xref: /openbmc/u-boot/examples/api/crt0.S (revision e77e65df)
1/*
2 * (C) Copyright 2007 Semihalf
3 *
4 * Written by: Rafal Jaworowski <raj@semihalf.com>
5 *
6 * SPDX-License-Identifier:	GPL-2.0+
7 */
8
9#if defined(CONFIG_PPC)
10
11	.text
12	.globl _start
13_start:
14	lis	%r11, search_hint@ha
15	addi	%r11, %r11, search_hint@l
16	stw	%r1, 0(%r11)
17	b	main
18
19
20	.globl syscall
21syscall:
22	lis	%r11, syscall_ptr@ha
23	addi	%r11, %r11, syscall_ptr@l
24	lwz	%r11, 0(%r11)
25	mtctr	%r11
26	bctr
27
28#elif defined(CONFIG_ARM)
29
30	.text
31	.globl _start
32_start:
33	ldr	ip, =search_hint
34	str	sp, [ip]
35	b	main
36
37
38	.globl syscall
39syscall:
40	ldr	ip, =syscall_ptr
41	ldr	pc, [ip]
42
43#else
44#error No support for this arch!
45#endif
46
47	.globl syscall_ptr
48syscall_ptr:
49	.align	4
50	.long	0
51
52	.globl search_hint
53search_hint:
54	.long   0
55