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MIPS: xburst/start.S: save relocation address in s2 register

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Synchronize the code with mips{32,64}/start.S, in order to
allow further unifications.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
This commit is contained in:
Gabor Juhos 2013-06-13 12:59:29 +02:00 committed by Tom Rini
parent 691995f9ab
commit 9a28e0d177
1 changed files with 5 additions and 3 deletions
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8
arch/mips/cpu/xburst/start.S
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@ -47,8 +47,10 @@ _start:
relocate_code:
move sp, a0 # set new stack pointer
move s2, a2 # save destination address in s2
li t0, CONFIG_SYS_MONITOR_BASE
sub t6, a2, t0 # t6 <-- relocation offset
sub t6, s2, t0 # t6 <-- relocation offset
la t3, in_ram
lw t2, -12(t3) # t2 <-- __image_copy_end
@ -96,7 +98,7 @@ relocate_code:
nop
/* Jump to where we've relocated ourselves */
addi t0, a2, in_ram - _start
addi t0, s2, in_ram - _start
jr t0
nop
@ -171,6 +173,6 @@ in_ram:
move a0, a1 # a0 <-- gd
la t9, board_init_r
jr t9
move a1, a2
move a1, s2
.end relocate_code