1 /*******************************************************************************
3 * Module Name: dmbuffer - AML disassembler, buffer and string support
5 ******************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2015, 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 *****************************************************************************/
117 #include "accommon.h"
119 #include "acdisasm.h"
120 #include "acparser.h"
122 #include "acinterp.h"
125 #ifdef ACPI_DISASSEMBLER
127 #define _COMPONENT ACPI_CA_DEBUGGER
128 ACPI_MODULE_NAME ("dmbuffer")
130 /* Local prototypes */
134 ACPI_PARSE_OBJECT *Op);
138 ACPI_PARSE_OBJECT *Op);
141 AcpiDmGetHardwareIdType (
142 ACPI_PARSE_OBJECT *Op);
151 #define ACPI_BUFFER_BYTES_PER_LINE 8
154 /* Strings for ToPld */
156 static char *DmPanelList[] =
168 static char *DmVerticalPositionList[] =
176 static char *DmHorizontalPositionList[] =
184 static char *DmShapeList[] =
190 "HORIZONTALRECTANGLE",
192 "HORIZONTALTRAPEZOID",
199 /*******************************************************************************
201 * FUNCTION: AcpiDmDisasmByteList
203 * PARAMETERS: Level - Current source code indentation level
204 * ByteData - Pointer to the byte list
205 * ByteCount - Length of the byte list
209 * DESCRIPTION: Dump an AML "ByteList" in Hex format. 8 bytes per line, prefixed
210 * with the hex buffer offset.
212 ******************************************************************************/
215 AcpiDmDisasmByteList (
231 for (i = 0; i < ByteCount; i += ACPI_BUFFER_BYTES_PER_LINE)
233 /* Line indent and offset prefix for each new line */
235 AcpiDmIndent (Level);
236 if (ByteCount > ACPI_BUFFER_BYTES_PER_LINE)
238 AcpiOsPrintf ("/* %04X */ ", i);
241 /* Dump the actual hex values */
243 for (j = 0; j < ACPI_BUFFER_BYTES_PER_LINE; j++)
245 CurrentIndex = i + j;
246 if (CurrentIndex >= ByteCount)
248 /* Dump fill spaces */
254 AcpiOsPrintf (" 0x%2.2X", ByteData[CurrentIndex]);
256 /* Add comma if there are more bytes to display */
258 if (CurrentIndex < (ByteCount - 1))
268 /* Dump the ASCII equivalents within a comment */
270 AcpiOsPrintf (" /* ");
271 for (j = 0; j < ACPI_BUFFER_BYTES_PER_LINE; j++)
273 CurrentIndex = i + j;
274 if (CurrentIndex >= ByteCount)
279 BufChar = ByteData[CurrentIndex];
280 if (ACPI_IS_PRINT (BufChar))
282 AcpiOsPrintf ("%c", BufChar);
290 /* Finished with this line */
292 AcpiOsPrintf (" */\n");
297 /*******************************************************************************
299 * FUNCTION: AcpiDmByteList
301 * PARAMETERS: Info - Parse tree walk info
306 * DESCRIPTION: Dump a buffer byte list, handling the various types of buffers.
307 * Buffer type must be already set in the Op DisasmOpcode.
309 ******************************************************************************/
313 ACPI_OP_WALK_INFO *Info,
314 ACPI_PARSE_OBJECT *Op)
320 ByteData = Op->Named.Data;
321 ByteCount = (UINT32) Op->Common.Value.Integer;
324 * The byte list belongs to a buffer, and can be produced by either
325 * a ResourceTemplate, Unicode, quoted string, or a plain byte list.
327 switch (Op->Common.Parent->Common.DisasmOpcode)
329 case ACPI_DASM_RESOURCE:
331 AcpiDmResourceTemplate (Info, Op->Common.Parent, ByteData, ByteCount);
334 case ACPI_DASM_STRING:
336 AcpiDmIndent (Info->Level);
337 AcpiUtPrintString ((char *) ByteData, ACPI_UINT16_MAX);
346 case ACPI_DASM_UNICODE:
351 case ACPI_DASM_PLD_METHOD:
353 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount);
355 AcpiDmPldBuffer (Info->Level, ByteData, ByteCount);
358 case ACPI_DASM_BUFFER:
361 * Not a resource, string, or unicode string.
362 * Just dump the buffer
364 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount);
370 /*******************************************************************************
372 * FUNCTION: AcpiDmIsUuidBuffer
374 * PARAMETERS: Op - Buffer Object to be examined
376 * RETURN: TRUE if buffer contains a UUID
378 * DESCRIPTION: Determine if a buffer Op contains a UUID
380 * To help determine whether the buffer is a UUID versus a raw data buffer,
381 * there a are a couple bytes we can look at:
383 * xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx
385 * The variant covered by the UUID specification is indicated by the two most
386 * significant bits of N being 1 0 (i.e., the hexadecimal N will always be
389 * The variant covered by the UUID specification has five versions. For this
390 * variant, the four bits of M indicates the UUID version (i.e., the
391 * hexadecimal M will be either 1, 2, 3, 4, or 5).
393 ******************************************************************************/
397 ACPI_PARSE_OBJECT *Op)
401 ACPI_PARSE_OBJECT *SizeOp;
402 ACPI_PARSE_OBJECT *NextOp;
405 /* Buffer size is the buffer argument */
407 SizeOp = Op->Common.Value.Arg;
409 /* Next, the initializer byte list to examine */
411 NextOp = SizeOp->Common.Next;
417 /* Extract the byte list info */
419 ByteData = NextOp->Named.Data;
420 ByteCount = (UINT32) NextOp->Common.Value.Integer;
422 /* Byte count must be exactly 16 */
424 if (ByteCount != UUID_BUFFER_LENGTH)
429 /* Check for valid "M" and "N" values (see function header above) */
431 if (((ByteData[7] & 0xF0) == 0x00) || /* M={1,2,3,4,5} */
432 ((ByteData[7] & 0xF0) > 0x50) ||
433 ((ByteData[8] & 0xF0) < 0x80) || /* N={8,9,A,B} */
434 ((ByteData[8] & 0xF0) > 0xB0))
439 /* Ignore the Size argument in the disassembly of this buffer op */
441 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
446 /*******************************************************************************
448 * FUNCTION: AcpiDmUuid
450 * PARAMETERS: Op - Byte List op containing a UUID
454 * DESCRIPTION: Dump a buffer containing a UUID as a standard ASCII string.
457 * In its canonical form, the UUID is represented by a string containing 32
458 * lowercase hexadecimal digits, displayed in 5 groups separated by hyphens.
459 * The complete form is 8-4-4-4-12 for a total of 36 characters (32
460 * alphanumeric characters representing hex digits and 4 hyphens). In bytes,
461 * 4-2-2-2-6. Example:
463 * ToUUID ("107ededd-d381-4fd7-8da9-08e9a6c79644")
465 ******************************************************************************/
469 ACPI_PARSE_OBJECT *Op)
472 const char *Description;
475 Data = ACPI_CAST_PTR (UINT8, Op->Named.Data);
477 /* Emit the 36-byte UUID string in the proper format/order */
480 "\"%2.2x%2.2x%2.2x%2.2x-"
484 "%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x\")",
485 Data[3], Data[2], Data[1], Data[0],
489 Data[10], Data[11], Data[12], Data[13], Data[14], Data[15]);
491 /* Dump the UUID description string if available */
493 Description = AcpiAhMatchUuid (Data);
496 AcpiOsPrintf (" /* %s */", Description);
501 /*******************************************************************************
503 * FUNCTION: AcpiDmIsUnicodeBuffer
505 * PARAMETERS: Op - Buffer Object to be examined
507 * RETURN: TRUE if buffer contains a UNICODE string
509 * DESCRIPTION: Determine if a buffer Op contains a Unicode string
511 ******************************************************************************/
514 AcpiDmIsUnicodeBuffer (
515 ACPI_PARSE_OBJECT *Op)
520 ACPI_PARSE_OBJECT *SizeOp;
521 ACPI_PARSE_OBJECT *NextOp;
525 /* Buffer size is the buffer argument */
527 SizeOp = Op->Common.Value.Arg;
529 /* Next, the initializer byte list to examine */
531 NextOp = SizeOp->Common.Next;
537 /* Extract the byte list info */
539 ByteData = NextOp->Named.Data;
540 ByteCount = (UINT32) NextOp->Common.Value.Integer;
541 WordCount = ACPI_DIV_2 (ByteCount);
544 * Unicode string must have an even number of bytes and last
550 ((UINT16 *) (void *) ByteData)[WordCount - 1] != 0)
555 /* For each word, 1st byte must be ascii (1-0x7F), 2nd byte must be zero */
557 for (i = 0; i < (ByteCount - 2); i += 2)
559 if ((ByteData[i] == 0) ||
560 (ByteData[i] > 0x7F) ||
561 (ByteData[(ACPI_SIZE) i + 1] != 0))
567 /* Ignore the Size argument in the disassembly of this buffer op */
569 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
574 /*******************************************************************************
576 * FUNCTION: AcpiDmIsStringBuffer
578 * PARAMETERS: Op - Buffer Object to be examined
580 * RETURN: TRUE if buffer contains a ASCII string, FALSE otherwise
582 * DESCRIPTION: Determine if a buffer Op contains a ASCII string
584 ******************************************************************************/
587 AcpiDmIsStringBuffer (
588 ACPI_PARSE_OBJECT *Op)
592 ACPI_PARSE_OBJECT *SizeOp;
593 ACPI_PARSE_OBJECT *NextOp;
597 /* Buffer size is the buffer argument */
599 SizeOp = Op->Common.Value.Arg;
601 /* Next, the initializer byte list to examine */
603 NextOp = SizeOp->Common.Next;
609 /* Extract the byte list info */
611 ByteData = NextOp->Named.Data;
612 ByteCount = (UINT32) NextOp->Common.Value.Integer;
614 /* Last byte must be the null terminator */
618 (ByteData[ByteCount-1] != 0))
623 for (i = 0; i < (ByteCount - 1); i++)
625 /* TBD: allow some escapes (non-ascii chars).
626 * they will be handled in the string output routine
629 if (!ACPI_IS_PRINT (ByteData[i]))
639 /*******************************************************************************
641 * FUNCTION: AcpiDmIsPldBuffer
643 * PARAMETERS: Op - Buffer Object to be examined
645 * RETURN: TRUE if buffer contains a ASCII string, FALSE otherwise
647 * DESCRIPTION: Determine if a buffer Op contains a _PLD structure
649 ******************************************************************************/
653 ACPI_PARSE_OBJECT *Op)
655 ACPI_NAMESPACE_NODE *Node;
656 ACPI_PARSE_OBJECT *SizeOp;
657 ACPI_PARSE_OBJECT *ParentOp;
660 /* Buffer size is the buffer argument */
662 SizeOp = Op->Common.Value.Arg;
664 ParentOp = Op->Common.Parent;
670 /* Check for form: Name(_PLD, Buffer() {}). Not legal, however */
672 if (ParentOp->Common.AmlOpcode == AML_NAME_OP)
674 Node = ParentOp->Common.Node;
676 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD))
678 /* Ignore the Size argument in the disassembly of this buffer op */
680 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
687 /* Check for proper form: Name(_PLD, Package() {Buffer() {}}) */
689 if (ParentOp->Common.AmlOpcode == AML_PACKAGE_OP)
691 ParentOp = ParentOp->Common.Parent;
697 if (ParentOp->Common.AmlOpcode == AML_NAME_OP)
699 Node = ParentOp->Common.Node;
701 if (ACPI_COMPARE_NAME (Node->Name.Ascii, METHOD_NAME__PLD))
703 /* Ignore the Size argument in the disassembly of this buffer op */
705 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
715 /*******************************************************************************
717 * FUNCTION: AcpiDmFindNameByIndex
719 * PARAMETERS: Index - Index of array to check
720 * List - Array to reference
722 * RETURN: String from List or empty string
724 * DESCRIPTION: Finds and returns the char string located at the given index
727 ******************************************************************************/
730 AcpiDmFindNameByIndex (
751 /* TBD: Add error msg */
756 return (List[Index]);
760 /*******************************************************************************
762 * FUNCTION: AcpiDmPldBuffer
764 * PARAMETERS: Level - Current source code indentation level
765 * ByteData - Pointer to the byte list
766 * ByteCount - Length of the byte list
770 * DESCRIPTION: Dump and format the contents of a _PLD buffer object
772 ******************************************************************************/
774 #define ACPI_PLD_OUTPUT08 "%*.s%-18s = 0x%X,\n", ACPI_MUL_4 (Level), " "
775 #define ACPI_PLD_OUTPUT08P "%*.s%-18s = 0x%X)\n", ACPI_MUL_4 (Level), " "
776 #define ACPI_PLD_OUTPUT16 "%*.s%-18s = 0x%X,\n", ACPI_MUL_4 (Level), " "
777 #define ACPI_PLD_OUTPUT16P "%*.s%-18s = 0x%X)\n", ACPI_MUL_4 (Level), " "
778 #define ACPI_PLD_OUTPUT24 "%*.s%-18s = 0x%X,\n", ACPI_MUL_4 (Level), " "
779 #define ACPI_PLD_OUTPUTSTR "%*.s%-18s = \"%s\",\n", ACPI_MUL_4 (Level), " "
787 ACPI_PLD_INFO *PldInfo;
791 /* Check for valid byte count */
793 if (ByteCount < ACPI_PLD_REV1_BUFFER_SIZE)
798 /* Convert _PLD buffer to local _PLD struct */
800 Status = AcpiDecodePldBuffer (ByteData, ByteCount, &PldInfo);
801 if (ACPI_FAILURE (Status))
808 /* First 32-bit dword */
810 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Revision", PldInfo->Revision);
811 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_IgnoreColor", PldInfo->IgnoreColor);
812 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Red", PldInfo->Red);
813 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Green", PldInfo->Green);
814 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Blue", PldInfo->Blue);
816 /* Second 32-bit dword */
818 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Width", PldInfo->Width);
819 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_Height", PldInfo->Height);
821 /* Third 32-bit dword */
823 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_UserVisible", PldInfo->UserVisible);
824 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Dock", PldInfo->Dock);
825 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Lid", PldInfo->Lid);
826 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Panel",
827 AcpiDmFindNameByIndex(PldInfo->Panel, DmPanelList));
828 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_VerticalPosition",
829 AcpiDmFindNameByIndex(PldInfo->VerticalPosition, DmVerticalPositionList));
830 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_HorizontalPosition",
831 AcpiDmFindNameByIndex(PldInfo->HorizontalPosition, DmHorizontalPositionList));
832 AcpiOsPrintf (ACPI_PLD_OUTPUTSTR, "PLD_Shape",
833 AcpiDmFindNameByIndex(PldInfo->Shape, DmShapeList));
834 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupOrientation", PldInfo->GroupOrientation);
835 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupToken", PldInfo->GroupToken);
836 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_GroupPosition", PldInfo->GroupPosition);
837 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Bay", PldInfo->Bay);
839 /* Fourth 32-bit dword */
841 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Ejectable", PldInfo->Ejectable);
842 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_EjectRequired", PldInfo->OspmEjectRequired);
843 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CabinetNumber", PldInfo->CabinetNumber);
844 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_CardCageNumber", PldInfo->CardCageNumber);
845 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Reference", PldInfo->Reference);
846 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Rotation", PldInfo->Rotation);
848 if (ByteCount < ACPI_PLD_REV1_BUFFER_SIZE)
850 AcpiOsPrintf (ACPI_PLD_OUTPUT08P, "PLD_Order", PldInfo->Order);
854 AcpiOsPrintf (ACPI_PLD_OUTPUT08, "PLD_Order", PldInfo->Order);
857 /* Fifth 32-bit dword */
859 if (ByteCount >= ACPI_PLD_REV1_BUFFER_SIZE)
861 AcpiOsPrintf (ACPI_PLD_OUTPUT16, "PLD_VerticalOffset", PldInfo->VerticalOffset);
862 AcpiOsPrintf (ACPI_PLD_OUTPUT16P, "PLD_HorizontalOffset", PldInfo->HorizontalOffset);
869 /*******************************************************************************
871 * FUNCTION: AcpiDmUnicode
873 * PARAMETERS: Op - Byte List op containing Unicode string
877 * DESCRIPTION: Dump Unicode string as a standard ASCII string. (Remove
878 * the extra zero bytes).
880 ******************************************************************************/
884 ACPI_PARSE_OBJECT *Op)
892 /* Extract the buffer info as a WORD buffer */
894 WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data);
895 WordCount = ACPI_DIV_2 (((UINT32) Op->Common.Value.Integer));
897 /* Write every other byte as an ASCII character */
900 for (i = 0; i < (WordCount - 1); i++)
902 OutputValue = (int) WordData[i];
904 /* Handle values that must be escaped */
906 if ((OutputValue == '\"') ||
907 (OutputValue == '\\'))
909 AcpiOsPrintf ("\\%c", OutputValue);
911 else if (!ACPI_IS_PRINT (OutputValue))
913 AcpiOsPrintf ("\\x%2.2X", OutputValue);
917 AcpiOsPrintf ("%c", OutputValue);
921 AcpiOsPrintf ("\")");
925 /*******************************************************************************
927 * FUNCTION: AcpiDmGetHardwareIdType
929 * PARAMETERS: Op - Op to be examined
933 * DESCRIPTION: Determine the type of the argument to a _HID or _CID
934 * 1) Strings are allowed
935 * 2) If Integer, determine if it is a valid EISAID
937 ******************************************************************************/
940 AcpiDmGetHardwareIdType (
941 ACPI_PARSE_OBJECT *Op)
948 switch (Op->Common.AmlOpcode)
952 /* Mark this string as an _HID/_CID string */
954 Op->Common.DisasmOpcode = ACPI_DASM_HID_STRING;
960 /* Determine if a Word/Dword is a valid encoded EISAID */
962 /* Swap from little-endian to big-endian to simplify conversion */
964 BigEndianId = AcpiUtDwordByteSwap ((UINT32) Op->Common.Value.Integer);
966 /* Create the 3 leading ASCII letters */
968 Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40;
969 Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40;
970 Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40;
972 /* Verify that all 3 are ascii and alpha */
974 for (i = 0; i < 3; i++)
976 if (!ACPI_IS_ASCII (Prefix[i]) ||
977 !ACPI_IS_ALPHA (Prefix[i]))
983 /* Mark this node as convertable to an EISA ID string */
985 Op->Common.DisasmOpcode = ACPI_DASM_EISAID;
994 /*******************************************************************************
996 * FUNCTION: AcpiDmCheckForHardwareId
998 * PARAMETERS: Op - Op to be examined
1002 * DESCRIPTION: Determine if a Name() Op is a _HID/_CID.
1004 ******************************************************************************/
1007 AcpiDmCheckForHardwareId (
1008 ACPI_PARSE_OBJECT *Op)
1011 ACPI_PARSE_OBJECT *NextOp;
1014 /* Get the NameSegment */
1016 Name = AcpiPsGetName (Op);
1022 NextOp = AcpiPsGetDepthNext (NULL, Op);
1028 /* Check for _HID - has one argument */
1030 if (ACPI_COMPARE_NAME (&Name, METHOD_NAME__HID))
1032 AcpiDmGetHardwareIdType (NextOp);
1036 /* Exit if not _CID */
1038 if (!ACPI_COMPARE_NAME (&Name, METHOD_NAME__CID))
1043 /* _CID can contain a single argument or a package */
1045 if (NextOp->Common.AmlOpcode != AML_PACKAGE_OP)
1047 AcpiDmGetHardwareIdType (NextOp);
1051 /* _CID with Package: get the package length, check all elements */
1053 NextOp = AcpiPsGetDepthNext (NULL, NextOp);
1059 /* Don't need to use the length, just walk the peer list */
1061 NextOp = NextOp->Common.Next;
1064 AcpiDmGetHardwareIdType (NextOp);
1065 NextOp = NextOp->Common.Next;
1070 /*******************************************************************************
1072 * FUNCTION: AcpiDmDecompressEisaId
1074 * PARAMETERS: EncodedId - Raw encoded EISA ID.
1078 * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String
1079 * and emit the correct ASL statement. If the ID is known, emit
1080 * a description of the ID as a comment.
1082 ******************************************************************************/
1085 AcpiDmDecompressEisaId (
1088 char IdBuffer[ACPI_EISAID_STRING_SIZE];
1089 const AH_DEVICE_ID *Info;
1092 /* Convert EISAID to a string an emit the statement */
1094 AcpiExEisaIdToString (IdBuffer, EncodedId);
1095 AcpiOsPrintf ("EisaId (\"%s\")", IdBuffer);
1097 /* If we know about the ID, emit the description */
1099 Info = AcpiAhMatchHardwareId (IdBuffer);
1102 AcpiOsPrintf (" /* %s */", Info->Description);