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.
12 #ifndef _ASM_POWERPC_OPROFILE_IMPL_H
13 #define _ASM_POWERPC_OPROFILE_IMPL_H
16 #define OP_MAX_COUNTER 8
18 /* Per-counter configuration as set via oprofilefs. */
19 struct op_counter_config {
20 unsigned long enabled;
23 /* Classic doesn't support per-counter user/kernel selection */
26 unsigned long unit_mask;
29 /* System-wide configuration as set via oprofilefs. */
30 struct op_system_config {
36 unsigned long enable_kernel;
37 unsigned long enable_user;
40 /* Per-arch configuration */
41 struct op_powerpc_model {
42 int (*reg_setup) (struct op_counter_config *,
43 struct op_system_config *,
45 int (*cpu_setup) (struct op_counter_config *);
46 int (*start) (struct op_counter_config *);
47 int (*global_start) (struct op_counter_config *);
49 void (*global_stop) (void);
50 int (*sync_start)(void);
51 int (*sync_stop)(void);
52 void (*handle_interrupt) (struct pt_regs *,
53 struct op_counter_config *);
57 extern struct op_powerpc_model op_model_fsl_emb;
58 extern struct op_powerpc_model op_model_rs64;
59 extern struct op_powerpc_model op_model_power4;
60 extern struct op_powerpc_model op_model_7450;
61 extern struct op_powerpc_model op_model_cell;
62 extern struct op_powerpc_model op_model_pa6t;
65 /* All the classic PPC parts use these */
66 static inline unsigned int classic_ctr_read(unsigned int i)
70 return mfspr(SPRN_PMC1);
72 return mfspr(SPRN_PMC2);
74 return mfspr(SPRN_PMC3);
76 return mfspr(SPRN_PMC4);
78 return mfspr(SPRN_PMC5);
80 return mfspr(SPRN_PMC6);
82 /* No PPC32 chip has more than 6 so far */
85 return mfspr(SPRN_PMC7);
87 return mfspr(SPRN_PMC8);
94 static inline void classic_ctr_write(unsigned int i, unsigned int val)
98 mtspr(SPRN_PMC1, val);
101 mtspr(SPRN_PMC2, val);
104 mtspr(SPRN_PMC3, val);
107 mtspr(SPRN_PMC4, val);
110 mtspr(SPRN_PMC5, val);
113 mtspr(SPRN_PMC6, val);
116 /* No PPC32 chip has more than 6, yet */
119 mtspr(SPRN_PMC7, val);
122 mtspr(SPRN_PMC8, val);
131 extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth);
133 #endif /* __KERNEL__ */
134 #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */