Re: [Qemu-ppc] [PATCH] Fix PReP NIP reset value

[Alexander Graf]

On 04/30/2013 05:07 PM, Fabien Chouteau wrote:
> The value was changed by the "PPC: fix hreset_vector..." patch.
>
> Signed-off-by: Fabien Chouteau<address@hidden>
> ---
>   hw/ppc/prep.c |    3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
> index cceab3e..2d0c4fe 100644
> --- a/hw/ppc/prep.c
> +++ b/hw/ppc/prep.c
> @@ -427,6 +427,9 @@ static void ppc_prep_reset(void *opaque)
>       PowerPCCPU *cpu = opaque;
>
>       cpu_reset(CPU(cpu));
> +
> +    /* Reset address */
> +    cpu->env.nip = 0xfffffffc;

Why does PREP reset at this vector? Is it architected to that? Does 601 
reset to that offset?

As an interim fix, I think this patch is ok however.


Alex

>   }
>
>   /* PowerPC PREP hardware initialisation */