1 /* 2 * This is included by init/main.c to check for architecture-dependent bugs. 3 * 4 * Copyright (C) 2007 Maciej W. Rozycki 5 * 6 * Needs: 7 * void check_bugs(void); 8 */ 9 #ifndef _ASM_BUGS_H 10 #define _ASM_BUGS_H 11 12 #include <linux/bug.h> 13 #include <linux/delay.h> 14 15 #include <asm/cpu.h> 16 #include <asm/cpu-info.h> 17 18 extern int daddiu_bug; 19 20 extern void check_bugs64_early(void); 21 22 extern void check_bugs32(void); 23 extern void check_bugs64(void); 24 25 static inline void check_bugs_early(void) 26 { 27 #ifdef CONFIG_64BIT 28 check_bugs64_early(); 29 #endif 30 } 31 32 static inline void check_bugs(void) 33 { 34 unsigned int cpu = smp_processor_id(); 35 36 cpu_data[cpu].udelay_val = loops_per_jiffy; 37 check_bugs32(); 38 #ifdef CONFIG_64BIT 39 check_bugs64(); 40 #endif 41 } 42 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 53 #endif /* _ASM_BUGS_H */ 54