diff options
| author | Albert Aribaud <albert.aribaud@free.fr> | 2010-11-26 19:42:10 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-11-26 21:22:43 +0100 |
| commit | e42a7dff09dd7306f8eaffbe8aaf44148dbfba35 (patch) | |
| tree | 22986855a28d999da96c18fd8c0f4a4ddacac5a1 /arch/arm/cpu/arm1176/start.S | |
| parent | 3336ca60d412b2e1285c0d5e76b7b6f9b4ff19ef (diff) | |
arm1176: bugfix: fix start.S for ELF relocation
The start.S file was only half-rewritten for ELF relocations.
This bugfix completes the rewrite.
Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
Diffstat (limited to 'arch/arm/cpu/arm1176/start.S')
| -rw-r--r-- | arch/arm/cpu/arm1176/start.S | 47 |
1 files changed, 13 insertions, 34 deletions
diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S index f04d2688814..cd8f01637af 100644 --- a/arch/arm/cpu/arm1176/start.S +++ b/arch/arm/cpu/arm1176/start.S @@ -123,34 +123,6 @@ _bss_start_ofs: _bss_end_ofs: .word _end - _start -.globl _datarel_start_ofs -_datarel_start_ofs: - .word __datarel_start - _start - -.globl _datarelrolocal_start_ofs -_datarelrolocal_start_ofs: - .word __datarelrolocal_start - _start - -.globl _datarellocal_start_ofs -_datarellocal_start_ofs: - .word __datarellocal_start - _start - -.globl _datarelro_start_ofs -_datarelro_start_ofs: - .word __datarelro_start - _start - -.globl _rel_dyn_start_ofs -_rel_dyn_start_ofs: - .word __rel_dyn_start - _start - -.globl _rel_dyn_end_ofs -_rel_dyn_end_ofs: - .word __rel_dyn_end - _start - -.globl _dynsym_start_ofs -_dynsym_start_ofs: - .word __dynsym_start - _start - /* IRQ stack memory (calculated at run-time) + 8 bytes */ .globl IRQ_STACK_START_IN IRQ_STACK_START_IN: @@ -300,13 +272,13 @@ copy_loop: ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ - add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ ldr r1, [r2, #4] and r8, r1, #0xff - cmp r8, #23 /* relative fixup? */ + cmp r8, #23 /* relative fixup? */ beq fixrel - cmp r8, #2 /* absolute fixup? */ + cmp r8, #2 /* absolute fixup? */ beq fixabs /* ignore unknown type of fixup */ b fixnext @@ -315,7 +287,7 @@ fixabs: mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ add r1, r10, r1 /* r1 <- address of symbol in table */ ldr r1, [r1, #4] /* r1 <- symbol value */ - add r1, r1, r9 /* r1 <- relocated sym addr */ + add r1, r9 /* r1 <- relocated sym addr */ b fixnext fixrel: /* relative fix: increase location by offset */ @@ -323,7 +295,7 @@ fixrel: add r1, r1, r9 fixnext: str r1, [r0] - add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif @@ -408,6 +380,13 @@ _board_init_r_ofs: .word board_init_r - _start #endif +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start + #ifdef CONFIG_ENABLE_MMU _mmu_table_base: .word mmu_table |