| 1 | /** @file
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| 2 | FormDiplay protocol to show Form
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| 3 |
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| 4 | Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials are licensed and made available under
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| 6 | the terms and conditions of the BSD License that accompanies this distribution.
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| 7 | The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php.
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 | #ifndef __DISPLAY_PROTOCOL_H__
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| 16 | #define __DISPLAY_PROTOCOL_H__
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| 17 |
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| 18 | #include <Protocol/FormBrowser2.h>
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| 19 |
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| 20 | #define EDKII_FORM_DISPLAY_ENGINE_PROTOCOL_GUID \
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| 21 | { 0x9bbe29e9, 0xfda1, 0x41ec, { 0xad, 0x52, 0x45, 0x22, 0x13, 0x74, 0x2d, 0x2e } }
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| 22 |
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| 23 | //
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| 24 | // Do nothing.
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| 25 | //
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| 26 | #define BROWSER_ACTION_NONE BIT16
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| 27 | //
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| 28 | // ESC Exit
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| 29 | //
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| 30 | #define BROWSER_ACTION_FORM_EXIT BIT17
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| 31 |
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| 32 | #define BROWSER_SUCCESS 0x0
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| 33 | #define BROWSER_ERROR BIT31
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| 34 | #define BROWSER_SUBMIT_FAIL BROWSER_ERROR | 0x01
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| 35 | #define BROWSER_NO_SUBMIT_IF BROWSER_ERROR | 0x02
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| 36 | #define BROWSER_FORM_NOT_FOUND BROWSER_ERROR | 0x03
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| 37 | #define BROWSER_FORM_SUPPRESS BROWSER_ERROR | 0x04
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| 38 | #define BROWSER_PROTOCOL_NOT_FOUND BROWSER_ERROR | 0x05
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| 39 | #define BROWSER_INCONSISTENT_IF BROWSER_ERROR | 0x06
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| 40 | #define BROWSER_WARNING_IF BROWSER_ERROR | 0x07
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| 41 | #define BROWSER_SUBMIT_FAIL_NO_SUBMIT_IF BROWSER_ERROR | 0x08
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| 42 |
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| 43 | #define FORM_DISPLAY_ENGINE_STATEMENT_VERSION_1 0x10000
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| 44 | #define FORM_DISPLAY_ENGINE_VERSION_1 0x10000
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| 45 |
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| 46 | typedef struct {
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| 47 | //
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| 48 | // HII Data Type
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| 49 | //
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| 50 | UINT8 Type;
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| 51 | //
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| 52 | // Buffer Data and Length if Type is EFI_IFR_TYPE_BUFFER or EFI_IFR_TYPE_STRING
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| 53 | //
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| 54 | UINT8 *Buffer;
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| 55 | UINT16 BufferLen;
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| 56 | EFI_IFR_TYPE_VALUE Value;
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| 57 | } EFI_HII_VALUE;
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| 58 |
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| 59 | #define DISPLAY_QUESTION_OPTION_SIGNATURE SIGNATURE_32 ('Q', 'O', 'P', 'T')
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| 60 |
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| 61 | typedef struct {
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| 62 | UINTN Signature;
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| 63 | LIST_ENTRY Link;
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| 64 | //
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| 65 | // OneOfOption Data
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| 66 | //
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| 67 | EFI_IFR_ONE_OF_OPTION *OptionOpCode;
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| 68 | //
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| 69 | // Option ImageId and AnimationId
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| 70 | //
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| 71 | EFI_IMAGE_ID ImageId;
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| 72 | EFI_ANIMATION_ID AnimationId;
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| 73 | } DISPLAY_QUESTION_OPTION;
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| 74 |
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| 75 | #define DISPLAY_QUESTION_OPTION_FROM_LINK(a) CR (a, DISPLAY_QUESTION_OPTION, Link, DISPLAY_QUESTION_OPTION_SIGNATURE)
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| 76 |
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| 77 | typedef struct _FORM_DISPLAY_ENGINE_STATEMENT FORM_DISPLAY_ENGINE_STATEMENT;
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| 78 | typedef struct _FORM_DISPLAY_ENGINE_FORM FORM_DISPLAY_ENGINE_FORM;
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| 79 |
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| 80 | #define STATEMENT_VALID 0x0
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| 81 | #define STATEMENT_INVALID BIT31
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| 82 |
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| 83 | #define INCOSISTENT_IF_TRUE STATEMENT_INVALID | 0x01
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| 84 | #define WARNING_IF_TRUE STATEMENT_INVALID | 0x02
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| 85 | #define STRING_TOO_LONG STATEMENT_INVALID | 0x03
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| 86 | // ... to be extended.
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| 87 |
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| 88 | typedef struct {
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| 89 | //
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| 90 | // StringId for INCONSITENT_IF or WARNING_IF
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| 91 | //
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| 92 | EFI_STRING_ID StringId;
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| 93 | //
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| 94 | // TimeOut for WARNING_IF
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| 95 | //
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| 96 | UINT8 TimeOut;
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| 97 | } STATEMENT_ERROR_INFO;
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| 98 |
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| 99 | /**
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| 100 | Perform value check for a question.
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| 101 |
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| 102 | @param Form Form where Statement is in.
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| 103 | @param Statement Value will check for it.
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| 104 | @param Value New value will be checked.
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| 105 |
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| 106 | @retval Status Value Status
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| 107 |
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| 108 | **/
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| 109 | typedef
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| 110 | UINT32
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| 111 | (EFIAPI *VALIDATE_QUESTION) (
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| 112 | IN FORM_DISPLAY_ENGINE_FORM *Form,
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| 113 | IN FORM_DISPLAY_ENGINE_STATEMENT *Statement,
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| 114 | IN EFI_HII_VALUE *Value,
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| 115 | OUT STATEMENT_ERROR_INFO *ErrorInfo
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| 116 | );
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| 117 |
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| 118 | /**
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| 119 | Perform Password check.
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| 120 | Passwork may be encrypted by driver that requires the specific check.
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| 121 |
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| 122 | @param Form Form where Password Statement is in.
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| 123 | @param Statement Password statement
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| 124 | @param PasswordString Password string to be checked. It may be NULL.
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| 125 | NULL means to restore password.
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| 126 | "" string can be used to checked whether old password does exist.
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| 127 |
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| 128 | @return Status Status of Password check.
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| 129 | **/
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| 130 | typedef
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| 131 | EFI_STATUS
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| 132 | (EFIAPI *PASSWORD_CHECK) (
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| 133 | IN FORM_DISPLAY_ENGINE_FORM *Form,
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| 134 | IN FORM_DISPLAY_ENGINE_STATEMENT *Statement,
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| 135 | IN EFI_STRING PasswordString OPTIONAL
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| 136 | );
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| 137 |
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| 138 | #define FORM_DISPLAY_ENGINE_STATEMENT_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'A')
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| 139 |
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| 140 | //
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| 141 | // Attribute for Statement and Form
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| 142 | //
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| 143 | #define HII_DISPLAY_NONE 0
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| 144 | #define HII_DISPLAY_GRAYOUT BIT0
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| 145 | #define HII_DISPLAY_LOCK BIT1
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| 146 | #define HII_DISPLAY_READONLY BIT2
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| 147 | #define HII_DISPLAY_MODAL BIT3
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| 148 | #define HII_DISPLAY_SUPPRESS BIT4
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| 149 |
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| 150 | struct _FORM_DISPLAY_ENGINE_STATEMENT{
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| 151 | UINTN Signature;
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| 152 | //
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| 153 | // Version for future structure extension
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| 154 | //
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| 155 | UINTN Version;
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| 156 | //
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| 157 | // link to all the statement which will show in the display form.
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| 158 | //
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| 159 | LIST_ENTRY DisplayLink;
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| 160 | //
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| 161 | // Pointer to statement opcode.
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| 162 | // for Guided Opcode. All buffers will be here if GUIDED opcode scope is set.
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| 163 | //
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| 164 | EFI_IFR_OP_HEADER *OpCode;
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| 165 | //
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| 166 | // Question CurrentValue
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| 167 | //
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| 168 | EFI_HII_VALUE CurrentValue;
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| 169 | //
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| 170 | // Flag to describe whether setting is changed or not.
