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-rw-r--r--cpu/mpc86xx/traps.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/cpu/mpc86xx/traps.c b/cpu/mpc86xx/traps.c
index 04c2e13..5695c3e 100644
--- a/cpu/mpc86xx/traps.c
+++ b/cpu/mpc86xx/traps.c
@@ -43,7 +43,13 @@ int (*debugger_exception_handler)(struct pt_regs *) = 0;
/* Returns 0 if exception not found and fixup otherwise. */
extern unsigned long search_exception_table(unsigned long);
-#define END_OF_MEM (gd->bd->bi_memstart + gd->bd->bi_memsize)
+/*
+ * End of addressable memory. This may be less than the actual
+ * amount of memory on the system if we're unable to keep all
+ * the memory mapped in.
+ */
+extern ulong get_effective_memsize(void);
+#define END_OF_MEM (gd->bd->bi_memstart + get_effective_memsize())
/*
* Trap & Exception support