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Spell ta 1 correctly as ta %xcc, 1. Use %pil for critical enter/exit

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instead of pstate.ie.  Note that popc is not implemented in hardware
on certain ultras, so we can't use it for inline ffs (suck).
This commit is contained in:
Jake Burkholder 2001-08-18 18:07:37 +00:00
parent cae71da765
commit f70bfa97c0
1 changed files with 10 additions and 13 deletions
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23
sys/sparc64/include/cpufunc.h
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@ -117,31 +117,28 @@
static __inline void
breakpoint(void)
{
__asm __volatile("ta 1");
__asm __volatile("ta %%xcc, 1" : :);
}
/*
* XXX use %pil for these.
*/
static __inline critical_t
critical_enter(void)
{
critical_t ie;
critical_t pil;
ie = rdpr(pstate);
if (ie & PSTATE_IE)
wrpr(pstate, ie, PSTATE_IE);
return (ie);
pil = rdpr(pil);
wrpr(pil, 0, 14);
return (pil);
}
static __inline void
critical_exit(critical_t ie)
critical_exit(critical_t pil)
{
if (ie & PSTATE_IE)
wrpr(pstate, ie, 0);
wrpr(pil, pil, 0);
}
/*
* Ultrasparc II doesn't implement popc in hardware. Suck.
*/
#if 0
#define HAVE_INLINE_FFS
/*