UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchInterruptDefs.h

   1 /** @file
   2   Ia32 arch definition for CPU Exception Handler Library.
   3
   4   Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #ifndef _ARCH_CPU_INTERRUPT_DEFS_H_
  10 #define _ARCH_CPU_INTERRUPT_DEFS_H_
  11
  12 typedef struct {
  13   EFI_SYSTEM_CONTEXT_IA32    SystemContext;
  14   BOOLEAN                    ExceptionDataFlag;
  15   UINTN                      OldIdtHandler;
  16 } EXCEPTION_HANDLER_CONTEXT;
  17
  18 //
  19 // Register Structure Definitions
  20 //
  21 typedef struct {
  22   EFI_STATUS_CODE_DATA       Header;
  23   EFI_SYSTEM_CONTEXT_IA32    SystemContext;
  24 } CPU_STATUS_CODE_TEMPLATE;
  25
  26 typedef struct {
  27   SPIN_LOCK    SpinLock;
  28   UINT32       ApicId;
  29   UINT32       Attribute;
  30   UINTN        ExceptonHandler;
  31   UINTN        OldFlags;
  32   UINTN        OldCs;
  33   UINTN        OldIp;
  34   UINTN        ExceptionData;
  35   UINT8        HookAfterStubHeaderCode[HOOKAFTER_STUB_SIZE];
  36 } RESERVED_VECTORS_DATA;
  37
  38 #define CPU_TSS_DESC_SIZE \
  39   (sizeof (IA32_TSS_DESCRIPTOR) * \
  40    (FixedPcdGetSize (PcdCpuStackSwitchExceptionList) + 1))
  41
  42 #define CPU_TSS_SIZE \
  43   (sizeof (IA32_TASK_STATE_SEGMENT) * \
  44    (FixedPcdGetSize (PcdCpuStackSwitchExceptionList) + 1))
  45
  46 #endif