mirror of https://github.com/acidanthera/audk.git
62 lines
1.5 KiB
C
62 lines
1.5 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 - 2013, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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 SET_BOOT_OPTION_SUPPORT_KEY_COUNT(a, c) { \
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(a) = ((a) & ~EFI_BOOT_OPTION_SUPPORT_COUNT) | (((c) << LowBitSet32 (EFI_BOOT_OPTION_SUPPORT_COUNT)) & EFI_BOOT_OPTION_SUPPORT_COUNT); \
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}
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#define BDS_HOTKEY_OPTION_SIGNATURE 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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VOID *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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/**
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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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/**
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Try to boot the boot option triggered by hotkey.
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@retval EFI_SUCCESS There is HotkeyBootOption & it is processed
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@retval EFI_NOT_FOUND There is no HotkeyBootOption
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**/
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EFI_STATUS
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HotkeyBoot (
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VOID
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);
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#endif
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