EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseTimerLibLocalApic/Ia32/X86LocalApicTimerInitialize.asm

   1 ; Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
   2 ; This program and the accompanying materials
   3 ; are licensed and made available under the terms and conditions of the BSD License
   4 ; which accompanies this distribution.  The full text of the license may be found at
   5 ; http://opensource.org/licenses/bsd-license.php
   6 ;
   7 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   8 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   9 ;
  10 ; Module Name:
  11 ;
  12 ;   x86LocalApicTimerInitialize.Asm
  13 ;
  14 ; Abstract:
  15 ;
  16 ;   Initialize Local Apic Timer
  17 ;
  18 ; Notes:
  19 ;
  20 ;------------------------------------------------------------------------------
  21
  22     .386
  23     .model  flat,C
  24     .code
  25
  26 InternalX86GetApicBase    PROTO   C
  27
  28 ;------------------------------------------------------------------------------
  29 ; VOID
  30 ; EFIAPI
  31 ; CpuInitLocalApicTimer (
  32 ;   VOID
  33 ;   );
  34 ;------------------------------------------------------------------------------
  35 CpuInitLocalApicTimer    PROC
  36     call InternalX86GetApicBase
  37     mov dword ptr ds:[eax + 3e0h], 0ah
  38     bts dword ptr ds:[eax + 320h], 17
  39     mov dword ptr ds:[eax + 380h], -1
  40     ret
  41 CpuInitLocalApicTimer    ENDP
  42
  43     END