[OpenBIOS] [PATCH] ppc: unexpected_excep() needs an absolute branch
Andreas Färber
andreas.faerber at web.de
Mon Dec 13 23:12:02 CET 2010
When called from address 0x700, trap_error must not use a relative branch
to unexpected_excep() since that is beyond __vectors_end.
Signed-off-by: Andreas Färber <andreas.faerber at web.de>
---
arch/ppc/qemu/start.S | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/ppc/qemu/start.S b/arch/ppc/qemu/start.S
index b227ef2..4b25650 100644
--- a/arch/ppc/qemu/start.S
+++ b/arch/ppc/qemu/start.S
@@ -288,7 +288,9 @@ exception_return:
_GLOBAL(__divide_error):
trap_error:
mflr r3
- b BRANCH_LABEL(unexpected_excep)
+ LOAD_REG_FUNC(r4, unexpected_excep)
+ mtctr r4
+ bctr
VECTOR( 0x100, "SRE" ):
b _entry
--
1.7.3
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