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1da177e4 LT |
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 | ||
654810ec SR |
12 | #ifndef _ASM_POWERPC_OPROFILE_IMPL_H |
13 | #define _ASM_POWERPC_OPROFILE_IMPL_H | |
1da177e4 LT |
14 | |
15 | #define OP_MAX_COUNTER 8 | |
16 | ||
17 | /* Per-counter configuration as set via oprofilefs. */ | |
18 | struct op_counter_config { | |
654810ec | 19 | #ifdef __powerpc64__ |
1da177e4 | 20 | unsigned long valid; |
654810ec | 21 | #endif |
1da177e4 LT |
22 | unsigned long enabled; |
23 | unsigned long event; | |
24 | unsigned long count; | |
25 | unsigned long kernel; | |
654810ec | 26 | #ifdef __powerpc64__ |
1da177e4 | 27 | /* We dont support per counter user/kernel selection */ |
654810ec | 28 | #endif |
1da177e4 LT |
29 | unsigned long user; |
30 | unsigned long unit_mask; | |
31 | }; | |
32 | ||
33 | /* System-wide configuration as set via oprofilefs. */ | |
34 | struct op_system_config { | |
654810ec | 35 | #ifdef __powerpc64__ |
1da177e4 LT |
36 | unsigned long mmcr0; |
37 | unsigned long mmcr1; | |
38 | unsigned long mmcra; | |
654810ec | 39 | #endif |
1da177e4 LT |
40 | unsigned long enable_kernel; |
41 | unsigned long enable_user; | |
654810ec | 42 | #ifdef __powerpc64__ |
1da177e4 | 43 | unsigned long backtrace_spinlocks; |
654810ec | 44 | #endif |
1da177e4 LT |
45 | }; |
46 | ||
47 | /* Per-arch configuration */ | |
a3e48c10 | 48 | struct op_powerpc_model { |
1da177e4 LT |
49 | void (*reg_setup) (struct op_counter_config *, |
50 | struct op_system_config *, | |
51 | int num_counters); | |
654810ec | 52 | #ifdef __powerpc64__ |
1da177e4 | 53 | void (*cpu_setup) (void *); |
654810ec | 54 | #endif |
1da177e4 LT |
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 | ||
654810ec | 62 | #ifdef __powerpc64__ |
a3e48c10 SR |
63 | extern struct op_powerpc_model op_model_rs64; |
64 | extern struct op_powerpc_model op_model_power4; | |
dca85932 | 65 | |
1da177e4 LT |
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 | } | |
654810ec | 121 | #endif /* __powerpc64__ */ |
1da177e4 | 122 | |
654810ec | 123 | #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ |