diff options
Diffstat (limited to 'arch/h8300/boot/compressed/head.S')
| -rw-r--r-- | arch/h8300/boot/compressed/head.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/h8300/boot/compressed/head.S b/arch/h8300/boot/compressed/head.S new file mode 100644 index 00000000000..b8e90d12d19 --- /dev/null +++ b/arch/h8300/boot/compressed/head.S @@ -0,0 +1,47 @@ +/* + * 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 |