Commit ba9cf071 authored by Gabor Juhos's avatar Gabor Juhos Committed by Tom Rini
Browse files

MIPS: xburst/start.S: save relocation offset in s1 register



Synchronize the code with mips{32,64}/start.S, in order to
allow further unifications.
Signed-off-by: default avatarGabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
parent 9a28e0d1
......@@ -50,13 +50,13 @@ relocate_code:
move s2, a2 # save destination address in s2
li t0, CONFIG_SYS_MONITOR_BASE
sub t6, s2, t0 # t6 <-- relocation offset
sub s1, s2, t0 # s1 <-- relocation offset
la t3, in_ram
lw t2, -12(t3) # t2 <-- __image_copy_end
move t1, a2
add gp, t6 # adjust gp
add gp, s1 # adjust gp
/*
* t0 = source address
......@@ -117,13 +117,13 @@ in_ram:
*/
lw t3, -4(t0) # t3 <-- num_got_entries
lw t4, -8(t0) # t4 <-- _GLOBAL_OFFSET_TABLE_
add t4, t6 # t4 now holds relocated _G_O_T_
add t4, s1 # t4 now holds relocated _G_O_T_
addi t4, t4, 8 # skipping first two entries
li t2, 2
1:
lw t1, 0(t4)
beqz t1, 2f
add t1, t6
add t1, s1
sw t1, 0(t4)
2:
addi t2, 1
......@@ -147,9 +147,9 @@ in_ram:
lw t3, -8(t1) # t3 <-- location to fix up in FLASH
lw t4, 0(t3) # t4 <-- original pointer
add t4, t6 # t4 <-- adjusted pointer
add t4, s1 # t4 <-- adjusted pointer
add t3, t6 # t3 <-- location to fix up in RAM
add t3, s1 # t3 <-- location to fix up in RAM
sw t4, 0(t3)
2:
......
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