ACPI_STATUS
AcpiDsEvalTableRegionOperands (
ACPI_WALK_STATE *WalkState,
ACPI_PARSE_OBJECT *Op)
{
ACPI_STATUS Status;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT **Operand;
ACPI_NAMESPACE_NODE *Node;
ACPI_PARSE_OBJECT *NextOp;
ACPI_TABLE_HEADER *Table;
UINT32 TableIndex;
ACPI_FUNCTION_TRACE_PTR (DsEvalTableRegionOperands, Op);
/*
* This is where we evaluate the Signature string, OemId string,
* and OemTableId string of the Data Table Region declaration
*/
Node = Op->Common.Node;
/* NextOp points to Signature string op */
NextOp = Op->Common.Value.Arg;
/*
* Evaluate/create the Signature string, OemId string,
* and OemTableId string operands
*/
Status = AcpiDsCreateOperands (WalkState, NextOp);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
Operand = &WalkState->Operands[0];
/*
* Resolve the Signature string, OemId string,
* and OemTableId string operands
*/
Status = AcpiExResolveOperands (Op->Common.AmlOpcode,
ACPI_WALK_OPERANDS, WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* Find the ACPI table */
Status = AcpiTbFindTable (
Operand[0]->String.Pointer,
Operand[1]->String.Pointer,
Operand[2]->String.Pointer, &TableIndex);
if (ACPI_FAILURE (Status))
{
if (Status == AE_NOT_FOUND)
{
ACPI_ERROR ((AE_INFO,
"ACPI Table [%4.4s] OEM:(%s, %s) not found in RSDT/XSDT",
Operand[0]->String.Pointer,
Operand[1]->String.Pointer,
Operand[2]->String.Pointer));
}
goto Cleanup;
}
Status = AcpiGetTableByIndex (TableIndex, &Table);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
ObjDesc = AcpiNsGetAttachedObject (Node);
if (!ObjDesc)
{
Status = AE_NOT_EXIST;
goto Cleanup;
}
ObjDesc->Region.Address = ACPI_PTR_TO_PHYSADDR (Table);
ObjDesc->Region.Length = Table->Length;
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
ObjDesc, ACPI_FORMAT_UINT64 (ObjDesc->Region.Address),
ObjDesc->Region.Length));
/* Now the address and length are valid for this opregion */
ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID;
Cleanup:
AcpiUtRemoveReference (Operand[0]);
AcpiUtRemoveReference (Operand[1]);
AcpiUtRemoveReference (Operand[2]);
return_ACPI_STATUS (Status);
}
ACPI_STATUS
AcpiDsEvalTableRegionOperands (
ACPI_WALK_STATE *WalkState,
ACPI_PARSE_OBJECT *Op)
{
ACPI_STATUS Status;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT **Operand;
ACPI_NAMESPACE_NODE *Node;
ACPI_PARSE_OBJECT *NextOp;
UINT32 TableIndex;
ACPI_TABLE_HEADER *Table;
ACPI_FUNCTION_TRACE_PTR (DsEvalTableRegionOperands, Op);
/*
* This is where we evaluate the SignatureString and OemIDString
* and OemTableIDString of the DataTableRegion declaration
*/
Node = Op->Common.Node;
/* NextOp points to SignatureString op */
NextOp = Op->Common.Value.Arg;
/*
* Evaluate/create the SignatureString and OemIDString
* and OemTableIDString operands
*/
Status = AcpiDsCreateOperands (WalkState, NextOp);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* Resolve the SignatureString and OemIDString
* and OemTableIDString operands
*/
Status = AcpiExResolveOperands (Op->Common.AmlOpcode,
ACPI_WALK_OPERANDS, WalkState);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
Operand = &WalkState->Operands[0];
/* Find the ACPI table */
Status = AcpiTbFindTable (Operand[0]->String.Pointer,
Operand[1]->String.Pointer, Operand[2]->String.Pointer,
&TableIndex);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
AcpiUtRemoveReference (Operand[0]);
AcpiUtRemoveReference (Operand[1]);
AcpiUtRemoveReference (Operand[2]);
Status = AcpiGetTableByIndex (TableIndex, &Table);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
ObjDesc = AcpiNsGetAttachedObject (Node);
if (!ObjDesc)
{
return_ACPI_STATUS (AE_NOT_EXIST);
}
ObjDesc->Region.Address = (ACPI_PHYSICAL_ADDRESS) ACPI_TO_INTEGER (Table);
ObjDesc->Region.Length = Table->Length;
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
ObjDesc,
ACPI_FORMAT_NATIVE_UINT (ObjDesc->Region.Address),
ObjDesc->Region.Length));
/* Now the address and length are valid for this opregion */
ObjDesc->Region.Flags |= AOPOBJ_DATA_VALID;
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;
ACPI_TABLE_HEADER *Table;
UINT32 TableIndex;
ACPI_FUNCTION_TRACE (ExLoadTableOp);
/* Validate lengths for the SignatureString, OEMIDString, OEMTableID */
if ((Operand[0]->String.Length > ACPI_NAME_SIZE) ||
(Operand[1]->String.Length > ACPI_OEM_ID_SIZE) ||
(Operand[2]->String.Length > ACPI_OEM_TABLE_ID_SIZE))
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Find the ACPI table in the RSDT/XSDT */
Status = AcpiTbFindTable (Operand[0]->String.Pointer,
Operand[1]->String.Pointer,
Operand[2]->String.Pointer, &TableIndex);
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 = AcpiNsGetNode (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] != '\\') &&
(Operand[4]->String.Pointer[0] != '^'))
{
/*
* 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 = AcpiNsGetNode (StartNode, Operand[4]->String.Pointer,
ACPI_NS_SEARCH_PARENT, &ParameterNode);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/* Load the table into the namespace */
Status = AcpiExAddTable (TableIndex, ParentNode, &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);
}
}
Status = AcpiGetTableByIndex (TableIndex, &Table);
if (ACPI_SUCCESS (Status))
{
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Dynamic OEM Table Load:"));
AcpiTbPrintTableHeader (0, Table);
}
/* Invoke table handler if present */
if (AcpiGbl_TableHandler)
{
(void) AcpiGbl_TableHandler (ACPI_TABLE_EVENT_LOAD, Table,
AcpiGbl_TableHandlerContext);
}
*ReturnDesc = DdbHandle;
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);
}
