2 * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
4 * Based on alpha version.
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.
15 #define OP_MAX_COUNTER 8
17 /* Per-counter configuration as set via oprofilefs. */
18 struct op_counter_config {
20 unsigned long enabled;
24 /* We dont support per counter user/kernel selection */
26 unsigned long unit_mask;
29 /* System-wide configuration as set via oprofilefs. */
30 struct op_system_config {
34 unsigned long enable_kernel;
35 unsigned long enable_user;
36 unsigned long backtrace_spinlocks;
39 /* Per-arch configuration */
40 struct op_ppc64_model {
41 void (*reg_setup) (struct op_counter_config *,
42 struct op_system_config *,
44 void (*cpu_setup) (void *);
45 void (*start) (struct op_counter_config *);
47 void (*handle_interrupt) (struct pt_regs *,
48 struct op_counter_config *);
52 static inline unsigned int ctr_read(unsigned int i)
56 return mfspr(SPRN_PMC1);
58 return mfspr(SPRN_PMC2);
60 return mfspr(SPRN_PMC3);
62 return mfspr(SPRN_PMC4);
64 return mfspr(SPRN_PMC5);
66 return mfspr(SPRN_PMC6);
68 return mfspr(SPRN_PMC7);
70 return mfspr(SPRN_PMC8);
76 static inline void ctr_write(unsigned int i, unsigned int val)
80 mtspr(SPRN_PMC1, val);
83 mtspr(SPRN_PMC2, val);
86 mtspr(SPRN_PMC3, val);
89 mtspr(SPRN_PMC4, val);
92 mtspr(SPRN_PMC5, val);
95 mtspr(SPRN_PMC6, val);
98 mtspr(SPRN_PMC7, val);
101 mtspr(SPRN_PMC8, val);