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   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 #ifndef _ARCH_CPU_INTERRUPT_DEFS_H_
  16 #define _ARCH_CPU_INTERRUPT_DEFS_H_
  17
  18 typedef struct {
  19   EFI_SYSTEM_CONTEXT_IA32 SystemContext;
  20   BOOLEAN                 ExceptionDataFlag;
  21   UINTN                   OldIdtHandler;
  22 } EXCEPTION_HANDLER_CONTEXT;
  23
  24 //
  25 // Register Structure Definitions
  26 //
  27 typedef struct {
  28   EFI_STATUS_CODE_DATA      Header;
  29   EFI_SYSTEM_CONTEXT_IA32   SystemContext;
  30 } CPU_STATUS_CODE_TEMPLATE;
  31
  32 typedef struct {
  33   SPIN_LOCK   SpinLock;
  34   UINT32      ApicId;
  35   UINT32      Attribute;
  36   UINTN       ExceptonHandler;
  37   UINTN       OldFlags;
  38   UINTN       OldCs;
  39   UINTN       OldIp;
  40   UINTN       ExceptionData;
  41   UINT8       HookAfterStubHeaderCode[HOOKAFTER_STUB_SIZE];
  42 } RESERVED_VECTORS_DATA;
  43
  44 #define CPU_TSS_DESC_SIZE \
  45   (sizeof (IA32_TSS_DESCRIPTOR) * \
  46    (FixedPcdGetSize (PcdCpuStackSwitchExceptionList) + 1))
  47
  48 #define CPU_TSS_SIZE \
  49   (sizeof (IA32_TASK_STATE_SEGMENT) * \
  50    (FixedPcdGetSize (PcdCpuStackSwitchExceptionList) + 1))
  51
  52 #endif