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ed66e1bc0d
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5820 6f19259b-4bc3-4df7-8a09-765794883524
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/** @file
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Provides a way for 3rd party applications to register themselves for launch by the
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Boot Manager based on hot key
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Copyright (c) 2007 - 2008, Intel Corporation. <BR>
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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 _HOTKEY_H_
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#define _HOTKEY_H_
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#include "Bds.h"
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#include "String.h"
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#define GET_KEY_CODE_COUNT(KeyOptions) (((KeyOptions) & EFI_KEY_CODE_COUNT) >> 8)
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#define BDS_HOTKEY_OPTION_SIGNATURE EFI_SIGNATURE_32 ('B', 'd', 'K', 'O')
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typedef struct {
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UINTN Signature;
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LIST_ENTRY Link;
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EFI_HANDLE NotifyHandle;
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UINT16 BootOptionNumber;
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UINT8 CodeCount;
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UINT8 WaitingKey;
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EFI_KEY_DATA KeyData[3];
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} BDS_HOTKEY_OPTION;
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#define BDS_HOTKEY_OPTION_FROM_LINK(a) CR (a, BDS_HOTKEY_OPTION, Link, BDS_HOTKEY_OPTION_SIGNATURE)
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#define VAR_KEY_ORDER L"KeyOrder"
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/**
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Create Key#### for the given hotkey.
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@param KeyOption - The Hot Key Option to be added.
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@param KeyOptionNumber - The key option number for Key#### (optional).
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@retval EFI_SUCCESS Register hotkey successfully.
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@retval EFI_INVALID_PARAMETER The hotkey option is invalid.
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**/
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EFI_STATUS
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RegisterHotkey (
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IN EFI_KEY_OPTION *KeyOption,
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OUT UINT16 *KeyOptionNumber
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);
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/**
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Delete Key#### for the given Key Option number.
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@param KeyOptionNumber - Key option number for Key####
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@retval EFI_SUCCESS Unregister hotkey successfully.
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@retval EFI_NOT_FOUND No Key#### is found for the given Key Option number.
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**/
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EFI_STATUS
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UnregisterHotkey (
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IN UINT16 KeyOptionNumber
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);
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/**
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Process all the "Key####" variables, associate Hotkeys with corresponding Boot Options.
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@param VOID
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@retval EFI_SUCCESS Hotkey services successfully initialized.
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**/
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EFI_STATUS
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InitializeHotkeyService (
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VOID
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);
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#endif
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