MdeModulePkg/Universal/Network/UefiPxeBcDxe/Ebc/PxeArch.c

   1 /** @file
   2   Defines PXE Arch type.
   3
   4 Copyright (c) 2007, Intel Corporation.<BR>
   5 All rights reserved. This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15
  16 #include "PxeArch.h"
  17
  18 UINT16 mSysArch = 0;
  19 /**
  20   Get the system architecture type.
  21
  22   @return system architecture type.
  23
  24 **/
  25 UINT16
  26 GetSysArch (
  27   VOID
  28   )
  29 {
  30   if (mSysArch == 0) {
  31     //
  32     // This is first call
  33     // Assign to invalid value
  34     //
  35     mSysArch = 0xFFFF;
  36
  37     //
  38     // We do not know what is EBC architecture.
  39     // Maybe we can try to locate DebugSupport protocol to get ISA.
  40     // TBD now.
  41     //
  42   }
  43
  44   return mSysArch;
  45 }