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Diffstat (limited to 'include/services/errata_abi_svc.h')
| -rw-r--r-- | include/services/errata_abi_svc.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/services/errata_abi_svc.h b/include/services/errata_abi_svc.h new file mode 100644 index 000000000..12500661b --- /dev/null +++ b/include/services/errata_abi_svc.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2023, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ERRATA_ABI_SVC_H +#define ERRATA_ABI_SVC_H + +#include <lib/smccc.h> + +#define ARM_EM_VERSION U(0x840000F0) +#define ARM_EM_FEATURES U(0x840000F1) +#define ARM_EM_CPU_ERRATUM_FEATURES U(0x840000F2) + +/* EM version numbers */ +#define EM_VERSION_MAJOR (0x1) +#define EM_VERSION_MINOR (0x0) + +/* EM CPU_ERRATUM_FEATURES return codes */ +#define EM_HIGHER_EL_MITIGATION (3) +#define EM_NOT_AFFECTED (2) +#define EM_AFFECTED (1) +#define EM_SUCCESS (0) +#define EM_NOT_SUPPORTED (-1) +#define EM_INVALID_PARAMETERS (-2) +#define EM_UNKNOWN_ERRATUM (-3) + +#if ERRATA_ABI_SUPPORT +bool is_errata_fid(uint32_t smc_fid); +#else +static inline bool is_errata_fid(uint32_t smc_fid) +{ + return false; +} +#endif /* ERRATA_ABI_SUPPORT */ +uintptr_t errata_abi_smc_handler( + uint32_t smc_fid, + u_register_t x1, + u_register_t x2, + u_register_t x3, + u_register_t x4, + void *cookie, + void *handle, + u_register_t flags +); +#endif /* ERRATA_ABI_SVC_H */ + |