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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Stephen Rothwell654810e2005-09-19 23:21:15 +100012#ifndef _ASM_POWERPC_OPROFILE_IMPL_H
13#define _ASM_POWERPC_OPROFILE_IMPL_H
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
15#define OP_MAX_COUNTER 8
16
17/* Per-counter configuration as set via oprofilefs. */
18struct op_counter_config {
Stephen Rothwell654810e2005-09-19 23:21:15 +100019#ifdef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070020 unsigned long valid;
Stephen Rothwell654810e2005-09-19 23:21:15 +100021#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070022 unsigned long enabled;
23 unsigned long event;
24 unsigned long count;
25 unsigned long kernel;
Stephen Rothwell654810e2005-09-19 23:21:15 +100026#ifdef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070027 /* We dont support per counter user/kernel selection */
Stephen Rothwell654810e2005-09-19 23:21:15 +100028#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 unsigned long user;
30 unsigned long unit_mask;
31};
32
33/* System-wide configuration as set via oprofilefs. */
34struct op_system_config {
Stephen Rothwell654810e2005-09-19 23:21:15 +100035#ifdef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070036 unsigned long mmcr0;
37 unsigned long mmcr1;
38 unsigned long mmcra;
Stephen Rothwell654810e2005-09-19 23:21:15 +100039#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070040 unsigned long enable_kernel;
41 unsigned long enable_user;
Stephen Rothwell654810e2005-09-19 23:21:15 +100042#ifdef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 unsigned long backtrace_spinlocks;
Stephen Rothwell654810e2005-09-19 23:21:15 +100044#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070045};
46
47/* Per-arch configuration */
Stephen Rothwella3e48c12005-09-19 23:18:31 +100048struct op_powerpc_model {
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 void (*reg_setup) (struct op_counter_config *,
50 struct op_system_config *,
51 int num_counters);
Stephen Rothwell654810e2005-09-19 23:21:15 +100052#ifdef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 void (*cpu_setup) (void *);
Stephen Rothwell654810e2005-09-19 23:21:15 +100054#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 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
Stephen Rothwell654810e2005-09-19 23:21:15 +100062#ifdef __powerpc64__
Stephen Rothwella3e48c12005-09-19 23:18:31 +100063extern struct op_powerpc_model op_model_rs64;
64extern struct op_powerpc_model op_model_power4;
Anton Blancharddca85932005-09-06 14:55:35 +100065
Linus Torvalds1da177e2005-04-16 15:20:36 -070066static 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
90static 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}
Stephen Rothwell654810e2005-09-19 23:21:15 +1000121#endif /* __powerpc64__ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
Stephen Rothwell654810e2005-09-19 23:21:15 +1000123#endif /* _ASM_POWERPC_OPROFILE_IMPL_H */