1 /**
2  * @file arch/alpha/oprofile/op_impl.h
3  *
4  * @remark Copyright 2002 OProfile authors
5  * @remark Read the file COPYING
6  *
7  * @author Richard Henderson <rth@twiddle.net>
8  */
9 
10 #ifndef OP_IMPL_H
11 #define OP_IMPL_H 1
12 
13 extern int (*perf_irq)(void);
14 
15 /* Per-counter configuration as set via oprofilefs.  */
16 struct op_counter_config {
17 	unsigned long enabled;
18 	unsigned long event;
19 	unsigned long count;
20 	/* Dummies because I am too lazy to hack the userspace tools.  */
21 	unsigned long kernel;
22 	unsigned long user;
23 	unsigned long exl;
24 	unsigned long unit_mask;
25 };
26 
27 /* Per-architecture configure and hooks.  */
28 struct op_mips_model {
29 	void (*reg_setup) (struct op_counter_config *);
30 	void (*cpu_setup) (void *dummy);
31 	int (*init)(void);
32 	void (*exit)(void);
33 	void (*cpu_start)(void *args);
34 	void (*cpu_stop)(void *args);
35 	char *cpu_type;
36 	unsigned char num_counters;
37 };
38 
39 void op_mips_backtrace(struct pt_regs * const regs, unsigned int depth);
40 
41 #endif
42