| Sona Mathew | 7fe0352 | 2022-11-18 18:05:38 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2023, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef ERRATA_ABI_SVC_H |
| 8 | #define ERRATA_ABI_SVC_H |
| 9 | |
| 10 | #include <lib/smccc.h> |
| 11 | |
| 12 | #define ARM_EM_VERSION U(0x840000F0) |
| 13 | #define ARM_EM_FEATURES U(0x840000F1) |
| 14 | #define ARM_EM_CPU_ERRATUM_FEATURES U(0x840000F2) |
| 15 | |
| 16 | /* EM version numbers */ |
| 17 | #define EM_VERSION_MAJOR (0x1) |
| 18 | #define EM_VERSION_MINOR (0x0) |
| 19 | |
| 20 | /* EM CPU_ERRATUM_FEATURES return codes */ |
| 21 | #define EM_HIGHER_EL_MITIGATION (3) |
| 22 | #define EM_NOT_AFFECTED (2) |
| 23 | #define EM_AFFECTED (1) |
| 24 | #define EM_SUCCESS (0) |
| 25 | #define EM_NOT_SUPPORTED (-1) |
| 26 | #define EM_INVALID_PARAMETERS (-2) |
| 27 | #define EM_UNKNOWN_ERRATUM (-3) |
| 28 | |
| 29 | #if ERRATA_ABI_SUPPORT |
| 30 | bool is_errata_fid(uint32_t smc_fid); |
| 31 | #else |
| 32 | static inline bool is_errata_fid(uint32_t smc_fid) |
| 33 | { |
| 34 | return false; |
| 35 | } |
| 36 | #endif /* ERRATA_ABI_SUPPORT */ |
| 37 | uintptr_t errata_abi_smc_handler( |
| 38 | uint32_t smc_fid, |
| 39 | u_register_t x1, |
| 40 | u_register_t x2, |
| 41 | u_register_t x3, |
| 42 | u_register_t x4, |
| 43 | void *cookie, |
| 44 | void *handle, |
| 45 | u_register_t flags |
| 46 | ); |
| 47 | #endif /* ERRATA_ABI_SVC_H */ |
| 48 | |