UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuException.c

   1 /** @file
   2   CPU Exception Library provides SEC/PEIM CPU exception handler.
   3
   4 Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
   5 This program and the accompanying materials are licensed and made available under
   6 the terms and conditions of the BSD License that accompanies this distribution.
   7 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 #include <PiPei.h>
  16 #include "CpuExceptionCommon.h"
  17
  18 //
  19 // Image Aglinment size for SEC/PEI phase
  20 //
  21 CONST UINTN      mImageAlignSize = 4;
  22
  23 /**
  24   Common exception handler.
  25
  26   @param ExceptionType  Exception type.
  27   @param SystemContext  Pointer to EFI_SYSTEM_CONTEXT.
  28 **/
  29 VOID
  30 EFIAPI
  31 CommonExceptionHandler (
  32   IN EFI_EXCEPTION_TYPE   ExceptionType,
  33   IN EFI_SYSTEM_CONTEXT   SystemContext
  34   )
  35 {
  36   //
  37   // Display ExceptionType, CPU information and Image information
  38   //
  39   DumpCpuContent (ExceptionType, SystemContext);
  40
  41   //
  42   // Enter a dead loop.
  43   //
  44   CpuDeadLoop ();
  45 }
  46
  47 /**
  48   Setup CPU exception handlers.
  49
  50   This API will setups the CPU exception handler to display CPU contents and run into
  51   CpuDeadLoop().
  52   Note: Before invoking this API, caller must allocate memory for IDT table and load
  53         IDTR by AsmWriteIdtr().
  54
  55 **/
  56 VOID
  57 EFIAPI
  58 SetupCpuExceptionHandlers (
  59   IN VOID
  60   )
  61 {
  62   InternalSetupCpuExceptionHandlers ();
  63 }