*****************************************************************************/
/*
- * 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
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("excreate")
-
#ifndef ACPI_NO_METHOD_EXECUTION
/*******************************************************************************
*
struct acpi_namespace_node *alias_node;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("ex_create_alias");
+ ACPI_FUNCTION_TRACE(ex_create_alias);
/* Get the source/alias operands (both namespace nodes) */
* to the original Node.
*/
switch (target_node->type) {
+
+ /* For these types, the sub-object can change dynamically via a Store */
+
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_BUFFER_FIELD:
/*
+ * These types open a new scope, so we need the NS node in order to access
+ * any children.
+ */
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_THERMAL:
+ case ACPI_TYPE_LOCAL_SCOPE:
+
+ /*
* The new alias has the type ALIAS and points to the original
- * NS node, not the object itself. This is because for these
- * types, the object can change dynamically via a Store.
+ * NS node, not the object itself.
*/
alias_node->type = ACPI_TYPE_LOCAL_ALIAS;
alias_node->object =
case ACPI_TYPE_METHOD:
/*
- * The new alias has the type ALIAS and points to the original
- * NS node, not the object itself. This is because for these
- * types, the object can change dynamically via a Store.
+ * Control method aliases need to be differentiated
*/
alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS;
alias_node->object =
acpi_status status;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE("ex_create_event");
+ ACPI_FUNCTION_TRACE(ex_create_event);
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_EVENT);
if (!obj_desc) {
* that the event is created in an unsignalled state
*/
status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0,
- &obj_desc->event.semaphore);
+ &obj_desc->event.os_semaphore);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
acpi_status status = AE_OK;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE_PTR("ex_create_mutex", ACPI_WALK_OPERANDS);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_mutex, ACPI_WALK_OPERANDS);
/* Create the new mutex object */
goto cleanup;
}
- /*
- * Create the actual OS semaphore.
- * One unit max to make it a mutex, with one initial unit to allow
- * the mutex to be acquired.
- */
- status = acpi_os_create_semaphore(1, 1, &obj_desc->mutex.semaphore);
+ /* Create the actual OS Mutex */
+
+ status = acpi_os_create_mutex(&obj_desc->mutex.os_mutex);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
obj_desc->mutex.node =
(struct acpi_namespace_node *)walk_state->operands[0];
- status = acpi_ns_attach_object(obj_desc->mutex.node,
- obj_desc, ACPI_TYPE_MUTEX);
+ status =
+ acpi_ns_attach_object(obj_desc->mutex.node, obj_desc,
+ ACPI_TYPE_MUTEX);
cleanup:
/*
struct acpi_namespace_node *node;
union acpi_operand_object *region_obj2;
- ACPI_FUNCTION_TRACE("ex_create_region");
+ ACPI_FUNCTION_TRACE(ex_create_region);
/* Get the Namespace Node */
*/
if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) &&
(region_space < ACPI_USER_REGION_BEGIN)) {
- ACPI_REPORT_ERROR(("Invalid address_space type %X\n",
- region_space));
+ ACPI_ERROR((AE_INFO, "Invalid AddressSpace type %X",
+ region_space));
return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
}
/*******************************************************************************
*
- * FUNCTION: acpi_ex_create_table_region
- *
- * PARAMETERS: walk_state - Current state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create a new data_table_region object
- *
- ******************************************************************************/
-
-acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state)
-{
- acpi_status status;
- union acpi_operand_object **operand = &walk_state->operands[0];
- union acpi_operand_object *obj_desc;
- struct acpi_namespace_node *node;
- struct acpi_table_header *table;
- union acpi_operand_object *region_obj2;
-
- ACPI_FUNCTION_TRACE("ex_create_table_region");
-
- /* Get the Node from the object stack */
-
