ArmPkg/Drivers/ArmCrashDumpDxe/ArmCrashDumpDxe.c

   1 /** @file
   2
   3   Copyright (c) 2017, Linaro, Ltd. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <PiDxe.h>
  10 #include <Library/DebugLib.h>
  11 #include <Library/DefaultExceptionHandlerLib.h>
  12 #include <Library/UefiBootServicesTableLib.h>
  13 #include <Protocol/Cpu.h>
  14
  15 STATIC EFI_CPU_ARCH_PROTOCOL      *mCpu;
  16
  17 EFI_STATUS
  18 EFIAPI
  19 ArmCrashDumpDxeInitialize (
  20   IN EFI_HANDLE         ImageHandle,
  21   IN EFI_SYSTEM_TABLE   *SystemTable
  22   )
  23 {
  24   EFI_STATUS      Status;
  25
  26   Status = gBS->LocateProtocol (&gEfiCpuArchProtocolGuid, NULL, (VOID **)&mCpu);
  27   ASSERT_EFI_ERROR(Status);
  28
  29   return mCpu->RegisterInterruptHandler (mCpu,
  30                                          EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS,
  31                                          &DefaultExceptionHandler);
  32 }