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Make sure DELAY(0) returns within an hour..

This commit is contained in:
pk 1996-05-19 00:25:16 +00:00
parent 503d421a0a
commit 98a9570a8e
1 changed files with 5 additions and 2 deletions
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7
sys/arch/sparc/sparc/locore.s
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@ -5683,10 +5683,13 @@ ENTRY(microtime)
*/
ENTRY(delay) ! %o0 = n
subcc %o0, %g0, %g0
be 2f
sethi %hi(_timerblurb), %o1
ld [%o1 + %lo(_timerblurb)], %o1 ! %o1 = timerblurb
addcc %o1, %g0, %o2 ! %o2 = cntr (start @ %o1), clear CCs
addcc %o1, %g0, %o2 ! %o2 = cntr (start @ %o1), clear CCs
! first time through only
! delay 1 usec
@ -5697,7 +5700,7 @@ ENTRY(delay) ! %o0 = n
bne 1b ! done yet?
addcc %o1, %g0, %o2 ! reinit %o2 and CCs [delay slot]
! harmless if not branching
2:
retl ! return
nop ! [delay slot]