| Boyan Karatotev | e7d7c27 | 2023-01-25 16:55:18 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2023, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef CPU_OPS_H |
| 8 | #define CPU_OPS_H |
| 9 | |
| 10 | #include <arch.h> |
| 11 | |
| 12 | #define CPU_IMPL_PN_MASK (MIDR_IMPL_MASK << MIDR_IMPL_SHIFT) | \ |
| 13 | (MIDR_PN_MASK << MIDR_PN_SHIFT) |
| 14 | |
| 15 | /* Hardcode to keep compatible with assembly. sizeof(uintptr_t) */ |
| 16 | #if __aarch64__ |
| 17 | #define CPU_WORD_SIZE 8 |
| 18 | #else |
| 19 | #define CPU_WORD_SIZE 4 |
| 20 | #endif /* __aarch64__ */ |
| 21 | |
| 22 | /* The number of CPU operations allowed */ |
| 23 | #define CPU_MAX_PWR_DWN_OPS 2 |
| 24 | /* Special constant to specify that CPU has no reset function */ |
| 25 | #define CPU_NO_RESET_FUNC 0 |
| 26 | |
| 27 | #if __aarch64__ |
| 28 | #define CPU_NO_EXTRA1_FUNC 0 |
| 29 | #define CPU_NO_EXTRA2_FUNC 0 |
| 30 | #define CPU_NO_EXTRA3_FUNC 0 |
| 31 | #endif /* __aarch64__ */ |
| 32 | |
| 33 | |
| 34 | /* |
| 35 | * Define the sizes of the fields in the cpu_ops structure. Word size is set per |
| 36 | * Aarch so keep these definitions the same and each can include whatever it |
| 37 | * needs. |
| 38 | */ |
| 39 | #define CPU_MIDR_SIZE CPU_WORD_SIZE |
| 40 | #ifdef IMAGE_AT_EL3 |
| 41 | #define CPU_RESET_FUNC_SIZE CPU_WORD_SIZE |
| 42 | #else |
| 43 | #define CPU_RESET_FUNC_SIZE 0 |
| 44 | #endif /* IMAGE_AT_EL3 */ |
| 45 | #define CPU_EXTRA1_FUNC_SIZE CPU_WORD_SIZE |
| 46 | #define CPU_EXTRA2_FUNC_SIZE CPU_WORD_SIZE |
| 47 | #define CPU_EXTRA3_FUNC_SIZE CPU_WORD_SIZE |
| 48 | #define CPU_E_HANDLER_FUNC_SIZE CPU_WORD_SIZE |
| 49 | /* The power down core and cluster is needed only in BL31 and BL32 */ |
| 50 | #if defined(IMAGE_BL31) || defined(IMAGE_BL32) |
| 51 | #define CPU_PWR_DWN_OPS_SIZE CPU_WORD_SIZE * CPU_MAX_PWR_DWN_OPS |
| 52 | #else |
| 53 | #define CPU_PWR_DWN_OPS_SIZE 0 |
| 54 | #endif /* defined(IMAGE_BL31) || defined(IMAGE_BL32) */ |
| 55 | |
| 56 | /* Fields required to print errata status */ |
| 57 | #if REPORT_ERRATA |
| 58 | #define CPU_ERRATA_FUNC_SIZE CPU_WORD_SIZE |
| 59 | /* BL1 doesn't require mutual exclusion and printed flag. */ |
| 60 | #if defined(IMAGE_BL31) || defined(IMAGE_BL32) |
| 61 | #define CPU_ERRATA_LOCK_SIZE CPU_WORD_SIZE |
| 62 | #define CPU_ERRATA_PRINTED_SIZE CPU_WORD_SIZE |
| 63 | #else |
| 64 | #define CPU_ERRATA_LOCK_SIZE 0 |
| 65 | #define CPU_ERRATA_PRINTED_SIZE 0 |
| 66 | #endif /* defined(IMAGE_BL31) || defined(IMAGE_BL32) */ |
| 67 | #else |
| 68 | #define CPU_ERRATA_FUNC_SIZE 0 |
| 69 | #define CPU_ERRATA_LOCK_SIZE 0 |
| 70 | #define CPU_ERRATA_PRINTED_SIZE 0 |
| 71 | #endif /* REPORT_ERRATA */ |
| 72 | |
| 73 | #if defined(IMAGE_BL31) && CRASH_REPORTING |
| 74 | #define CPU_REG_DUMP_SIZE CPU_WORD_SIZE |
| 75 | #else |
| 76 | #define CPU_REG_DUMP_SIZE 0 |
| 77 | #endif /* defined(IMAGE_BL31) && CRASH_REPORTING */ |
| 78 | |
| 79 | |
| 80 | /* |
| 81 | * Define the offsets to the fields in cpu_ops structure. Every offset is |
| 82 | * defined based on the offset and size of the previous field. |
| 83 | */ |
| 84 | #define CPU_MIDR 0 |
| 85 | #define CPU_RESET_FUNC CPU_MIDR + CPU_MIDR_SIZE |
| 86 | #if __aarch64__ |
| 87 | #define CPU_EXTRA1_FUNC CPU_RESET_FUNC + CPU_RESET_FUNC_SIZE |
| 88 | #define CPU_EXTRA2_FUNC CPU_EXTRA1_FUNC + CPU_EXTRA1_FUNC_SIZE |
| 89 | #define CPU_EXTRA3_FUNC CPU_EXTRA2_FUNC + CPU_EXTRA2_FUNC_SIZE |
| 90 | #define CPU_E_HANDLER_FUNC CPU_EXTRA3_FUNC + CPU_EXTRA3_FUNC_SIZE |
| 91 | #define CPU_PWR_DWN_OPS CPU_E_HANDLER_FUNC + CPU_E_HANDLER_FUNC_SIZE |
| 92 | #else |
| 93 | #define CPU_PWR_DWN_OPS CPU_RESET_FUNC + CPU_RESET_FUNC_SIZE |
| 94 | #endif /* __aarch64__ */ |
| 95 | #define CPU_ERRATA_FUNC CPU_PWR_DWN_OPS + CPU_PWR_DWN_OPS_SIZE |
| 96 | #define CPU_ERRATA_LOCK CPU_ERRATA_FUNC + CPU_ERRATA_FUNC_SIZE |
| 97 | #define CPU_ERRATA_PRINTED CPU_ERRATA_LOCK + CPU_ERRATA_LOCK_SIZE |
| 98 | #if __aarch64__ |
| 99 | #define CPU_REG_DUMP CPU_ERRATA_PRINTED + CPU_ERRATA_PRINTED_SIZE |
| 100 | #define CPU_OPS_SIZE CPU_REG_DUMP + CPU_REG_DUMP_SIZE |
| 101 | #else |
| 102 | #define CPU_OPS_SIZE CPU_ERRATA_PRINTED + CPU_ERRATA_PRINTED_SIZE |
| 103 | #endif /* __aarch64__ */ |
| 104 | |
| 105 | #endif /* CPU_OPS_H */ |