Re: [Qemu-devel] [PATCH] ppc64: set MSR_SF bit

[Laurent Vivier <lvivier@redhat.com>]

On 16/03/2016 10:48, Alexander Graf wrote:
> 
> 
> On 16.03.16 10:43, Laurent Vivier wrote:
>> When a qemu-system-ppc64 is started, the 64-bit mode bit
>> is not set in MSR.
>>
>> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> 
> I guess commit 2cf3eb6df552cee74b52de9989e270b74e42847e broke this. I'm
> surprised it didn't cause us more problems :).

Linux kernel is ready to manage that: see enable_64b_mode in
arch/powerpc/kernel/head_64.S

> Reviewed-by: Alexander Graf <agraf@suse.de>

Thanks,
Laurent

>> ---
>>  target-ppc/translate_init.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
>> index bd0cffc..d7a1aeb 100644
>> --- a/target-ppc/translate_init.c
>> +++ b/target-ppc/translate_init.c
>> @@ -9663,7 +9663,7 @@ static void ppc_cpu_reset(CPUState *s)
>>  
>>  #if defined(TARGET_PPC64)
>>      if (env->mmu_model & POWERPC_MMU_64) {
>> -        env->msr |= (1ULL << MSR_SF);
>> +        msr |= (1ULL << MSR_SF);
>>      }
>>  #endif
>>  
>>