| /******************************************************************************* |
| * |
| * Module Name: dsmthdat - control method arguments and local variables |
| * |
| ******************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2010, Intel Corp. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #include <acpi/acpi.h> |
| #include "accommon.h" |
| #include "acdispat.h" |
| #include "acnamesp.h" |
| #include "acinterp.h" |
| |
| #define _COMPONENT ACPI_DISPATCHER |
| ACPI_MODULE_NAME("dsmthdat") |
| |
| /* Local prototypes */ |
| static void |
| acpi_ds_method_data_delete_value(u8 type, |
| u32 index, struct acpi_walk_state *walk_state); |
| |
| static acpi_status |
| acpi_ds_method_data_set_value(u8 type, |
| u32 index, |
| union acpi_operand_object *object, |
| struct acpi_walk_state *walk_state); |
| |
| #ifdef ACPI_OBSOLETE_FUNCTIONS |
| acpi_object_type |
| acpi_ds_method_data_get_type(u16 opcode, |
| u32 index, struct acpi_walk_state *walk_state); |
| #endif |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_init |
| * |
| * PARAMETERS: walk_state - Current walk state object |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Initialize the data structures that hold the method's arguments |
| * and locals. The data struct is an array of namespace nodes for |
| * each - this allows ref_of and de_ref_of to work properly for these |
| * special data types. |
| * |
| * NOTES: walk_state fields are initialized to zero by the |
| * ACPI_ALLOCATE_ZEROED(). |
| * |
| * A pseudo-Namespace Node is assigned to each argument and local |
| * so that ref_of() can return a pointer to the Node. |
| * |
| ******************************************************************************/ |
| |
| void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) |
| { |
| u32 i; |
| |
| ACPI_FUNCTION_TRACE(ds_method_data_init); |
| |
| /* Init the method arguments */ |
| |
| for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++) { |
| ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name, |
| NAMEOF_ARG_NTE); |
| walk_state->arguments[i].name.integer |= (i << 24); |
| walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED; |
| walk_state->arguments[i].type = ACPI_TYPE_ANY; |
| walk_state->arguments[i].flags = |
| ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG; |
| } |
| |
| /* Init the method locals */ |
| |
| for (i = 0; i < ACPI_METHOD_NUM_LOCALS; i++) { |
| ACPI_MOVE_32_TO_32(&walk_state->local_variables[i].name, |
| NAMEOF_LOCAL_NTE); |
| |
| walk_state->local_variables[i].name.integer |= (i << 24); |
| walk_state->local_variables[i].descriptor_type = |
| ACPI_DESC_TYPE_NAMED; |
| walk_state->local_variables[i].type = ACPI_TYPE_ANY; |
| walk_state->local_variables[i].flags = |
| ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL; |
| } |
| |
| return_VOID; |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_delete_all |
| * |
| * PARAMETERS: walk_state - Current walk state object |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Delete method locals and arguments. Arguments are only |
| * deleted if this method was called from another method. |
| * |
| ******************************************************************************/ |
| |
| void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state) |
| { |
| u32 index; |
| |
| ACPI_FUNCTION_TRACE(ds_method_data_delete_all); |
| |
| /* Detach the locals */ |
| |
| for (index = 0; index < ACPI_METHOD_NUM_LOCALS; index++) { |
| if (walk_state->local_variables[index].object) { |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%u=%p\n", |
| index, |
| walk_state->local_variables[index]. |
| object)); |
| |
| /* Detach object (if present) and remove a reference */ |
| |
| acpi_ns_detach_object(&walk_state-> |
| local_variables[index]); |
| } |
| } |
| |
| /* Detach the arguments */ |
| |
