CloverBootloader/rEFIt_UEFI/entry_scan/loader.cpp

/*
 * refit/scan/loader.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.
 */

#include "entry_scan.h"

#ifndef DEBUG_ALL
#define DEBUG_SCAN_LOADER 1
#else
#define DEBUG_SCAN_LOADER DEBUG_ALL
#endif

#if DEBUG_SCAN_LOADER == 0
#define DBG(...)
#else
#define DBG(...) DebugLog(DEBUG_SCAN_LOADER, __VA_ARGS__)
#endif

//#define DUMP_KERNEL_KEXT_PATCHES 1

#define MACOSX_LOADER_PATH L"\\System\\Library\\CoreServices\\boot.efi"

#define LINUX_ISSUE_PATH L"\\etc\\issue"
#define LINUX_BOOT_PATH L"\\boot"
#define LINUX_BOOT_ALT_PATH L"\\boot"
#define LINUX_LOADER_PATH L"vmlinuz"
#define LINUX_FULL_LOADER_PATH LINUX_BOOT_PATH L"\\" LINUX_LOADER_PATH
#define LINUX_LOADER_SEARCH_PATH L"vmlinuz*"
#define LINUX_DEFAULT_OPTIONS L"ro add_efi_memmap quiet splash vt.handoff=7"

#if defined(MDE_CPU_X64)
#define BOOT_LOADER_PATH L"\\EFI\\BOOT\\BOOTX64.efi"
#else
#define BOOT_LOADER_PATH L"\\EFI\\BOOT\\BOOTIA32.efi"
#endif

extern LOADER_ENTRY *SubMenuKextInjectMgmt(LOADER_ENTRY *Entry);

// Linux loader path data
typedef struct LINUX_PATH_DATA
{
   CONST CHAR16 *Path;
   CONST CHAR16 *Title;
   CONST CHAR16 *Icon;
   CONST CHAR8  *Issue;
} LINUX_PATH_DATA;

STATIC LINUX_PATH_DATA LinuxEntryData[] = {
#if defined(MDE_CPU_X64)
  { L"\\EFI\\grub\\grubx64.efi", L"Grub EFI boot menu", L"grub,linux" },
  { L"\\EFI\\Gentoo\\grubx64.efi", L"Gentoo EFI boot menu", L"gentoo,linux", "Gentoo" },
  { L"\\EFI\\Gentoo\\kernelx64.efi", L"Gentoo EFI kernel", L"gentoo,linux" },
  { L"\\EFI\\RedHat\\grubx64.efi", L"RedHat EFI boot menu", L"redhat,linux", "Redhat" },
  { L"\\EFI\\debian\\grubx64.efi", L"Debian EFI boot menu", L"debian,linux", "Debian" },
  { L"\\EFI\\kali\\grubx64.efi", L"Kali EFI boot menu", L"kali,linux", "Kali" },
  { L"\\EFI\\ubuntu\\grubx64.efi", L"Ubuntu EFI boot menu", L"ubuntu,linux", "Ubuntu" },
  { L"\\EFI\\kubuntu\\grubx64.efi", L"kubuntu EFI boot menu", L"kubuntu,linux", "kubuntu" },
  { L"\\EFI\\LinuxMint\\grubx64.efi", L"Linux Mint EFI boot menu", L"mint,linux", "Linux Mint" },
  { L"\\EFI\\Fedora\\grubx64.efi", L"Fedora EFI boot menu", L"fedora,linux", "Fedora" },
  { L"\\EFI\\opensuse\\grubx64.efi", L"OpenSuse EFI boot menu", L"suse,linux", "openSUSE" },
  { L"\\EFI\\arch\\grubx64.efi", L"ArchLinux EFI boot menu", L"arch,linux" },
  { L"\\EFI\\arch_grub\\grubx64.efi", L"ArchLinux EFI boot menu", L"arch,linux" },
  { L"\\EFI\\ORACLE\\grubx64.efi", L"Oracle Solaris EFI boot menu", L"solaris,linux", "Solaris" },
  { L"\\EFI\\Endless\\grubx64.efi", L"EndlessOS EFI boot menu", L"endless,linux", "EndlessOS" },
  { L"\\EFI\\antergos_grub\\grubx64.efi", L"Antergos EFI boot menu", L"antergos,linux", "Antergos" },
  { L"\\EFI\\Deepin\\grubx64.efi", L"Deepin EFI boot menu", L"deepin,linux", "Deepin" },
  { L"\\EFI\\elementary\\grubx64.efi", L"Elementary EFI boot menu", L"eos,linux", "Elementary" },
  { L"\\EFI\\Manjaro\\grubx64.efi", L"Manjaro EFI boot menu", L"manjaro,linux", "Manjaro" },
  { L"\\EFI\\xubuntu\\grubx64.efi", L"Xubuntu EFI boot menu", L"xubuntu,linux", "Xubuntu" },
  { L"\\EFI\\zorin\\grubx64.efi", L"Zorin EFI boot menu", L"zorin,linux", "Zorin" },
  { L"\\EFI\\goofiboot\\goofibootx64.efi", L"Solus EFI boot menu", L"solus,linux", "Solus" },
  { L"\\EFI\\centos\\grubx64.efi", L"CentOS EFI boot menu", L"centos,linux", "CentOS" },
  { L"\\EFI\\pclinuxos\\grubx64.efi", L"PCLinuxOS EFI boot menu", L"pclinux,linux", "PCLinux" },
  { L"\\EFI\\neon\\grubx64.efi", L"KDE Neon EFI boot menu", L"neon,linux", "KDE Neon" },
  { L"\\EFI\\MX18\\grubx64.efi", L"MX Linux EFI boot menu", L"mx,linux", "MX Linux" },
  { L"\\EFI\\parrot\\grubx64.efi", L"Parrot OS EFI boot menu", L"parrot,linux", "Parrot OS" },
#else
  { L"\\EFI\\grub\\grub.efi", L"Grub EFI boot menu", L"grub,linux" },
  { L"\\EFI\\Gentoo\\grub.efi", L"Gentoo EFI boot menu", L"gentoo,linux", "Gentoo" },
  { L"\\EFI\\Gentoo\\kernel.efi", L"Gentoo EFI kernel", L"gentoo,linux" },
  { L"\\EFI\\RedHat\\grub.efi", L"RedHat EFI boot menu", L"redhat,linux", "Redhat" },
  { L"\\EFI\\debian\\grub.efi", L"Debian EFI boot menu", L"debian,linux", "Debian" },
  { L"\\EFI\\kali\\grub.efi", L"Kali EFI boot menu", L"kali,linux", "Kali" },
  { L"\\EFI\\ubuntu\\grub.efi", L"Ubuntu EFI boot menu", L"ubuntu,linux", "Ubuntu" },
  { L"\\EFI\\kubuntu\\grub.efi", L"kubuntu EFI boot menu", L"kubuntu,linux", "kubuntu" },
  { L"\\EFI\\LinuxMint\\grub.efi", L"Linux Mint EFI boot menu", L"mint,linux", "Linux Mint" },
  { L"\\EFI\\Fedora\\grub.efi", L"Fedora EFI boot menu", L"fedora,linux", "Fedora" },
  { L"\\EFI\\opensuse\\grub.efi", L"OpenSuse EFI boot menu", L"suse,linux", "openSUSE" },
  { L"\\EFI\\arch\\grub.efi", L"ArchLinux EFI boot menu", L"arch,linux" },
  { L"\\EFI\\arch_grub\\grub.efi", L"ArchLinux EFI boot menu", L"arch,linux" },
  { L"\\EFI\\ORACLE\\grub.efi", L"Oracle Solaris EFI boot menu", L"solaris,linux", "Solaris" },
  { L"\\EFI\\Endless\\grub.efi", L"EndlessOS EFI boot menu", L"endless,linux", "EndlessOS" },
  { L"\\EFI\\antergos_grub\\grub.efi", L"Antergos EFI boot menu", L"antergos,linux", "Antergos" },
  { L"\\EFI\\Deepin\\grub.efi", L"Deepin EFI boot menu", L"deepin,linux", "Deepin" },
  { L"\\EFI\\elementary\\grub.efi", L"Elementary EFI boot menu", L"eos,linux", "Elementary" },
  { L"\\EFI\\Manjaro\\grub.efi", L"Manjaro EFI boot menu", L"manjaro,linux", "Manjaro" },
  { L"\\EFI\\xubuntu\\grub.efi", L"Xubuntu EFI boot menu", L"xubuntu,linux", "Xubuntu" },
  { L"\\EFI\\zorin\\grub.efi", L"Zorin EFI boot menu", L"zorin,linux", "Zorin" },
  { L"\\EFI\\goofiboot\\goofiboot.efi", L"Solus EFI boot menu", L"solus,linux", "Solus" },
  { L"\\EFI\\centos\\grub.efi", L"CentOS EFI boot menu", L"centos,linux", "CentOS" },
  { L"\\EFI\\pclinuxos\\grub.efi", L"PCLinuxOS EFI boot menu", L"pclinux,linux", "PCLinux" },
  { L"\\EFI\\neon\\grub.efi", L"KDE Neon EFI boot menu", L"neon,linux", "KDE Neon" },
  { L"\\EFI\\MX18\\grub.efi", L"MX Linux EFI boot menu", L"mx,linux", "MX Linux" },
  { L"\\EFI\\parrot\\grub.efi", L"Parrot OS EFI boot menu", L"parrot,linux", "Parrot OS" },
#endif
  { L"\\EFI\\SuSe\\elilo.efi", L"OpenSuse EFI boot menu", L"suse,linux" },
};
STATIC CONST UINTN LinuxEntryDataCount = (sizeof(LinuxEntryData) / sizeof(LINUX_PATH_DATA));

#if defined(ANDX86)
#if !defined(MDE_CPU_X64)
#undef ANDX86
#else
// ANDX86 loader path data
#define ANDX86_FINDLEN 3
typedef struct ANDX86_PATH_DATA
{
   CONST CHAR16   *Path;
   CONST CHAR16   *Title;
   CONST CHAR16   *Icon;
   CONST CHAR16   *Find[ANDX86_FINDLEN];
} ANDX86_PATH_DATA;

STATIC ANDX86_PATH_DATA AndroidEntryData[] = {
  //{ L"\\EFI\\boot\\grubx64.efi", L"Grub", L"grub,linux" },
  //{ L"\\EFI\\boot\\bootx64.efi", L"Grub", L"grub,linux" },
  { L"\\EFI\\remixos\\grubx64.efi",         L"Remix",     L"remix,grub,linux",   { L"\\isolinux\\isolinux.bin", L"\\initrd.img", L"\\kernel" } },
  { L"\\EFI\\PhoenixOS\\boot\\grubx64.efi", L"PhoenixOS", L"phoenix,grub,linux", { L"\\EFI\\PhoenixOS\\boot\\efi.img", L"\\EFI\\PhoenixOS\\initrd.img", L"\\EFI\\PhoenixOS\\kernel" } },
  { L"\\EFI\\boot\\grubx64.efi",            L"Phoenix",   L"phoenix,grub,linux", { L"\\phoenix\\kernel", L"\\phoenix\\initrd.img", L"\\phoenix\\ramdisk.img" } },
  { L"\\EFI\\boot\\bootx64.efi",            L"Chrome",    L"chrome,grub,linux",  { L"\\syslinux\\vmlinuz.A", L"\\syslinux\\vmlinuz.B", L"\\syslinux\\ldlinux.sys"} },
/*
#else
*/
};
STATIC CONST UINTN AndroidEntryDataCount = (sizeof(AndroidEntryData) / sizeof(ANDX86_PATH_DATA));
#endif
#endif

CONST CHAR16  *PaperBoot   = L"\\com.apple.boot.P\\boot.efi";
CONST CHAR16  *RockBoot    = L"\\com.apple.boot.R\\boot.efi";
CONST CHAR16  *ScissorBoot = L"\\com.apple.boot.S\\boot.efi";

// OS X installer paths
CONST CHAR16 *OSXInstallerPaths[] = {
  L"\\.IABootFiles\\boot.efi", // 10.9 - 10.13.3
  L"\\Mac OS X Install Data\\boot.efi", // 10.7
  L"\\OS X Install Data\\boot.efi", // 10.8 - 10.11
  L"\\macOS Install Data\\boot.efi", // 10.12 - 10.12.3
  L"\\macOS Install Data\\Locked Files\\Boot Files\\boot.efi" // 10.12.4+
};

STATIC CONST UINTN OSXInstallerPathsCount = (sizeof(OSXInstallerPaths) / sizeof(CHAR16 *));

STATIC INTN TimeCmp(IN EFI_TIME *Time1,
                    IN EFI_TIME *Time2)
{
   INTN Comparison;
   if (Time1 == NULL) {
     if (Time2 == NULL) {
       return 0;
     } else {
       return -1;
     }
   } else if (Time2 == NULL) {
     return 1;
   }
   Comparison = Time1->Year - Time2->Year;
   if (Comparison == 0) {
     Comparison = Time1->Month - Time2->Month;
     if (Comparison == 0) {
       Comparison = Time1->Day - Time2->Day;
       if (Comparison == 0) {
         Comparison = Time1->Hour - Time2->Hour;
         if (Comparison == 0) {
           Comparison = Time1->Minute - Time2->Minute;
           if (Comparison == 0) {
             Comparison = Time1->Second - Time2->Second;
             if (Comparison == 0) {
               Comparison = Time1->Nanosecond - Time2->Nanosecond;
             }
           }
         }
       }
     }
   }
   return Comparison;
}

UINT8 GetOSTypeFromPath(IN CONST CHAR16 *Path)
{
  if (Path == NULL) {
    return OSTYPE_OTHER;
  }
  if (StriCmp(Path, MACOSX_LOADER_PATH) == 0) {
    return OSTYPE_OSX;
  } else if ((StriCmp(Path, OSXInstallerPaths[0]) == 0) ||
             (StriCmp(Path, OSXInstallerPaths[1]) == 0) ||
             (StriCmp(Path, OSXInstallerPaths[2]) == 0) ||
             (StriCmp(Path, OSXInstallerPaths[3]) == 0) ||
             (StriCmp(Path, OSXInstallerPaths[4]) == 0) ||
             (StriCmp(Path, RockBoot) == 0) || (StriCmp(Path, PaperBoot) == 0) || (StriCmp(Path, ScissorBoot) == 0) ||
             (!StriCmp(Path, L"\\.IABootFiles\\boot.efi") && StriCmp(Path, L"\\.IAPhysicalMedia") && StriCmp(Path, MACOSX_LOADER_PATH))
             ) {
    return OSTYPE_OSX_INSTALLER;
  } else if (StriCmp(Path, L"\\com.apple.recovery.boot\\boot.efi") == 0) {
    return OSTYPE_RECOVERY;
  } else if ((StriCmp(Path, L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi") == 0) ||
             (StriCmp(Path, L"\\EFI\\Microsoft\\Boot\\bootmgfw-orig.efi") == 0) ||
             (StriCmp(Path, L"\\bootmgr.efi") == 0) ||
             (StriCmp(Path, L"\\EFI\\MICROSOFT\\BOOT\\cdboot.efi") == 0)) {
    return OSTYPE_WINEFI;
  } else if (StrniCmp(Path, LINUX_FULL_LOADER_PATH, StrLen(LINUX_FULL_LOADER_PATH)) == 0) {
    return OSTYPE_LINEFI;
  } else {
    UINTN Index;
#if defined(ANDX86)
    Index = 0;
    while (Index < AndroidEntryDataCount) {
      if (StriCmp(Path, AndroidEntryData[Index].Path) == 0) {
        return OSTYPE_LIN;
      }
      ++Index;
    }
#endif
    Index = 0;
    while (Index < LinuxEntryDataCount) {
      if (StriCmp(Path, LinuxEntryData[Index].Path) == 0) {
        return OSTYPE_LIN;
      }
      ++Index;
    }
  }
  return OSTYPE_OTHER;
}

STATIC CONST CHAR16 *LinuxIconNameFromPath(IN CONST CHAR16            *Path,
                                     IN EFI_FILE_PROTOCOL *RootDir)
{
  UINTN Index;
#if defined(ANDX86)
  Index = 0;
  while (Index < AndroidEntryDataCount) {
    if (StriCmp(Path, AndroidEntryData[Index].Path) == 0) {
      return AndroidEntryData[Index].Icon;
    }
    ++Index;
  }
#endif
  Index = 0;
  while (Index < LinuxEntryDataCount) {
    if (StriCmp(Path, LinuxEntryData[Index].Path) == 0) {
      return LinuxEntryData[Index].Icon;
    }
    ++Index;
  }
  // Try to open the linux issue
  if ((RootDir != NULL) && (StrniCmp(Path, LINUX_FULL_LOADER_PATH, StrLen(LINUX_FULL_LOADER_PATH)) == 0)) {
    CHAR8 *Issue = NULL;
    UINTN  IssueLen = 0;
    if (!EFI_ERROR(egLoadFile(RootDir, LINUX_ISSUE_PATH, (UINT8 **)&Issue, &IssueLen)) && (Issue != NULL)) {
      if (IssueLen > 0) {
        for (Index = 0; Index < LinuxEntryDataCount; ++Index) {
          if ((LinuxEntryData[Index].Issue != NULL) &&
              (AsciiStrStr(Issue, LinuxEntryData[Index].Issue) != NULL)) {
            FreePool(Issue);
            return LinuxEntryData[Index].Icon;
          }
        }
      }
      FreePool(Issue);
    }
  }
  return L"linux";
}

STATIC CONST CHAR16 *LinuxInitImagePath[] = {
   L"initrd%s",
   L"initrd.img%s",
   L"initrd%s.img",
   L"initramfs%s",
   L"initramfs.img%s",
   L"initramfs%s.img",
};
STATIC CONST UINTN LinuxInitImagePathCount = (sizeof(LinuxInitImagePath) / sizeof(CHAR16 *));

STATIC CHAR16 *LinuxKernelOptions(IN EFI_FILE_PROTOCOL *Dir,
                                  IN CONST CHAR16            *Version,
                                  IN CONST CHAR16            *PartUUID,
                                  IN CONST CHAR16            *Options OPTIONAL)
{
  UINTN Index = 0;
  if ((Dir == NULL) || (PartUUID == NULL)) {
    return (Options == NULL) ? NULL : EfiStrDuplicate(Options);
  }
  while (Index < LinuxInitImagePathCount) {
    CHAR16 *InitRd = PoolPrint(LinuxInitImagePath[Index++], (Version == NULL) ? L"" : Version);
    if (InitRd != NULL) {
      if (FileExists(Dir, InitRd)) {
        CHAR16 *CustomOptions = PoolPrint(L"root=/dev/disk/by-partuuid/%s initrd=%s\\%s %s %s", PartUUID, LINUX_BOOT_ALT_PATH, InitRd, LINUX_DEFAULT_OPTIONS, (Options == NULL) ? L"" : Options);
        FreePool(InitRd);
        return CustomOptions;
      }
      FreePool(InitRd);
    }
  }
  return PoolPrint(L"root=/dev/disk/by-partuuid/%s %s %s", PartUUID, LINUX_DEFAULT_OPTIONS, (Options == NULL) ? L"" : Options);
}

STATIC BOOLEAN isFirstRootUUID(REFIT_VOLUME *Volume)
{
  UINTN         VolumeIndex;
  REFIT_VOLUME *scanedVolume;

  for (VolumeIndex = 0; VolumeIndex < Volumes.size(); VolumeIndex++) {
    scanedVolume = &Volumes[VolumeIndex];

    if (scanedVolume == Volume)
      return TRUE;

    if (CompareGuid(&scanedVolume->RootUUID, &Volume->RootUUID))
      return FALSE;

  }
  return TRUE;
}

//Set Entry->VolName to .disk_label.contentDetails if it exists
STATIC EFI_STATUS GetOSXVolumeName(LOADER_ENTRY *Entry)
{
  EFI_STATUS  Status = EFI_NOT_FOUND;
  CONST CHAR16* targetNameFile = L"\\System\\Library\\CoreServices\\.disk_label.contentDetails";
  CHAR8*  fileBuffer;
  CHAR8*  targetString;
  UINTN   fileLen = 0;
  if(FileExists(Entry->Volume->RootDir, targetNameFile)) {
    Status = egLoadFile(Entry->Volume->RootDir, targetNameFile, (UINT8 **)&fileBuffer, &fileLen);
    if(!EFI_ERROR(Status)) {
      CHAR16  *tmpName;
      //Create null terminated string
      targetString = (CHAR8*) AllocateZeroPool(fileLen+1);
      CopyMem( (VOID*)targetString, (VOID*)fileBuffer, fileLen);
      DBG("found disk_label with contents:%a\n", targetString);

      //      NOTE: Sothor - This was never run. If we need this correct it and uncomment it.
      //      if (Entry->LoaderType == OSTYPE_OSX) {
      //        INTN i;
      //        //remove occurence number. eg: "vol_name 2" --> "vol_name"
      //        i=fileLen-1;
      //        while ((i>0) && (targetString[i]>='0') && (targetString[i]<='9')) {
      //          i--;
      //        }
      //        if (targetString[i] == ' ') {
      //          targetString[i] = 0;
      //        }
      //      }

      //Convert to Unicode
      tmpName = (CHAR16*)AllocateZeroPool((fileLen+1)*2);
      AsciiStrToUnicodeStrS(targetString, tmpName, fileLen);

      Entry->VolName = EfiStrDuplicate(tmpName);
      DBG("Created name:%s\n", Entry->VolName);

      FreePool(tmpName);
      FreePool(fileBuffer);
      FreePool(targetString);
    }
  }
  return Status;
}

extern BOOLEAN CopyKernelAndKextPatches(IN OUT KERNEL_AND_KEXT_PATCHES *Dst, IN KERNEL_AND_KEXT_PATCHES *Src);

STATIC LOADER_ENTRY *CreateLoaderEntry(IN CONST CHAR16 *LoaderPath,
                                       IN CONST CHAR16 *LoaderOptions,
                                       IN CONST CHAR16 *FullTitle,
                                       IN CONST CHAR16 *LoaderTitle,
                                       IN REFIT_VOLUME *Volume,
                                       IN EG_IMAGE *Image,
                                       IN EG_IMAGE *DriveImage,
                                       IN UINT8 OSType,
                                       IN UINT8 Flags,
                                       IN CHAR16 Hotkey,
                                       EG_PIXEL *BootBgColor,
                                       IN UINT8 CustomBoot,
                                       IN EG_IMAGE *CustomLogo,
                                       IN KERNEL_AND_KEXT_PATCHES *Patches,
                                       IN BOOLEAN CustomEntry)
{
  EFI_DEVICE_PATH *LoaderDevicePath;
  CONST CHAR16          *LoaderDevicePathString;
  CONST CHAR16          *FilePathAsString;
  CONST CHAR16          *OSIconName;
  //CHAR16           IconFileName[256]; Sothor - Unused?
  CHAR16           ShortcutLetter;
  LOADER_ENTRY    *Entry;
  INTN             i;
  CONST CHAR8           *indent = "    ";

  // Check parameters are valid
  if ((LoaderPath == NULL) || (*LoaderPath == 0) || (Volume == NULL)) {
    return NULL;
  }

  // Get the loader device path
//  LoaderDevicePath = FileDevicePath(Volume->DeviceHandle, (*LoaderPath == L'\\') ? (LoaderPath + 1) : LoaderPath);
  LoaderDevicePath = FileDevicePath(Volume->DeviceHandle, LoaderPath);
  if (LoaderDevicePath == NULL) {
    return NULL;
  }
  LoaderDevicePathString = FileDevicePathToStr(LoaderDevicePath);
  if (LoaderDevicePathString == NULL) {
    return NULL;
  }

  // Ignore this loader if it's self path
  FilePathAsString = FileDevicePathToStr(SelfFullDevicePath);
  if (FilePathAsString) {
    INTN Comparison = StriCmp(FilePathAsString, LoaderDevicePathString);
    FreePool(FilePathAsString);
    if (Comparison == 0) {
      DBG("%a skipped because path `%s` is self path!\n", indent, LoaderDevicePathString);
      FreePool(LoaderDevicePathString);
      return NULL;
    }
  }

  if (!CustomEntry) {
    CUSTOM_LOADER_ENTRY *Custom;
    UINTN                CustomIndex = 0;

    // Ignore this loader if it's device path is already present in another loader
    if (MainMenu.Entries) {
      for (i = 0; i < MainMenu.EntryCount; ++i) {
        REFIT_MENU_ENTRY *MainEntry = MainMenu.Entries[i];
        // Only want loaders
        if (MainEntry && (MainEntry->Tag == TAG_LOADER)) {
          LOADER_ENTRY *Loader = (LOADER_ENTRY *)MainEntry;
          if (StriCmp(Loader->DevicePathString, LoaderDevicePathString) == 0) {
            DBG("%a skipped because path `%s` already exists for another entry!\n", indent, LoaderDevicePathString);
            FreePool(LoaderDevicePathString);
            return NULL;
          }
        }
      }
    }
    // If this isn't a custom entry make sure it's not hidden by a custom entry
    Custom = gSettings.CustomEntries;
    while (Custom) {
      // Check if the custom entry is hidden or disabled
      if ((OSFLAG_ISSET(Custom->Flags, OSFLAG_DISABLED) ||
           (OSFLAG_ISSET(Custom->Flags, OSFLAG_HIDDEN) && !gSettings.ShowHiddenEntries))) {

        INTN volume_match=0;
        INTN volume_type_match=0;
        INTN path_match=0;
        INTN type_match=0;

        // Check if volume match
        if (Custom->Volume != NULL) {
          // Check if the string matches the volume
          volume_match =
            ((StrStr(Volume->DevicePathString, Custom->Volume) != NULL) ||
             ((Volume->VolName != NULL) && (StrStr(Volume->VolName, Custom->Volume) != NULL))) ? 1 : -1;
        }

        // Check if the volume_type match
        if (Custom->VolumeType != 0) {
          volume_type_match =
            (((Volume->DiskKind == DISK_KIND_INTERNAL) && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
             ((Volume->DiskKind == DISK_KIND_EXTERNAL) && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
             ((Volume->DiskKind == DISK_KIND_OPTICAL)  && (Custom->VolumeType & VOLTYPE_OPTICAL))  ||
             ((Volume->DiskKind == DISK_KIND_FIREWIRE) && (Custom->VolumeType & VOLTYPE_FIREWIRE))) ? 1 : -1;
        }

        // Check if the path match
        if (Custom->Path != NULL) {
          // Check if the loader path match
          path_match = (StriCmp(Custom->Path, LoaderPath) == 0) ? 1 : -1;
        }

        // Check if the type match
        if (Custom->Type != 0) {
          type_match = OSTYPE_COMPARE(Custom->Type, OSType) ? 1 : -1;
        }

        if (volume_match == -1 || volume_type_match == -1 || path_match == -1 || type_match == -1 ) {
          UINTN add_comma = 0;

          DBG ("%aNot match custom entry %d: ", indent, CustomIndex);
          if (volume_match != 0) {
            DBG("Volume: %s", volume_match == 1 ? L"match" : L"not match");
            add_comma++;
          }
          if (path_match != 0) {
            DBG("%sPath: %s",
                (add_comma ? L", " : L""),
                path_match == 1 ? L"match" : L"not match");
            add_comma++;
          }
          if (volume_type_match != 0) {
            DBG("%sVolumeType: %s",
                (add_comma ? L", " : L""),
                volume_type_match == 1 ? L"match" : L"not match");
            add_comma++;
          }
          if (type_match != 0) {
            DBG("%sType: %s",
                (add_comma ? L", " : L""),
                type_match == 1 ? L"match" : L"not match");
          }
          DBG("\n");
        } else {
          // Custom entry match
          DBG("%aSkipped because matching custom entry %d!\n", indent, CustomIndex);
          FreePool(LoaderDevicePathString);
          return NULL;
        }
      }
      Custom = Custom->Next;
      ++CustomIndex;
    }
  }

  // prepare the menu entry
  Entry = (__typeof__(Entry))AllocateZeroPool(sizeof(LOADER_ENTRY));
  Entry->me.Tag = TAG_LOADER;
  Entry->me.Row = 0;
  Entry->Volume = Volume;

  Entry->LoaderPath       = EfiStrDuplicate(LoaderPath);
  Entry->VolName          = Volume->VolName;
  Entry->DevicePath       = LoaderDevicePath;
  Entry->DevicePathString = LoaderDevicePathString;
  Entry->Flags            = OSFLAG_SET(Flags, OSFLAG_USEGRAPHICS);
  if (LoaderOptions) {
    if (OSFLAG_ISSET(Flags, OSFLAG_NODEFAULTARGS)) {
      Entry->LoadOptions  = EfiStrDuplicate(LoaderOptions);
    } else {
      Entry->LoadOptions  = PoolPrint(L"%a %s", gSettings.BootArgs, LoaderOptions);
    }
  } else if ((AsciiStrLen(gSettings.BootArgs) > 0) && OSFLAG_ISUNSET(Flags, OSFLAG_NODEFAULTARGS)) {
    Entry->LoadOptions    = PoolPrint(L"%a", gSettings.BootArgs);
  }

  // locate a custom icon for the loader
  //StrCpy(IconFileName, Volume->OSIconName); Sothor - Unused?
  //actions
  Entry->me.AtClick = ActionSelect;
  Entry->me.AtDoubleClick = ActionEnter;
  Entry->me.AtRightClick = ActionDetails;
  Entry->CustomBoot = CustomBoot;
  Entry->CustomLogo = CustomLogo;
  Entry->LoaderType = OSType;
  Entry->BuildVersion = NULL;
  Entry->OSVersion = GetOSVersion(Entry);

  // detect specific loaders
  OSIconName = NULL;
  ShortcutLetter = 0;

  switch (OSType) {
    case OSTYPE_OSX:
    case OSTYPE_RECOVERY:
    case OSTYPE_OSX_INSTALLER:
      OSIconName = GetOSIconName(Entry->OSVersion);// Sothor - Get OSIcon name using OSVersion
      // apianti - force custom logo even when verbose
      if ((Entry->LoadOptions != NULL) &&
          ((StrStr(Entry->LoadOptions, L"-v") != NULL) ||
           (StrStr(Entry->LoadOptions, L"-V") != NULL))) {
        // OSX is not booting verbose, so we can set console to graphics mode
        Entry->Flags = OSFLAG_UNSET(Entry->Flags, OSFLAG_USEGRAPHICS);
      }
      if (OSType == OSTYPE_OSX && IsOsxHibernated(Entry)) {
        Entry->Flags = OSFLAG_SET(Entry->Flags, OSFLAG_HIBERNATED);
        DBG("  =>set entry as hibernated\n");
      }
      //always unset checkFakeSmc for installer
      if (OSType == OSTYPE_OSX_INSTALLER){
        Entry->Flags = OSFLAG_UNSET(Entry->Flags, OSFLAG_CHECKFAKESMC);
        Entry->Flags = OSFLAG_SET(Entry->Flags, OSFLAG_WITHKEXTS);
      }
      ShortcutLetter = 'M';
      if ((Entry->VolName == NULL) || (StrLen(Entry->VolName) == 0)) {
        // else no sense to override it with dubious name
        GetOSXVolumeName(Entry);
      }
      break;
    case OSTYPE_WIN:
      OSIconName = L"win";
      ShortcutLetter = 'W';
      break;
    case OSTYPE_WINEFI:
      OSIconName = L"vista,win";
      //ShortcutLetter = 'V';
      ShortcutLetter = 'W';
      break;
    case OSTYPE_LIN:
    case OSTYPE_LINEFI:
      OSIconName = LinuxIconNameFromPath(LoaderPath, Volume->RootDir);
      ShortcutLetter = 'L';
      break;
    case OSTYPE_OTHER:
    case OSTYPE_EFI:
      OSIconName = L"clover";
      ShortcutLetter = 'U';
      Entry->LoaderType = OSTYPE_OTHER;
      break;
    default:
      OSIconName = L"unknown";
      Entry->LoaderType = OSTYPE_OTHER;
      break;
  }

  Entry->me.Title = NULL;
    
  if (FullTitle) {
    Entry->me.Title = EfiStrDuplicate(FullTitle);
  }
  if ( Entry->me.Title == NULL  &&  Volume->VolLabel != NULL ) {
    if ( Volume->VolLabel[0] == L'#' ) {
    	Entry->me.Title = PoolPrint(L"Boot %s from %s", (LoaderTitle != NULL) ? LoaderTitle : Basename(LoaderPath), Volume->VolLabel+1);
    }else{
    	Entry->me.Title = PoolPrint(L"Boot %s from %s", (LoaderTitle != NULL) ? LoaderTitle : Basename(LoaderPath), Volume->VolLabel);
    }
  }
  
  if ( Entry->me.Title == NULL  &&  ((Entry->VolName == NULL) || (StrLen(Entry->VolName) == 0)) ) {
    //DBG("encounter Entry->VolName ==%s and StrLen(Entry->VolName) ==%d\n",Entry->VolName, StrLen(Entry->VolName));
    if (GlobalConfig.BootCampStyle) {
      Entry->me.Title = PoolPrint(L"%s", ((LoaderTitle != NULL) ? LoaderTitle : Basename(Volume->DevicePathString)));
    } else {
      Entry->me.Title = PoolPrint(L"Boot %s from %s", (LoaderTitle != NULL) ? LoaderTitle : Basename(LoaderPath),
                                    Basename(Volume->DevicePathString));
    }
  }
  if ( Entry->me.Title == NULL ) {
    //DBG("encounter LoaderTitle ==%s and Entry->VolName ==%s\n", LoaderTitle, Entry->VolName);
    if (GlobalConfig.BootCampStyle) {
      if ((StriCmp(LoaderTitle, L"macOS") == 0) || (StriCmp(LoaderTitle, L"Recovery") == 0)) {
        Entry->me.Title = PoolPrint(L"%s", Entry->VolName);
      } else {
        Entry->me.Title = PoolPrint(L"%s", (LoaderTitle != NULL) ? LoaderTitle : Basename(LoaderPath));
      }
    } else {
      Entry->me.Title = PoolPrint(L"Boot %s from %s", (LoaderTitle != NULL) ? LoaderTitle : Basename(LoaderPath),
                                    Entry->VolName);
    }
  }
  //DBG("Entry->me.Title =%s\n", Entry->me.Title);
  // just an example that UI can show hibernated volume to the user
  // should be better to show it on entry image
  if (OSFLAG_ISSET(Entry->Flags, OSFLAG_HIBERNATED)) {
    Entry->me.Title = PoolPrint(L"%s (hibernated)", Entry->me.Title);
  }

  Entry->me.ShortcutLetter = (Hotkey == 0) ? ShortcutLetter : Hotkey;

  // get custom volume icon if present
  if (GlobalConfig.CustomIcons && FileExists(Volume->RootDir, L"\\.VolumeIcon.icns")){
    Entry->me.Image = LoadIcns(Volume->RootDir, L"\\.VolumeIcon.icns", 128);
    DBG("using VolumeIcon.icns image from Volume\n");
  } else if (Image) {
      Entry->me.Image = Image;
  } else {
      Entry->me.Image = LoadOSIcon(OSIconName, L"unknown", 128, FALSE, TRUE);
  }

  // Load DriveImage
  Entry->me.DriveImage = (DriveImage != NULL) ? DriveImage : ScanVolumeDefaultIcon(Volume, Entry->LoaderType, Volume->DevicePath);

  // DBG("HideBadges=%d Volume=%s ", GlobalConfig.HideBadges, Volume->VolName);
  if (GlobalConfig.HideBadges & HDBADGES_SHOW) {
    if (GlobalConfig.HideBadges & HDBADGES_SWAP) {
      Entry->me.BadgeImage = egCopyScaledImage(Entry->me.DriveImage, GlobalConfig.BadgeScale);
      // DBG(" Show badge as Drive.");
    } else {
      Entry->me.BadgeImage = egCopyScaledImage(Entry->me.Image, GlobalConfig.BadgeScale);
        // DBG(" Show badge as OSImage.");
    }
  }

  if (BootBgColor != NULL) {
    Entry->BootBgColor = BootBgColor;
  }

  Entry->KernelAndKextPatches = ((Patches == NULL) ? (KERNEL_AND_KEXT_PATCHES *)(((UINTN)&gSettings) + OFFSET_OF(SETTINGS_DATA, KernelAndKextPatches)) : Patches);
#ifdef DUMP_KERNEL_KEXT_PATCHES
  DumpKernelAndKextPatches(Entry->KernelAndKextPatches);
#endif
//  DBG("%aLoader entry created for '%s'\n", indent, Entry->DevicePathString);
  return Entry;
}

STATIC VOID AddDefaultMenu(IN LOADER_ENTRY *Entry)
{
  CONST CHAR16            *FileName;
  CHAR16* TempOptions;
//  CHAR16            DiagsFileName[256];
  LOADER_ENTRY      *SubEntry;
  REFIT_MENU_SCREEN *SubScreen;
  REFIT_VOLUME      *Volume;
  UINT64            VolumeSize;
  EFI_GUID          *Guid = NULL;
  BOOLEAN           KernelIs64BitOnly;
  UINT64            os_version = AsciiOSVersionToUint64(Entry->OSVersion);

  if (Entry == NULL) {
    return;
  }
  Volume = Entry->Volume;
  if (Volume == NULL) {
    return;
  }

  // Only kernels up to 10.7 have 32-bit mode
  KernelIs64BitOnly = (Entry->OSVersion == NULL ||
                       AsciiOSVersionToUint64(Entry->OSVersion) >= AsciiOSVersionToUint64("10.8"));

  FileName = Basename(Entry->LoaderPath);

  // create the submenu
  SubScreen = (__typeof__(SubScreen))AllocateZeroPool(sizeof(REFIT_MENU_SCREEN));
  SubScreen->Title = PoolPrint(L"Options for %s", Entry->me.Title, Entry->VolName);
  SubScreen->TitleImage = Entry->me.Image;
  SubScreen->ID = Entry->LoaderType + 20;
  //  DBG("get anime for os=%d\n", SubScreen->ID);
  SubScreen->AnimeRun = GetAnime(SubScreen);
  VolumeSize = RShiftU64(MultU64x32(Volume->BlockIO->Media->LastBlock, Volume->BlockIO->Media->BlockSize), 20);
  AddMenuInfoLine(SubScreen, PoolPrint(L"Volume size: %dMb", VolumeSize));
  AddMenuInfoLine(SubScreen, FileDevicePathToStr(Entry->DevicePath));
  Guid = FindGPTPartitionGuidInDevicePath(Volume->DevicePath);
  if (Guid) {
    CHAR8 *GuidStr = (__typeof__(GuidStr))AllocateZeroPool(50);
    AsciiSPrint(GuidStr, 50, "%g", Guid);
    AddMenuInfoLine(SubScreen, PoolPrint(L"UUID: %a", GuidStr));
    FreePool(GuidStr);
  }
  AddMenuInfoLine(SubScreen, PoolPrint(L"Options: %s", Entry->LoadOptions));
  // loader-specific submenu entries
  if (Entry->LoaderType == OSTYPE_OSX ||
      Entry->LoaderType == OSTYPE_OSX_INSTALLER ||
      Entry->LoaderType == OSTYPE_RECOVERY) { // entries for Mac OS X
    if (os_version < AsciiOSVersionToUint64("10.8")) {
      AddMenuInfoLine(SubScreen, PoolPrint(L"Mac OS X: %a", Entry->OSVersion));
    } else if (os_version < AsciiOSVersionToUint64("10.12")) {
      AddMenuInfoLine(SubScreen, PoolPrint(L"OS X: %a", Entry->OSVersion));
    } else {
      AddMenuInfoLine(SubScreen, PoolPrint(L"macOS: %a", Entry->OSVersion));
    }

    if (OSFLAG_ISSET(Entry->Flags, OSFLAG_HIBERNATED)) {
      SubEntry = DuplicateLoaderEntry(Entry);
      if (SubEntry) {
        SubEntry->me.Title  = L"Cancel hibernate wake";
        SubEntry->Flags     = OSFLAG_UNSET(SubEntry->Flags, OSFLAG_HIBERNATED);
        AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
      }
    }

    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      if (os_version < AsciiOSVersionToUint64("10.8")) {
        SubEntry->me.Title  = L"Boot Mac OS X with selected options";
      } else if (os_version < AsciiOSVersionToUint64("10.12")) {
        SubEntry->me.Title  = L"Boot OS X with selected options";
      } else {
        SubEntry->me.Title  = L"Boot macOS with selected options";
      }
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }
    
    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      if (os_version < AsciiOSVersionToUint64("10.8")) {
        SubEntry->me.Title  = L"Boot Mac OS X with injected kexts";
      } else if (os_version < AsciiOSVersionToUint64("10.12")) {
        SubEntry->me.Title  = L"Boot OS X with injected kexts";
      } else {
        SubEntry->me.Title  = L"Boot macOS with injected kexts";
      }
      SubEntry->Flags       = OSFLAG_UNSET(SubEntry->Flags, OSFLAG_CHECKFAKESMC);
      SubEntry->Flags       = OSFLAG_SET(SubEntry->Flags, OSFLAG_WITHKEXTS);
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }
    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      if (os_version < AsciiOSVersionToUint64("10.8")) {
        SubEntry->me.Title  = L"Boot Mac OS X without injected kexts";
      } else if (os_version < AsciiOSVersionToUint64("10.12")) {
        SubEntry->me.Title  = L"Boot OS X without injected kexts";
      } else {
        SubEntry->me.Title  = L"Boot macOS without injected kexts";
      }
      SubEntry->Flags       = OSFLAG_UNSET(SubEntry->Flags, OSFLAG_CHECKFAKESMC);
      SubEntry->Flags       = OSFLAG_UNSET(SubEntry->Flags, OSFLAG_WITHKEXTS);
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }

    AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubMenuKextInjectMgmt(Entry));
    AddMenuInfo(SubScreen, L"=== boot-args ===");
    if (!KernelIs64BitOnly) {
      if (os_version < AsciiOSVersionToUint64("10.8")) {
        AddMenuCheck(SubScreen, "Mac OS X 32bit",   OPT_I386, 68);
        AddMenuCheck(SubScreen, "Mac OS X 64bit",   OPT_X64,  68);
      } else if (os_version < AsciiOSVersionToUint64("10.12")) {
        AddMenuCheck(SubScreen, "OS X 32bit",       OPT_I386, 68);
        AddMenuCheck(SubScreen, "OS X 64bit",       OPT_X64,  68);
      } else {
        AddMenuCheck(SubScreen, "macOS 32bit",      OPT_I386, 68);
        AddMenuCheck(SubScreen, "macOS 64bit",      OPT_X64,  68);
      }
    }
    AddMenuCheck(SubScreen, "Verbose (-v)",                               OPT_VERBOSE, 68);
    // No Caches option works on 10.6 - 10.9
    if (os_version < AsciiOSVersionToUint64("10.10")) {
      AddMenuCheck(SubScreen, "Without caches (-f)",                        OPT_NOCACHES, 68);
    }
    AddMenuCheck(SubScreen, "Single User (-s)",                           OPT_SINGLE_USER, 68);
    AddMenuCheck(SubScreen, "Safe Mode (-x)",                             OPT_SAFE, 68);
    AddMenuCheck(SubScreen, "Disable KASLR (slide=0)",                    OPT_SLIDE, 68);
    AddMenuCheck(SubScreen, "Set Nvidia to VESA (nv_disable=1)",          OPT_NVDISABLE, 68);
    AddMenuCheck(SubScreen, "Use Nvidia WEB drivers (nvda_drv=1)",        OPT_NVWEBON, 68);
    AddMenuCheck(SubScreen, "Disable PowerNap (darkwake=0)",              OPT_POWERNAPOFF, 68);
    AddMenuCheck(SubScreen, "Use XNU CPUPM (-xcpm)",                      OPT_XCPM, 68);
//    AddMenuCheck(SubScreen, "Disable Intel Idle Mode (-gux_no_idle)",     OPT_GNOIDLE, 68);
//    AddMenuCheck(SubScreen, "Sleep Uses Shutdown (-gux_nosleep)",         OPT_GNOSLEEP, 68);
//    AddMenuCheck(SubScreen, "Force No Msi Int (-gux_nomsi)",              OPT_GNOMSI, 68);
//    AddMenuCheck(SubScreen, "EHC manage USB2 ports (-gux_defer_usb2)",    OPT_EHCUSB, 68);
    AddMenuCheck(SubScreen, "Keep symbols on panic (keepsyms=1)",         OPT_KEEPSYMS, 68);
    AddMenuCheck(SubScreen, "Don't reboot on panic (debug=0x100)",        OPT_DEBUG, 68);
    AddMenuCheck(SubScreen, "Debug kexts (kextlog=0xffff)",               OPT_KEXTLOG, 68);
//    AddMenuCheck(SubScreen, "Disable AppleALC (-alcoff)",                 OPT_APPLEALC, 68);
//    AddMenuCheck(SubScreen, "Disable Shiki (-shikioff)",                  OPT_SHIKI, 68);

    if (gSettings.CsrActiveConfig == 0) {
      AddMenuCheck(SubScreen, "No SIP", OSFLAG_NOSIP, 69);
    }
    
  } else if (Entry->LoaderType == OSTYPE_LINEFI) {
    BOOLEAN Quiet = (StrStr(Entry->LoadOptions, L"quiet") != NULL);
    BOOLEAN WithSplash = (StrStr(Entry->LoadOptions, L"splash") != NULL);
    
    // default entry
    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      SubEntry->me.Title = PoolPrint(L"Run %s", FileName);
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }

    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      FreePool(SubEntry->LoadOptions);
      if (Quiet) {
        SubEntry->me.Title    = PoolPrint(L"%s verbose", Entry->me.Title);
        SubEntry->LoadOptions = RemoveLoadOption(Entry->LoadOptions, L"quiet");
      } else {
        SubEntry->me.Title    = PoolPrint(L"%s quiet", Entry->me.Title);
        SubEntry->LoadOptions = AddLoadOption(Entry->LoadOptions, L"quiet");
      }
    }
    AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      FreePool(SubEntry->LoadOptions);
      if (WithSplash) {
        SubEntry->me.Title    = PoolPrint(L"%s without splash", Entry->me.Title);
        SubEntry->LoadOptions = RemoveLoadOption(Entry->LoadOptions, L"splash");
      } else {
        SubEntry->me.Title    = PoolPrint(L"%s with splash", Entry->me.Title);
        SubEntry->LoadOptions = AddLoadOption(Entry->LoadOptions, L"splash");
      }
    }
    AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      FreePool(SubEntry->LoadOptions);
      if (WithSplash) {
        if (Quiet) {
          TempOptions = RemoveLoadOption(Entry->LoadOptions, L"splash");
          SubEntry->me.Title    = PoolPrint(L"%s verbose without splash", Entry->me.Title);
          SubEntry->LoadOptions = RemoveLoadOption(TempOptions, L"quiet");
          FreePool(TempOptions);
        } else {
          TempOptions = RemoveLoadOption(Entry->LoadOptions, L"splash");
          SubEntry->me.Title    = PoolPrint(L"%s quiet without splash", Entry->me.Title);
          SubEntry->LoadOptions = AddLoadOption(TempOptions, L"quiet");
          FreePool(TempOptions);
        }
      } else if (Quiet) {
        TempOptions = RemoveLoadOption(Entry->LoadOptions, L"quiet");
        SubEntry->me.Title    = PoolPrint(L"%s verbose with splash", Entry->me.Title);
        SubEntry->LoadOptions = AddLoadOption(Entry->LoadOptions, L"splash");
        FreePool(TempOptions);
      } else {
        SubEntry->me.Title    = PoolPrint(L"%s quiet with splash", Entry->me.Title);
        SubEntry->LoadOptions = AddLoadOption(Entry->LoadOptions, L"quiet splash");
      }
    }
    AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
  } else if ((Entry->LoaderType == OSTYPE_WIN) || (Entry->LoaderType == OSTYPE_WINEFI)) {
    // by default, skip the built-in selection and boot from hard disk only
    Entry->LoadOptions = PoolPrint(L"-s -h");
    
    // default entry
    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      SubEntry->me.Title = PoolPrint(L"Run %s", FileName);
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }

    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      SubEntry->me.Title        = PoolPrint(L"Boot Windows from Hard Disk");
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }

    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      SubEntry->me.Title        = PoolPrint(L"Boot Windows from CD-ROM");
      SubEntry->LoadOptions     = PoolPrint(L"-s -c");
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }

    SubEntry = DuplicateLoaderEntry(Entry);
    if (SubEntry) {
      SubEntry->me.Title        = PoolPrint(L"Run %s in text mode", FileName);
      SubEntry->Flags           = OSFLAG_UNSET(SubEntry->Flags, OSFLAG_USEGRAPHICS);
      SubEntry->LoadOptions     = PoolPrint(L"-v");
      SubEntry->LoaderType      = OSTYPE_OTHER; // Sothor - Why are we using OSTYPE_OTHER here?
      AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
    }

  }

  AddMenuEntry(SubScreen, &MenuEntryReturn);
  Entry->me.SubScreen = SubScreen;
  // DBG("    Added '%s': OSType='%d', OSVersion='%a'\n", Entry->me.Title, Entry->LoaderType, Entry->OSVersion);
}

STATIC BOOLEAN AddLoaderEntry(IN CONST CHAR16 *LoaderPath, IN CONST CHAR16 *LoaderOptions,
                              IN CONST CHAR16 *LoaderTitle,
                              IN REFIT_VOLUME *Volume, IN EG_IMAGE *Image,
                              IN UINT8 OSType, IN UINT8 Flags)
{
  LOADER_ENTRY *Entry;
  INTN          HVi;

  if ((LoaderPath == NULL) || (Volume == NULL) || (Volume->RootDir == NULL) || !FileExists(Volume->RootDir, LoaderPath)) {
    return FALSE;
  }

  DBG("        AddLoaderEntry for Volume Name=%s\n", Volume->VolName);
  if (OSFLAG_ISSET(Flags, OSFLAG_DISABLED)) {
    DBG("        skipped because entry is disabled\n");
    return FALSE;
  }
  if (!gSettings.ShowHiddenEntries && OSFLAG_ISSET(Flags, OSFLAG_HIDDEN)) {
    DBG("        skipped because entry is hidden\n");
    return FALSE;
  }
  //don't add hided entries
  if (!gSettings.ShowHiddenEntries) {
    for (HVi = 0; HVi < gSettings.HVCount; HVi++) {
      if (StriStr(LoaderPath, gSettings.HVHideStrings[HVi])) {
        DBG("        hiding entry: %s\n", LoaderPath);
        return FALSE;
      }
    }
  }

  Entry = CreateLoaderEntry(LoaderPath, LoaderOptions, NULL, LoaderTitle, Volume, Image, NULL, OSType, Flags, 0, NULL, CUSTOM_BOOT_DISABLED, NULL, NULL, FALSE);
  if (Entry != NULL) {
    if ((Entry->LoaderType == OSTYPE_OSX) ||
        (Entry->LoaderType == OSTYPE_OSX_INSTALLER ) ||
        (Entry->LoaderType == OSTYPE_RECOVERY)) {
      if (gSettings.WithKexts) {
        Entry->Flags = OSFLAG_SET(Entry->Flags, OSFLAG_WITHKEXTS);
      }
      if (gSettings.WithKextsIfNoFakeSMC) {
        Entry->Flags = OSFLAG_SET(Entry->Flags, OSFLAG_CHECKFAKESMC);
        Entry->Flags = OSFLAG_SET(Entry->Flags, OSFLAG_WITHKEXTS);
      }
      if (gSettings.NoCaches) {
        Entry->Flags = OSFLAG_SET(Entry->Flags, OSFLAG_NOCACHES);
      }
    }
    //TODO there is a problem that Entry->Flags is unique while InputItems are global ;(
//    InputItems[69].IValue = Entry->Flags;
    AddDefaultMenu(Entry);
    AddMenuEntry(&MainMenu, (REFIT_MENU_ENTRY *)Entry);
    return TRUE;
  }
  return FALSE;
}
//constants
CHAR16  APFSFVBootPath[75]      = L"\\00000000-0000-0000-0000-000000000000\\System\\Library\\CoreServices\\boot.efi"; 
CHAR16  APFSRecBootPath[47]     = L"\\00000000-0000-0000-0000-000000000000\\boot.efi";
CHAR16  APFSInstallBootPath[67] = L"\\00000000-0000-0000-0000-000000000000\\com.apple.installer\\boot.efi";

#define Paper 1
#define Rock  2
#define Scissor 4

VOID AddPRSEntry(REFIT_VOLUME *Volume)
{
  INTN WhatBoot = 0;
//  CONST INTN Paper = 1;
//  CONST INTN Rock = 2;
//  CONST INTN Scissor = 4;

  WhatBoot |= FileExists(Volume->RootDir, RockBoot)?Rock:0;
  WhatBoot |= FileExists(Volume->RootDir, PaperBoot)?Paper:0;
  WhatBoot |= FileExists(Volume->RootDir, ScissorBoot)?Scissor:0;
  switch (WhatBoot) {
    case Paper:
    case (Paper | Rock):
      AddLoaderEntry(PaperBoot, NULL, L"macOS InstallP", Volume, NULL, OSTYPE_OSX_INSTALLER, 0);
      break;
    case Scissor:
    case (Paper | Scissor):
      AddLoaderEntry(ScissorBoot, NULL, L"macOS InstallS", Volume, NULL, OSTYPE_OSX_INSTALLER, 0);
      break;
    case Rock:
    case (Rock | Scissor):
    case (Rock | Scissor | Paper):
      AddLoaderEntry(RockBoot, NULL, L"macOS InstallR", Volume, NULL, OSTYPE_OSX_INSTALLER, 0);
      break;

    default:
      break;
  }
}
#undef Paper
#undef Rock
#undef Scissor

VOID ScanLoader(VOID)
{
  UINTN         VolumeIndex, Index;
  REFIT_VOLUME *Volume;
  EFI_GUID     *PartGUID;

  //DBG("Scanning loaders...\n");
  DbgHeader("ScanLoader");
   
  for (VolumeIndex = 0; VolumeIndex < Volumes.size(); VolumeIndex++) {
    Volume = &Volumes[VolumeIndex];
    if (Volume->RootDir == NULL) { // || Volume->VolName == NULL)
      //DBG(", no file system\n", VolumeIndex);
      continue;
    }
    DBG("- [%02d]: '%s'", VolumeIndex, Volume->VolName);
    if (Volume->VolName == NULL) {
      Volume->VolName = L"Unknown";
    }

    // skip volume if its kind is configured as disabled
    if ((Volume->DiskKind == DISK_KIND_OPTICAL && (GlobalConfig.DisableFlags & VOLTYPE_OPTICAL)) ||
        (Volume->DiskKind == DISK_KIND_EXTERNAL && (GlobalConfig.DisableFlags & VOLTYPE_EXTERNAL)) ||
        (Volume->DiskKind == DISK_KIND_INTERNAL && (GlobalConfig.DisableFlags & VOLTYPE_INTERNAL)) ||
        (Volume->DiskKind == DISK_KIND_FIREWIRE && (GlobalConfig.DisableFlags & VOLTYPE_FIREWIRE)))
    {
      DBG(", hidden\n");
      continue;
    }

    if (Volume->Hidden) {
      DBG(", hidden\n");
      continue;
    }
    DBG("\n");

    // check for Mac OS X Install Data
    // 1st stage - createinstallmedia
    if (FileExists(Volume->RootDir, L"\\.IABootFiles\\boot.efi")) {
      if (FileExists(Volume->RootDir, L"\\Install OS X Mavericks.app") ||
          FileExists(Volume->RootDir, L"\\Install OS X Yosemite.app") ||
          FileExists(Volume->RootDir, L"\\Install OS X El Capitan.app")) {
        AddLoaderEntry(L"\\.IABootFiles\\boot.efi", NULL, L"OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.9 - 10.11
      } else {
        AddLoaderEntry(L"\\.IABootFiles\\boot.efi", NULL, L"macOS Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.12 - 10.13.3
      }
    } else if (FileExists(Volume->RootDir, L"\\.IAPhysicalMedia") && FileExists(Volume->RootDir, MACOSX_LOADER_PATH)) {
      AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"macOS Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.13.4+
    }
    // 2nd stage - InstallESD/AppStore/startosinstall/Fusion Drive
    AddLoaderEntry(L"\\Mac OS X Install Data\\boot.efi", NULL, L"Mac OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.7
    AddLoaderEntry(L"\\OS X Install Data\\boot.efi", NULL, L"OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.8 - 10.11
    AddLoaderEntry(L"\\macOS Install Data\\boot.efi", NULL, L"macOS Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.12 - 10.12.3
    AddLoaderEntry(L"\\macOS Install Data\\Locked Files\\Boot Files\\boot.efi", NULL, L"macOS Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.12.4+
    AddPRSEntry(Volume); // 10.12+

    // Netinstall
    AddLoaderEntry(L"\\NetInstall macOS High Sierra.nbi\\i386\\booter", NULL, L"macOS Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0);

    // Use standard location for boot.efi, according to the install files is present
    // That file indentifies a DVD/ESD/BaseSystem/Fusion Drive Install Media, so when present, check standard path to avoid entry duplication
    if (FileExists(Volume->RootDir, MACOSX_LOADER_PATH)) {
      if (FileExists(Volume->RootDir, L"\\System\\Installation\\CDIS\\Mac OS X Installer.app")) {
        // InstallDVD/BaseSystem
        AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"Mac OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.6/10.7
      } else if (FileExists(Volume->RootDir, L"\\System\\Installation\\CDIS\\OS X Installer.app")) {
        // BaseSystem
        AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.8 - 10.11
      } else if (FileExists(Volume->RootDir, L"\\System\\Installation\\CDIS\\macOS Installer.app")) {
        // BaseSystem
        AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"macOS Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.12+
      } else if (FileExists(Volume->RootDir, L"\\BaseSystem.dmg") && FileExists(Volume->RootDir, L"\\mach_kernel")) {
        // InstallESD
        if (FileExists(Volume->RootDir, L"\\MacOSX_Media_Background.png")) {
          AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"Mac OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.7
        } else {
          AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.8
        }
      } else if (FileExists(Volume->RootDir, L"\\com.apple.boot.R\\System\\Library\\PrelinkedKernels\\prelinkedkernel") ||
                 FileExists(Volume->RootDir, L"\\com.apple.boot.P\\System\\Library\\PrelinkedKernels\\prelinkedkernel") ||
                 FileExists(Volume->RootDir, L"\\com.apple.boot.S\\System\\Library\\PrelinkedKernels\\prelinkedkernel")) {
        if (StriStr(Volume->VolName, L"Recovery") != NULL) {
          // FileVault of HFS+
          // TODO: need info for 10.11 and lower
          AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"macOS FileVault", Volume, NULL, OSTYPE_OSX, 0); // 10.12+
        } else {
          // Fusion Drive
          AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"OS X Install", Volume, NULL, OSTYPE_OSX_INSTALLER, 0); // 10.11
        }
      } else if (!FileExists(Volume->RootDir, L"\\.IAPhysicalMedia")) {
        // Installed
        if (EFI_ERROR(GetRootUUID(Volume)) || isFirstRootUUID(Volume)) {
          if (!FileExists(Volume->RootDir, L"\\System\\Library\\CoreServices\\NotificationCenter.app") && !FileExists(Volume->RootDir, L"\\System\\Library\\CoreServices\\Siri.app")) {
            AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"Mac OS X", Volume, NULL, OSTYPE_OSX, 0); // 10.6 - 10.7
          } else if (FileExists(Volume->RootDir, L"\\System\\Library\\CoreServices\\NotificationCenter.app") && !FileExists(Volume->RootDir, L"\\System\\Library\\CoreServices\\Siri.app")) {
            AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"OS X", Volume, NULL, OSTYPE_OSX, 0); // 10.8 - 10.11
          } else {
            AddLoaderEntry(MACOSX_LOADER_PATH, NULL, L"macOS", Volume, NULL, OSTYPE_OSX, 0); // 10.12+
          }
        }
      }
    }

    /* APFS Container support. 
     * s.mtr 2017
     */
    if ((StriCmp(Volume->VolName, L"Recovery") == 0 || StriCmp(Volume->VolName, L"Preboot") == 0) && APFSSupport == TRUE) {
      for (UINTN i = 0; i < APFSUUIDBankCounter + 1; i++) {
        //Store current UUID
        CHAR16 *CurrentUUID = GuidLEToStr((EFI_GUID *)((UINT8 *)APFSUUIDBank + i * 0x10));
        //Fill with current UUID
        StrnCpy(APFSFVBootPath + 1, CurrentUUID, 36);
        StrnCpy(APFSRecBootPath + 1, CurrentUUID, 36);
        StrnCpy(APFSInstallBootPath + 1, CurrentUUID, 36);
        //Try to add FileVault entry
        AddLoaderEntry(APFSFVBootPath, NULL, L"FileVault Prebooter", Volume, NULL, OSTYPE_OSX, 0);
        //Try to add Recovery APFS entry
        AddLoaderEntry(APFSRecBootPath, NULL, L"Recovery", Volume, NULL, OSTYPE_RECOVERY, 0);
        //Try to add macOS install entry
        AddLoaderEntry(APFSInstallBootPath, NULL, L"macOS Install Prebooter", Volume, NULL, OSTYPE_OSX_INSTALLER, 0);
        FreePool(CurrentUUID);
      }
    }

    // check for Mac OS X Recovery Boot
    AddLoaderEntry(L"\\com.apple.recovery.boot\\boot.efi", NULL, L"Recovery", Volume, NULL, OSTYPE_RECOVERY, 0);

    // Sometimes, on some systems (HP UEFI, if Win is installed first)
    // it is needed to get rid of bootmgfw.efi to allow starting of
    // Clover as /efi/boot/bootx64.efi from HD. We can do that by renaming
    // bootmgfw.efi to bootmgfw-orig.efi
    AddLoaderEntry(L"\\EFI\\microsoft\\Boot\\bootmgfw-orig.efi", L"", L"Microsoft EFI", Volume, NULL, OSTYPE_WINEFI, 0);
    // check for Microsoft boot loader/menu
    // If there is bootmgfw-orig.efi, then do not check for bootmgfw.efi
    // since on some systems this will actually be CloverX64.efi
    // renamed to bootmgfw.efi
    AddLoaderEntry(L"\\EFI\\microsoft\\Boot\\bootmgfw.efi", L"", L"Microsoft EFI Boot", Volume, NULL, OSTYPE_WINEFI, 0);
    // check for Microsoft boot loader/menu. This entry is redundant so excluded
    // AddLoaderEntry(L"\\bootmgr.efi", L"", L"Microsoft EFI mgrboot", Volume, NULL, OSTYPE_WINEFI, 0);
    // check for Microsoft boot loader/menu on CDROM
    if (!AddLoaderEntry(L"\\EFI\\MICROSOFT\\BOOT\\cdboot.efi", L"", L"Microsoft EFI cdboot", Volume, NULL, OSTYPE_WINEFI, 0)) {
      AddLoaderEntry(L"\\EFI\\MICROSOF\\BOOT\\CDBOOT.EFI", L"", L"Microsoft EFI CDBOOT", Volume, NULL, OSTYPE_WINEFI, 0);
    }

#if defined(ANDX86)
    if (TRUE) { //gSettings.AndroidScan
      // check for Android loaders
      for (Index = 0; Index < AndroidEntryDataCount; ++Index) {
        UINTN aIndex, aFound;
        if (FileExists(Volume->RootDir, AndroidEntryData[Index].Path)) {
          aFound = 0;
          for (aIndex = 0; aIndex < ANDX86_FINDLEN; ++aIndex) {
            if ((AndroidEntryData[Index].Find[aIndex] == NULL) || FileExists(Volume->RootDir, AndroidEntryData[Index].Find[aIndex])) ++aFound;
          }
          if (aFound && (aFound == aIndex)) {
            AddLoaderEntry(AndroidEntryData[Index].Path, L"", AndroidEntryData[Index].Title, Volume,
                           LoadOSIcon(AndroidEntryData[Index].Icon, L"unknown", 128, FALSE, TRUE), OSTYPE_LIN, OSFLAG_NODEFAULTARGS);
          }
        }
      }
    }
#endif

    if (gSettings.LinuxScan) {
      // check for linux loaders
      for (Index = 0; Index < LinuxEntryDataCount; ++Index) {
        AddLoaderEntry(LinuxEntryData[Index].Path, L"", LinuxEntryData[Index].Title, Volume,
                       LoadOSIcon(LinuxEntryData[Index].Icon, L"unknown", 128, FALSE, TRUE), OSTYPE_LIN, OSFLAG_NODEFAULTARGS);
      }
      // check for linux kernels
      PartGUID = FindGPTPartitionGuidInDevicePath(Volume->DevicePath);
      if ((PartGUID != NULL) && (Volume->RootDir != NULL)) {
        REFIT_DIR_ITER  Iter;
        EFI_FILE_INFO  *FileInfo = NULL;
        EFI_TIME        PreviousTime;
        CHAR16         *Path = NULL;
        CHAR16         *Options;
        // Get the partition UUID and make sure it's lower case
        CHAR16          PartUUID[40];
        ZeroMem(&PreviousTime, sizeof(EFI_TIME));
        UnicodeSPrint(PartUUID, sizeof(PartUUID), L"%g", PartGUID);
        StrToLower(PartUUID);
        // open the /boot directory (or whatever directory path)
        DirIterOpen(Volume->RootDir, LINUX_BOOT_PATH, &Iter);
        // Check which kernel scan to use
        switch (gSettings.KernelScan) {
          case KERNEL_SCAN_FIRST:
            // First kernel found only
            while (DirIterNext(&Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
              if (FileInfo != NULL) {
                if (FileInfo->FileSize == 0) {
                  FreePool(FileInfo);
                  FileInfo = NULL;
                  continue;
                }
                // get the kernel file path
                Path = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                if (Path != NULL) {
                  Options = LinuxKernelOptions(Iter.DirHandle, Basename(Path) + StrLen(LINUX_LOADER_PATH), PartUUID, NULL);
                  // Add the entry
                  AddLoaderEntry(Path, (Options == NULL) ? LINUX_DEFAULT_OPTIONS : Options, NULL, Volume, NULL, OSTYPE_LINEFI, OSFLAG_NODEFAULTARGS);
                  if (Options != NULL) {
                    FreePool(Options);
                  }
                  FreePool(Path);
                }
                // free the file info
                FreePool(FileInfo);
                FileInfo = NULL;
                break;
              }
            }
            break;

          case KERNEL_SCAN_LAST:
            // Last kernel found only
            while (DirIterNext(&Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
              if (FileInfo != NULL) {
                if (FileInfo->FileSize > 0) {
                  // get the kernel file path
                  if (Path != NULL) {
                    FreePool(Path);
                  }
                  Path = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                }
                // free the file info
                FreePool(FileInfo);
                FileInfo = NULL;
              }
            }
            if (Path != NULL) {
              Options = LinuxKernelOptions(Iter.DirHandle, Basename(Path) + StrLen(LINUX_LOADER_PATH), PartUUID, NULL);
              // Add the entry
              AddLoaderEntry(Path, (Options == NULL) ? LINUX_DEFAULT_OPTIONS : Options, NULL, Volume, NULL, OSTYPE_LINEFI, OSFLAG_NODEFAULTARGS);
              if (Options != NULL) {
                FreePool(Options);
              }
              FreePool(Path);
            }
            break;

          case KERNEL_SCAN_NEWEST:
            // Newest dated kernel only
            while (DirIterNext(&Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
              if (FileInfo != NULL) {
                if (FileInfo->FileSize > 0) {
                  // get the kernel file path
                  if ((PreviousTime.Year == 0) || (TimeCmp(&PreviousTime, &(FileInfo->ModificationTime)) < 0)) {
                    if (Path != NULL) {
                      FreePool(Path);
                    }
                    Path = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                    PreviousTime = FileInfo->ModificationTime;
                  }
                }
                // free the file info
                FreePool(FileInfo);
                FileInfo = NULL;
              }
            }
            if (Path != NULL) {
              Options = LinuxKernelOptions(Iter.DirHandle, Basename(Path) + StrLen(LINUX_LOADER_PATH), PartUUID, NULL);
              // Add the entry
              AddLoaderEntry(Path, (Options == NULL) ? LINUX_DEFAULT_OPTIONS : Options, NULL, Volume, NULL, OSTYPE_LINEFI, OSFLAG_NODEFAULTARGS);
              if (Options != NULL) {
                FreePool(Options);
              }
              FreePool(Path);
            }
            break;

          case KERNEL_SCAN_OLDEST:
            // Oldest dated kernel only
            while (DirIterNext(&Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
              if (FileInfo != NULL) {
                if (FileInfo->FileSize > 0) {
                  // get the kernel file path
                  if ((PreviousTime.Year == 0) || (TimeCmp(&PreviousTime, &(FileInfo->ModificationTime)) > 0)) {
                    if (Path != NULL) {
                      FreePool(Path);
                    }
                    Path = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                    PreviousTime = FileInfo->ModificationTime;
                  }
                }
                // free the file info
                FreePool(FileInfo);
                FileInfo = NULL;
              }
            }
            if (Path != NULL) {
              Options = LinuxKernelOptions(Iter.DirHandle, Basename(Path) + StrLen(LINUX_LOADER_PATH), PartUUID, NULL);
              // Add the entry
              AddLoaderEntry(Path, (Options == NULL) ? LINUX_DEFAULT_OPTIONS : Options, NULL, Volume, NULL, OSTYPE_LINEFI, OSFLAG_NODEFAULTARGS);
              if (Options != NULL) {
                FreePool(Options);
              }
              FreePool(Path);
            }
            break;

          case KERNEL_SCAN_MOSTRECENT:
            // most recent kernel version only
            while (DirIterNext(&Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
              if (FileInfo != NULL) {
                if (FileInfo->FileSize > 0) {
                  // get the kernel file path
                  CHAR16 *NewPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                  if (NewPath != NULL) {
                    if ((Path == NULL) || (StrCmp(Path, NewPath) < 0)) {
                      if (Path != NULL) {
                        FreePool(Path);
                      }
                      Path = NewPath;
                    } else {
                      FreePool(NewPath);
                    }
                  }
                }
                // free the file info
                FreePool(FileInfo);
                FileInfo = NULL;
              }
            }
            if (Path != NULL) {
              Options = LinuxKernelOptions(Iter.DirHandle, Basename(Path) + StrLen(LINUX_LOADER_PATH), PartUUID, NULL);
              // Add the entry
              AddLoaderEntry(Path, (Options == NULL) ? LINUX_DEFAULT_OPTIONS : Options, NULL, Volume, NULL, OSTYPE_LINEFI, OSFLAG_NODEFAULTARGS);
              if (Options != NULL) {
                FreePool(Options);
              }
              FreePool(Path);
            }
            break;

          case KERNEL_SCAN_EARLIEST:
            // earliest kernel version only
            while (DirIterNext(&Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
              if (FileInfo != NULL) {
                if (FileInfo->FileSize > 0) {
                  // get the kernel file path
                  CHAR16 *NewPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                  if (NewPath != NULL) {
                    if ((Path == NULL) || (StrCmp(Path, NewPath) > 0)) {
                      if (Path != NULL) {
                        FreePool(Path);
                      }
                      Path = NewPath;
                    } else {
                      FreePool(NewPath);
                    }
                  }
                }
                // free the file info
                FreePool(FileInfo);
                FileInfo = NULL;
              }
            }
            if (Path != NULL) {
              Options = LinuxKernelOptions(Iter.DirHandle, Basename(Path) + StrLen(LINUX_LOADER_PATH), PartUUID, NULL);
              // Add the entry
              AddLoaderEntry(Path, (Options == NULL) ? LINUX_DEFAULT_OPTIONS : Options, NULL, Volume, NULL, OSTYPE_LINEFI, OSFLAG_NODEFAULTARGS);
              if (Options != NULL) {
                FreePool(Options);
              }
              FreePool(Path);
            }
            break;

          case KERNEL_SCAN_ALL:
            // get all the filename matches
            while (DirIterNext(&Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
              if (FileInfo != NULL) {
                if (FileInfo->FileSize > 0) {
                  // get the kernel file path
                  Path = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                  if (Path != NULL) {
                    Options = LinuxKernelOptions(Iter.DirHandle, Basename(Path) + StrLen(LINUX_LOADER_PATH), PartUUID, NULL);
                    // Add the entry
                    AddLoaderEntry(Path, (Options == NULL) ? LINUX_DEFAULT_OPTIONS : Options, NULL, Volume, NULL, OSTYPE_LINEFI, OSFLAG_NODEFAULTARGS);
                    if (Options != NULL) {
                      FreePool(Options);
                    }
                    FreePool(Path);
                  }
                }
                // free the file info
                FreePool(FileInfo);
                FileInfo = NULL;
              }
            }
            break;

          case KERNEL_SCAN_NONE:
          default:
            // No kernel scan
            break;
        }
        //close the directory
        DirIterClose(&Iter);
      }
    } //if linux scan

    //     DBG("search for  optical UEFI\n");
    if (Volume->DiskKind == DISK_KIND_OPTICAL) {
      AddLoaderEntry(BOOT_LOADER_PATH, L"", L"UEFI optical", Volume, NULL, OSTYPE_OTHER, 0);
    }
    //     DBG("search for internal UEFI\n");
    if (Volume->DiskKind == DISK_KIND_INTERNAL) {
      AddLoaderEntry(BOOT_LOADER_PATH, L"", L"UEFI internal", Volume, NULL, OSTYPE_OTHER, OSFLAG_HIDDEN);
    }
    //    DBG("search for external UEFI\n");
    if (Volume->DiskKind == DISK_KIND_EXTERNAL) {
      AddLoaderEntry(BOOT_LOADER_PATH, L"", L"UEFI external", Volume, NULL, OSTYPE_OTHER, OSFLAG_HIDDEN);
    }
  }

}

STATIC VOID AddCustomEntry(IN UINTN                CustomIndex,
                           IN CONST CHAR16              *CustomPath,
                           IN CUSTOM_LOADER_ENTRY *Custom,
                           IN REFIT_MENU_SCREEN   *SubMenu)
{
  UINTN           VolumeIndex;
  REFIT_VOLUME   *Volume;
  REFIT_DIR_ITER  SIter;
  REFIT_DIR_ITER *Iter = &SIter;
  CHAR16          PartUUID[40];
  BOOLEAN         IsSubEntry = (SubMenu != NULL);
  BOOLEAN         FindCustomPath = (CustomPath == NULL);

  if (Custom == NULL) {
    return;
  }

  if (FindCustomPath && (Custom->Type != OSTYPE_LINEFI)) {
    DBG("Custom %sentry %d skipped because it didn't have a ", IsSubEntry ? L"sub " : L"", CustomIndex);
    if (Custom->Type == 0) {
      DBG("Type.\n");
    } else {
      DBG("Path.\n");
    }
    return;
  }

  if (OSFLAG_ISSET(Custom->Flags, OSFLAG_DISABLED)) {
    DBG("Custom %sentry %d skipped because it is disabled.\n", IsSubEntry ? L"sub " : L"", CustomIndex);
    return;
  }
  if (!gSettings.ShowHiddenEntries && OSFLAG_ISSET(Custom->Flags, OSFLAG_HIDDEN)) {
    DBG("Custom %sentry %d skipped because it is hidden.\n", IsSubEntry ? L"sub " : L"", CustomIndex);
    return;
  }

  DBG("Custom %sentry %d ", IsSubEntry ? L"sub " : L"", CustomIndex);
  if (Custom->Title) {
    DBG("Title:\"%s\" ", Custom->Title);
  }
  if (Custom->FullTitle) {
    DBG("FullTitle:\"%s\" ", Custom->FullTitle);
  }
  if (CustomPath) {
    DBG("Path:\"%s\" ", CustomPath);
  }
  if (Custom->Options != NULL) {
    DBG("Options:\"%s\" ", Custom->Options);
  }
  DBG("Type:%d Flags:0x%X matching ", Custom->Type, Custom->Flags);
  if (Custom->Volume) {
    DBG("Volume:\"%s\"\n", Custom->Volume);
  } else {
    DBG("all volumes\n");
  }

  for (VolumeIndex = 0; VolumeIndex < Volumes.size(); ++VolumeIndex) {
    CUSTOM_LOADER_ENTRY *CustomSubEntry;
    LOADER_ENTRY        *Entry = NULL;
    EG_IMAGE            *Image, *DriveImage;
    EFI_GUID            *Guid = NULL;
    UINT64               VolumeSize;

    Volume = &Volumes[VolumeIndex];
    if ((Volume == NULL) || (Volume->RootDir == NULL)) {
      continue;
    }
    if (Volume->VolName == NULL) {
      Volume->VolName = L"Unknown";
    }

    DBG("    Checking volume \"%s\" (%s) ... ", Volume->VolName, Volume->DevicePathString);

    // skip volume if its kind is configured as disabled
    if ((Volume->DiskKind == DISK_KIND_OPTICAL  && (GlobalConfig.DisableFlags & VOLTYPE_OPTICAL))  ||
        (Volume->DiskKind == DISK_KIND_EXTERNAL && (GlobalConfig.DisableFlags & VOLTYPE_EXTERNAL)) ||
        (Volume->DiskKind == DISK_KIND_INTERNAL && (GlobalConfig.DisableFlags & VOLTYPE_INTERNAL)) ||
        (Volume->DiskKind == DISK_KIND_FIREWIRE && (GlobalConfig.DisableFlags & VOLTYPE_FIREWIRE)))
    {
      DBG("skipped because media is disabled\n");
      continue;
    }

    if (Custom->VolumeType != 0) {
      if ((Volume->DiskKind == DISK_KIND_OPTICAL  && ((Custom->VolumeType & VOLTYPE_OPTICAL) == 0))  ||
          (Volume->DiskKind == DISK_KIND_EXTERNAL && ((Custom->VolumeType & VOLTYPE_EXTERNAL) == 0)) ||
          (Volume->DiskKind == DISK_KIND_INTERNAL && ((Custom->VolumeType & VOLTYPE_INTERNAL) == 0)) ||
          (Volume->DiskKind == DISK_KIND_FIREWIRE && ((Custom->VolumeType & VOLTYPE_FIREWIRE) == 0))) {
        DBG("skipped because media is ignored\n");
        continue;
      }
    }

    if (Volume->Hidden) {
      DBG("skipped because volume is hidden\n");
      continue;
    }

    // Check for exact volume matches
    if (Custom->Volume) {

      if ((StrStr(Volume->DevicePathString, Custom->Volume) == NULL) &&
          ((Volume->VolName == NULL) || (StrStr(Volume->VolName, Custom->Volume) == NULL))) {
        DBG("skipped\n");
        continue;
      }
      // NOTE: Sothor - We dont care about legacy OS type // Check if the volume should be of certain os type
      //if ((Custom->Type != 0) && (Volume->OSType != 0) && !OSTYPE_COMPARE(OSType, Volume->OSType)) {
      //  DBG("skipped because wrong type (%d != %d)\n", OSType, Volume->OSType);
      //  continue;
      //}
      //} else if ((Custom->Type != 0) && (Volume->OSType != 0) && !OSTYPE_COMPARE(OSType, Volume->OSType)) {
      //DBG("skipped because wrong type (%d != %d)\n", OSType, Volume->OSType);
      //continue;
    }
    // Check the volume is readable and the entry exists on the volume
    if (Volume->RootDir == NULL) {
      DBG("skipped because filesystem is not readable\n");
      continue;
    }
    /*
    if (StriCmp(CustomPath, MACOSX_LOADER_PATH) == 0 && FileExists(Volume->RootDir, L"\\.IAPhysicalMedia")) {
      DBG("skipped standard macOS path because volume is 2nd stage Install Media\n");
      continue;
    } */
    Guid = FindGPTPartitionGuidInDevicePath(Volume->DevicePath);
    // Open the boot directory to search for kernels
    if (FindCustomPath) {
      EFI_FILE_INFO *FileInfo = NULL;
      EFI_TIME       PreviousTime;
      ZeroMem(&PreviousTime, sizeof(EFI_TIME));
      // Get the partition UUID and make sure it's lower case
      if (Guid == NULL) {
        DBG("skipped because volume does not have partition uuid\n");
        continue;
      }
      UnicodeSPrint(PartUUID, sizeof(PartUUID), L"%g", Guid);
      StrToLower(PartUUID);
      // open the /boot directory (or whatever directory path)
      DirIterOpen(Volume->RootDir, LINUX_BOOT_PATH, Iter);
      // Check if user wants to find newest kernel only
      switch (Custom->KernelScan) {
        case KERNEL_SCAN_FIRST:
          // First kernel found only
          while (DirIterNext(Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
            if (FileInfo != NULL) {
              if (FileInfo->FileSize == 0) {
                FreePool(FileInfo);
                FileInfo = NULL;
                continue;
              }
              // get the kernel file path
              CustomPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
              // free the file info
              FreePool(FileInfo);
              FileInfo = NULL;
              break;
            }
          }
          break;

        case KERNEL_SCAN_LAST:
          // Last kernel found only
          while (DirIterNext(Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
            if (FileInfo != NULL) {
              if (FileInfo->FileSize > 0) {
                // get the kernel file path
                if (CustomPath != NULL) {
                  FreePool(CustomPath);
                }
                CustomPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
              }
              // free the file info
              FreePool(FileInfo);
              FileInfo = NULL;
            }
          }
          break;

        case KERNEL_SCAN_NEWEST:
          // Newest dated kernel only
          while (DirIterNext(Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
            if (FileInfo != NULL) {
              if (FileInfo->FileSize > 0) {
                // get the kernel file path
                if ((PreviousTime.Year == 0) || (TimeCmp(&PreviousTime, &(FileInfo->ModificationTime)) < 0)) {
                  if (CustomPath != NULL) {
                    FreePool(CustomPath);
                  }
                  CustomPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                  PreviousTime = FileInfo->ModificationTime;
                }
              }
              // free the file info
              FreePool(FileInfo);
              FileInfo = NULL;
            }
          }
          break;

        case KERNEL_SCAN_OLDEST:
          // Oldest dated kernel only
          while (DirIterNext(Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
            if (FileInfo != NULL) {
              if (FileInfo->FileSize > 0) {
                // get the kernel file path
                if ((PreviousTime.Year == 0) || (TimeCmp(&PreviousTime, &(FileInfo->ModificationTime)) > 0)) {
                  if (CustomPath != NULL) {
                    FreePool(CustomPath);
                  }
                  CustomPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                  PreviousTime = FileInfo->ModificationTime;
                }
              }
              // free the file info
              FreePool(FileInfo);
              FileInfo = NULL;
            }
          }
          break;

        case KERNEL_SCAN_MOSTRECENT:
          // most recent kernel version only
          while (DirIterNext(Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
            if (FileInfo != NULL) {
              if (FileInfo->FileSize > 0) {
                // get the kernel file path
                CHAR16 *NewPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                if ((CustomPath == NULL) || (StrCmp(CustomPath, NewPath) < 0)) {
                  if (CustomPath != NULL) {
                    FreePool(CustomPath);
                  }
                  CustomPath = NewPath;
                } else {
                  FreePool(NewPath);
                }
              }
              // free the file info
              FreePool(FileInfo);
              FileInfo = NULL;
            }
          }
          break;

        case KERNEL_SCAN_EARLIEST:
          // earliest kernel version only
          while (DirIterNext(Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo)) {
            if (FileInfo != NULL) {
              if (FileInfo->FileSize > 0) {
                // get the kernel file path
                CHAR16 *NewPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
                if ((CustomPath == NULL) || (StrCmp(CustomPath, NewPath) > 0)) {
                  if (CustomPath != NULL) {
                    FreePool(CustomPath);
                  }
                  CustomPath = NewPath;
                } else {
                  FreePool(NewPath);
                }
              }
              // free the file info
              FreePool(FileInfo);
              FileInfo = NULL;
            }
          }
          break;

        default:
          // Set scan to all just in case
          Custom->KernelScan = KERNEL_SCAN_ALL;
          break;
      }
    } else if (!FileExists(Volume->RootDir, CustomPath)) {
      DBG("skipped because path does not exist\n");
      continue;
    }

    // Change to custom image if needed
    Image = Custom->Image;
    if ((Image == NULL) && Custom->ImagePath) {
      Image = egLoadImage(Volume->RootDir, Custom->ImagePath, TRUE);
      if (Image == NULL) {
        Image = egLoadImage(ThemeDir, Custom->ImagePath, TRUE);
        if (Image == NULL) {
          Image = egLoadImage(SelfDir, Custom->ImagePath, TRUE);
          if (Image == NULL) {
            Image = egLoadImage(SelfRootDir, Custom->ImagePath, TRUE);
            if (Image == NULL) {
              Image = LoadOSIcon(Custom->ImagePath, L"unknown", 128, FALSE, FALSE);
            }
          }
        }
      }
    }

    // Change to custom drive image if needed
    DriveImage = Custom->DriveImage;
    if ((DriveImage == NULL) && Custom->DriveImagePath) {
      DriveImage = egLoadImage(Volume->RootDir, Custom->DriveImagePath, TRUE);
      if (DriveImage == NULL) {
        DriveImage = egLoadImage(ThemeDir, Custom->DriveImagePath, TRUE);
        if (DriveImage == NULL) {
          DriveImage = egLoadImage(SelfDir, Custom->DriveImagePath, TRUE);
          if (DriveImage == NULL) {
            DriveImage = egLoadImage(SelfRootDir, Custom->DriveImagePath, TRUE);
            if (DriveImage == NULL) {
              DriveImage = LoadBuiltinIcon(Custom->DriveImagePath);
            }
          }
        }
      }
    }
    do
    {
      // Search for linux kernels
      CONST CHAR16 *CustomOptions = Custom->Options;
      if (FindCustomPath && (Custom->KernelScan == KERNEL_SCAN_ALL)) {
        EFI_FILE_INFO *FileInfo = NULL;
        // Get the next kernel path or stop looking
        if (!DirIterNext(Iter, 2, LINUX_LOADER_SEARCH_PATH, &FileInfo) || (FileInfo == NULL)) {
          DBG("\n");
          break;
        }
        // who knows....
        if (FileInfo->FileSize == 0) {
          FreePool(FileInfo);
          continue;
        }
        // get the kernel file path
        CustomPath = PoolPrint(L"%s\\%s", LINUX_BOOT_PATH, FileInfo->FileName);
        // free the file info
        FreePool(FileInfo);
      }
      if (CustomPath == NULL) {
        DBG("skipped\n");
        break;
      }
      // Check to make sure we should update custom options or not
      if (FindCustomPath && OSFLAG_ISUNSET(Custom->Flags, OSFLAG_NODEFAULTARGS)) {
        // Find the init ram image and select root
        CustomOptions = LinuxKernelOptions(Iter->DirHandle, Basename(CustomPath) + StrLen(LINUX_LOADER_PATH), PartUUID, Custom->Options);
      }
      // Check to make sure that this entry is not hidden or disabled by another custom entry
      if (!IsSubEntry) {
        CUSTOM_LOADER_ENTRY *Ptr;
        UINTN                i = 0;
        BOOLEAN              BetterMatch = FALSE;
        for (Ptr = gSettings.CustomEntries; Ptr != NULL; ++i, Ptr = Ptr->Next) {
          // Don't match against this custom
          if (Ptr == Custom) {
            continue;
          }
          // Can only match the same types
          if (Custom->Type != Ptr->Type) {
            continue;
          }
          // Check if the volume string matches
          if (Custom->Volume != Ptr->Volume) {
            if (Ptr->Volume == NULL) {
              // Less precise volume match
              if (Custom->Path != Ptr->Path) {
                // Better path match
                BetterMatch = ((Ptr->Path != NULL) && (StrCmp(CustomPath, Ptr->Path) == 0) &&
                               ((Custom->VolumeType == Ptr->VolumeType) ||
                                (Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                                (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
              }
            } else if ((StrStr(Volume->DevicePathString, Custom->Volume) == NULL) &&
                       ((Volume->VolName == NULL) || (StrStr(Volume->VolName, Custom->Volume) == NULL))) {
              if (Custom->Volume == NULL) {
                // More precise volume match
                if (Custom->Path != Ptr->Path) {
                  // Better path match
                  BetterMatch = ((Ptr->Path != NULL) && (StrCmp(CustomPath, Ptr->Path) == 0) &&
                                 ((Custom->VolumeType == Ptr->VolumeType) ||
                                  (Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                                  (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                                  (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                                  (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
                } else if (Custom->VolumeType != Ptr->VolumeType) {
                  // More precise volume type match
                  BetterMatch = ((Custom->VolumeType == 0) &&
                                 ((Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                                  (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                                  (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                                  (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
                } else {
                  // Better match
                  BetterMatch = TRUE;
                }
              // Duplicate volume match
              } else if (Custom->Path != Ptr->Path) {
                // Better path match
                BetterMatch = ((Ptr->Path != NULL) && (StrCmp(CustomPath, Ptr->Path) == 0) &&
                               ((Custom->VolumeType == Ptr->VolumeType) ||
                                (Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                                (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
              // Duplicate path match
              } else if (Custom->VolumeType != Ptr->VolumeType) {
                // More precise volume type match
                BetterMatch = ((Custom->VolumeType == 0) &&
                               ((Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                                (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
              } else {
                // Duplicate entry
                BetterMatch = (i <= CustomIndex);
              }
            }
          // Duplicate volume match
          } else if (Custom->Path != Ptr->Path) {
            if (Ptr->Path == NULL) {
              // Less precise path match
              BetterMatch = ((Custom->VolumeType != Ptr->VolumeType) &&
                              ((Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                               (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                               (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                               (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
            } else if (StrCmp(CustomPath, Ptr->Path) == 0) {
              if (Custom->Path == NULL) {
                // More precise path and volume type match
                BetterMatch = ((Custom->VolumeType == Ptr->VolumeType) ||
                               (Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                               (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                               (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                               (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE)));
              } else if (Custom->VolumeType != Ptr->VolumeType) {
                // More precise volume type match
                BetterMatch = ((Custom->VolumeType == 0) &&
                               ((Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                                (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                                (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
              } else {
                // Duplicate entry
                BetterMatch = (i <= CustomIndex);
              }
            }
          // Duplicate path match
          } else if (Custom->VolumeType != Ptr->VolumeType) {
            // More precise volume type match
            BetterMatch = ((Custom->VolumeType == 0) &&
                           ((Volume->DiskKind == DISK_KIND_OPTICAL && (Custom->VolumeType & VOLTYPE_OPTICAL)) ||
                            (Volume->DiskKind == DISK_KIND_EXTERNAL && (Custom->VolumeType & VOLTYPE_EXTERNAL)) ||
                            (Volume->DiskKind == DISK_KIND_INTERNAL && (Custom->VolumeType & VOLTYPE_INTERNAL)) ||
                            (Volume->DiskKind == DISK_KIND_FIREWIRE && (Custom->VolumeType & VOLTYPE_FIREWIRE))));
          } else {
            // Duplicate entry
            BetterMatch = (i <= CustomIndex);
          }
          if (BetterMatch) {
            break;
          }
        }
        if (BetterMatch) {
          DBG("skipped because custom entry %d is a better match and will produce a duplicate entry\n", i);
          continue;
        }
      }
      DBG("match!\n");
      // Create an entry for this volume
      Entry = CreateLoaderEntry(CustomPath, CustomOptions, Custom->FullTitle, Custom->Title, Volume, Image, DriveImage, Custom->Type, Custom->Flags, Custom->Hotkey, Custom->BootBgColor, Custom->CustomBoot, Custom->CustomLogo, /*(KERNEL_AND_KEXT_PATCHES *)(((UINTN)Custom) + OFFSET_OF(CUSTOM_LOADER_ENTRY, KernelAndKextPatches))*/ NULL, TRUE);
      if (Entry != NULL) {
        DBG("Custom settings: %s.plist will %a be applied\n",
            Custom->Settings, Custom->CommonSettings?"not":"");
        if (!Custom->CommonSettings) {
          Entry->Settings = Custom->Settings;
        }
        if (OSFLAG_ISUNSET(Custom->Flags, OSFLAG_NODEFAULTMENU)) {
          AddDefaultMenu(Entry);
        } else if (Custom->SubEntries != NULL) {
          UINTN CustomSubIndex = 0;
          // Add subscreen
          REFIT_MENU_SCREEN *SubScreen = (__typeof__(SubScreen))AllocateZeroPool(sizeof(REFIT_MENU_SCREEN));
          if (SubScreen) {
            SubScreen->Title = PoolPrint(L"Boot Options for %s on %s", (Custom->Title != NULL) ? Custom->Title : CustomPath, Entry->VolName);
            SubScreen->TitleImage = Entry->me.Image;
            SubScreen->ID = Custom->Type + 20;
            SubScreen->AnimeRun = GetAnime(SubScreen);
            VolumeSize = RShiftU64(MultU64x32(Volume->BlockIO->Media->LastBlock, Volume->BlockIO->Media->BlockSize), 20);
            AddMenuInfoLine(SubScreen, PoolPrint(L"Volume size: %dMb", VolumeSize));
            AddMenuInfoLine(SubScreen, FileDevicePathToStr(Entry->DevicePath));
            if (Guid) {
              CHAR8 *GuidStr = (__typeof__(GuidStr))AllocateZeroPool(50);
              AsciiSPrint(GuidStr, 50, "%g", Guid);
              AddMenuInfoLine(SubScreen, PoolPrint(L"UUID: %a", GuidStr));
              FreePool(GuidStr);
            }
            AddMenuInfoLine(SubScreen, PoolPrint(L"Options: %s", Entry->LoadOptions));
            DBG("Create sub entries\n");
            for (CustomSubEntry = Custom->SubEntries; CustomSubEntry; CustomSubEntry = CustomSubEntry->Next) {
              if (!CustomSubEntry->Settings) {
                CustomSubEntry->Settings = Custom->Settings;
              }
              AddCustomEntry(CustomSubIndex++, (CustomSubEntry->Path != NULL) ? CustomSubEntry->Path : CustomPath, CustomSubEntry, SubScreen);
            }
            AddMenuEntry(SubScreen, &MenuEntryReturn);
            Entry->me.SubScreen = SubScreen;
          }
        }
        AddMenuEntry(IsSubEntry ? SubMenu : &MainMenu, (REFIT_MENU_ENTRY *)Entry);
      }
      // cleanup custom
      if (FindCustomPath) {
        FreePool(CustomPath);
        FreePool(CustomOptions);
      }
    } while (FindCustomPath && (Custom->KernelScan == KERNEL_SCAN_ALL));
    // Close the kernel boot directory
    if (FindCustomPath) {
      DirIterClose(Iter);
    }

  }
      
}

// Add custom entries
VOID AddCustomEntries(VOID)
{
  CUSTOM_LOADER_ENTRY *Custom;
  UINTN                i = 0;
  
  if (!gSettings.CustomEntries) {
    return;
  }

  //DBG("Custom entries start\n");
  DbgHeader("AddCustomEntries");
  // Traverse the custom entries
  for (Custom = gSettings.CustomEntries; Custom; ++i, Custom = Custom->Next) {
    if ((Custom->Path == NULL) && (Custom->Type != 0)) {
      if (OSTYPE_IS_OSX(Custom->Type)) {
        AddCustomEntry(i, MACOSX_LOADER_PATH, Custom, NULL);
      } else if (OSTYPE_IS_OSX_RECOVERY(Custom->Type)) {
        AddCustomEntry(i, L"\\com.apple.recovery.boot\\boot.efi", Custom, NULL);
      } else if (OSTYPE_IS_OSX_INSTALLER(Custom->Type)) {
        UINTN Index = 0;
        while (Index < OSXInstallerPathsCount) {
          AddCustomEntry(i, OSXInstallerPaths[Index++], Custom, NULL);
        }
      } else if (OSTYPE_IS_WINDOWS(Custom->Type)) {
        AddCustomEntry(i, L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi", Custom, NULL);
      } else if (OSTYPE_IS_LINUX(Custom->Type)) {
        UINTN Index;
#if defined(ANDX86)
        Index = 0;
        while (Index < AndroidEntryDataCount) {
          AddCustomEntry(i, AndroidEntryData[Index++].Path, Custom, NULL);
        }
#endif
        Index = 0;
        while (Index < LinuxEntryDataCount) {
          AddCustomEntry(i, LinuxEntryData[Index++].Path, Custom, NULL);
        }
      } else if (Custom->Type == OSTYPE_LINEFI) {
        AddCustomEntry(i, NULL, Custom, NULL);
      } else {
        AddCustomEntry(i, BOOT_LOADER_PATH, Custom, NULL);
      }
    } else {
      AddCustomEntry(i, Custom->Path, Custom, NULL);
    }
  }
  //DBG("Custom entries finish\n");
}