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Re: [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an


From: Greg Kurz
Subject: Re: [PATCH v2 6/8] target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector
Date: Mon, 16 Mar 2020 19:04:20 +0100

On Tue, 17 Mar 2020 00:26:11 +1000
Nicholas Piggin <address@hidden> wrote:

> Provide for an alternate delivery location, -1 defaults to the
> architected address.
> 
> Signed-off-by: Nicholas Piggin <address@hidden>
> ---

Reviewed-by: Greg Kurz <address@hidden>

>  hw/ppc/spapr.c           | 2 +-
>  target/ppc/cpu.h         | 2 +-
>  target/ppc/excp_helper.c | 5 ++++-
>  3 files changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 5f93c49706..25221d843c 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -3400,7 +3400,7 @@ static void spapr_machine_finalizefn(Object *obj)
>  void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg)
>  {
>      cpu_synchronize_state(cs);
> -    ppc_cpu_do_system_reset(cs);
> +    ppc_cpu_do_system_reset(cs, -1);
>  }
>  
>  static void spapr_nmi(NMIState *n, int cpu_index, Error **errp)
> diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
> index 3953680534..f8c7d6f19c 100644
> --- a/target/ppc/cpu.h
> +++ b/target/ppc/cpu.h
> @@ -1220,7 +1220,7 @@ int ppc64_cpu_write_elf64_note(WriteCoreDumpFunction f, 
> CPUState *cs,
>  int ppc32_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
>                                 int cpuid, void *opaque);
>  #ifndef CONFIG_USER_ONLY
> -void ppc_cpu_do_system_reset(CPUState *cs);
> +void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector);
>  void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector);
>  extern const VMStateDescription vmstate_ppc_cpu;
>  #endif
> diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
> index 7f2b5899d3..08bc885ca6 100644
> --- a/target/ppc/excp_helper.c
> +++ b/target/ppc/excp_helper.c
> @@ -961,12 +961,15 @@ static void ppc_hw_interrupt(CPUPPCState *env)
>      }
>  }
>  
> -void ppc_cpu_do_system_reset(CPUState *cs)
> +void ppc_cpu_do_system_reset(CPUState *cs, target_ulong vector)
>  {
>      PowerPCCPU *cpu = POWERPC_CPU(cs);
>      CPUPPCState *env = &cpu->env;
>  
>      powerpc_excp(cpu, env->excp_model, POWERPC_EXCP_RESET);
> +    if (vector != -1) {
> +        env->nip = vector;
> +    }
>  }
>  
>  void ppc_cpu_do_fwnmi_machine_check(CPUState *cs, target_ulong vector)




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