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MIPS: xburst/start.S: use t8 register for dynamic relocation

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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 12:59:32 +02:00 committed by Tom Rini
parent f01d693535
commit e5c868a208
1 changed files with 9 additions and 9 deletions
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18
arch/mips/cpu/xburst/start.S
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@ -117,19 +117,19 @@ in_ram:
* generated by GNU ld. Skip these reserved entries from relocation. * generated by GNU ld. Skip these reserved entries from relocation.
*/ */
lw t3, -4(t0) # t3 <-- num_got_entries lw t3, -4(t0) # t3 <-- num_got_entries
lw t4, -8(t0) # t4 <-- _GLOBAL_OFFSET_TABLE_ lw t8, -8(t0) # t8 <-- _GLOBAL_OFFSET_TABLE_
add t4, s1 # t4 now holds relocated _G_O_T_ add t8, s1 # t8 now holds relocated _G_O_T_
addi t4, t4, 8 # skipping first two entries addi t8, t8, 8 # skipping first two entries
li t2, 2 li t2, 2
1: 1:
lw t1, 0(t4) lw t1, 0(t8)
beqz t1, 2f beqz t1, 2f
add t1, s1 add t1, s1
sw t1, 0(t4) sw t1, 0(t8)
2: 2:
addi t2, 1 addi t2, 1
blt t2, t3, 1b blt t2, t3, 1b
addi t4, 4 addi t8, 4
/* Update dynamic relocations */ /* Update dynamic relocations */
lw t1, -16(t0) # t1 <-- __rel_dyn_start lw t1, -16(t0) # t1 <-- __rel_dyn_start
@ -147,11 +147,11 @@ in_ram:
lw t3, -8(t1) # t3 <-- location to fix up in FLASH lw t3, -8(t1) # t3 <-- location to fix up in FLASH
lw t4, 0(t3) # t4 <-- original pointer lw t8, 0(t3) # t8 <-- original pointer
add t4, s1 # t4 <-- adjusted pointer add t8, s1 # t8 <-- adjusted pointer
add t3, s1 # t3 <-- location to fix up in RAM add t3, s1 # t3 <-- location to fix up in RAM
sw t4, 0(t3) sw t8, 0(t3)
2: 2:
blt t1, t2, 1b blt t1, t2, 1b