diff options
| author | Olaf Hering | 2005-11-17 22:09:02 +0100 |
|---|---|---|
| committer | Paul Mackerras | 2005-11-18 13:18:16 +1100 |
| commit | 68643cfb879ad8c327441f875b60981822016575 (patch) | |
| tree | 78c39f62bf48658640b4f4ed36a6356a4403cdd5 | |
| parent | d2a33170972c5772826f7f6cc950ab69ba034667 (diff) | |
[PATCH] ppc boot: replace string labels with numbers
Replacing the string labels with numbers saves 117 bytes in the final zImage.
These local labels are not discared.
Signed-off-by: Olaf Hering <olh@suse.de>
arch/powerpc/boot/crt0.S | 23 +++++++++++------------
1 files changed, 11 insertions(+), 12 deletions(-)
Signed-off-by: Paul Mackerras <paulus@samba.org>
| -rw-r--r-- | arch/powerpc/boot/crt0.S | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S index 9cc442263939..d2f2ace56cd3 100644 --- a/arch/powerpc/boot/crt0.S +++ b/arch/powerpc/boot/crt0.S @@ -14,43 +14,42 @@ .text .globl _zimage_start _zimage_start: - bl reloc_offset + bl 1f -reloc_offset: +1: mflr r0 - lis r9,reloc_offset@ha - addi r9,r9,reloc_offset@l + lis r9,1b@ha + addi r9,r9,1b@l subf. r0,r9,r0 - beq clear_caches + beq 3f -reloc_got2: lis r9,__got2_start@ha addi r9,r9,__got2_start@l lis r8,__got2_end@ha addi r8,r8,__got2_end@l subf. r8,r9,r8 - beq clear_caches + beq 3f srwi. r8,r8,2 mtctr r8 add r9,r0,r9 -reloc_got2_loop: +2: lwz r8,0(r9) add r8,r8,r0 stw r8,0(r9) addi r9,r9,4 - bdnz reloc_got2_loop + bdnz 2b -clear_caches: +3: lis r9,_start@h add r9,r0,r9 lis r8,_etext@ha addi r8,r8,_etext@l add r8,r0,r8 -1: dcbf r0,r9 +4: dcbf r0,r9 icbi r0,r9 addi r9,r9,0x20 cmplwi 0,r9,8 - blt 1b + blt 4b sync isync |