X-Git-Url: https://code.delx.au/refind/blobdiff_plain/2569172b598d42a95c1aeb3bde752358f0b43689..08c9041e9404458af750b30d60ae79843996c890:/refind/main.c diff --git a/refind/main.c b/refind/main.c index ba1d850..a11dea9 100644 --- a/refind/main.c +++ b/refind/main.c @@ -34,7 +34,7 @@ * 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 @@ -61,22 +61,29 @@ #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 MACOSX_LOADER_PATH L"System\\Library\\CoreServices\\boot.efi" #if defined (EFIX64) #define SHELL_NAMES L"\\EFI\\tools\\shell.efi,\\EFI\\tools\\shellx64.efi,\\shell.efi,\\shellx64.efi" +#define GPTSYNC_NAMES L"\\EFI\\tools\\gptsync.efi,\\EFI\\tools\\gptsync_x64.efi" #define DRIVER_DIRS L"drivers,drivers_x64" #define FALLBACK_FULLNAME L"EFI\\BOOT\\bootx64.efi" #define FALLBACK_BASENAME L"bootx64.efi" #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" #else #define SHELL_NAMES L"\\EFI\\tools\\shell.efi,\\shell.efi" +#define GPTSYNC_NAMES L"\\EFI\\tools\\gptsync.efi" #define DRIVER_DIRS L"drivers" #define FALLBACK_FULLNAME L"EFI\\BOOT\\boot.efi" /* Not really correct */ #define FALLBACK_BASENAME L"boot.efi" /* Not really correct */ @@ -102,8 +109,9 @@ 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;", @@ -112,7 +120,11 @@ static REFIT_MENU_SCREEN AboutMenu = { L"About", NULL, 0, NULL, 0, NULL, 0, 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. @@ -132,10 +144,10 @@ static VOID AboutrEFInd(VOID) if (AboutMenu.EntryCount == 0) { AboutMenu.TitleImage = BuiltinIcon(BUILTIN_ICON_FUNC_ABOUT); - AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.6.8"); + 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""); @@ -308,6 +320,65 @@ static EFI_STATUS StartEFIImage(IN EFI_DEVICE_PATH *DevicePath, 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 // @@ -736,6 +807,34 @@ static CHAR16 * GetMainLinuxOptions(IN CHAR16 * LoaderPath, IN REFIT_VOLUME *Vol 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. @@ -787,6 +886,7 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, REFIT_VOLUME *Vo // 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) @@ -797,6 +897,10 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, REFIT_VOLUME *Vo 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; @@ -975,6 +1079,9 @@ static BOOLEAN DuplicatesFallback(IN REFIT_VOLUME *Volume, IN CHAR16 *FileName) EFI_STATUS Status; BOOLEAN AreIdentical = FALSE; + if (!FileExists(Volume->RootDir, FileName) || !FileExists(Volume->RootDir, FALLBACK_FULLNAME)) + return FALSE; + CleanUpPathNameSlashes(FileName); if (StriCmp(FileName, FALLBACK_FULLNAME) == 0) @@ -1004,8 +1111,9 @@ static BOOLEAN DuplicatesFallback(IN REFIT_VOLUME *Volume, IN CHAR16 *FileName) FallbackContents = AllocatePool(FallbackSize); if (FileContents && FallbackContents) { Status = refit_call3_wrapper(FileHandle->Read, FileHandle, &FileSize, FileContents); - if (Status == EFI_SUCCESS) + if (Status == EFI_SUCCESS) { Status = refit_call3_wrapper(FallbackHandle->Read, FallbackHandle, &FallbackSize, FallbackContents); + } if (Status == EFI_SUCCESS) { AreIdentical = (CompareMem(FileContents, FallbackContents, FileSize) == 0); } // if @@ -1014,12 +1122,45 @@ static BOOLEAN