MdePkg/Include/IndustryStandard/DebugPortTable.h

   1 /** @file
   2   ACPI debug port table definition, defined at
   3   Microsoft DebugPortSpecification.
   4
   5   Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #ifndef _DEBUG_PORT_TABLE_H_
  11 #define _DEBUG_PORT_TABLE_H_
  12
  13 #include <IndustryStandard/Acpi.h>
  14
  15 //
  16 // Ensure proper structure formats
  17 //
  18 #pragma pack(1)
  19
  20 //
  21 // Debug Port Table definition.
  22 //
  23 typedef struct {
  24   EFI_ACPI_DESCRIPTION_HEADER               Header;
  25   UINT8                                     InterfaceType;
  26   UINT8                                     Reserved_37[3];
  27   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE    BaseAddress;
  28 } EFI_ACPI_DEBUG_PORT_DESCRIPTION_TABLE;
  29
  30 #pragma pack()
  31
  32 //
  33 // DBGP Revision (defined in spec)
  34 //
  35 #define EFI_ACPI_DEBUG_PORT_TABLE_REVISION  0x01
  36
  37 //
  38 // Interface Type
  39 //
  40 #define EFI_ACPI_DBGP_INTERFACE_TYPE_FULL_16550                                 0
  41 #define EFI_ACPI_DBGP_INTERFACE_TYPE_16550_SUBSET_COMPATIBLE_WITH_MS_DBGP_SPEC  1
  42
  43 #endif