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Force TTBCR to 0

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This commit is contained in:
matt 2012-09-05 00:21:30 +00:00
parent ec71c76d8a
commit 15f1edbc0c
1 changed files with 6 additions and 2 deletions
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8
sys/arch/arm/cortex/a9_mpsubr.S
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@ -1,4 +1,4 @@
/* $NetBSD: a9_mpsubr.S,v 1.2 2012/09/02 05:01:54 matt Exp $ */
/* $NetBSD: a9_mpsubr.S,v 1.3 2012/09/05 00:21:30 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@ -135,10 +135,14 @@ a9_cpuinit:
mcr p15, 0, r1, c8, c7, 0 /* Invalidate TLBs */
/* Set the Domain Access register. Very important! */
XPUTC(#74)
XPUTC(#73)
mov r1, #((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT)
mcr p15, 0, r1, c3, c0, 0
XPUTC(#74)
mov r0, #0 /* make sure TTBCR is 0 */
mcr p15, 0, r0, c1, c0, 2
/*
* Enable the MMU, etc.
*/