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Initial support for DataTable Regions

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date	2001.12.04.18.00.00;	author rmoore1;	state Exp;
This commit is contained in:
aystarik 2005-06-29 17:21:30 +00:00
parent 98139bf05b
commit 7f8df9094f
1 changed files with 63 additions and 7 deletions
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70
source/components/executer/excreate.c
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@ -1,7 +1,7 @@
/******************************************************************************
*
* Module Name: excreate - Named object creation
* $Revision: 1.79 $
* $Revision: 1.80 $
*
*****************************************************************************/
@ -322,7 +322,7 @@ AcpiExCreateRegion (
ACPI_STATUS Status;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_NAMESPACE_NODE *Node;
ACPI_OPERAND_OBJECT *RegionObj2 = NULL;
ACPI_OPERAND_OBJECT *RegionObj2;
FUNCTION_TRACE ("ExCreateRegion");
@ -410,13 +410,47 @@ ACPI_STATUS
AcpiExCreateTableRegion (
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status = AE_OK;
ACPI_STATUS Status;
ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_NAMESPACE_NODE *Node;
ACPI_TABLE_HEADER *Table;
ACPI_OPERAND_OBJECT *RegionObj2;
FUNCTION_TRACE ("ExCreateTableRegion");
/*
ACPI_OPERAND_OBJECT *ObjDesc;
/* Get the Node from the object stack */
Node = WalkState->Op->Node;
/*
* If the region object is already attached to this node,
* just return
*/
if (AcpiNsGetAttachedObject (Node))
{
return_ACPI_STATUS (AE_OK);
}
/* Find the table */
if (!STRCMP (Operand[1]->String.Pointer, DSDT_SIG))
{
Table = (ACPI_TABLE_HEADER *) AcpiGbl_DSDT;
}
else
{
return_ACPI_STATUS (AE_SUPPORT);
}
/* Check OemId and TableId
/* Create the region descriptor */
ObjDesc = AcpiUtCreateInternalObject (ACPI_TYPE_REGION);
if (!ObjDesc)
{
@ -425,9 +459,31 @@ AcpiExCreateTableRegion (
}
Cleanup:
*/
RegionObj2 = ObjDesc->Common.NextObject;
RegionObj2->Extra.RegionContext = Table;
/* Init the region from the operands */
ObjDesc->Region.SpaceId = REGION_DATA_TABLE;
ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) Table;
ObjDesc->Region.Length = Table->Length;
ObjDesc->Region.Node = Node;
ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID | AOPOBJ_SETUP_COMPLETE;
/* Install the new region object in the parent Node */
Status = AcpiNsAttachObject (Node, ObjDesc, (UINT8) ACPI_TYPE_REGION);
Cleanup:
/* Remove local reference to the object */
AcpiUtRemoveReference (ObjDesc);
return_ACPI_STATUS (Status);
}