xref: /rk3399_ARM-atf/plat/common/aarch64/platform_helpers.S (revision 674878464a93bb6d6bf6cb746fc4b9dba6e101ac)
1/*
2 * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <arch.h>
32#include <asm_macros.S>
33#include <platform_def.h>
34
35	.weak	plat_report_exception
36	.weak	plat_crash_console_init
37	.weak	plat_crash_console_putc
38	.weak	plat_reset_handler
39	.weak	plat_disable_acp
40
41	/* -----------------------------------------------------
42	 * Placeholder function which should be redefined by
43	 * each platform.
44	 * -----------------------------------------------------
45	 */
46func plat_report_exception
47	ret
48endfunc plat_report_exception
49
50	/* -----------------------------------------------------
51	 * Placeholder function which should be redefined by
52	 * each platform.
53	 * -----------------------------------------------------
54	 */
55func plat_crash_console_init
56	mov	x0, #0
57	ret
58endfunc plat_crash_console_init
59
60	/* -----------------------------------------------------
61	 * Placeholder function which should be redefined by
62	 * each platform.
63	 * -----------------------------------------------------
64	 */
65func plat_crash_console_putc
66	ret
67endfunc plat_crash_console_putc
68
69	/* -----------------------------------------------------
70	 * Placeholder function which should be redefined by
71	 * each platform. This function should preserve x10.
72	 * -----------------------------------------------------
73	 */
74func plat_reset_handler
75	ret
76endfunc plat_reset_handler
77
78	/* -----------------------------------------------------
79	 * Placeholder function which should be redefined by
80	 * each platform. This function is allowed to use
81	 * registers x0 - x17.
82	 * -----------------------------------------------------
83	 */
84func plat_disable_acp
85	ret
86endfunc plat_disable_acp
87