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dmtbdump3.c revision 1.1.1.7
      1 /******************************************************************************
      2  *
      3  * Module Name: dmtbdump3 - Dump ACPI data tables that contain no AML code
      4  *
      5  *****************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2021, 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 MERCHANTABILITY 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 "acpi.h"
     45 #include "accommon.h"
     46 #include "acdisasm.h"
     47 #include "actables.h"
     48 
     49 /* This module used for application-level code only */
     50 
     51 #define _COMPONENT          ACPI_CA_DISASSEMBLER
     52         ACPI_MODULE_NAME    ("dmtbdump3")
     53 
     54 
     55 /*******************************************************************************
     56  *
     57  * FUNCTION:    AcpiDmDumpSlic
     58  *
     59  * PARAMETERS:  Table               - A SLIC table
     60  *
     61  * RETURN:      None
     62  *
     63  * DESCRIPTION: Format the contents of a SLIC
     64  *
     65  ******************************************************************************/
     66 
     67 void
     68 AcpiDmDumpSlic (
     69     ACPI_TABLE_HEADER       *Table)
     70 {
     71 
     72     (void) AcpiDmDumpTable (Table->Length, sizeof (ACPI_TABLE_HEADER), Table,
     73         Table->Length - sizeof (*Table), AcpiDmTableInfoSlic);
     74 }
     75 
     76 
     77 /*******************************************************************************
     78  *
     79  * FUNCTION:    AcpiDmDumpSlit
     80  *
     81  * PARAMETERS:  Table               - An SLIT
     82  *
     83  * RETURN:      None
     84  *
     85  * DESCRIPTION: Format the contents of a SLIT
     86  *
     87  ******************************************************************************/
     88 
     89 void
     90 AcpiDmDumpSlit (
     91     ACPI_TABLE_HEADER       *Table)
     92 {
     93     ACPI_STATUS             Status;
     94     UINT32                  Offset;
     95     UINT8                   *Row;
     96     UINT32                  Localities;
     97     UINT32                  i;
     98     UINT32                  j;
     99 
    100 
    101     /* Main table */
    102 
    103     Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoSlit);
    104     if (ACPI_FAILURE (Status))
    105     {
    106         return;
    107     }
    108 
    109     /* Display the Locality NxN Matrix */
    110 
    111     Localities = (UINT32) ACPI_CAST_PTR (ACPI_TABLE_SLIT, Table)->LocalityCount;
    112     Offset = ACPI_OFFSET (ACPI_TABLE_SLIT, Entry[0]);
    113     Row = (UINT8 *) ACPI_CAST_PTR (ACPI_TABLE_SLIT, Table)->Entry;
    114 
    115     for (i = 0; i < Localities; i++)
    116     {
    117         /* Display one row of the matrix */
    118 
    119         AcpiDmLineHeader2 (Offset, Localities, "Locality", i);
    120         for  (j = 0; j < Localities; j++)
    121         {
    122             /* Check for beyond EOT */
    123 
    124             if (Offset >= Table->Length)
    125             {
    126                 AcpiOsPrintf (
    127                     "\n**** Not enough room in table for all localities\n");
    128                 return;
    129             }
    130 
    131             AcpiOsPrintf ("%2.2X", Row[j]);
    132             Offset++;
    133 
    134             /* Display up to 16 bytes per output row */
    135 
    136             if ((j+1) < Localities)
    137             {
    138                 AcpiOsPrintf (" ");
    139 
    140                 if (j && (((j+1) % 16) == 0))
    141                 {
    142                     AcpiOsPrintf ("\\\n"); /* With line continuation char */
    143                     AcpiDmLineHeader (Offset, 0, NULL);
    144                 }
    145             }
    146         }
    147 
    148         /* Point to next row */
    149 
    150         AcpiOsPrintf ("\n");
