ArmPkg/Drivers/ArmCrashDumpDxe/ArmCrashDumpDxe.c

   1 /** @file
   2
   3   Copyright (c) 2017, Linaro, Ltd. All rights reserved.<BR>
   4
   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 #include <PiDxe.h>
  16 #include <Library/DebugLib.h>
  17 #include <Library/DefaultExceptionHandlerLib.h>
  18 #include <Library/UefiBootServicesTableLib.h>
  19 #include <Protocol/Cpu.h>
  20
  21 STATIC EFI_CPU_ARCH_PROTOCOL      *mCpu;
  22
  23 EFI_STATUS
  24 EFIAPI
  25 ArmCrashDumpDxeInitialize (
  26   IN EFI_HANDLE         ImageHandle,
  27   IN EFI_SYSTEM_TABLE   *SystemTable
  28   )
  29 {
  30   EFI_STATUS      Status;
  31
  32   Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&mCpu);
  33   ASSERT_EFI_ERROR(Status);
  34
  35   return mCpu->RegisterInterruptHandler (mCpu,
  36                                          EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS,
  37                                          &DefaultExceptionHandler);
  38 }