UefiCpuPkg/ResetVector/FixupVtf/Vtf.nasmb

   1 ;------------------------------------------------------------------------------
   2 ; @file
   3 ; First code exectuted by processor after resetting.
   4 ;
   5 ; Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>
   6 ; SPDX-License-Identifier: BSD-2-Clause-Patent
   7 ;
   8 ;------------------------------------------------------------------------------
   9
  10 BITS    16
  11
  12 ALIGN   16                      ; 0xffffffd0
  13
  14 applicationProcessorEntryPoint:
  15 ;
  16 ; Application Processors entry point
  17 ;
  18 ; GenFv generates code aligned on a 4k boundary which will jump to this
  19 ; location.  (0xffffffd0)  This allows the Local APIC Startup IPI to be
  20 ; used to wake up the application processors.
  21 ;
  22     jmp     short resetVector
  23
  24 ALIGN   16                      ; 0xffffffe0
  25
  26 peiCoreEntryPoint:
  27 ;
  28 ; PEI Core entry point
  29 ;
  30 ; GenFv fills the address of the PEI Core into this location
  31 ;
  32     DD      0x12345678
  33
  34 ALIGN   16                      ; 0xfffffff0
  35
  36 resetVector:
  37 ;
  38 ; Reset Vector
  39 ;
  40 ; This is where the processor will begin execution
  41 ;
  42     nop
  43     nop
  44     jmp     near $
  45
  46 ALIGN   8
  47
  48 ApStartupSegment:
  49     DD      0x12345678
  50
  51 BootFvBaseAddress:
  52     DD      0x12345678
  53
  54 ALIGN   16                      ; 0x100000000