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dtio.c revision 1.1.1.7
      1 /******************************************************************************
      2  *
      3  * Module Name: dtio.c - File I/O support for data table compiler
      4  *
      5  *****************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2015, Intel Corp.
      9  * All rights reserved.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions, and the following disclaimer,
     16  *    without modification.
     17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     18  *    substantially similar to the "NO WARRANTY" disclaimer below
     19  *    ("Disclaimer") and any redistribution must be conditioned upon
     20  *    including a substantially similar Disclaimer requirement for further
     21  *    binary redistribution.
     22  * 3. Neither the names of the above-listed copyright holders nor the names
     23  *    of any contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * Alternatively, this software may be distributed under the terms of the
     27  * GNU General Public License ("GPL") version 2 as published by the Free
     28  * Software Foundation.
     29  *
     30  * NO WARRANTY
     31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
     34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     41  * POSSIBILITY OF SUCH DAMAGES.
     42  */
     43 
     44 #include "aslcompiler.h"
     45 #include "dtcompiler.h"
     46 #include "acapps.h"
     47 
     48 #define _COMPONENT          DT_COMPILER
     49         ACPI_MODULE_NAME    ("dtio")
     50 
     51 
     52 /* Local prototypes */
     53 
     54 static char *
     55 DtTrim (
     56     char                    *String);
     57 
     58 static void
     59 DtLinkField (
     60     DT_FIELD                *Field);
     61 
     62 static ACPI_STATUS
     63 DtParseLine (
     64     char                    *LineBuffer,
     65     UINT32                  Line,
     66     UINT32                  Offset);
     67 
     68 static void
     69 DtWriteBinary (
     70     DT_SUBTABLE             *Subtable,
     71     void                    *Context,
     72     void                    *ReturnValue);
     73 
     74 static void
     75 DtDumpBuffer (
     76     UINT32                  FileId,
     77     UINT8                   *Buffer,
     78     UINT32                  Offset,
     79     UINT32                  Length);
     80 
     81 static void
     82 DtDumpSubtableInfo (
     83     DT_SUBTABLE             *Subtable,
     84     void                    *Context,
     85     void                    *ReturnValue);
     86 
     87 static void
     88 DtDumpSubtableTree (
     89     DT_SUBTABLE             *Subtable,
     90     void                    *Context,
     91     void                    *ReturnValue);
     92 
     93 
     94 /* States for DtGetNextLine */
     95 
     96 #define DT_NORMAL_TEXT              0
     97 #define DT_START_QUOTED_STRING      1
     98 #define DT_START_COMMENT            2
     99 #define DT_SLASH_ASTERISK_COMMENT   3
    100 #define DT_SLASH_SLASH_COMMENT      4
    101 #define DT_END_COMMENT              5
    102 #define DT_MERGE_LINES              6
    103 #define DT_ESCAPE_SEQUENCE          7
    104 
    105 static UINT32  Gbl_NextLineOffset;
    106 
    107 
    108 /******************************************************************************
    109  *
    110  * FUNCTION:    DtTrim
    111  *
    112  * PARAMETERS:  String              - Current source code line to trim
    113  *
    114  * RETURN:      Trimmed line. Must be freed by caller.
    115  *
    116  * DESCRIPTION: Trim left and right spaces
    117  *
    118  *****************************************************************************/
    119 
    120 static char *
    121 DtTrim (
    122     char                    *String)
    123 {
    124     char                    *Start;
    125     char                    *End;
    126     char                    *ReturnString;
    127     ACPI_SIZE               Length;
    128 
    129 
    130     /* Skip lines that start with a space */
    131 
    132     if (!strcmp (String, " "))
    133     {
    134         ReturnString = UtStringCacheCalloc (1);
    135         return (ReturnString);
    136     }
    137 
    138     /* Setup pointers to start and end of input string */
    139 
    140     Start = String;
    141     End = String + strlen (String) - 1;
    142 
    143     /* Find first non-whitespace character */
    144 
    145     while ((Start <= End) && ((*Start == ' ') || (*Start == '\t')))
    146     {
    147         Start++;
    148     }
    149 
    150     /* Find last non-space character */
    151 
    152     while (End >= Start)
    153     {
    154         if (*End == '\r' || *End == '\n')
    155         {
    156             End--;
    157             continue;
    158         }
    159 
    160         if (*End != ' ')
    161         {
    162             break;
    163         }
    164 
    165         End--;
    166     }
    167 
    168     /* Remove any quotes around the string */
    169 
    170     if (*Start == '\"')
    171     {
    172         Start++;
    173     }
    174     if (*End == '\"')
    175     {
    176         End--;
    177     }
    178 
    179     /* Create the trimmed return string */
    180 
    181     Length = ACPI_PTR_DIFF (End, Start) + 1;
    182     ReturnString = UtStringCacheCalloc (Length + 1);
    183     if (strlen (Start))
    184     {
    185         strncpy (ReturnString, Start, Length);
    186     }
    187 
    188     ReturnString[Length] = 0;
    189     return (ReturnString);
    190 }
    191 
    192 
    193 /******************************************************************************
    194  *
    195  * FUNCTION:    DtLinkField
    196  *
    197  * PARAMETERS:  Field               - New field object to link
    198  *
    199  * RETURN:      None
    200  *
    201  * DESCRIPTION: Link one field name and value to the list
    202  *
    203  *****************************************************************************/
    204 
    205 static void
    206 DtLinkField (
    207     DT_FIELD                *Field)
    208 {
    209     DT_FIELD                *Prev;
    210     DT_FIELD                *Next;
    211 
    212 
    213     Prev = Next = Gbl_FieldList;
    214 
    215     while (Next)
    216     {
    217         Prev = Next;
    218         Next = Next->Next;
    219     }
    220 
    221     if (Prev)
    222     {
    223         Prev->Next = Field;
    224     }
    225     else
    226     {
    227         Gbl_FieldList = Field;
    228     }
    229 }
    230 
    231 
    232 /******************************************************************************
    233  *
    234  * FUNCTION:    DtParseLine
    235  *
    236  * PARAMETERS:  LineBuffer          - Current source code line
    237  *              Line                - Current line number in the source
    238  *              Offset              - Current byte offset of the line
    239  *
    240  * RETURN:      Status
    241  *
    242  * DESCRIPTION: Parse one source line
    243  *
    244  *****************************************************************************/
    245 
    246 static ACPI_STATUS
    247 DtParseLine (
    248     char                    *LineBuffer,
    249     UINT32                  Line,
    250     UINT32                  Offset)
    251 {
    252     char                    *Start;
    253     char                    *End;
    254     char                    *TmpName;
    255     char                    *TmpValue;
    256     char                    *Name;
    257     char                    *Value;
    258     char                    *Colon;
    259     UINT32                  Length;
    260     DT_FIELD                *Field;
    261     UINT32                  Column;
    262     UINT32                  NameColumn;
    263     BOOLEAN                 IsNullString = FALSE;
    264 
    265 
    266     if (!LineBuffer)
    267     {
    268         return (AE_OK);
    269     }
    270 
    271     /* All lines after "Raw Table Data" are ingored */
    272 
    273     if (strstr (LineBuffer, ACPI_RAW_TABLE_DATA_HEADER))
    274     {
    275         return (AE_NOT_FOUND);
    276     }
    277 
    278     Colon = strchr (LineBuffer, ':');
    279     if (!Colon)
    280     {
    281         return (AE_OK);
    282     }
    283 
    284     Start = LineBuffer;
    285     End = Colon;
    286 
    287     while (Start < Colon)
    288     {
    289         if (*Start == '[')
    290         {
    291             /* Found left bracket, go to the right bracket */
    292 
    293             while (Start < Colon && *Start != ']')
    294             {
    295                 Start++;
    296             }
    297         }
    298         else if (*Start != ' ')
    299         {
    300             break;
    301         }
    302 
    303         Start++;
    304     }
    305 
    306     /*
    307      * There are two column values. One for the field name,
    308      * and one for the field value.
    309      */
    310     Column = ACPI_PTR_DIFF (Colon, LineBuffer) + 3;
    311     NameColumn = ACPI_PTR_DIFF (Start, LineBuffer) + 1;
    312 
    313     Length = ACPI_PTR_DIFF (End, Start);
    314 
    315     TmpName = UtLocalCalloc (Length + 1);
    316     strncpy (TmpName, Start, Length);
    317     Name = DtTrim (TmpName);
    318     ACPI_FREE (TmpName);
    319 
    320     Start = End = (Colon + 1);
    321     while (*End)
    322     {
    323         /* Found left quotation, go to the right quotation and break */
    324 
    325         if (*End == '"')
    326         {
    327             End++;
    328 
    329             /* Check for an explicit null string */
    330 
    331             if (*End == '"')
    332             {
    333                 IsNullString = TRUE;
    334             }
    335             while (*End && (*End != '"'))
    336             {
    337                 End++;
    338             }
    339 
    340             End++;
    341             break;
    342         }
    343 
    344         /*
    345          * Special "comment" fields at line end, ignore them.
    346          * Note: normal slash-slash and slash-asterisk comments are
    347          * stripped already by the DtGetNextLine parser.
    348          *
    349          * TBD: Perhaps DtGetNextLine should parse the following type
    350          * of comments also.
    351          */
    352         if (*End == '[')
    353         {
    354             End--;
    355             break;
    356         }
    357         End++;
    358     }
    359 
    360     Length = ACPI_PTR_DIFF (End, Start);
    361     TmpValue = UtLocalCalloc (Length + 1);
    362 
    363     strncpy (TmpValue, Start, Length);
    364     Value = DtTrim (TmpValue);
    365     ACPI_FREE (TmpValue);
    366 
    367     /* Create a new field object only if we have a valid value field */
    368 
    369     if ((Value && *Value) || IsNullString)
    370     {
    371         Field = UtFieldCacheCalloc ();
    372         Field->Name = Name;
    373         Field->Value = Value;
    374         Field->Line = Line;
    375         Field->ByteOffset = Offset;
    376         Field->NameColumn = NameColumn;
    377         Field->Column = Column;
    378         Field->StringLength = Length;
    379 
    380         DtLinkField (Field);
    381     }
    382     /* Else -- Ignore this field, it has no valid data */
    383 
    384     return (AE_OK);
    385 }
    386 
    387 
    388 /******************************************************************************
    389  *
    390  * FUNCTION:    DtGetNextLine
    391  *
    392  * PARAMETERS:  Handle              - Open file handle for the source file
    393  *
    394  * RETURN:      Filled line buffer and offset of start-of-line (ASL_EOF on EOF)
    395  *
    396  * DESCRIPTION: Get the next valid source line. Removes all comments.
    397  *              Ignores empty lines.
    398  *
    399  * Handles both slash-asterisk and slash-slash comments.
    400  * Also, quoted strings, but no escapes within.
    401  *
    402  * Line is returned in Gbl_CurrentLineBuffer.
    403  * Line number in original file is returned in Gbl_CurrentLineNumber.
    404  *
    405  *****************************************************************************/
    406 
    407 UINT32
    408 DtGetNextLine (
    409     FILE                    *Handle,
    410     UINT32                  Flags)
    411 {
    412     BOOLEAN                 LineNotAllBlanks = FALSE;
    413     UINT32                  State = DT_NORMAL_TEXT;
    414     UINT32                  CurrentLineOffset;
    415     UINT32                  i;
    416     int                     c;
    417 
    418 
    419     memset (Gbl_CurrentLineBuffer, 0, Gbl_LineBufferSize);
    420     for (i = 0; ;)
    421     {
    422         /*
    423          * If line is too long, expand the line buffers. Also increases
    424          * Gbl_LineBufferSize.
    425          */
    426         if (i >= Gbl_LineBufferSize)
    427         {
    428             UtExpandLineBuffers ();
    429         }
    430 
    431         c = getc (Handle);
    432         if (c == EOF)
    433         {
    434             switch (State)
    435             {
    436             case DT_START_QUOTED_STRING:
    437             case DT_SLASH_ASTERISK_COMMENT:
    438 
    439                 AcpiOsPrintf ("**** EOF within comment/string %u\n", State);
    440                 break;
    441 
    442             default:
    443 
    444                 break;
    445             }
    446 
    447             /* Standalone EOF is OK */
    448 
    449             if (i == 0)
    450             {
    451                 return (ASL_EOF);
    452             }
    453 
    454             /*
    455              * Received an EOF in the middle of a line. Terminate the
    456              * line with a newline. The next call to this function will
    457              * return a standalone EOF. Thus, the upper parsing software
    458              * never has to deal with an EOF within a valid line (or
    459              * the last line does not get tossed on the floor.)
    460              */
    461             c = '\n';
    462             State = DT_NORMAL_TEXT;
    463         }
    464 
    465         switch (State)
    466         {
    467         case DT_NORMAL_TEXT:
    468 
    469             /* Normal text, insert char into line buffer */
    470 
    471             Gbl_CurrentLineBuffer[i] = (char) c;
    472             switch (c)
    473             {
    474             case '/':
    475 
    476                 State = DT_START_COMMENT;
    477                 break;
    478 
    479             case '"':
    480 
    481                 State = DT_START_QUOTED_STRING;
    482                 LineNotAllBlanks = TRUE;
    483                 i++;
    484                 break;
    485 
    486             case '\\':
    487                 /*
    488                  * The continuation char MUST be last char on this line.
    489                  * Otherwise, it will be assumed to be a valid ASL char.
    490                  */
    491                 State = DT_MERGE_LINES;
    492                 break;
    493 
    494             case '\n':
    495 
    496                 CurrentLineOffset = Gbl_NextLineOffset;
    497                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    498                 Gbl_CurrentLineNumber++;
    499 
    500                 /*
    501                  * Exit if line is complete. Ignore empty lines (only \n)
    502                  * or lines that contain nothing but blanks.
    503                  */
    504                 if ((i != 0) && LineNotAllBlanks)
    505                 {
    506                     if ((i + 1) >= Gbl_LineBufferSize)
    507                     {
    508                         UtExpandLineBuffers ();
    509                     }
    510 
    511                     Gbl_CurrentLineBuffer[i+1] = 0; /* Terminate string */
    512                     return (CurrentLineOffset);
    513                 }
    514 
    515                 /* Toss this line and start a new one */
    516 
    517                 i = 0;
    518                 LineNotAllBlanks = FALSE;
    519                 break;
    520 
    521             default:
    522 
    523                 if (c != ' ')
    524                 {
    525                     LineNotAllBlanks = TRUE;
    526                 }
    527 
    528                 i++;
    529                 break;
    530             }
    531             break;
    532 
    533         case DT_START_QUOTED_STRING:
    534 
    535             /* Insert raw chars until end of quoted string */
    536 
    537             Gbl_CurrentLineBuffer[i] = (char) c;
    538             i++;
    539 
    540             switch (c)
    541             {
    542             case '"':
    543 
    544                 State = DT_NORMAL_TEXT;
    545                 break;
    546 
    547             case '\\':
    548 
    549                 State = DT_ESCAPE_SEQUENCE;
    550                 break;
    551 
    552             case '\n':
    553 
    554                 if (!(Flags & DT_ALLOW_MULTILINE_QUOTES))
    555                 {
    556                     AcpiOsPrintf ("ERROR at line %u: Unterminated quoted string\n",
    557                         Gbl_CurrentLineNumber++);
    558                     State = DT_NORMAL_TEXT;
    559                 }
    560                 break;
    561 
    562             default:    /* Get next character */
    563 
    564                 break;
    565             }
    566             break;
    567 
    568         case DT_ESCAPE_SEQUENCE:
    569 
    570             /* Just copy the escaped character. TBD: sufficient for table compiler? */
    571 
    572             Gbl_CurrentLineBuffer[i] = (char) c;
    573             i++;
    574             State = DT_START_QUOTED_STRING;
    575             break;
    576 
    577         case DT_START_COMMENT:
    578 
    579             /* Open comment if this character is an asterisk or slash */
    580 
    581             switch (c)
    582             {
    583             case '*':
    584 
    585                 State = DT_SLASH_ASTERISK_COMMENT;
    586                 break;
    587 
    588             case '/':
    589 
    590                 State = DT_SLASH_SLASH_COMMENT;
    591                 break;
    592 
    593             default:    /* Not a comment */
    594 
    595                 i++;    /* Save the preceding slash */
    596                 if (i >= Gbl_LineBufferSize)
    597                 {
    598                     UtExpandLineBuffers ();
    599                 }
    600 
    601                 Gbl_CurrentLineBuffer[i] = (char) c;
    602                 i++;
    603                 State = DT_NORMAL_TEXT;
    604                 break;
    605             }
    606             break;
    607 
    608         case DT_SLASH_ASTERISK_COMMENT:
    609 
    610             /* Ignore chars until an asterisk-slash is found */
    611 
    612             switch (c)
    613             {
    614             case '\n':
    615 
    616                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    617                 Gbl_CurrentLineNumber++;
    618                 break;
    619 
    620             case '*':
    621 
    622                 State = DT_END_COMMENT;
    623                 break;
    624 
    625             default:
    626 
    627                 break;
    628             }
    629             break;
    630 
    631         case DT_SLASH_SLASH_COMMENT:
    632 
    633             /* Ignore chars until end-of-line */
    634 
    635             if (c == '\n')
    636             {
    637                 /* We will exit via the NORMAL_TEXT path */
    638 
    639                 ungetc (c, Handle);
    640                 State = DT_NORMAL_TEXT;
    641             }
    642             break;
    643 
    644         case DT_END_COMMENT:
    645 
    646             /* End comment if this char is a slash */
    647 
    648             switch (c)
    649             {
    650             case '/':
    651 
    652                 State = DT_NORMAL_TEXT;
    653                 break;
    654 
    655             case '\n':
    656 
    657                 CurrentLineOffset = Gbl_NextLineOffset;
    658                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    659                 Gbl_CurrentLineNumber++;
    660                 break;
    661 
    662             case '*':
    663 
    664                 /* Consume all adjacent asterisks */
    665                 break;
    666 
    667             default:
    668 
    669                 State = DT_SLASH_ASTERISK_COMMENT;
    670                 break;
    671             }
    672             break;
    673 
    674         case DT_MERGE_LINES:
    675 
    676             if (c != '\n')
    677             {
    678                 /*
    679                  * This is not a continuation backslash, it is a normal
    680                  * normal ASL backslash - for example: Scope(\_SB_)
    681                  */
    682                 i++; /* Keep the backslash that is already in the buffer */
    683 
    684                 ungetc (c, Handle);
    685                 State = DT_NORMAL_TEXT;
    686             }
    687             else
    688             {
    689                 /*
    690                  * This is a continuation line -- a backlash followed
    691                  * immediately by a newline. Insert a space between the
    692                  * lines (overwrite the backslash)
    693                  */
    694                 Gbl_CurrentLineBuffer[i] = ' ';
    695                 i++;
    696 
    697                 /* Ignore newline, this will merge the lines */
    698 
    699                 CurrentLineOffset = Gbl_NextLineOffset;
    700                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    701                 Gbl_CurrentLineNumber++;
    702                 State = DT_NORMAL_TEXT;
    703             }
    704             break;
    705 
    706         default:
    707 
    708             DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, "Unknown input state");
    709             return (ASL_EOF);
    710         }
    711     }
    712 }
    713 
    714 
    715 /******************************************************************************
    716  *
    717  * FUNCTION:    DtScanFile
    718  *
    719  * PARAMETERS:  Handle              - Open file handle for the source file
    720  *
    721  * RETURN:      Pointer to start of the constructed parse tree.
    722  *
    723  * DESCRIPTION: Scan source file, link all field names and values
    724  *              to the global parse tree: Gbl_FieldList
    725  *
    726  *****************************************************************************/
    727 
    728 DT_FIELD *
    729 DtScanFile (
    730     FILE                    *Handle)
    731 {
    732     ACPI_STATUS             Status;
    733     UINT32                  Offset;
    734 
    735 
    736     ACPI_FUNCTION_NAME (DtScanFile);
    737 
    738 
    739     /* Get the file size */
    740 
    741     Gbl_InputByteCount = CmGetFileSize (Handle);
    742     if (Gbl_InputByteCount == ACPI_UINT32_MAX)
    743     {
    744         AslAbort ();
    745     }
    746 
    747     Gbl_CurrentLineNumber = 0;
    748     Gbl_CurrentLineOffset = 0;
    749     Gbl_NextLineOffset = 0;
    750 
    751     /* Scan line-by-line */
    752 
    753     while ((Offset = DtGetNextLine (Handle, 0)) != ASL_EOF)
    754     {
    755         ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Line %2.2u/%4.4X - %s",
    756             Gbl_CurrentLineNumber, Offset, Gbl_CurrentLineBuffer));
    757 
    758         Status = DtParseLine (Gbl_CurrentLineBuffer, Gbl_CurrentLineNumber, Offset);
    759         if (Status == AE_NOT_FOUND)
    760         {
    761             break;
    762         }
    763     }
    764 
    765     /* Dump the parse tree if debug enabled */
    766 
    767     DtDumpFieldList (Gbl_FieldList);
    768     return (Gbl_FieldList);
    769 }
    770 
    771 
    772 /*
    773  * Output functions
    774  */
    775 
    776 /******************************************************************************
    777  *
    778  * FUNCTION:    DtWriteBinary
    779  *
    780  * PARAMETERS:  DT_WALK_CALLBACK
    781  *
    782  * RETURN:      Status
    783  *
    784  * DESCRIPTION: Write one subtable of a binary ACPI table
    785  *
    786  *****************************************************************************/
    787 
    788 static void
    789 DtWriteBinary (
    790     DT_SUBTABLE             *Subtable,
    791     void                    *Context,
    792     void                    *ReturnValue)
    793 {
    794 
    795     FlWriteFile (ASL_FILE_AML_OUTPUT, Subtable->Buffer, Subtable->Length);
    796 }
    797 
    798 
    799 /******************************************************************************
    800  *
    801  * FUNCTION:    DtOutputBinary
    802  *
    803  * PARAMETERS:
    804  *
    805  * RETURN:      Status
    806  *
    807  * DESCRIPTION: Write entire binary ACPI table (result of compilation)
    808  *
    809  *****************************************************************************/
    810 
    811 void
    812 DtOutputBinary (
    813     DT_SUBTABLE             *RootTable)
    814 {
    815 
    816     if (!RootTable)
    817     {
    818         return;
    819     }
    820 
    821     /* Walk the entire parse tree, emitting the binary data */
    822 
    823     DtWalkTableTree (RootTable, DtWriteBinary, NULL, NULL);
    824 
    825     Gbl_TableLength = CmGetFileSize (Gbl_Files[ASL_FILE_AML_OUTPUT].Handle);
    826     if (Gbl_TableLength == ACPI_UINT32_MAX)
    827     {
    828         AslAbort ();
    829     }
    830 }
    831 
    832 
    833 /*
    834  * Listing support
    835  */
    836 
    837 /******************************************************************************
    838  *
    839  * FUNCTION:    DtDumpBuffer
    840  *
    841  * PARAMETERS:  FileID              - Where to write buffer data
    842  *              Buffer              - Buffer to dump
    843  *              Offset              - Offset in current table
    844  *              Length              - Buffer Length
    845  *
    846  * RETURN:      None
    847  *
    848  * DESCRIPTION: Another copy of DumpBuffer routine (unfortunately).
    849  *
    850  * TBD: merge dump buffer routines
    851  *
    852  *****************************************************************************/
    853 
    854 static void
    855 DtDumpBuffer (
    856     UINT32                  FileId,
    857     UINT8                   *Buffer,
    858     UINT32                  Offset,
    859     UINT32                  Length)
    860 {
    861     UINT32                  i;
    862     UINT32                  j;
    863     UINT8                   BufChar;
    864 
    865 
    866     FlPrintFile (FileId, "Output: [%3.3Xh %4.4d %3d] ",
    867         Offset, Offset, Length);
    868 
    869     i = 0;
    870     while (i < Length)
    871     {
    872         if (i >= 16)
    873         {
    874             FlPrintFile (FileId, "%24s", "");
    875         }
    876 
    877         /* Print 16 hex chars */
    878 
    879         for (j = 0; j < 16;)
    880         {
    881             if (i + j >= Length)
