acparser.h 7.3 KB

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  1. /******************************************************************************
  2. *
  3. * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
  4. *
  5. *****************************************************************************/
  6. /*
  7. * Copyright (C) 2000 - 2012, Intel Corp.
  8. * All rights reserved.
  9. *
  10. * Redistribution and use in source and binary forms, with or without
  11. * modification, are permitted provided that the following conditions
  12. * are met:
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions, and the following disclaimer,
  15. * without modification.
  16. * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  17. * substantially similar to the "NO WARRANTY" disclaimer below
  18. * ("Disclaimer") and any redistribution must be conditioned upon
  19. * including a substantially similar Disclaimer requirement for further
  20. * binary redistribution.
  21. * 3. Neither the names of the above-listed copyright holders nor the names
  22. * of any contributors may be used to endorse or promote products derived
  23. * from this software without specific prior written permission.
  24. *
  25. * Alternatively, this software may be distributed under the terms of the
  26. * GNU General Public License ("GPL") version 2 as published by the Free
  27. * Software Foundation.
  28. *
  29. * NO WARRANTY
  30. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  31. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  32. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  33. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  34. * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  35. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  36. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  37. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  38. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  39. * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  40. * POSSIBILITY OF SUCH DAMAGES.
  41. */
  42. #ifndef __ACPARSER_H__
  43. #define __ACPARSER_H__
  44. #define OP_HAS_RETURN_VALUE 1
  45. /* Variable number of arguments. This field must be 32 bits */
  46. #define ACPI_VAR_ARGS ACPI_UINT32_MAX
  47. #define ACPI_PARSE_DELETE_TREE 0x0001
  48. #define ACPI_PARSE_NO_TREE_DELETE 0x0000
  49. #define ACPI_PARSE_TREE_MASK 0x0001
  50. #define ACPI_PARSE_LOAD_PASS1 0x0010
  51. #define ACPI_PARSE_LOAD_PASS2 0x0020
  52. #define ACPI_PARSE_EXECUTE 0x0030
  53. #define ACPI_PARSE_MODE_MASK 0x0030
  54. #define ACPI_PARSE_DEFERRED_OP 0x0100
  55. #define ACPI_PARSE_DISASSEMBLE 0x0200
  56. #define ACPI_PARSE_MODULE_LEVEL 0x0400
  57. /******************************************************************************
  58. *
  59. * Parser interfaces
  60. *
  61. *****************************************************************************/
  62. /*
  63. * psxface - Parser external interfaces
  64. */
  65. acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info);
  66. /*
  67. * psargs - Parse AML opcode arguments
  68. */
  69. u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state);
  70. char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state);
  71. void
  72. acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
  73. u32 arg_type, union acpi_parse_object *arg);
  74. acpi_status
  75. acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
  76. struct acpi_parse_state *parser_state,
  77. union acpi_parse_object *arg, u8 method_call);
  78. acpi_status
  79. acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
  80. struct acpi_parse_state *parser_state,
  81. u32 arg_type, union acpi_parse_object **return_arg);
  82. /*
  83. * psfind
  84. */
  85. union acpi_parse_object *acpi_ps_find_name(union acpi_parse_object *scope,
  86. u32 name, u32 opcode);
  87. union acpi_parse_object *acpi_ps_get_parent(union acpi_parse_object *op);
  88. /*
  89. * psopcode - AML Opcode information
  90. */
  91. const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
  92. char *acpi_ps_get_opcode_name(u16 opcode);
  93. u8 acpi_ps_get_argument_count(u32 op_type);
  94. /*
  95. * psparse - top level parsing routines
  96. */
  97. acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state);
  98. u32 acpi_ps_get_opcode_size(u32 opcode);
  99. u16 acpi_ps_peek_opcode(struct acpi_parse_state *state);
  100. acpi_status
  101. acpi_ps_complete_this_op(struct acpi_walk_state *walk_state,
  102. union acpi_parse_object *op);
  103. acpi_status
  104. acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
  105. union acpi_parse_object *op,
  106. acpi_status callback_status);
  107. /*
  108. * psloop - main parse loop
  109. */
  110. acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state);
  111. /*
  112. * psscope - Scope stack management routines
  113. */
  114. acpi_status
  115. acpi_ps_init_scope(struct acpi_parse_state *parser_state,
  116. union acpi_parse_object *root);
  117. union acpi_parse_object *acpi_ps_get_parent_scope(struct acpi_parse_state
  118. *state);
  119. u8 acpi_ps_has_completed_scope(struct acpi_parse_state *parser_state);
  120. void
  121. acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
  122. union acpi_parse_object **op,
  123. u32 * arg_list, u32 * arg_count);
  124. acpi_status
  125. acpi_ps_push_scope(struct acpi_parse_state *parser_state,
  126. union acpi_parse_object *op,
  127. u32 remaining_args, u32 arg_count);
  128. void acpi_ps_cleanup_scope(struct acpi_parse_state *state);
  129. /*
  130. * pstree - parse tree manipulation routines
  131. */
  132. void
  133. acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg);
  134. union acpi_parse_object *acpi_ps_find(union acpi_parse_object *scope,
  135. char *path, u16 opcode, u32 create);
  136. union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn);
  137. #ifdef ACPI_FUTURE_USAGE
  138. union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
  139. union acpi_parse_object *op);
  140. #endif /* ACPI_FUTURE_USAGE */
  141. /*
  142. * pswalk - parse tree walk routines
  143. */
  144. acpi_status
  145. acpi_ps_walk_parsed_aml(union acpi_parse_object *start_op,
  146. union acpi_parse_object *end_op,
  147. union acpi_operand_object *mth_desc,
  148. struct acpi_namespace_node *start_node,
  149. union acpi_operand_object **params,
  150. union acpi_operand_object **caller_return_desc,
  151. acpi_owner_id owner_id,
  152. acpi_parse_downwards descending_callback,
  153. acpi_parse_upwards ascending_callback);
  154. acpi_status
  155. acpi_ps_get_next_walk_op(struct acpi_walk_state *walk_state,
  156. union acpi_parse_object *op,
  157. acpi_parse_upwards ascending_callback);
  158. acpi_status acpi_ps_delete_completed_op(struct acpi_walk_state *walk_state);
  159. void acpi_ps_delete_parse_tree(union acpi_parse_object *root);
  160. /*
  161. * psutils - parser utilities
  162. */
  163. union acpi_parse_object *acpi_ps_create_scope_op(void);
  164. void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode);
  165. union acpi_parse_object *acpi_ps_alloc_op(u16 opcode);
  166. void acpi_ps_free_op(union acpi_parse_object *op);
  167. u8 acpi_ps_is_leading_char(u32 c);
  168. u8 acpi_ps_is_prefix_char(u32 c);
  169. #ifdef ACPI_FUTURE_USAGE
  170. u32 acpi_ps_get_name(union acpi_parse_object *op);
  171. #endif /* ACPI_FUTURE_USAGE */
  172. void acpi_ps_set_name(union acpi_parse_object *op, u32 name);
  173. /*
  174. * psdump - display parser tree
  175. */
  176. u32
  177. acpi_ps_sprint_path(char *buffer_start,
  178. u32 buffer_size, union acpi_parse_object *op);
  179. u32
  180. acpi_ps_sprint_op(char *buffer_start,
  181. u32 buffer_size, union acpi_parse_object *op);
  182. void acpi_ps_show(union acpi_parse_object *op);
  183. #endif /* __ACPARSER_H__ */