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include
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asm-ppc64
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oprofile_impl.h

oprofile_impl.h 2.2 KB
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  1. /*
    2. 

  2.  * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
    3. 

  3.  *
    4. 

  4.  * Based on alpha version.
    5. 

  5.  *
    6. 

  6.  * This program is free software; you can redistribute it and/or
    7. 

  7.  * modify it under the terms of the GNU General Public License
    8. 

  8.  * as published by the Free Software Foundation; either version
    9. 

  9.  * 2 of the License, or (at your option) any later version.
    10. 

  10.  */
    11. 

  11. 

  12. #ifndef OP_IMPL_H
    13. 

  13. #define OP_IMPL_H 1
    14. 

  14. 

  15. #define OP_MAX_COUNTER 8
    16. 

  16. 

  17. /* Per-counter configuration as set via oprofilefs.  */
    18. 

  18. struct op_counter_config {
    19. 

  19. 	unsigned long valid;
    20. 

  20. 	unsigned long enabled;
    21. 

  21. 	unsigned long event;
    22. 

  22. 	unsigned long count;
    23. 

  23. 	unsigned long kernel;
    24. 

  24. 	/* We dont support per counter user/kernel selection */
    25. 

  25. 	unsigned long user;
    26. 

  26. 	unsigned long unit_mask;
    27. 

  27. };
    28. 

  28. 

  29. /* System-wide configuration as set via oprofilefs.  */
    30. 

  30. struct op_system_config {
    31. 

  31. 	unsigned long mmcr0;
    32. 

  32. 	unsigned long mmcr1;
    33. 

  33. 	unsigned long mmcra;
    34. 

  34. 	unsigned long enable_kernel;
    35. 

  35. 	unsigned long enable_user;
    36. 

  36. 	unsigned long backtrace_spinlocks;
    37. 

  37. };
    38. 

  38. 

  39. /* Per-arch configuration */
    40. 

  40. struct op_ppc64_model {
    41. 

  41. 	void (*reg_setup) (struct op_counter_config *,
    42. 

  42. 			   struct op_system_config *,
    43. 

  43. 			   int num_counters);
    44. 

  44. 	void (*cpu_setup) (void *);
    45. 

  45. 	void (*start) (struct op_counter_config *);
    46. 

  46. 	void (*stop) (void);
    47. 

  47. 	void (*handle_interrupt) (struct pt_regs *,
    48. 

  48. 				  struct op_counter_config *);
    49. 

  49. 	int num_counters;
    50. 

  50. };
    51. 

  51. 

  52. extern struct op_ppc64_model op_model_rs64;
    53. 

  53. extern struct op_ppc64_model op_model_power4;
    54. 

  54. 

  55. static inline unsigned int ctr_read(unsigned int i)
    56. 

  56. {
    57. 

  57. 	switch(i) {
    58. 

  58. 	case 0:
    59. 

  59. 		return mfspr(SPRN_PMC1);
    60. 

  60. 	case 1:
    61. 

  61. 		return mfspr(SPRN_PMC2);
    62. 

  62. 	case 2:
    63. 

  63. 		return mfspr(SPRN_PMC3);
    64. 

  64. 	case 3:
    65. 

  65. 		return mfspr(SPRN_PMC4);
    66. 

  66. 	case 4:
    67. 

  67. 		return mfspr(SPRN_PMC5);
    68. 

  68. 	case 5:
    69. 

  69. 		return mfspr(SPRN_PMC6);
    70. 

  70. 	case 6:
    71. 

  71. 		return mfspr(SPRN_PMC7);
    72. 

  72. 	case 7:
    73. 

  73. 		return mfspr(SPRN_PMC8);
    74. 

  74. 	default:
    75. 

  75. 		return 0;
    76. 

  76. 	}
    77. 

  77. }
    78. 

  78. 

  79. static inline void ctr_write(unsigned int i, unsigned int val)
    80. 

  80. {
    81. 

  81. 	switch(i) {
    82. 

  82. 	case 0:
    83. 

  83. 		mtspr(SPRN_PMC1, val);
    84. 

  84. 		break;
    85. 

  85. 	case 1:
    86. 

  86. 		mtspr(SPRN_PMC2, val);
    87. 

  87. 		break;
    88. 

  88. 	case 2:
    89. 

  89. 		mtspr(SPRN_PMC3, val);
    90. 

  90. 		break;
    91. 

  91. 	case 3:
    92. 

  92. 		mtspr(SPRN_PMC4, val);
    93. 

  93. 		break;
    94. 

  94. 	case 4:
    95. 

  95. 		mtspr(SPRN_PMC5, val);
    96. 

  96. 		break;
    97. 

  97. 	case 5:
    98. 

  98. 		mtspr(SPRN_PMC6, val);
    99. 

  99. 		break;
    100. 

  100. 	case 6:
    101. 

  101. 		mtspr(SPRN_PMC7, val);
    102. 

  102. 		break;
    103. 

  103. 	case 7:
    104. 

  104. 		mtspr(SPRN_PMC8, val);
    105. 

  105. 		break;
    106. 

  106. 	default:
    107. 

  107. 		break;
    108. 

  108. 	}
    109. 

  109. }
    110. 

  110. 

  111. #endif
    112.