ACPI_STATUS
AcpiTbInstallAndLoadTable (
ACPI_PHYSICAL_ADDRESS Address,
UINT8 Flags,
BOOLEAN Override,
UINT32 *TableIndex)
{
ACPI_STATUS Status;
UINT32 i;
ACPI_FUNCTION_TRACE (TbInstallAndLoadTable);
/* Install the table and load it into the namespace */
Status = AcpiTbInstallStandardTable (Address, Flags, TRUE,
Override, &i);
if (ACPI_FAILURE (Status))
{
goto Exit;
}
Status = AcpiTbLoadTable (i, AcpiGbl_RootNode);
Exit:
*TableIndex = i;
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiExLoadTableOp (
ACPI_WALK_STATE *WalkState,
ACPI_OPERAND_OBJECT **ReturnDesc)
{
ACPI_STATUS Status;
ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0];
ACPI_NAMESPACE_NODE *ParentNode;
ACPI_NAMESPACE_NODE *StartNode;
ACPI_NAMESPACE_NODE *ParameterNode = NULL;
ACPI_OPERAND_OBJECT *DdbHandle;
UINT32 TableIndex;
ACPI_FUNCTION_TRACE (ExLoadTableOp);
/* Find the ACPI table in the RSDT/XSDT */
AcpiExExitInterpreter ();
Status = AcpiTbFindTable (
Operand[0]->String.Pointer,
Operand[1]->String.Pointer,
Operand[2]->String.Pointer, &TableIndex);
AcpiExEnterInterpreter ();
if (ACPI_FAILURE (Status))
{
if (Status != AE_NOT_FOUND)
{
return_ACPI_STATUS (Status);
}
/* Table not found, return an Integer=0 and AE_OK */
DdbHandle = AcpiUtCreateIntegerObject ((UINT64) 0);
if (!DdbHandle)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
*ReturnDesc = DdbHandle;
return_ACPI_STATUS (AE_OK);
}
/* Default nodes */
StartNode = WalkState->ScopeInfo->Scope.Node;
ParentNode = AcpiGbl_RootNode;
/* RootPath (optional parameter) */
if (Operand[3]->String.Length > 0)
{
/*
* Find the node referenced by the RootPathString. This is the
* location within the namespace where the table will be loaded.
*/
Status = AcpiNsGetNodeUnlocked (StartNode,
Operand[3]->String.Pointer, ACPI_NS_SEARCH_PARENT,
&ParentNode);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/* ParameterPath (optional parameter) */
if (Operand[4]->String.Length > 0)
{
if ((Operand[4]->String.Pointer[0] != AML_ROOT_PREFIX) &&
(Operand[4]->String.Pointer[0] != AML_PARENT_PREFIX))
{
/*
* Path is not absolute, so it will be relative to the node
* referenced by the RootPathString (or the NS root if omitted)
*/
StartNode = ParentNode;
}
/* Find the node referenced by the ParameterPathString */
Status = AcpiNsGetNodeUnlocked (StartNode,
Operand[4]->String.Pointer, ACPI_NS_SEARCH_PARENT,
&ParameterNode);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/* Load the table into the namespace */
ACPI_INFO (("Dynamic OEM Table Load:"));
AcpiExExitInterpreter ();
Status = AcpiTbLoadTable (TableIndex, ParentNode);
AcpiExEnterInterpreter ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
Status = AcpiExAddTable (TableIndex, &DdbHandle);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Parameter Data (optional) */
if (ParameterNode)
{
/* Store the parameter data into the optional parameter object */
Status = AcpiExStore (Operand[5],
ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, ParameterNode), WalkState);
if (ACPI_FAILURE (Status))
{
(void) AcpiExUnloadTable (DdbHandle);
AcpiUtRemoveReference (DdbHandle);
return_ACPI_STATUS (Status);
}
}
*ReturnDesc = DdbHandle;
return_ACPI_STATUS (Status);
}