| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * arch/arm/include/asm/glue-pf.h |
| 4 | * |
| 5 | * Copyright (C) 1997-1999 Russell King |
| 6 | * Copyright (C) 2000-2002 Deep Blue Solutions Ltd. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 7 | */ |
| 8 | #ifndef ASM_GLUE_PF_H |
| 9 | #define ASM_GLUE_PF_H |
| 10 | |
| 11 | #include <asm/glue.h> |
| 12 | |
| 13 | /* |
| 14 | * Prefetch Abort Model |
| 15 | * ================ |
| 16 | * |
| 17 | * We have the following to choose from: |
| 18 | * legacy - no IFSR, no IFAR |
| 19 | * v6 - ARMv6: IFSR, no IFAR |
| 20 | * v7 - ARMv7: IFSR and IFAR |
| 21 | */ |
| 22 | |
| 23 | #undef CPU_PABORT_HANDLER |
| 24 | #undef MULTI_PABORT |
| 25 | |
| 26 | #ifdef CONFIG_CPU_PABRT_LEGACY |
| 27 | # ifdef CPU_PABORT_HANDLER |
| 28 | # define MULTI_PABORT 1 |
| 29 | # else |
| 30 | # define CPU_PABORT_HANDLER legacy_pabort |
| 31 | # endif |
| 32 | #endif |
| 33 | |
| 34 | #ifdef CONFIG_CPU_PABRT_V6 |
| 35 | # ifdef CPU_PABORT_HANDLER |
| 36 | # define MULTI_PABORT 1 |
| 37 | # else |
| 38 | # define CPU_PABORT_HANDLER v6_pabort |
| 39 | # endif |
| 40 | #endif |
| 41 | |
| 42 | #ifdef CONFIG_CPU_PABRT_V7 |
| 43 | # ifdef CPU_PABORT_HANDLER |
| 44 | # define MULTI_PABORT 1 |
| 45 | # else |
| 46 | # define CPU_PABORT_HANDLER v7_pabort |
| 47 | # endif |
| 48 | #endif |
| 49 | |
| 50 | #ifndef CPU_PABORT_HANDLER |
| 51 | #error Unknown prefetch abort handler type |
| 52 | #endif |
| 53 | |
| 54 | #endif |