On Sep 10, 2007, at 9:25 AM, Scott Wood wrote:
>>>> +static inline void disable_irq(void)
>>>> +{
>>>> + int dummy;
>>>> + asm volatile("mfmsr %0; rlwinm %0, %0, 0, ~(1<<15); mtmsr
>>>> %0"
>>>> :
>>>> + "=r" (dummy) : : "memory");
>>>> +}
>>
>> This will fail (mtmsr illegal instruction) on 64 bit processors that
>> do
>> not implement the bridge facility (POWER4, 5, 6, PPC970, ...)
>
> Ouch... And given the One wrapper.a To Rule Them All mandate, we can't
> ifdef it here, but instead must make separate platform files. :-P
Rather than a seperate c file, I think this should go in your
_zimage_start, renaming fixed-head.S.
milton
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