OvmfPkg/ResetVector/CommonMacros.inc

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2008, Intel Corporation
   4 ; All rights reserved. This program and the accompanying materials
   5 ; are licensed and made available under the terms and conditions of the BSD License
   6 ; which accompanies this distribution.  The full text of the license may be found at
   7 ; http://opensource.org/licenses/bsd-license.php
   8 ;
   9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11 ;
  12 ; Module Name:
  13 ;
  14 ;   CommonMacros.inc
  15 ;
  16 ; Abstract:
  17 ;
  18 ;   Common macros used in the ResetVector VTF module.
  19 ;
  20 ;------------------------------------------------------------------------------
  21
  22 %define ADDR16_OF(x) (0x10000 - fourGigabytes + x)
  23 %define ADDR_OF(x) (0x100000000 - fourGigabytes + x)
  24
  25 %macro  callEdx 1
  26     mov     edx, ADDR_OF(%%returnLabel)
  27     jmp     %1
  28 %%returnLabel:
  29 %endmacro
  30
  31 %macro  OneTimeCall 1
  32     jmp     %1
  33 %1 %+ OneTimerCallReturn:
  34 %endmacro
  35
  36 %macro  OneTimeCallRet 1
  37     jmp     %1 %+ OneTimerCallReturn
  38 %endmacro
  39
  40 StartOfResetVectorCode:
  41
  42 %define ADDR_OF_START_OF_RESET_CODE ADDR_OF(StartOfResetVectorCode)
  43