DuplicatesFallback(IN REFIT_VOLUME *Volume, IN CHAR16 *FileName) MyFreePool(FallbackContents); } // if/else - refit_call1_wrapper(FileHandle->Close, FileHandle); + // BUG ALERT: Some systems (e.g., DUET, some Macs with large displays) crash if the + // following two calls are reversed. Go figure.... refit_call1_wrapper(FileHandle->Close, FallbackHandle); + refit_call1_wrapper(FileHandle->Close, FileHandle); 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 @@ -1046,6 +1187,7 @@ static BOOLEAN ScanLoaderDir(IN REFIT_VOLUME *Volume, IN CHAR16 *Path, IN CHAR16 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 @@ -1093,7 +1235,7 @@ static VOID ScanEfiFiles(REFIT_VOLUME *Volume) { EFI_STATUS Status; REFIT_DIR_ITER EfiDirIter; EFI_FILE_INFO *EfiDirEntry; - CHAR16 FileName[256], *Directory, *MatchPatterns, *VolName = NULL; + CHAR16 FileName[256], *Directory, *MatchPatterns, *VolName = NULL, *SelfPath; UINTN i, Length; BOOLEAN ScanFallbackLoader = TRUE; @@ -1121,7 +1263,7 @@ static VOID ScanEfiFiles(REFIT_VOLUME *Volume) { } // 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); @@ -1158,11 +1300,16 @@ static VOID ScanEfiFiles(REFIT_VOLUME *Volume) { MyFreePool(VolName); } // while + // Don't scan the fallback loader if it's on the same volume and a duplicate of rEFInd itself.... + SelfPath = DevicePathToStr(SelfLoadedImage->FilePath); + CleanUpPathNameSlashes(SelfPath); + if ((Volume->DeviceHandle == SelfLoadedImage->DeviceHandle) && DuplicatesFallback(Volume, SelfPath)) + ScanFallbackLoader = FALSE; + // If not a duplicate & if it exists & if it's not us, create an entry // for the fallback boot loader - if (ScanFallbackLoader && FileExists(Volume->RootDir, FALLBACK_FULLNAME) && ShouldScan(Volume, L"EFI\\BOOT")) { + if (ScanFallbackLoader && FileExists(Volume->RootDir, FALLBACK_FULLNAME) && ShouldScan(Volume, L"EFI\\BOOT")) AddLoaderEntry(FALLBACK_FULLNAME, L"Fallback boot loader", Volume); - } } // if } // static VOID ScanEfiFiles() @@ -1962,6 +2109,8 @@ static VOID ScanForTools(VOID) { 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) @@ -1990,6 +2139,16 @@ static VOID ScanForTools(VOID) { 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) { @@ -2001,11 +2160,14 @@ static VOID ScanForTools(VOID) { } // while break; case TAG_GPTSYNC: - FileName = StrDuplicate(L"\\efi\\tools\\gptsync.efi"); - if (FileExists(SelfRootDir, FileName)) { - AddToolEntry(SelfLoadedImage->DeviceHandle, FileName, L"Make Hybrid MBR", BuiltinIcon(BUILTIN_ICON_TOOL_PART), 'P', FALSE); - } - MyFreePool(FileName); + j = 0; + while ((FileName = FindCommaDelimited(GPTSYNC_NAMES, j++)) != NULL) { + if (FileExists(SelfRootDir, FileName)) { + AddToolEntry(SelfLoadedImage->DeviceHandle, FileName, L"Hybrid MBR tool", BuiltinIcon(BUILTIN_ICON_TOOL_PART), + 'P', FALSE); + } // if + MyFreePool(FileName); + } // while FileName = NULL; break; case TAG_APPLE_RECOVERY: @@ -2228,6 +2390,10 @@ efi_main (EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) } break; + case TAG_FIRMWARE: // Reboot into firmware's user interface + RebootIntoFirmware(); + break; + } // switch() MyFreePool(Selection); Selection = (ChosenEntry->Title) ? StrDuplicate(ChosenEntry->Title) : NULL;