Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM |
| 4 | * |
| 5 | * Based on alpha version. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | |
Stephen Rothwell | 654810e | 2005-09-19 23:21:15 +1000 | [diff] [blame] | 8 | #ifndef _ASM_POWERPC_OPROFILE_IMPL_H |
| 9 | #define _ASM_POWERPC_OPROFILE_IMPL_H |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 10 | #ifdef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | |
| 12 | #define OP_MAX_COUNTER 8 |
| 13 | |
| 14 | /* Per-counter configuration as set via oprofilefs. */ |
| 15 | struct op_counter_config { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | unsigned long enabled; |
| 17 | unsigned long event; |
| 18 | unsigned long count; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 19 | /* Classic doesn't support per-counter user/kernel selection */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | unsigned long kernel; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | unsigned long user; |
| 22 | unsigned long unit_mask; |
| 23 | }; |
| 24 | |
| 25 | /* System-wide configuration as set via oprofilefs. */ |
| 26 | struct op_system_config { |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 27 | #ifdef CONFIG_PPC64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | unsigned long mmcr0; |
| 29 | unsigned long mmcr1; |
| 30 | unsigned long mmcra; |
Carl Love | 8838232 | 2008-12-01 16:18:36 -0800 | [diff] [blame] | 31 | #ifdef CONFIG_OPROFILE_CELL |
| 32 | /* Register for oprofile user tool to check cell kernel profiling |
Masanari Iida | 02582e9 | 2012-08-22 19:11:26 +0900 | [diff] [blame] | 33 | * support. |
Carl Love | 8838232 | 2008-12-01 16:18:36 -0800 | [diff] [blame] | 34 | */ |
| 35 | unsigned long cell_support; |
| 36 | #endif |
Stephen Rothwell | 654810e | 2005-09-19 23:21:15 +1000 | [diff] [blame] | 37 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | unsigned long enable_kernel; |
| 39 | unsigned long enable_user; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | }; |
| 41 | |
| 42 | /* Per-arch configuration */ |
Stephen Rothwell | a3e48c1 | 2005-09-19 23:18:31 +1000 | [diff] [blame] | 43 | struct op_powerpc_model { |
Bob Nelson | 1474855 | 2007-07-20 21:39:53 +0200 | [diff] [blame] | 44 | int (*reg_setup) (struct op_counter_config *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | struct op_system_config *, |
| 46 | int num_counters); |
Bob Nelson | 1474855 | 2007-07-20 21:39:53 +0200 | [diff] [blame] | 47 | int (*cpu_setup) (struct op_counter_config *); |
| 48 | int (*start) (struct op_counter_config *); |
| 49 | int (*global_start) (struct op_counter_config *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | void (*stop) (void); |
Maynard Johnson | 18f2190 | 2006-11-20 18:45:16 +0100 | [diff] [blame] | 51 | void (*global_stop) (void); |
Bob Nelson | 1474855 | 2007-07-20 21:39:53 +0200 | [diff] [blame] | 52 | int (*sync_start)(void); |
| 53 | int (*sync_stop)(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | void (*handle_interrupt) (struct pt_regs *, |
| 55 | struct op_counter_config *); |
| 56 | int num_counters; |
| 57 | }; |
| 58 | |
Andy Fleming | 39aef68 | 2008-02-04 18:27:55 -0600 | [diff] [blame] | 59 | extern struct op_powerpc_model op_model_fsl_emb; |
Stephen Rothwell | a3e48c1 | 2005-09-19 23:18:31 +1000 | [diff] [blame] | 60 | extern struct op_powerpc_model op_model_power4; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 61 | extern struct op_powerpc_model op_model_7450; |
Maynard Johnson | 18f2190 | 2006-11-20 18:45:16 +0100 | [diff] [blame] | 62 | extern struct op_powerpc_model op_model_cell; |
Olof Johansson | 25fc530 | 2007-04-18 16:38:21 +1000 | [diff] [blame] | 63 | extern struct op_powerpc_model op_model_pa6t; |
| 64 | |
Anton Blanchard | 72533db | 2006-03-27 11:23:29 +1100 | [diff] [blame] | 65 | |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 66 | /* All the classic PPC parts use these */ |
Olof Johansson | c69b767 | 2007-01-28 21:23:14 -0600 | [diff] [blame] | 67 | static inline unsigned int classic_ctr_read(unsigned int i) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | { |
| 69 | switch(i) { |
| 70 | case 0: |
| 71 | return mfspr(SPRN_PMC1); |
| 72 | case 1: |
| 73 | return mfspr(SPRN_PMC2); |
| 74 | case 2: |
| 75 | return mfspr(SPRN_PMC3); |
| 76 | case 3: |
| 77 | return mfspr(SPRN_PMC4); |
| 78 | case 4: |
| 79 | return mfspr(SPRN_PMC5); |
| 80 | case 5: |
| 81 | return mfspr(SPRN_PMC6); |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 82 | |
| 83 | /* No PPC32 chip has more than 6 so far */ |
| 84 | #ifdef CONFIG_PPC64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | case 6: |
| 86 | return mfspr(SPRN_PMC7); |
| 87 | case 7: |
| 88 | return mfspr(SPRN_PMC8); |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 89 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | default: |
| 91 | return 0; |
| 92 | } |
| 93 | } |
| 94 | |
Olof Johansson | c69b767 | 2007-01-28 21:23:14 -0600 | [diff] [blame] | 95 | static inline void classic_ctr_write(unsigned int i, unsigned int val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | { |
| 97 | switch(i) { |
| 98 | case 0: |
| 99 | mtspr(SPRN_PMC1, val); |
| 100 | break; |
| 101 | case 1: |
| 102 | mtspr(SPRN_PMC2, val); |
| 103 | break; |
| 104 | case 2: |
| 105 | mtspr(SPRN_PMC3, val); |
| 106 | break; |
| 107 | case 3: |
| 108 | mtspr(SPRN_PMC4, val); |
| 109 | break; |
| 110 | case 4: |
| 111 | mtspr(SPRN_PMC5, val); |
| 112 | break; |
| 113 | case 5: |
| 114 | mtspr(SPRN_PMC6, val); |
| 115 | break; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 116 | |
| 117 | /* No PPC32 chip has more than 6, yet */ |
| 118 | #ifdef CONFIG_PPC64 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | case 6: |
| 120 | mtspr(SPRN_PMC7, val); |
| 121 | break; |
| 122 | case 7: |
| 123 | mtspr(SPRN_PMC8, val); |
| 124 | break; |
Andy Fleming | 555d97a | 2005-12-15 20:02:04 -0600 | [diff] [blame] | 125 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | default: |
| 127 | break; |
| 128 | } |
| 129 | } |
Andy Fleming | dd6c89f | 2006-10-27 15:06:32 -0500 | [diff] [blame] | 130 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
Brian Rogan | 6c6bd75 | 2006-03-27 11:57:01 +1100 | [diff] [blame] | 132 | extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth); |
| 133 | |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 134 | #endif /* __KERNEL__ */ |
Stephen Rothwell | 654810e | 2005-09-19 23:21:15 +1000 | [diff] [blame] | 135 | #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */ |