mirror of https://github.com/acidanthera/audk.git
1264 lines
32 KiB
C
1264 lines
32 KiB
C
/** @file
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The file contain all library function for Ifr Operations.
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Copyright (c) 2006 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __IFRSUPPORTLIBRARY_H__
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#define __IFRSUPPORTLIBRARY_H__
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#define DEFAULT_FORM_BUFFER_SIZE 0xFFFF
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#define DEFAULT_STRING_BUFFER_SIZE 0xFFFF
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#pragma pack(1)
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typedef struct {
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CHAR16 *OptionString; // Passed in string to generate a token for in a truly dynamic form creation
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STRING_REF StringToken; // This is used when creating a single op-code without generating a StringToken (have one already)
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UINT16 Value;
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UINT8 Flags;
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UINT16 Key;
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} IFR_OPTION;
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#pragma pack()
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EFI_STATUS
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GetCurrentLanguage (
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OUT CHAR16 *Lang
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)
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/*++
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Routine Description:
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Determine what is the current language setting
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Arguments:
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Lang - Pointer of system language
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Returns:
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Status code
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--*/
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;
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EFI_STATUS
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AddString (
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IN VOID *StringBuffer,
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IN CHAR16 *Language,
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IN CHAR16 *String,
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IN OUT STRING_REF *StringToken
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)
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/*++
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Routine Description:
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Add a string to the incoming buffer and return the token and offset data
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Arguments:
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StringBuffer - The incoming buffer
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Language - Currrent language
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String - The string to be added
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StringToken - The index where the string placed
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Returns:
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EFI_OUT_OF_RESOURCES - No enough buffer to allocate
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EFI_SUCCESS - String successfully added to the incoming buffer
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--*/
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;
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EFI_STATUS
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AddOpCode (
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IN VOID *FormBuffer,
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IN OUT VOID *OpCodeData
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)
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/*++
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Routine Description:
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Add op-code data to the FormBuffer
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Arguments:
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FormBuffer - Form buffer to be inserted to
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OpCodeData - Op-code data to be inserted
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Returns:
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EFI_OUT_OF_RESOURCES - No enough buffer to allocate
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EFI_SUCCESS - Op-code data successfully inserted
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--*/
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;
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EFI_STATUS
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CreateFormSet (
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IN CHAR16 *FormSetTitle,
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IN EFI_GUID *Guid,
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IN UINT8 Class,
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IN UINT8 SubClass,
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IN OUT VOID **FormBuffer,
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IN OUT VOID **StringBuffer
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)
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/*++
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Routine Description:
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Create a formset
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Arguments:
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FormSetTitle - Title of formset
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Guid - Guid of formset
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Class - Class of formset
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SubClass - Sub class of formset
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FormBuffer - Pointer of the formset created
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StringBuffer - Pointer of FormSetTitile string created
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Returns:
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EFI_OUT_OF_RESOURCES - No enough buffer to allocate
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EFI_SUCCESS - Formset successfully created
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--*/
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;
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EFI_STATUS
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CreateForm (
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IN CHAR16 *FormTitle,
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IN UINT16 FormId,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a form
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Arguments:
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FormTitle - Title of the form
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FormId - Id of the form
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FormBuffer - Pointer of the form created
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StringBuffer - Pointer of FormTitil string created
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Returns:
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EFI_SUCCESS - Form successfully created
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--*/
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;
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EFI_STATUS
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CreateSubTitle (
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IN CHAR16 *SubTitle,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a SubTitle
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Arguments:
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SubTitle - Sub title to be created
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FormBuffer - Where this subtitle to add to
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StringBuffer - String buffer created for subtitle
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Returns:
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EFI_SUCCESS - Subtitle successfully created
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--*/
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;
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EFI_STATUS
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CreateText (
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IN CHAR16 *String,
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IN CHAR16 *String2,
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IN CHAR16 *String3,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a line of text
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Arguments:
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String - First string of the text
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String2 - Second string of the text
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String3 - Help string of the text
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Flags - Flag of the text
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Key - Key of the text
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FormBuffer - The form where this text adds to
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StringBuffer - String buffer created for String, String2 and String3
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Returns:
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EFI_SUCCESS - Text successfully created
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--*/
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;
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EFI_STATUS
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CreateGoto (
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IN UINT16 FormId,
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IN CHAR16 *Prompt,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a hyperlink
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Arguments:
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FormId - Form ID of the hyperlink
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Prompt - Prompt of the hyperlink
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FormBuffer - The form where this hyperlink adds to
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StringBuffer - String buffer created for Prompt
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Returns:
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EFI_SUCCESS - Hyperlink successfully created
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--*/
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;
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EFI_STATUS
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CreateOneOf (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN IFR_OPTION *OptionsList,
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IN UINTN OptionCount,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a one-of question with a set of options to choose from. The
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OptionsList is a pointer to a null-terminated list of option descriptions.