    882             {
    883                 /* Dump fill spaces */
    884 
    885                 FlPrintFile (FileId, "   ");
    886                 j++;
    887                 continue;
    888             }
    889 
    890             FlPrintFile (FileId, "%02X ", Buffer[i+j]);
    891             j++;
    892         }
    893 
    894         FlPrintFile (FileId, " ");
    895         for (j = 0; j < 16; j++)
    896         {
    897             if (i + j >= Length)
    898             {
    899                 FlPrintFile (FileId, "\n\n");
    900                 return;
    901             }
    902 
    903             BufChar = Buffer[(ACPI_SIZE) i + j];
    904             if (isprint (BufChar))
    905             {
    906                 FlPrintFile (FileId, "%c", BufChar);
    907             }
    908             else
    909             {
    910                 FlPrintFile (FileId, ".");
    911             }
    912         }
    913 
    914         /* Done with that line. */
    915 
    916         FlPrintFile (FileId, "\n");
    917         i += 16;
    918     }
    919 
    920     FlPrintFile (FileId, "\n\n");
    921 }
    922 
    923 
    924 /******************************************************************************
    925  *
    926  * FUNCTION:    DtDumpFieldList
    927  *
    928  * PARAMETERS:  Field               - Root field
    929  *
    930  * RETURN:      None
    931  *
    932  * DESCRIPTION: Dump the entire field list
    933  *
    934  *****************************************************************************/
    935 
    936 void
    937 DtDumpFieldList (
    938     DT_FIELD                *Field)
    939 {
    940 
    941     if (!Gbl_DebugFlag || !Field)
    942     {
    943         return;
    944     }
    945 
    946     DbgPrint (ASL_DEBUG_OUTPUT,  "\nField List:\n"
    947         "LineNo   ByteOff  NameCol  Column   TableOff "
    948         "Flags %32s : %s\n\n", "Name", "Value");
    949     while (Field)
    950     {
    951         DbgPrint (ASL_DEBUG_OUTPUT,
    952             "%.08X %.08X %.08X %.08X %.08X %2.2X    %32s : %s\n",
    953             Field->Line, Field->ByteOffset, Field->NameColumn,
    954             Field->Column, Field->TableOffset, Field->Flags,
    955             Field->Name, Field->Value);
    956 
    957         Field = Field->Next;
    958     }
    959 
    960     DbgPrint (ASL_DEBUG_OUTPUT,  "\n\n");
    961 }
    962 
    963 
    964 /******************************************************************************
    965  *
    966  * FUNCTION:    DtDumpSubtableInfo, DtDumpSubtableTree
    967  *
    968  * PARAMETERS:  DT_WALK_CALLBACK
    969  *
    970  * RETURN:      None
    971  *
    972  * DESCRIPTION: Info - dump a subtable tree entry with extra information.
    973  *              Tree - dump a subtable tree formatted by depth indentation.
    974  *
    975  *****************************************************************************/
    976 
    977 static void
    978 DtDumpSubtableInfo (
    979     DT_SUBTABLE             *Subtable,
    980     void                    *Context,
    981     void                    *ReturnValue)
    982 {
    983 
    984     DbgPrint (ASL_DEBUG_OUTPUT,
    985         "[%.04X] %24s %.08X %.08X %.08X %.08X %.08X %p %p %p\n",
    986         Subtable->Depth, Subtable->Name, Subtable->Length, Subtable->TotalLength,
    987         Subtable->SizeOfLengthField, Subtable->Flags, Subtable,
    988         Subtable->Parent, Subtable->Child, Subtable->Peer);
    989 }
    990 
    991 static void
    992 DtDumpSubtableTree (
    993     DT_SUBTABLE             *Subtable,
    994     void                    *Context,
    995     void                    *ReturnValue)
    996 {
    997 
    998     DbgPrint (ASL_DEBUG_OUTPUT,
    999         "[%.04X] %24s %*s%08X (%.02X) - (%.02X)\n",
   1000         Subtable->Depth, Subtable->Name, (4 * Subtable->Depth), " ",
   1001         Subtable, Subtable->Length, Subtable->TotalLength);
   1002 }
   1003 
   1004 
   1005 /******************************************************************************
   1006  *
   1007  * FUNCTION:    DtDumpSubtableList
   1008  *
   1009  * PARAMETERS:  None
   1010  *
   1011  * RETURN:      None
   1012  *
   1013  * DESCRIPTION: Dump the raw list of subtables with information, and also
   1014  *              dump the subtable list in formatted tree format. Assists with
   1015  *              the development of new table code.
   1016  *
   1017  *****************************************************************************/
   1018 
   1019 void
   1020 DtDumpSubtableList (
   1021     void)
   1022 {
   1023 
   1024     if (!Gbl_DebugFlag || !Gbl_RootTable)
   1025     {
   1026         return;
   1027     }
   1028 
   1029     DbgPrint (ASL_DEBUG_OUTPUT,
   1030         "Subtable Info:\n"
   1031         "Depth                      Name Length   TotalLen LenSize  Flags    "
   1032         "This     Parent   Child    Peer\n\n");
   1033     DtWalkTableTree (Gbl_RootTable, DtDumpSubtableInfo, NULL, NULL);
   1034 
   1035     DbgPrint (ASL_DEBUG_OUTPUT,
   1036         "\nSubtable Tree: (Depth, Name, Subtable, Length, TotalLength)\n\n");
   1037     DtWalkTableTree (Gbl_RootTable, DtDumpSubtableTree, NULL, NULL);
   1038 
   1039     DbgPrint (ASL_DEBUG_OUTPUT, "\n");
   1040 }
   1041 
   1042 
   1043 /******************************************************************************
   1044  *
   1045  * FUNCTION:    DtWriteFieldToListing
   1046  *
   1047  * PARAMETERS:  Buffer              - Contains the compiled data
   1048  *              Field               - Field node for the input line
   1049  *              Length              - Length of the output data
   1050  *
   1051  * RETURN:      None
   1052  *
   1053  * DESCRIPTION: Write one field to the listing file (if listing is enabled).
   1054  *
   1055  *****************************************************************************/
   1056 
   1057 void
   1058 DtWriteFieldToListing (
   1059     UINT8                   *Buffer,
   1060     DT_FIELD                *Field,
   1061     UINT32                  Length)
   1062 {
   1063     UINT8                   FileByte;
   1064 
   1065 
   1066     if (!Gbl_ListingFlag || !Field)
   1067     {
   1068         return;
   1069     }
   1070 
   1071     /* Dump the original source line */
   1072 
   1073     FlPrintFile (ASL_FILE_LISTING_OUTPUT, "Input:  ");
   1074     FlSeekFile (ASL_FILE_INPUT, Field->ByteOffset);
   1075 
   1076     while (FlReadFile (ASL_FILE_INPUT, &FileByte, 1) == AE_OK)
   1077     {
   1078         FlWriteFile (ASL_FILE_LISTING_OUTPUT, &FileByte, 1);
   1079         if (FileByte == '\n')
   1080         {
   1081             break;
   1082         }
   1083     }
   1084 
   1085     /* Dump the line as parsed and represented internally */
   1086 
   1087     FlPrintFile (ASL_FILE_LISTING_OUTPUT, "Parsed: %*s : %.64s",
   1088         Field->Column-4, Field->Name, Field->Value);
   1089 
   1090     if (strlen (Field->Value) > 64)
   1091     {
   1092         FlPrintFile (ASL_FILE_LISTING_OUTPUT, "...Additional data, length 0x%X\n",
   1093             strlen (Field->Value));
   1094     }
   1095     FlPrintFile (ASL_FILE_LISTING_OUTPUT, "\n");
   1096 
   1097     /* Dump the hex data that will be output for this field */
   1098 
   1099     DtDumpBuffer (ASL_FILE_LISTING_OUTPUT, Buffer, Field->TableOffset, Length);
   1100 }
   1101 
   1102 
   1103 /******************************************************************************
   1104  *
   1105  * FUNCTION:    DtWriteTableToListing
   1106  *
   1107  * PARAMETERS:  None
   1108  *
   1109  * RETURN:      None
   1110  *
   1111  * DESCRIPTION: Write the entire compiled table to the listing file
   1112  *              in hex format
   1113  *
   1114  *****************************************************************************/
   1115 
   1116 void
   1117 DtWriteTableToListing (
   1118     void)
   1119 {
   1120     UINT8                   *Buffer;
   1121 
   1122 
   1123     if (!Gbl_ListingFlag)
   1124     {
   1125         return;
   1126     }
   1127 
   1128     /* Read the entire table from the output file */
   1129 
   1130     Buffer = UtLocalCalloc (Gbl_TableLength);
   1131     FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
   1132     FlReadFile (ASL_FILE_AML_OUTPUT, Buffer, Gbl_TableLength);
   1133 
   1134     /* Dump the raw table data */
   1135 
   1136     AcpiOsRedirectOutput (Gbl_Files[ASL_FILE_LISTING_OUTPUT].Handle);
   1137 
   1138     AcpiOsPrintf ("\n%s: Length %d (0x%X)\n\n",
   1139         ACPI_RAW_TABLE_DATA_HEADER, Gbl_TableLength, Gbl_TableLength);
   1140     AcpiUtDumpBuffer (Buffer, Gbl_TableLength, DB_BYTE_DISPLAY, 0);
   1141 
   1142     AcpiOsRedirectOutput (stdout);
   1143     ACPI_FREE (Buffer);
   1144 }
   1145