[OpenBIOS] [commit] r942 - trunk/openbios-devel/arch/ppc/qemu
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svn at openbios.org
Tue Nov 2 23:07:27 CET 2010
Author: afaerber
Date: Tue Nov 2 23:07:27 2010
New Revision: 942
URL: http://tracker.coreboot.org/trac/openbios/changeset/942
Log:
ppc: Use vector-local version of exception_return
On ppc64 the high 32 address bits are clear, so ba's sign extension
cannot be used to branch to the ROM version of exception_return.
Use a relative branch to the relocated version instead.
This fixes relocation linker errors for ppc64.
Signed-off-by: Andreas Färber <andreas.faerber at web.de>
Acked-by: Alexander Graf <agraf at suse.de>
Modified:
trunk/openbios-devel/arch/ppc/qemu/start.S
Modified: trunk/openbios-devel/arch/ppc/qemu/start.S
==============================================================================
--- trunk/openbios-devel/arch/ppc/qemu/start.S Mon Nov 1 18:31:11 2010 (r941)
+++ trunk/openbios-devel/arch/ppc/qemu/start.S Tue Nov 2 23:07:27 2010 (r942)
@@ -206,7 +206,7 @@
addi r3,r3,LO(dsi_exception)
mtctr r3
bctrl
- ba exception_return
+ b exception_return
VECTOR( 0x400, "ISI" ):
EXCEPTION_PREAMBLE
@@ -214,7 +214,7 @@
addi r3,r3,LO(isi_exception)
mtctr r3
bctrl
- ba exception_return
+ b exception_return
ILLEGAL_VECTOR( 0x500 )
ILLEGAL_VECTOR( 0x600 )
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