arch/mips/include/asm/bugs.h

   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 */