1 /******************************************************************************
3 * Module Name: dtutils.c - Utility routines for the data table compiler
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp.
12 * All rights reserved.
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
37 * The above copyright and patent license is granted only if the following
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
72 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
80 * 4. Disclaimer and Export Compliance
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
152 #include "aslcompiler.h"
153 #include "dtcompiler.h"
154 #include "actables.h"
156 #define _COMPONENT DT_COMPILER
157 ACPI_MODULE_NAME ("dtutils")
159 /* Local prototypes */
163 DT_SUBTABLE
*Subtable
,
168 /******************************************************************************
172 * PARAMETERS: Level - Seriousness (Warning/error, etc.)
173 * MessageId - Index into global message buffer
174 * Op - Parse node where error happened
175 * ExtraMessage - additional error message
179 * DESCRIPTION: Common error interface for data table compiler
181 *****************************************************************************/
187 DT_FIELD
*FieldObject
,
191 /* Check if user wants to ignore this exception */
193 if (AslIsExceptionIgnored (Level
, MessageId
))
200 AslCommonError (Level
, MessageId
,
203 FieldObject
->ByteOffset
,
205 Gbl_Files
[ASL_FILE_INPUT
].Filename
, ExtraMessage
);
209 AslCommonError (Level
, MessageId
, 0,
210 0, 0, 0, 0, ExtraMessage
);
215 /******************************************************************************
217 * FUNCTION: DtNameError
219 * PARAMETERS: Level - Seriousness (Warning/error, etc.)
220 * MessageId - Index into global message buffer
221 * Op - Parse node where error happened
222 * ExtraMessage - additional error message
226 * DESCRIPTION: Error interface for named objects
228 *****************************************************************************/
234 DT_FIELD
*FieldObject
,
243 if (Gbl_WarningLevel
< Level
)
256 AslCommonError (Level
, MessageId
,
259 FieldObject
->ByteOffset
,
260 FieldObject
->NameColumn
,
261 Gbl_Files
[ASL_FILE_INPUT
].Filename
, ExtraMessage
);
265 AslCommonError (Level
, MessageId
, 0,
266 0, 0, 0, 0, ExtraMessage
);
271 /*******************************************************************************
279 * DESCRIPTION: Dump the error log and abort the compiler. Used for serious
280 * compile or I/O errors
282 ******************************************************************************/
287 DT_FIELD
*FieldObject
,
291 DtError (ASL_ERROR
, MessageId
, FieldObject
, ExtraMessage
);
294 * TBD: remove this entire function, DtFatal
296 * We cannot abort the compiler on error, because we may be compiling a
297 * list of files. We must move on to the next file.
306 /*******************************************************************************
308 * FUNCTION: DtDoConstant
310 * PARAMETERS: String - Only hex constants are supported,
311 * regardless of whether the 0x prefix
314 * RETURN: Converted Integer
316 * DESCRIPTION: Convert a string to an integer, with overflow/error checking.
318 ******************************************************************************/
324 UINT64 ConvertedInteger
;
328 * TBD: The ImplicitStrtoul64 function does not report overflow
329 * conditions. The input string is simply truncated. If it is
330 * desired to report overflow to the table compiler, this should
331 * somehow be added here. Note: integers that are prefixed with 0x
332 * or not are both hex integers.
