diff options
| author | Paul Mackerras <paulus@samba.org> | 2005-11-16 05:38:21 +0300 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-11-16 05:52:21 +0300 |
| commit | 94b212c29f685ca54b5689a8e89ac7671c43d651 (patch) | |
| tree | 356266520a5ba530b2a5b77b68e90e87a2402ecb /arch/ppc64/boot/crt0.S | |
| parent | 7486a38f683d49e6f8b2b9050ff06778b151a40c (diff) | |
| download | linux-94b212c29f685ca54b5689a8e89ac7671c43d651.tar.xz | |
powerpc: Move ppc64 boot wrapper code over to arch/powerpc
This also extends the code to handle 32-bit ELF vmlinux files as well
as 64-bit ones. This is sufficient for booting on new-world 32-bit
powermacs (i.e. all recent machines).
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc64/boot/crt0.S')
| -rw-r--r-- | arch/ppc64/boot/crt0.S | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/ppc64/boot/crt0.S b/arch/ppc64/boot/crt0.S deleted file mode 100644 index 9cc442263939..000000000000 --- a/arch/ppc64/boot/crt0.S +++ /dev/null @@ -1,59 +0,0 @@ -/* - * 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 reloc_offset - -reloc_offset: - mflr r0 - lis r9,reloc_offset@ha - addi r9,r9,reloc_offset@l - subf. r0,r9,r0 - beq clear_caches - -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 - srwi. r8,r8,2 - mtctr r8 - add r9,r0,r9 -reloc_got2_loop: - lwz r8,0(r9) - add r8,r8,r0 - stw r8,0(r9) - addi r9,r9,4 - bdnz reloc_got2_loop - -clear_caches: - 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 - icbi r0,r9 - addi r9,r9,0x20 - cmplwi 0,r9,8 - blt 1b - sync - isync - - mr r6,r1 - b start - |