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Linux/arch/mips/include/asm/bugs.h

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  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 

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