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1 /*
2  *  linux/arch/h8300/boot/compressed/head.S
3  *
4  *  Copyright (C) 2006 Yoshinori Sato
5  */
6
7 #include <linux/linkage.h>
8
9         .section        .text..startup,"ax"
10         .global startup
11 startup:
12         mov.l   #startup, sp
13         mov.l   er0, er4
14         mov.l   #__sbss, er0
15         mov.l   #__ebss, er1
16         sub.l   er0, er1
17         shlr    er1
18         shlr    er1
19         sub.l   er2, er2
20 1:
21         mov.l   er2, @er0
22         adds    #4, er0
23         dec.l   #1, er1
24         bne     1b
25         jsr     @decompress_kernel
26         mov.l   er4, er0
27         jmp     @output
28
29         .align  9
30 fake_headers_as_bzImage:
31         .word   0
32         .ascii  "HdrS"          ; header signature
33         .word   0x0202          ; header version number (>= 0x0105)
34                                 ; or else old loadlin-1.5 will fail)
35         .word   0               ; default_switch
36         .word   0               ; SETUPSEG
37         .word   0x1000
38         .word   0               ; pointing to kernel version string
39         .byte   0               ; = 0, old one (LILO, Loadlin,
40                                 ; 0xTV: T=0 for LILO
41                                 ;       V = version
42         .byte   1               ; Load flags bzImage=1
43         .word   0x8000          ; size to move, when setup is not
44         .long   0x100000        ; 0x100000 = default for big kernel
45         .long   0               ; address of loaded ramdisk image
46         .long   0               ; its size in bytes
47
48         .end