_dump_state(cs, stderr, 0);
> + abort();
> + } /* switch() */
> + process_pending_signals(env);
> + } /* for (;;) */
> +}
> +
> static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong
> newsp)
> {
> if (newsp) {
> --
> 2.32.0
>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
- [PATCH 03/24] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines, (continued)
- [PATCH 03/24] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines, Warner Losh, 2021/10/19
- [PATCH 04/24] bsd-user/arm/target_arch_cpu.h: CPU Loop definitions, 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 06/24] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation, 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 01/24] bsd-user/arm/target_arch_sysarch.h: Use consistent include guards, Warner Losh, 2021/10/19
- [PATCH 08/24] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions, Warner Losh, 2021/10/19