* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
- * Modifications copyright (c) 2012 Roderick W. Smith
+ * Modifications copyright (c) 2012-2013 Roderick W. Smith
*
* Modifications distributed under the terms of the GNU General Public
* License (GPL) version 3 (GPLv3), a copy of which must be distributed
#include "../EfiLib/BdsHelper.h"
#endif // __MAKEWITH_GNUEFI
+#ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI
+#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001ULL
+#endif
+
//
// variables
#define DRIVER_DIRS L"drivers,drivers_x64"
#define FALLBACK_FULLNAME L"EFI\\BOOT\\bootx64.efi"
#define FALLBACK_BASENAME L"bootx64.efi"
+#define EFI_STUB_ARCH 0x8664
#elif defined (EFI32)
#define SHELL_NAMES L"\\EFI\\tools\\shell.efi,\\EFI\\tools\\shellia32.efi,\\shell.efi,\\shellia32.efi"
#define GPTSYNC_NAMES L"\\EFI\\tools\\gptsync.efi,\\EFI\\tools\\gptsync_ia32.efi"
#define DRIVER_DIRS L"drivers,drivers_ia32"
#define FALLBACK_FULLNAME L"EFI\\BOOT\\bootia32.efi"
#define FALLBACK_BASENAME L"bootia32.efi"
+#define EFI_STUB_ARCH 0x014c
#else
#define SHELL_NAMES L"\\EFI\\tools\\shell.efi,\\shell.efi"
#define GPTSYNC_NAMES L"\\EFI\\tools\\gptsync.efi"
#define FALLBACK_FULLNAME L"EFI\\BOOT\\boot.efi" /* Not really correct */
#define FALLBACK_BASENAME L"boot.efi" /* Not really correct */
#endif
+#define FAT_ARCH 0x0ef1fab9 /* ID for Apple "fat" binary */
// Filename patterns that identify EFI boot loaders. Note that a single case (either L"*.efi" or
// L"*.EFI") is fine for most systems; but Gigabyte's buggy Hybrid EFI does a case-sensitive
static REFIT_MENU_ENTRY MenuEntryAbout = { L"About rEFInd", TAG_ABOUT, 1, 0, 'A', NULL, NULL, NULL };
static REFIT_MENU_ENTRY MenuEntryReset = { L"Reboot Computer", TAG_REBOOT, 1, 0, 'R', NULL, NULL, NULL };
static REFIT_MENU_ENTRY MenuEntryShutdown = { L"Shut Down Computer", TAG_SHUTDOWN, 1, 0, 'U', NULL, NULL, NULL };
-static REFIT_MENU_ENTRY MenuEntryReturn = { L"Return to Main Menu", TAG_RETURN, 0, 0, 0, NULL, NULL, NULL };
+static REFIT_MENU_ENTRY MenuEntryReturn = { L"Return to Main Menu", TAG_RETURN, 1, 0, 0, NULL, NULL, NULL };
static REFIT_MENU_ENTRY MenuEntryExit = { L"Exit rEFInd", TAG_EXIT, 1, 0, 0, NULL, NULL, NULL };
+static REFIT_MENU_ENTRY MenuEntryFirmware = { L"Reboot to Computer Setup Utility", TAG_FIRMWARE, 1, 0, 0, NULL, NULL, NULL };
static REFIT_MENU_SCREEN MainMenu = { L"Main Menu", NULL, 0, NULL, 0, NULL, 0, L"Automatic boot",
L"Use arrow keys to move cursor; Enter to boot;",
REFIT_CONFIG GlobalConfig = { FALSE, FALSE, 0, 0, 0, DONT_CHANGE_TEXT_MODE, 20, 0, 0, GRAPHICS_FOR_OSX, LEGACY_TYPE_MAC, 0, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- {TAG_SHELL, TAG_APPLE_RECOVERY, TAG_MOK_TOOL, TAG_ABOUT, TAG_SHUTDOWN, TAG_REBOOT, 0, 0, 0, 0, 0 }};
+ { TAG_SHELL, TAG_APPLE_RECOVERY, TAG_MOK_TOOL, TAG_ABOUT, TAG_SHUTDOWN, TAG_REBOOT, TAG_FIRMWARE,
+ 0, 0, 0, 0, 0, 0 }
+ };
+
+EFI_GUID GlobalGuid = EFI_GLOBAL_VARIABLE;
// Structure used to hold boot loader filenames and time stamps in
// a linked list; used to sort entries within a directory.
if (AboutMenu.EntryCount == 0) {
AboutMenu.TitleImage = BuiltinIcon(BUILTIN_ICON_FUNC_ABOUT);
- AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.6.9");
+ AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.7.0.2");
AddMenuInfoLine(&AboutMenu, L"");
AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2006-2010 Christoph Pfisterer");
AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2012-2013 Roderick W. Smith");
return StartEFIImageList(DevicePaths, LoadOptions, LoadOptionsPrefix, ImageTitle, OSType, ErrorInStep, Verbose);
} /* static EFI_STATUS StartEFIImage() */
+// From gummiboot: Retrieve a raw EFI variable.
+// Returns EFI status
+static EFI_STATUS EfivarGetRaw(EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size) {
+ CHAR8 *buf;
+ UINTN l;
+ EFI_STATUS err;
+
+ l = sizeof(CHAR16 *) * EFI_MAXIMUM_VARIABLE_SIZE;
+ buf = AllocatePool(l);
+ if (!buf)
+ return EFI_OUT_OF_RESOURCES;
+
+ err = refit_call5_wrapper(RT->GetVariable, name, vendor, NULL, &l, buf);
+ if (EFI_ERROR(err) == EFI_SUCCESS) {
+ *buffer = buf;
+ if (size)
+ *size = l;
+ } else
+ MyFreePool(buf);
+ return err;
+} // EFI_STATUS EfivarGetRaw()
+
+// From gummiboot: Set an EFI variable
+static EFI_STATUS EfivarSetRaw(EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) {
+ UINT32 flags;
+
+ flags = EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS;
+ if (persistent)
+ flags |= EFI_VARIABLE_NON_VOLATILE;
+
+ return refit_call5_wrapper(RT->SetVariable, name, vendor, flags, size, buf);
+} // EFI_STATUS EfivarSetRaw()
+
+// From gummiboot: Reboot the computer into its built-in user interface
+static EFI_STATUS RebootIntoFirmware(VOID) {
+ CHAR8 *b;
+ UINTN size;
+ UINT64 osind;
+ EFI_STATUS err;
+
+ osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
+
+ err = EfivarGetRaw(&GlobalGuid, L"OsIndications", &b, &size);
+ if (err == EFI_SUCCESS)
+ osind |= (UINT64)*b;
+ MyFreePool(b);
+
+ err = EfivarSetRaw(&GlobalGuid, L"OsIndications", (CHAR8 *)&osind, sizeof(UINT64), TRUE);
+ if (err != EFI_SUCCESS)
+ return err;
+
+ refit_call4_wrapper(RT->ResetSystem, EfiResetCold, EFI_SUCCESS, 0, NULL);
+ Print(L"Error calling ResetSystem: %r", err);
+ PauseForKey();
+// uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
+ return err;
+}
+
+
//
// EFI OS loader functions
//
-static VOID StartLoader(IN LOADER_ENTRY *Entry)
+static VOID StartLoader(LOADER_ENTRY *Entry)
{
UINTN ErrorInStep = 0;
} // while
MyFreePool(InitrdName);
MyFreePool(File);
- } // if Linux options file exists
+ } // if
} else if (Entry->OSType == 'E') { // entries for ELILO
SubEntry = InitializeLoaderEntry(Entry);
return (FullOptions);
} // static CHAR16 * GetMainLinuxOptions()
+// Try to guess the name of the Linux distribution & add that name to
+// OSIconName list.
+static VOID GuessLinuxDistribution(CHAR16 **OSIconName, REFIT_VOLUME *Volume, CHAR16 *LoaderPath) {
+ UINTN FileSize = 0;
+ REFIT_FILE File;
+ CHAR16** TokenList;
+ UINTN TokenCount = 0;
+
+ // If on Linux root fs, /etc/os-release file probably has clues....
+ if (FileExists(Volume->RootDir, L"etc\\os-release") &&
+ (ReadFile(Volume->RootDir, L"etc\\os-release", &File, &FileSize) == EFI_SUCCESS)) {
+ do {
+ TokenCount = ReadTokenLine(&File, &TokenList);
+ if ((TokenCount > 1) && ((StriCmp(TokenList[0], L"ID") == 0) || (StriCmp(TokenList[0], L"NAME") == 0))) {
+ MergeStrings(OSIconName, TokenList[1], L',');
+ } // if
+ FreeTokenLine(&TokenList, &TokenCount);
+ } while (TokenCount > 0);
+ MyFreePool(File.Buffer);
+ } // if
+
+ // Search for clues in the kernel's filename....
+ if (StriSubCmp(L".fc", LoaderPath))
+ MergeStrings(OSIconName, L"fedora", L',');
+ if (StriSubCmp(L".el", LoaderPath))
+ MergeStrings(OSIconName, L"redhat", L',');
+} // VOID GuessLinuxDistribution()
+
// Sets a few defaults for a loader entry -- mainly the icon, but also the OS type
// code and shortcut letter. For Linux EFI stub loaders, also sets kernel options
// that will (with luck) work fairly automatically.
// detect specific loaders
if (StriSubCmp(L"bzImage", LoaderPath) || StriSubCmp(L"vmlinuz", LoaderPath)) {
+ GuessLinuxDistribution(&OSIconName, Volume, LoaderPath);
MergeStrings(&OSIconName, L"linux", L',');
Entry->OSType = 'L';
if (ShortcutLetter == 0)
MergeStrings(&OSIconName, L"refit", L',');
Entry->OSType = 'R';
ShortcutLetter = 'R';
+ } else if (StriSubCmp(L"refind", LoaderPath)) {
+ MergeStrings(&OSIconName, L"refind", L',');
+ Entry->OSType = 'R';
+ ShortcutLetter = 'R';
} else if (StriCmp(LoaderPath, MACOSX_LOADER_PATH) == 0) {
if (Volume->VolIconImage != NULL) { // custom icon file found
Entry->me.Image = Volume->VolIconImage;
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) {
+ StriCmp(FileName, L"bootmgfw.efi") == 0 ||
+ StriCmp(FileName, L"bkpbootmgfw.efi") == 0) {
MergeStrings(&OSIconName, L"win", L',');
Entry->OSType = 'W';
ShortcutLetter = 'W';
return AreIdentical;
} // BOOLEAN DuplicatesFallback()
+// Returns FALSE if two measures of file size are identical for a single file,
+// TRUE if not or if the file can't be opened and the other measure is non-0.
+// Despite the function's name, this isn't really a direct test of symbolic
+// link status, since EFI doesn't officially support symlinks. It does seem
+// to be a reliable indicator, though. (OTOH, some disk errors might cause a
+// file to fail to open, which would return a false positive -- but as I use
+// this function to exclude symbolic links from the list of boot loaders,
+// that would be fine, since such boot loaders wouldn't work.)
+static BOOLEAN IsSymbolicLink(REFIT_VOLUME *Volume, CHAR16 *Path, EFI_FILE_INFO *DirEntry) {
+ EFI_FILE_HANDLE FileHandle;
+ EFI_FILE_INFO *FileInfo = NULL;
+ EFI_STATUS Status;
+ UINTN FileSize2 = 0;
+ CHAR16 *FileName;
+
+ FileName = StrDuplicate(Path);
+ MergeStrings(&FileName, DirEntry->FileName, L'\\');
+ CleanUpPathNameSlashes(FileName);
+
+ Status = refit_call5_wrapper(Volume->RootDir->Open, Volume->RootDir, &FileHandle, FileName, EFI_FILE_MODE_READ, 0);
+ if (Status == EFI_SUCCESS) {
+ FileInfo = LibFileInfo(FileHandle);
+ if (FileInfo != NULL)
+ FileSize2 = FileInfo->FileSize;
+ }
+
+ MyFreePool(FileName);
+ MyFreePool(FileInfo);
+
+ return (DirEntry->FileSize != FileSize2);
+} // BOOLEAN IsSymbolicLink()
+
+// Returns TRUE if this file is a valid EFI loader file, and is proper ARCH
+static BOOLEAN IsValidLoader(REFIT_VOLUME *Volume, CHAR16 *FileName) {
+ BOOLEAN IsValid = TRUE;
+#if defined (EFIX64) | defined (EFI32)
+ EFI_STATUS Status;
+ EFI_FILE_HANDLE FileHandle;
+ CHAR8 Header[512];
+ UINTN Size = sizeof(Header);
+
+ Status = refit_call5_wrapper(Volume->RootDir->Open, Volume->RootDir, &FileHandle, FileName, EFI_FILE_MODE_READ, 0);
+ if (EFI_ERROR(Status))
+ return 0;
+
+ Status = refit_call3_wrapper(FileHandle->Read, FileHandle, &Size, Header);
+ refit_call1_wrapper(FileHandle->Close, FileHandle);
+
+ IsValid = !EFI_ERROR(Status) &&
+ Size == sizeof(Header) &&
+ ((Header[0] == 'M' && Header[1] == 'Z' &&
+ (Size = *(UINT32 *)&Header[0x3c]) < 0x180 &&
+ Header[Size] == 'P' && Header[Size+1] == 'E' &&
+ Header[Size+2] == 0 && Header[Size+3] == 0 &&
+ *(UINT16 *)&Header[Size+4] == EFI_STUB_ARCH) ||
+ (*(UINT32 *)&Header == FAT_ARCH));
+#endif
+ return IsValid;
+} // BOOLEAN IsValidLoader()
+
// Scan an individual directory for EFI boot loader files and, if found,
// add them to the list. Exception: Ignores FALLBACK_FULLNAME, which is picked
// up in ScanEfiFiles(). Sorts the entries within the loader directory so that
StriCmp(Extension, L".png") == 0 ||
(StriCmp(DirEntry->FileName, FALLBACK_BASENAME) == 0 && (StriCmp(Path, L"EFI\\BOOT") == 0)) ||
StriSubCmp(L"shell", DirEntry->FileName) ||
+ IsSymbolicLink(Volume, Path, DirEntry) || /* is symbolic link */
IsIn(DirEntry->FileName, GlobalConfig.DontScanFiles))
continue; // skip this
else
SPrint(FileName, 255, L"\\%s", DirEntry->FileName);
CleanUpPathNameSlashes(FileName);
+
+ if(!IsValidLoader(Volume, FileName))
+ continue;
+
NewLoader = AllocateZeroPool(sizeof(struct LOADER_LIST));
if (NewLoader != NULL) {
NewLoader->FileName = StrDuplicate(FileName);
CHAR16 FileName[256], *Directory, *MatchPatterns, *VolName = NULL, *SelfPath;
UINTN i, Length;
BOOLEAN ScanFallbackLoader = TRUE;
+ BOOLEAN FoundBRBackup = FALSE;
MatchPatterns = StrDuplicate(LOADER_MATCH_PATTERNS);
if (GlobalConfig.ScanAllLinux)
} // if should scan Mac directory
// check for Microsoft boot loader/menu
- StrCpy(FileName, L"EFI\\Microsoft\\Boot\\Bootmgfw.efi");
- if (FileExists(Volume->RootDir, FileName) && ShouldScan(Volume, L"EFI\\Microsoft\\Boot") &&
- !IsIn(L"bootmgfw.efi", GlobalConfig.DontScanFiles)) {
- AddLoaderEntry(FileName, L"Microsoft EFI boot", Volume);
- if (DuplicatesFallback(Volume, FileName))
- ScanFallbackLoader = FALSE;
- }
+ if (ShouldScan(Volume, L"EFI\\Microsoft\\Boot")) {
+ StrCpy(FileName, L"EFI\\Microsoft\\Boot\\bkpbootmgfw.efi");
+ if (FileExists(Volume->RootDir, FileName) && !IsIn(L"bkpbootmgfw.efi", GlobalConfig.DontScanFiles)) {
+ AddLoaderEntry(FileName, L"Microsoft EFI boot (Boot Repair backup)", Volume);
+ FoundBRBackup = TRUE;
+ if (DuplicatesFallback(Volume, FileName))
+ ScanFallbackLoader = FALSE;
+ }
+ StrCpy(FileName, L"EFI\\Microsoft\\Boot\\bootmgfw.efi");
+ if (FileExists(Volume->RootDir, FileName) && !IsIn(L"bootmgfw.efi", GlobalConfig.DontScanFiles)) {
+ if (FoundBRBackup)
+ AddLoaderEntry(FileName, L"Supposed Microsoft EFI boot (probably GRUB)", Volume);
+ else
+ AddLoaderEntry(FileName, L"Microsoft EFI boot", Volume);
+ if (DuplicatesFallback(Volume, FileName))
+ ScanFallbackLoader = FALSE;
+ }
+ } // if
// scan the root directory for EFI executables
if (ScanLoaderDir(Volume, L"\\", MatchPatterns))
CHAR16 *FileName = NULL, *MokLocations, *MokName, *PathName, Description[256];
REFIT_MENU_ENTRY *TempMenuEntry;
UINTN i, j, k, VolumeIndex;
+ UINT64 osind;
+ CHAR8 *b = 0;
MokLocations = StrDuplicate(MOK_LOCATIONS);
if (MokLocations != NULL)
TempMenuEntry->Image = BuiltinIcon(BUILTIN_ICON_FUNC_EXIT);
AddMenuEntry(&MainMenu, TempMenuEntry);
break;
+ case TAG_FIRMWARE:
+ if (EfivarGetRaw(&GlobalGuid, L"OsIndicationsSupported", &b, &j) == EFI_SUCCESS) {
+ osind = (UINT64)*b;
+ if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) {
+ TempMenuEntry = CopyMenuEntry(&MenuEntryFirmware);
+ TempMenuEntry->Image = BuiltinIcon(BUILTIN_ICON_FUNC_FIRMWARE);
+ AddMenuEntry(&MainMenu, TempMenuEntry);
+ } // if
+ } // if
+ break;
case TAG_SHELL:
j = 0;
while ((FileName = FindCommaDelimited(SHELL_NAMES, j++)) != NULL) {
}
break;
+ case TAG_FIRMWARE: // Reboot into firmware's user interface
+ RebootIntoFirmware();
+ break;
+
} // switch()
MyFreePool(Selection);
Selection = (ChosenEntry->Title) ? StrDuplicate(ChosenEntry->Title) : NULL;