projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| eac42a51 | 1 | /** @file\r |
| 2 | *\r | |
| 4d303524 | 3 | * Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>\r |
| b4e53e38 | 4 | * Copyright (c) 2012-2014, ARM Limited. All rights reserved.\r |
| eac42a51 | 5 | *\r |
| 4059386c | 6 | * SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| eac42a51 | 7 | *\r |
| 8 | **/\r | |
| 9 | \r | |
| cc15a619 PG |
10 | #ifndef ARM_SMC_LIB_H_\r |
| 11 | #define ARM_SMC_LIB_H_\r | |
| eac42a51 | 12 | \r |
| b4e53e38 OM |
13 | /**\r |
| 14 | * The size of the SMC arguments are different between AArch64 and AArch32.\r | |
| 15 | * The native size is used for the arguments.\r | |
| 16 | */\r | |
| 17 | typedef struct {\r | |
| 429309e0 MK |
18 | UINTN Arg0;\r |
| 19 | UINTN Arg1;\r | |
| 20 | UINTN Arg2;\r | |
| 21 | UINTN Arg3;\r | |
| 22 | UINTN Arg4;\r | |
| 23 | UINTN Arg5;\r | |
| 24 | UINTN Arg6;\r | |
| 25 | UINTN Arg7;\r | |
| b4e53e38 | 26 | } ARM_SMC_ARGS;\r |
| eac42a51 | 27 | \r |
| b4e53e38 OM |
28 | /**\r |
| 29 | Trigger an SMC call\r | |
| eac42a51 | 30 | \r |
| b4e53e38 OM |
31 | SMC calls can take up to 7 arguments and return up to 4 return values.\r |
| 32 | Therefore, the 4 first fields in the ARM_SMC_ARGS structure are used\r | |
| 33 | for both input and output values.\r | |
| eac42a51 | 34 | \r |
| b4e53e38 | 35 | **/\r |
| eac42a51 | 36 | VOID\r |
| b4e53e38 | 37 | ArmCallSmc (\r |
| 429309e0 | 38 | IN OUT ARM_SMC_ARGS *Args\r |
| eac42a51 | 39 | );\r |
| 40 | \r | |
| 4d303524 RC |
41 | /** Trigger an SMC call with 3 arguments.\r |
| 42 | \r | |
| 43 | @param Function The SMC function.\r | |
| 44 | @param Arg1 Argument/result.\r | |
| 45 | @param Arg2 Argument/result.\r | |
| 46 | @param Arg3 Argument/result.\r | |
| 47 | \r | |
| 48 | @return The SMC error code.\r | |
| 49 | \r | |
| 50 | **/\r | |
| 51 | UINTN\r | |
| 52 | ArmCallSmc3 (\r | |
| 53 | IN UINTN Function,\r | |
| 54 | IN OUT UINTN *Arg1 OPTIONAL,\r | |
| 55 | IN OUT UINTN *Arg2 OPTIONAL,\r | |
| 56 | IN OUT UINTN *Arg3 OPTIONAL\r | |
| 57 | );\r | |
| 58 | \r | |
| 59 | /** Trigger an SMC call with 2 arguments.\r | |
| 60 | \r | |
| 61 | @param Function The SMC function.\r | |
| 62 | @param Arg1 Argument/result.\r | |
| 63 | @param Arg2 Argument/result.\r | |
| 64 | @param Arg3 Result.\r | |
| 65 | \r | |
| 66 | @return The SMC error code.\r | |
| 67 | \r | |
| 68 | **/\r | |
| 69 | UINTN\r | |
| 70 | ArmCallSmc2 (\r | |
| 71 | IN UINTN Function,\r | |
| 72 | IN OUT UINTN *Arg1 OPTIONAL,\r | |
| 73 | IN OUT UINTN *Arg2 OPTIONAL,\r | |
| 74 | OUT UINTN *Arg3 OPTIONAL\r | |
| 75 | );\r | |
| 76 | \r | |
| 77 | /** Trigger an SMC call with 1 argument.\r | |
| 78 | \r | |
| 79 | @param Function The SMC function.\r | |
| 80 | @param Arg1 Argument/result.\r | |
| 81 | @param Arg2 Result.\r | |
| 82 | @param Arg3 Result.\r | |
| 83 | \r | |
| 84 | @return The SMC error code.\r | |
| 85 | \r | |
| 86 | **/\r | |
| 87 | UINTN\r | |
| 88 | ArmCallSmc1 (\r | |
| 89 | IN UINTN Function,\r | |
| 90 | IN OUT UINTN *Arg1 OPTIONAL,\r | |
| 91 | OUT UINTN *Arg2 OPTIONAL,\r | |
| 92 | OUT UINTN *Arg3 OPTIONAL\r | |
| 93 | );\r | |
| 94 | \r | |
| 95 | /** Trigger an SMC call with 0 arguments.\r | |
| 96 | \r | |
| 97 | @param Function The SMC function.\r | |
| 98 | @param Arg1 Result.\r | |
| 99 | @param Arg2 Result.\r | |
| 100 | @param Arg3 Result.\r | |
| 101 | \r | |
| 102 | @return The SMC error code.\r | |
| 103 | \r | |
| 104 | **/\r | |
| 105 | UINTN\r | |
| 106 | ArmCallSmc0 (\r | |
| 107 | IN UINTN Function,\r | |
| 108 | OUT UINTN *Arg1 OPTIONAL,\r | |
| 109 | OUT UINTN *Arg2 OPTIONAL,\r | |
| 110 | OUT UINTN *Arg3 OPTIONAL\r | |
| 111 | );\r | |
| 112 | \r | |
| cc15a619 | 113 | #endif // ARM_SMC_LIB_H_\r |