UefiCpuPkg/CpuDxe/CpuMp.h

   1 /** @file
   2   CPU DXE MP support
   3
   4   Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
   5   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 #ifndef _CPU_MP_H_
  16 #define _CPU_MP_H_
  17
  18 /**
  19   Initialize Multi-processor support.
  20
  21 **/
  22 VOID
  23 InitializeMpSupport (
  24   VOID
  25   );
  26
  27 /**
  28   The AP entry point that the Startup-IPI target code will jump to.
  29
  30   The processor jumps to this code in flat mode, but the processor's
  31   stack is not initialized.
  32
  33 **/
  34 VOID
  35 EFIAPI
  36 AsmApEntryPoint (
  37   VOID
  38   );
  39
  40 /**
  41   Releases the lock preventing other APs from using the shared AP
  42   stack.
  43
  44   Once the AP has transitioned to using a new stack, it can call this
  45   function to allow another AP to proceed with using the shared stack.
  46
  47 **/
  48 VOID
  49 EFIAPI
  50 AsmApDoneWithCommonStack (
  51   VOID
  52   );
  53
  54 #endif // _CPU_MP_H_
  55