- node = walk_state->op->common.node;
-
- /*
- * If the region object is already attached to this node,
- * just return
- */
- if (acpi_ns_get_attached_object(node)) {
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Find the ACPI table */
-
- status = acpi_tb_find_table(operand[1]->string.pointer,
- operand[2]->string.pointer,
- operand[3]->string.pointer, &table);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Create the region descriptor */
-
- obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION);
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- region_obj2 = obj_desc->common.next_object;
- region_obj2->extra.region_context = NULL;
-
- /* Init the region from the operands */
-
- obj_desc->region.space_id = REGION_DATA_TABLE;
- obj_desc->region.address =
- (acpi_physical_address) ACPI_TO_INTEGER(table);
- obj_desc->region.length = table->length;
- obj_desc->region.node = node;
- obj_desc->region.flags = AOPOBJ_DATA_VALID;
-
- /* Install the new region object in the parent Node */
-
- status = acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_REGION);
- if (ACPI_FAILURE(status)) {
- goto cleanup;
- }
-
- status = acpi_ev_initialize_region(obj_desc, FALSE);
- if (ACPI_FAILURE(status)) {
- if (status == AE_NOT_EXIST) {
- status = AE_OK;
- } else {
- goto cleanup;
- }
- }
-
- obj_desc->region.flags |= AOPOBJ_SETUP_COMPLETE;
-
- cleanup:
-
- /* Remove local reference to the object */
-
- acpi_ut_remove_reference(obj_desc);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ex_create_processor
*
* PARAMETERS: walk_state - Current state
union acpi_operand_object *obj_desc;
acpi_status status;
- ACPI_FUNCTION_TRACE_PTR("ex_create_processor", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_processor, walk_state);
/* Create the processor object */
/* Initialize the processor object from the operands */
obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
+ obj_desc->processor.length = (u8) operand[3]->integer.value;
obj_desc->processor.address =
(acpi_io_address) operand[2]->integer.value;
- obj_desc->processor.length = (u8) operand[3]->integer.value;
/* Install the processor object in the parent Node */
acpi_status status;
union acpi_operand_object *obj_desc;
- ACPI_FUNCTION_TRACE_PTR("ex_create_power_resource", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_power_resource, walk_state);
/* Create the power resource object */
acpi_status status;
u8 method_flags;
- ACPI_FUNCTION_TRACE_PTR("ex_create_method", walk_state);
+ ACPI_FUNCTION_TRACE_PTR(ex_create_method, walk_state);
/* Create a new method object */
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
if (!obj_desc) {
- return_ACPI_STATUS(AE_NO_MEMORY);
+ status = AE_NO_MEMORY;
+ goto exit;
}
/* Save the method's AML pointer and length */
obj_desc->method.aml_length = aml_length;
/*
- * Disassemble the method flags. Split off the Arg Count
+ * Disassemble the method flags. Split off the Arg Count
* for efficiency
*/
method_flags = (u8) operand[1]->integer.value;
(u8) (method_flags & AML_METHOD_ARG_COUNT);
/*
- * Get the concurrency count. If required, a semaphore will be
+ * Get the sync_level. If method is serialized, a mutex will be
* created for this method when it is parsed.
*/
- if (acpi_gbl_all_methods_serialized) {
- obj_desc->method.concurrency = 1;
- obj_desc->method.method_flags |= AML_METHOD_SERIALIZED;
- } else if (method_flags & AML_METHOD_SERIALIZED) {
+ if (method_flags & AML_METHOD_SERIALIZED) {
/*
- * ACPI 1.0: Concurrency = 1
- * ACPI 2.0: Concurrency = (sync_level (in method declaration) + 1)
+ * ACPI 1.0: sync_level = 0
+ * ACPI 2.0: sync_level = sync_level in method declaration
*/
- obj_desc->method.concurrency = (u8)
- (((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4) + 1);
- } else {
- obj_desc->method.concurrency = ACPI_INFINITE_CONCURRENCY;
+ obj_desc->method.sync_level = (u8)
+ ((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4);
}
/* Attach the new object to the method Node */
acpi_ut_remove_reference(obj_desc);
+ exit:
/* Remove a reference to the operand */
acpi_ut_remove_reference(operand[1]);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff