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 {
35 #ifdef CONFIG_OPROFILE_CELL
36 /* Register for oprofile user tool to check cell kernel profiling
39 unsigned long cell_support;
42 unsigned long enable_kernel;
43 unsigned long enable_user;
46 /* Per-arch configuration */
47 struct op_powerpc_model {
48 int (*reg_setup) (struct op_counter_config *,
49 struct op_system_config *,
51 int (*cpu_setup) (struct op_counter_config *);
52 int (*start) (struct op_counter_config *);
53 int (*global_start) (struct op_counter_config *);
55 void (*global_stop) (void);
56 int (*sync_start)(void);
57 int (*sync_stop)(void);
58 void (*handle_interrupt) (struct pt_regs *,
59 struct op_counter_config *);
63 extern struct op_powerpc_model op_model_fsl_emb;
64 extern struct op_powerpc_model op_model_power4;
65 extern struct op_powerpc_model op_model_7450;
66 extern struct op_powerpc_model op_model_cell;
67 extern struct op_powerpc_model op_model_pa6t;
70 /* All the classic PPC parts use these */
71 static inline unsigned int classic_ctr_read(unsigned int i)
75 return mfspr(SPRN_PMC1);
77 return mfspr(SPRN_PMC2);
79 return mfspr(SPRN_PMC3);
81 return mfspr(SPRN_PMC4);
83 return mfspr(SPRN_PMC5);
85 return mfspr(SPRN_PMC6);
87 /* No PPC32 chip has more than 6 so far */
90 return mfspr(SPRN_PMC7);
92 return mfspr(SPRN_PMC8);
99 static inline void classic_ctr_write(unsigned int i, unsigned int val)
103 mtspr(SPRN_PMC1, val);
106 mtspr(SPRN_PMC2, val);
109 mtspr(SPRN_PMC3, val);
112 mtspr(SPRN_PMC4, val);
115 mtspr(SPRN_PMC5, val);
118 mtspr(SPRN_PMC6, val);
121 /* No PPC32 chip has more than 6, yet */
124 mtspr(SPRN_PMC7, val);
127 mtspr(SPRN_PMC8, val);
136 extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth);
138 #endif /* __KERNEL__ */
139 #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */