diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S index 7373d4edc42f0c424ee147fe6813a6e4076d5b47..cd8b914da317248a6bd9f4bf1d9d5e37a3f5eed1 100644 --- a/arch/mips/cpu/mips32/start.S +++ b/arch/mips/cpu/mips32/start.S @@ -228,17 +228,19 @@ in_ram: blt t2, t3, 1b addi t4, 4 - /* Clear BSS */ - lw t1, -12(t0) # t1 <-- uboot_end_data - lw t2, -8(t0) # t2 <-- uboot_end - add t1, s1 # adjust pointers - add t2, s1 + /* + * Clear BSS + * + * GOT is now relocated. Thus __bss_start and __bss_end can be + * accessed directly via $gp. + */ + la t1, __bss_start # t1 <-- __bss_start + la t2, __bss_end # t2 <-- __bss_end - sub t1, 4 1: - addi t1, 4 - bltl t1, t2, 1b - sw zero, 0(t1) + sw zero, 0(t1) + blt t1, t2, 1b + addi t1, 4 move a0, s0 # a0 <-- gd la t9, board_init_r diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S index c0ae41a18a09ccbc10fca8646dd00f3b2ddaea88..ba4ca4de38e010073d3a8027b74e309259fbfb90 100644 --- a/arch/mips/cpu/mips64/start.S +++ b/arch/mips/cpu/mips64/start.S @@ -220,17 +220,19 @@ in_ram: blt t2, t3, 1b daddi t8, 8 - /* Clear BSS */ - ld t1, -24(t0) # t1 <-- uboot_end_data - ld t2, -16(t0) # t2 <-- uboot_end - dadd t1, s1 # adjust pointers - dadd t2, s1 + /* + * Clear BSS + * + * GOT is now relocated. Thus __bss_start and __bss_end can be + * accessed directly via $gp. + */ + dla t1, __bss_start # t1 <-- __bss_start + dla t2, __bss_end # t2 <-- __bss_end - dsub t1, 8 1: - daddi t1, 8 - bltl t1, t2, 1b - sd zero, 0(t1) + sd zero, 0(t1) + blt t1, t2, 1b + daddi t1, 8 move a0, s0 # a0 <-- gd dla t9, board_init_r diff --git a/arch/mips/cpu/xburst/start.S b/arch/mips/cpu/xburst/start.S index 50b7fb102172f6c32ea50b2f8b65ebf6485f9a1f..bd9390ae5e396431480eee744c5e93018f150093 100644 --- a/arch/mips/cpu/xburst/start.S +++ b/arch/mips/cpu/xburst/start.S @@ -143,16 +143,19 @@ in_ram: blt t2, t3, 1b addi t4, 4 - /* Clear BSS */ - lw t1, -12(t0) # t1 <-- uboot_end_data - lw t2, -8(t0) # t2 <-- uboot_end - add t1, t6 # adjust pointers - add t2, t6 - - sub t1, 4 -1: addi t1, 4 - bltl t1, t2, 1b - sw zero, 0(t1) + /* + * Clear BSS + * + * GOT is now relocated. Thus __bss_start and __bss_end can be + * accessed directly via $gp. + */ + la t1, __bss_start # t1 <-- __bss_start + la t2, __bss_end # t2 <-- __bss_end + +1: + sw zero, 0(t1) + blt t1, t2, 1b + addi t1, 4 move a0, a1 # a0 <-- gd la t9, board_init_r