68643cfb87
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>
58 lines
928 B
ArmAsm
58 lines
928 B
ArmAsm
/*
|
|
* Copyright (C) Paul Mackerras 1997.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*
|
|
* NOTE: this code runs in 32 bit mode and is packaged as ELF32.
|
|
*/
|
|
|
|
#include "ppc_asm.h"
|
|
|
|
.text
|
|
.globl _zimage_start
|
|
_zimage_start:
|
|
bl 1f
|
|
|
|
1:
|
|
mflr r0
|
|
lis r9,1b@ha
|
|
addi r9,r9,1b@l
|
|
subf. r0,r9,r0
|
|
beq 3f
|
|
|
|
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 3f
|
|
srwi. r8,r8,2
|
|
mtctr r8
|
|
add r9,r0,r9
|
|
2:
|
|
lwz r8,0(r9)
|
|
add r8,r8,r0
|
|
stw r8,0(r9)
|
|
addi r9,r9,4
|
|
bdnz 2b
|
|
|
|
3:
|
|
lis r9,_start@h
|
|
add r9,r0,r9
|
|
lis r8,_etext@ha
|
|
addi r8,r8,_etext@l
|
|
add r8,r0,r8
|
|
4: dcbf r0,r9
|
|
icbi r0,r9
|
|
addi r9,r9,0x20
|
|
cmplwi 0,r9,8
|
|
blt 4b
|
|
sync
|
|
isync
|
|
|
|
mr r6,r1
|
|
b start
|
|
|