Make MPC83xx one step closer to full relocation.
Remove a few absolute references to CFG_MONITOR_BASE for ppc/mpc83xx
and use GOT relative reference.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S
index 309eb30..fdf9d35 100644
--- a/cpu/mpc83xx/start.S
+++ b/cpu/mpc83xx/start.S
@@ -172,8 +172,11 @@
/* there and deflate the flash size back to minimal size */
/*------------------------------------------------------------*/
bl map_flash_by_law1
- lis r4, (CFG_MONITOR_BASE)@h
- ori r4, r4, (CFG_MONITOR_BASE)@l
+
+ GET_GOT /* initialize GOT access */
+ lwz r4, GOT(_start)
+ addi r4, r4, -EXC_OFF_SYS_RESET
+
addi r5, r4, in_flash - _start + EXC_OFF_SYS_RESET
mtlr r5
blr
@@ -872,8 +875,8 @@
mr r10, r5 /* Save copy of Destination Address */
mr r3, r5 /* Destination Address */
- lis r4, CFG_MONITOR_BASE@h /* Source Address */
- ori r4, r4, CFG_MONITOR_BASE@l
+ lwz r4, GOT(_start)
+ addi r4, r4, -EXC_OFF_SYS_RESET
lwz r5, GOT(__init_end)
sub r5, r5, r4
li r6, CFG_CACHELINE_SIZE /* Cache Line Size */
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 50cdf8c..7ebf74a 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -120,6 +120,7 @@
#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
#endif
+extern ulong _start;
extern ulong __init_end;
extern ulong _end;
ulong monitor_flash_len;
@@ -434,7 +435,7 @@
* - monitor code
* - board info struct
*/
- len = (ulong)&_end - CFG_MONITOR_BASE;
+ len = (ulong)&_end - (ulong)&_start + EXC_OFF_SYS_RESET;
#ifndef CONFIG_MAX_MEM_MAPPED
#define CONFIG_MAX_MEM_MAPPED (256 << 20)