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dtio.c revision 1.1.1.6
      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 (!ACPI_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 + ACPI_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 (ACPI_STRLEN (Start))
    184     {
    185         ACPI_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     ACPI_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     ACPI_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 {
    411     BOOLEAN                 LineNotAllBlanks = FALSE;
    412     UINT32                  State = DT_NORMAL_TEXT;
    413     UINT32                  CurrentLineOffset;
    414     UINT32                  i;
    415     int                     c;
    416 
    417 
    418     ACPI_MEMSET (Gbl_CurrentLineBuffer, 0, Gbl_LineBufferSize);
    419     for (i = 0; ;)
    420     {
    421         /*
    422          * If line is too long, expand the line buffers. Also increases
    423          * Gbl_LineBufferSize.
    424          */
    425         if (i >= Gbl_LineBufferSize)
    426         {
    427             UtExpandLineBuffers ();
    428         }
    429 
    430         c = getc (Handle);
    431         if (c == EOF)
    432         {
    433             switch (State)
    434             {
    435             case DT_START_QUOTED_STRING:
    436             case DT_SLASH_ASTERISK_COMMENT:
    437 
    438                 AcpiOsPrintf ("**** EOF within comment/string %u\n", State);
    439                 break;
    440 
    441             default:
    442 
    443                 break;
    444             }
    445 
    446             /* Standalone EOF is OK */
    447 
    448             if (i == 0)
    449             {
    450                 return (ASL_EOF);
    451             }
    452 
    453             /*
    454              * Received an EOF in the middle of a line. Terminate the
    455              * line with a newline. The next call to this function will
    456              * return a standalone EOF. Thus, the upper parsing software
    457              * never has to deal with an EOF within a valid line (or
    458              * the last line does not get tossed on the floor.)
    459              */
    460             c = '\n';
    461             State = DT_NORMAL_TEXT;
    462         }
    463 
    464         switch (State)
    465         {
    466         case DT_NORMAL_TEXT:
    467 
    468             /* Normal text, insert char into line buffer */
    469 
    470             Gbl_CurrentLineBuffer[i] = (char) c;
    471             switch (c)
    472             {
    473             case '/':
    474 
    475                 State = DT_START_COMMENT;
    476                 break;
    477 
    478             case '"':
    479 
    480                 State = DT_START_QUOTED_STRING;
    481                 LineNotAllBlanks = TRUE;
    482                 i++;
    483                 break;
    484 
    485             case '\\':
    486                 /*
    487                  * The continuation char MUST be last char on this line.
    488                  * Otherwise, it will be assumed to be a valid ASL char.
    489                  */
    490                 State = DT_MERGE_LINES;
    491                 break;
    492 
    493             case '\n':
    494 
    495                 CurrentLineOffset = Gbl_NextLineOffset;
    496                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    497                 Gbl_CurrentLineNumber++;
    498 
    499                 /*
    500                  * Exit if line is complete. Ignore empty lines (only \n)
    501                  * or lines that contain nothing but blanks.
    502                  */
    503                 if ((i != 0) && LineNotAllBlanks)
    504                 {
    505                     if ((i + 1) >= Gbl_LineBufferSize)
    506                     {
    507                         UtExpandLineBuffers ();
    508                     }
    509 
    510                     Gbl_CurrentLineBuffer[i+1] = 0; /* Terminate string */
    511                     return (CurrentLineOffset);
    512                 }
    513 
    514                 /* Toss this line and start a new one */
    515 
    516                 i = 0;
    517                 LineNotAllBlanks = FALSE;
    518                 break;
    519 
    520             default:
    521 
    522                 if (c != ' ')
    523                 {
    524                     LineNotAllBlanks = TRUE;
    525                 }
    526 
    527                 i++;
    528                 break;
    529             }
    530             break;
    531 
    532         case DT_START_QUOTED_STRING:
    533 
    534             /* Insert raw chars until end of quoted string */
    535 
    536             Gbl_CurrentLineBuffer[i] = (char) c;
    537             i++;
    538 
    539             switch (c)
    540             {
    541             case '"':
    542 
    543                 State = DT_NORMAL_TEXT;
    544                 break;
    545 
    546             case '\\':
    547 
    548                 State = DT_ESCAPE_SEQUENCE;
    549                 break;
    550 
    551             case '\n':
    552 
    553                 AcpiOsPrintf ("ERROR at line %u: Unterminated quoted string\n",
    554                     Gbl_CurrentLineNumber++);
    555                 State = DT_NORMAL_TEXT;
    556                 break;
    557 
    558             default:    /* Get next character */
    559 
    560                 break;
    561             }
    562             break;
    563 
    564         case DT_ESCAPE_SEQUENCE:
    565 
    566             /* Just copy the escaped character. TBD: sufficient for table compiler? */
    567 
    568             Gbl_CurrentLineBuffer[i] = (char) c;
    569             i++;
    570             State = DT_START_QUOTED_STRING;
    571             break;
    572 
    573         case DT_START_COMMENT:
    574 
    575             /* Open comment if this character is an asterisk or slash */
    576 
    577             switch (c)
    578             {
    579             case '*':
    580 
    581                 State = DT_SLASH_ASTERISK_COMMENT;
    582                 break;
    583 
    584             case '/':
    585 
    586                 State = DT_SLASH_SLASH_COMMENT;
    587                 break;
    588 
    589             default:    /* Not a comment */
    590 
    591                 i++;    /* Save the preceding slash */
    592                 if (i >= Gbl_LineBufferSize)
    593                 {
    594                     UtExpandLineBuffers ();
    595                 }
    596 
    597                 Gbl_CurrentLineBuffer[i] = (char) c;
    598                 i++;
    599                 State = DT_NORMAL_TEXT;
    600                 break;
    601             }
    602             break;
    603 
    604         case DT_SLASH_ASTERISK_COMMENT:
    605 
    606             /* Ignore chars until an asterisk-slash is found */
    607 
    608             switch (c)
    609             {
    610             case '\n':
    611 
    612                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    613                 Gbl_CurrentLineNumber++;
    614                 break;
    615 
    616             case '*':
    617 
    618                 State = DT_END_COMMENT;
    619                 break;
    620 
    621             default:
    622 
    623                 break;
    624             }
    625             break;
    626 
    627         case DT_SLASH_SLASH_COMMENT:
    628 
    629             /* Ignore chars until end-of-line */
    630 
    631             if (c == '\n')
    632             {
    633                 /* We will exit via the NORMAL_TEXT path */
    634 
    635                 ungetc (c, Handle);
    636                 State = DT_NORMAL_TEXT;
    637             }
    638             break;
    639 
    640         case DT_END_COMMENT:
    641 
    642             /* End comment if this char is a slash */
    643 
    644             switch (c)
    645             {
    646             case '/':
    647 
    648                 State = DT_NORMAL_TEXT;
    649                 break;
    650 
    651             case '\n':
    652 
    653                 CurrentLineOffset = Gbl_NextLineOffset;
    654                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    655                 Gbl_CurrentLineNumber++;
    656                 break;
    657 
    658             case '*':
    659 
    660                 /* Consume all adjacent asterisks */
    661                 break;
    662 
    663             default:
    664 
    665                 State = DT_SLASH_ASTERISK_COMMENT;
    666                 break;
    667             }
    668             break;
    669 
    670         case DT_MERGE_LINES:
    671 
    672             if (c != '\n')
    673             {
    674                 /*
    675                  * This is not a continuation backslash, it is a normal
    676                  * normal ASL backslash - for example: Scope(\_SB_)
    677                  */
    678                 i++; /* Keep the backslash that is already in the buffer */
    679 
    680                 ungetc (c, Handle);
    681                 State = DT_NORMAL_TEXT;
    682             }
    683             else
    684             {
    685                 /*
    686                  * This is a continuation line -- a backlash followed
    687                  * immediately by a newline. Insert a space between the
    688                  * lines (overwrite the backslash)
    689                  */
    690                 Gbl_CurrentLineBuffer[i] = ' ';
    691                 i++;
    692 
    693                 /* Ignore newline, this will merge the lines */
    694 
    695                 CurrentLineOffset = Gbl_NextLineOffset;
    696                 Gbl_NextLineOffset = (UINT32) ftell (Handle);
    697                 Gbl_CurrentLineNumber++;
    698                 State = DT_NORMAL_TEXT;
    699             }
    700             break;
    701 
    702         default:
    703 
    704             DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, "Unknown input state");
    705             return (ASL_EOF);
    706         }
    707     }
    708 }
    709 
    710 
    711 /******************************************************************************
    712  *
    713  * FUNCTION:    DtScanFile
    714  *
    715  * PARAMETERS:  Handle              - Open file handle for the source file
    716  *
    717  * RETURN:      Pointer to start of the constructed parse tree.
    718  *
    719  * DESCRIPTION: Scan source file, link all field names and values
    720  *              to the global parse tree: Gbl_FieldList
    721  *
    722  *****************************************************************************/
    723 
    724 DT_FIELD *
    725 DtScanFile (
    726     FILE                    *Handle)
    727 {
    728     ACPI_STATUS             Status;
    729     UINT32                  Offset;
    730 
    731 
    732     ACPI_FUNCTION_NAME (DtScanFile);
    733 
    734 
    735     /* Get the file size */
    736 
    737     Gbl_InputByteCount = CmGetFileSize (Handle);
    738     if (Gbl_InputByteCount == ACPI_UINT32_MAX)
    739     {
    740         AslAbort ();
    741     }
    742 
    743     Gbl_CurrentLineNumber = 0;
    744     Gbl_CurrentLineOffset = 0;
    745     Gbl_NextLineOffset = 0;
    746 
    747     /* Scan line-by-line */
    748 
    749     while ((Offset = DtGetNextLine (Handle)) != ASL_EOF)
    750     {
    751         ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Line %2.2u/%4.4X - %s",
    752             Gbl_CurrentLineNumber, Offset, Gbl_CurrentLineBuffer));
    753 
    754         Status = DtParseLine (Gbl_CurrentLineBuffer, Gbl_CurrentLineNumber, Offset);
    755         if (Status == AE_NOT_FOUND)
    756         {
    757             break;
    758         }
    759     }
    760 
    761     /* Dump the parse tree if debug enabled */
    762 
    763     DtDumpFieldList (Gbl_FieldList);
    764     return (Gbl_FieldList);
    765 }
    766 
    767 
    768 /*
    769  * Output functions
    770  */
    771 
    772 /******************************************************************************
    773  *
    774  * FUNCTION:    DtWriteBinary
    775  *
    776  * PARAMETERS:  DT_WALK_CALLBACK
    777  *
    778  * RETURN:      Status
    779  *
    780  * DESCRIPTION: Write one subtable of a binary ACPI table
    781  *
    782  *****************************************************************************/
    783 
    784 static void
    785 DtWriteBinary (
    786     DT_SUBTABLE             *Subtable,
    787     void                    *Context,
    788     void                    *ReturnValue)
    789 {
    790 
    791     FlWriteFile (ASL_FILE_AML_OUTPUT, Subtable->Buffer, Subtable->Length);
    792 }
    793 
    794 
    795 /******************************************************************************
    796  *
    797  * FUNCTION:    DtOutputBinary
    798  *
    799  * PARAMETERS:
    800  *
    801  * RETURN:      Status
    802  *
    803  * DESCRIPTION: Write entire binary ACPI table (result of compilation)
    804  *
    805  *****************************************************************************/
    806 
    807 void
    808 DtOutputBinary (
    809     DT_SUBTABLE             *RootTable)
    810 {
    811 
    812     if (!RootTable)
    813     {
    814         return;
    815     }
    816 
    817     /* Walk the entire parse tree, emitting the binary data */
    818 
    819     DtWalkTableTree (RootTable, DtWriteBinary, NULL, NULL);
    820 
    821     Gbl_TableLength = CmGetFileSize (Gbl_Files[ASL_FILE_AML_OUTPUT].Handle);
    822     if (Gbl_TableLength == ACPI_UINT32_MAX)
    823     {
    824         AslAbort ();
    825     }
    826 }
    827 
    828 
    829 /*
    830  * Listing support
    831  */
    832 
    833 /******************************************************************************
    834  *
    835  * FUNCTION:    DtDumpBuffer
    836  *
    837  * PARAMETERS:  FileID              - Where to write buffer data
    838  *              Buffer              - Buffer to dump
    839  *              Offset              - Offset in current table
    840  *              Length              - Buffer Length
    841  *
    842  * RETURN:      None
    843  *