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Arguments:
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QuestionId - Question ID of the one-of box
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DataWidth - DataWidth of the one-of box
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Prompt - Prompt of the one-of box
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Help - Help of the one-of box
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OptionsList - Each string in it is an option of the one-of box
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OptionCount - Option string count
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FormBuffer - The form where this one-of box adds to
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StringBuffer - String buffer created for Prompt, Help and Option strings
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Returns:
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EFI_DEVICE_ERROR - DataWidth > 2
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EFI_SUCCESS - One-Of box successfully created.
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--*/
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;
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EFI_STATUS
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CreateOrderedList (
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IN UINT16 QuestionId,
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IN UINT8 MaxEntries,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN IFR_OPTION *OptionsList,
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IN UINTN OptionCount,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a one-of question with a set of options to choose from. The
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OptionsList is a pointer to a null-terminated list of option descriptions.
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Arguments:
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QuestionId - Question ID of the ordered list
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MaxEntries - MaxEntries of the ordered list
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Prompt - Prompt of the ordered list
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Help - Help of the ordered list
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OptionsList - Each string in it is an option of the ordered list
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OptionCount - Option string count
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FormBuffer - The form where this ordered list adds to
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StringBuffer - String buffer created for Prompt, Help and Option strings
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Returns:
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EFI_SUCCESS - Ordered list successfully created.
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--*/
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;
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EFI_STATUS
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CreateCheckBox (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN UINT8 Flags,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a checkbox
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Arguments:
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QuestionId - Question ID of the check box
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DataWidth - DataWidth of the check box
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Prompt - Prompt of the check box
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Help - Help of the check box
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Flags - Flags of the check box
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FormBuffer - The form where this check box adds to
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StringBuffer - String buffer created for Prompt and Help.
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Returns:
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EFI_DEVICE_ERROR - DataWidth > 1
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EFI_SUCCESS - Check box successfully created
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--*/
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;
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EFI_STATUS
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CreateNumeric (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN UINT16 Minimum,
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IN UINT16 Maximum,
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IN UINT16 Step,
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IN UINT16 Default,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a numeric
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Arguments:
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QuestionId - Question ID of the numeric
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DataWidth - DataWidth of the numeric
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Prompt - Prompt of the numeric
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Help - Help of the numeric
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Minimum - Minumun boundary of the numeric
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Maximum - Maximum boundary of the numeric
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Step - Step of the numeric
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Default - Default value
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Flags - Flags of the numeric
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Key - Key of the numeric
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FormBuffer - The form where this numeric adds to
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StringBuffer - String buffer created for Prompt and Help.
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Returns:
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EFI_DEVICE_ERROR - DataWidth > 2
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EFI_SUCCESS - Numeric is successfully created
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--*/
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;
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EFI_STATUS
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CreateString (
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IN UINT16 QuestionId,
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IN UINT8 DataWidth,
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IN CHAR16 *Prompt,
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IN CHAR16 *Help,
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IN UINT8 MinSize,
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IN UINT8 MaxSize,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer,
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IN OUT VOID *StringBuffer
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)
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/*++
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Routine Description:
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Create a string
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Arguments:
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QuestionId - Question ID of the string
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DataWidth - DataWidth of the string
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Prompt - Prompt of the string
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Help - Help of the string
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MinSize - Min size boundary of the string
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MaxSize - Max size boundary of the string
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Flags - Flags of the string
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Key - Key of the string
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FormBuffer - The form where this string adds to
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StringBuffer - String buffer created for Prompt and Help.
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Returns:
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EFI_SUCCESS - String successfully created.
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--*/
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;
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EFI_STATUS
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ExtractDataFromHiiHandle (
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IN EFI_HII_HANDLE HiiHandle,
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IN OUT UINT16 *ImageLength,
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OUT UINT8 *DefaultImage,
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OUT EFI_GUID *Guid
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)
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/*++
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Routine Description:
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Extract information pertaining to the HiiHandle
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Arguments:
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HiiHandle - Hii handle
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ImageLength - For input, length of DefaultImage;
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For output, length of actually required
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DefaultImage - Image buffer prepared by caller
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Guid - Guid information about the form
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Returns:
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EFI_OUT_OF_RESOURCES - No enough buffer to allocate
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EFI_BUFFER_TOO_SMALL - DefualtImage has no enough ImageLength
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EFI_SUCCESS - Successfully extract data from Hii database.
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--*/
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;
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EFI_HII_HANDLE
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FindHiiHandle (
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IN OUT EFI_HII_PROTOCOL **HiiProtocol, OPTIONAL
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IN EFI_GUID *Guid
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)
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/*++
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Routine Description:
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Finds HII handle for given pack GUID previously registered with the HII.
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Arguments:
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HiiProtocol - pointer to pointer to HII protocol interface.
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If NULL, the interface will be found but not returned.
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If it points to NULL, the interface will be found and
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written back to the pointer that is pointed to.
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Guid - The GUID of the pack that registered with the HII.
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Returns:
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Handle to the HII pack previously registered by the memory driver.
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--*/
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;
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EFI_STATUS
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CreateSubTitleOpCode (
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IN STRING_REF StringToken,
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IN OUT VOID *FormBuffer
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)
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/*++
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Routine Description:
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Create a SubTitle opcode independent of string creation
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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location to pre-defined forms in HII)
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Arguments:
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StringToken - StringToken of the subtitle
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FormBuffer - Output of subtitle as a form
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Returns:
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EFI_SUCCESS - Subtitle created to be a form
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--*/
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;
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EFI_STATUS
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CreateTextOpCode (
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IN STRING_REF StringToken,
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IN STRING_REF StringTokenTwo,
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IN STRING_REF StringTokenThree,
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IN UINT8 Flags,
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IN UINT16 Key,
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IN OUT VOID *FormBuffer
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)
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/*++
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Routine Description:
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Create a Text opcode independent of string creation
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
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location to pre-defined forms in HII)
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Arguments:
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StringToken - First string token of the text
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StringTokenTwo - Second string token of the text
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StringTokenThree - Help string token of the text
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Flags - Flag of the text
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Key - Key of the text
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FormBuffer - Output of text as a form
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Returns:
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EFI_SUCCESS - Text created to be a form
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--*/
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;
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|
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EFI_STATUS
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CreateGotoOpCode (
|
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IN UINT16 FormId,
|
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IN STRING_REF StringToken,
|
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IN STRING_REF StringTokenTwo,
|
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IN UINT8 Flags,
|
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IN UINT16 Key,
|
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IN OUT VOID *FormBuffer
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)
|
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/*++
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Routine Description:
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Create a hyperlink opcode independent of string creation
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This is used primarily by users who need to create just one particular valid op-code and the string
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data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
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Arguments:
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FormId - Form ID of the hyperlink
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StringToken - Prompt string token of the hyperlink
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StringTokenTwo - Help string token of the hyperlink
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Flags - Flags of the hyperlink
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Key - Key of the hyperlink
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FormBuffer - Output of hyperlink as a form
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Returns:
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EFI_SUCCESS - Hyperlink created to be a form
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--*/
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;
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|
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EFI_STATUS
|
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CreateOneOfOpCode (
|
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IN UINT16 QuestionId,
|
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IN UINT8 DataWidth,
|
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IN STRING_REF PromptToken,
|
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IN STRING_REF HelpToken,
|
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IN IFR_OPTION *OptionsList,
|
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IN UINTN OptionCount,
|
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IN OUT VOID *FormBuffer
|
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)
|
|
/*++
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|
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Routine Description:
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|
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|
Create a one-of opcode with a set of option op-codes to choose from independent of string creation.
