CloverBootloader/rEFIt_UEFI/entry_scan/uefibootoption.cpp
2020-02-17 23:41:09 +03:00

110 lines
3.7 KiB
C++

/*
* refit/scan/uefibootoption.c
*
* Copyright (c) 2006-2010 Christoph Pfisterer
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Christoph Pfisterer nor the names of the
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
VOID AddUEFIBootOption(BO_BOOT_OPTION *bootOption)
{
UINTN volumeIndex;
REFIT_VOLUME *volume;
EFI_DEVICE_PATH_PROTOCOL *devPathNode;
LOADER_ENTRY *loaderEntry;
FILEPATH_DEVICE_PATH *loaderDevicePath;
CHAR16 *loaderPath;
CHAR16 *bootParams;
CHAR16 *title;
EFI_GUID *volumeGUID;
EFI_GUID *bootGUID;
for (volumeIndex = 0; volumeIndex < VolumesCount; volumeIndex++) {
volume = Volumes[volumeIndex];
volumeGUID = FindGPTPartitionGuidInDevicePath(volume->DevicePath);
bootGUID = FindGPTPartitionGuidInDevicePath(bootOption->FilePathList);
if (!volumeGUID || !bootGUID || !CompareGuid(volumeGUID, bootGUID)) continue;
devPathNode = bootOption->FilePathList;
loaderDevicePath = (FILEPATH_DEVICE_PATH *) FindDevicePathNodeWithType(devPathNode, MEDIA_DEVICE_PATH,
MEDIA_FILEPATH_DP);
if (!loaderDevicePath) continue;
loaderPath = loaderDevicePath->PathName;
bootParams = (CHAR16 *) bootOption->OptionalData;
title = bootOption->Description;
volume->OSIconName = L"unknown";
volume->BootType = BOOTING_BY_EFI;
loaderEntry = AddLoaderEntry(loaderPath, title, volume, OSTYPE_EFI);
loaderEntry->LoadOptions = EfiStrDuplicate(bootParams);
}
}
VOID ScanUEFIBootOptions(BOOLEAN allBootOptions)
{
EFI_STATUS status;
UINT16 *bootOrder;
UINTN bootOrderCnt;
UINT16 i;
BO_BOOT_OPTION bootOption;
DBG("Scanning boot options from UEFI ...\n");
if (allBootOptions) {
for (i = 0; i <= 0xFFFF; i++) {
status = GetBootOption(i, &bootOption);
if (EFI_ERROR(status)) continue;
AddUEFIBootOption(&bootOption);
FreePool(bootOption.Variable);
}
} else {
status = GetBootOrder(&bootOrder, &bootOrderCnt);
if (EFI_ERROR(status)) return;
for (i = 0; i < bootOrderCnt; i++) {
status = GetBootOption(bootOrder[i], &bootOption);
if (EFI_ERROR(status)) continue;
AddUEFIBootOption(&bootOption);
FreePool(bootOption.Variable);
}
FreePool(bootOrder);
}
}
// */