* grub-core/kern/ieee1275/init.c (grub_claim_heap): Improve handling

of GRUB_IEEE1275_FLAG_FORCE_CLAIM.
	* grub-core/loader/powerpc/ieee1275/linux.c
	(grub_linux_claimmap_iterate): Handle GRUB_IEEE1275_FLAG_FORCE_CLAIM.

include/grub/ieee1275/ieee1275.h

@@ -78,6 +78,14 @@ extern grub_ieee1275_phandle_t EXPORT_VAR(grub_ieee1275_chosen);
 extern grub_ieee1275_ihandle_t EXPORT_VAR(grub_ieee1275_mmu);
 extern int (* EXPORT_VAR(grub_ieee1275_entry_fn)) (void *);
 
+/* Static heap, used only if FORCE_CLAIM is set,
+   happens on Open Hack'Ware. Should be in platform-specific
+   header but is used only on PPC anyway.
+*/
+#define GRUB_IEEE1275_STATIC_HEAP_START 0x1000000
+#define GRUB_IEEE1275_STATIC_HEAP_LEN   0x1000000
+
+
 enum grub_ieee1275_flag
 {
   /* Old World Macintosh firmware fails seek when "dev:0" is opened.  */