blob: b6e4b31abcfd62e65c427e5a6be9bede3207b3ca [file] [log] [blame]
Varun Wadekara0352ab2017-03-14 14:24:35 -07001/*
2 * Copyright (c) 2015-2016, 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
34 .globl nvg_set_request_data
35 .globl nvg_set_request
36 .globl nvg_get_result
37
38/* void nvg_set_request_data(uint64_t req, uint64_t data) */
39func nvg_set_request_data
40 msr s3_0_c15_c1_2, x0
41 msr s3_0_c15_c1_3, x1
Varun Wadekara0352ab2017-03-14 14:24:35 -070042 ret
43endfunc nvg_set_request_data
44
45/* void nvg_set_request(uint64_t req) */
46func nvg_set_request
47 msr s3_0_c15_c1_2, x0
48 ret
49endfunc nvg_set_request
50
51/* uint64_t nvg_get_result(void) */
52func nvg_get_result
53 mrs x0, s3_0_c15_c1_3
54 ret
55endfunc nvg_get_result