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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; | |
1da177e4 LT |
38 | }; |
39 | ||
40 | /* Per-arch configuration */ | |
a3e48c10 | 41 | struct op_powerpc_model { |
1da177e4 LT |
42 | void (*reg_setup) (struct op_counter_config *, |
43 | struct op_system_config *, | |
44 | int num_counters); | |
45 | void (*cpu_setup) (void *); | |
46 | void (*start) (struct op_counter_config *); | |
47 | void (*stop) (void); | |
48 | void (*handle_interrupt) (struct pt_regs *, | |
49 | struct op_counter_config *); | |
50 | int num_counters; | |
51 | }; | |
52 | ||
555d97ac | 53 | extern struct op_powerpc_model op_model_fsl_booke; |
a3e48c10 SR |
54 | extern struct op_powerpc_model op_model_rs64; |
55 | extern struct op_powerpc_model op_model_power4; | |
555d97ac | 56 | extern struct op_powerpc_model op_model_7450; |
72533db0 AB |
57 | |
58 | #ifndef CONFIG_FSL_BOOKE | |
555d97ac AF |
59 | |
60 | /* All the classic PPC parts use these */ | |
1da177e4 LT |
61 | static inline unsigned int ctr_read(unsigned int i) |
62 | { | |
63 | switch(i) { | |
64 | case 0: | |
65 | return mfspr(SPRN_PMC1); | |
66 | case 1: | |
67 | return mfspr(SPRN_PMC2); | |
68 | case 2: | |
69 | return mfspr(SPRN_PMC3); | |
70 | case 3: | |
71 | return mfspr(SPRN_PMC4); | |
72 | case 4: | |
73 | return mfspr(SPRN_PMC5); | |
74 | case 5: | |
75 | return mfspr(SPRN_PMC6); | |
555d97ac AF |
76 | |
77 | /* No PPC32 chip has more than 6 so far */ | |
78 | #ifdef CONFIG_PPC64 | |
1da177e4 LT |
79 | case 6: |
80 | return mfspr(SPRN_PMC7); | |
81 | case 7: | |
82 | return mfspr(SPRN_PMC8); | |
555d97ac | 83 | #endif |
1da177e4 LT |
84 | default: |
85 | return 0; | |
86 | } | |
87 | } | |
88 | ||
89 | static inline void ctr_write(unsigned int i, unsigned int val) | |
90 | { | |
91 | switch(i) { | |
92 | case 0: | |
93 | mtspr(SPRN_PMC1, val); | |
94 | break; | |
95 | case 1: | |
96 | mtspr(SPRN_PMC2, val); | |
97 | break; | |
98 | case 2: | |
99 | mtspr(SPRN_PMC3, val); | |
100 | break; | |
101 | case 3: | |
102 | mtspr(SPRN_PMC4, val); | |
103 | break; | |
104 | case 4: | |
105 | mtspr(SPRN_PMC5, val); | |
106 | break; | |
107 | case 5: | |
108 | mtspr(SPRN_PMC6, val); | |
109 | break; | |
555d97ac AF |
110 | |
111 | /* No PPC32 chip has more than 6, yet */ | |
112 | #ifdef CONFIG_PPC64 | |
1da177e4 LT |
113 | case 6: |
114 | mtspr(SPRN_PMC7, val); | |
115 | break; | |
116 | case 7: | |
117 | mtspr(SPRN_PMC8, val); | |
118 | break; | |
555d97ac | 119 | #endif |
1da177e4 LT |
120 | default: |
121 | break; | |
122 | } | |
123 | } | |
555d97ac | 124 | #endif /* !CONFIG_FSL_BOOKE */ |
1da177e4 | 125 | |
6c6bd754 BR |
126 | extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth); |
127 | ||
88ced031 | 128 | #endif /* __KERNEL__ */ |
654810ec | 129 | #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ |