]> code.delx.au - refind/blobdiff - refind/main.c
Version 0.4.7 release
[refind] / refind / main.c
index c8f011457e6c20fa2617f014303667e60785b855..5e3bdc583993c26ade3d65333a38919504a3e676 100644 (file)
 #include "lib.h"
 #include "icns.h"
 #include "menu.h"
-#include "refit_call_wrapper.h"
+#include "../include/Handle.h"
+#include "../include/refit_call_wrapper.h"
 #include "driver_support.h"
 #include "../include/syslinux_mbr.h"
 
+#ifdef __MAKEWITH_TIANO
+#include "../EfiLib/BdsHelper.h"
+#endif // __MAKEWITH_TIANO
+
 // 
 // variables
 
 #define MACOSX_LOADER_PATH      L"System\\Library\\CoreServices\\boot.efi"
 #if defined (EFIX64)
 #define SHELL_NAMES             L"\\EFI\\tools\\shell.efi,\\shellx64.efi"
+#define DRIVER_DIRS             L"drivers,drivers_x64"
 #elif defined (EFI32)
 #define SHELL_NAMES             L"\\EFI\\tools\\shell.efi,\\shellia32.efi"
+#define DRIVER_DIRS             L"drivers,drivers_ia32"
 #else
 #define SHELL_NAMES             L"\\EFI\\tools\\shell.efi"
+#define DRIVER_DIRS             L"drivers"
 #endif
 
 // Filename patterns that identify EFI boot loaders. Note that a single case (either L"*.efi" or
@@ -85,7 +93,8 @@ static REFIT_MENU_ENTRY MenuEntryExit     = { L"Exit rEFInd", TAG_EXIT, 1, 0, 0,
 static REFIT_MENU_SCREEN MainMenu       = { L"Main Menu", NULL, 0, NULL, 0, NULL, 0, L"Automatic boot" };
 static REFIT_MENU_SCREEN AboutMenu      = { L"About", NULL, 0, NULL, 0, NULL, 0, NULL };
 
-REFIT_CONFIG GlobalConfig = { FALSE, FALSE, 0, 0, 20, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL,
+REFIT_CONFIG GlobalConfig = { FALSE, FALSE, 0, 0, 20, 0, 0, GRAPHICS_FOR_OSX, LEGACY_TYPE_MAC, 0,
+                              NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
                               {TAG_SHELL, TAG_ABOUT, TAG_SHUTDOWN, TAG_REBOOT, 0, 0, 0, 0, 0 }};
 
 // Structure used to hold boot loader filenames and time stamps in
@@ -102,9 +111,11 @@ struct LOADER_LIST {
 
 static VOID AboutrEFInd(VOID)
 {
+    CHAR16 *TempStr; // Note: Don't deallocate; moved to menu structure
+
     if (AboutMenu.EntryCount == 0) {
         AboutMenu.TitleImage = BuiltinIcon(BUILTIN_ICON_FUNC_ABOUT);
-        AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.3.2");
+        AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.4.7");
         AddMenuInfoLine(&AboutMenu, L"");
         AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2006-2010 Christoph Pfisterer");
         AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2012 Roderick W. Smith");
@@ -112,8 +123,9 @@ static VOID AboutrEFInd(VOID)
         AddMenuInfoLine(&AboutMenu, L"Distributed under the terms of the GNU GPLv3 license");
         AddMenuInfoLine(&AboutMenu, L"");
         AddMenuInfoLine(&AboutMenu, L"Running on:");
-        AddMenuInfoLine(&AboutMenu, PoolPrint(L" EFI Revision %d.%02d",
-                        ST->Hdr.Revision >> 16, ST->Hdr.Revision & ((1 << 16) - 1)));
+        TempStr = AllocateZeroPool(256 * sizeof(CHAR16));
+        SPrint(TempStr, 255, L" EFI Revision %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & ((1 << 16) - 1));
+        AddMenuInfoLine(&AboutMenu, TempStr);
 #if defined(EFI32)
         AddMenuInfoLine(&AboutMenu, L" Platform: x86 (32 bit)");
 #elif defined(EFIX64)
@@ -121,9 +133,19 @@ static VOID AboutrEFInd(VOID)
 #else
         AddMenuInfoLine(&AboutMenu, L" Platform: unknown");
 #endif
-        AddMenuInfoLine(&AboutMenu, PoolPrint(L" Firmware: %s %d.%02d",
-            ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & ((1 << 16) - 1)));
-        AddMenuInfoLine(&AboutMenu, PoolPrint(L" Screen Output: %s", egScreenDescription()));
+        TempStr = AllocateZeroPool(256 * sizeof(CHAR16));
+        SPrint(TempStr, 255, L" Firmware: %s %d.%02d",
+               ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & ((1 << 16) - 1));
+        AddMenuInfoLine(&AboutMenu, TempStr);
+        TempStr = AllocateZeroPool(256 * sizeof(CHAR16));
+        SPrint(TempStr, 255, L" Screen Output: %s", egScreenDescription());
+        AddMenuInfoLine(&AboutMenu, TempStr);
+        AddMenuInfoLine(&AboutMenu, L"");
+#if defined(__MAKEWITH_GNUEFI)
+        AddMenuInfoLine(&AboutMenu, L"Built with GNU-EFI");
+#else
+        AddMenuInfoLine(&AboutMenu, L"Built with TianoCore EDK2");
+#endif
         AddMenuInfoLine(&AboutMenu, L"");
         AddMenuInfoLine(&AboutMenu, L"For more information, see the rEFInd Web site:");
         AddMenuInfoLine(&AboutMenu, L"http://www.rodsbooks.com/refind/");
@@ -135,7 +157,7 @@ static VOID AboutrEFInd(VOID)
 
 static EFI_STATUS StartEFIImageList(IN EFI_DEVICE_PATH **DevicePaths,
                                     IN CHAR16 *LoadOptions, IN CHAR16 *LoadOptionsPrefix,
-                                    IN CHAR16 *ImageTitle,
+                                    IN CHAR16 *ImageTitle, IN CHAR8 OSType,
                                     OUT UINTN *ErrorInStep,
                                     IN BOOLEAN Verbose)
 {
@@ -155,8 +177,9 @@ static EFI_STATUS StartEFIImageList(IN EFI_DEVICE_PATH **DevicePaths,
     ReturnStatus = Status = EFI_NOT_FOUND;  // in case the list is empty
     for (DevicePathIndex = 0; DevicePaths[DevicePathIndex] != NULL; DevicePathIndex++) {
         ReturnStatus = Status = refit_call6_wrapper(BS->LoadImage, FALSE, SelfImageHandle, DevicePaths[DevicePathIndex], NULL, 0, &ChildImageHandle);
-        if (ReturnStatus != EFI_NOT_FOUND)
+        if (ReturnStatus != EFI_NOT_FOUND) {
             break;
+        }
     }
     SPrint(ErrorInfo, 255, L"while loading %s", ImageTitle);
     if (CheckError(Status, ErrorInfo)) {
@@ -175,16 +198,21 @@ static EFI_STATUS StartEFIImageList(IN EFI_DEVICE_PATH **DevicePaths,
         }
 
         if (LoadOptionsPrefix != NULL) {
-            FullLoadOptions = PoolPrint(L"%s %s ", LoadOptionsPrefix, LoadOptions);
-            // NOTE: That last space is also added by the EFI shell and seems to be significant
-            //  when passing options to Apple's boot.efi...
-            LoadOptions = FullLoadOptions;
-        }
+            MergeStrings(&FullLoadOptions, LoadOptionsPrefix, 0);
+            MergeStrings(&FullLoadOptions, LoadOptions, L' ');
+            if (OSType == 'M') {
+               MergeStrings(&FullLoadOptions, L" ", 0);
+               // NOTE: That last space is also added by the EFI shell and seems to be significant
+               //  when passing options to Apple's boot.efi...
+            } // if
+        } else {
+            MergeStrings(&FullLoadOptions, LoadOptions, 0);
+        } // if/else
         // NOTE: We also include the terminating null in the length for safety.
-        ChildLoadedImage->LoadOptions = (VOID *)LoadOptions;
-        ChildLoadedImage->LoadOptionsSize = ((UINT32)StrLen(LoadOptions) + 1) * sizeof(CHAR16);
+        ChildLoadedImage->LoadOptions = (VOID *)FullLoadOptions;
+        ChildLoadedImage->LoadOptionsSize = ((UINT32)StrLen(FullLoadOptions) + 1) * sizeof(CHAR16);
         if (Verbose)
-            Print(L"Using load options '%s'\n", LoadOptions);
+            Print(L"Using load options '%s'\n", FullLoadOptions);
     }
 
     // close open file handles
@@ -207,14 +235,13 @@ bailout_unload:
     // unload the image, we don't care if it works or not...
     Status = refit_call1_wrapper(BS->UnloadImage, ChildImageHandle);
 bailout:
-    if (FullLoadOptions != NULL)
-        FreePool(FullLoadOptions);
+    MyFreePool(FullLoadOptions);
     return ReturnStatus;
 } /* static EFI_STATUS StartEFIImageList() */
 
 static EFI_STATUS StartEFIImage(IN EFI_DEVICE_PATH *DevicePath,
                                 IN CHAR16 *LoadOptions, IN CHAR16 *LoadOptionsPrefix,
-                                IN CHAR16 *ImageTitle,
+                                IN CHAR16 *ImageTitle, IN CHAR8 OSType,
                                 OUT UINTN *ErrorInStep,
                                 IN BOOLEAN Verbose)
 {
@@ -222,7 +249,7 @@ static EFI_STATUS StartEFIImage(IN EFI_DEVICE_PATH *DevicePath,
 
     DevicePaths[0] = DevicePath;
     DevicePaths[1] = NULL;
-    return StartEFIImageList(DevicePaths, LoadOptions, LoadOptionsPrefix, ImageTitle, ErrorInStep, Verbose);
+    return StartEFIImageList(DevicePaths, LoadOptions, LoadOptionsPrefix, ImageTitle, OSType, ErrorInStep, Verbose);
 } /* static EFI_STATUS StartEFIImage() */
 
 //
@@ -234,8 +261,8 @@ static VOID StartLoader(IN LOADER_ENTRY *Entry)
     UINTN ErrorInStep = 0;
 
     BeginExternalScreen(Entry->UseGraphicsMode, L"Booting OS");
-    StartEFIImage(Entry->DevicePath, Entry->LoadOptions,
-                  Basename(Entry->LoaderPath), Basename(Entry->LoaderPath), &ErrorInStep, TRUE);
+    StartEFIImage(Entry->DevicePath, Entry->LoadOptions, Basename(Entry->LoaderPath),
+                  Basename(Entry->LoaderPath), Entry->OSType, &ErrorInStep, !Entry->UseGraphicsMode);
     FinishExternalScreen();
 }
 
@@ -273,20 +300,23 @@ static CHAR16 * FindInitrd(IN CHAR16 *LoaderPath, IN REFIT_VOLUME *Volume) {
    while ((DirIterNext(&DirIter, 2, L"init*", &DirEntry)) && (InitrdName == NULL)) {
       InitrdVersion = FindNumbers(DirEntry->FileName);
       if (KernelVersion != NULL) {
-            if (StriCmp(InitrdVersion, KernelVersion) == 0)
-               InitrdName = PoolPrint(L"%s%s", Path, DirEntry->FileName);
+         if (StriCmp(InitrdVersion, KernelVersion) == 0) {
+            MergeStrings(&InitrdName, Path, 0);
+            MergeStrings(&InitrdName, DirEntry->FileName, 0);
+         } // if
       } else {
-         if (InitrdVersion == NULL)
-            InitrdName = PoolPrint(L"%s%s", Path, DirEntry->FileName);
+         if (InitrdVersion == NULL) {
+            MergeStrings(&InitrdName, Path, 0);
+            MergeStrings(&InitrdName, DirEntry->FileName, 0);
+         } // if
       } // if/else
-      if (InitrdVersion != NULL)
-         FreePool(InitrdVersion);
+      MyFreePool(InitrdVersion);
    } // while
    DirIterClose(&DirIter);
 
    // Note: Don't FreePool(FileName), since Basename returns a pointer WITHIN the string it's passed.
-   FreePool(KernelVersion);
-   FreePool(Path);
+   MyFreePool(KernelVersion);
+   MyFreePool(Path);
    return (InitrdName);
 } // static CHAR16 * FindInitrd()
 
@@ -296,6 +326,63 @@ LOADER_ENTRY * AddPreparedLoaderEntry(LOADER_ENTRY *Entry) {
    return(Entry);
 } // LOADER_ENTRY * AddPreparedLoaderEntry()
 
+// Creates a copy of a menu screen.
+// Returns a pointer to the copy of the menu screen.
+static REFIT_MENU_SCREEN* CopyMenuScreen(REFIT_MENU_SCREEN *Entry) {
+   REFIT_MENU_SCREEN *NewEntry;
+   UINTN i;
+
+   NewEntry = AllocateZeroPool(sizeof(REFIT_MENU_SCREEN));
+   if ((Entry != NULL) && (NewEntry != NULL)) {
+      CopyMem(NewEntry, Entry, sizeof(REFIT_MENU_SCREEN));
+      NewEntry->Title = (Entry->Title) ? StrDuplicate(Entry->Title) : NULL;
+      NewEntry->TimeoutText = (Entry->TimeoutText) ? StrDuplicate(Entry->TimeoutText) : NULL;
+      if (Entry->TitleImage != NULL) {
+         NewEntry->TitleImage = AllocatePool(sizeof(EG_IMAGE));
+         if (NewEntry->TitleImage != NULL)
+            CopyMem(NewEntry->TitleImage, Entry->TitleImage, sizeof(EG_IMAGE));
+      } // if
+      NewEntry->InfoLines = (CHAR16**) AllocateZeroPool(Entry->InfoLineCount * (sizeof(CHAR16*)));
+      for (i = 0; i < Entry->InfoLineCount && NewEntry->InfoLines; i++) {
+         NewEntry->InfoLines[i] = (Entry->InfoLines[i]) ? StrDuplicate(Entry->InfoLines[i]) : NULL;
+      } // for
+      NewEntry->Entries = (REFIT_MENU_ENTRY**) AllocateZeroPool(Entry->EntryCount * (sizeof (REFIT_MENU_ENTRY*)));
+      for (i = 0; i < Entry->EntryCount && NewEntry->Entries; i++) {
+         AddMenuEntry(NewEntry, Entry->Entries[i]);
+      } // for
+   } // if
+   return (NewEntry);
+} // static REFIT_MENU_SCREEN* CopyMenuScreen()
+
+// Creates a copy of a menu entry. Intended to enable moving a stack-based
+// menu entry (such as the ones for the "reboot" and "exit" functions) to
+// to the heap. This enables easier deletion of the whole set of menu
+// entries when re-scanning.
+// Returns a pointer to the copy of the menu entry.
+static REFIT_MENU_ENTRY* CopyMenuEntry(REFIT_MENU_ENTRY *Entry) {
+   REFIT_MENU_ENTRY *NewEntry;
+
+   NewEntry = AllocateZeroPool(sizeof(REFIT_MENU_ENTRY));
+   if ((Entry != NULL) && (NewEntry != NULL)) {
+      CopyMem(NewEntry, Entry, sizeof(REFIT_MENU_ENTRY));
+      NewEntry->Title = (Entry->Title) ? StrDuplicate(Entry->Title) : NULL;
+      if (Entry->BadgeImage != NULL) {
+         NewEntry->BadgeImage = AllocatePool(sizeof(EG_IMAGE));
+         if (NewEntry->BadgeImage != NULL)
+            CopyMem(NewEntry->BadgeImage, Entry->BadgeImage, sizeof(EG_IMAGE));
+      }
+      if (Entry->Image != NULL) {
+         NewEntry->Image = AllocatePool(sizeof(EG_IMAGE));
+         if (NewEntry->Image != NULL)
+            CopyMem(NewEntry->Image, Entry->Image, sizeof(EG_IMAGE));
+      }
+      if (Entry->SubScreen != NULL) {
+         NewEntry->SubScreen = CopyMenuScreen(Entry->SubScreen);
+      }
+   } // if
+   return (NewEntry);
+} // REFIT_MENU_ENTRY* CopyMenuEntry()
+
 // Creates a new LOADER_ENTRY data structure and populates it with
 // default values from the specified Entry, or NULL values if Entry
 // is unspecified (NULL).
@@ -312,12 +399,12 @@ LOADER_ENTRY *InitializeLoaderEntry(IN LOADER_ENTRY *Entry) {
       NewEntry->UseGraphicsMode = FALSE;
       NewEntry->OSType          = 0;
       if (Entry != NULL) {
-         NewEntry->LoaderPath      = StrDuplicate(Entry->LoaderPath);
-         NewEntry->VolName         = StrDuplicate(Entry->VolName);
+         NewEntry->LoaderPath      = (Entry->LoaderPath) ? StrDuplicate(Entry->LoaderPath) : NULL;
+         NewEntry->VolName         = (Entry->VolName) ? StrDuplicate(Entry->VolName) : NULL;
          NewEntry->DevicePath      = Entry->DevicePath;
          NewEntry->UseGraphicsMode = Entry->UseGraphicsMode;
-         NewEntry->LoadOptions     = StrDuplicate(Entry->LoadOptions);
-         NewEntry->InitrdPath      = StrDuplicate(Entry->InitrdPath);
+         NewEntry->LoadOptions     = (Entry->LoadOptions) ? StrDuplicate(Entry->LoadOptions) : NULL;
+         NewEntry->InitrdPath      = (Entry->InitrdPath) ? StrDuplicate(Entry->InitrdPath) : NULL;
       }
    } // if
    return (NewEntry);
@@ -331,7 +418,7 @@ LOADER_ENTRY *InitializeLoaderEntry(IN LOADER_ENTRY *Entry) {
 // Returns a pointer to the new subscreen data structure, or NULL if there
 // were problems allocating memory.
 REFIT_MENU_SCREEN *InitializeSubScreen(IN LOADER_ENTRY *Entry) {
-   CHAR16              *FileName, *Temp;
+   CHAR16              *FileName, *Temp = NULL;
    REFIT_MENU_SCREEN   *SubScreen = NULL;
    LOADER_ENTRY        *SubEntry;
 
@@ -339,16 +426,19 @@ REFIT_MENU_SCREEN *InitializeSubScreen(IN LOADER_ENTRY *Entry) {
    if (Entry->me.SubScreen == NULL) { // No subscreen yet; initialize default entry....
       SubScreen = AllocateZeroPool(sizeof(REFIT_MENU_SCREEN));
       if (SubScreen != NULL) {
-         SubScreen->Title = PoolPrint(L"Boot Options for %s on %s", (Entry->Title != NULL) ? Entry->Title : FileName, Entry->VolName);
+         SubScreen->Title = AllocateZeroPool(sizeof(CHAR16) * 256);
+         SPrint(SubScreen->Title, 255, L"Boot Options for %s on %s",
+                (Entry->Title != NULL) ? Entry->Title : FileName, Entry->VolName);
          SubScreen->TitleImage = Entry->me.Image;
          // default entry
          SubEntry = InitializeLoaderEntry(Entry);
          if (SubEntry != NULL) {
             SubEntry->me.Title = L"Boot using default options";
             if ((SubEntry->InitrdPath != NULL) && (StrLen(SubEntry->InitrdPath) > 0) && (!StriSubCmp(L"initrd", SubEntry->LoadOptions))) {
-               Temp = PoolPrint(L"initrd=%s", SubEntry->InitrdPath);
+               MergeStrings(&Temp, L"initrd=", 0);
+               MergeStrings(&Temp, SubEntry->InitrdPath, 0);
                MergeStrings(&SubEntry->LoadOptions, Temp, L' ');
-               FreePool(Temp);
+               MyFreePool(Temp);
             } // if
             AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
          } // if (SubEntry != NULL)
@@ -362,16 +452,15 @@ REFIT_MENU_SCREEN *InitializeSubScreen(IN LOADER_ENTRY *Entry) {
 VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
    REFIT_MENU_SCREEN  *SubScreen;
    LOADER_ENTRY       *SubEntry;
-   CHAR16             *FileName, *InitrdOption = NULL, *Temp;
+   CHAR16             *InitrdOption = NULL, *Temp;
    CHAR16             DiagsFileName[256];
    REFIT_FILE         *File;
    UINTN              TokenCount;
    CHAR16             **TokenList;
 
-   FileName = Basename(Entry->LoaderPath);
    // create the submenu
    if (StrLen(Entry->Title) == 0) {
-      FreePool(Entry->Title);
+      MyFreePool(Entry->Title);
       Entry->Title = NULL;
    }
    SubScreen = InitializeSubScreen(Entry);
@@ -383,6 +472,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
       if (SubEntry != NULL) {
          SubEntry->me.Title        = L"Boot Mac OS X with a 64-bit kernel";
          SubEntry->LoadOptions     = L"arch=x86_64";
+         SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_OSX;
          AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
       } // if
 
@@ -390,6 +480,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
       if (SubEntry != NULL) {
          SubEntry->me.Title        = L"Boot Mac OS X with a 32-bit kernel";
          SubEntry->LoadOptions     = L"arch=i386";
+         SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_OSX;
          AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
       } // if
 #endif
@@ -436,10 +527,10 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
          SubEntry = InitializeLoaderEntry(Entry);
          if (SubEntry != NULL) {
             SubEntry->me.Title        = L"Run Apple Hardware Test";
-            FreePool(SubEntry->LoaderPath);
+            MyFreePool(SubEntry->LoaderPath);
             SubEntry->LoaderPath      = StrDuplicate(DiagsFileName);
             SubEntry->DevicePath      = FileDevicePath(Volume->DeviceHandle, SubEntry->LoaderPath);
-            SubEntry->UseGraphicsMode = TRUE;
+            SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_OSX;
             AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
          } // if
       } // if diagnostics entry found
@@ -447,32 +538,33 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
    } else if (Entry->OSType == 'L') {   // entries for Linux kernels with EFI stub loaders
       File = ReadLinuxOptionsFile(Entry->LoaderPath, Volume);
       if (File != NULL) {
-         if ((Temp = FindInitrd(Entry->LoaderPath, Volume)) != NULL)
-            InitrdOption = PoolPrint(L"initrd=%s", Temp);
+         if ((Temp = FindInitrd(Entry->LoaderPath, Volume)) != NULL) {
+            MergeStrings(&InitrdOption, L"initrd=", 0);
+            MergeStrings(&InitrdOption, Temp, 0);
+         }
          TokenCount = ReadTokenLine(File, &TokenList); // read and discard first entry, since it's
          FreeTokenLine(&TokenList, &TokenCount);       // set up by InitializeSubScreen(), earlier....
          while ((TokenCount = ReadTokenLine(File, &TokenList)) > 1) {
             SubEntry = InitializeLoaderEntry(Entry);
             SubEntry->me.Title = StrDuplicate(TokenList[0]);
-            if (SubEntry->LoadOptions != NULL)
-               FreePool(SubEntry->LoadOptions);
+            MyFreePool(SubEntry->LoadOptions);
             SubEntry->LoadOptions = StrDuplicate(TokenList[1]);
             MergeStrings(&SubEntry->LoadOptions, InitrdOption, L' ');
             FreeTokenLine(&TokenList, &TokenCount);
+            SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_LINUX;
             AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
          } // while
-         if (InitrdOption)
-            FreePool(InitrdOption);
-         if (Temp)
-            FreePool(Temp);
-         FreePool(File);
+         MyFreePool(InitrdOption);
+         MyFreePool(Temp);
+         MyFreePool(File);
       } // if Linux options file exists
 
    } else if (Entry->OSType == 'E') {   // entries for ELILO
       SubEntry = InitializeLoaderEntry(Entry);
       if (SubEntry != NULL) {
-         SubEntry->me.Title        = PoolPrint(L"Run %s in interactive mode", FileName);
+         SubEntry->me.Title        = L"Run ELILO in interactive mode";
          SubEntry->LoadOptions     = L"-p";
+         SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_ELILO;
          AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
       }
 
@@ -481,6 +573,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
          SubEntry->me.Title        = L"Boot Linux for a 17\" iMac or a 15\" MacBook Pro (*)";
          SubEntry->UseGraphicsMode = TRUE;
          SubEntry->LoadOptions     = L"-d 0 i17";
+         SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_ELILO;
          AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
       }
 
@@ -489,6 +582,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
          SubEntry->me.Title        = L"Boot Linux for a 20\" iMac (*)";
          SubEntry->UseGraphicsMode = TRUE;
          SubEntry->LoadOptions     = L"-d 0 i20";
+         SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_ELILO;
          AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
       }
 
@@ -497,6 +591,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
          SubEntry->me.Title        = L"Boot Linux for a Mac Mini (*)";
          SubEntry->UseGraphicsMode = TRUE;
          SubEntry->LoadOptions     = L"-d 0 mini";
+         SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_ELILO;
          AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
       }
 
@@ -511,6 +606,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
         if (SubEntry != NULL) {
            SubEntry->me.Title        = L"Boot Windows from Hard Disk";
            SubEntry->LoadOptions     = L"-s -h";
+           SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_WINDOWS;
            AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
         }
 
@@ -518,14 +614,16 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) {
         if (SubEntry != NULL) {
            SubEntry->me.Title        = L"Boot Windows from CD-ROM";
            SubEntry->LoadOptions     = L"-s -c";
+           SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_WINDOWS;
            AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
         }
 
         SubEntry = InitializeLoaderEntry(Entry);
         if (SubEntry != NULL) {
-           SubEntry->me.Title        = PoolPrint(L"Run %s in text mode", FileName);
+           SubEntry->me.Title        = L"Run XOM in text mode";
            SubEntry->UseGraphicsMode = FALSE;
            SubEntry->LoadOptions     = L"-v";
+           SubEntry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_WINDOWS;
            AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
         }
    } // entries for xom.efi
@@ -541,13 +639,13 @@ static CHAR16 * GetMainLinuxOptions(IN CHAR16 * LoaderPath, IN REFIT_VOLUME *Vol
 
    Options = GetFirstOptionsFromFile(LoaderPath, Volume);
    InitrdName = FindInitrd(LoaderPath, Volume);
-   if (InitrdName != NULL)
-      InitrdOption = PoolPrint(L"initrd=%s", InitrdName);
+   if (InitrdName != NULL) {
+      MergeStrings(&InitrdOption, L"initrd=", 0);
+      MergeStrings(&InitrdOption, InitrdName, 0);
+   } // if
    MergeStrings(&Options, InitrdOption, ' ');
-   if (InitrdOption != NULL)
-      FreePool(InitrdOption);
-   if (InitrdName != NULL)
-      FreePool(InitrdName);
+   MyFreePool(InitrdOption);
+   MyFreePool(InitrdName);
    return (Options);
 } // static CHAR16 * GetMainLinuxOptions()
 
@@ -573,7 +671,7 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, IN REFIT_VOLUME
 
    Temp = FindLastDirName(LoaderPath);
    MergeStrings(&OSIconName, Temp, L',');
-   FreePool(Temp);
+   MyFreePool(Temp);
    if (OSIconName != NULL) {
       ShortcutLetter = OSIconName[0];
    }
@@ -585,6 +683,7 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, IN REFIT_VOLUME
       if (ShortcutLetter == 0)
          ShortcutLetter = 'L';
       Entry->LoadOptions = GetMainLinuxOptions(LoaderPath, Volume);
+      Entry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_LINUX;
    } else if (StriSubCmp(L"refit", LoaderPath)) {
       MergeStrings(&OSIconName, L"refit", L',');
       Entry->OSType = 'R';
@@ -594,9 +693,9 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, IN REFIT_VOLUME
          Entry->me.Image = Volume->VolIconImage;
       }
       MergeStrings(&OSIconName, L"mac", L',');
-      Entry->UseGraphicsMode = TRUE;
       Entry->OSType = 'M';
       ShortcutLetter = 'M';
+      Entry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_OSX;
    } else if (StriCmp(FileName, L"diags.efi") == 0) {
       MergeStrings(&OSIconName, L"hwtest", L',');
    } else if (StriCmp(FileName, L"e.efi") == 0 || StriCmp(FileName, L"elilo.efi") == 0) {
@@ -604,17 +703,24 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, IN REFIT_VOLUME
       Entry->OSType = 'E';
       if (ShortcutLetter == 0)
          ShortcutLetter = 'L';
+      Entry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_ELILO;
+   } else if (StriSubCmp(L"grub", FileName)) {
+      Entry->OSType = 'G';
+      ShortcutLetter = 'G';
+      Entry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_GRUB;
    } else if (StriCmp(FileName, L"cdboot.efi") == 0 ||
               StriCmp(FileName, L"bootmgr.efi") == 0 ||
               StriCmp(FileName, L"Bootmgfw.efi") == 0) {
       MergeStrings(&OSIconName, L"win", L',');
       Entry->OSType = 'W';
       ShortcutLetter = 'W';
+      Entry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_WINDOWS;
    } else if (StriCmp(FileName, L"xom.efi") == 0) {
       MergeStrings(&OSIconName, L"xom,win", L',');
       Entry->UseGraphicsMode = TRUE;
       Entry->OSType = 'X';
       ShortcutLetter = 'W';
+      Entry->UseGraphicsMode = GlobalConfig.GraphicsFor & GRAPHICS_FOR_WINDOWS;
    }
 
    if ((ShortcutLetter >= 'a') && (ShortcutLetter <= 'z'))
@@ -622,8 +728,7 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, IN REFIT_VOLUME
    Entry->me.ShortcutLetter = ShortcutLetter;
    if (Entry->me.Image == NULL)
       Entry->me.Image = LoadOSIcon(OSIconName, L"unknown", FALSE);
-   if (PathOnly != NULL)
-      FreePool(PathOnly);
+   MyFreePool(PathOnly);
 } // VOID SetLoaderDefaults()
 
 // Add a specified EFI boot loader to the list, using automatic settings
@@ -635,11 +740,16 @@ LOADER_ENTRY * AddLoaderEntry(IN CHAR16 *LoaderPath, IN CHAR16 *LoaderTitle, IN
    Entry = InitializeLoaderEntry(NULL);
    if (Entry != NULL) {
       Entry->Title = StrDuplicate((LoaderTitle != NULL) ? LoaderTitle : LoaderPath);
-//      Entry->Title = StrDuplicate(LoaderTitle);
-      Entry->me.Title = PoolPrint(L"Boot %s from %s", (LoaderTitle != NULL) ? LoaderTitle : LoaderPath, Volume->VolName);
+      Entry->me.Title = AllocateZeroPool(sizeof(CHAR16) * 256);
+      SPrint(Entry->me.Title, 255, L"Boot %s from %s", (LoaderTitle != NULL) ? LoaderTitle : LoaderPath, Volume->VolName);
       Entry->me.Row = 0;
       Entry->me.BadgeImage = Volume->VolBadgeImage;
-      Entry->LoaderPath = StrDuplicate(LoaderPath);
+      if ((LoaderPath != NULL) && (LoaderPath[0] != L'\\')) {
+         Entry->LoaderPath = StrDuplicate(L"\\");
+      } else {
+         Entry->LoaderPath = NULL;
+      }
+      MergeStrings(&(Entry->LoaderPath), LoaderPath, 0);
       Entry->VolName = Volume->VolName;
       Entry->DevicePath = FileDevicePath(Volume->DeviceHandle, Entry->LoaderPath);
       SetLoaderDefaults(Entry, LoaderPath, Volume);
@@ -702,8 +812,8 @@ static VOID CleanUpLoaderList(struct LOADER_LIST *LoaderList) {
    while (LoaderList != NULL) {
       Temp = LoaderList;
       LoaderList = LoaderList->NextEntry;
-      FreePool(Temp->FileName);
-      FreePool(Temp);
+      MyFreePool(Temp->FileName);
+      MyFreePool(Temp);
    } // while
 } // static VOID CleanUpLoaderList()
 
@@ -718,8 +828,8 @@ static VOID ScanLoaderDir(IN REFIT_VOLUME *Volume, IN CHAR16 *Path, IN CHAR16 *P
     CHAR16                  FileName[256], *Extension;
     struct LOADER_LIST      *LoaderList = NULL, *NewLoader;
 
-    if (!SelfDirPath || !Path || ((StriCmp(Path, SelfDirPath) == 0) && Volume != SelfVolume) ||
-        (StriCmp(Path, SelfDirPath) != 0)) {
+    if ((!SelfDirPath || !Path || ((StriCmp(Path, SelfDirPath) == 0) && Volume->DeviceHandle != SelfVolume->DeviceHandle) ||
+        (StriCmp(Path, SelfDirPath) != 0)) && (!IsIn(Path, GlobalConfig.DontScan))) {
        // look through contents of the directory
        DirIterOpen(Volume->RootDir, Path, &DirIter);
        while (DirIterNext(&DirIter, 2, Pattern, &DirEntry)) {
@@ -743,7 +853,7 @@ static VOID ScanLoaderDir(IN REFIT_VOLUME *Volume, IN CHAR16 *Path, IN CHAR16 *P
              NewLoader->TimeStamp = DirEntry->ModificationTime;
              LoaderList = AddLoaderListEntry(LoaderList, NewLoader);
           } // if
-          FreePool(Extension);
+          MyFreePool(Extension);
        } // while
        NewLoader = LoaderList;
        while (NewLoader != NULL) {
@@ -754,9 +864,9 @@ static VOID ScanLoaderDir(IN REFIT_VOLUME *Volume, IN CHAR16 *Path, IN CHAR16 *P
        Status = DirIterClose(&DirIter);
        if (Status != EFI_NOT_FOUND) {
           if (Path)
-                SPrint(FileName, 255, L"while scanning the %s directory", Path);
+             SPrint(FileName, 255, L"while scanning the %s directory", Path);
           else
-                StrCpy(FileName, L"while scanning the root directory");
+             StrCpy(FileName, L"while scanning the root directory");
           CheckError(Status, FileName);
        } // if (Status != EFI_NOT_FOUND)
     } // if not scanning our own directory
@@ -769,26 +879,28 @@ static VOID ScanEfiFiles(REFIT_VOLUME *Volume) {
    CHAR16                  FileName[256], *Directory, *MatchPatterns;
    UINTN                   i, Length;
 
-    MatchPatterns = StrDuplicate(LOADER_MATCH_PATTERNS);
-    if (GlobalConfig.ScanAllLinux)
-       MergeStrings(&MatchPatterns, LINUX_MATCH_PATTERNS, L',');
+   MatchPatterns = StrDuplicate(LOADER_MATCH_PATTERNS);
+   if (GlobalConfig.ScanAllLinux)
+      MergeStrings(&MatchPatterns, LINUX_MATCH_PATTERNS, L',');
 
    if ((Volume->RootDir != NULL) && (Volume->VolName != NULL)) {
       // check for Mac OS X boot loader
-      StrCpy(FileName, MACOSX_LOADER_PATH);
-      if (FileExists(Volume->RootDir, FileName)) {
-         AddLoaderEntry(FileName, L"Mac OS X", Volume);
-      }
+      if (!IsIn(L"System\\Library\\CoreServices", GlobalConfig.DontScan)) {
+         StrCpy(FileName, MACOSX_LOADER_PATH);
+         if (FileExists(Volume->RootDir, FileName)) {
+            AddLoaderEntry(FileName, L"Mac OS X", Volume);
+         }
 
-      // check for XOM
-      StrCpy(FileName, L"System\\Library\\CoreServices\\xom.efi");
-      if (FileExists(Volume->RootDir, FileName)) {
-         AddLoaderEntry(FileName, L"Windows XP (XoM)", Volume);
-      }
+         // check for XOM
+         StrCpy(FileName, L"System\\Library\\CoreServices\\xom.efi");
+         if (FileExists(Volume->RootDir, FileName)) {
+            AddLoaderEntry(FileName, L"Windows XP (XoM)", Volume);
+         }
+      } // if Mac directory not in GlobalConfig.DontScan list
 
       // check for Microsoft boot loader/menu
       StrCpy(FileName, L"EFI\\Microsoft\\Boot\\Bootmgfw.efi");
-      if (FileExists(Volume->RootDir, FileName)) {
+      if (FileExists(Volume->RootDir, FileName) && !IsIn(L"EFI\\Microsoft\\Boot", GlobalConfig.DontScan)) {
          AddLoaderEntry(FileName, L"Microsoft EFI boot", Volume);
       }
 
@@ -814,7 +926,7 @@ static VOID ScanEfiFiles(REFIT_VOLUME *Volume) {
          Length = StrLen(Directory);
          if (Length > 0)
             ScanLoaderDir(Volume, Directory, MatchPatterns);
-         FreePool(Directory);
+         MyFreePool(Directory);
       } // while
    } // if
 } // static VOID ScanEfiFiles()
@@ -1017,7 +1129,7 @@ static VOID StartLegacy(IN LEGACY_ENTRY *Entry)
     UINTN               ErrorInStep = 0;
     EFI_DEVICE_PATH     *DiscoveredPathList[MAX_DISCOVERED_PATHS];
 
-    BeginExternalScreen(TRUE, L"Booting Legacy OS");
+    BeginExternalScreen(TRUE, L"Booting Legacy OS (Mac mode)");
 
     BootLogoImage = LoadOSIcon(Entry->Volume->OSIconName, L"legacy", TRUE);
     if (BootLogoImage != NULL)
@@ -1026,12 +1138,13 @@ static VOID StartLegacy(IN LEGACY_ENTRY *Entry)
                       (UGAHeight - BootLogoImage->Height) >> 1,
                       &StdBackgroundPixel);
 
-    if (Entry->Volume->IsMbrPartition)
+    if (Entry->Volume->IsMbrPartition) {
         ActivateMbrPartition(Entry->Volume->WholeDiskBlockIO, Entry->Volume->MbrPartitionIndex);
+    }
 
     ExtractLegacyLoaderPaths(DiscoveredPathList, MAX_DISCOVERED_PATHS, LegacyLoaderList);
 
-    Status = StartEFIImageList(DiscoveredPathList, Entry->LoadOptions, NULL, L"legacy loader", &ErrorInStep, TRUE);
+    Status = StartEFIImageList(DiscoveredPathList, Entry->LoadOptions, NULL, L"legacy loader", 0, &ErrorInStep, TRUE);
     if (Status == EFI_NOT_FOUND) {
         if (ErrorInStep == 1) {
             Print(L"\nPlease make sure that you have the latest firmware update installed.\n");
@@ -1043,6 +1156,22 @@ static VOID StartLegacy(IN LEGACY_ENTRY *Entry)
     FinishExternalScreen();
 } /* static VOID StartLegacy() */
 
+// Start a device on a non-Mac using the EFI_LEGACY_BIOS_PROTOCOL
+#ifdef __MAKEWITH_TIANO
+static VOID StartLegacyUEFI(IN LEGACY_ENTRY *Entry)
+{
+    BeginExternalScreen(TRUE, L"Booting Legacy OS (UEFI mode)");
+
+    BdsLibConnectDevicePath (Entry->BdsOption->DevicePath);
+    BdsLibDoLegacyBoot(Entry->BdsOption);
+
+    // If we get here, it means that there was a failure....
+    Print(L"Failure booting legacy (BIOS) OS.");
+    PauseForKey();
+    FinishExternalScreen();
+} // static VOID StartLegacyUEFI()
+#endif // __MAKEWITH_TIANO
+
 static LEGACY_ENTRY * AddLegacyEntry(IN CHAR16 *LoaderTitle, IN REFIT_VOLUME *Volume)
 {
     LEGACY_ENTRY            *Entry, *SubEntry;
@@ -1065,7 +1194,8 @@ static LEGACY_ENTRY * AddLegacyEntry(IN CHAR16 *LoaderTitle, IN REFIT_VOLUME *Vo
 
     // prepare the menu entry
     Entry = AllocateZeroPool(sizeof(LEGACY_ENTRY));
-    Entry->me.Title        = PoolPrint(L"Boot %s from %s", LoaderTitle, VolDesc);
+    Entry->me.Title = AllocateZeroPool(256 * sizeof(CHAR16));
+    SPrint(Entry->me.Title, 255, L"Boot %s from %s", LoaderTitle, VolDesc);
     Entry->me.Tag          = TAG_LEGACY;
     Entry->me.Row          = 0;
     Entry->me.ShortcutLetter = ShortcutLetter;
@@ -1078,12 +1208,14 @@ static LEGACY_ENTRY * AddLegacyEntry(IN CHAR16 *LoaderTitle, IN REFIT_VOLUME *Vo
 
     // create the submenu
     SubScreen = AllocateZeroPool(sizeof(REFIT_MENU_SCREEN));
-    SubScreen->Title = PoolPrint(L"Boot Options for %s on %s", LoaderTitle, VolDesc);
+    SubScreen->Title = AllocateZeroPool(256 * sizeof(CHAR16));
+    SPrint(SubScreen->Title, 255, L"Boot Options for %s on %s", LoaderTitle, VolDesc);
     SubScreen->TitleImage = Entry->me.Image;
 
     // default entry
     SubEntry = AllocateZeroPool(sizeof(LEGACY_ENTRY));
-    SubEntry->me.Title        = PoolPrint(L"Boot %s", LoaderTitle);
+    SubEntry->me.Title = AllocateZeroPool(256 * sizeof(CHAR16));
+    SPrint(SubEntry->me.Title, 255, L"Boot %s", LoaderTitle);
     SubEntry->me.Tag          = TAG_LEGACY;
     SubEntry->Volume          = Entry->Volume;
     SubEntry->LoadOptions     = Entry->LoadOptions;
@@ -1095,6 +1227,135 @@ static LEGACY_ENTRY * AddLegacyEntry(IN CHAR16 *LoaderTitle, IN REFIT_VOLUME *Vo
     return Entry;
 } /* static LEGACY_ENTRY * AddLegacyEntry() */
 
+
+#ifdef __MAKEWITH_TIANO
+// default volume badge icon based on disk kind
+static EG_IMAGE * GetDiskBadge(IN UINTN DiskType) {
+   EG_IMAGE * Badge = NULL;
+
+   switch (DiskType) {
+      case BBS_HARDDISK:
+         Badge = BuiltinIcon(BUILTIN_ICON_VOL_INTERNAL);
+         break;
+      case BBS_USB:
+         Badge = BuiltinIcon(BUILTIN_ICON_VOL_EXTERNAL);
+         break;
+      case BBS_CDROM:
+         Badge = BuiltinIcon(BUILTIN_ICON_VOL_OPTICAL);
+         break;
+   } // switch()
+   return Badge;
+} // static EG_IMAGE * GetDiskBadge()
+
+/**
+    Create a rEFInd boot option from a Legacy BIOS protocol option.
+*/
+static LEGACY_ENTRY * AddLegacyEntryUEFI(BDS_COMMON_OPTION *BdsOption, IN UINT16 DiskType)
+{
+    LEGACY_ENTRY            *Entry, *SubEntry;
+    REFIT_MENU_SCREEN       *SubScreen;
+    CHAR16                  ShortcutLetter = 0;
+    CHAR16 *LegacyDescription = BdsOption->Description;
+
+//    ScanVolume(Volume);
+
+    // prepare the menu entry
+    Entry = AllocateZeroPool(sizeof(LEGACY_ENTRY));
+    Entry->me.Title = AllocateZeroPool(256 * sizeof(CHAR16));
+    SPrint(Entry->me.Title, 255, L"Boot legacy target %s", LegacyDescription);
+    Entry->me.Tag          = TAG_LEGACY_UEFI;
+    Entry->me.Row          = 0;
+    Entry->me.ShortcutLetter = ShortcutLetter;
+    Entry->me.Image        = LoadOSIcon(L"legacy", L"legacy", TRUE);
+    Entry->LoadOptions     = (DiskType == BBS_CDROM) ? L"CD" :
+                             ((DiskType == BBS_USB) ? L"USB" : L"HD");
+    Entry->me.BadgeImage   = GetDiskBadge(DiskType);
+//    Entry->me.BadgeImage   = Volume->VolBadgeImage;
+    Entry->BdsOption       = BdsOption;
+    Entry->Enabled         = TRUE;
+
+    // create the submenu
+    SubScreen = AllocateZeroPool(sizeof(REFIT_MENU_SCREEN));
+    SubScreen->Title = AllocateZeroPool(256 * sizeof(CHAR16));
+    SPrint(SubScreen->Title, 255, L"No boot options for legacy target");
+    SubScreen->TitleImage = Entry->me.Image;
+
+    // default entry
+    SubEntry = AllocateZeroPool(sizeof(LEGACY_ENTRY));
+    SubEntry->me.Title = AllocateZeroPool(256 * sizeof(CHAR16));
+    SPrint(SubEntry->me.Title, 255, L"Boot %s", LegacyDescription);
+    SubEntry->me.Tag          = TAG_LEGACY_UEFI;
+    Entry->BdsOption          = BdsOption; 
+    AddMenuEntry(SubScreen, (REFIT_MENU_ENTRY *)SubEntry);
+
+    AddMenuEntry(SubScreen, &MenuEntryReturn);
+    Entry->me.SubScreen = SubScreen;
+    AddMenuEntry(&MainMenu, (REFIT_MENU_ENTRY *)Entry);
+    return Entry;
+} /* static LEGACY_ENTRY * AddLegacyEntryUEFI() */
+
+/**
+    Scan for legacy BIOS targets on machines that implement EFI_LEGACY_BIOS_PROTOCOL.
+    In testing, protocol has not been implemented on Macs but has been
+    implemented on several Dell PCs and an ASUS motherboard.
+    Restricts output to disks of the specified DiskType.
+*/
+static VOID ScanLegacyUEFI(IN UINTN DiskType)
+{
+    EFI_STATUS                Status;
+    EFI_LEGACY_BIOS_PROTOCOL  *LegacyBios;
+    UINT16                    *BootOrder = NULL;
+    UINTN                     Index = 0;
+    CHAR16                    BootOption[10];
+    UINTN                     BootOrderSize = 0;
+    CHAR16            Buffer[20];
+    BDS_COMMON_OPTION *BdsOption;
+    LIST_ENTRY        TempList;
+    BBS_BBS_DEVICE_PATH * BbsDevicePath = NULL;
+//    REFIT_VOLUME          Volume;
+
+    InitializeListHead (&TempList);
+    ZeroMem (Buffer, sizeof (Buffer));
+
+    // If LegacyBios protocol is not implemented on this platform, then
+    //we do not support this type of legacy boot on this machine.
+    Status = gBS->LocateProtocol(&gEfiLegacyBootProtocolGuid, NULL, (VOID **) &LegacyBios);
+    if (EFI_ERROR (Status))
+        return;
+
+    // Grab the boot order
+    BootOrder = BdsLibGetVariableAndSize(L"BootOrder", &gEfiGlobalVariableGuid, &BootOrderSize);
+    if (BootOrder == NULL) {
+        BootOrderSize = 0;
+    }
+
+    Index = 0;
+    while (Index < BootOrderSize / sizeof (UINT16))
+    {
+        // Grab each boot option variable from the boot order, and convert
+        // the variable into a BDS boot option
+        UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);
+        BdsOption = BdsLibVariableToOption (&TempList, BootOption);
+
+        if (BdsOption != NULL) {
+           BbsDevicePath = (BBS_BBS_DEVICE_PATH *)BdsOption->DevicePath;
+
+           // Only add the entry if it is of a requested type (e.g. USB, HD)
+
+           // Two checks necessary because some systems return EFI boot loaders
+           // with a DeviceType value that would inappropriately include them
+           // as legacy loaders....
+           if ((BbsDevicePath->DeviceType == DiskType) && (BdsOption->DevicePath->Type == DEVICE_TYPE_BIOS)) {
+              AddLegacyEntryUEFI(BdsOption, BbsDevicePath->DeviceType);
+           }
+        }
+        Index++;
+    }
+} /* static VOID ScanLegacyUEFI() */
+#else
+static VOID ScanLegacyUEFI(IN UINTN DiskType){}
+#endif // __MAKEWITH_TIANO
+
 static VOID ScanLegacyVolume(REFIT_VOLUME *Volume, UINTN VolumeIndex) {
    UINTN VolumeIndex2;
    BOOLEAN ShowVolume, HideIfOthersFound;
@@ -1132,11 +1393,15 @@ static VOID ScanLegacyDisc(VOID)
    UINTN                   VolumeIndex;
    REFIT_VOLUME            *Volume;
 
-   for (VolumeIndex = 0; VolumeIndex < VolumesCount; VolumeIndex++) {
-      Volume = Volumes[VolumeIndex];
-      if (Volume->DiskKind == DISK_KIND_OPTICAL)
-         ScanLegacyVolume(Volume, VolumeIndex);
-   } // for
+   if (GlobalConfig.LegacyType == LEGACY_TYPE_MAC) {
+      for (VolumeIndex = 0; VolumeIndex < VolumesCount; VolumeIndex++) {
+         Volume = Volumes[VolumeIndex];
+         if (Volume->DiskKind == DISK_KIND_OPTICAL)
+            ScanLegacyVolume(Volume, VolumeIndex);
+      } // for
+   } else if (GlobalConfig.LegacyType == LEGACY_TYPE_UEFI) {
+      ScanLegacyUEFI(BBS_CDROM);
+   }
 } /* static VOID ScanLegacyDisc() */
 
 // Scan internal hard disks for legacy (BIOS) boot code
@@ -1146,11 +1411,15 @@ static VOID ScanLegacyInternal(VOID)
     UINTN                   VolumeIndex;
     REFIT_VOLUME            *Volume;
 
-    for (VolumeIndex = 0; VolumeIndex < VolumesCount; VolumeIndex++) {
-        Volume = Volumes[VolumeIndex];
-        if (Volume->DiskKind == DISK_KIND_INTERNAL)
-            ScanLegacyVolume(Volume, VolumeIndex);
-    } // for
+    if (GlobalConfig.LegacyType == LEGACY_TYPE_MAC) {
+       for (VolumeIndex = 0; VolumeIndex < VolumesCount; VolumeIndex++) {
+           Volume = Volumes[VolumeIndex];
+           if (Volume->DiskKind == DISK_KIND_INTERNAL)
+               ScanLegacyVolume(Volume, VolumeIndex);
+       } // for
+    } else if (GlobalConfig.LegacyType == LEGACY_TYPE_UEFI) {
+       ScanLegacyUEFI(BBS_HARDDISK);
+    }
 } /* static VOID ScanLegacyInternal() */
 
 // Scan external disks for legacy (BIOS) boot code
@@ -1160,11 +1429,15 @@ static VOID ScanLegacyExternal(VOID)
    UINTN                   VolumeIndex;
    REFIT_VOLUME            *Volume;
 
-   for (VolumeIndex = 0; VolumeIndex < VolumesCount; VolumeIndex++) {
-      Volume = Volumes[VolumeIndex];
-      if (Volume->DiskKind == DISK_KIND_EXTERNAL)
-         ScanLegacyVolume(Volume, VolumeIndex);
-   } // for
+   if (GlobalConfig.LegacyType == LEGACY_TYPE_MAC) {
+      for (VolumeIndex = 0; VolumeIndex < VolumesCount; VolumeIndex++) {
+         Volume = Volumes[VolumeIndex];
+         if (Volume->DiskKind == DISK_KIND_EXTERNAL)
+            ScanLegacyVolume(Volume, VolumeIndex);
+      } // for
+   } else if (GlobalConfig.LegacyType == LEGACY_TYPE_UEFI) {
+      ScanLegacyUEFI(BBS_USB);
+   }
 } /* static VOID ScanLegacyExternal() */
 
 //
@@ -1175,7 +1448,7 @@ static VOID StartTool(IN LOADER_ENTRY *Entry)
 {
    BeginExternalScreen(Entry->UseGraphicsMode, Entry->me.Title + 6);  // assumes "Start <title>" as assigned below
    StartEFIImage(Entry->DevicePath, Entry->LoadOptions, Basename(Entry->LoaderPath),
-                 Basename(Entry->LoaderPath), NULL, TRUE);
+                 Basename(Entry->LoaderPath), Entry->OSType, NULL, TRUE);
    FinishExternalScreen();
 } /* static VOID StartTool() */
 
@@ -1183,15 +1456,18 @@ static LOADER_ENTRY * AddToolEntry(IN CHAR16 *LoaderPath, IN CHAR16 *LoaderTitle
                                    IN CHAR16 ShortcutLetter, IN BOOLEAN UseGraphicsMode)
 {
     LOADER_ENTRY *Entry;
+    CHAR16       *TitleStr = NULL;
 
     Entry = AllocateZeroPool(sizeof(LOADER_ENTRY));
 
-    Entry->me.Title = PoolPrint(L"Start %s", LoaderTitle);
+    MergeStrings(&TitleStr, L"Start ", 0);
+    MergeStrings(&TitleStr, LoaderTitle, 0);
+    Entry->me.Title = TitleStr;
     Entry->me.Tag = TAG_TOOL;
     Entry->me.Row = 1;
     Entry->me.ShortcutLetter = ShortcutLetter;
     Entry->me.Image = Image;
-    Entry->LoaderPath = StrDuplicate(LoaderPath);
+    Entry->LoaderPath = (LoaderPath) ? StrDuplicate(LoaderPath) : NULL;
     Entry->DevicePath = FileDevicePath(SelfLoadedImage->DeviceHandle, Entry->LoaderPath);
     Entry->UseGraphicsMode = UseGraphicsMode;
 
@@ -1221,7 +1497,7 @@ static UINTN ScanDriverDir(IN CHAR16 *Path)
         SPrint(FileName, 255, L"%s\\%s", Path, DirEntry->FileName);
         NumFound++;
         Status = StartEFIImage(FileDevicePath(SelfLoadedImage->DeviceHandle, FileName),
-                               L"", DirEntry->FileName, DirEntry->FileName, NULL, FALSE);
+                               L"", DirEntry->FileName, DirEntry->FileName, 0, NULL, FALSE);
     }
     Status = DirIterClose(&DirIter);
     if (Status != EFI_NOT_FOUND) {
@@ -1231,6 +1507,7 @@ static UINTN ScanDriverDir(IN CHAR16 *Path)
     return (NumFound);
 }
 
+#ifdef __MAKEWITH_GNUEFI
 static EFI_STATUS ConnectAllDriversToAllControllers(VOID)
 {
     EFI_STATUS           Status;
@@ -1290,36 +1567,48 @@ static EFI_STATUS ConnectAllDriversToAllControllers(VOID)
             }
         }
 
-        FreePool (HandleBuffer);
-        FreePool (HandleType);
+        MyFreePool (HandleBuffer);
+        MyFreePool (HandleType);
     }
 
 Done:
-    FreePool (AllHandleBuffer);
+    MyFreePool (AllHandleBuffer);
     return Status;
 } /* EFI_STATUS ConnectAllDriversToAllControllers() */
+#else
+static EFI_STATUS ConnectAllDriversToAllControllers(VOID) {
+   BdsLibConnectAllDriversToAllControllers();
+   return 0;
+}
+#endif
 
 // Load all EFI drivers from rEFInd's "drivers" subdirectory and from the
 // directories specified by the user in the "scan_driver_dirs" configuration
 // file line.
 static VOID LoadDrivers(VOID)
 {
-    CHAR16        *Directory;
+    CHAR16        *Directory, *SelfDirectory;
     UINTN         i = 0, Length, NumFound = 0;
 
-    // load drivers from the "drivers" subdirectory of rEFInd's home directory
-    Directory = StrDuplicate(SelfDirPath);
-    CleanUpPathNameSlashes(Directory);
-    MergeStrings(&Directory, L"drivers", L'\\');
-    NumFound += ScanDriverDir(Directory);
+    // load drivers from the subdirectories of rEFInd's home directory specified
+    // in the DRIVER_DIRS constant.
+    while ((Directory = FindCommaDelimited(DRIVER_DIRS, i++)) != NULL) {
+       SelfDirectory = SelfDirPath ? StrDuplicate(SelfDirPath) : NULL;
+       CleanUpPathNameSlashes(SelfDirectory);
+       MergeStrings(&SelfDirectory, Directory, L'\\');
+       NumFound += ScanDriverDir(SelfDirectory);
+       MyFreePool(Directory);
+       MyFreePool(SelfDirectory);
+    }
 
     // Scan additional user-specified driver directories....
+    i = 0;
     while ((Directory = FindCommaDelimited(GlobalConfig.DriverDirs, i++)) != NULL) {
        CleanUpPathNameSlashes(Directory);
        Length = StrLen(Directory);
        if (Length > 0)
           NumFound += ScanDriverDir(Directory);
-       FreePool(Directory);
+       MyFreePool(Directory);
     } // while
 
     // connect all devices
@@ -1327,22 +1616,66 @@ static VOID LoadDrivers(VOID)
        ConnectAllDriversToAllControllers();
 } /* static VOID LoadDrivers() */
 
+// Determine what (if any) type of legacy (BIOS) boot support is available
+static VOID FindLegacyBootType(VOID) {
+#ifdef __MAKEWITH_TIANO
+   EFI_STATUS                Status;
+   EFI_LEGACY_BIOS_PROTOCOL  *LegacyBios;
+#endif
+
+   GlobalConfig.LegacyType = LEGACY_TYPE_NONE;
+
+   // UEFI-style legacy BIOS support is available only with the TianoCore EDK2
+   // build environment, and then only with some implementations....
+#ifdef __MAKEWITH_TIANO
+   Status = gBS->LocateProtocol (&gEfiLegacyBootProtocolGuid, NULL, (VOID **) &LegacyBios);
+   if (!EFI_ERROR (Status))
+      GlobalConfig.LegacyType = LEGACY_TYPE_UEFI;
+#endif
+
+   // Macs have their own system. If the firmware vendor code contains the
+   // string "Apple", assume it's available. Note that this overrides the
+   // UEFI type, and might yield false positives if the vendor string
+   // contains "Apple" as part of something bigger, so this isn't 100%
+   // perfect.
+   if (StriSubCmp(L"Apple", ST->FirmwareVendor))
+      GlobalConfig.LegacyType = LEGACY_TYPE_MAC;
+} // static VOID FindLegacyBootType
+
+// Warn the user if legacy OS scans are enabled but the firmware or this
+// application can't support them....
+static VOID WarnIfLegacyProblems() {
+   BOOLEAN  found = FALSE;
+   UINTN    i = 0;
+
+   if (GlobalConfig.LegacyType == LEGACY_TYPE_NONE) {
+      do {
+         if (GlobalConfig.ScanFor[i] == 'h' || GlobalConfig.ScanFor[i] == 'b' || GlobalConfig.ScanFor[i] == 'c')
+            found = TRUE;
+         i++;
+      } while ((i < NUM_SCAN_OPTIONS) && (!found));
+      if (found) {
+         Print(L"NOTE: refind.conf's 'scanfor' line specifies scanning for one or more legacy\n");
+         Print(L"(BIOS) boot options; however, this is not possible because ");
+#ifdef __MAKEWITH_TIANO
+         Print(L"your computer lacks\n");
+         Print(L"the necessary Compatibility Support Module (CSM) support.\n");
+#else
+         Print(L"this program was\n");
+         Print(L"compiled without the necessary support. Please visit\n");
+         Print(L"http://www.rodsbooks.com/refind/getting.html and download and install a rEFInd\n");
+         Print(L"binary built with the TianoCore EDK2 to enable legacy boot support.\n");
+#endif
+         PauseForKey();
+      } // if (found)
+   } // if no legacy support
+} // static VOID WarnIfLegacyProblems()
+
+// Locates boot loaders. NOTE: This assumes that GlobalConfig.LegacyType is set correctly.
 static VOID ScanForBootloaders(VOID) {
-   UINTN i;
+   UINTN                     i;
 
    ScanVolumes();
-   // Commented-out below: Was part of an attempt to get rEFInd to
-   // re-scan disk devices on pressing Esc; but doesn't work (yet), so
-   // removed....
-//     MainMenu.Title = StrDuplicate(L"Main Menu 2");
-//     MainMenu.TitleImage = NULL;
-//     MainMenu.InfoLineCount = 0;
-//     MainMenu.InfoLines = NULL;
-//     MainMenu.EntryCount = 0;
-//     MainMenu.Entries = NULL;
-//     MainMenu.TimeoutSeconds = 20;
-//     MainMenu.TimeoutText = StrDuplicate(L"Automatic boot");
-   //    DebugPause();
 
    // scan for loaders and tools, add them to the menu
    for (i = 0; i < NUM_SCAN_OPTIONS; i++) {
@@ -1383,31 +1716,36 @@ static VOID ScanForBootloaders(VOID) {
 // reboot, etc.)
 static VOID ScanForTools(VOID) {
    CHAR16 *FileName = NULL;
+   REFIT_MENU_ENTRY *TempMenuEntry;
    UINTN i, j;
 
    for (i = 0; i < NUM_TOOLS; i++) {
       switch(GlobalConfig.ShowTools[i]) {
          case TAG_SHUTDOWN:
-            MenuEntryShutdown.Image = BuiltinIcon(BUILTIN_ICON_FUNC_SHUTDOWN);
-            AddMenuEntry(&MainMenu, &MenuEntryShutdown);
+            TempMenuEntry = CopyMenuEntry(&MenuEntryShutdown);
+            TempMenuEntry->Image = BuiltinIcon(BUILTIN_ICON_FUNC_SHUTDOWN);
+            AddMenuEntry(&MainMenu, TempMenuEntry);
             break;
          case TAG_REBOOT:
-            MenuEntryReset.Image = BuiltinIcon(BUILTIN_ICON_FUNC_RESET);
-            AddMenuEntry(&MainMenu, &MenuEntryReset);
+            TempMenuEntry = CopyMenuEntry(&MenuEntryReset);
+            TempMenuEntry->Image = BuiltinIcon(BUILTIN_ICON_FUNC_RESET);
+            AddMenuEntry(&MainMenu, TempMenuEntry);
             break;
          case TAG_ABOUT:
-            MenuEntryAbout.Image = BuiltinIcon(BUILTIN_ICON_FUNC_ABOUT);
-            AddMenuEntry(&MainMenu, &MenuEntryAbout);
+            TempMenuEntry = CopyMenuEntry(&MenuEntryAbout);
+            TempMenuEntry->Image = BuiltinIcon(BUILTIN_ICON_FUNC_ABOUT);
+            AddMenuEntry(&MainMenu, TempMenuEntry);
             break;
          case TAG_EXIT:
-            MenuEntryExit.Image = BuiltinIcon(BUILTIN_ICON_FUNC_EXIT);
-            AddMenuEntry(&MainMenu, &MenuEntryExit);
+            TempMenuEntry = CopyMenuEntry(&MenuEntryExit);
+            TempMenuEntry->Image = BuiltinIcon(BUILTIN_ICON_FUNC_EXIT);
+            AddMenuEntry(&MainMenu, TempMenuEntry);
             break;
          case TAG_SHELL:
             j = 0;
             while ((FileName = FindCommaDelimited(SHELL_NAMES, j++)) != NULL) {
                if (FileExists(SelfRootDir, FileName)) {
-                  AddToolEntry(FileName, L"EFI Shell", BuiltinIcon(BUILTIN_ICON_TOOL_SHELL), 'E', FALSE);
+                  AddToolEntry(FileName, L"EFI Shell", BuiltinIcon(BUILTIN_ICON_TOOL_SHELL), 'S', FALSE);
                }
             } // while
             break;
@@ -1418,25 +1756,59 @@ static VOID ScanForTools(VOID) {
             }
             break;
       } // switch()
-      if (FileName != NULL) {
-         FreePool(FileName);
-         FileName = NULL;
-      }
+      MyFreePool(FileName);
+      FileName = NULL;
    } // for
 } // static VOID ScanForTools
 
+// Rescan for boot loaders
+VOID RescanAll(VOID) {
+   EG_PIXEL           BGColor;
+
+   BGColor.b = 255;
+   BGColor.g = 175;
+   BGColor.r = 100;
+   BGColor.a = 0;
+   egDisplayMessage(L"Scanning for new boot loaders; please wait....", &BGColor);
+   FreeList((VOID ***) &(MainMenu.Entries), &MainMenu.EntryCount);
+   MainMenu.Entries = NULL;
+   MainMenu.EntryCount = 0;
+   ReadConfig();
+   ConnectAllDriversToAllControllers();
+   ScanForBootloaders();
+   ScanForTools();
+   SetupScreen();
+} // VOID RescanAll()
+
+#ifndef __MAKEWITH_GNUEFI
+
+// Minimal initialization function
+static VOID InitializeLib(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable) {
+   gST            = SystemTable;
+   //    gImageHandle   = ImageHandle;
+   gBS            = SystemTable->BootServices;
+   //    gRS            = SystemTable->RuntimeServices;
+   gRT = SystemTable->RuntimeServices; // Some BDS functions need gRT to be set
+   EfiGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **) &gDS);
+
+   InitializeConsoleSim();
+}
+
+#endif
+
 //
 // main entry point
 //
-
 EFI_STATUS
 EFIAPI
 efi_main (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
 {
-    EFI_STATUS Status;
-    BOOLEAN MainLoopRunning = TRUE;
-    REFIT_MENU_ENTRY *ChosenEntry;
-    UINTN MenuExit;
+    EFI_STATUS         Status;
+    BOOLEAN            MainLoopRunning = TRUE;
+    REFIT_MENU_ENTRY   *ChosenEntry;
+    UINTN              MenuExit, i;
+    CHAR16             *Selection;
+    EG_PIXEL           BGColor;
 
     // bootstrap
     InitializeLib(ImageHandle, SystemTable);
@@ -1446,8 +1818,12 @@ efi_main (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
         return Status;
 
     // read configuration
-    CopyMem(GlobalConfig.ScanFor, "ieo       ", NUM_SCAN_OPTIONS);
+    CopyMem(GlobalConfig.ScanFor, "ieom      ", NUM_SCAN_OPTIONS);
+    FindLegacyBootType();
+    if (GlobalConfig.LegacyType == LEGACY_TYPE_MAC)
+       CopyMem(GlobalConfig.ScanFor, "ihebocm   ", NUM_SCAN_OPTIONS);
     ReadConfig();
+    WarnIfLegacyProblems();
     MainMenu.TimeoutSeconds = GlobalConfig.Timeout;
 
     // disable EFI watchdog timer
@@ -1459,17 +1835,24 @@ efi_main (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
     ScanForBootloaders();
     ScanForTools();
 
+    if (GlobalConfig.ScanDelay > 0) {
+       BGColor.b = 255;
+       BGColor.g = 175;
+       BGColor.r = 100;
+       BGColor.a = 0;
+       egDisplayMessage(L"Pausing before disk scan; please wait....", &BGColor);
+       for (i = 0; i < GlobalConfig.ScanDelay; i++)
+          refit_call1_wrapper(BS->Stall, 1000000);
+       RescanAll();
+    } // if
+
+    Selection = StrDuplicate(GlobalConfig.DefaultSelection);
     while (MainLoopRunning) {
-        MenuExit = RunMainMenu(&MainMenu, GlobalConfig.DefaultSelection, &ChosenEntry);
+        MenuExit = RunMainMenu(&MainMenu, Selection, &ChosenEntry);
 
-        // We don't allow exiting the main menu with the Escape key.
+        // The Escape key triggers a re-scan operation....
         if (MenuExit == MENU_EXIT_ESCAPE) {
-           // Commented-out below: Was part of an attempt to get rEFInd to
-           // re-scan disk devices on pressing Esc; but doesn't work (yet), so
-           // removed....
-//             ReadConfig();
-//             ScanForBootloaders();
-//             SetupScreen();
+            RescanAll();
             continue;
         }
 
@@ -1499,6 +1882,12 @@ efi_main (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
                 StartLegacy((LEGACY_ENTRY *)ChosenEntry);
                 break;
 
+#ifdef __MAKEWITH_TIANO
+            case TAG_LEGACY_UEFI: // Boot a legacy OS on a non-Mac
+                StartLegacyUEFI((LEGACY_ENTRY *)ChosenEntry);
+                break;
+#endif // __MAKEWITH_TIANO
+
             case TAG_TOOL:     // Start a EFI tool
                 StartTool((LOADER_ENTRY *)ChosenEntry);
                 break;
@@ -1508,8 +1897,10 @@ efi_main (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
                 return EFI_SUCCESS;
                 break;
 
-        }
-    }
+        } // switch()
+        MyFreePool(Selection);
+        Selection = (ChosenEntry->Title) ? StrDuplicate(ChosenEntry->Title) : NULL;
+    } // while()
 
     // If we end up here, things have gone wrong. Try to reboot, and if that
     // fails, go into an endless loop.