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Ensure lowest 256MB is mapped by BAT0.

This commit is contained in:
tsubai 1999-02-02 16:29:25 +00:00
parent 1123e3e286
commit 378f49eff8
1 changed files with 27 additions and 1 deletions
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28
sys/arch/macppc/stand/ofwboot/Locore.c
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@ -1,4 +1,4 @@
/* $NetBSD: Locore.c,v 1.3 1998/07/24 15:52:04 tsubai Exp $ */ /* $NetBSD: Locore.c,v 1.4 1999/02/02 16:29:25 tsubai Exp $ */
/* /*
* Copyright (C) 1995, 1996 Wolfgang Solfrank. * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -71,6 +71,32 @@ _start:
lis 1,stack@ha lis 1,stack@ha
addi 1,1,stack@l addi 1,1,stack@l
addi 1,1,4096 addi 1,1,4096
mfmsr 8
li 0,0
mtmsr 0
isync
mtibatu 0,0
mtibatu 1,0
mtibatu 2,0
mtibatu 3,0
mtdbatu 0,0
mtdbatu 1,0
mtdbatu 2,0
mtdbatu 3,0
li 9,0x12 /* BATL(0, BAT_M) */
mtibatl 0,9
mtdbatl 0,9
li 9,0x1ffe /* BATU(0) */
mtibatu 0,9
mtdbatu 0,9
isync
mtmsr 8
isync
b startup b startup
"); ");