Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make sure SPSR[23:8] is set to a known valid value (taken from CPSR).

Browse Source
This commit is contained in:
matt 2012-09-27 21:28:13 +00:00
parent ea775f7598
commit bb09e68bff
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/arch/arm/arm32/locore.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.S,v 1.28 2012/09/03 22:49:54 matt Exp $ */
/* $NetBSD: locore.S,v 1.29 2012/09/27 21:28:13 matt Exp $ */
/*
* Copyright (C) 1994-1997 Mark Brinicombe
@ -42,7 +42,7 @@
/* What size should this really be ? It is only used by init_arm() */
#define INIT_ARM_STACK_SIZE 2048
RCSID("$NetBSD: locore.S,v 1.28 2012/09/03 22:49:54 matt Exp $")
RCSID("$NetBSD: locore.S,v 1.29 2012/09/27 21:28:13 matt Exp $")
/*
* This is for kvm_mkdb, and should be the address of the beginning
@ -55,6 +55,9 @@
ENTRY_NP(kernel_text)
ASENTRY_NP(start)
mrs r1, cpsr /* fetch CPSR value */
msr spsr_sx, r1 /* set SPSR[23:8] to known value */
adr r1, .Lstart
ldmia r1, {r1, r2, r8, sp} /* Set initial stack and */
sub r2, r2, r1 /* get zero init data and cpu_info_store */