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Commit | Line | Data |
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97a572b3 YS |
1 | /* |
2 | * linux/arch/h8300/boot/compressed/head.S | |
3 | * | |
4 | * Copyright (C) 2006 Yoshinori Sato | |
5 | */ | |
6 | ||
86277d59 | 7 | .h8300h |
97a572b3 YS |
8 | #include <linux/linkage.h> |
9 | ||
10 | #define SRAM_START 0xff4000 | |
11 | ||
9bf59424 | 12 | .section .text..startup |
97a572b3 YS |
13 | .global startup |
14 | startup: | |
15 | mov.l #SRAM_START+0x8000, sp | |
16 | mov.l #__sbss, er0 | |
17 | mov.l #__ebss, er1 | |
18 | sub.l er0, er1 | |
19 | shlr er1 | |
20 | shlr er1 | |
21 | sub.l er2, er2 | |
22 | 1: | |
23 | mov.l er2, @er0 | |
24 | adds #4, er0 | |
25 | dec.l #1, er1 | |
26 | bne 1b | |
27 | jsr @_decompress_kernel | |
28 | jmp @0x400000 | |
29 | ||
30 | .align 9 | |
31 | fake_headers_as_bzImage: | |
32 | .word 0 | |
33 | .ascii "HdrS" ; header signature | |
34 | .word 0x0202 ; header version number (>= 0x0105) | |
35 | ; or else old loadlin-1.5 will fail) | |
36 | .word 0 ; default_switch | |
37 | .word 0 ; SETUPSEG | |
38 | .word 0x1000 | |
39 | .word 0 ; pointing to kernel version string | |
40 | .byte 0 ; = 0, old one (LILO, Loadlin, | |
41 | ; 0xTV: T=0 for LILO | |
42 | ; V = version | |
43 | .byte 1 ; Load flags bzImage=1 | |
44 | .word 0x8000 ; size to move, when setup is not | |
45 | .long 0x100000 ; 0x100000 = default for big kernel | |
46 | .long 0 ; address of loaded ramdisk image | |
47 | .long 0 ; its size in bytes |