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utmisc.c (71867) utmisc.c (73561)
1/*******************************************************************************
2 *
3 * Module Name: cmutils - common utility procedures
1/*******************************************************************************
2 *
3 * Module Name: cmutils - common utility procedures
4 * $Revision: 23 $
4 * $Revision: 27 $
5 *
6 ******************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.

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471
472 AcpiCmPushGenericState (StateList, State);
473 return (AE_OK);
474}
475
476
477/*******************************************************************************
478 *
5 *
6 ******************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.

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471
472 AcpiCmPushGenericState (StateList, State);
473 return (AE_OK);
474}
475
476
477/*******************************************************************************
478 *
479 * FUNCTION: AcpiCmCreatePkgStateAndPush
480 *
481 * PARAMETERS: *Object - Object to be added to the new state
482 * Action - Increment/Decrement
483 * StateList - List the state will be added to
484 *
485 * RETURN: None
486 *
487 * DESCRIPTION: Create a new state and push it
488 *
489 ******************************************************************************/
490
491ACPI_STATUS
492AcpiCmCreatePkgStateAndPush (
493 void *InternalObject,
494 void *ExternalObject,
495 UINT16 Index,
496 ACPI_GENERIC_STATE **StateList)
497{
498 ACPI_GENERIC_STATE *State;
499
500
501
502 State = AcpiCmCreatePkgState (InternalObject, ExternalObject, Index);
503 if (!State)
504 {
505 return (AE_NO_MEMORY);
506 }
507
508
509 AcpiCmPushGenericState (StateList, State);
510 return (AE_OK);
511}
512
513
514
515/*******************************************************************************
516 *
479 * FUNCTION: AcpiCmPushGenericState
480 *
481 * PARAMETERS: ListHead - Head of the state stack
482 * State - State object to push
483 *
484 * RETURN: Status
485 *
486 * DESCRIPTION: Push a state object onto a state stack

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645 State->Update.Value = Action;
646
647 return_PTR (State);
648}
649
650
651/*******************************************************************************
652 *
517 * FUNCTION: AcpiCmPushGenericState
518 *
519 * PARAMETERS: ListHead - Head of the state stack
520 * State - State object to push
521 *
522 * RETURN: Status
523 *
524 * DESCRIPTION: Push a state object onto a state stack

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683 State->Update.Value = Action;
684
685 return_PTR (State);
686}
687
688
689/*******************************************************************************
690 *
691 * FUNCTION: AcpiCmCreatePkgState
692 *
693 * PARAMETERS: Object - Initial Object to be installed in the
694 * state
695 * Action - Update action to be performed
696 *
697 * RETURN: Status
698 *
699 * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
700 * to update reference counts and delete complex objects such
701 * as packages.
702 *
703 ******************************************************************************/
704
705ACPI_GENERIC_STATE *
706AcpiCmCreatePkgState (
707 void *InternalObject,
708 void *ExternalObject,
709 UINT16 Index)
710{
711 ACPI_GENERIC_STATE *State;
712
713
714 FUNCTION_TRACE_PTR ("CmCreatePkgState", InternalObject);
715
716
717 /* Create the generic state object */
718
719 State = AcpiCmCreateGenericState ();
720 if (!State)
721 {
722 return (NULL);
723 }
724
725 /* Init fields specific to the update struct */
726
727 State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
728 State->Pkg.DestObject = ExternalObject;
729 State->Pkg.Index = Index;
730 State->Pkg.NumPackages = 1;
731
732 return_PTR (State);
733}
734
735
736
737/*******************************************************************************
738 *
653 * FUNCTION: AcpiCmCreateControlState
654 *
655 * PARAMETERS: None
656 *
657 * RETURN: Status
658 *
659 * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
660 * to support nested IF/WHILE constructs in the AML.

