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f9913a8e YS |
1 | /* |
2 | * (C) Copyright 2007 | |
3 | * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> | |
4 | * | |
5 | * (C) Copyright 2007 | |
6 | * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
25ddd1fb | 24 | #include <asm-offsets.h> |
f9913a8e YS |
25 | #include <config.h> |
26 | #include <version.h> | |
27 | ||
28 | .text | |
29 | .align 2 | |
30 | ||
31 | .global _start | |
32 | _start: | |
33 | mov.l ._lowlevel_init, r0 | |
34 | 100: bsrf r0 | |
35 | nop | |
36 | ||
37 | bsr 1f | |
38 | nop | |
39 | 1: sts pr, r5 | |
40 | mov.l ._reloc_dst, r4 | |
41 | add #(_start-1b), r5 | |
42 | mov.l ._reloc_dst_end, r6 | |
43 | ||
44 | 2: mov.l @r5+, r1 | |
45 | mov.l r1, @r4 | |
46 | add #4, r4 | |
47 | cmp/hs r6, r4 | |
48 | bf 2b | |
49 | ||
50 | mov.l ._bss_start, r4 | |
51 | mov.l ._bss_end, r5 | |
52 | mov #0, r1 | |
53 | ||
54 | 3: mov.l r1, @r4 /* bss clear */ | |
55 | add #4, r4 | |
56 | cmp/hs r5, r4 | |
57 | bf 3b | |
58 | ||
59 | mov.l ._gd_init, r13 /* global data */ | |
60 | mov.l ._stack_init, r15 /* stack */ | |
61 | ||
62 | mov.l ._sh_generic_init, r0 | |
63 | jsr @r0 | |
64 | nop | |
65 | ||
66 | loop: | |
67 | bra loop | |
68 | ||
69 | .align 2 | |
70 | ||
71 | ._lowlevel_init: .long (lowlevel_init - (100b + 4)) | |
72 | ._reloc_dst: .long reloc_dst | |
73 | ._reloc_dst_end: .long reloc_dst_end | |
74 | ._bss_start: .long bss_start | |
75 | ._bss_end: .long bss_end | |
25ddd1fb WD |
76 | ._gd_init: .long (_start - GENERATED_GBL_DATA_SIZE) |
77 | ._stack_init: .long (_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) | |
f9913a8e | 78 | ._sh_generic_init: .long sh_generic_init |