include/asm-mips/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
  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 */