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From: Thomas Huth <thuth@redhat.com>
To: David Gibson <david@gibson.dropbear.id.au>,
	Aaron Larson <alarson@ddci.com>
Cc: qemu-ppc@nongnu.org, agraf@suse.de, qemu-devel@nongnu.org
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	[thread overview]
Message-ID: <576E38E1.2060404@redhat.com> (raw)
In-Reply-To: <20160624022741.GA15625@voom.fritz.box>

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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 <alarson@ddci.com>
> 
> 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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  reply	other threads:[~2016-06-25  7:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-23 22:35 [Qemu-devel] [PATCH] target-ppc: ppce500_spin.c uses SPR_PIR, should use SPR_BOOKE_PIR Aaron Larson
2016-06-24  2:27 ` David Gibson
2016-06-25  7:55   ` Thomas Huth [this message]
2016-06-27  1:29     ` David Gibson

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