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authormsmith <msmith@FreeBSD.org>2001-03-05 02:15:19 +0000
committermsmith <msmith@FreeBSD.org>2001-03-05 02:15:19 +0000
commitcc64c75258cdd65688e8a27806ad0417bec44bb0 (patch)
tree5cc07fb8c5f739592d70f3af7590f2a0722a9a5a /sys/contrib/dev/acpica/Subsystem/Common/cmutils.c
parent7948a3a80426e7bdc0728814e72cf46852c46576 (diff)
downloadFreeBSD-src-cc64c75258cdd65688e8a27806ad0417bec44bb0.zip
FreeBSD-src-cc64c75258cdd65688e8a27806ad0417bec44bb0.tar.gz
Belated vendor update to the Intel ACPI CA 20010208 snapshot.
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Common/cmutils.c')
-rw-r--r--sys/contrib/dev/acpica/Subsystem/Common/cmutils.c280
1 files changed, 273 insertions, 7 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Common/cmutils.c b/sys/contrib/dev/acpica/Subsystem/Common/cmutils.c
index 2c9c60d..123e4e1 100644
--- a/sys/contrib/dev/acpica/Subsystem/Common/cmutils.c
+++ b/sys/contrib/dev/acpica/Subsystem/Common/cmutils.c
@@ -1,7 +1,7 @@
/*******************************************************************************
*
* Module Name: cmutils - common utility procedures
- * $Revision: 23 $
+ * $Revision: 27 $
*
******************************************************************************/
@@ -476,6 +476,44 @@ AcpiCmCreateUpdateStateAndPush (
/*******************************************************************************
*
+ * FUNCTION: AcpiCmCreatePkgStateAndPush
+ *
+ * PARAMETERS: *Object - Object to be added to the new state
+ * Action - Increment/Decrement
+ * StateList - List the state will be added to
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiCmCreatePkgStateAndPush (
+ void *InternalObject,
+ void *ExternalObject,
+ UINT16 Index,
+ ACPI_GENERIC_STATE **StateList)
+{
+ ACPI_GENERIC_STATE *State;
+
+
+
+ State = AcpiCmCreatePkgState (InternalObject, ExternalObject, Index);
+ if (!State)
+ {
+ return (AE_NO_MEMORY);
+ }
+
+
+ AcpiCmPushGenericState (StateList, State);
+ return (AE_OK);
+}
+
+
+
+/*******************************************************************************
+ *
* FUNCTION: AcpiCmPushGenericState
*
* PARAMETERS: ListHead - Head of the state stack
@@ -650,6 +688,54 @@ AcpiCmCreateUpdateState (
/*******************************************************************************
*
+ * FUNCTION: AcpiCmCreatePkgState
+ *
+ * PARAMETERS: Object - Initial Object to be installed in the
+ * state
+ * Action - Update action to be performed
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ * to update reference counts and delete complex objects such
+ * as packages.
+ *
+ ******************************************************************************/
+
+ACPI_GENERIC_STATE *
+AcpiCmCreatePkgState (
+ void *InternalObject,
+ void *ExternalObject,
+ UINT16 Index)
+{
+ ACPI_GENERIC_STATE *State;
+
+
+ FUNCTION_TRACE_PTR ("CmCreatePkgState", InternalObject);
+
+
+ /* Create the generic state object */
+
+ State = AcpiCmCreateGenericState ();
+ if (!State)
+ {
+ return (NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
+ State->Pkg.DestObject = ExternalObject;
+ State->Pkg.Index = Index;
+ State->Pkg.NumPackages = 1;
+
+ return_PTR (State);
+}
+
+
+
+/*******************************************************************************
+ *
* FUNCTION: AcpiCmCreateControlState
*
* PARAMETERS: None
@@ -793,19 +879,24 @@ ACPI_STATUS
AcpiCmResolvePackageReferences (
ACPI_OPERAND_OBJECT *ObjDesc)
{
- UINT32 Count;
- ACPI_OPERAND_OBJECT *SubObject;
+ UINT32 Count;
+ ACPI_OPERAND_OBJECT *SubObject;
+
FUNCTION_TRACE ("AcpiCmResolvePackageReferences");
+
if (ObjDesc->Common.Type != ACPI_TYPE_PACKAGE)
{
- /* Must be a package */
+ /* The object must be a package */
REPORT_ERROR (("Must resolve Package Refs on a Package\n"));
return_ACPI_STATUS(AE_ERROR);
}
+ /*
+ * TBD: what about nested packages? */
+
for (Count = 0; Count < ObjDesc->Package.Count; Count++)
{
SubObject = ObjDesc->Package.Elements[Count];
@@ -833,6 +924,181 @@ AcpiCmResolvePackageReferences (
return_ACPI_STATUS(AE_OK);
}
+#ifdef ACPI_DEBUG
+
+/******************************************************************************
+ *
+ * FUNCTION: AcpiCmDisplayInitPathname
+ *
+ * PARAMETERS: ObjHandle - Handle whose pathname will be displayed
+ * Path - Additional path string to be appended
+ *
+ * RETURN: ACPI_STATUS
+ *
+ * DESCRIPTION: Display full pathnbame of an object, DEBUG ONLY
