[OpenBIOS] [commit] r988 - trunk/openbios-devel/arch/ppc/qemu

[repository service]

Author: afaerber
Date: Fri Dec 24 23:36:33 2010
New Revision: 988
URL: http://tracker.coreboot.org/trac/openbios/changeset/988

Log:
ppc64: Set up TOC pointer for of_client_interface()

Avoids 'unpredictable' memory accesses there.

Signed-off-by: Andreas Färber <andreas.faerber at web.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	Fri Dec 24 23:33:34 2010	(r987)
+++ trunk/openbios-devel/arch/ppc/qemu/start.S	Fri Dec 24 23:36:33 2010	(r988)
@@ -578,6 +578,10 @@
     PPC_STL r30, (STKOFF + 31 * ULONG_SIZE)(r1)
     PPC_STL r31, (STKOFF + 32 * ULONG_SIZE)(r1)
 
+#ifdef CONFIG_PPC64
+    LOAD_REG_IMMEDIATE(r2, of_client_interface)
+    ld  r2, 8(r2)
+#endif
     bl	BRANCH_LABEL(of_client_interface)
 
 	/* restore r5 - r31 */