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Test different bits to identify an MMU fault.

This commit is contained in:
gwr 1994-12-20 05:32:59 +00:00
parent ecd3151ee6
commit 231a7c73aa
1 changed files with 3 additions and 3 deletions
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6
sys/arch/sun3/sun3/trap.s
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@ -1,4 +1,4 @@
/* $NetBSD: trap.s,v 1.9 1994/11/21 21:39:17 gwr Exp $ */
/* $NetBSD: trap.s,v 1.10 1994/12/20 05:32:59 gwr Exp $ */
/*
* Copyright (c) 1994 Gordon W. Ross
@ -131,8 +131,8 @@ sun3_mmu_specific:
movc d2, sfc | stop using control space (potential)
movl sp@+, d2 | restore d2
movl sp@+, d1 | restore d1
btst #5, d0 | test to timeout bit
jne Lisberr | if bus error, do it
andb #0xC0, d0 | test INVALID|PROTERR
jeq Lisberr | non-MMU bus error
Lismerr:
movl #T_MMUFLT,sp@- | show that we are an MMU fault
jra Ltrapnstkadj | and deal with it