MdePkg/Include/IndustryStandard/DebugPortTable.h

   1 /** @file
   2   ACPI debug port table definition, defined at
   3   Microsoft DebugPortSpecification.
   4
   5 Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
   6 This software and associated documentation (if any) is furnished
   7 under a license and may only be used or copied in accordance
   8 with the terms of the license. Except as permitted by such
   9 license, no part of this software or documentation may be
  10 reproduced, stored in a retrieval system, or transmitted in any
  11 form or by any means without the express written consent of
  12 Intel Corporation.
  13
  14 **/
  15
  16
  17 #ifndef _DEBUG_PORT_TABLE_H_
  18 #define _DEBUG_PORT_TABLE_H_
  19
  20 #include <IndustryStandard/Acpi.h>
  21
  22 //
  23 // Ensure proper structure formats
  24 //
  25 #pragma pack(1)
  26
  27 //
  28 // Debug Port Table definition.
  29 //
  30 typedef struct {
  31   EFI_ACPI_DESCRIPTION_HEADER               Header;
  32   UINT8                                     InterfaceType;
  33   UINT8                                     Reserved_37[3];
  34   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE    BaseAddress;
  35 } EFI_ACPI_DEBUG_PORT_DESCRIPTION_TABLE;
  36
  37 #pragma pack()
  38
  39 //
  40 // DBGP Revision (defined in spec)
  41 //
  42 #define EFI_ACPI_DEBUG_PORT_TABLE_REVISION      0x01
  43
  44 //
  45 // Interface Type
  46 //
  47 #define EFI_ACPI_DBGP_INTERFACE_TYPE_FULL_16550                                 0
  48 #define EFI_ACPI_DBGP_INTERFACE_TYPE_16550_SUBSET_COMPATIBLE_WITH_MS_DBGP_SPEC  1
  49
  50 #endif