|
|
This is used primarily by users who need to create just one particular valid op-code and the string
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|
data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
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|
|
|
OptionsList is a pointer to a null-terminated list of option descriptions. Ensure that OptionsList[x].StringToken
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has been filled in since this routine will not generate StringToken values.
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|
|
Arguments:
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|
|
QuestionId - Question ID of the one-of box
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|
|
|
DataWidth - DataWidth of the one-of box
|
|
|
|
PromptToken - Prompt string token of the one-of box
|
|
|
|
HelpToken - Help string token of the one-of box
|
|
|
|
OptionsList - Each string in it is an option of the one-of box
|
|
|
|
OptionCount - Option string count
|
|
|
|
FormBuffer - Output of One-Of box as a form
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - One-Of box created to be a form
|
|
|
|
EFI_DEVICE_ERROR - DataWidth > 2
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
CreateOrderedListOpCode (
|
|
IN UINT16 QuestionId,
|
|
IN UINT8 MaxEntries,
|
|
IN STRING_REF PromptToken,
|
|
IN STRING_REF HelpToken,
|
|
IN IFR_OPTION *OptionsList,
|
|
IN UINTN OptionCount,
|
|
IN OUT VOID *FormBuffer
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Create a ordered list opcode with a set of option op-codes to choose from independent of string creation.
|
|
This is used primarily by users who need to create just one particular valid op-code and the string
|
|
data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
|
|
|
|
OptionsList is a pointer to a null-terminated list of option descriptions. Ensure that OptionsList[x].StringToken
|
|
has been filled in since this routine will not generate StringToken values.
|
|
|
|
Arguments:
|
|
|
|
QuestionId - Question ID of the ordered list
|
|
|
|
MaxEntries - MaxEntries of the ordered list
|
|
|
|
PromptToken - Prompt string token of the ordered list
|
|
|
|
HelpToken - Help string token of the ordered list
|
|
|
|
OptionsList - Each string in it is an option of the ordered list
|
|
|
|
OptionCount - Option string count
|
|
|
|
FormBuffer - Output of ordered list as a form
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - Ordered list created to be a form
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
CreateCheckBoxOpCode (
|
|
IN UINT16 QuestionId,
|
|
IN UINT8 DataWidth,
|
|
IN STRING_REF PromptToken,
|
|
IN STRING_REF HelpToken,
|
|
IN UINT8 Flags,
|
|
IN UINT16 Key,
|
|
IN OUT VOID *FormBuffer
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Create a checkbox opcode independent of string creation
|
|
This is used primarily by users who need to create just one particular valid op-code and the string
|
|
data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
|
|
|
|
Arguments:
|
|
|
|
QuestionId - Question ID of the check box
|
|
|
|
DataWidth - DataWidth of the check box
|
|
|
|
PromptToken - Prompt string token of the check box
|
|
|
|
HelpToken - Help string token of the check box
|
|
|
|
Flags - Flags of the check box
|
|
|
|
Key - Key of the check box
|
|
|
|
FormBuffer - Output of the check box as a form
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - Checkbox created to be a form
|
|
|
|
EFI_DEVICE_ERROR - DataWidth > 1
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
CreateNumericOpCode (
|
|
IN UINT16 QuestionId,
|
|
IN UINT8 DataWidth,
|
|
IN STRING_REF PromptToken,
|
|
IN STRING_REF HelpToken,
|
|
IN UINT16 Minimum,
|
|
IN UINT16 Maximum,
|
|
IN UINT16 Step,
|
|
IN UINT16 Default,
|
|
IN UINT8 Flags,
|
|
IN UINT16 Key,
|
|
IN OUT VOID *FormBuffer
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Create a numeric opcode independent of string creation
|
|
This is used primarily by users who need to create just one particular valid op-code and the string
|
|
data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
|
|
|
|
Arguments:
|
|
|
|
QuestionId - Question ID of the numeric
|
|
|
|
DataWidth - DataWidth of the numeric
|
|
|
|
PromptToken - Prompt string token of the numeric
|
|
|
|
HelpToken - Help string token of the numeric
|
|
|
|
Minimum - Minumun boundary of the numeric
|
|
|
|
Maximum - Maximum boundary of the numeric
|
|
|
|
Step - Step of the numeric
|
|
|
|
Default - Default value of the numeric
|
|
|
|
Flags - Flags of the numeric
|
|
|
|
Key - Key of the numeric
|
|
|
|
FormBuffer - Output of the numeric as a form
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - The numeric created to be a form.
