X-Git-Url: https://code.delx.au/refind/blobdiff_plain/2d83927f5eac11b6e2b0462454973c431e0a19f9..e07b72471fa62945801b4a4e3bcac662a1b4888d:/refind/main.c diff --git a/refind/main.c b/refind/main.c index e1a8be7..ca7bb13 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 @@ -61,6 +61,10 @@ #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 @@ -71,12 +75,14 @@ #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" @@ -84,6 +90,7 @@ #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 @@ -105,8 +112,9 @@ 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;", @@ -115,7 +123,11 @@ 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. @@ -135,10 +147,10 @@ static VOID AboutrEFInd(VOID) 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 0.7.0"); 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""); @@ -311,11 +323,70 @@ 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 // -static VOID StartLoader(IN LOADER_ENTRY *Entry) +static VOID StartLoader(LOADER_ENTRY *Entry) { UINTN ErrorInStep = 0; @@ -650,7 +721,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) { } // while MyFreePool(InitrdName); MyFreePool(File); - } // if Linux options file exists + } // if } else if (Entry->OSType == 'E') { // entries for ELILO SubEntry = InitializeLoaderEntry(Entry); @@ -739,6 +810,34 @@ 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. @@ -790,6 +889,7 @@ 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) @@ -800,6 +900,10 @@ 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; @@ -1028,6 +1132,66 @@ static BOOLEAN DuplicatesFallback(IN REFIT_VOLUME *Volume, IN CHAR16 *FileName) 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 @@ -1054,6 +1218,7 @@ 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 @@ -1062,6 +1227,12 @@ static BOOLEAN ScanLoaderDir(IN REFIT_VOLUME *Volume, IN CHAR16 *Path, IN CHAR16 else SPrint(FileName, 255, L"\\%s", DirEntry->FileName); CleanUpPathNameSlashes(FileName); + + if( /* (!StriSubCmp(L"vmlinuz", DirEntry->FileName) || + !StriSubCmp(L"bzImage", DirEntry->FileName)) && */ + !IsValidLoader(Volume, FileName)) + continue; + NewLoader = AllocateZeroPool(sizeof(struct LOADER_LIST)); if (NewLoader != NULL) { NewLoader->FileName = StrDuplicate(FileName); @@ -1129,7 +1300,7 @@ 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); @@ -1975,6 +2146,8 @@ 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) @@ -2003,6 +2176,16 @@ 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) { @@ -2244,6 +2427,10 @@ 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;