projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| eac42a51 | 1 | /** @file\r |
| 2 | *\r | |
| b4e53e38 | 3 | * Copyright (c) 2012-2014, ARM Limited. All rights reserved.\r |
| eac42a51 | 4 | *\r |
| 4059386c | 5 | * SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| eac42a51 | 6 | *\r |
| 7 | **/\r | |
| 8 | \r | |
| cc15a619 PG |
9 | #ifndef ARM_SMC_LIB_H_\r |
| 10 | #define ARM_SMC_LIB_H_\r | |
| eac42a51 | 11 | \r |
| b4e53e38 OM |
12 | /**\r |
| 13 | * The size of the SMC arguments are different between AArch64 and AArch32.\r | |
| 14 | * The native size is used for the arguments.\r | |
| 15 | */\r | |
| 16 | typedef struct {\r | |
| 429309e0 MK |
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 | |
| b4e53e38 | 25 | } ARM_SMC_ARGS;\r |
| eac42a51 | 26 | \r |
| b4e53e38 OM |
27 | /**\r |
| 28 | Trigger an SMC call\r | |
| eac42a51 | 29 | \r |
| b4e53e38 OM |
30 | SMC calls can take up to 7 arguments and return up to 4 return values.\r |
| 31 | Therefore, the 4 first fields in the ARM_SMC_ARGS structure are used\r | |
| 32 | for both input and output values.\r | |
| eac42a51 | 33 | \r |
| b4e53e38 | 34 | **/\r |
| eac42a51 | 35 | VOID\r |
| b4e53e38 | 36 | ArmCallSmc (\r |
| 429309e0 | 37 | IN OUT ARM_SMC_ARGS *Args\r |
| eac42a51 | 38 | );\r |
| 39 | \r | |
| cc15a619 | 40 | #endif // ARM_SMC_LIB_H_\r |