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path: root/drivers/acpi/dispatcher/dsmthdat.c
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Diffstat (limited to 'drivers/acpi/dispatcher/dsmthdat.c')
-rw-r--r--drivers/acpi/dispatcher/dsmthdat.c195
1 files changed, 115 insertions, 80 deletions
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index f31d095f9833..f7998306f756 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -52,6 +52,29 @@
#define _COMPONENT ACPI_DISPATCHER
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
+
/*******************************************************************************
*
@@ -62,8 +85,8 @@
* 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
@@ -92,7 +115,8 @@ acpi_ds_method_data_init (
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].flags = ANOBJ_END_OF_PEER_LIST |
+ ANOBJ_METHOD_ARG;
}
/* Init the method locals */
@@ -104,7 +128,8 @@ acpi_ds_method_data_init (
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].flags = ANOBJ_END_OF_PEER_LIST |
+ ANOBJ_METHOD_LOCAL;
}
return_VOID;
@@ -198,15 +223,18 @@ acpi_ds_method_data_init_args (
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);
+ status = acpi_ds_method_data_set_value (AML_ARG_OP, index,
+ params[index], walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
@@ -224,11 +252,13 @@ acpi_ds_method_data_init_args (
* 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: Get the Node associated with a local or arg.
+ * RETURN: Status and node
+ *
+ * DESCRIPTION: Get the Node associated with a local or arg.
*
******************************************************************************/
@@ -249,7 +279,8 @@ acpi_ds_method_data_get_node (
case AML_LOCAL_OP:
if (index > ACPI_METHOD_MAX_LOCAL) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Local index %d is invalid (max %d)\n",
+ 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);
}
@@ -262,7 +293,8 @@ acpi_ds_method_data_get_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",
+ 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);
}
@@ -286,7 +318,7 @@ acpi_ds_method_data_get_node (
* 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
*
@@ -297,7 +329,7 @@ acpi_ds_method_data_get_node (
*
******************************************************************************/
-acpi_status
+static acpi_status
acpi_ds_method_data_set_value (
u16 opcode,
u32 index,
@@ -340,68 +372,16 @@ acpi_ds_method_data_set_value (
/*******************************************************************************
*
- * 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
- *
- ******************************************************************************/
-#ifdef ACPI_FUTURE_USAGE
-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 /* ACPI_FUTURE_USAGE */
-
-
-/*******************************************************************************
- *
* 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
* 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().
*
******************************************************************************/
@@ -467,14 +447,16 @@ acpi_ds_method_data_get_value (
else switch (opcode) {
case AML_ARG_OP:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Arg[%d] at node %p\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Uninitialized Arg[%d] at node %p\n",
index, node));
return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG);
case AML_LOCAL_OP:
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Local[%d] at node %p\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Uninitialized Local[%d] at node %p\n",
index, node));
return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL);
@@ -506,12 +488,12 @@ acpi_ds_method_data_get_value (
*
* 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
+static void
acpi_ds_method_data_delete_value (
u16 opcode,
u32 index,
@@ -562,7 +544,7 @@ acpi_ds_method_data_delete_value (
* 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
*
@@ -651,19 +633,20 @@ acpi_ds_store_object_to_local (
*/
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.
+ * Make sure that the object is the correct type. This may be
+ * overkill, butit is here because references were NS nodes in
+ * the past. Now they are operand objects of type Reference.
*/
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)));
+ 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 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)) {
@@ -713,3 +696,55 @@ acpi_ds_store_object_to_local (
}
+#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
+
+