/**
   * @file arch/alpha/oprofile/op_impl.h
   *
   * @remark Copyright 2002 OProfile authors
   * @remark Read the file COPYING
   *
   * @author Richard Henderson <rth@twiddle.net>
   */
  
  #ifndef OP_IMPL_H
  #define OP_IMPL_H 1

  extern int (*perf_irq)(void);

  /* Per-counter configuration as set via oprofilefs.  */
  struct op_counter_config {
  	unsigned long enabled;
  	unsigned long event;
  	unsigned long count;
  	/* Dummies because I am too lazy to hack the userspace tools.  */
  	unsigned long kernel;
  	unsigned long user;
  	unsigned long exl;
  	unsigned long unit_mask;
  };
  
  /* Per-architecture configury and hooks.  */
  struct op_mips_model {
  	void (*reg_setup) (struct op_counter_config *);

  	void (*cpu_setup) (void *dummy);

  	int (*init)(void);
  	void (*exit)(void);
  	void (*cpu_start)(void *args);
  	void (*cpu_stop)(void *args);
  	char *cpu_type;
  	unsigned char num_counters;
  };

  void op_mips_backtrace(struct pt_regs * const regs, unsigned int depth);

  #endif