acparser.h 6.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227
  1. /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2. /******************************************************************************
  3. *
  4. * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
  5. *
  6. * Copyright (C) 2000 - 2022, Intel Corp.
  7. *
  8. *****************************************************************************/
  9. #ifndef __ACPARSER_H__
  10. #define __ACPARSER_H__
  11. #define OP_HAS_RETURN_VALUE 1
  12. /* Variable number of arguments. This field must be 32 bits */
  13. #define ACPI_VAR_ARGS ACPI_UINT32_MAX
  14. #define ACPI_PARSE_DELETE_TREE 0x0001
  15. #define ACPI_PARSE_NO_TREE_DELETE 0x0000
  16. #define ACPI_PARSE_TREE_MASK 0x0001
  17. #define ACPI_PARSE_LOAD_PASS1 0x0010
  18. #define ACPI_PARSE_LOAD_PASS2 0x0020
  19. #define ACPI_PARSE_EXECUTE 0x0030
  20. #define ACPI_PARSE_MODE_MASK 0x0030
  21. #define ACPI_PARSE_DEFERRED_OP 0x0100
  22. #define ACPI_PARSE_DISASSEMBLE 0x0200
  23. #define ACPI_PARSE_MODULE_LEVEL 0x0400
  24. /******************************************************************************
  25. *
  26. * Parser interfaces
  27. *
  28. *****************************************************************************/
  29. extern const u8 acpi_gbl_short_op_index[];
  30. extern const u8 acpi_gbl_long_op_index[];
  31. /*
  32. * psxface - Parser external interfaces
  33. */
  34. acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info);
  35. acpi_status acpi_ps_execute_table(struct acpi_evaluate_info *info);
  36. /*
  37. * psargs - Parse AML opcode arguments
  38. */
  39. u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state);
  40. char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state);
  41. void
  42. acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
  43. u32 arg_type, union acpi_parse_object *arg);
  44. acpi_status
  45. acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
  46. struct acpi_parse_state *parser_state,
  47. union acpi_parse_object *arg,
  48. u8 possible_method_call);
  49. /* Values for u8 above */
  50. #define ACPI_NOT_METHOD_CALL FALSE
  51. #define ACPI_POSSIBLE_METHOD_CALL TRUE
  52. acpi_status
  53. acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
  54. struct acpi_parse_state *parser_state,
  55. u32 arg_type, union acpi_parse_object **return_arg);
  56. /*
  57. * psfind
  58. */
  59. union acpi_parse_object *acpi_ps_find_name(union acpi_parse_object *scope,
  60. u32 name, u32 opcode);
  61. union acpi_parse_object *acpi_ps_get_parent(union acpi_parse_object *op);
  62. /*
  63. * psobject - support for parse object processing
  64. */
  65. acpi_status
  66. acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
  67. u8 *aml_op_start,
  68. union acpi_parse_object *unnamed_op,
  69. union acpi_parse_object **op);
  70. acpi_status
  71. acpi_ps_create_op(struct acpi_walk_state *walk_state,
  72. u8 *aml_op_start, union acpi_parse_object **new_op);
  73. acpi_status
  74. acpi_ps_complete_op(struct acpi_walk_state *walk_state,
  75. union acpi_parse_object **op, acpi_status status);
  76. acpi_status
  77. acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
  78. union acpi_parse_object *op, acpi_status status);
  79. /*
  80. * psopinfo - AML Opcode information
  81. */
  82. const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
  83. const char *acpi_ps_get_opcode_name(u16 opcode);
  84. u8 acpi_ps_get_argument_count(u32 op_type);
  85. /*
  86. * psparse - top level parsing routines
  87. */
  88. acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state);
  89. u32 acpi_ps_get_opcode_size(u32 opcode);
  90. u16 acpi_ps_peek_opcode(struct acpi_parse_state *state);
  91. acpi_status
  92. acpi_ps_complete_this_op(struct acpi_walk_state *walk_state,
  93. union acpi_parse_object *op);
  94. acpi_status
  95. acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
  96. union acpi_parse_object *op,
  97. acpi_status callback_status);
  98. /*
  99. * psloop - main parse loop
  100. */
  101. acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state);
  102. /*
  103. * psscope - Scope stack management routines
  104. */
  105. acpi_status
  106. acpi_ps_init_scope(struct acpi_parse_state *parser_state,
  107. union acpi_parse_object *root);
  108. union acpi_parse_object *acpi_ps_get_parent_scope(struct acpi_parse_state
  109. *state);
  110. u8 acpi_ps_has_completed_scope(struct acpi_parse_state *parser_state);
  111. void
  112. acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
  113. union acpi_parse_object **op, u32 *arg_list, u32 *arg_count);
  114. acpi_status
  115. acpi_ps_push_scope(struct acpi_parse_state *parser_state,
  116. union acpi_parse_object *op,
  117. u32 remaining_args, u32 arg_count);
  118. void acpi_ps_cleanup_scope(struct acpi_parse_state *state);
  119. /*
  120. * pstree - parse tree manipulation routines
  121. */
  122. void
  123. acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg);
  124. union acpi_parse_object *acpi_ps_find(union acpi_parse_object *scope,
  125. char *path, u16 opcode, u32 create);
  126. union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn);
  127. union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
  128. union acpi_parse_object *op);
  129. /*
  130. * pswalk - parse tree walk routines
  131. */
  132. acpi_status
  133. acpi_ps_walk_parsed_aml(union acpi_parse_object *start_op,
  134. union acpi_parse_object *end_op,
  135. union acpi_operand_object *mth_desc,
  136. struct acpi_namespace_node *start_node,
  137. union acpi_operand_object **params,
  138. union acpi_operand_object **caller_return_desc,
  139. acpi_owner_id owner_id,
  140. acpi_parse_downwards descending_callback,
  141. acpi_parse_upwards ascending_callback);
  142. acpi_status
  143. acpi_ps_get_next_walk_op(struct acpi_walk_state *walk_state,
  144. union acpi_parse_object *op,
  145. acpi_parse_upwards ascending_callback);
  146. acpi_status acpi_ps_delete_completed_op(struct acpi_walk_state *walk_state);
  147. void acpi_ps_delete_parse_tree(union acpi_parse_object *root);
  148. /*
  149. * psutils - parser utilities
  150. */
  151. union acpi_parse_object *acpi_ps_create_scope_op(u8 *aml);
  152. void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode);
  153. union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml);
  154. void acpi_ps_free_op(union acpi_parse_object *op);
  155. u8 acpi_ps_is_leading_char(u32 c);
  156. u32 acpi_ps_get_name(union acpi_parse_object *op);
  157. void acpi_ps_set_name(union acpi_parse_object *op, u32 name);
  158. /*
  159. * psdump - display parser tree
  160. */
  161. u32
  162. acpi_ps_sprint_path(char *buffer_start,
  163. u32 buffer_size, union acpi_parse_object *op);
  164. u32
  165. acpi_ps_sprint_op(char *buffer_start,
  166. u32 buffer_size, union acpi_parse_object *op);
  167. void acpi_ps_show(union acpi_parse_object *op);
  168. #endif /* __ACPARSER_H__ */