334 ConvertedInteger
= AcpiUtImplicitStrtoul64 (String
);
335 return (ConvertedInteger
);
338 /******************************************************************************
340 * FUNCTION: DtGetFieldValue
342 * PARAMETERS: Field - Current field list pointer
344 * RETURN: Field value
346 * DESCRIPTION: Get field value
348 *****************************************************************************/
359 return (Field
->Value
);
363 /******************************************************************************
365 * FUNCTION: DtGetFieldType
367 * PARAMETERS: Info - Data table info
371 * DESCRIPTION: Get field type
373 *****************************************************************************/
377 ACPI_DMTABLE_INFO
*Info
)
382 /* DT_FLAG means that this is the start of a block of flag bits */
383 /* TBD - we can make these a separate opcode later */
385 if (Info
->Flags
& DT_FLAG
)
387 return (DT_FIELD_TYPE_FLAGS_INTEGER
);
390 /* Type is based upon the opcode for this field in the info table */
392 switch (Info
->Opcode
)
402 case ACPI_DMT_FLAGS0
:
403 case ACPI_DMT_FLAGS1
:
404 case ACPI_DMT_FLAGS2
:
405 case ACPI_DMT_FLAGS4
:
406 case ACPI_DMT_FLAGS4_0
:
407 case ACPI_DMT_FLAGS4_4
:
408 case ACPI_DMT_FLAGS4_8
:
409 case ACPI_DMT_FLAGS4_12
:
410 case ACPI_DMT_FLAGS16_16
:
412 Type
= DT_FIELD_TYPE_FLAG
;
419 case ACPI_DMT_STRING
:
421 Type
= DT_FIELD_TYPE_STRING
;
424 case ACPI_DMT_BUFFER
:
425 case ACPI_DMT_RAW_BUFFER
:
430 case ACPI_DMT_BUF128
:
431 case ACPI_DMT_PCI_PATH
:
433 Type
= DT_FIELD_TYPE_BUFFER
;
437 case ACPI_DMT_HESTNTFY
:
438 case ACPI_DMT_IORTMEM
:
440 Type
= DT_FIELD_TYPE_INLINE_SUBTABLE
;
443 case ACPI_DMT_UNICODE
:
445 Type
= DT_FIELD_TYPE_UNICODE
;
450 Type
= DT_FIELD_TYPE_UUID
;
453 case ACPI_DMT_DEVICE_PATH
:
455 Type
= DT_FIELD_TYPE_DEVICE_PATH
;
460 Type
= DT_FIELD_TYPE_LABEL
;
465 Type
= DT_FIELD_TYPE_INTEGER
;
473 /******************************************************************************
475 * FUNCTION: DtGetBufferLength
477 * PARAMETERS: Buffer - List of integers,
478 * for example "10 3A 4F 2E"
480 * RETURN: Count of integer
482 * DESCRIPTION: Get length of bytes needed to store the integers
484 *****************************************************************************/
490 UINT32 ByteLength
= 0;
499 while (*Buffer
== ' ')
508 return (++ByteLength
);
512 /******************************************************************************
514 * FUNCTION: DtGetFieldLength
516 * PARAMETERS: Field - Current field
517 * Info - Data table info
519 * RETURN: Field length
521 * DESCRIPTION: Get length of bytes needed to compile the field
523 * Note: This function must remain in sync with AcpiDmDumpTable.
525 *****************************************************************************/
530 ACPI_DMTABLE_INFO
*Info
)
532 UINT32 ByteLength
= 0;
536 /* Length is based upon the opcode for this field in the info table */
538 switch (Info
->Opcode
)
548 case ACPI_DMT_FLAGS0
:
549 case ACPI_DMT_FLAGS1
:
550 case ACPI_DMT_FLAGS2
:
551 case ACPI_DMT_FLAGS4
:
552 case ACPI_DMT_FLAGS4_0
:
553 case ACPI_DMT_FLAGS4_4
:
554 case ACPI_DMT_FLAGS4_8
:
555 case ACPI_DMT_FLAGS4_12
:
556 case ACPI_DMT_FLAGS16_16
:
558 case ACPI_DMT_EXTRA_TEXT
:
564 case ACPI_DMT_CHKSUM
:
565 case ACPI_DMT_SPACEID
:
566 case ACPI_DMT_ACCWIDTH
:
575 case ACPI_DMT_HESTNTYP
:
576 case ACPI_DMT_FADTPM
:
577 case ACPI_DMT_EINJACT
:
578 case ACPI_DMT_EINJINST
:
579 case ACPI_DMT_ERSTACT
:
580 case ACPI_DMT_ERSTINST
:
581 case ACPI_DMT_DMAR_SCOPE
:
586 case ACPI_DMT_UINT16
:
591 case ACPI_DMT_PCI_PATH
:
596 case ACPI_DMT_UINT24
:
601 case ACPI_DMT_UINT32
:
609 case ACPI_DMT_UINT40
:
614 case ACPI_DMT_UINT48
:
620 case ACPI_DMT_UINT56
:
626 case ACPI_DMT_UINT64
:
632 case ACPI_DMT_STRING
:
634 Value
= DtGetFieldValue (Field
);
637 ByteLength
= strlen (Value
) + 1;
640 { /* At this point, this is a fatal error */
642 sprintf (MsgBuffer
, "Expected \"%s\"", Info
->Name
);
643 DtFatal (ASL_MSG_COMPILER_INTERNAL
, NULL
, MsgBuffer
);
650 ByteLength
= sizeof (ACPI_GENERIC_ADDRESS
);
653 case ACPI_DMT_HESTNTFY
:
655 ByteLength
= sizeof (ACPI_HEST_NOTIFY
);
658 case ACPI_DMT_IORTMEM
:
660 ByteLength
= sizeof (ACPI_IORT_MEMORY_ACCESS
);
663 case ACPI_DMT_BUFFER
:
664 case ACPI_DMT_RAW_BUFFER
:
666 Value
= DtGetFieldValue (Field
);
669 ByteLength
= DtGetBufferLength (Value
);
672 { /* At this point, this is a fatal error */
674 sprintf (MsgBuffer
, "Expected \"%s\"", Info
->Name
);
675 DtFatal (ASL_MSG_COMPILER_INTERNAL
, NULL
, MsgBuffer
);
696 case ACPI_DMT_BUF128
:
701 case ACPI_DMT_UNICODE
:
703 Value
= DtGetFieldValue (Field
);
705 /* TBD: error if Value is NULL? (as below?) */
707 ByteLength
= (strlen (Value
) + 1) * sizeof(UINT16
);
712 DtFatal (ASL_MSG_COMPILER_INTERNAL
, Field
, "Invalid table opcode");
720 /******************************************************************************
724 * PARAMETERS: DT_WALK_CALLBACK:
725 * Subtable - Subtable
727 * ReturnValue - Store the checksum of subtable
731 * DESCRIPTION: Get the checksum of subtable
733 *****************************************************************************/
737 DT_SUBTABLE
*Subtable
,
742 UINT8
*Sum
= ReturnValue
;
745 Checksum
= AcpiTbChecksum (Subtable
->Buffer
, Subtable
->Length
);
746 *Sum
= (UINT8
) (*Sum
+ Checksum
);
750 /******************************************************************************
752 * FUNCTION: DtSetTableChecksum
754 * PARAMETERS: ChecksumPointer - Where to return the checksum
758 * DESCRIPTION: Set checksum of the whole data table into the checksum field
760 *****************************************************************************/
764 UINT8
*ChecksumPointer
)
770 DtWalkTableTree (Gbl_RootTable
, DtSum
, NULL
, &Checksum
);
772 OldSum
= *ChecksumPointer
;
773 Checksum
= (UINT8
) (Checksum
- OldSum
);
775 /* Compute the final checksum */
777 Checksum
= (UINT8
) (0 - Checksum
);
778 *ChecksumPointer
= Checksum
;
782 /******************************************************************************
784 * FUNCTION: DtSetTableLength
790 * DESCRIPTION: Walk the subtables and set all the length fields
792 *****************************************************************************/
798 DT_SUBTABLE
*ParentTable
;
799 DT_SUBTABLE
*ChildTable
;
802 ParentTable
= Gbl_RootTable
;
810 DtSetSubtableLength (ParentTable
);
814 ChildTable
= DtGetNextSubtable (ParentTable
, ChildTable
);
817 if (ChildTable
->LengthField
)
819 DtSetSubtableLength (ChildTable
);
822 if (ChildTable
->Child
)
824 ParentTable
= ChildTable
;
829 ParentTable
->TotalLength
+= ChildTable
->TotalLength
;
830 if (ParentTable
->LengthField
)
832 DtSetSubtableLength (ParentTable
);
838 ChildTable
= ParentTable
;
840 if (ChildTable
== Gbl_RootTable
)
845 ParentTable
= DtGetParentSubtable (ParentTable
);
847 ParentTable
->TotalLength
+= ChildTable
->TotalLength
;
848 if (ParentTable
->LengthField
)
850 DtSetSubtableLength (ParentTable
);
857 /******************************************************************************
859 * FUNCTION: DtWalkTableTree
861 * PARAMETERS: StartTable - Subtable in the tree where walking begins
862 * UserFunction - Called during the walk
863 * Context - Passed to user function
864 * ReturnValue - The return value of UserFunction
868 * DESCRIPTION: Performs a depth-first walk of the subtable tree
870 *****************************************************************************/
874 DT_SUBTABLE
*StartTable
,
875 DT_WALK_CALLBACK UserFunction
,
879 DT_SUBTABLE
*ParentTable
;
880 DT_SUBTABLE
*ChildTable
;
883 ParentTable
= StartTable
;
891 UserFunction (ParentTable
, Context
, ReturnValue
);
895 ChildTable
= DtGetNextSubtable (ParentTable
, ChildTable
);
898 UserFunction (ChildTable
, Context
, ReturnValue
);
900 if (ChildTable
->Child
)
902 ParentTable
= ChildTable
;
908 ChildTable
= ParentTable
;
909 if (ChildTable
== Gbl_RootTable
)
914 ParentTable
= DtGetParentSubtable (ParentTable
);
916 if (ChildTable
->Peer
== StartTable
)
925 /*******************************************************************************
927 * FUNCTION: UtSubtableCacheCalloc
931 * RETURN: Pointer to the buffer. Aborts on allocation failure
933 * DESCRIPTION: Allocate a subtable object buffer. Bypass the local
934 * dynamic memory manager for performance reasons (This has a
935 * major impact on the speed of the compiler.)
937 ******************************************************************************/
940 UtSubtableCacheCalloc (
943 ASL_CACHE_INFO
*Cache
;
946 if (Gbl_SubtableCacheNext
>= Gbl_SubtableCacheLast
)
948 /* Allocate a new buffer */
950 Cache
= UtLocalCalloc (sizeof (Cache
->Next
) +
951 (sizeof (DT_SUBTABLE
) * ASL_SUBTABLE_CACHE_SIZE
));
953 /* Link new cache buffer to head of list */
955 Cache
->Next
= Gbl_SubtableCacheList
;
956 Gbl_SubtableCacheList
= Cache
;
958 /* Setup cache management pointers */
960 Gbl_SubtableCacheNext
= ACPI_CAST_PTR (DT_SUBTABLE
, Cache
->Buffer
);
961 Gbl_SubtableCacheLast
= Gbl_SubtableCacheNext
+ ASL_SUBTABLE_CACHE_SIZE
;
965 return (Gbl_SubtableCacheNext
++);
969 /*******************************************************************************
971 * FUNCTION: UtFieldCacheCalloc
975 * RETURN: Pointer to the buffer. Aborts on allocation failure
977 * DESCRIPTION: Allocate a field object buffer. Bypass the local
978 * dynamic memory manager for performance reasons (This has a
979 * major impact on the speed of the compiler.)
981 ******************************************************************************/
987 ASL_CACHE_INFO
*Cache
;
990 if (Gbl_FieldCacheNext
>= Gbl_FieldCacheLast
)
992 /* Allocate a new buffer */
994 Cache
= UtLocalCalloc (sizeof (Cache
->Next
) +
995 (sizeof (DT_FIELD
) * ASL_FIELD_CACHE_SIZE
));
997 /* Link new cache buffer to head of list */
999 Cache
->Next
= Gbl_FieldCacheList
;
1000 Gbl_FieldCacheList
= Cache
;
1002 /* Setup cache management pointers */
1004 Gbl_FieldCacheNext
= ACPI_CAST_PTR (DT_FIELD
, Cache
->Buffer
);
1005 Gbl_FieldCacheLast
= Gbl_FieldCacheNext
+ ASL_FIELD_CACHE_SIZE
;
1009 return (Gbl_FieldCacheNext
++);
1013 /*******************************************************************************
1015 * FUNCTION: DtDeleteCaches
1021 * DESCRIPTION: Delete all local cache buffer blocks
1023 ******************************************************************************/
1030 ASL_CACHE_INFO
*Next
;
1036 while (Gbl_FieldCacheList
)
1038 Next
= Gbl_FieldCacheList
->Next
;
1039 ACPI_FREE (Gbl_FieldCacheList
);
1040 Gbl_FieldCacheList
= Next
;
1044 DbgPrint (ASL_DEBUG_OUTPUT
,
1045 "%u Fields, Buffer size: %u fields (%u bytes), %u Buffers\n",
1046 Gbl_FieldCount
, ASL_FIELD_CACHE_SIZE
,
1047 (sizeof (DT_FIELD
) * ASL_FIELD_CACHE_SIZE
), BufferCount
);
1050 Gbl_FieldCacheNext
= NULL
;
1051 Gbl_FieldCacheLast
= NULL
;
1053 /* Subtable cache */
1056 while (Gbl_SubtableCacheList
)
1058 Next
= Gbl_SubtableCacheList
->Next
;
1059 ACPI_FREE (Gbl_SubtableCacheList
);
1060 Gbl_SubtableCacheList
= Next
;
1064 DbgPrint (ASL_DEBUG_OUTPUT
,
1065 "%u Subtables, Buffer size: %u subtables (%u bytes), %u Buffers\n",
1066 Gbl_SubtableCount
, ASL_SUBTABLE_CACHE_SIZE
,
1067 (sizeof (DT_SUBTABLE
) * ASL_SUBTABLE_CACHE_SIZE
), BufferCount
);
1069 Gbl_SubtableCount
= 0;
1070 Gbl_SubtableCacheNext
= NULL
;
1071 Gbl_SubtableCacheLast
= NULL
;