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Put an isync at the end of the RESTORE_SRS() macro. This is the

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recommended workaround for a mtsr/mtsrin errata with PPC750 cpus.
This commit is contained in:
scw 2003-04-29 15:16:14 +00:00
parent c48c683d1f
commit c916242d13
1 changed files with 2 additions and 2 deletions
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4
sys/arch/powerpc/powerpc/trap_subr.S
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@ -1,4 +1,4 @@
/* $NetBSD: trap_subr.S,v 1.37 2003/03/15 07:21:02 matt Exp $ */
/* $NetBSD: trap_subr.S,v 1.38 2003/04/29 15:16:14 scw Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -69,7 +69,7 @@
lwz sr,48(pmap); mtsr 12,sr; \
lwz sr,52(pmap); mtsr 13,sr; \
lwz sr,56(pmap); mtsr 14,sr; \
lwz sr,60(pmap); mtsr 15,sr;
lwz sr,60(pmap); mtsr 15,sr; isync;
/*
* User SRs are loaded through a pointer to the current pmap.