Let's try a patch to get the ball rolling.
ldstfp.S does not compile if mtmsrd not defined. But is it only defined
for BOOK3S_64. This defines mtmsrd to be mtmsr on all but BOOK3S_64.
This solves the compile problem... but I am not sure how to test it.
I am also not sure if this is the best plac
On Sun, 2010-08-22 at 18:09 -0400, Sean MacLennan wrote:
> Let's try a patch to get the ball rolling.
>
> ldstfp.S does not compile if mtmsrd not defined. But is it only defined
> for BOOK3S_64. This defines mtmsrd to be mtmsr on all but BOOK3S_64.
> This solves the compile problem... but I am no
On Mon, 23 Aug 2010 08:34:54 +1000
Benjamin Herrenschmidt wrote:
> I'd rather have a macro somewhere in ppc_asm.h (MTMSR ?) that does the
> right thing. We might even already have one...
We do here is a new, improved patch.
Replace the BOOK3S_64 specific mtmsrd with the generic MTMSRD macro
On Sun, Aug 22, 2010 at 06:48:44PM -0400, Sean MacLennan wrote:
> Replace the BOOK3S_64 specific mtmsrd with the generic MTMSRD macro.
>
> Signed-off-by: Sean MacLennan
Acked-by: Paul Mackerras
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On Aug 22, 2010, at 5:48 PM, Sean MacLennan wrote:
> On Mon, 23 Aug 2010 08:34:54 +1000
> Benjamin Herrenschmidt wrote:
>
>> I'd rather have a macro somewhere in ppc_asm.h (MTMSR ?) that does the
>> right thing. We might even already have one...
>
> We do here is a new, improved patch.
>
On Tue, 31 Aug 2010 11:17:17 -0500
Kumar Gala wrote:
> Can we add proper CONFIG_PPC_FPU into this file.
If nobody beats me to it I can try this evening.
Cheers,
Sean
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On Tue, 31 Aug 2010 13:46:05 -0400
Sean MacLennan wrote:
> On Tue, 31 Aug 2010 11:17:17 -0500
> Kumar Gala wrote:
>
> > Can we add proper CONFIG_PPC_FPU into this file.
>
> If nobody beats me to it I can try this evening.
I had to give up. Without the CONFIG_PPC_FPU it compiles fine for
On Aug 31, 2010, at 9:55 PM, Sean MacLennan wrote:
> On Tue, 31 Aug 2010 13:46:05 -0400
> Sean MacLennan wrote:
>
>> On Tue, 31 Aug 2010 11:17:17 -0500
>> Kumar Gala wrote:
>>
>>> Can we add proper CONFIG_PPC_FPU into this file.
>>
>> If nobody beats me to it I can try this evening.
>
On Wed, 1 Sep 2010 01:45:46 -0500
Kumar Gala wrote:
> For what defconfig setup do you get the errors above?
44x/ebony_defconfig
Then enable KPROBES (or XMON).
Then put an #ifdef CONFIG_PPC_FPU in ldstfp.S.
Cheers,
Sean
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On Tue, Aug 31, 2010 at 10:55:25PM -0400, Sean MacLennan wrote:
> I had to give up. Without the CONFIG_PPC_FPU it compiles fine for an
> FPU less 44x. But with the CONFIG_PPC_FPU, I get the following errors:
Ah, those references would be from arch/powerpc/lib/sstep.c. Evidently
we need #ifdef CO
On Sep 1, 2010, at 3:02 AM, Paul Mackerras wrote:
> On Tue, Aug 31, 2010 at 10:55:25PM -0400, Sean MacLennan wrote:
>
>> I had to give up. Without the CONFIG_PPC_FPU it compiles fine for an
>> FPU less 44x. But with the CONFIG_PPC_FPU, I get the following errors:
>
> Ah, those references would
On Wed, 1 Sep 2010 18:02:14 +1000
Paul Mackerras wrote:
> Ah, those references would be from arch/powerpc/lib/sstep.c.
> Evidently we need #ifdef CONFIG_PPC_FPU around the emulation of the
> floating-point loads and stores.
I tried that yesterday and it didn't help, although maybe I forgot to
ma
Ok, I didn't catch all the cases the first time :( Since the errors
seemed to come from copy_32.S, I didn't spend much time on sstep.c.
Here is an updated patch the fixes the mtmsrd problem and maps out the
floating point.
Cheers,
Sean
Replace the BOOK3S_64 specific mtmsrd with the generic MT
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