projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 0b135cfc | 1 | /* |
| 2024b968 | 2 | * (C) Copyright 2007, 2010 |
| 0b135cfc NI |
3 | * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
| 4 | * | |
| 1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 0b135cfc NI |
6 | */ |
| 7 | ||
| 25ddd1fb | 8 | #include <asm-offsets.h> |
| 0b135cfc NI |
9 | #include <config.h> |
| 10 | #include <version.h> | |
| 11 | ||
| 12 | .text | |
| 13 | .align 2 | |
| 14 | ||
| 15 | .global _start | |
| 2024b968 | 16 | _sh_start: |
| 0b135cfc NI |
17 | mov.l ._lowlevel_init, r0 |
| 18 | 100: bsrf r0 | |
| 19 | nop | |
| 20 | ||
| 21 | bsr 1f | |
| 22 | nop | |
| 23 | 1: sts pr, r5 | |
| 61fb15c5 | 24 | mov.l ._reloc_dst, r4 |
| 2024b968 | 25 | add #(_sh_start-1b), r5 |
| 61fb15c5 | 26 | mov.l ._reloc_dst_end, r6 |
| 0b135cfc NI |
27 | |
| 28 | 2: mov.l @r5+, r1 | |
| 29 | mov.l r1, @r4 | |
| 30 | add #4, r4 | |
| 31 | cmp/hs r6, r4 | |
| 32 | bf 2b | |
| 61fb15c5 WD |
33 | |
| 34 | mov.l ._bss_start, r4 | |
| 35 | mov.l ._bss_end, r5 | |
| 0b135cfc NI |
36 | mov #0, r1 |
| 37 | ||
| 61fb15c5 | 38 | 3: mov.l r1, @r4 /* bss clear */ |
| 0b135cfc NI |
39 | add #4, r4 |
| 40 | cmp/hs r5, r4 | |
| 41 | bf 3b | |
| 42 | ||
| 43 | mov.l ._gd_init, r13 /* global data */ | |
| 44 | mov.l ._stack_init, r15 /* stack */ | |
| 45 | ||
| 46 | mov.l ._sh_generic_init, r0 | |
| 61fb15c5 WD |
47 | jsr @r0 |
| 48 | nop | |
| 0b135cfc NI |
49 | |
| 50 | loop: | |
| 51 | bra loop | |
| 52 | ||
| 53 | .align 2 | |
| 54 | ||
| 55 | ._lowlevel_init: .long (lowlevel_init - (100b + 4)) | |
| 56 | ._reloc_dst: .long reloc_dst | |
| 57 | ._reloc_dst_end: .long reloc_dst_end | |
| 58 | ._bss_start: .long bss_start | |
| 59 | ._bss_end: .long bss_end | |
| 2024b968 NI |
60 | ._gd_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE) |
| 61 | ._stack_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) | |
| 0b135cfc | 62 | ._sh_generic_init: .long sh_generic_init |