*****************************************************************************/
/*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* RETURN: Status
*
* DESCRIPTION: This function is called to place a package object in a user
- * buffer. A package object by definition contains other objects.
+ * buffer. A package object by definition contains other objects.
*
* The buffer is assumed to have sufficient space for the object.
- * The caller must have verified the buffer length needed using the
- * acpi_ut_get_object_size function before calling this function.
+ * The caller must have verified the buffer length needed using
+ * the acpi_ut_get_object_size function before calling this function.
*
******************************************************************************/
* FUNCTION: acpi_ut_copy_iobject_to_eobject
*
* PARAMETERS: internal_object - The internal object to be converted
- * buffer_ptr - Where the object is returned
+ * ret_buffer - Where the object is returned
*
* RETURN: Status
*
- * DESCRIPTION: This function is called to build an API object to be returned to
- * the caller.
+ * DESCRIPTION: This function is called to build an API object to be returned
+ * to the caller.
*
******************************************************************************/
* PARAMETERS: external_object - The external object to be converted
* internal_object - Where the internal object is returned
*
- * RETURN: Status - the status of the call
+ * RETURN: Status
*
* DESCRIPTION: Converts an external object to an internal object.
*
*
* RETURN: Status
*
- * DESCRIPTION: Simple copy of one internal object to another. Reference count
+ * DESCRIPTION: Simple copy of one internal object to another. Reference count
* of the destination object is preserved.
*
******************************************************************************/
{
u16 reference_count;
union acpi_operand_object *next_object;
+ acpi_status status;
+ acpi_size copy_size;
/* Save fields from destination that we don't want to overwrite */
reference_count = dest_desc->common.reference_count;
next_object = dest_desc->common.next_object;
- /* Copy the entire source object over the destination object */
+ /*
+ * Copy the entire source object over the destination object.
+ * Note: Source can be either an operand object or namespace node.
+ */
+ copy_size = sizeof(union acpi_operand_object);
+ if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_NAMED) {
+ copy_size = sizeof(struct acpi_namespace_node);
+ }
- ACPI_MEMCPY((char *)dest_desc, (char *)source_desc,
- sizeof(union acpi_operand_object));
+ ACPI_MEMCPY(ACPI_CAST_PTR(char, dest_desc),
+ ACPI_CAST_PTR(char, source_desc), copy_size);
/* Restore the saved fields */
}
break;
+ /*
+ * For Mutex and Event objects, we cannot simply copy the underlying
+ * OS object. We must create a new one.
+ */
+ case ACPI_TYPE_MUTEX:
+
+ status = acpi_os_create_mutex(&dest_desc->mutex.os_mutex);
+ if (ACPI_FAILURE(status)) {
+ return status;
+ }
+ break;
+
+ case ACPI_TYPE_EVENT:
+
+ status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0,
+ &dest_desc->event.
+ os_semaphore);
+ if (ACPI_FAILURE(status)) {
+ return status;
+ }
+ break;
+
default:
/* Nothing to do for other simple objects */
break;
*
* FUNCTION: acpi_ut_copy_ipackage_to_ipackage
*
- * PARAMETERS: *source_obj - Pointer to the source package object
- * *dest_obj - Where the internal object is returned
+ * PARAMETERS: source_obj - Pointer to the source package object
+ * dest_obj - Where the internal object is returned
+ * walk_state - Current Walk state descriptor
*
- * RETURN: Status - the status of the call
+ * RETURN: Status
*
* DESCRIPTION: This function is called to copy an internal package object
* into another internal package object.
*
* FUNCTION: acpi_ut_copy_iobject_to_iobject
*
- * PARAMETERS: walk_state - Current walk state
- * source_desc - The internal object to be copied
+ * PARAMETERS: source_desc - The internal object to be copied
* dest_desc - Where the copied object is returned
+ * walk_state - Current walk state
*
* RETURN: Status
*