******************************************************************************/
/*
- * Copyright (C) 2000 - 2004, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acdispat.h>
#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
#include <acpi/acinterp.h>
-
#define _COMPONENT ACPI_DISPATCHER
- ACPI_MODULE_NAME ("dsmthdat")
+ACPI_MODULE_NAME("dsmthdat")
+/* Local prototypes */
+static void
+acpi_ds_method_data_delete_value(u16 opcode,
+ u32 index, struct acpi_walk_state *walk_state);
+
+static acpi_status
+acpi_ds_method_data_set_value(u16 opcode,
+ 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
/*******************************************************************************
*
* RETURN: Status
*
* DESCRIPTION: Initialize the data structures that hold the method's arguments
- * and locals. The data struct is an array of NTEs for each.
- * This allows ref_of and de_ref_of to work properly for these
+ * 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_MEM_CALLOCATE().
+ * 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)
+void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
{
- u32 i;
-
-
- ACPI_FUNCTION_TRACE ("ds_method_data_init");
+ 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,
+ 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 = 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;
+ 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,
+ 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 = 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;
+ 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
*
******************************************************************************/
-void
-acpi_ds_method_data_delete_all (
- struct acpi_walk_state *walk_state)
+void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
{
- u32 index;
-
-
- ACPI_FUNCTION_TRACE ("ds_method_data_delete_all");
+ 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%d=%p\n",
- index, walk_state->local_variables[index].object));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%d=%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]);
+ acpi_ns_detach_object(&walk_state->
+ local_variables[index]);
}
}
for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) {
if (walk_state->arguments[index].object) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
- index, walk_state->arguments[index].object));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
+ index,
+ walk_state->arguments[index].object));
/* Detach object (if present) and remove a reference */
- acpi_ns_detach_object (&walk_state->arguments[index]);
+ acpi_ns_detach_object(&walk_state->arguments[index]);
}
}
return_VOID;
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_method_data_init_args
******************************************************************************/
acpi_status
-acpi_ds_method_data_init_args (
- union acpi_operand_object **params,
- u32 max_param_count,
- struct acpi_walk_state *walk_state)
+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);
+ 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);
+ 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 */
+ /* Copy passed parameters into the new method stack frame */
- while ((index < ACPI_METHOD_NUM_ARGS) && (index < max_param_count) && params[index]) {
+ 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 (AML_ARG_OP, index, params[index], walk_state);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_method_data_set_value(AML_ARG_OP, index,
+ params[index],
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
index++;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%d args passed to method\n", index));
- return_ACPI_STATUS (AE_OK);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%d args passed to method\n", index));
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_method_data_get_node
*
* PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument whose type
- * to get
+ * 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
*
- * RETURN: Get the Node associated with a local or arg.
+ * DESCRIPTION: Get the Node associated with a local or arg.
*
******************************************************************************/
acpi_status
-acpi_ds_method_data_get_node (
- u16 opcode,
- u32 index,
- struct acpi_walk_state *walk_state,
- struct acpi_namespace_node **node)
+acpi_ds_method_data_get_node(u16 opcode,
+ u32 index,
+ struct acpi_walk_state *walk_state,
+ struct acpi_namespace_node **node)
{
- ACPI_FUNCTION_TRACE ("ds_method_data_get_node");
-
+ ACPI_FUNCTION_TRACE(ds_method_data_get_node);
/*
* Method Locals and Arguments are supported
case AML_LOCAL_OP:
if (index > ACPI_METHOD_MAX_LOCAL) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Local index %d is invalid (max %d)\n",
- index, ACPI_METHOD_MAX_LOCAL));
- return_ACPI_STATUS (AE_AML_INVALID_INDEX);
+ ACPI_ERROR((AE_INFO,
+ "Local index %d is invalid (max %d)",
+ index, ACPI_METHOD_MAX_LOCAL));
+ return_ACPI_STATUS(AE_AML_INVALID_INDEX);
}
/* Return a pointer to the pseudo-node */
case AML_ARG_OP:
if (index > ACPI_METHOD_MAX_ARG) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Arg index %d is invalid (max %d)\n",
- index, ACPI_METHOD_MAX_ARG));
- return_ACPI_STATUS (AE_AML_INVALID_INDEX);
+ ACPI_ERROR((AE_INFO,
+ "Arg index %d is invalid (max %d)",
+ index, ACPI_METHOD_MAX_ARG));
