blob: 7a934e24d4077b2423094cb440b803d7d2cf445f [file] [log] [blame]
/*
* (C) Copyright 2007
* Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
*
* (C) Copyright 2007
* Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm-offsets.h>
#include <config.h>
.text
.align 2
.global _start
_sh_start:
mov.l ._lowlevel_init, r0
100: bsrf r0
nop
bsr 1f
nop
1: sts pr, r5
mov.l ._reloc_dst, r4
add #(_sh_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
nop
loop:
bra loop
.align 2
._lowlevel_init: .long (lowlevel_init - (100b + 4))
._reloc_dst: .long reloc_dst
._reloc_dst_end: .long reloc_dst_end
._bss_start: .long bss_start
._bss_end: .long bss_end
._gd_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE)
._stack_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16)
._sh_generic_init: .long sh_generic_init