| for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) { |
| if (walk_state->arguments[index].object) { |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%u=%p\n", |
| index, |
| walk_state->arguments[index].object)); |
| |
| /* Detach object (if present) and remove a reference */ |
| |
| acpi_ns_detach_object(&walk_state->arguments[index]); |
| } |
| } |
| |
| return_VOID; |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_init_args |
| * |
| * PARAMETERS: *Params - Pointer to a parameter list for the method |
| * max_param_count - The arg count for this method |
| * walk_state - Current walk state object |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Initialize arguments for a method. The parameter list is a list |
| * of ACPI operand objects, either null terminated or whose length |
| * is defined by max_param_count. |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_method_data_init_args(union acpi_operand_object **params, |
| u32 max_param_count, |
| struct acpi_walk_state *walk_state) |
| { |
| acpi_status status; |
| u32 index = 0; |
| |
| ACPI_FUNCTION_TRACE_PTR(ds_method_data_init_args, params); |
| |
| if (!params) { |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, |
| "No param list passed to method\n")); |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /* Copy passed parameters into the new method stack frame */ |
| |
| while ((index < ACPI_METHOD_NUM_ARGS) && |
| (index < max_param_count) && params[index]) { |
| /* |
| * A valid parameter. |
| * Store the argument in the method/walk descriptor. |
| * Do not copy the arg in order to implement call by reference |
| */ |
| status = acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index, |
| params[index], |
| walk_state); |
| if (ACPI_FAILURE(status)) { |
| return_ACPI_STATUS(status); |
| } |
| |
| index++; |
| } |
| |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%u args passed to method\n", index)); |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_get_node |
| * |
| * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or |
| * ACPI_REFCLASS_ARG |
| * Index - Which Local or Arg whose type to get |
| * walk_state - Current walk state object |
| * Node - Where the node is returned. |
| * |
| * RETURN: Status and node |
| * |
| * DESCRIPTION: Get the Node associated with a local or arg. |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_method_data_get_node(u8 type, |
| u32 index, |
| struct acpi_walk_state *walk_state, |
| struct acpi_namespace_node **node) |
| { |
| ACPI_FUNCTION_TRACE(ds_method_data_get_node); |
| |
| /* |
| * Method Locals and Arguments are supported |
| */ |
| switch (type) { |
| case ACPI_REFCLASS_LOCAL: |
| |
| if (index > ACPI_METHOD_MAX_LOCAL) { |
| ACPI_ERROR((AE_INFO, |
| "Local index %u is invalid (max %u)", |
| index, ACPI_METHOD_MAX_LOCAL)); |
| return_ACPI_STATUS(AE_AML_INVALID_INDEX); |
| } |
| |
| /* Return a pointer to the pseudo-node */ |
| |
| *node = &walk_state->local_variables[index]; |
| break; |
| |
| case ACPI_REFCLASS_ARG: |
| |
| if (index > ACPI_METHOD_MAX_ARG) { |
| ACPI_ERROR((AE_INFO, |
| "Arg index %u is invalid (max %u)", |
| index, ACPI_METHOD_MAX_ARG)); |
| return_ACPI_STATUS(AE_AML_INVALID_INDEX); |
| } |
| |
| /* Return a pointer to the pseudo-node */ |
| |
| *node = &walk_state->arguments[index]; |
| break; |
| |
| default: |
| ACPI_ERROR((AE_INFO, "Type %u is invalid", type)); |
| return_ACPI_STATUS(AE_TYPE); |
| } |
| |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_set_value |
| * |
| * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or |
| * ACPI_REFCLASS_ARG |
| * Index - Which Local or Arg to get |
| * Object - Object to be inserted into the stack entry |
| * walk_state - Current walk state object |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index. |
| * Note: There is no "implicit conversion" for locals. |
| * |
| ******************************************************************************/ |
| |
| static acpi_status |
| acpi_ds_method_data_set_value(u8 type, |
| u32 index, |
| union acpi_operand_object *object, |
| struct acpi_walk_state *walk_state) |
| { |
| acpi_status status; |
| struct acpi_namespace_node *node; |
| |
| ACPI_FUNCTION_TRACE(ds_method_data_set_value); |
| |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, |
| "NewObj %p Type %2.2X, Refs=%u [%s]\n", object, |
| type, object->common.reference_count, |
| acpi_ut_get_type_name(object->common.type))); |
| |
| /* Get the namespace node for the arg/local */ |
| |
| status = acpi_ds_method_data_get_node(type, index, walk_state, &node); |
| if (ACPI_FAILURE(status)) { |
| return_ACPI_STATUS(status); |
| } |
| |
| /* |
| * Increment ref count so object can't be deleted while installed. |
| * NOTE: We do not copy the object in order to preserve the call by |
| * reference semantics of ACPI Control Method invocation. |
| * (See ACPI Specification 2.0_c) |
| */ |
| acpi_ut_add_reference(object); |
| |
| /* Install the object */ |
| |
| node->object = object; |
| return_ACPI_STATUS(status); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_get_value |
| * |
| * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or |
| * ACPI_REFCLASS_ARG |
| * Index - Which local_var or argument to get |
| * walk_state - Current walk state object |
| * dest_desc - Where Arg or Local value is returned |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Retrieve value of selected Arg or Local for this method |
| * Used only in acpi_ex_resolve_to_value(). |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_method_data_get_value(u8 type, |
| u32 index, |
| struct acpi_walk_state *walk_state, |
| union acpi_operand_object **dest_desc) |
| { |
| acpi_status status; |
| struct acpi_namespace_node *node; |
| union acpi_operand_object *object; |
| |
| ACPI_FUNCTION_TRACE(ds_method_data_get_value); |
| |
| /* Validate the object descriptor */ |
| |
| if (!dest_desc) { |
| ACPI_ERROR((AE_INFO, "Null object descriptor pointer")); |
| return_ACPI_STATUS(AE_BAD_PARAMETER); |
| } |
| |
| /* Get the namespace node for the arg/local */ |
| |
| status = acpi_ds_method_data_get_node(type, index, walk_state, &node); |
| if (ACPI_FAILURE(status)) { |
| return_ACPI_STATUS(status); |
| } |
| |
| /* Get the object from the node */ |
| |
| object = node->object; |
| |
| /* Examine the returned object, it must be valid. */ |
| |
| if (!object) { |
| /* |
| * Index points to uninitialized object. |
| * This means that either 1) The expected argument was |
| * not passed to the method, or 2) A local variable |
| * was referenced by the method (via the ASL) |
| * before it was initialized. Either case is an error. |
| */ |
| |
| /* If slack enabled, init the local_x/arg_x to an Integer of value zero */ |
| |
| if (acpi_gbl_enable_interpreter_slack) { |
| object = acpi_ut_create_integer_object((u64) 0); |
| if (!object) { |
| return_ACPI_STATUS(AE_NO_MEMORY); |
| } |
| |
| node->object = object; |
| } |
| |
| /* Otherwise, return the error */ |
| |
| else |
| switch (type) { |
| case ACPI_REFCLASS_ARG: |
| |
| ACPI_ERROR((AE_INFO, |
| "Uninitialized Arg[%u] at node %p", |
| index, node)); |
| |
| return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG); |
| |
| case ACPI_REFCLASS_LOCAL: |
| |
| /* |
| * No error message for this case, will be trapped again later to |
| * detect and ignore cases of Store(local_x,local_x) |
| */ |
| return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL); |
| |
| default: |
| |
| ACPI_ERROR((AE_INFO, |
| "Not a Arg/Local opcode: 0x%X", |
| type)); |
| return_ACPI_STATUS(AE_AML_INTERNAL); |
| } |
| } |
| |
| /* |
| * The Index points to an initialized and valid object. |
| * Return an additional reference to the object |
| */ |
| *dest_desc = object; |
| acpi_ut_add_reference(object); |
| |
| return_ACPI_STATUS(AE_OK); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_delete_value |
| * |
| * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or |
| * ACPI_REFCLASS_ARG |
| * Index - Which local_var or argument to delete |
| * walk_state - Current walk state object |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Delete the entry at Opcode:Index. Inserts |
| * a null into the stack slot after the object is deleted. |
| * |
| ******************************************************************************/ |
| |
| static void |
| acpi_ds_method_data_delete_value(u8 type, |
| u32 index, struct acpi_walk_state *walk_state) |
| { |
| acpi_status status; |
| struct acpi_namespace_node *node; |
| union acpi_operand_object *object; |
| |
| ACPI_FUNCTION_TRACE(ds_method_data_delete_value); |
| |
| /* Get the namespace node for the arg/local */ |
| |
| status = acpi_ds_method_data_get_node(type, index, walk_state, &node); |
| if (ACPI_FAILURE(status)) { |
| return_VOID; |
| } |
| |
| /* Get the associated object */ |
| |
| object = acpi_ns_get_attached_object(node); |
| |
| /* |
| * Undefine the Arg or Local by setting its descriptor |
| * pointer to NULL. Locals/Args can contain both |
| * ACPI_OPERAND_OBJECTS and ACPI_NAMESPACE_NODEs |
| */ |
| node->object = NULL; |
| |
| if ((object) && |
| (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_OPERAND)) { |
| /* |
| * There is a valid object. |
| * Decrement the reference count by one to balance the |
| * increment when the object was stored. |
| */ |
| acpi_ut_remove_reference(object); |
| } |
| |
| return_VOID; |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_store_object_to_local |
| * |
| * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or |
| * ACPI_REFCLASS_ARG |
| * Index - Which Local or Arg to set |
| * obj_desc - Value to be stored |
| * walk_state - Current walk state |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Store a value in an Arg or Local. The obj_desc is installed |
| * as the new value for the Arg or Local and the reference count |
| * for obj_desc is incremented. |
| * |
| ******************************************************************************/ |
| |
| acpi_status |
| acpi_ds_store_object_to_local(u8 type, |
| u32 index, |
| union acpi_operand_object *obj_desc, |
| struct acpi_walk_state *walk_state) |
| { |
| acpi_status status; |
| struct acpi_namespace_node *node; |
| union acpi_operand_object *current_obj_desc; |
| union acpi_operand_object *new_obj_desc; |
| |
| ACPI_FUNCTION_TRACE(ds_store_object_to_local); |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%u Obj=%p\n", |
| type, index, obj_desc)); |
| |
| /* Parameter validation */ |
| |
| if (!obj_desc) { |
| return_ACPI_STATUS(AE_BAD_PARAMETER); |
| } |
| |
| /* Get the namespace node for the arg/local */ |
| |
| status = acpi_ds_method_data_get_node(type, index, walk_state, &node); |
| if (ACPI_FAILURE(status)) { |
| return_ACPI_STATUS(status); |
| } |
| |
| current_obj_desc = acpi_ns_get_attached_object(node); |
| if (current_obj_desc == obj_desc) { |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p already installed!\n", |
| obj_desc)); |
| return_ACPI_STATUS(status); |
| } |
| |
| /* |
| * If the reference count on the object is more than one, we must |
| * take a copy of the object before we store. A reference count |
| * of exactly 1 means that the object was just created during the |
| * evaluation of an expression, and we can safely use it since it |
| * is not used anywhere else. |
| */ |
| new_obj_desc = obj_desc; |
| if (obj_desc->common.reference_count > 1) { |
| status = |
| acpi_ut_copy_iobject_to_iobject(obj_desc, &new_obj_desc, |
| walk_state); |
| if (ACPI_FAILURE(status)) { |
| return_ACPI_STATUS(status); |
| } |
| } |
| |
| /* |
| * If there is an object already in this slot, we either |
| * have to delete it, or if this is an argument and there |
| * is an object reference stored there, we have to do |
| * an indirect store! |
| */ |
| if (current_obj_desc) { |
| /* |
| * Check for an indirect store if an argument |
| * contains an object reference (stored as an Node). |
| * We don't allow this automatic dereferencing for |
| * locals, since a store to a local should overwrite |
| * anything there, including an object reference. |
| * |
| * If both Arg0 and Local0 contain ref_of (Local4): |
| * |
| * Store (1, Arg0) - Causes indirect store to local4 |
| * Store (1, Local0) - Stores 1 in local0, overwriting |
| * the reference to local4 |
| * Store (1, de_refof (Local0)) - Causes indirect store to local4 |
| * |
| * Weird, but true. |
| */ |
| if (type == ACPI_REFCLASS_ARG) { |
| /* |
| * If we have a valid reference object that came from ref_of(), |
| * do the indirect store |
| */ |
| if ((ACPI_GET_DESCRIPTOR_TYPE(current_obj_desc) == |
| ACPI_DESC_TYPE_OPERAND) |
| && (current_obj_desc->common.type == |
| ACPI_TYPE_LOCAL_REFERENCE) |
| && (current_obj_desc->reference.class == |
| ACPI_REFCLASS_REFOF)) { |
| ACPI_DEBUG_PRINT((ACPI_DB_EXEC, |
| "Arg (%p) is an ObjRef(Node), storing in node %p\n", |
| new_obj_desc, |
| current_obj_desc)); |
| |
| /* |
| * Store this object to the Node (perform the indirect store) |
| * NOTE: No implicit conversion is performed, as per the ACPI |
| * specification rules on storing to Locals/Args. |
| */ |
| status = |
| acpi_ex_store_object_to_node(new_obj_desc, |
| current_obj_desc-> |
| reference. |
| object, |
| walk_state, |
| ACPI_NO_IMPLICIT_CONVERSION); |
| |
| /* Remove local reference if we copied the object above */ |
| |
| if (new_obj_desc != obj_desc) { |
| acpi_ut_remove_reference(new_obj_desc); |
| } |
| return_ACPI_STATUS(status); |
| } |
| } |
| |
| /* Delete the existing object before storing the new one */ |
| |
| acpi_ds_method_data_delete_value(type, index, walk_state); |
| } |
| |
| /* |
| * Install the Obj descriptor (*new_obj_desc) into |
| * the descriptor for the Arg or Local. |
| * (increments the object reference count by one) |
| */ |
| status = |
| acpi_ds_method_data_set_value(type, index, new_obj_desc, |
| walk_state); |
| |
| /* Remove local reference if we copied the object above */ |
| |
| if (new_obj_desc != obj_desc) { |
| acpi_ut_remove_reference(new_obj_desc); |
| } |
| |
| return_ACPI_STATUS(status); |
| } |
| |
| #ifdef ACPI_OBSOLETE_FUNCTIONS |
| /******************************************************************************* |
| * |
| * FUNCTION: acpi_ds_method_data_get_type |
| * |
| * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP |
| * Index - Which Local or Arg whose type to get |
| * walk_state - Current walk state object |
| * |
| * RETURN: Data type of current value of the selected Arg or Local |
| * |
| * DESCRIPTION: Get the type of the object stored in the Local or Arg |
| * |
| ******************************************************************************/ |
| |
| acpi_object_type |
| acpi_ds_method_data_get_type(u16 opcode, |
| u32 index, struct acpi_walk_state *walk_state) |
| { |
| acpi_status status; |
| struct acpi_namespace_node *node; |
| union acpi_operand_object *object; |
| |
| ACPI_FUNCTION_TRACE(ds_method_data_get_type); |
| |
| /* Get the namespace node for the arg/local */ |
| |
| status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node); |
| if (ACPI_FAILURE(status)) { |
| return_VALUE((ACPI_TYPE_NOT_FOUND)); |
| } |
| |
| /* Get the object */ |
| |
| object = acpi_ns_get_attached_object(node); |
| if (!object) { |
| |
| /* Uninitialized local/arg, return TYPE_ANY */ |
| |
| return_VALUE(ACPI_TYPE_ANY); |
| } |
| |
| /* Get the object type */ |
| |
| return_VALUE(object->type); |
| } |
| #endif |