From: Becky Bruce <[EMAIL PROTECTED]>
Currently, END_OF_RAM is used by the trap code to determine if
we should attempt to access the stack pointer or not. However,
on systems with a lot of RAM, only a subset of the RAM is
guaranteed to be mapped in and accessible. Change END_OF_RAM
to use get_effective_memsize() instead of using the raw ram
size out of the bd.
Signed-off-by: Becky Bruce <[EMAIL PROTECTED]>
---
cpu/mpc85xx/traps.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/cpu/mpc85xx/traps.c b/cpu/mpc85xx/traps.c
index 2381fb0..fd36658 100644
--- a/cpu/mpc85xx/traps.c
+++ b/cpu/mpc85xx/traps.c
@@ -50,10 +50,12 @@ int (*debugger_exception_handler)(struct pt_regs *) = 0;
extern unsigned long search_exception_table(unsigned long);
/*
- * End of memory as shown by board info and determined by DDR setup.
+ * 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.
*/
-#define END_OF_MEM (gd->bd->bi_memstart + gd->bd->bi_memsize)
-
+extern ulong get_effective_memsize(void);
+#define END_OF_MEM (gd->bd->bi_memstart + get_effective_memsize())
static __inline__ void set_tsr(unsigned long val)
{
--
1.5.4.1
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