ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Ssdt/SsdtParser.c

   1 /** @file
   2   SSDT table parser
   3
   4   Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7   @par Reference(s):
   8     - ACPI 6.2 Specification - Errata A, September 2017
   9 **/
  10
  11 #include <IndustryStandard/Acpi.h>
  12 #include <Library/UefiLib.h>
  13 #include "AcpiParser.h"
  14 #include "AcpiTableParser.h"
  15
  16 /**
  17   This function parses the ACPI SSDT table.
  18   When trace is enabled this function parses the SSDT table and
  19   traces the ACPI table fields.
  20   For the SSDT table only the ACPI header fields are
  21   parsed and traced.
  22
  23   @param [in] Trace              If TRUE, trace the ACPI fields.
  24   @param [in] Ptr                Pointer to the start of the buffer.
  25   @param [in] AcpiTableLength    Length of the ACPI table.
  26   @param [in] AcpiTableRevision  Revision of the ACPI table.
  27 **/
  28 VOID
  29 EFIAPI
  30 ParseAcpiSsdt (
  31   IN BOOLEAN  Trace,
  32   IN UINT8    *Ptr,
  33   IN UINT32   AcpiTableLength,
  34   IN UINT8    AcpiTableRevision
  35   )
  36 {
  37   if (!Trace) {
  38     return;
  39   }
  40
  41   DumpAcpiHeader (Ptr);
  42 }