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788 * DESCRIPTION: Walk through a package and turn internal references into values
789 *
790 ******************************************************************************/
791
792ACPI_STATUS
793AcpiCmResolvePackageReferences (
794 ACPI_OPERAND_OBJECT *ObjDesc)
795{
739 * FUNCTION: AcpiCmCreateControlState
740 *
741 * PARAMETERS: None
742 *
743 * RETURN: Status
744 *
745 * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
746 * to support nested IF/WHILE constructs in the AML.

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874 * DESCRIPTION: Walk through a package and turn internal references into values
875 *
876 ******************************************************************************/
877
878ACPI_STATUS
879AcpiCmResolvePackageReferences (
880 ACPI_OPERAND_OBJECT *ObjDesc)
881{
796 UINT32 Count;
797 ACPI_OPERAND_OBJECT *SubObject;
882 UINT32 Count;
883 ACPI_OPERAND_OBJECT *SubObject;
798
884
885
799 FUNCTION_TRACE ("AcpiCmResolvePackageReferences");
800
886 FUNCTION_TRACE ("AcpiCmResolvePackageReferences");
887
888
801 if (ObjDesc->Common.Type != ACPI_TYPE_PACKAGE)
802 {
889 if (ObjDesc->Common.Type != ACPI_TYPE_PACKAGE)
890 {
803 /* Must be a package */
891 /* The object must be a package */
804
805 REPORT_ERROR (("Must resolve Package Refs on a Package\n"));
806 return_ACPI_STATUS(AE_ERROR);
807 }
808
892
893 REPORT_ERROR (("Must resolve Package Refs on a Package\n"));
894 return_ACPI_STATUS(AE_ERROR);
895 }
896
897 /*
898 * TBD: what about nested packages? */
899
809 for (Count = 0; Count < ObjDesc->Package.Count; Count++)
810 {
811 SubObject = ObjDesc->Package.Elements[Count];
812
813 if (SubObject->Common.Type == INTERNAL_TYPE_REFERENCE)
814 {
815 if (SubObject->Reference.OpCode == AML_ZERO_OP)
816 {

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828 SubObject->Integer.Value = ACPI_INTEGER_MAX;
829 }
830 }
831 }
832
833 return_ACPI_STATUS(AE_OK);
834}
835
900 for (Count = 0; Count < ObjDesc->Package.Count; Count++)
901 {
902 SubObject = ObjDesc->Package.Elements[Count];
903
904 if (SubObject->Common.Type == INTERNAL_TYPE_REFERENCE)
905 {
906 if (SubObject->Reference.OpCode == AML_ZERO_OP)
907 {

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919 SubObject->Integer.Value = ACPI_INTEGER_MAX;
920 }
921 }
922 }
923
924 return_ACPI_STATUS(AE_OK);
925}
926
927#ifdef ACPI_DEBUG
836
928
929/******************************************************************************
930 *
931 * FUNCTION: AcpiCmDisplayInitPathname
932 *
933 * PARAMETERS: ObjHandle - Handle whose pathname will be displayed
934 * Path - Additional path string to be appended
935 *
936 * RETURN: ACPI_STATUS
937 *
938 * DESCRIPTION: Display full pathnbame of an object, DEBUG ONLY
939 *
940 *****************************************************************************/
941
942void
943AcpiCmDisplayInitPathname (
944 ACPI_HANDLE ObjHandle,
945 char *Path)
946{
947 ACPI_STATUS Status;
948 UINT32 Length = 128;
949 char Buffer[128];
950
951
952 Status = AcpiNsHandleToPathname (ObjHandle, &Length, Buffer);
953 if (ACPI_SUCCESS (Status))
954 {
955 if (Path)
956 {
957 DEBUG_PRINT (TRACE_INIT, ("%s.%s\n", Buffer, Path))
958 }
959 else
960 {
961 DEBUG_PRINT (TRACE_INIT, ("%s\n", Buffer))
962 }
963 }
964}
965#endif
966
837/*******************************************************************************
838 *
967/*******************************************************************************
968 *
969 * FUNCTION: AcpiCmWalkPackageTree
970 *
971 * PARAMETERS: ObjDesc - The Package object on which to resolve refs
972 *
973 * RETURN: Status
974 *
975 * DESCRIPTION: Walk through a package
976 *
977 ******************************************************************************/
978
979ACPI_STATUS
980AcpiCmWalkPackageTree (
981 ACPI_OPERAND_OBJECT *SourceObject,
982 void *TargetObject,
983 ACPI_PKG_CALLBACK WalkCallback,
984 void *Context)
985{
986 ACPI_STATUS Status = AE_OK;
987 ACPI_GENERIC_STATE *StateList = NULL;
988 ACPI_GENERIC_STATE *State;
989 UINT32 ThisIndex;
990 ACPI_OPERAND_OBJECT *ThisSourceObj;
991
992
993 FUNCTION_TRACE ("AcpiCmWalkPackageTree");
994
995
996 State = AcpiCmCreatePkgState (SourceObject, TargetObject, 0);
997 if (!State)
998 {
999 return_ACPI_STATUS (AE_NO_MEMORY);
1000 }
1001
1002 while (State)
1003 {
1004 ThisIndex = State->Pkg.Index;
1005 ThisSourceObj = (ACPI_OPERAND_OBJECT *)
1006 State->Pkg.SourceObject->Package.Elements[ThisIndex];
1007
1008 /*
1009 * Check for
1010 * 1) An uninitialized package element. It is completely
1011 * legal to declare a package and leave it uninitialized
1012 * 2) Not an internal object - can be a namespace node instead
1013 * 3) Any type other than a package. Packages are handled in else case below.
1014 */
1015 if ((!ThisSourceObj) ||
1016 (!VALID_DESCRIPTOR_TYPE (
1017 ThisSourceObj, ACPI_DESC_TYPE_INTERNAL)) ||
1018 (!IS_THIS_OBJECT_TYPE (
1019 ThisSourceObj, ACPI_TYPE_PACKAGE)))
1020 {
1021
1022 Status = WalkCallback (0, ThisSourceObj, State, Context);
1023 if (ACPI_FAILURE (Status))
1024 {
1025 /* TBD: must delete package created up to this point */
1026
1027 return_ACPI_STATUS (Status);
1028 }
1029
1030 State->Pkg.Index++;
1031 while (State->Pkg.Index >= State->Pkg.SourceObject->Package.Count)
1032 {
1033 /*
1034 * We've handled all of the objects at this level, This means
1035 * that we have just completed a package. That package may
1036 * have contained one or more packages itself.
1037 *
1038 * Delete this state and pop the previous state (package).
1039 */
1040 AcpiCmDeleteGenericState (State);
1041 State = AcpiCmPopGenericState (&StateList);
1042
1043
1044 /* Finished when there are no more states */
1045
1046 if (!State)
1047 {
1048 /*
1049 * We have handled all of the objects in the top level
1050 * package just add the length of the package objects
1051 * and exit
1052 */
1053 return_ACPI_STATUS (AE_OK);
1054 }
1055
1056 /*
1057 * Go back up a level and move the index past the just
1058 * completed package object.
1059 */
1060 State->Pkg.Index++;
1061 }
1062 }
1063
1064 else
1065 {
1066 /* This is a sub-object of type package */
1067
1068 Status = WalkCallback (1, ThisSourceObj, State, Context);
1069 if (ACPI_FAILURE (Status))
1070 {
1071 /* TBD: must delete package created up to this point */
1072
1073 return_ACPI_STATUS (Status);
1074 }
1075
1076
1077 /*
1078 * The callback above returned a new target package object.
1079 */
1080
1081 /*
1082 * Push the current state and create a new one
1083 */
1084 AcpiCmPushGenericState (&StateList, State);
1085 State = AcpiCmCreatePkgState (ThisSourceObj, State->Pkg.ThisTargetObj, 0);
1086 if (!State)
1087 {
1088 /* TBD: must delete package created up to this point */
1089
1090 return_ACPI_STATUS (AE_NO_MEMORY);
1091 }
1092 }
1093 }
1094
1095 /* We should never get here */
1096
1097 return (AE_AML_INTERNAL);
1098
1099}
1100
1101
1102
1103/*******************************************************************************
1104 *
839 * FUNCTION: _ReportError
840 *
841 * PARAMETERS: ModuleName - Caller's module name (for error output)
842 * LineNumber - Caller's line number (for error output)
843 * ComponentId - Caller's component ID (for error output)
844 * Message - Error message to use on failure
845 *
846 * RETURN: None
847 *
1105 * FUNCTION: _ReportError
1106 *
1107 * PARAMETERS: ModuleName - Caller's module name (for error output)
1108 * LineNumber - Caller's line number (for error output)
1109 * ComponentId - Caller's component ID (for error output)
1110 * Message - Error message to use on failure
1111 *
1112 * RETURN: None
1113 *
848 * DESCRIPTION: Print error message from KD table
1114 * DESCRIPTION: Print error message
849 *
850 ******************************************************************************/
851
852void
853_ReportError (
854 NATIVE_CHAR *ModuleName,
855 UINT32 LineNumber,
856 UINT32 ComponentId)

