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| /*
| * Copyright (C) 2016 Vladimir Zapolskiy <vz@mleia.com>
| * Copyright (C) 2007, 2010 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #include <asm-offsets.h>
| #include <config.h>
|
| .text
| .align 2
|
| .global _start
| _start:
| #ifdef CONFIG_CPU_SH2
| .long 0x00000010 /* Ppower ON reset PC*/
| .long 0x00000000
| .long 0x00000010 /* Manual reset PC */
| .long 0x00000000
| #endif
| mov.l ._lowlevel_init, r0
| 100: bsrf r0
| nop
|
| bsr 1f
| nop
| 1: sts pr, r5
| mov.l ._reloc_dst, r4
| add #(_start-1b), r5
| mov.l ._reloc_dst_end, r6
|
| 2: mov.l @r5+, r1
| mov.l r1, @r4
| add #4, r4
| cmp/hs r6, r4
| bf 2b
|
| mov.l ._bss_start, r4
| mov.l ._bss_end, r5
| mov #0, r1
|
| 3: mov.l r1, @r4 /* bss clear */
| add #4, r4
| cmp/hs r5, r4
| bf 3b
|
| mov.l ._gd_init, r13 /* global data */
| mov.l ._stack_init, r15 /* stack */
|
| mov.l ._sh_generic_init, r0
| jsr @r0
| mov #0, r4
|
| loop:
| bra loop
|
| .align 2
|
| ._lowlevel_init: .long (lowlevel_init - (100b + 4))
| ._reloc_dst: .long _start
| ._reloc_dst_end: .long reloc_dst_end
| ._bss_start: .long bss_start
| ._bss_end: .long bss_end
| ._gd_init: .long (_start - GENERATED_GBL_DATA_SIZE)
| ._stack_init: .long (_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16)
| ._sh_generic_init: .long board_init_f
|
|
