projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /* |
| 3 | * This is included by init/main.c to check for architecture-dependent bugs. | |
| 4 | * | |
| 20d60d99 MR |
5 | * Copyright (C) 2007 Maciej W. Rozycki |
| 6 | * | |
| 1da177e4 LT |
7 | * Needs: |
| 8 | * void check_bugs(void); | |
| 9 | */ | |
| 10 | #ifndef _ASM_BUGS_H | |
| 11 | #define _ASM_BUGS_H | |
| 12 | ||
| 20d60d99 | 13 | #include <linux/bug.h> |
| 38551576 | 14 | #include <linux/delay.h> |
| 631330f5 | 15 | #include <linux/smp.h> |
| 20d60d99 | 16 | |
| f03da6e2 RB |
17 | #include <asm/cpu.h> |
| 18 | #include <asm/cpu-info.h> | |
| 1da177e4 | 19 | |
| 20d60d99 MR |
20 | extern int daddiu_bug; |
| 21 | ||
| 22 | extern void check_bugs64_early(void); | |
| 23 | ||
| 1da177e4 LT |
24 | extern void check_bugs32(void); |
| 25 | extern void check_bugs64(void); | |
| 26 | ||
| 20d60d99 MR |
27 | static inline void check_bugs_early(void) |
| 28 | { | |
| 29 | #ifdef CONFIG_64BIT | |
| 30 | check_bugs64_early(); | |
| 31 | #endif | |
| 32 | } | |
| 33 | ||
| 1da177e4 LT |
34 | static inline void check_bugs(void) |
| 35 | { | |
| f03da6e2 RB |
36 | unsigned int cpu = smp_processor_id(); |
| 37 | ||
| 38 | cpu_data[cpu].udelay_val = loops_per_jiffy; | |
| 1da177e4 | 39 | check_bugs32(); |
| 875d43e7 | 40 | #ifdef CONFIG_64BIT |
| 1da177e4 LT |
41 | check_bugs64(); |
| 42 | #endif | |
| 43 | } | |
| 44 | ||
| 20d60d99 MR |
45 | static inline int r4k_daddiu_bug(void) |
| 46 | { | |
| 47 | #ifdef CONFIG_64BIT | |
| 48 | WARN_ON(daddiu_bug < 0); | |
| 49 | return daddiu_bug != 0; | |
| 50 | #else | |
| 51 | return 0; | |
| 52 | #endif | |
| 53 | } | |
| 54 | ||
| 1da177e4 | 55 | #endif /* _ASM_BUGS_H */ |