LXR linux/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
  19extern int daddiu_bug;
  20
  21extern void check_bugs64_early(void);
  22
  23extern void check_bugs32(void);
  24extern void check_bugs64(void);
  25
  26static inline void check_bugs_early(void)
  27{
  28#ifdef CONFIG_64BIT
  29        check_bugs64_early();
  30#endif
  31}
  32
  33static 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
  44static 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