* 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
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 0.6.8.4");
+ AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.6.11");
AddMenuInfoLine(&AboutMenu, L"");
AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2006-2010 Christoph Pfisterer");
- AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2012 Roderick W. Smith");
+ AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2012-2013 Roderick W. Smith");
AddMenuInfoLine(&AboutMenu, L"Portions Copyright (c) Intel Corporation and others");
AddMenuInfoLine(&AboutMenu, L"Distributed under the terms of the GNU GPLv3 license");
AddMenuInfoLine(&AboutMenu, L"");
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
//
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;
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()
+
// 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
} // if should scan Mac directory
// check for Microsoft boot loader/menu
- StrCpy(FileName, L"EFI\\Microsoft\\Boot\\Bootmgfw.efi");
+ 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);
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;