projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | |
| 9 | #ifndef __ARM_SVC_LIB__\r | |
| 10 | #define __ARM_SVC_LIB__\r | |
| 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 | |
| 46 | #endif\r |