4  * Module Name: nseval - Object evaluation, includes control method execution
28  *                  prefix_node     - Prefix or Method/Object Node to execute
29  *                  relative_path   - Name of method to execute, If NULL, the
31  *                  parameters      - List of parameters to pass to the method,
35  *                  return_object   - Where to put method's return value (if
41  * DESCRIPTION: Execute a control method or return the current value of an
76 	 * For a method alias, we must grab the actual method node so that  in acpi_ns_evaluate()
137 	 * this method/object matches the actual ASL/AML definition.  in acpi_ns_evaluate()
150 	 * 2) The object is a control method -- execute it  in acpi_ns_evaluate()
151 	 * 3) The object is not a method -- just return it's current value  in acpi_ns_evaluate()
176 		 * 2) Object is a control method - execute it  in acpi_ns_evaluate()
179 		/* Verify that there is a method object associated with this node */  in acpi_ns_evaluate()
183 				    "%s: Method has no attached sub-object",  in acpi_ns_evaluate()
190 				  "**** Execute method [%s] at AML address %p length %X\n",  in acpi_ns_evaluate()
192 				  info->obj_desc->method.aml_start + 1,  in acpi_ns_evaluate()
193 				  info->obj_desc->method.aml_length - 1));  in acpi_ns_evaluate()
200 		 * Execute the method via the interpreter. The interpreter is locked  in acpi_ns_evaluate()
210 		 * 3) All other non-method objects -- get the current object value  in acpi_ns_evaluate()
221 		 * the Node is guaranteed to not be a reference to either a method  in acpi_ns_evaluate()
222 		 * local or a method argument (because this interface is never called  in acpi_ns_evaluate()
223 		 * from a running method.)  in acpi_ns_evaluate()
307  * RETURN:      None. Exceptions during method execution are ignored, since
311  *              Each element is executed as a single control method.
314  * code that is outside of any control method is wrapped with a temporary
315  * control method object and placed on a global list. The methods on this
352 	/* Walk the list, executing each "method" */  in acpi_ns_exec_module_code_list()
356 		next = next->method.mutex;  in acpi_ns_exec_module_code_list()
358 		/* Clear the link field and execute the method */  in acpi_ns_exec_module_code_list()
360 		prev->method.mutex = NULL;  in acpi_ns_exec_module_code_list()
364 		/* Delete the (temporary) method object */  in acpi_ns_exec_module_code_list()
382  *              info                - Info block for method evaluation
384  * RETURN:      None. Exceptions during method execution are ignored, since
387  * DESCRIPTION: Execute a control method containing a block of module-level
388  *              executable AML code. The control method is temporarily
406 	 * of the method object descriptor.  in acpi_ns_exec_module_code()
410 				    method_obj->method.next_object);  in acpi_ns_exec_module_code()
414 	 * Get the region handler and save it in the method object. We may need  in acpi_ns_exec_module_code()
415 	 * this if an operation region declaration causes a _REG method to be run.  in acpi_ns_exec_module_code()
421 		method_obj->method.dispatch.handler =  in acpi_ns_exec_module_code()
427 	method_obj->method.next_object = NULL;  in acpi_ns_exec_module_code()
436 	 * because the ref count will be decreased when the method object  in acpi_ns_exec_module_code()
444 	/* Install the method (module-level code) in the parent node */  in acpi_ns_exec_module_code()
452 	/* Execute the parent node as a control method */  in acpi_ns_exec_module_code()
458 			  method_obj->method.aml_start));  in acpi_ns_exec_module_code()
466 	/* Detach the temporary method object */  in acpi_ns_exec_module_code()