+ return_ACPI_STATUS(AE_AML_INVALID_INDEX);
}
/* Return a pointer to the pseudo-node */
break;
default:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Opcode %d is invalid\n", opcode));
- return_ACPI_STATUS (AE_AML_BAD_OPCODE);
+ ACPI_ERROR((AE_INFO, "Opcode %d is invalid", opcode));
+ return_ACPI_STATUS(AE_AML_BAD_OPCODE);
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_method_data_set_value
*
* PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument to get
+ * Index - Which Local or Arg to get
* Object - Object to be inserted into the stack entry
* walk_state - Current walk state object
*
*
******************************************************************************/
-acpi_status
-acpi_ds_method_data_set_value (
- u16 opcode,
- u32 index,
- union acpi_operand_object *object,
- struct acpi_walk_state *walk_state)
+static acpi_status
+acpi_ds_method_data_set_value(u16 opcode,
+ 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_status status;
+ struct acpi_namespace_node *node;
+ ACPI_FUNCTION_TRACE(ds_method_data_set_value);
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "obj %p op %X, ref count = %d [%s]\n", object,
- opcode, object->common.reference_count,
- acpi_ut_get_type_name (object->common.type)));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "NewObj %p Opcode %X, Refs=%d [%s]\n", object,
+ opcode, 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 (opcode, index, walk_state, &node);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_method_data_get_node(opcode, 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)
+ * (See ACPI Specification 2.0_c)
*/
- acpi_ut_add_reference (object);
+ acpi_ut_add_reference(object);
/* Install the object */
node->object = object;
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_method_data_get_type
- *
- * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument whose type
- * to get
- * walk_state - Current walk state object
- *
- * RETURN: Data type of current value of the selected Arg or Local
- *
- ******************************************************************************/
-
-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 (ACPI_GET_OBJECT_TYPE (object));
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_method_data_get_value
*
* PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument to get
+ * Index - Which local_var or argument to get
* walk_state - Current walk state object
- * *dest_desc - Ptr to Descriptor into which selected Arg
- * or Local value should be copied
+ * dest_desc - Where Arg or Local value is returned
*
* RETURN: Status
*
- * DESCRIPTION: Retrieve value of selected Arg or Local from the method frame
- * at the current top of the method stack.
+ * 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 (
- u16 opcode,
- u32 index,
- struct acpi_walk_state *walk_state,
- union acpi_operand_object **dest_desc)
+acpi_ds_method_data_get_value(u16 opcode,
+ 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");
+ 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_DEBUG_PRINT ((ACPI_DB_ERROR, "Null object descriptor pointer\n"));
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ 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 (opcode, index, walk_state, &node);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Get the object from the node */
* was referenced by the method (via the ASL)
* before it was initialized. Either case is an error.
*/
- switch (opcode) {
- case AML_ARG_OP:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Arg[%d] at node %p\n",
- index, node));
+ /* If slack enabled, init the local_x/arg_x to an Integer of value zero */
- return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG);
+ if (acpi_gbl_enable_interpreter_slack) {
+ object =
+ acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
+ if (!object) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
- case AML_LOCAL_OP:
+ object->integer.value = 0;
+ node->object = object;
+ }
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Local[%d] at node %p\n",
- index, node));
+ /* Otherwise, return the error */
- return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL);
+ else
+ switch (opcode) {
+ case AML_ARG_OP:
- default:
- ACPI_REPORT_ERROR (("Not Arg/Local opcode: %X\n", opcode));
- return_ACPI_STATUS (AE_AML_INTERNAL);
- }
+ ACPI_ERROR((AE_INFO,
+ "Uninitialized Arg[%d] at node %p",
+ index, node));
+
+ return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
+
+ case AML_LOCAL_OP:
+
+ ACPI_ERROR((AE_INFO,
+ "Uninitialized Local[%d] at node %p",
+ index, node));
+
+ return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL);
+
+ default:
+ ACPI_ERROR((AE_INFO,
+ "Not a Arg/Local opcode: %X",
+ opcode));
+ return_ACPI_STATUS(AE_AML_INTERNAL);
+ }
}
/*
* Return an additional reference to the object
*/
*dest_desc = object;
- acpi_ut_add_reference (object);
+ acpi_ut_add_reference(object);
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_method_data_delete_value
*
* PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument to delete
+ * Index - Which local_var or argument to delete
* walk_state - Current walk state object
*
* RETURN: None
*
- * DESCRIPTION: Delete the entry at Opcode:Index on the method stack. Inserts
+ * DESCRIPTION: Delete the entry at Opcode:Index. Inserts
* a null into the stack slot after the object is deleted.
*
******************************************************************************/
-void
-acpi_ds_method_data_delete_value (
- u16 opcode,
- u32 index,
- struct acpi_walk_state *walk_state)
+static void
+acpi_ds_method_data_delete_value(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_delete_value");
+ 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 (opcode, index, walk_state, &node);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
return_VOID;
}
/* Get the associated object */
- object = acpi_ns_get_attached_object (node);
+ object = acpi_ns_get_attached_object(node);
/*
* Undefine the Arg or Local by setting its descriptor
node->object = NULL;
if ((object) &&
- (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_OPERAND)) {
+ (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);
+ acpi_ut_remove_reference(object);
}
return_VOID;
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_store_object_to_local
*
* PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
- * Index - which local_var or argument to set
+ * Index - Which Local or Arg to set
* obj_desc - Value to be stored
* walk_state - Current walk state
*
******************************************************************************/
acpi_status
-acpi_ds_store_object_to_local (
- u16 opcode,
- u32 index,
- union acpi_operand_object *obj_desc,
- struct acpi_walk_state *walk_state)
+acpi_ds_store_object_to_local(u16 opcode,
+ 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_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, "Opcode=%d Idx=%d Obj=%p\n",
- opcode, index, obj_desc));
+ ACPI_FUNCTION_TRACE(ds_store_object_to_local);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Opcode=%X Index=%d Obj=%p\n",
+ opcode, index, obj_desc));
/* Parameter validation */
if (!obj_desc) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* 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_ACPI_STATUS (status);
+ status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- current_obj_desc = acpi_ns_get_attached_object (node);
+ 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);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p already installed!\n",
+ obj_desc));
+ return_ACPI_STATUS(status);
}
/*
*/
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);
+ status =
+ acpi_ut_copy_iobject_to_iobject(obj_desc, &new_obj_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
*/
if (opcode == AML_ARG_OP) {
/*
- * Make sure that the object is the correct type. This may be overkill, but
- * it is here because references were NS nodes in the past. Now they are
- * operand objects of type Reference.
+ * 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) {
- ACPI_REPORT_ERROR (("Invalid descriptor type while storing to method arg: [%s]\n",
- acpi_ut_get_descriptor_name (current_obj_desc)));
- return_ACPI_STATUS (AE_AML_INTERNAL);
- }
-
- /*
- * If we have a valid reference object that came from ref_of(), do the
- * indirect store
- */
- if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
- (current_obj_desc->reference.opcode == AML_REF_OF_OP)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "Arg (%p) is an obj_ref(Node), storing in node %p\n",
- new_obj_desc, current_obj_desc));
+ 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.opcode ==
+ AML_REF_OF_OP)) {
+ 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)
+ * 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);
+ 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);
+ acpi_ut_remove_reference(new_obj_desc);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
}
* Delete the existing object
* before storing the new one
*/
- acpi_ds_method_data_delete_value (opcode, index, walk_state);
+ acpi_ds_method_data_delete_value(opcode, index, walk_state);
}
/*
* the descriptor for the Arg or Local.
* (increments the object reference count by one)
*/
- status = acpi_ds_method_data_set_value (opcode, index, new_obj_desc, walk_state);
+ status =
+ acpi_ds_method_data_set_value(opcode, 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);
+ acpi_ut_remove_reference(new_obj_desc);
}
- return_ACPI_STATUS (status);
+ 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(ACPI_GET_OBJECT_TYPE(object));
+}
+#endif