    844  * DESCRIPTION: Another copy of DumpBuffer routine (unfortunately).
    845  *
    846  * TBD: merge dump buffer routines
    847  *
    848  *****************************************************************************/
    849 
    850 static void
    851 DtDumpBuffer (
    852     UINT32                  FileId,
    853     UINT8                   *Buffer,
    854     UINT32                  Offset,
    855     UINT32                  Length)
    856 {
    857     UINT32                  i;
    858     UINT32                  j;
    859     UINT8                   BufChar;
    860 
    861 
    862     FlPrintFile (FileId, "Output: [%3.3Xh %4.4d %3d] ",
    863         Offset, Offset, Length);
    864 
    865     i = 0;
    866     while (i < Length)
    867     {
    868         if (i >= 16)
    869         {
    870             FlPrintFile (FileId, "%24s", "");
    871         }
    872 
    873         /* Print 16 hex chars */
    874 
    875         for (j = 0; j < 16;)
    876         {
    877             if (i + j >= Length)
    878             {
    879                 /* Dump fill spaces */
    880 
    881                 FlPrintFile (FileId, "   ");
    882                 j++;
    883                 continue;
    884             }
    885 
    886             FlPrintFile (FileId, "%02X ", Buffer[i+j]);
    887             j++;
    888         }
    889 
    890         FlPrintFile (FileId, " ");
    891         for (j = 0; j < 16; j++)
    892         {
    893             if (i + j >= Length)
    894             {
    895                 FlPrintFile (FileId, "\n\n");
    896                 return;
    897             }
    898 
    899             BufChar = Buffer[(ACPI_SIZE) i + j];
    900             if (ACPI_IS_PRINT (BufChar))
    901             {
    902                 FlPrintFile (FileId, "%c", BufChar);
    903             }
    904             else
    905             {
    906                 FlPrintFile (FileId, ".");
    907             }
    908         }
    909 
    910         /* Done with that line. */
    911 
    912         FlPrintFile (FileId, "\n");
    913         i += 16;
    914     }
    915 
    916     FlPrintFile (FileId, "\n\n");
    917 }
    918 
    919 
    920 /******************************************************************************
    921  *
    922  * FUNCTION:    DtDumpFieldList
    923  *
    924  * PARAMETERS:  Field               - Root field
    925  *
    926  * RETURN:      None
    927  *
    928  * DESCRIPTION: Dump the entire field list
    929  *
    930  *****************************************************************************/
    931 
    932 void
    933 DtDumpFieldList (
    934     DT_FIELD                *Field)
    935 {
    936 
    937     if (!Gbl_DebugFlag || !Field)
    938     {
    939         return;
    940     }
    941 
    942     DbgPrint (ASL_DEBUG_OUTPUT,  "\nField List:\n"
    943         "LineNo   ByteOff  NameCol  Column   TableOff "
    944         "Flags %32s : %s\n\n", "Name", "Value");
    945     while (Field)
    946     {
    947         DbgPrint (ASL_DEBUG_OUTPUT,
    948             "%.08X %.08X %.08X %.08X %.08X %2.2X    %32s : %s\n",
    949             Field->Line, Field->ByteOffset, Field->NameColumn,
    950             Field->Column, Field->TableOffset, Field->Flags,
    951             Field->Name, Field->Value);
    952 
    953         Field = Field->Next;
    954     }
    955 
    956     DbgPrint (ASL_DEBUG_OUTPUT,  "\n\n");
    957 }
    958 
    959 
    960 /******************************************************************************
    961  *
    962  * FUNCTION:    DtDumpSubtableInfo, DtDumpSubtableTree
    963  *
    964  * PARAMETERS:  DT_WALK_CALLBACK
    965  *
    966  * RETURN:      None
    967  *
    968  * DESCRIPTION: Info - dump a subtable tree entry with extra information.
    969  *              Tree - dump a subtable tree formatted by depth indentation.
    970  *
    971  *****************************************************************************/
    972 
    973 static void
    974 DtDumpSubtableInfo (
    975     DT_SUBTABLE             *Subtable,
    976     void                    *Context,
    977     void                    *ReturnValue)
    978 {
    979 
    980     DbgPrint (ASL_DEBUG_OUTPUT,
    981         "[%.04X] %.08X %.08X %.08X %.08X %.08X %p %p %p\n",
    982         Subtable->Depth, Subtable->Length, Subtable->TotalLength,
    983         Subtable->SizeOfLengthField, Subtable->Flags, Subtable,
    984         Subtable->Parent, Subtable->Child, Subtable->Peer);
    985 }
    986 
    987 static void
    988 DtDumpSubtableTree (
    989     DT_SUBTABLE             *Subtable,
    990     void                    *Context,
    991     void                    *ReturnValue)
    992 {
    993 
    994     DbgPrint (ASL_DEBUG_OUTPUT,
    995         "[%.04X] %*s%08X (%.02X) - (%.02X)\n",
    996         Subtable->Depth, (4 * Subtable->Depth), " ",
    997         Subtable, Subtable->Length, Subtable->TotalLength);
    998 }
    999 
   1000 
   1001 /******************************************************************************
   1002  *
   1003  * FUNCTION:    DtDumpSubtableList
   1004  *
   1005  * PARAMETERS:  None
   1006  *
   1007  * RETURN:      None
   1008  *
   1009  * DESCRIPTION: Dump the raw list of subtables with information, and also
   1010  *              dump the subtable list in formatted tree format. Assists with
   1011  *              the development of new table code.
   1012  *
   1013  *****************************************************************************/
   1014 
   1015 void
   1016 DtDumpSubtableList (
   1017     void)
   1018 {
   1019 
   1020     if (!Gbl_DebugFlag || !Gbl_RootTable)
   1021     {
   1022         return;
   1023     }
   1024 
   1025     DbgPrint (ASL_DEBUG_OUTPUT,
   1026         "Subtable Info:\n"
   1027         "Depth  Length   TotalLen LenSize  Flags    "
   1028         "This     Parent   Child    Peer\n\n");
   1029     DtWalkTableTree (Gbl_RootTable, DtDumpSubtableInfo, NULL, NULL);
   1030 
   1031     DbgPrint (ASL_DEBUG_OUTPUT,
   1032         "\nSubtable Tree: (Depth, Subtable, Length, TotalLength)\n\n");
   1033     DtWalkTableTree (Gbl_RootTable, DtDumpSubtableTree, NULL, NULL);
   1034 
   1035     DbgPrint (ASL_DEBUG_OUTPUT, "\n");
   1036 }
   1037 
   1038 
   1039 /******************************************************************************
   1040  *
   1041  * FUNCTION:    DtWriteFieldToListing
   1042  *
   1043  * PARAMETERS:  Buffer              - Contains the compiled data
   1044  *              Field               - Field node for the input line
   1045  *              Length              - Length of the output data
   1046  *
   1047  * RETURN:      None
   1048  *
   1049  * DESCRIPTION: Write one field to the listing file (if listing is enabled).
   1050  *
   1051  *****************************************************************************/
   1052 
   1053 void
   1054 DtWriteFieldToListing (
   1055     UINT8                   *Buffer,
   1056     DT_FIELD                *Field,
   1057     UINT32                  Length)
   1058 {
   1059     UINT8                   FileByte;
   1060 
   1061 
   1062     if (!Gbl_ListingFlag || !Field)
   1063     {
   1064         return;
   1065     }
   1066 
   1067     /* Dump the original source line */
   1068 
   1069     FlPrintFile (ASL_FILE_LISTING_OUTPUT, "Input:  ");
   1070     FlSeekFile (ASL_FILE_INPUT, Field->ByteOffset);
   1071 
   1072     while (FlReadFile (ASL_FILE_INPUT, &FileByte, 1) == AE_OK)
   1073     {
   1074         FlWriteFile (ASL_FILE_LISTING_OUTPUT, &FileByte, 1);
   1075         if (FileByte == '\n')
   1076         {
   1077             break;
   1078         }
   1079     }
   1080 
   1081     /* Dump the line as parsed and represented internally */
   1082 
   1083     FlPrintFile (ASL_FILE_LISTING_OUTPUT, "Parsed: %*s : %.64s",
   1084         Field->Column-4, Field->Name, Field->Value);
   1085 
   1086     if (strlen (Field->Value) > 64)
   1087     {
   1088         FlPrintFile (ASL_FILE_LISTING_OUTPUT, "...Additional data, length 0x%X\n",
   1089             strlen (Field->Value));
   1090     }
   1091     FlPrintFile (ASL_FILE_LISTING_OUTPUT, "\n");
   1092 
   1093     /* Dump the hex data that will be output for this field */
   1094 
   1095     DtDumpBuffer (ASL_FILE_LISTING_OUTPUT, Buffer, Field->TableOffset, Length);
   1096 }
   1097 
   1098 
   1099 /******************************************************************************
   1100  *
   1101  * FUNCTION:    DtWriteTableToListing
   1102  *
   1103  * PARAMETERS:  None
   1104  *
   1105  * RETURN:      None
   1106  *
   1107  * DESCRIPTION: Write the entire compiled table to the listing file
   1108  *              in hex format
   1109  *
   1110  *****************************************************************************/
   1111 
   1112 void
   1113 DtWriteTableToListing (
   1114     void)
   1115 {
   1116     UINT8                   *Buffer;
   1117 
   1118 
   1119     if (!Gbl_ListingFlag)
   1120     {
   1121         return;
   1122     }
   1123 
   1124     /* Read the entire table from the output file */
   1125 
   1126     Buffer = UtLocalCalloc (Gbl_TableLength);
   1127     FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
   1128     FlReadFile (ASL_FILE_AML_OUTPUT, Buffer, Gbl_TableLength);
   1129 
   1130     /* Dump the raw table data */
   1131 
   1132     AcpiOsRedirectOutput (Gbl_Files[ASL_FILE_LISTING_OUTPUT].Handle);
   1133 
   1134     AcpiOsPrintf ("\n%s: Length %d (0x%X)\n\n",
   1135         ACPI_RAW_TABLE_DATA_HEADER, Gbl_TableLength, Gbl_TableLength);
   1136     AcpiUtDumpBuffer (Buffer, Gbl_TableLength, DB_BYTE_DISPLAY, 0);
   1137 
   1138     AcpiOsRedirectOutput (stdout);
   1139     ACPI_FREE (Buffer);
   1140 }
   1141