projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 9301e564 RC |
1 | /** @file\r |
| 2 | \r | |
| 3 | Architecture specific interface to RNG functionality.\r | |
| 4 | \r | |
| 5 | Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>\r | |
| 6 | \r | |
| 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 8 | \r | |
| 9 | **/\r | |
| 10 | \r | |
| 11 | #ifndef BASE_RNGLIB_INTERNALS_H_\r | |
| 12 | \r | |
| 13 | /**\r | |
| 14 | Generates a 16-bit random number.\r | |
| 15 | \r | |
| 16 | @param[out] Rand Buffer pointer to store the 16-bit random value.\r | |
| 17 | \r | |
| 18 | @retval TRUE Random number generated successfully.\r | |
| 19 | @retval FALSE Failed to generate the random number.\r | |
| 20 | \r | |
| 21 | **/\r | |
| 22 | BOOLEAN\r | |
| 23 | EFIAPI\r | |
| 24 | ArchGetRandomNumber16 (\r | |
| 2f88bd3a | 25 | OUT UINT16 *Rand\r |
| 9301e564 RC |
26 | );\r |
| 27 | \r | |
| 28 | /**\r | |
| 29 | Generates a 32-bit random number.\r | |
| 30 | \r | |
| 31 | @param[out] Rand Buffer pointer to store the 32-bit random value.\r | |
| 32 | \r | |
| 33 | @retval TRUE Random number generated successfully.\r | |
| 34 | @retval FALSE Failed to generate the random number.\r | |
| 35 | \r | |
| 36 | **/\r | |
| 37 | BOOLEAN\r | |
| 38 | EFIAPI\r | |
| 39 | ArchGetRandomNumber32 (\r | |
| 2f88bd3a | 40 | OUT UINT32 *Rand\r |
| 9301e564 RC |
41 | );\r |
| 42 | \r | |
| 43 | /**\r | |
| 44 | Generates a 64-bit random number.\r | |
| 45 | \r | |
| 46 | @param[out] Rand Buffer pointer to store the 64-bit random value.\r | |
| 47 | \r | |
| 48 | @retval TRUE Random number generated successfully.\r | |
| 49 | @retval FALSE Failed to generate the random number.\r | |
| 50 | \r | |
| 51 | **/\r | |
| 52 | BOOLEAN\r | |
| 53 | EFIAPI\r | |
| 54 | ArchGetRandomNumber64 (\r | |
| 2f88bd3a | 55 | OUT UINT64 *Rand\r |
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56 | );\r |
| 57 | \r | |
| 58 | /**\r | |
| 59 | Checks whether the RNG instruction is supported.\r | |
| 60 | \r | |
| 61 | @retval TRUE RNG instruction is supported.\r | |
| 62 | @retval FALSE RNG instruction is not supported.\r | |
| 63 | \r | |
| 64 | **/\r | |
| 65 | BOOLEAN\r | |
| 66 | EFIAPI\r | |
| 67 | ArchIsRngSupported (\r | |
| 68 | VOID\r | |
| 69 | );\r | |
| 70 | \r | |
| 71 | #if defined (MDE_CPU_AARCH64)\r | |
| 72 | \r | |
| 73 | // RNDR, Random Number\r | |
| 2f88bd3a | 74 | #define RNDR S3_3_C2_C4_0\r |
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75 | \r |
| 76 | #endif\r | |
| 77 | \r | |
| 2f88bd3a | 78 | #endif // BASE_RNGLIB_INTERNALS_H_\r |