/** @file
  CPU Exception Handler Library.

  Copyright (c) 2012 - 2017, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef _CPU_EXCEPTION_LIB_H_
#define _CPU_EXCEPTION_LIB_H_

#define  CPU_EXCEPTION_NUM          32
#define  CPU_INTERRUPT_NUM         256

//
// Record exception handler information
//
typedef struct {
  UINTN ExceptionStart;
  UINTN ExceptionStubHeaderSize;
} EXCEPTION_HANDLER_TEMPLATE_MAP;


/**
  Return address map of exception handler template so that C code can generate
  exception tables.

  @param AddressMap[in, out]  Pointer to a buffer where the address map is returned.
**/
VOID
EFIAPI
AsmGetTemplateAddressMap (
  OUT EXCEPTION_HANDLER_TEMPLATE_MAP *AddressMap
  );


/**
  Update exception handler in IDT table .

  This function is used to update the IDT exception handler with current stage.

  @param[in]  IdtDescriptor   If not NULL, it is new IDT descriptor to be updated.
                              if it is NULL, the IDT descriptor will be retrieved from IDT base register.

**/
VOID
UpdateExceptionHandler (
  IN IA32_DESCRIPTOR         *IdtDescriptor
  );

#endif