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Wrap rtclock_intr in splclock()/splx() to make sure that hardclock is running 

at splclock.  Passed along from Gordon via Scott.
This commit is contained in:
briggs 1996-05-08 01:08:48 +00:00
parent bcdf813a97
commit bfd10277d3
1 changed files with 11 additions and 9 deletions
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20
sys/arch/mac68k/mac68k/locore.s
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@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.60 1996/03/14 05:50:06 scottr Exp $ */
/* $NetBSD: locore.s,v 1.61 1996/05/08 01:08:48 briggs Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -613,20 +613,22 @@ _lev4intr:
.globl _rtclock_intr
/* MAJORBARF: Fix this routine to be like Mac clocks */
_rtclock_intr:
movl d2,sp@- | save d2
movw sr,d2 | save SPL
movw #SPL2,sr | raise SPL to splclock()
movl a6@(8),a1 | get pointer to frame in via1_intr
movl a1@(64), sp@- | push ps
movl a1@(68), sp@- | push pc
movl sp, sp@- | push pointer to ps, pc
movl a1@(64),sp@- | push ps
movl a1@(68),sp@- | push pc
movl sp,sp@- | push pointer to ps, pc
jbsr _hardclock | call generic clock int routine
lea sp@(12), sp | pop params
lea sp@(12),sp | pop params
jbsr _mrg_VBLQueue | give programs in the VBLqueue a chance
addql #1,_intrcnt+20 | add another system clock interrupt
addql #1,_cnt+V_INTR | chalk up another interrupt
movl #1, d0 | clock taken care of
movw d2,sr | restore SPL
movl sp@+,d2 | restore d2
movl #1,d0 | clock taken care of
rts | go back from whence we came
_lev7intr: