Marcus Sundberg <erammsu at kieraypc01.p.y.ki.era.ericsson.se> writes:
> I'd suggest keeping the C-version of set_dec() in ppc/kernel/time.h
> where it used to be and change it to the following code :
[snip]
Or not. ;-)
That didn't come out of the compiler as something useful, this version
works though:
static __inline__ void set_dec(unsigned int val)
{
unsigned long dummy_var;
register unsigned long reg5 __asm__ ("r5");
register unsigned long reg4 __asm__ ("r4");
unsigned long flags;
save_flags(flags);
cli();
reg4 = (unsigned long) &dummy_var;
reg5 = DEC_ADDR;
asm volatile (
"stw %3,0(%2) \n\t"
"lwz %3,0(%2) \n\t"
"mtspr %0,%1 \n\t"
: : "i"(DEC), "r"((val)), "r"(reg4), "r"(reg5)
: "r4", "r5", "memory");
restore_flags(flags);
}
//Marcus
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