|
|
|
|
EFI_DEVICE_ERROR - DataWidth > 2
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
CreateStringOpCode (
|
|
IN UINT16 QuestionId,
|
|
IN UINT8 DataWidth,
|
|
IN STRING_REF PromptToken,
|
|
IN STRING_REF HelpToken,
|
|
IN UINT8 MinSize,
|
|
IN UINT8 MaxSize,
|
|
IN UINT8 Flags,
|
|
IN UINT16 Key,
|
|
IN OUT VOID *FormBuffer
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Create a numeric opcode independent of string creation
|
|
This is used primarily by users who need to create just one particular valid op-code and the string
|
|
data will be assumed to exist in the HiiDatabase already. (Useful when exporting op-codes at a label
|
|
location to pre-defined forms in HII)
|
|
|
|
Arguments:
|
|
|
|
QuestionId - Question ID of the string
|
|
|
|
DataWidth - DataWidth of the string
|
|
|
|
PromptToken - Prompt token of the string
|
|
|
|
HelpToken - Help token of the string
|
|
|
|
MinSize - Min size boundary of the string
|
|
|
|
MaxSize - Max size boundary of the string
|
|
|
|
Flags - Flags of the string
|
|
|
|
Key - Key of the string
|
|
|
|
FormBuffer - Output of the string as a form
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - String created to be a form.
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
ValidateDataFromHiiHandle (
|
|
IN EFI_HII_HANDLE HiiHandle,
|
|
OUT BOOLEAN *Results
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Validate that the data associated with the HiiHandle in NVRAM is within
|
|
the reasonable parameters for that FormSet. Values for strings and passwords
|
|
are not verified due to their not having the equivalent of valid range settings.
|
|
|
|
Arguments:
|
|
|
|
HiiHandle - Handle of the HII database entry to query
|
|
|
|
Results - If return Status is EFI_SUCCESS, Results provides valid data
|
|
TRUE = NVRAM Data is within parameters
|
|
FALSE = NVRAM Data is NOT within parameters
|
|
|
|
Returns:
|
|
|
|
EFI_OUT_OF_RESOURCES - No enough buffer to allocate
|
|
|
|
EFI_SUCCESS - Data successfully validated
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
CreateBannerOpCode (
|
|
IN UINT16 Title,
|
|
IN UINT16 LineNumber,
|
|
IN UINT8 Alignment,
|
|
IN OUT VOID *FormBuffer
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Create a banner opcode. This is primarily used by the FrontPage implementation from BDS.
|
|
|
|
Arguments:
|
|
|
|
Title - Title of the banner
|
|
|
|
LineNumber - LineNumber of the banner
|
|
|
|
Alignment - Alignment of the banner
|
|
|
|
FormBuffer - Output of banner as a form
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - Banner created to be a form.
|
|
|
|
--*/
|
|
;
|
|
|
|
VOID
|
|
EfiLibHiiVariablePackGetMap (
|
|
IN EFI_HII_VARIABLE_PACK *Pack,
|
|
OUT CHAR16 **Name, OPTIONAL
|
|
OUT EFI_GUID **Guid, OPTIONAL
|
|
OUT UINT16 *Id, OPTIONAL
|
|
OUT VOID **Var, OPTIONAL
|
|
OUT UINTN *Size OPTIONAL
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Extracts a variable form a Pack.
|
|
|
|
Arguments:
|
|
|
|
Pack - List of variables
|
|
Name - Name of the variable/map
|
|
Guid - GUID of the variable/map
|
|
Var - Pointer to the variable/map
|
|
Size - Size of the variable/map in bytes
|
|
|
|
Returns:
|
|
|
|
VOID.
|
|
|
|
--*/
|
|
;
|
|
|
|
UINTN
|
|
EfiLibHiiVariablePackListGetMapCnt (
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Finds a count of the variables/maps in the List.
|
|
|
|
Arguments:
|
|
|
|
List - List of variables
|
|
|
|
Returns:
|
|
|
|
Number of Map in the variable pack list.
|
|
|
|
--*/
|
|
;
|
|
|
|
typedef VOID (EFI_LIB_HII_VARIABLE_PACK_LIST_CALLBACK) (
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINT16 Id,
|
|
IN VOID *Var,
|
|
IN UINTN Size
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
type definition for the callback to be
|
|
used with EfiLibHiiVariablePackListForEachVar().
|
|
|
|
Arguments:
|
|
|
|
Id - Variable/Map ID
|
|
Name - Name of the variable/map
|
|
Guid - GUID of the variable/map
|
|
Var - Pointer to the variable/map
|
|
Size - Size of the variable/map in bytes
|
|
|
|
Returns:
|
|
|
|
VOID
|
|
|
|
--*/
|
|
;
|
|
|
|
VOID
|
|
EfiLibHiiVariablePackListForEachVar (
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
IN EFI_LIB_HII_VARIABLE_PACK_LIST_CALLBACK *Callback
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Will iterate all variable/maps as appearing
|
|
in List and for each, it will call the Callback.
|
|
|
|
Arguments:
|
|
|
|
List - List of variables
|
|
Callback - Routine to be called for each iterated variable.
|
|
|
|
Returns:
|
|
|
|
VOID
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
EfiLibHiiVariablePackListGetMapByIdx (
|
|
IN UINTN Idx,
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
OUT CHAR16 **Name, OPTIONAL
|
|
OUT EFI_GUID **Guid, OPTIONAL
|
|
OUT UINT16 *Id, OPTIONAL
|
|
OUT VOID **Var,
|
|
OUT UINTN *Size
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Finds a variable form List given
|
|
the order number as appears in the List.
|
|
|
|
Arguments:
|
|
|
|
Idx - The index of the variable/map to retrieve
|
|
List - List of variables
|
|
Name - Name of the variable/map
|
|
Guid - GUID of the variable/map
|
|
Var - Pointer to the variable/map
|
|
Size - Size of the variable/map in bytes
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - Variable is found, OUT parameters are valid
|
|
EFI_NOT_FOUND - Variable is not found, OUT parameters are not valid
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
EfiLibHiiVariablePackListGetMapById (
|
|
IN UINT16 Id,
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
OUT CHAR16 **Name, OPTIONAL
|
|
OUT EFI_GUID **Guid, OPTIONAL
|
|
OUT VOID **Var,
|
|
OUT UINTN *Size
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Finds a variable form List given the
|
|
order number as appears in the List.
|
|
|
|
Arguments:
|
|
|
|
Id - The ID of the variable/map to retrieve
|
|
List - List of variables
|
|
Name - Name of the variable/map
|
|
Guid - GUID of the variable/map
|
|
Var - Pointer to the variable/map
|
|
Size - Size of the variable/map in bytes
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - Variable is found, OUT parameters are valid
|
|
EFI_NOT_FOUND - Variable is not found, OUT parameters are not valid
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
EfiLibHiiVariablePackListGetMap (
|
|
IN EFI_HII_VARIABLE_PACK_LIST *List,
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
OUT UINT16 *Id,
|
|
OUT VOID **Var,
|
|
OUT UINTN *Size
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Finds a variable form EFI_HII_VARIABLE_PACK_LIST given name and GUID.
|
|
|
|
Arguments:
|
|
|
|
List - List of variables
|
|
Name - Name of the variable/map to be found
|
|
Guid - GUID of the variable/map to be found
|
|
Var - Pointer to the variable/map found
|
|
Size - Size of the variable/map in bytes found
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS - variable is found, OUT parameters are valid
|
|
EFI_NOT_FOUND - variable is not found, OUT parameters are not valid
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
EfiLibHiiVariableRetrieveFromNv (
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINTN Size,
|
|
OUT VOID **Var
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Finds out if a variable of specific Name/Guid/Size exists in NV.
|
|
If it does, it will retrieve it into the Var.
|
|
|
|
Arguments:
|
|
Name, Guid, Size - Parameters of the variable to retrieve. Must match exactly.
|
|
Var - Variable will be retrieved into buffer pointed by this pointer.
|
|
If pointing to NULL, the buffer will be allocated. Caller is responsible for releasing the buffer.
|
|
Returns:
|
|
EFI_SUCCESS - The variable of exact Name/Guid/Size parameters was retrieved and written to Var.
|
|
EFI_NOT_FOUND - The variable of this Name/Guid was not found in the NV.
|
|
EFI_LOAD_ERROR - The variable in the NV was of different size, or NV API returned error.
|
|
|
|
--*/
|
|
;
|
|
|
|
////
|
|
//// Variable override support.
|
|
////
|
|
|
|
EFI_STATUS
|
|
EfiLibHiiVariableOverrideIfSuffix (
|
|
IN CHAR16 *Suffix,
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINTN Size,
|
|
OUT VOID *Var
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Overrrides the variable with NV data if found.
|
|
But it only does it if the Name ends with specified Suffix.
|
|
For example, if Suffix="MyOverride" and the Name="XyzSetupMyOverride",
|
|
the Suffix matches the end of Name, so the variable will be loaded from NV
|
|
provided the variable exists and the GUID and Size matches.
|
|
|
|
Arguments:
|
|
Suffix - Suffix the Name should end with.
|
|
Name, Guid, Size - Parameters of the variable to retrieve. Must match exactly.
|
|
Var - Variable will be retrieved into this buffer.
|
|
Caller is responsible for providing storage of exactly Size size in bytes.
|
|
Returns:
|
|
EFI_SUCCESS - The variable was overriden with NV variable of same Name/Guid/Size.
|
|
EFI_INVALID_PARAMETER - The name of the variable does not end with <Suffix>.
|
|
EFI_NOT_FOUND - The variable of this Name/Guid was not found in the NV.
|
|
EFI_LOAD_ERROR - The variable in the NV was of different size, or NV API returned error.
|
|
|
|
--*/
|
|
;
|
|
|
|
EFI_STATUS
|
|
EfiLibHiiVariableOverrideBySuffix (
|
|
IN CHAR16 *Suffix,
|
|
IN CHAR16 *Name,
|
|
IN EFI_GUID *Guid,
|
|
IN UINTN Size,
|
|
OUT VOID *Var
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Overrrides the variable with NV data if found.
|
|
But it only does it if the NV contains the same variable with Name is appended with Suffix.
|
|
For example, if Suffix="MyOverride" and the Name="XyzSetup",
|
|
the Suffix will be appended to the end of Name, and the variable with Name="XyzSetupMyOverride"
|
|
will be loaded from NV provided the variable exists and the GUID and Size matches.
|
|
|
|
Arguments:
|
|
Suffix - Suffix the variable will be appended with.
|
|
Name, Guid, Size - Parameters of the variable to retrieve. Must match exactly.
|
|
Var - Variable will be retrieved into this buffer.
|
|
Caller is responsible for providing storage of exactly Size size in bytes.
|
|
|
|
Returns:
|
|
EFI_SUCCESS - The variable was overriden with NV variable of same Name/Guid/Size.
|
|
EFI_NOT_FOUND - The variable of this Name/Guid was not found in the NV.
|
|
EFI_LOAD_ERROR - The variable in the NV was of different size, or NV API returned error.
|
|
|
|
--*/
|
|
;
|
|
|
|
#endif
|