OvmfPkg/ResetVector/Ia16/ResetVectorOldTools.asm

   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 ;   Reset-16Bit-old-tools.asm
  15 ;
  16 ; Abstract:
  17 ;
  18 ;   First code exectuted by processor after resetting.
  19 ;
  20 ;------------------------------------------------------------------------------
  21
  22 BITS    16
  23
  24 earlyInit_Real16:
  25
  26         jmp     real16InitSerialPort
  27 real16SerialPortInitReturn:
  28
  29         jmp     to32BitFlat
  30
  31 ALIGN   16
  32
  33 ;
  34 ; Junk data.  Old GenFv tool will modify data here.
  35 ;
  36         DQ      0, 0
  37
  38 ;
  39 ; Reset Vector
  40 ;
  41 ; This is where the processor will begin execution
  42 ;
  43         jmp     short earlyInit_Real16
  44
  45 ;
  46 ; Junk data.  Old GenFv tool will modify data here.
  47 ;
  48 ALIGN   16
  49
  50 fourGigabytes:
  51