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| 171 | // Displayer may depend on it to show it with the different color.
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| 172 | //
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| 173 | BOOLEAN SettingChangedFlag;
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| 174 | //
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| 175 | // nested Statement list inside of EFI_IFR_SUBTITLE
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| 176 | //
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| 177 | LIST_ENTRY NestStatementList;
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| 178 | //
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| 179 | // nested EFI_IFR_ONE_OF_OPTION list (QUESTION_OPTION)
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| 180 | //
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| 181 | LIST_ENTRY OptionListHead;
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| 182 | //
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| 183 | // Statement attributes: GRAYOUT, LOCK and READONLY
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| 184 | //
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| 185 | UINT32 Attribute;
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| 186 |
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| 187 | //
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| 188 | // ValidateQuestion to do InconsistIf check
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| 189 | // It may be NULL if any value is valid.
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| 190 | //
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| 191 | VALIDATE_QUESTION ValidateQuestion;
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| 192 |
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| 193 | //
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| 194 | // Password additional check. It may be NULL when the additional check is not required.
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| 195 | //
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| 196 | PASSWORD_CHECK PasswordCheck;
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| 197 |
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| 198 | //
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| 199 | // Statement ImageId and AnimationId
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| 200 | //
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| 201 | EFI_IMAGE_ID ImageId;
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| 202 | EFI_ANIMATION_ID AnimationId;
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| 203 | };
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| 204 |
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| 205 | #define FORM_DISPLAY_ENGINE_STATEMENT_FROM_LINK(a) CR (a, FORM_DISPLAY_ENGINE_STATEMENT, DisplayLink, FORM_DISPLAY_ENGINE_STATEMENT_SIGNATURE)
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| 206 |
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| 207 | #define BROWSER_HOT_KEY_SIGNATURE SIGNATURE_32 ('B', 'H', 'K', 'S')
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| 208 |
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| 209 | typedef struct {
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| 210 | UINTN Signature;
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| 211 | LIST_ENTRY Link;
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| 212 |
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| 213 | EFI_INPUT_KEY *KeyData;
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| 214 | //
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| 215 | // Action is Discard, Default, Submit, Reset and Exit.
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| 216 | //
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| 217 | UINT32 Action;
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| 218 | UINT16 DefaultId;
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| 219 | //
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| 220 | // HotKey Help String
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| 221 | //
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| 222 | EFI_STRING HelpString;
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| 223 | } BROWSER_HOT_KEY;
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| 224 |
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| 225 | #define BROWSER_HOT_KEY_FROM_LINK(a) CR (a, BROWSER_HOT_KEY, Link, BROWSER_HOT_KEY_SIGNATURE)
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| 226 |
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| 227 | #define FORM_DISPLAY_ENGINE_FORM_SIGNATURE SIGNATURE_32 ('F', 'F', 'R', 'M')
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| 228 |
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| 229 | struct _FORM_DISPLAY_ENGINE_FORM {
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| 230 | UINTN Signature;
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| 231 | //
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| 232 | // Version for future structure extension
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| 233 | //
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| 234 | UINTN Version;
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| 235 | //
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| 236 | // Statement List inside of Form
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| 237 | //
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| 238 | LIST_ENTRY StatementListHead;
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| 239 | //
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| 240 | // Statement List outside of Form
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| 241 | //
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| 242 | LIST_ENTRY StatementListOSF;
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| 243 | //
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| 244 | // The input screen dimenstions info.
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| 245 | //
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| 246 | EFI_SCREEN_DESCRIPTOR *ScreenDimensions;
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| 247 | //
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| 248 | // FormSet information
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| 249 | //
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| 250 | EFI_GUID FormSetGuid;
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| 251 | //
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| 252 | // HiiHandle can be used to get String, Image or Animation
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| 253 | //
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| 254 | EFI_HII_HANDLE HiiHandle;
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| 255 |
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| 256 | //
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| 257 | // Form ID and Title.
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| 258 | //
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| 259 | UINT16 FormId;
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| 260 | EFI_STRING_ID FormTitle;
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| 261 | //
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| 262 | // Form Attributes: Lock, Modal.
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| 263 | //
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| 264 | UINT32 Attribute;
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| 265 | //
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| 266 | // Flag to describe whether setting is changed or not.
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| 267 | // Displayer depends on it to show ChangedFlag.
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| 268 | //
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| 269 | BOOLEAN SettingChangedFlag;
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| 270 |
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| 271 | //
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| 272 | // Statement to be HighLighted
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| 273 | //
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| 274 | FORM_DISPLAY_ENGINE_STATEMENT *HighLightedStatement;
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| 275 | //
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| 276 | // Event to notify Displayer that FormData is updated to be refreshed.
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| 277 | //
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| 278 | EFI_EVENT FormRefreshEvent;
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| 279 | //
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| 280 | // Additional Hotkey registered by BrowserEx protocol.
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| 281 | //
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| 282 | LIST_ENTRY HotKeyListHead;
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| 283 |
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| 284 | //
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| 285 | // Form ImageId and AnimationId
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| 286 | //
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| 287 | EFI_IMAGE_ID ImageId;
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| 288 | EFI_ANIMATION_ID AnimationId;
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| 289 |
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| 290 | //
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| 291 | // If Status is error, display needs to handle it.
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| 292 | //
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| 293 | UINT32 BrowserStatus;
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| 294 | //
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| 295 | // String for error status. It may be NULL.
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| 296 | //
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| 297 | EFI_STRING ErrorString;
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| 298 | };
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| 299 |
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| 300 | #define FORM_DISPLAY_ENGINE_FORM_FROM_LINK(a) CR (a, FORM_DISPLAY_ENGINE_FORM, Link, FORM_DISPLAY_ENGINE_FORM_SIGNATURE)
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| 301 |
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| 302 | typedef struct {
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| 303 | FORM_DISPLAY_ENGINE_STATEMENT *SelectedStatement; // Selected Statement and InputValue
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| 304 |
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| 305 | EFI_HII_VALUE InputValue;
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| 306 |
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| 307 | UINT32 Action; // If SelectedStatement is NULL, Action will be used.
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| 308 | // Trig Action (Discard, Default, Submit, Reset and Exit)
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| 309 | UINT16 DefaultId;
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| 310 | } USER_INPUT;
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| 311 |
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| 312 | /**
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| 313 | Display one form, and return user input.
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| 314 |
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| 315 | @param FormData Form Data to be shown.
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| 316 | @param UserInputData User input data.
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| 317 |
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| 318 | @retval EFI_SUCCESS Form Data is shown, and user input is got.
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| 319 | **/
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| 320 | typedef
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| 321 | EFI_STATUS
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| 322 | (EFIAPI *FORM_DISPLAY) (
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| 323 | IN FORM_DISPLAY_ENGINE_FORM *FormData,
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| 324 | OUT USER_INPUT *UserInputData
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| 325 | );
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| 326 |
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| 327 | /**
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| 328 | Exit Display and Clear Screen to the original state.
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| 329 |
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| 330 | **/
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| 331 | typedef
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| 332 | VOID
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| 333 | (EFIAPI *EXIT_DISPLAY) (
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| 334 | VOID
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| 335 | );
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| 336 |
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| 337 | /**
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| 338 | Confirm how to handle the changed data.
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| 339 |
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| 340 | @return Action of Submit, Discard and None
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| 341 | **/
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| 342 | typedef
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| 343 | UINTN
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| 344 | (EFIAPI *CONFIRM_DATA_CHANGE) (
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| 345 | VOID
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| 346 | );
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| 347 |
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| 348 | typedef struct {
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| 349 | FORM_DISPLAY FormDisplay;
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| 350 | EXIT_DISPLAY ExitDisplay;
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| 351 | CONFIRM_DATA_CHANGE ConfirmDataChange;
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| 352 | } EDKII_FORM_DISPLAY_ENGINE_PROTOCOL;
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| 353 |
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| 354 | extern EFI_GUID gEdkiiFormDisplayEngineProtocolGuid;
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| 355 | #endif
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