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Interrupt handlers return zero if they didn't handle the interrupt.

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eeh 2000-01-16 03:13:24 +00:00
parent 0e1153bb9f
commit e73d544dec
1 changed files with 3 additions and 4 deletions
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7
sys/arch/sparc64/sparc64/locore.s
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@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.49 2000/01/10 03:53:21 eeh Exp $ */
/* $NetBSD: locore.s,v 1.50 2000/01/16 03:13:24 eeh Exp $ */
/*
* Copyright (c) 1996-1999 Eduardo Horvath
* Copyright (c) 1996 Paul Kranenburg
@ -4002,9 +4002,8 @@ _C_LABEL(sparc_interrupt):
0:
jmpl %o1, %o7 ! handled = (*ih->ih_fun)(...)
movrz %o0, %o2, %o0 ! arg = (arg == 0) ? arg : tf
brz,pt %o0, intrcmplt ! Done?
nop
mov 1, %o1
brnz,pt %o0, intrcmplt ! Done?
mov 1, %o1
call _C_LABEL(strayintr) ! strayintr(&intrframe, 1)
add %sp, CC64FSZ + STKB, %o0
ba,a,pt %icc, intrcmplt ! done