1
0
mirror of https://github.com/torvalds/linux.git synced 2024-12-27 21:33:00 +00:00
linux/arch/h8300/boot/compressed/head.S
Yoshinori Sato 86277d5949 h8300 zImage support update
- Add missing files
- Add Makefile target
- Change image base
- Style fix

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16 09:05:37 -07:00

48 lines
1006 B
ArmAsm

/*
* linux/arch/h8300/boot/compressed/head.S
*
* Copyright (C) 2006 Yoshinori Sato
*/
.h8300h
#include <linux/linkage.h>
#define SRAM_START 0xff4000
.section .text.startup
.global startup
startup:
mov.l #SRAM_START+0x8000, sp
mov.l #__sbss, er0
mov.l #__ebss, er1
sub.l er0, er1
shlr er1
shlr er1
sub.l er2, er2
1:
mov.l er2, @er0
adds #4, er0
dec.l #1, er1
bne 1b
jsr @_decompress_kernel
jmp @0x400000
.align 9
fake_headers_as_bzImage:
.word 0
.ascii "HdrS" ; header signature
.word 0x0202 ; header version number (>= 0x0105)
; or else old loadlin-1.5 will fail)
.word 0 ; default_switch
.word 0 ; SETUPSEG
.word 0x1000
.word 0 ; pointing to kernel version string
.byte 0 ; = 0, old one (LILO, Loadlin,
; 0xTV: T=0 for LILO
; V = version
.byte 1 ; Load flags bzImage=1
.word 0x8000 ; size to move, when setup is not
.long 0x100000 ; 0x100000 = default for big kernel
.long 0 ; address of loaded ramdisk image
.long 0 ; its size in bytes