#endif
/* Set up temporary stack */
- li t0, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
- la sp, 0(t0)
+ li sp, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
la t9, board_init_f
jr t9
relocate_code:
move sp, a0 # set new stack pointer
+ move s0, a1 # save gd in s0
+ move s2, a2 # save destination address in s2
+
li t0, CONFIG_SYS_MONITOR_BASE
+ sub s1, s2, t0 # s1 <-- relocation offset
+
la t3, in_ram
lw t2, -12(t3) # t2 <-- uboot_end_data
move t1, a2
- move s2, a2 # s2 <-- destination address
- /*
- * Fix $gp:
- *
- * New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
- */
- move t6, gp
- sub gp, CONFIG_SYS_MONITOR_BASE
- add gp, a2 # gp now adjusted
- sub s1, gp, t6 # s1 <-- relocation offset
+ add gp, s1 # adjust gp
/*
* t0 = source address
/*
* Save destination address and size for later usage in flush_cache()
*/
- move s0, a1 # save gd in s0
move a0, t1 # a0 <-- destination addr
sub a1, t2, t0 # a1 <-- size
lw t3, 0(t0)
sw t3, 0(t1)
addu t0, 4
- ble t0, t2, 1b
+ blt t0, t2, 1b
addu t1, 4
/* If caches were enabled, we would have to flush them here. */
/* Exception handlers */
romReserved:
b romReserved
+ nop
romExcHandle:
b romExcHandle
+ nop