[OpenBIOS] [commit] r907 - trunk/openbios-devel/arch/ppc/qemu
repository service
svn at openbios.org
Sat Oct 16 19:36:16 CEST 2010
Author: blueswirl
Date: Sat Oct 16 19:36:15 2010
New Revision: 907
URL: http://tracker.coreboot.org/trac/openbios/changeset/907
Log:
ppc: Fix stack setup
The exception stack was always set up 64 KiB below the ROM,
ignoring hash table alignment.
Align the stack pointer appropriately.
v2:
* Drop buggy distinction based on PVR value since the previous patch
unifies alignment. Suggested by Segher Boessenkool.
Cc: Alexander Graf <agraf at suse.de>
Cc: Segher Boessenkool <segher at kernel.crashing.org>
Signed-off-by: Andreas Färber <andreas.faerber at web.de>
Signed-off-by: Blue Swirl <blauwirbel at gmail.com>
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 Sat Oct 16 19:36:12 2010 (r906)
+++ trunk/openbios-devel/arch/ppc/qemu/start.S Sat Oct 16 19:36:15 2010 (r907)
@@ -334,9 +334,13 @@
addis r1, r3, -16 /* ramsize - 1MB */
- /* setup exception stack */
+ /* setup hash table */
addis r1, r1, -1 /* - 64 kB */
+ clrrwi r1, r1, 5*4 /* & ~0xfffff */
+
+ /* setup exception stack */
+
mtsprg0 r1
/* setup stack */
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