    151         Row += Localities;
    152     }
    153 }
    154 
    155 
    156 /*******************************************************************************
    157  *
    158  * FUNCTION:    AcpiDmDumpSrat
    159  *
    160  * PARAMETERS:  Table               - A SRAT table
    161  *
    162  * RETURN:      None
    163  *
    164  * DESCRIPTION: Format the contents of a SRAT
    165  *
    166  ******************************************************************************/
    167 
    168 void
    169 AcpiDmDumpSrat (
    170     ACPI_TABLE_HEADER       *Table)
    171 {
    172     ACPI_STATUS             Status;
    173     UINT32                  Offset = sizeof (ACPI_TABLE_SRAT);
    174     ACPI_SUBTABLE_HEADER    *Subtable;
    175     ACPI_DMTABLE_INFO       *InfoTable;
    176 
    177 
    178     /* Main table */
    179 
    180     Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoSrat);
    181     if (ACPI_FAILURE (Status))
    182     {
    183         return;
    184     }
    185 
    186     /* Subtables */
    187 
    188     Subtable = ACPI_ADD_PTR (ACPI_SUBTABLE_HEADER, Table, Offset);
    189     while (Offset < Table->Length)
    190     {
    191         /* Common subtable header */
    192 
    193         AcpiOsPrintf ("\n");
    194         Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
    195             Subtable->Length, AcpiDmTableInfoSratHdr);
    196         if (ACPI_FAILURE (Status))
    197         {
    198             return;
    199         }
    200 
    201         switch (Subtable->Type)
    202         {
    203         case ACPI_SRAT_TYPE_CPU_AFFINITY:
    204 
    205             InfoTable = AcpiDmTableInfoSrat0;
    206             break;
    207 
    208         case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
    209 
    210             InfoTable = AcpiDmTableInfoSrat1;
    211             break;
    212 
    213         case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
    214 
    215             InfoTable = AcpiDmTableInfoSrat2;
    216             break;
    217 
    218         case ACPI_SRAT_TYPE_GICC_AFFINITY:
    219 
    220             InfoTable = AcpiDmTableInfoSrat3;
    221             break;
    222 
    223         case ACPI_SRAT_TYPE_GIC_ITS_AFFINITY:
    224 
    225             InfoTable = AcpiDmTableInfoSrat4;
    226             break;
    227 
    228         case ACPI_SRAT_TYPE_GENERIC_AFFINITY:
    229 
    230             InfoTable = AcpiDmTableInfoSrat5;
    231             break;
    232 
    233         default:
    234             AcpiOsPrintf ("\n**** Unknown SRAT subtable type 0x%X\n",
    235                 Subtable->Type);
    236 
    237             /* Attempt to continue */
    238 
    239             if (!Subtable->Length)
    240             {
    241                 AcpiOsPrintf ("Invalid zero length subtable\n");
    242                 return;
    243             }
    244             goto NextSubtable;
    245         }
    246 
    247         AcpiOsPrintf ("\n");
    248         Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
    249             Subtable->Length, InfoTable);
    250         if (ACPI_FAILURE (Status))
    251         {
    252             return;
    253         }
    254 
    255 NextSubtable:
    256         /* Point to next subtable */
    257 
    258         Offset += Subtable->Length;
    259         Subtable = ACPI_ADD_PTR (ACPI_SUBTABLE_HEADER, Subtable,
    260             Subtable->Length);
    261     }
    262 }
    263 
    264 
    265 /*******************************************************************************
    266  *
    267  * FUNCTION:    AcpiDmDumpStao
    268  *
    269  * PARAMETERS:  Table               - A STAO table
    270  *
    271  * RETURN:      None
    272  *
    273  * DESCRIPTION: Format the contents of a STAO. This is a variable-length
    274  *              table that contains an open-ended number of ASCII strings
    275  *              at the end of the table.
    276  *
    277  ******************************************************************************/
    278 
    279 void
    280 AcpiDmDumpStao (
    281     ACPI_TABLE_HEADER       *Table)
    282 {
    283     ACPI_STATUS             Status;
    284     char                    *Namepath;
    285     UINT32                  Length = Table->Length;
    286     UINT32                  StringLength;
    287     UINT32                  Offset = sizeof (ACPI_TABLE_STAO);
    288 
    289 
    290     /* Main table */
    291 
    292     Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoStao);
    293     if (ACPI_FAILURE (Status))
    294     {
    295         return;
    296     }
    297 
    298     /* The rest of the table consists of Namepath strings */
    299 
    300     while (Offset < Table->Length)
    301     {
    302         Namepath = ACPI_ADD_PTR (char, Table, Offset);
    303         StringLength = strlen (Namepath) + 1;
    304 
    305         AcpiDmLineHeader (Offset, StringLength, "Namepath");
    306         AcpiOsPrintf ("\"%s\"\n", Namepath);
    307 
    308         /* Point to next namepath */
    309 
    310         Offset += StringLength;
    311     }
    312 }
    313 
    314 
    315 /*******************************************************************************
    316  *
    317  * FUNCTION:    AcpiDmDumpSvkl
    318  *
    319  * PARAMETERS:  Table               - A SVKL table
    320  *
    321  * RETURN:      None
    322  *
    323  * DESCRIPTION: Format the contents of a SVKL. This is a variable-length
    324  *              table that contains an open-ended number of key subtables at
    325  *              the end of the header.
    326  *
    327  * NOTES: SVKL is essentially a flat table, with a small main table and
    328  *          a variable number of a single type of subtable.
    329  *
    330  ******************************************************************************/
    331 
    332 void
    333 AcpiDmDumpSvkl (
    334     ACPI_TABLE_HEADER       *Table)
    335 {
    336     ACPI_STATUS             Status;
    337     UINT32                  Length = Table->Length;
    338     UINT32                  Offset = sizeof (ACPI_TABLE_SVKL);
    339     ACPI_SVKL_KEY           *Subtable;
    340 
    341 
    342     /* Main table */
    343 
    344     Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoSvkl);
    345     if (ACPI_FAILURE (Status))
    346     {
    347         return;
    348     }
    349 
    350     /* The rest of the table consists of subtables (single type) */
    351 
    352     Subtable = ACPI_ADD_PTR (ACPI_SVKL_KEY, Table, Offset);
    353     while (Offset < Table->Length)
    354     {
    355         /* Dump the subtable */
    356 
    357         AcpiOsPrintf ("\n");
    358         Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
    359             sizeof (ACPI_SVKL_KEY), AcpiDmTableInfoSvkl0);
    360         if (ACPI_FAILURE (Status))
    361         {
    362             return;
    363         }
    364 
    365         /* Point to next subtable */
    366 
    367         Offset += sizeof (ACPI_SVKL_KEY);
    368         Subtable = ACPI_ADD_PTR (ACPI_SVKL_KEY, Subtable,
    369             sizeof (ACPI_SVKL_KEY));
    370     }
    371 }
    372 
    373 
    374 /*******************************************************************************
    375  *
    376  * FUNCTION:    AcpiDmDumpTcpa
    377  *
    378  * PARAMETERS:  Table               - A TCPA table
    379  *
    380  * RETURN:      None
    381  *
    382  * DESCRIPTION: Format the contents of a TCPA.
    383  *
    384  * NOTE:        There are two versions of the table with the same signature:
    385  *              the client version and the server version. The common
    386  *              PlatformClass field is used to differentiate the two types of
    387  *              tables.
