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Re: [Qemu-devel] [PATCH] target-ppc: ppce500_spin.c uses SPR_PIR, should


From: Thomas Huth
Subject: Re: [Qemu-devel] [PATCH] target-ppc: ppce500_spin.c uses SPR_PIR, should use SPR_BOOKE_PIR
Date: Sat, 25 Jun 2016 09:55:13 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0

On 24.06.2016 04:27, David Gibson wrote:
> On Thu, Jun 23, 2016 at 03:35:17PM -0700, Aaron Larson wrote:
>>
>> ppce500_spin.c uses SPR_PIR to initialize the spin table, however on
>> Book E processors the correct SPR is SPR_BOOKE_PIR.
>>
>> Signed-off-by: Aaron Larson <address@hidden>
> 
> Applied to ppc-for-2.7, thanks.
> 
> IIRC this leaves a redundant bit in spin_init, but that can be cleaned
> up later.

It's in spin_reset() ... and I'm not sure whether this value is needed
between reset and kick time, so maybe it's safer to just keep that line
in spin_reset()?

>> ---
>>  hw/ppc/ppce500_spin.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/hw/ppc/ppce500_spin.c b/hw/ppc/ppce500_spin.c
>> index 76bd78b..225177b 100644
>> --- a/hw/ppc/ppce500_spin.c
>> +++ b/hw/ppc/ppce500_spin.c
>> @@ -104,7 +104,7 @@ static void spin_kick(void *data)
>>      hwaddr map_start;
>>  
>>      cpu_synchronize_state(cpu);
>> -    stl_p(&curspin->pir, env->spr[SPR_PIR]);
>> +    stl_p(&curspin->pir, env->spr[SPR_BOOKE_PIR]);
>>      env->nip = ldq_p(&curspin->addr) & (map_size - 1);
>>      env->gpr[3] = ldq_p(&curspin->r3);
>>      env->gpr[4] = 0;
> 


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