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ACPICA: Support for external package objects as method arguments

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Implemented support to allow Package objects to be passed as
method arguments to the acpi_evaluate_object interface. Previously,
this would return an AE_NOT_IMPLEMENTED exception.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore
2007-04-03 19:59:37 -04:00
committed by Len Brown
parent 8ff6f48d99
commit 6287ee3295
3 changed files with 95 additions and 71 deletions
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42
drivers/acpi/utilities/utobject.c
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@@ -144,6 +144,48 @@ union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
return_PTR(object);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_create_package_object
*
* PARAMETERS: Count - Number of package elements
*
* RETURN: Pointer to a new Package object, null on failure
*
* DESCRIPTION: Create a fully initialized package object
*
******************************************************************************/
union acpi_operand_object *acpi_ut_create_package_object(u32 count)
{
union acpi_operand_object *package_desc;
union acpi_operand_object **package_elements;
ACPI_FUNCTION_TRACE_U32(ut_create_package_object, count);
/* Create a new Package object */
package_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
if (!package_desc) {
return_PTR(NULL);
}
/*
* Create the element array. Count+1 allows the array to be null
* terminated.
*/
package_elements = ACPI_ALLOCATE_ZEROED((acpi_size)
(count + 1) * sizeof(void *));
if (!package_elements) {
ACPI_FREE(package_desc);
return_PTR(NULL);
}
package_desc->package.count = count;
package_desc->package.elements = package_elements;
return_PTR(package_desc);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_create_buffer_object