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ACPICA: Fixes for Unload and DDBHandles

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Implemented support for the use of DDBHandles as an Indexed
Reference, as per the ACPI spec.

http://www.acpica.org/bugzilla/show_bug.cgi?id=486.

Implemented support for UserTerm (Method invocation) for the Unload operator
as per the ACPI spec.

http://www.acpica.org/bugzilla/show_bug.cgi?id=580

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Lin Ming
2008-04-10 19:06:42 +04:00
committed by Len Brown
parent a6f4a4511e
commit bc7a36ab74
5 changed files with 88 additions and 20 deletions
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drivers/acpi/executer/exdump.c
+19 -8
View File
@@ -895,14 +895,25 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
} else if (obj_desc->reference.object) {
if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) ==
ACPI_DESC_TYPE_OPERAND) {
acpi_os_printf(" Target: %p [%s]\n",
obj_desc->reference.object,
acpi_ut_get_type_name(((union
acpi_operand_object
*)obj_desc->
reference.
object)->common.
type));
acpi_os_printf(" Target: %p",
obj_desc->reference.object);
if (obj_desc->reference.opcode == AML_LOAD_OP) {
/*
* For DDBHandle reference,
* obj_desc->Reference.Object is the table index
*/
acpi_os_printf(" [DDBHandle]\n");
} else {
acpi_os_printf(" [%s]\n",
acpi_ut_get_type_name(((union
acpi_operand_object
*)
obj_desc->
reference.
object)->
common.
type));
}
} else {
acpi_os_printf(" Target: %p\n",
obj_desc->reference.object);
drivers/acpi/executer/exresolv.c
+9 -4
View File
@@ -382,10 +382,10 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
}
/*
* For reference objects created via the ref_of or Index operators,
* we need to get to the base object (as per the ACPI specification
* of the object_type and size_of operators). This means traversing
* the list of possibly many nested references.
* For reference objects created via the ref_of, Index, or Load/load_table
* operators, we need to get to the base object (as per the ACPI
* specification of the object_type and size_of operators). This means
* traversing the list of possibly many nested references.
*/
while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
switch (obj_desc->reference.opcode) {
@@ -455,6 +455,11 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
}
break;
case AML_LOAD_OP:
type = ACPI_TYPE_DDB_HANDLE;
goto exit;
case AML_LOCAL_OP:
case AML_ARG_OP:
drivers/acpi/executer/exstore.c
+18 -5
View File
@@ -434,11 +434,24 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
*/
obj_desc = *(index_desc->reference.where);
status =
acpi_ut_copy_iobject_to_iobject(source_desc, &new_desc,
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
if (ACPI_GET_OBJECT_TYPE(source_desc) ==
ACPI_TYPE_LOCAL_REFERENCE
&& source_desc->reference.opcode == AML_LOAD_OP) {
/* This is a DDBHandle, just add a reference to it */
acpi_ut_add_reference(source_desc);
new_desc = source_desc;
} else {
/* Normal object, copy it */
status =
acpi_ut_copy_iobject_to_iobject(source_desc,
&new_desc,
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
if (obj_desc) {