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 #include <linux/smp.h> 15 16 #include <asm/cpu.h> 17 #include <asm/cpu-info.h> 18 19 extern int daddiu_bug; 20 21 extern void check_bugs64_early(void); 22 23 extern void check_bugs32(void); 24 extern void check_bugs64(void); 25 26 static inline void check_bugs_early(void) 27 { 28 #ifdef CONFIG_64BIT 29 check_bugs64_early(); 30 #endif 31 } 32 33 static inline void check_bugs(void) 34 { 35 unsigned int cpu = smp_processor_id(); 36 37 cpu_data[cpu].udelay_val = loops_per_jiffy; 38 check_bugs32(); 39 #ifdef CONFIG_64BIT 40 check_bugs64(); 41 #endif 42 } 43 44 static inline int r4k_daddiu_bug(void) 45 { 46 #ifdef CONFIG_64BIT 47 WARN_ON(daddiu_bug < 0); 48 return daddiu_bug != 0; 49 #else 50 return 0; 51 #endif 52 } 53 54 #endif /* _ASM_BUGS_H */ 55