    388  *
    389  ******************************************************************************/
    390 
    391 void
    392 AcpiDmDumpTcpa (
    393     ACPI_TABLE_HEADER       *Table)
    394 {
    395     UINT32                  Offset = sizeof (ACPI_TABLE_TCPA_HDR);
    396     ACPI_TABLE_TCPA_HDR     *CommonHeader = ACPI_CAST_PTR (
    397                                 ACPI_TABLE_TCPA_HDR, Table);
    398     ACPI_TABLE_TCPA_HDR     *Subtable = ACPI_ADD_PTR (
    399                                 ACPI_TABLE_TCPA_HDR, Table, Offset);
    400     ACPI_STATUS             Status;
    401 
    402 
    403     /* Main table */
    404 
    405     Status = AcpiDmDumpTable (Table->Length, 0, Table,
    406         0, AcpiDmTableInfoTcpaHdr);
    407     if (ACPI_FAILURE (Status))
    408     {
    409         return;
    410     }
    411 
    412     /*
    413      * Examine the PlatformClass field to determine the table type.
    414      * Either a client or server table. Only one.
    415      */
    416     switch (CommonHeader->PlatformClass)
    417     {
    418     case ACPI_TCPA_CLIENT_TABLE:
    419 
    420         Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
    421             Table->Length - Offset, AcpiDmTableInfoTcpaClient);
    422         break;
    423 
    424     case ACPI_TCPA_SERVER_TABLE:
    425 
    426         Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
    427             Table->Length - Offset, AcpiDmTableInfoTcpaServer);
    428         break;
    429 
    430     default:
    431 
    432         AcpiOsPrintf ("\n**** Unknown TCPA Platform Class 0x%X\n",
    433             CommonHeader->PlatformClass);
    434         Status = AE_ERROR;
    435         break;
    436     }
    437 
    438     if (ACPI_FAILURE (Status))
    439     {
    440         AcpiOsPrintf ("\n**** Cannot disassemble TCPA table\n");
    441     }
    442 }
    443 
    444 
    445 /*******************************************************************************
    446  *
    447  * FUNCTION:    AcpiDmDumpTpm2
    448  *
    449  * PARAMETERS:  Table               - A TPM2 table
    450  *
    451  * RETURN:      None
    452  *
    453  * DESCRIPTION: Format the contents of a TPM2.
    454  *
    455  ******************************************************************************/
    456 
    457 static void
    458 AcpiDmDumpTpm2Rev3 (
    459     ACPI_TABLE_HEADER       *Table)
    460 {
    461     UINT32                  Offset = sizeof (ACPI_TABLE_TPM23);
    462     ACPI_TABLE_TPM23        *CommonHeader = ACPI_CAST_PTR (ACPI_TABLE_TPM23, Table);
    463     ACPI_TPM23_TRAILER      *Subtable = ACPI_ADD_PTR (ACPI_TPM23_TRAILER, Table, Offset);
    464     ACPI_STATUS             Status;
    465 
    466 
    467     /* Main table */
    468 
    469     Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoTpm23);
    470     if (ACPI_FAILURE (Status))
    471     {
    472         return;
    473     }
    474 
    475     /* Optional subtable if start method is ACPI start method */
    476 
    477     switch (CommonHeader->StartMethod)
    478     {
    479     case ACPI_TPM23_ACPI_START_METHOD:
    480 
    481         (void) AcpiDmDumpTable (Table->Length, Offset, Subtable,
    482             Table->Length - Offset, AcpiDmTableInfoTpm23a);
    483         break;
    484 
    485     default:
    486         break;
    487     }
    488 }
    489 
    490 
    491 /*******************************************************************************
    492  *
    493  * FUNCTION:    AcpiDmDumpTpm2
    494  *
    495  * PARAMETERS:  Table               - A TPM2 table
    496  *
    497  * RETURN:      None
    498  *
    499  * DESCRIPTION: Format the contents of a TPM2.
    500  *
    501  ******************************************************************************/
    502 
    503 void
    504 AcpiDmDumpTpm2 (
    505     ACPI_TABLE_HEADER       *Table)
    506 {
    507     UINT32                  Offset = sizeof (ACPI_TABLE_TPM2);
    508     ACPI_TABLE_TPM2         *CommonHeader = ACPI_CAST_PTR (ACPI_TABLE_TPM2, Table);
    509     ACPI_TPM2_TRAILER       *Subtable = ACPI_ADD_PTR (ACPI_TPM2_TRAILER, Table, Offset);
    510     ACPI_TPM2_ARM_SMC       *ArmSubtable;
    511     ACPI_STATUS             Status;
    512 
    513 
    514     if (Table->Revision == 3)
    515     {
    516         AcpiDmDumpTpm2Rev3(Table);
    517         return;
    518     }
    519 
    520     /* Main table */
    521 
    522     Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoTpm2);
    523 
    524     if (ACPI_FAILURE (Status))
    525     {
    526         return;
    527     }
    528 
    529     AcpiOsPrintf ("\n");
    530     Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
    531         Table->Length - Offset, AcpiDmTableInfoTpm2a);
    532     if (ACPI_FAILURE (Status))
    533     {
    534         return;
    535     }
    536 
    537     switch (CommonHeader->StartMethod)
    538     {
    539     case ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC:
    540 
    541         ArmSubtable = ACPI_ADD_PTR (ACPI_TPM2_ARM_SMC, Subtable,
    542             sizeof (ACPI_TPM2_TRAILER));
    543         Offset += sizeof (ACPI_TPM2_TRAILER);
    544 
    545         AcpiOsPrintf ("\n");
    546         (void) AcpiDmDumpTable (Table->Length, Offset, ArmSubtable,
    547             Table->Length - Offset, AcpiDmTableInfoTpm211);
    548         break;
    549 
    550     default:
    551         break;
    552     }
    553 }
    554 
    555 
    556 /*******************************************************************************
    557  *
    558  * FUNCTION:    AcpiDmDumpViot
    559  *
    560  * PARAMETERS:  Table               - A VIOT table
    561  *
    562  * RETURN:      None
    563  *
    564  * DESCRIPTION: Format the contents of a VIOT
    565  *
    566  ******************************************************************************/
    567 
    568 void
    569 AcpiDmDumpViot (
    570     ACPI_TABLE_HEADER       *Table)
    571 {
    572     ACPI_STATUS             Status;
    573     ACPI_TABLE_VIOT         *Viot;
    574     ACPI_VIOT_HEADER        *ViotHeader;
    575     UINT16                  Length;
    576     UINT16                  Offset;
    577     ACPI_DMTABLE_INFO       *InfoTable;
    578 
    579     /* Main table */
    580 
    581     Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoViot);
    582     if (ACPI_FAILURE (Status))
    583     {
    584         return;
    585     }
    586 
    587     Viot = ACPI_CAST_PTR (ACPI_TABLE_VIOT, Table);
    588 
    589     Offset = Viot->NodeOffset;
    590     while (Offset < Table->Length)
    591     {
    592         /* Common subtable header */
    593         ViotHeader = ACPI_ADD_PTR (ACPI_VIOT_HEADER, Table, Offset);
    594         AcpiOsPrintf ("\n");
    595 
    596         Length = sizeof (ACPI_VIOT_HEADER);
    597         Status = AcpiDmDumpTable (Table->Length, Offset, ViotHeader, Length,
    598             AcpiDmTableInfoViotHeader);
    599         if (ACPI_FAILURE (Status))
    600         {
    601             return;
    602         }
    603 
    604         Length = ViotHeader->Length;
    605         switch (ViotHeader->Type)
    606         {
    607         case ACPI_VIOT_NODE_PCI_RANGE:
    608 
    609             InfoTable = AcpiDmTableInfoViot1;
    610             break;
    611 
    612         case ACPI_VIOT_NODE_MMIO:
    613 
    614             InfoTable = AcpiDmTableInfoViot2;
    615             break;
    616 
    617         case ACPI_VIOT_NODE_VIRTIO_IOMMU_PCI:
    618 
    619             InfoTable = AcpiDmTableInfoViot3;
    620             break;
    621 
    622         case ACPI_VIOT_NODE_VIRTIO_IOMMU_MMIO:
    623 
    624             InfoTable = AcpiDmTableInfoViot4;
    625             break;
    626 
    627         default:
    628 
    629             AcpiOsPrintf ("\n*** Unknown VIOT node type 0x%X\n",
    630                 ViotHeader->Type);
    631 
    632             /* Attempt to continue */
    633 
    634             if (!Length)
    635             {
    636                 AcpiOsPrintf ("Invalid zero length VIOT node\n");
    637                 return;
    638             }
    639             goto NextSubtable;
    640         }
    641 
    642         AcpiOsPrintf ("\n");
    643         Status = AcpiDmDumpTable (Table->Length, Offset, ViotHeader, Length,
    644             InfoTable);
    645         if (ACPI_FAILURE (Status))
    646         {
    647             return;
    648         }
    649 
    650 NextSubtable:
    651         Offset += Length;
    652     }
    653 }
    654 
    655 
    656 /*******************************************************************************
    657  *
    658  * FUNCTION:    AcpiDmDumpWdat
    659  *
    660  * PARAMETERS:  Table               - A WDAT table
    661  *
    662  * RETURN:      None
    663  *
    664  * DESCRIPTION: Format the contents of a WDAT
    665  *
    666  ******************************************************************************/
    667 
    668 void
    669 AcpiDmDumpWdat (
    670     ACPI_TABLE_HEADER       *Table)
    671 {
    672     ACPI_STATUS             Status;
    673     UINT32                  Offset = sizeof (ACPI_TABLE_WDAT);
    674     ACPI_WDAT_ENTRY         *Subtable;
    675 
    676 
    677     /* Main table */
    678 
    679     Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoWdat);
    680     if (ACPI_FAILURE (Status))
    681     {
    682         return;
    683     }
    684 
    685     /* Subtables */
    686 
    687     Subtable = ACPI_ADD_PTR (ACPI_WDAT_ENTRY, Table, Offset);
    688     while (Offset < Table->Length)
    689     {
    690         /* Common subtable header */
    691 
    692         AcpiOsPrintf ("\n");
    693         Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
    694             sizeof (ACPI_WDAT_ENTRY), AcpiDmTableInfoWdat0);
    695         if (ACPI_FAILURE (Status))
    696         {
    697             return;
    698         }
    699 
    700         /* Point to next subtable */
    701 
    702         Offset += sizeof (ACPI_WDAT_ENTRY);
    703         Subtable = ACPI_ADD_PTR (ACPI_WDAT_ENTRY, Subtable,
    704             sizeof (ACPI_WDAT_ENTRY));
    705     }
    706 }
    707 
    708 
    709 /*******************************************************************************
    710  *
    711  * FUNCTION:    AcpiDmDumpWpbt
    712  *
    713  * PARAMETERS:  Table               - A WPBT table
    714  *
    715  * RETURN:      None
    716  *
    717  * DESCRIPTION: Format the contents of a WPBT. This table type consists
    718  *              of an open-ended arguments buffer at the end of the table.
    719  *
    720  ******************************************************************************/
    721 
    722 void
    723 AcpiDmDumpWpbt (
    724     ACPI_TABLE_HEADER       *Table)
    725 {
    726     ACPI_STATUS             Status;
    727     ACPI_TABLE_WPBT         *Subtable;
    728     UINT32                  Length = Table->Length;
    729     UINT16                  ArgumentsLength;
    730 
    731 
    732     /* Dump the main table */
    733 
    734     Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoWpbt);
    735     if (ACPI_FAILURE (Status))
    736     {
    737         return;
    738     }
    739 
    740     /* Extract the arguments buffer length from the main table */
    741 
    742     Subtable = ACPI_CAST_PTR (ACPI_TABLE_WPBT, Table);
    743     ArgumentsLength = Subtable->ArgumentsLength;
    744 
    745     /* Dump the arguments buffer */
    746 
    747     (void) AcpiDmDumpTable (Table->Length, 0, Table, ArgumentsLength,
    748         AcpiDmTableInfoWpbt0);
    749 }
    750