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/* $OpenBSD: uthread_machdep.S,v 1.1 2000/01/06 07:04:36 d Exp $ */
#include <machine/asm.h>
#include <machine/trap.h>
ENTRY(_thread_machdep_create)
st %o2, [%o0] /* store the new stack pointer */
sub %o1, 8, %o1 /* the return adress is o7 + 8 ! */
st %o1, [%o0+4] /* store the new pc */
retl
nop
ENTRY(_thread_machdep_setjmp)
t ST_FLUSHWIN /* flush register windows */
st %sp, [%o0] /* store sp */
st %o7, [%o0+4] /* store pc */
retl
clr %o0 /* return 0 */
ENTRY(_thread_machdep_longjmp)
t ST_FLUSHWIN /* flush register windows */
sub %sp, 64, %sp /* foo? */
ld [%o0+4], %o7 /* restore pc */
ld [%o0], %fp /* restore fp, the restore ins below will
* cause it to become sp */
/* i?i:1 - Do we need to care? it's always called with 1 */
tst %o1
be,a 0f
mov 1, %o1
0:
retl
restore %o1, 0, %o0
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