1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
*
* Based on alpha version.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ASM_POWERPC_OPROFILE_IMPL_H
#define _ASM_POWERPC_OPROFILE_IMPL_H
#ifdef __KERNEL__
#define OP_MAX_COUNTER 8
/* Per-counter configuration as set via oprofilefs. */
struct op_counter_config {
#ifdef __powerpc64__
unsigned long valid;
#endif
unsigned long enabled;
unsigned long event;
unsigned long count;
/* Classic doesn't support per-counter user/kernel selection */
unsigned long kernel;
unsigned long user;
unsigned long unit_mask;
};
/* System-wide configuration as set via oprofilefs. */
struct op_system_config {
#ifdef CONFIG_PPC64
unsigned long mmcr0;
unsigned long mmcr1;
unsigned long mmcra;
#endif
unsigned long enable_kernel;
unsigned long enable_user;
#ifdef CONFIG_PPC64
unsigned long backtrace_spinlocks;
#endif
};
/* Per-arch configuration */
struct op_powerpc_model {
void (*reg_setup) (struct op_counter_config *,
struct op_system_config *,
int num_counters);
void (*cpu_setup) (void *);
void (*start) (struct op_counter_config *);
void (*stop) (void);
void (*handle_interrupt) (struct pt_regs *,
struct op_counter_config *);
int num_counters;
};
#ifdef CONFIG_FSL_BOOKE
extern struct op_powerpc_model op_model_fsl_booke;
#else /* Otherwise, it's classic */
#ifdef CONFIG_PPC64
extern struct op_powerpc_model op_model_rs64;
extern struct op_powerpc_model op_model_power4;
#else /* Otherwise, CONFIG_PPC32 */
extern struct op_powerpc_model op_model_7450;
#endif
/* All the classic PPC parts use these */
static inline unsigned int ctr_read(unsigned int i)
{
switch(i) {
case 0:
return mfspr(SPRN_PMC1);
case 1:
return mfspr(SPRN_PMC2);
case 2:
return mfspr(SPRN_PMC3);
case 3:
return mfspr(SPRN_PMC4);
case 4:
return mfspr(SPRN_PMC5);
case 5:
return mfspr(SPRN_PMC6);
/* No PPC32 chip has more than 6 so far */
#ifdef CONFIG_PPC64
case 6:
return mfspr(SPRN_PMC7);
case 7:
return mfspr(SPRN_PMC8);
#endif
default:
return 0;
}
}
static inline void ctr_write(unsigned int i, unsigned int val)
{
switch(i) {
case 0:
mtspr(SPRN_PMC1, val);
break;
case 1:
mtspr(SPRN_PMC2, val);
break;
case 2:
mtspr(SPRN_PMC3, val);
break;
case 3:
mtspr(SPRN_PMC4, val);
break;
case 4:
mtspr(SPRN_PMC5, val);
break;
case 5:
mtspr(SPRN_PMC6, val);
break;
/* No PPC32 chip has more than 6, yet */
#ifdef CONFIG_PPC64
case 6:
mtspr(SPRN_PMC7, val);
break;
case 7:
mtspr(SPRN_PMC8, val);
break;
#endif
default:
break;
}
}
#endif /* !CONFIG_FSL_BOOKE */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_OPROFILE_IMPL_H */
|