+ *
+ *****************************************************************************/
+
+void
+AcpiCmDisplayInitPathname (
+ ACPI_HANDLE ObjHandle,
+ char *Path)
+{
+ ACPI_STATUS Status;
+ UINT32 Length = 128;
+ char Buffer[128];
+
+
+ Status = AcpiNsHandleToPathname (ObjHandle, &Length, Buffer);
+ if (ACPI_SUCCESS (Status))
+ {
+ if (Path)
+ {
+ DEBUG_PRINT (TRACE_INIT, ("%s.%s\n", Buffer, Path))
+ }
+ else
+ {
+ DEBUG_PRINT (TRACE_INIT, ("%s\n", Buffer))
+ }
+ }
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiCmWalkPackageTree
+ *
+ * PARAMETERS: ObjDesc - The Package object on which to resolve refs
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Walk through a package
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiCmWalkPackageTree (
+ ACPI_OPERAND_OBJECT *SourceObject,
+ void *TargetObject,
+ ACPI_PKG_CALLBACK WalkCallback,
+ void *Context)
+{
+ ACPI_STATUS Status = AE_OK;
+ ACPI_GENERIC_STATE *StateList = NULL;
+ ACPI_GENERIC_STATE *State;
+ UINT32 ThisIndex;
+ ACPI_OPERAND_OBJECT *ThisSourceObj;
+
+
+ FUNCTION_TRACE ("AcpiCmWalkPackageTree");
+
+
+ State = AcpiCmCreatePkgState (SourceObject, TargetObject, 0);
+ if (!State)
+ {
+ return_ACPI_STATUS (AE_NO_MEMORY);
+ }
+
+ while (State)
+ {
+ ThisIndex = State->Pkg.Index;
+ ThisSourceObj = (ACPI_OPERAND_OBJECT *)
+ State->Pkg.SourceObject->Package.Elements[ThisIndex];
+
+ /*
+ * Check for
+ * 1) An uninitialized package element. It is completely
+ * legal to declare a package and leave it uninitialized
+ * 2) Not an internal object - can be a namespace node instead
+ * 3) Any type other than a package. Packages are handled in else case below.
+ */
+ if ((!ThisSourceObj) ||
+ (!VALID_DESCRIPTOR_TYPE (
+ ThisSourceObj, ACPI_DESC_TYPE_INTERNAL)) ||
+ (!IS_THIS_OBJECT_TYPE (
+ ThisSourceObj, ACPI_TYPE_PACKAGE)))
+ {
+
+ Status = WalkCallback (0, ThisSourceObj, State, Context);
+ if (ACPI_FAILURE (Status))
+ {
+ /* TBD: must delete package created up to this point */
+
+ return_ACPI_STATUS (Status);
+ }
+
+ State->Pkg.Index++;
+ while (State->Pkg.Index >= State->Pkg.SourceObject->Package.Count)
+ {
+ /*
+ * We've handled all of the objects at this level, This means
+ * that we have just completed a package. That package may
+ * have contained one or more packages itself.
+ *
+ * Delete this state and pop the previous state (package).
+ */
+ AcpiCmDeleteGenericState (State);
+ State = AcpiCmPopGenericState (&StateList);
+
+
+ /* Finished when there are no more states */
+
+ if (!State)
+ {
+ /*
+ * We have handled all of the objects in the top level
+ * package just add the length of the package objects
+ * and exit
+ */
+ return_ACPI_STATUS (AE_OK);
+ }
+
+ /*
+ * Go back up a level and move the index past the just
+ * completed package object.
+ */
+ State->Pkg.Index++;
+ }
+ }
+
+ else
+ {
+ /* This is a sub-object of type package */
+
+ Status = WalkCallback (1, ThisSourceObj, State, Context);
+ if (ACPI_FAILURE (Status))
+ {
+ /* TBD: must delete package created up to this point */
+
+ return_ACPI_STATUS (Status);
+ }
+
+
+ /*
+ * The callback above returned a new target package object.
+ */
+
+ /*
+ * Push the current state and create a new one
+ */
+ AcpiCmPushGenericState (&StateList, State);
+ State = AcpiCmCreatePkgState (ThisSourceObj, State->Pkg.ThisTargetObj, 0);
+ if (!State)
+ {
+ /* TBD: must delete package created up to this point */
+
+ return_ACPI_STATUS (AE_NO_MEMORY);
+ }
+ }
+ }
+
+ /* We should never get here */
+
+ return (AE_AML_INTERNAL);
+
+}
+
+
/*******************************************************************************
*
@@ -845,7 +1111,7 @@ AcpiCmResolvePackageReferences (
*
* RETURN: None
*
- * DESCRIPTION: Print error message from KD table
+ * DESCRIPTION: Print error message
*
******************************************************************************/
@@ -872,7 +1138,7 @@ _ReportError (
*
* RETURN: None
*
- * DESCRIPTION: Print warning message from KD table
+ * DESCRIPTION: Print warning message
*
******************************************************************************/
@@ -898,7 +1164,7 @@ _ReportWarning (
*
* RETURN: None
*
- * DESCRIPTION: Print information message from KD table
+ * DESCRIPTION: Print information message
*
******************************************************************************/
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