MIPS: mips32/start.S: use t8 register for dynamic relocation
Synchronize the code with mips64/start.S, in order to
allow further unifications.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S
index 2f1e486..f5ebe79 100644
--- a/arch/mips/cpu/mips32/start.S
+++ b/arch/mips/cpu/mips32/start.S
@@ -205,19 +205,19 @@
* generated by GNU ld. Skip these reserved entries from relocation.
*/
lw t3, -4(t0) # t3 <-- num_got_entries
- lw t4, -8(t0) # t4 <-- _GLOBAL_OFFSET_TABLE_
- add t4, s1 # t4 now holds relocated _G_O_T_
- addi t4, t4, 8 # skipping first two entries
+ lw t8, -8(t0) # t8 <-- _GLOBAL_OFFSET_TABLE_
+ add t8, s1 # t8 now holds relocated _G_O_T_
+ addi t8, t8, 8 # skipping first two entries
li t2, 2
1:
- lw t1, 0(t4)
+ lw t1, 0(t8)
beqz t1, 2f
add t1, s1
- sw t1, 0(t4)
+ sw t1, 0(t8)
2:
addi t2, 1
blt t2, t3, 1b
- addi t4, 4
+ addi t8, 4
/* Update dynamic relocations */
lw t1, -16(t0) # t1 <-- __rel_dyn_start
@@ -235,11 +235,11 @@
lw t3, -8(t1) # t3 <-- location to fix up in FLASH
- lw t4, 0(t3) # t4 <-- original pointer
- add t4, s1 # t4 <-- adjusted pointer
+ lw t8, 0(t3) # t8 <-- original pointer
+ add t8, s1 # t8 <-- adjusted pointer
add t3, s1 # t3 <-- location to fix up in RAM
- sw t4, 0(t3)
+ sw t8, 0(t3)
2:
blt t1, t2, 1b