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4d163696 SV |
1 | /** @file\r |
2 | *\r | |
3 | * Copyright (c) 2016 - 2017, ARM Limited. All rights reserved.\r | |
4 | *\r | |
4059386c | 5 | * SPDX-License-Identifier: BSD-2-Clause-Patent\r |
4d163696 SV |
6 | *\r |
7 | **/\r | |
8 | \r | |
cc15a619 PG |
9 | #ifndef ARM_SVC_LIB_H_\r |
10 | #define ARM_SVC_LIB_H_\r | |
4d163696 SV |
11 | \r |
12 | /**\r | |
13 | * The size of the SVC arguments are different between AArch64 and AArch32.\r | |
14 | * The native size is used for the arguments.\r | |
15 | */\r | |
16 | typedef struct {\r | |
17 | UINTN Arg0;\r | |
18 | UINTN Arg1;\r | |
19 | UINTN Arg2;\r | |
20 | UINTN Arg3;\r | |
21 | UINTN Arg4;\r | |
22 | UINTN Arg5;\r | |
23 | UINTN Arg6;\r | |
24 | UINTN Arg7;\r | |
25 | } ARM_SVC_ARGS;\r | |
26 | \r | |
27 | /**\r | |
28 | Trigger an SVC call\r | |
29 | \r | |
af0c597e AG |
30 | SVC calls can take up to 8 arguments and return up to 8 return values.\r |
31 | Therefore, the 8 first fields in the ARM_SVC_ARGS structure are used\r | |
4d163696 SV |
32 | for both input and output values.\r |
33 | \r | |
af0c597e AG |
34 | @param[in, out] Args Arguments to be passed as part of the SVC call\r |
35 | The return values of the SVC call are also placed\r | |
36 | in the same structure\r | |
37 | \r | |
38 | @retval None\r | |
39 | \r | |
4d163696 SV |
40 | **/\r |
41 | VOID\r | |
42 | ArmCallSvc (\r | |
43 | IN OUT ARM_SVC_ARGS *Args\r | |
44 | );\r | |
45 | \r | |
cc15a619 | 46 | #endif // ARM_SVC_LIB_H_\r |