diff options
Diffstat (limited to 'include/acpi/acstruct.h')
| -rw-r--r-- | include/acpi/acstruct.h | 121 |
1 files changed, 71 insertions, 50 deletions
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h index d8c1c2cdac0c..5e8095f0f78f 100644 --- a/include/acpi/acstruct.h +++ b/include/acpi/acstruct.h @@ -44,6 +44,8 @@ #ifndef __ACSTRUCT_H__ #define __ACSTRUCT_H__ +/* acpisrc:struct_defs -- for acpisrc conversion */ + /***************************************************************************** * * Tree walking typedefs and structs @@ -51,67 +53,76 @@ ****************************************************************************/ /* - * Walk state - current state of a parse tree walk. Used for both a leisurely stroll through - * the tree (for whatever reason), and for control method execution. + * Walk state - current state of a parse tree walk. Used for both a leisurely + * stroll through the tree (for whatever reason), and for control method + * execution. */ #define ACPI_NEXT_OP_DOWNWARD 1 #define ACPI_NEXT_OP_UPWARD 2 +/* + * Groups of definitions for walk_type used for different implementations of + * walkers (never simultaneously) - flags for interpreter: + */ #define ACPI_WALK_NON_METHOD 0 -#define ACPI_WALK_METHOD 1 -#define ACPI_WALK_METHOD_RESTART 2 -#define ACPI_WALK_CONST_REQUIRED 3 -#define ACPI_WALK_CONST_OPTIONAL 4 +#define ACPI_WALK_METHOD 0x01 +#define ACPI_WALK_METHOD_RESTART 0x02 + +/* Flags for i_aSL compiler only */ + +#define ACPI_WALK_CONST_REQUIRED 0x10 +#define ACPI_WALK_CONST_OPTIONAL 0x20 struct acpi_walk_state { - u8 data_type; /* To differentiate various internal objs MUST BE FIRST! */ + struct acpi_walk_state *next; /* Next walk_state in list */ + u8 descriptor_type; /* To differentiate various internal objs */ u8 walk_type; - acpi_owner_id owner_id; /* Owner of objects created during the walk */ - u8 last_predicate; /* Result of last predicate */ - u8 current_result; /* */ + u16 opcode; /* Current AML opcode */ u8 next_op_info; /* Info about next_op */ u8 num_operands; /* Stack pointer for Operands[] array */ + acpi_owner_id owner_id; /* Owner of objects created during the walk */ + u8 last_predicate; /* Result of last predicate */ + u8 current_result; u8 return_used; - u16 opcode; /* Current AML opcode */ u8 scope_depth; u8 pass_number; /* Parse pass during table load */ - u32 arg_count; /* push for fixed or var args */ u32 aml_offset; u32 arg_types; u32 method_breakpoint; /* For single stepping */ u32 user_breakpoint; /* User AML breakpoint */ u32 parse_flags; + + struct acpi_parse_state parser_state; /* Current state of parser */ u32 prev_arg_types; + u32 arg_count; /* push for fixed or var args */ - u8 *aml_last_while; struct acpi_namespace_node arguments[ACPI_METHOD_NUM_ARGS]; /* Control method arguments */ + struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */ + union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */ + union acpi_operand_object **params; + + u8 *aml_last_while; union acpi_operand_object **caller_return_desc; union acpi_generic_state *control_state; /* List of control states (nested IFs) */ struct acpi_namespace_node *deferred_node; /* Used when executing deferred opcodes */ struct acpi_gpe_event_info *gpe_event_info; /* Info for GPE (_Lxx/_Exx methods only */ union acpi_operand_object *implicit_return_obj; - struct acpi_namespace_node local_variables[ACPI_METHOD_NUM_LOCALS]; /* Control method locals */ struct acpi_namespace_node *method_call_node; /* Called method Node */ union acpi_parse_object *method_call_op; /* method_call Op if running a method */ union acpi_operand_object *method_desc; /* Method descriptor if running a method */ struct acpi_namespace_node *method_node; /* Method node if running a method. */ union acpi_parse_object *op; /* Current parser op */ - union acpi_operand_object *operands[ACPI_OBJ_NUM_OPERANDS + 1]; /* Operands passed to the interpreter (+1 for NULL terminator) */ const struct acpi_opcode_info *op_info; /* Info on current opcode */ union acpi_parse_object *origin; /* Start of walk [Obsolete] */ - union acpi_operand_object **params; - struct acpi_parse_state parser_state; /* Current state of parser */ union acpi_operand_object *result_obj; union acpi_generic_state *results; /* Stack of accumulated results */ union acpi_operand_object *return_desc; /* Return object, if any */ union acpi_generic_state *scope_info; /* Stack of nested scopes */ - union acpi_parse_object *prev_op; /* Last op that was processed */ union acpi_parse_object *next_op; /* next op to be processed */ + struct acpi_thread_state *thread; acpi_parse_downwards descending_callback; acpi_parse_upwards ascending_callback; - struct acpi_thread_state *thread; - struct acpi_walk_state *next; /* Next walk_state in list */ }; /* Info used by acpi_ps_init_objects */ @@ -131,32 +142,6 @@ struct acpi_init_walk_info { struct acpi_table_desc *table_desc; }; -/* Info used by acpi_ns_initialize_devices */ - -struct acpi_device_walk_info { - u16 device_count; - u16 num_STA; - u16 num_INI; - struct acpi_table_desc *table_desc; -}; - -/* TBD: [Restructure] Merge with struct above */ - -struct acpi_walk_info { - u32 debug_level; - u32 count; - acpi_owner_id owner_id; - u8 display_type; -}; - -/* Display Types */ - -#define ACPI_DISPLAY_SUMMARY (u8) 0 -#define ACPI_DISPLAY_OBJECTS (u8) 1 -#define ACPI_DISPLAY_MASK (u8) 1 - -#define ACPI_DISPLAY_SHORT (u8) 2 - struct acpi_get_devices_info { acpi_walk_callback user_function; void *context; @@ -189,16 +174,21 @@ union acpi_aml_operands { } mid; }; -/* Internal method parameter list */ - -struct acpi_parameter_info { - struct acpi_namespace_node *node; +/* + * Structure used to pass object evaluation parameters. + * Purpose is to reduce CPU stack use. + */ +struct acpi_evaluate_info { + struct acpi_namespace_node *prefix_node; + char *pathname; union acpi_operand_object *obj_desc; union acpi_operand_object **parameters; + struct acpi_namespace_node *resolved_node; union acpi_operand_object *return_object; u8 pass_number; u8 parameter_type; u8 return_object_type; + u8 flags; }; /* Types for parameter_type above */ @@ -206,4 +196,35 @@ struct acpi_parameter_info { #define ACPI_PARAM_ARGS 0 #define ACPI_PARAM_GPE 1 +/* Values for Flags above */ + +#define ACPI_IGNORE_RETURN_VALUE 1 + +/* Info used by acpi_ns_initialize_devices */ + +struct acpi_device_walk_info { + u16 device_count; + u16 num_STA; + u16 num_INI; + struct acpi_table_desc *table_desc; + struct acpi_evaluate_info *evaluate_info; +}; + +/* TBD: [Restructure] Merge with struct above */ + +struct acpi_walk_info { + u32 debug_level; + u32 count; + acpi_owner_id owner_id; + u8 display_type; +}; + +/* Display Types */ + +#define ACPI_DISPLAY_SUMMARY (u8) 0 +#define ACPI_DISPLAY_OBJECTS (u8) 1 +#define ACPI_DISPLAY_MASK (u8) 1 + +#define ACPI_DISPLAY_SHORT (u8) 2 + #endif |