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