Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Stephen Rothwell | 654810e | 2005-09-19 23:21:15 +1000 | [diff] [blame] | 12 | #ifndef _ASM_POWERPC_OPROFILE_IMPL_H |
| 13 | #define _ASM_POWERPC_OPROFILE_IMPL_H |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 14 | #ifdef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | |
| 16 | #define OP_MAX_COUNTER 8 |
| 17 | |
| 18 | /* Per-counter configuration as set via oprofilefs. */ |
| 19 | struct op_counter_config { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | unsigned long enabled; |
| 21 | unsigned long event; |
| 22 | unsigned long count; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 23 | /* Classic doesn't support per-counter user/kernel selection */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | unsigned long kernel; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | unsigned long user; |
| 26 | unsigned long unit_mask; |
| 27 | }; |
| 28 | |
| 29 | /* System-wide configuration as set via oprofilefs. */ |
| 30 | struct op_system_config { |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 31 | #ifdef CONFIG_PPC64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | unsigned long mmcr0; |
| 33 | unsigned long mmcr1; |
| 34 | unsigned long mmcra; |
Carl Love | 8838232 | 2008-12-01 16:18:36 -0800 | [diff] [blame^] | 35 | #ifdef CONFIG_OPROFILE_CELL |
| 36 | /* Register for oprofile user tool to check cell kernel profiling |
| 37 | * suport. |
| 38 | */ |
| 39 | unsigned long cell_support; |
| 40 | #endif |
Stephen Rothwell | 654810e | 2005-09-19 23:21:15 +1000 | [diff] [blame] | 41 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | unsigned long enable_kernel; |
| 43 | unsigned long enable_user; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | }; |
| 45 | |
| 46 | /* Per-arch configuration */ |
Stephen Rothwell | a3e48c1 | 2005-09-19 23:18:31 +1000 | [diff] [blame] | 47 | struct op_powerpc_model { |
Bob Nelson | 1474855 | 2007-07-20 21:39:53 +0200 | [diff] [blame] | 48 | int (*reg_setup) (struct op_counter_config *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | struct op_system_config *, |
| 50 | int num_counters); |
Bob Nelson | 1474855 | 2007-07-20 21:39:53 +0200 | [diff] [blame] | 51 | int (*cpu_setup) (struct op_counter_config *); |
| 52 | int (*start) (struct op_counter_config *); |
| 53 | int (*global_start) (struct op_counter_config *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | void (*stop) (void); |
Maynard Johnson | 18f2190 | 2006-11-20 18:45:16 +0100 | [diff] [blame] | 55 | void (*global_stop) (void); |
Bob Nelson | 1474855 | 2007-07-20 21:39:53 +0200 | [diff] [blame] | 56 | int (*sync_start)(void); |
| 57 | int (*sync_stop)(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | void (*handle_interrupt) (struct pt_regs *, |
| 59 | struct op_counter_config *); |
| 60 | int num_counters; |
| 61 | }; |
| 62 | |
Andy Fleming | 39aef68 | 2008-02-04 18:27:55 -0600 | [diff] [blame] | 63 | extern struct op_powerpc_model op_model_fsl_emb; |
Stephen Rothwell | a3e48c1 | 2005-09-19 23:18:31 +1000 | [diff] [blame] | 64 | extern struct op_powerpc_model op_model_rs64; |
| 65 | extern struct op_powerpc_model op_model_power4; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 66 | extern struct op_powerpc_model op_model_7450; |
Maynard Johnson | 18f2190 | 2006-11-20 18:45:16 +0100 | [diff] [blame] | 67 | extern struct op_powerpc_model op_model_cell; |
Olof Johansson | 25fc530 | 2007-04-18 16:38:21 +1000 | [diff] [blame] | 68 | extern struct op_powerpc_model op_model_pa6t; |
| 69 | |
Anton Blanchard | 72533db | 2006-03-27 11:23:29 +1100 | [diff] [blame] | 70 | |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 71 | /* All the classic PPC parts use these */ |
Olof Johansson | c69b767 | 2007-01-28 21:23:14 -0600 | [diff] [blame] | 72 | static inline unsigned int classic_ctr_read(unsigned int i) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | { |
| 74 | switch(i) { |
| 75 | case 0: |
| 76 | return mfspr(SPRN_PMC1); |
| 77 | case 1: |
| 78 | return mfspr(SPRN_PMC2); |
| 79 | case 2: |
| 80 | return mfspr(SPRN_PMC3); |
| 81 | case 3: |
| 82 | return mfspr(SPRN_PMC4); |
| 83 | case 4: |
| 84 | return mfspr(SPRN_PMC5); |
| 85 | case 5: |
| 86 | return mfspr(SPRN_PMC6); |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 87 | |
| 88 | /* No PPC32 chip has more than 6 so far */ |
| 89 | #ifdef CONFIG_PPC64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | case 6: |
| 91 | return mfspr(SPRN_PMC7); |
| 92 | case 7: |
| 93 | return mfspr(SPRN_PMC8); |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 94 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | default: |
| 96 | return 0; |
| 97 | } |
| 98 | } |
| 99 | |
Olof Johansson | c69b767 | 2007-01-28 21:23:14 -0600 | [diff] [blame] | 100 | static inline void classic_ctr_write(unsigned int i, unsigned int val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | { |
| 102 | switch(i) { |
| 103 | case 0: |
| 104 | mtspr(SPRN_PMC1, val); |
| 105 | break; |
| 106 | case 1: |
| 107 | mtspr(SPRN_PMC2, val); |
| 108 | break; |
| 109 | case 2: |
| 110 | mtspr(SPRN_PMC3, val); |
| 111 | break; |
| 112 | case 3: |
| 113 | mtspr(SPRN_PMC4, val); |
| 114 | break; |
| 115 | case 4: |
| 116 | mtspr(SPRN_PMC5, val); |
| 117 | break; |
| 118 | case 5: |
| 119 | mtspr(SPRN_PMC6, val); |
| 120 | break; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 121 | |
| 122 | /* No PPC32 chip has more than 6, yet */ |
| 123 | #ifdef CONFIG_PPC64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | case 6: |
| 125 | mtspr(SPRN_PMC7, val); |
| 126 | break; |
| 127 | case 7: |
| 128 | mtspr(SPRN_PMC8, val); |
| 129 | break; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 130 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | default: |
| 132 | break; |
| 133 | } |
| 134 | } |
Andy Fleming | dd6c89f | 2006-10-27 15:06:32 -0500 | [diff] [blame] | 135 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
Brian Rogan | 6c6bd75 | 2006-03-27 11:57:01 +1100 | [diff] [blame] | 137 | extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth); |
| 138 | |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 139 | #endif /* __KERNEL__ */ |
Stephen Rothwell | 654810e | 2005-09-19 23:21:15 +1000 | [diff] [blame] | 140 | #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ |