/** @file
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This file include board specific boot manager callbacks
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Copyright (c) 2019, 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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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/PlatformBootManagerLib.h>
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#include <Library/UefiLib.h>
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#include <Library/HobLib.h>
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#include <Library/PrintLib.h>
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#include <Library/PerformanceLib.h>
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#include <Library/BoardBootManagerLib.h>
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BOOLEAN mHotKeypressed = FALSE;
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EFI_EVENT HotKeyEvent = NULL;
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UINTN mBootMenuOptionNumber;
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/**
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This function is called each second during the boot manager waits timeout.
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@param TimeoutRemain The remaining timeout.
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**/
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VOID
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EFIAPI
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BoardBootManagerWaitCallback (
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UINT16 TimeoutRemain
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)
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{
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EFI_STATUS Status;
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EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *TxtInEx;
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EFI_KEY_DATA KeyData;
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BOOLEAN PausePressed;
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//
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// Pause on PAUSE key
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//
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Status = gBS->HandleProtocol (gST->ConsoleInHandle, &gEfiSimpleTextInputExProtocolGuid, (VOID **) &TxtInEx);
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ASSERT_EFI_ERROR (Status);
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PausePressed = FALSE;
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while (TRUE) {
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Status = TxtInEx->ReadKeyStrokeEx (TxtInEx, &KeyData);
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if (EFI_ERROR (Status)) {
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break;
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}
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if (KeyData.Key.ScanCode == SCAN_PAUSE) {
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PausePressed = TRUE;
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break;
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}
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}
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//
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// Loop until non-PAUSE key pressed
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//
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while (PausePressed) {
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Status = TxtInEx->ReadKeyStrokeEx (TxtInEx, &KeyData);
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if (!EFI_ERROR (Status)) {
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DEBUG ((
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DEBUG_INFO, "[PauseCallback] %x/%x %x/%x\n",
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KeyData.Key.ScanCode, KeyData.Key.UnicodeChar,
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KeyData.KeyState.KeyShiftState, KeyData.KeyState.KeyToggleState
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));
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PausePressed = (BOOLEAN) (KeyData.Key.ScanCode == SCAN_PAUSE);
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}
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}
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}
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/**
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The function is called when no boot option could be launched,
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including platform recovery options and options pointing to applications
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built into firmware volumes.
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If this function returns, BDS attempts to enter an infinite loop.
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**/
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VOID
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EFIAPI
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BoardBootManagerUnableToBoot (
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VOID
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)
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{
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EFI_STATUS Status;
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EFI_BOOT_MANAGER_LOAD_OPTION BootDeviceList;
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CHAR16 OptionName[sizeof ("Boot####")];
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if (mBootMenuOptionNumber == LoadOptionNumberUnassigned) {
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return;
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}
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UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", mBootMenuOptionNumber);
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Status = EfiBootManagerVariableToLoadOption (OptionName, &BootDeviceList);
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if (EFI_ERROR (Status)) {
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return;
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}
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for (;;) {
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EfiBootManagerBoot (&BootDeviceList);
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}
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}
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