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| author | Benoît Thébaudeau <benoit.thebaudeau@advansee.com> | 2013-04-11 09:35:45 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-04-12 07:55:05 +0200 |
| commit | 4b3db1cd31cbf690b4bf5d704211a7385ff31e03 (patch) | |
| tree | d0785b938f32a2b010cc298c6c4e727c2bc43da7 /arch/arm/cpu/arm925t/start.S | |
| parent | 1dd1276fd8c66434664346c8f872e51d9f916636 (diff) | |
| download | blackbird-obmc-uboot-4b3db1cd31cbf690b4bf5d704211a7385ff31e03.tar.gz blackbird-obmc-uboot-4b3db1cd31cbf690b4bf5d704211a7385ff31e03.zip | |
arm: relocate_code(): Remove useless relocation offset computation
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Diffstat (limited to 'arch/arm/cpu/arm925t/start.S')
| -rw-r--r-- | arch/arm/cpu/arm925t/start.S | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S index 6920c93f39..9358f3e45f 100644 --- a/arch/arm/cpu/arm925t/start.S +++ b/arch/arm/cpu/arm925t/start.S @@ -192,16 +192,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -210,7 +209,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ |
