Module Name: src
Committed By: tsutsui
Date: Sun Jul 26 14:24:29 UTC 2015
Modified Files:
src/sys/arch/macppc/stand/ofwboot: Locore.c
Log Message:
Don't set garbages into BAT registers, which was broken in rev 1.25.
Should fix PR port-macppc/50018 (though there is no response for 3 weeks),
and should be pulled up to netbsd-7.
To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/sys/arch/macppc/stand/ofwboot/Locore.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/macppc/stand/ofwboot/Locore.c
diff -u src/sys/arch/macppc/stand/ofwboot/Locore.c:1.25 src/sys/arch/macppc/stand/ofwboot/Locore.c:1.26
--- src/sys/arch/macppc/stand/ofwboot/Locore.c:1.25 Wed Feb 26 21:42:40 2014
+++ src/sys/arch/macppc/stand/ofwboot/Locore.c Sun Jul 26 14:24:29 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: Locore.c,v 1.25 2014/02/26 21:42:40 macallan Exp $ */
+/* $NetBSD: Locore.c,v 1.26 2015/07/26 14:24:29 tsutsui Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -75,6 +75,7 @@ __asm(
" cmpi 0,1,%r0,0x02 \n" /* 601 CPU = 0x0001 */
" blt 1f \n" /* skip over non-601 BAT setup */
/*non PPC 601 BATs*/
+" li %r0,0 \n"
" mtibatu 0,%r0 \n"
" mtibatu 1,%r0 \n"
" mtibatu 2,%r0 \n"
@@ -93,7 +94,8 @@ __asm(
" b 2f \n"
/* PPC 601 BATs*/
-"1: mtibatu 0,%r0 \n"
+"1: li %r0,0 \n"
+" mtibatu 0,%r0 \n"
" mtibatu 1,%r0 \n"
" mtibatu 2,%r0 \n"
" mtibatu 3,%r0 \n"
