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: Gabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>

diff --git a/arch/mips/cpu/xburst/start.S b/arch/mips/cpu/xburst/start.S
index 052e25ebad973ab88fd0041d63da566f5f3a59da..2dfd27e90f5b34467dd884ce5976e092aab6c1a4 100644 (file)
--- a/arch/mips/cpu/xburst/start.S
+++ b/arch/mips/cpu/xburst/start.S
@@ -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: