1
2 /*
3 * Copyright (C) 2016 The Android Open Source Project
4 *
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use, copy,
9 * modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26 /*
27 * Execute SMC call into trusty or el3
28 */
29
30 struct smc_ret8 {
31 unsigned long r0;
32 unsigned long r1;
33 unsigned long r2;
34 unsigned long r3;
35 unsigned long r4;
36 unsigned long r5;
37 unsigned long r6;
38 unsigned long r7;
39 };
40
41 struct smc_ret8 smc8(unsigned long r0,
42 unsigned long r1,
43 unsigned long r2,
44 unsigned long r3,
45 unsigned long r4,
46 unsigned long r5,
47 unsigned long r6,
48 unsigned long r7);
49
smc(unsigned long r0,unsigned long r1,unsigned long r2,unsigned long r3)50 static inline unsigned long smc(unsigned long r0,
51 unsigned long r1,
52 unsigned long r2,
53 unsigned long r3) {
54 return smc8(r0, r1, r2, r3, 0, 0, 0, 0).r0;
55 }
56