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Re: [Qemu-devel] [PATCH v4 3/3] target/ppc: Enable reporting of SPRs to


From: Alexey Kardashevskiy
Subject: Re: [Qemu-devel] [PATCH v4 3/3] target/ppc: Enable reporting of SPRs to GDB
Date: Thu, 24 Jan 2019 18:23:33 +1100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0


On 23/01/2019 04:01, Fabiano Rosas wrote:
> This allows reading and writing of SPRs via GDB:
> 
> (gdb) p/x $srr1
> $1 = 0x8000000002803033
> 
> (gdb) p/x $pvr
> $2 = 0x4b0201
> (gdb) set $pvr=0x4b0000
> (gdb) p/x $pvr
> $3 = 0x4b0000
> 
> They can also be shown as a group:
> (gdb) info reg spr


This does not make much sense as 3 patches, one would do it; otherwise
if there is a problem with 1/3 or 2/3 - bisect will point to 3/3
although it does not actually add new code but enables other bits.


> 
> Signed-off-by: Fabiano Rosas <address@hidden>
> ---
>  target/ppc/translate_init.inc.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
> index f29ac3558a..cba0303be2 100644
> --- a/target/ppc/translate_init.inc.c
> +++ b/target/ppc/translate_init.inc.c
> @@ -10531,7 +10531,9 @@ static void ppc_cpu_class_init(ObjectClass *oc, void 
> *data)
>  #endif
>  
>      cc->gdb_num_core_regs = 71;
> -
> +#ifndef CONFIG_USER_ONLY
> +    cc->gdb_get_dynamic_xml = ppc_gdb_get_dynamic_xml;
> +#endif
>  #ifdef USE_APPLE_GDB
>      cc->gdb_read_register = ppc_cpu_gdb_read_register_apple;
>      cc->gdb_write_register = ppc_cpu_gdb_write_register_apple;
> 

-- 
Alexey



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