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867 *
868 * PARAMETERS: ModuleName - Caller's module name (for error output)
869 * LineNumber - Caller's line number (for error output)
870 * ComponentId - Caller's component ID (for error output)
871 * Message - Error message to use on failure
872 *
873 * RETURN: None
874 *
1115 *
1116 ******************************************************************************/
1117
1118void
1119_ReportError (
1120 NATIVE_CHAR *ModuleName,
1121 UINT32 LineNumber,
1122 UINT32 ComponentId)

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1133 *
1134 * PARAMETERS: ModuleName - Caller's module name (for error output)
1135 * LineNumber - Caller's line number (for error output)
1136 * ComponentId - Caller's component ID (for error output)
1137 * Message - Error message to use on failure
1138 *
1139 * RETURN: None
1140 *
875 * DESCRIPTION: Print warning message from KD table
1141 * DESCRIPTION: Print warning message
876 *
877 ******************************************************************************/
878
879void
880_ReportWarning (
881 NATIVE_CHAR *ModuleName,
882 UINT32 LineNumber,
883 UINT32 ComponentId)

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893 *
894 * PARAMETERS: ModuleName - Caller's module name (for error output)
895 * LineNumber - Caller's line number (for error output)
896 * ComponentId - Caller's component ID (for error output)
897 * Message - Error message to use on failure
898 *
899 * RETURN: None
900 *
1142 *
1143 ******************************************************************************/
1144
1145void
1146_ReportWarning (
1147 NATIVE_CHAR *ModuleName,
1148 UINT32 LineNumber,
1149 UINT32 ComponentId)

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1159 *
1160 * PARAMETERS: ModuleName - Caller's module name (for error output)
1161 * LineNumber - Caller's line number (for error output)
1162 * ComponentId - Caller's component ID (for error output)
1163 * Message - Error message to use on failure
1164 *
1165 * RETURN: None
1166 *
901 * DESCRIPTION: Print information message from KD table
1167 * DESCRIPTION: Print information message
902 *
903 ******************************************************************************/
904
905void
906_ReportInfo (
907 NATIVE_CHAR *ModuleName,
908 UINT32 LineNumber,
909 UINT32 ComponentId)
910{
911
912 AcpiOsPrintf ("%8s-%04d: *** Info: ", ModuleName, LineNumber);
913}
914
915
1168 *
1169 ******************************************************************************/
1170
1171void
1172_ReportInfo (
1173 NATIVE_CHAR *ModuleName,
1174 UINT32 LineNumber,
1175 UINT32 ComponentId)
1176{
1177
1178 AcpiOsPrintf ("%8s-%04d: *** Info: ", ModuleName, LineNumber);
1179}
1180
1181