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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 | |
88ced031 | 14 | #ifdef __KERNEL__ |
1da177e4 LT |
15 | |
16 | #define OP_MAX_COUNTER 8 | |
17 | ||
18 | /* Per-counter configuration as set via oprofilefs. */ | |
19 | struct op_counter_config { | |
1da177e4 LT |
20 | unsigned long enabled; |
21 | unsigned long event; | |
22 | unsigned long count; | |
555d97ac | 23 | /* Classic doesn't support per-counter user/kernel selection */ |
1da177e4 | 24 | unsigned long kernel; |
1da177e4 LT |
25 | unsigned long user; |
26 | unsigned long unit_mask; | |
27 | }; | |
28 | ||
29 | /* System-wide configuration as set via oprofilefs. */ | |
30 | struct op_system_config { | |
555d97ac | 31 | #ifdef CONFIG_PPC64 |
1da177e4 LT |
32 | unsigned long mmcr0; |
33 | unsigned long mmcr1; | |
34 | unsigned long mmcra; | |
654810ec | 35 | #endif |
1da177e4 LT |
36 | unsigned long enable_kernel; |
37 | unsigned long enable_user; | |
555d97ac | 38 | #ifdef CONFIG_PPC64 |
1da177e4 | 39 | unsigned long backtrace_spinlocks; |
654810ec | 40 | #endif |
1da177e4 LT |
41 | }; |
42 | ||
43 | /* Per-arch configuration */ | |
a3e48c10 | 44 | struct op_powerpc_model { |
1da177e4 LT |
45 | void (*reg_setup) (struct op_counter_config *, |
46 | struct op_system_config *, | |
47 | int num_counters); | |
48 | void (*cpu_setup) (void *); | |
49 | void (*start) (struct op_counter_config *); | |
50 | void (*stop) (void); | |
51 | void (*handle_interrupt) (struct pt_regs *, | |
52 | struct op_counter_config *); | |
53 | int num_counters; | |
54 | }; | |
55 | ||
555d97ac | 56 | extern struct op_powerpc_model op_model_fsl_booke; |
a3e48c10 SR |
57 | extern struct op_powerpc_model op_model_rs64; |
58 | extern struct op_powerpc_model op_model_power4; | |
555d97ac | 59 | extern struct op_powerpc_model op_model_7450; |
72533db0 AB |
60 | |
61 | #ifndef CONFIG_FSL_BOOKE | |
555d97ac AF |
62 | |
63 | /* All the classic PPC parts use these */ | |
1da177e4 LT |
64 | static inline unsigned int ctr_read(unsigned int i) |
65 | { | |
66 | switch(i) { | |
67 | case 0: | |
68 | return mfspr(SPRN_PMC1); | |
69 | case 1: | |
70 | return mfspr(SPRN_PMC2); | |
71 | case 2: | |
72 | return mfspr(SPRN_PMC3); | |
73 | case 3: | |
74 | return mfspr(SPRN_PMC4); | |
75 | case 4: | |
76 | return mfspr(SPRN_PMC5); | |
77 | case 5: | |
78 | return mfspr(SPRN_PMC6); | |
555d97ac AF |
79 | |
80 | /* No PPC32 chip has more than 6 so far */ | |
81 | #ifdef CONFIG_PPC64 | |
1da177e4 LT |
82 | case 6: |
83 | return mfspr(SPRN_PMC7); | |
84 | case 7: | |
85 | return mfspr(SPRN_PMC8); | |
555d97ac | 86 | #endif |
1da177e4 LT |
87 | default: |
88 | return 0; | |
89 | } | |
90 | } | |
91 | ||
92 | static inline void ctr_write(unsigned int i, unsigned int val) | |
93 | { | |
94 | switch(i) { | |
95 | case 0: | |
96 | mtspr(SPRN_PMC1, val); | |
97 | break; | |
98 | case 1: | |
99 | mtspr(SPRN_PMC2, val); | |
100 | break; | |
101 | case 2: | |
102 | mtspr(SPRN_PMC3, val); | |
103 | break; | |
104 | case 3: | |
105 | mtspr(SPRN_PMC4, val); | |
106 | break; | |
107 | case 4: | |
108 | mtspr(SPRN_PMC5, val); | |
109 | break; | |
110 | case 5: | |
111 | mtspr(SPRN_PMC6, val); | |
112 | break; | |
555d97ac AF |
113 | |
114 | /* No PPC32 chip has more than 6, yet */ | |
115 | #ifdef CONFIG_PPC64 | |
1da177e4 LT |
116 | case 6: |
117 | mtspr(SPRN_PMC7, val); | |
118 | break; | |
119 | case 7: | |
120 | mtspr(SPRN_PMC8, val); | |
121 | break; | |
555d97ac | 122 | #endif |
1da177e4 LT |
123 | default: |
124 | break; | |
125 | } | |
126 | } | |
555d97ac | 127 | #endif /* !CONFIG_FSL_BOOKE */ |
1da177e4 | 128 | |
88ced031 | 129 | #endif /* __KERNEL__ */ |
654810ec | 130 | #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ |