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      1 /** @file
      2 
      3 Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
      4 
      5 This program and the accompanying materials
      6 are licensed and made available under the terms and conditions
      7 of the BSD License which accompanies this distribution.  The
      8 full text of the license may be found at
      9 http://opensource.org/licenses/bsd-license.php
     10 
     11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 
     14 **/
     15 
     16 #ifndef _CAPSULE_PEIM_H_
     17 #define _CAPSULE_PEIM_H_
     18 
     19 #include <PiPei.h>
     20 #include <Uefi/UefiSpec.h>
     21 
     22 #include <Ppi/Capsule.h>
     23 #include <Ppi/LoadFile.h>
     24 #include <Ppi/ReadOnlyVariable2.h>
     25 #include <Guid/CapsuleVendor.h>
     26 
     27 #include <Library/BaseLib.h>
     28 #include <Library/DebugLib.h>
     29 #include <Library/PeimEntryPoint.h>
     30 #include <Library/PeiServicesLib.h>
     31 #include <Library/BaseMemoryLib.h>
     32 #include <Library/HobLib.h>
     33 #include <Library/PeiServicesTablePointerLib.h>
     34 #include <Library/PrintLib.h>
     35 #include <Library/PeCoffLib.h>
     36 #include <Library/PeCoffGetEntryPointLib.h>
     37 #include <Library/PcdLib.h>
     38 #include <Library/ReportStatusCodeLib.h>
     39 #include <Library/DebugAgentLib.h>
     40 #include <IndustryStandard/PeImage.h>
     41 #include "Common/CommonHeader.h"
     42 
     43 #ifdef MDE_CPU_IA32
     44 
     45 #pragma pack(1)
     46 
     47 //
     48 // Page-Map Level-4 Offset (PML4) and
     49 // Page-Directory-Pointer Offset (PDPE) entries 4K & 2MB
     50 //
     51 
     52 typedef union {
     53   struct {
     54     UINT64  Present:1;                // 0 = Not present in memory, 1 = Present in memory
     55     UINT64  ReadWrite:1;              // 0 = Read-Only, 1= Read/Write
     56     UINT64  UserSupervisor:1;         // 0 = Supervisor, 1=User
     57     UINT64  WriteThrough:1;           // 0 = Write-Back caching, 1=Write-Through caching
     58     UINT64  CacheDisabled:1;          // 0 = Cached, 1=Non-Cached
     59     UINT64  Accessed:1;               // 0 = Not accessed, 1 = Accessed (set by CPU)
     60     UINT64  Reserved:1;               // Reserved
     61     UINT64  MustBeZero:2;             // Must Be Zero
     62     UINT64  Available:3;              // Available for use by system software
     63     UINT64  PageTableBaseAddress:40;  // Page Table Base Address
     64     UINT64  AvabilableHigh:11;        // Available for use by system software
     65     UINT64  Nx:1;                     // No Execute bit
     66   } Bits;
     67   UINT64    Uint64;
     68 } PAGE_MAP_AND_DIRECTORY_POINTER;
     69 
     70 //
     71 // Page Table Entry 2MB
     72 //
     73 typedef union {
     74   struct {
     75     UINT64  Present:1;                // 0 = Not present in memory, 1 = Present in memory
     76     UINT64  ReadWrite:1;              // 0 = Read-Only, 1= Read/Write
     77     UINT64  UserSupervisor:1;         // 0 = Supervisor, 1=User
     78     UINT64  WriteThrough:1;           // 0 = Write-Back caching, 1=Write-Through caching
     79     UINT64  CacheDisabled:1;          // 0 = Cached, 1=Non-Cached
     80     UINT64  Accessed:1;               // 0 = Not accessed, 1 = Accessed (set by CPU)
     81     UINT64  Dirty:1;                  // 0 = Not Dirty, 1 = written by processor on access to page
     82     UINT64  MustBe1:1;                // Must be 1
     83     UINT64  Global:1;                 // 0 = Not global page, 1 = global page TLB not cleared on CR3 write
     84     UINT64  Available:3;              // Available for use by system software
     85     UINT64  PAT:1;                    //
     86     UINT64  MustBeZero:8;             // Must be zero;
     87     UINT64  PageTableBaseAddress:31;  // Page Table Base Address
     88     UINT64  AvabilableHigh:11;        // Available for use by system software
     89     UINT64  Nx:1;                     // 0 = Execute Code, 1 = No Code Execution
     90   } Bits;
     91   UINT64    Uint64;
     92 } PAGE_TABLE_ENTRY;
     93 
     94 //
     95 // Page Table Entry 1GB
     96 //
     97 typedef union {
     98   struct {
     99     UINT64  Present:1;                // 0 = Not present in memory, 1 = Present in memory
    100     UINT64  ReadWrite:1;              // 0 = Read-Only, 1= Read/Write
    101     UINT64  UserSupervisor:1;         // 0 = Supervisor, 1=User
    102     UINT64  WriteThrough:1;           // 0 = Write-Back caching, 1=Write-Through caching
    103     UINT64  CacheDisabled:1;          // 0 = Cached, 1=Non-Cached
    104     UINT64  Accessed:1;               // 0 = Not accessed, 1 = Accessed (set by CPU)
    105     UINT64  Dirty:1;                  // 0 = Not Dirty, 1 = written by processor on access to page
    106     UINT64  MustBe1:1;                // Must be 1
    107     UINT64  Global:1;                 // 0 = Not global page, 1 = global page TLB not cleared on CR3 write
    108     UINT64  Available:3;              // Available for use by system software
    109     UINT64  PAT:1;                    //
    110     UINT64  MustBeZero:17;            // Must be zero;
    111     UINT64  PageTableBaseAddress:22;  // Page Table Base Address
    112     UINT64  AvabilableHigh:11;        // Available for use by system software
    113     UINT64  Nx:1;                     // 0 = Execute Code, 1 = No Code Execution
    114   } Bits;
    115   UINT64    Uint64;
    116 } PAGE_TABLE_1G_ENTRY;
    117 
    118 #pragma pack()
    119 
    120 typedef
    121 EFI_STATUS
    122 (*COALESCE_ENTRY) (
    123   SWITCH_32_TO_64_CONTEXT       *EntrypointContext,
    124   SWITCH_64_TO_32_CONTEXT       *ReturnContext
    125   );
    126 
    127 #endif
    128 
    129 #endif
    130