[commit] r931 - trunk/openbios-devel/include/kernel

[repository service]

Author: afaerber
Date: Sat Oct 30 18:15:17 2010
New Revision: 931
URL: http://tracker.coreboot.org/trac/openbios/changeset/931

Log:
ppc64: Quickfix for pointer2cell() and cell2pointer()

Add a uintptr_t cast as an interim solution to resolve errors for ppc64,
where pointer size is larger than cell size.

v2:
* Add comment on potential better fix.
  Postpone potential conversion to inline function until investigated.

Signed-off-by: Andreas Färber

Modified:
   trunk/openbios-devel/include/kernel/stack.h

Modified: trunk/openbios-devel/include/kernel/stack.h
==============================================================================
--- trunk/openbios-devel/include/kernel/stack.h	Sat Oct 30 17:44:08 2010	(r930)
+++ trunk/openbios-devel/include/kernel/stack.h	Sat Oct 30 18:15:17 2010	(r931)
@@ -31,8 +31,9 @@

#ifdef NATIVE_BITWIDTH_EQUALS_HOST_BITWIDTH
-#define pointer2cell(x) ((ucell)(x))
-#define cell2pointer(x) ((u8 *)(x))
+// XXX Check whether we can take the larger-than code path for ppc64 instead.
+#define pointer2cell(x) ((ucell)(uintptr_t)(x))
+#define cell2pointer(x) ((u8 *)(uintptr_t)(x))
 #endif
 #ifdef NATIVE_BITWIDTH_SMALLER_THAN_HOST_BITWIDTH
 #define pointer2cell(x) ((ucell)(((unsigned long)(x))-base_address))