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Diffstat (limited to 'include/asm-powerpc/oprofile_impl.h')
-rw-r--r-- | include/asm-powerpc/oprofile_impl.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/include/asm-powerpc/oprofile_impl.h b/include/asm-powerpc/oprofile_impl.h new file mode 100644 index 000000000000..8013cd273ced --- /dev/null +++ b/include/asm-powerpc/oprofile_impl.h | |||
@@ -0,0 +1,123 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM | ||
3 | * | ||
4 | * Based on alpha version. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #ifndef _ASM_POWERPC_OPROFILE_IMPL_H | ||
13 | #define _ASM_POWERPC_OPROFILE_IMPL_H | ||
14 | |||
15 | #define OP_MAX_COUNTER 8 | ||
16 | |||
17 | /* Per-counter configuration as set via oprofilefs. */ | ||
18 | struct op_counter_config { | ||
19 | #ifdef __powerpc64__ | ||
20 | unsigned long valid; | ||
21 | #endif | ||
22 | unsigned long enabled; | ||
23 | unsigned long event; | ||
24 | unsigned long count; | ||
25 | unsigned long kernel; | ||
26 | #ifdef __powerpc64__ | ||
27 | /* We dont support per counter user/kernel selection */ | ||
28 | #endif | ||
29 | unsigned long user; | ||
30 | unsigned long unit_mask; | ||
31 | }; | ||
32 | |||
33 | /* System-wide configuration as set via oprofilefs. */ | ||
34 | struct op_system_config { | ||
35 | #ifdef __powerpc64__ | ||
36 | unsigned long mmcr0; | ||
37 | unsigned long mmcr1; | ||
38 | unsigned long mmcra; | ||
39 | #endif | ||
40 | unsigned long enable_kernel; | ||
41 | unsigned long enable_user; | ||
42 | #ifdef __powerpc64__ | ||
43 | unsigned long backtrace_spinlocks; | ||
44 | #endif | ||
45 | }; | ||
46 | |||
47 | /* Per-arch configuration */ | ||
48 | struct op_powerpc_model { | ||
49 | void (*reg_setup) (struct op_counter_config *, | ||
50 | struct op_system_config *, | ||
51 | int num_counters); | ||
52 | #ifdef __powerpc64__ | ||
53 | void (*cpu_setup) (void *); | ||
54 | #endif | ||
55 | void (*start) (struct op_counter_config *); | ||
56 | void (*stop) (void); | ||
57 | void (*handle_interrupt) (struct pt_regs *, | ||
58 | struct op_counter_config *); | ||
59 | int num_counters; | ||
60 | }; | ||
61 | |||
62 | #ifdef __powerpc64__ | ||
63 | extern struct op_powerpc_model op_model_rs64; | ||
64 | extern struct op_powerpc_model op_model_power4; | ||
65 | |||
66 | static inline unsigned int ctr_read(unsigned int i) | ||
67 | { | ||
68 | switch(i) { | ||
69 | case 0: | ||
70 | return mfspr(SPRN_PMC1); | ||
71 | case 1: | ||
72 | return mfspr(SPRN_PMC2); | ||
73 | case 2: | ||
74 | return mfspr(SPRN_PMC3); | ||
75 | case 3: | ||
76 | return mfspr(SPRN_PMC4); | ||
77 | case 4: | ||
78 | return mfspr(SPRN_PMC5); | ||
79 | case 5: | ||
80 | return mfspr(SPRN_PMC6); | ||
81 | case 6: | ||
82 | return mfspr(SPRN_PMC7); | ||
83 | case 7: | ||
84 | return mfspr(SPRN_PMC8); | ||
85 | default: | ||
86 | return 0; | ||
87 | } | ||
88 | } | ||
89 | |||
90 | static inline void ctr_write(unsigned int i, unsigned int val) | ||
91 | { | ||
92 | switch(i) { | ||
93 | case 0: | ||
94 | mtspr(SPRN_PMC1, val); | ||
95 | break; | ||
96 | case 1: | ||
97 | mtspr(SPRN_PMC2, val); | ||
98 | break; | ||
99 | case 2: | ||
100 | mtspr(SPRN_PMC3, val); | ||
101 | break; | ||
102 | case 3: | ||
103 | mtspr(SPRN_PMC4, val); | ||
104 | break; | ||
105 | case 4: | ||
106 | mtspr(SPRN_PMC5, val); | ||
107 | break; | ||
108 | case 5: | ||
109 | mtspr(SPRN_PMC6, val); | ||
110 | break; | ||
111 | case 6: | ||
112 | mtspr(SPRN_PMC7, val); | ||
113 | break; | ||
114 | case 7: | ||
115 | mtspr(SPRN_PMC8, val); | ||
116 | break; | ||
117 | default: | ||
118 | break; | ||
119 | } | ||
120 | } | ||
121 | #endif /* __powerpc64__ */ | ||
122 | |||
123 | #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ | ||