void
AcpiNsDeleteNode (
ACPI_NAMESPACE_NODE *Node)
{
ACPI_NAMESPACE_NODE *ParentNode;
ACPI_NAMESPACE_NODE *PrevNode;
ACPI_NAMESPACE_NODE *NextNode;
ACPI_FUNCTION_TRACE_PTR (NsDeleteNode, Node);
ParentNode = AcpiNsGetParentNode (Node);
PrevNode = NULL;
NextNode = ParentNode->Child;
/* Find the node that is the previous peer in the parent's child list */
while (NextNode != Node)
{
PrevNode = NextNode;
NextNode = PrevNode->Peer;
}
if (PrevNode)
{
/* Node is not first child, unlink it */
PrevNode->Peer = NextNode->Peer;
if (NextNode->Flags & ANOBJ_END_OF_PEER_LIST)
{
PrevNode->Flags |= ANOBJ_END_OF_PEER_LIST;
}
}
else
{
/* Node is first child (has no previous peer) */
if (NextNode->Flags & ANOBJ_END_OF_PEER_LIST)
{
/* No peers at all */
ParentNode->Child = NULL;
}
else
{ /* Link peer list to parent */
ParentNode->Child = NextNode->Peer;
}
}
ACPI_MEM_TRACKING (AcpiGbl_NsNodeList->TotalFreed++);
/* Detach an object if there is one, then delete the node */
AcpiNsDetachObject (Node);
(void) AcpiOsReleaseObject (AcpiGbl_NamespaceCache, Node);
return_VOID;
}
void
AcpiPsFreeOp (
ACPI_PARSE_OBJECT *Op)
{
ACPI_FUNCTION_NAME (PsFreeOp);
if (Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n", Op));
}
if (Op->Common.Flags & ACPI_PARSEOP_GENERIC)
{
(void) AcpiOsReleaseObject (AcpiGbl_PsNodeCache, Op);
}
else
{
(void) AcpiOsReleaseObject (AcpiGbl_PsNodeExtCache, Op);
}
}
void
AcpiNsDeleteNode (
ACPI_NAMESPACE_NODE *Node)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT *NextDesc;
ACPI_FUNCTION_NAME (NsDeleteNode);
/* Detach an object if there is one */
AcpiNsDetachObject (Node);
/*
* Delete an attached data object list if present (objects that were
* attached via AcpiAttachData). Note: After any normal object is
* detached above, the only possible remaining object(s) are data
* objects, in a linked list.
*/
ObjDesc = Node->Object;
while (ObjDesc &&
(ObjDesc->Common.Type == ACPI_TYPE_LOCAL_DATA))
{
/* Invoke the attached data deletion handler if present */
if (ObjDesc->Data.Handler)
{
ObjDesc->Data.Handler (Node, ObjDesc->Data.Pointer);
}
NextDesc = ObjDesc->Common.NextObject;
AcpiUtRemoveReference (ObjDesc);
ObjDesc = NextDesc;
}
/* Special case for the statically allocated root node */
if (Node == AcpiGbl_RootNode)
{
return;
}
/* Now we can delete the node */
(void) AcpiOsReleaseObject (AcpiGbl_NamespaceCache, Node);
ACPI_MEM_TRACKING (AcpiGbl_NsNodeList->TotalFreed++);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Node %p, Remaining %X\n",
Node, AcpiGbl_CurrentNodeCount));
}
void
AcpiUtDeleteGenericState (
ACPI_GENERIC_STATE *State)
{
ACPI_FUNCTION_TRACE (UtDeleteGenericState);
/* Ignore null state */
if (State)
{
(void) AcpiOsReleaseObject (AcpiGbl_StateCache, State);
}
return_VOID;
}
void
AcpiUtDeleteObjectDesc (
ACPI_OPERAND_OBJECT *Object)
{
ACPI_FUNCTION_TRACE_PTR (UtDeleteObjectDesc, Object);
/* Object must be of type ACPI_OPERAND_OBJECT */
if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
{
ACPI_ERROR ((AE_INFO,
"%p is not an ACPI Operand object [%s]", Object,
AcpiUtGetDescriptorName (Object)));
return_VOID;
}
(void) AcpiOsReleaseObject (AcpiGbl_OperandCache, Object);
return_VOID;
}
void
AcpiNsDeleteNode (
ACPI_NAMESPACE_NODE *Node)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_FUNCTION_NAME (NsDeleteNode);
/* Detach an object if there is one */
AcpiNsDetachObject (Node);
/*
* Delete an attached data object if present (an object that was created
* and attached via AcpiAttachData). Note: After any normal object is
* detached above, the only possible remaining object is a data object.
*/
ObjDesc = Node->Object;
if (ObjDesc &&
(ObjDesc->Common.Type == ACPI_TYPE_LOCAL_DATA))
{
/* Invoke the attached data deletion handler if present */
if (ObjDesc->Data.Handler)
{
ObjDesc->Data.Handler (Node, ObjDesc->Data.Pointer);
}
AcpiUtRemoveReference (ObjDesc);
}
/* Now we can delete the node */
(void) AcpiOsReleaseObject (AcpiGbl_NamespaceCache, Node);
ACPI_MEM_TRACKING (AcpiGbl_NsNodeList->TotalFreed++);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Node %p, Remaining %X\n",
Node, AcpiGbl_CurrentNodeCount));
}
void
AcpiNsDeleteChildren (
ACPI_NAMESPACE_NODE *ParentNode)
{
ACPI_NAMESPACE_NODE *ChildNode;
ACPI_NAMESPACE_NODE *NextNode;
UINT8 Flags;
ACPI_FUNCTION_TRACE_PTR (NsDeleteChildren, ParentNode);
if (!ParentNode)
{
return_VOID;
}
/* If no children, all done! */
ChildNode = ParentNode->Child;
if (!ChildNode)
{
return_VOID;
}
/*
* Deallocate all children at this level
*/
do
{
/* Get the things we need */
NextNode = ChildNode->Peer;
Flags = ChildNode->Flags;
/* Grandchildren should have all been deleted already */
if (ChildNode->Child)
{
ACPI_ERROR ((AE_INFO, "Found a grandchild! P=%p C=%p",
ParentNode, ChildNode));
}
/* Now we can free this child object */
ACPI_MEM_TRACKING (AcpiGbl_NsNodeList->TotalFreed++);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p, Remaining %X\n",
ChildNode, AcpiGbl_CurrentNodeCount));
/*
* Detach an object if there is one, then free the child node
*/
AcpiNsDetachObject (ChildNode);
/* Now we can delete the node */
(void) AcpiOsReleaseObject (AcpiGbl_NamespaceCache, ChildNode);
/* And move on to the next child in the list */
ChildNode = NextNode;
} while (!(Flags & ANOBJ_END_OF_PEER_LIST));
/* Clear the parent's child pointer */
ParentNode->Child = NULL;
return_VOID;
}
