MdePkg/Library/PeiCoreEntryPoint/PeiCoreEntryPoint.c

   1 /** @file
   2   Entry point to a the PEI Core.
   3
   4 Copyright (c) 2006 - 2007, Intel Corporation<BR>
   5 All rights reserved. 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
  16 #include <PiPei.h>
  17
  18 //
  19 // The Library classes this module produced
  20 //
  21 #include <Library/PeiCoreEntryPoint.h>
  22 #include <Library/BaseLib.h>
  23 #include <Library/DebugLib.h>
  24
  25 /**
  26
  27   Enrty point to PEI core.
  28
  29   @param SecCoreData    Points to a data structure containing
  30                         information about the PEI core's
  31                         operating environment, such as the size
  32                         and location of temporary RAM, the stack
  33                         location and the BFV location. The type
  34                         EFI_SEC_PEI_HAND_OFF is
  35
  36   @param PpiList        Points to a list of one or more PPI
  37                         descriptors to be installed initially by
  38                         the PEI core. An empty PPI list consists
  39                         of a single descriptor with the end-tag
  40                         EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
  41                         As part of its initialization phase, the
  42                         PEI Foundation will add these SEC-hosted
  43                         PPIs to its PPI database such that both
  44                         the PEI Foundation and any modules can
  45                         leverage the associated service calls
  46                         and/or code in these early PPIs.
  47
  48 **/
  49 VOID
  50 EFIAPI
  51 _ModuleEntryPoint(
  52   IN CONST  EFI_SEC_PEI_HAND_OFF    *SecCoreData,
  53   IN CONST  EFI_PEI_PPI_DESCRIPTOR  *PpiList
  54 )
  55 {
  56   ProcessModuleEntryPointList (SecCoreData, PpiList, NULL);
  57
  58   //
  59   // Should never return
  60   //
  61   ASSERT(FALSE);
  62   CpuDeadLoop ();
  63 }
  64
  65
  66 /**
  67
  68   Wrapper of enrty point to PEI core.
  69
  70   @param SecCoreData    Points to a data structure containing
  71                         information about the PEI core's
  72                         operating environment, such as the size
  73                         and location of temporary RAM, the stack
  74                         location and the BFV location. The type
  75                         EFI_SEC_PEI_HAND_OFF is
  76
  77   @param PpiList        Points to a list of one or more PPI
  78                         descriptors to be installed initially by
  79                         the PEI core. An empty PPI list consists
  80                         of a single descriptor with the end-tag
  81                         EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
  82                         As part of its initialization phase, the
  83                         PEI Foundation will add these SEC-hosted
  84                         PPIs to its PPI database such that both
  85                         the PEI Foundation and any modules can
  86                         leverage the associated service calls
  87                         and/or code in these early PPIs.
  88
  89 **/
  90 VOID
  91 EFIAPI
  92 EfiMain (
  93   IN CONST  EFI_SEC_PEI_HAND_OFF    *SecCoreData,
  94   IN CONST  EFI_PEI_PPI_DESCRIPTOR  *PpiList
  95   )
  96 {
  97   _ModuleEntryPoint (SecCoreData, PpiList);
  98 }