*****************************************************************************/
/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
****************************************************************************/
/*
- * 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 {
struct acpi_walk_state *next; /* Next walk_state in list */
u16 opcode; /* Current AML opcode */
u8 next_op_info; /* Info about next_op */
u8 num_operands; /* Stack pointer for Operands[] array */
+ u8 operand_index; /* Index into operand stack, to be used by acpi_ds_obj_stack_push */
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;
u8 scope_depth;
u8 pass_number; /* Parse pass during table load */
+ u8 result_size; /* Total elements for the result stack */
+ u8 result_count; /* Current number of occupied elements of result stack */
u32 aml_offset;
u32 arg_types;
u32 method_breakpoint; /* For single stepping */
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 *method_call_node; /* Called method Node */
union acpi_parse_object *method_call_op; /* method_call Op if running a method */
u16 buffer_init;
u16 package_init;
u16 object_count;
- 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;
+ u32 table_index;
};
-/* 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;
- char *hid;
+ const char *hid;
};
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 param_count;
u8 pass_number;
- u8 parameter_type;
u8 return_object_type;
+ u8 flags;
};
-/* Types for parameter_type above */
+/* 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 */
-#define ACPI_PARAM_ARGS 0
-#define ACPI_PARAM_GPE 1
+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