From 19f4f86bfed21c5326ed2acebe1163f3a83e832b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:25:50 +0200 Subject: Adding upstream version 241. Signed-off-by: Daniel Baumann --- src/boot/efi/boot.c | 2250 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2250 insertions(+) create mode 100644 src/boot/efi/boot.c (limited to 'src/boot/efi/boot.c') diff --git a/src/boot/efi/boot.c b/src/boot/efi/boot.c new file mode 100644 index 0000000..9bf6895 --- /dev/null +++ b/src/boot/efi/boot.c @@ -0,0 +1,2250 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include +#include + +#include "console.h" +#include "disk.h" +#include "graphics.h" +#include "linux.h" +#include "measure.h" +#include "pe.h" +#include "shim.h" +#include "util.h" + +#ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI +#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001ULL +#endif + +/* magic string to find in the binary image */ +static const char __attribute__((used)) magic[] = "#### LoaderInfo: systemd-boot " GIT_VERSION " ####"; + +static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE; + +enum loader_type { + LOADER_UNDEFINED, + LOADER_EFI, + LOADER_LINUX, +}; + +typedef struct { + CHAR16 *id; /* The identifier for this entry (note that this id is not necessarily unique though!) */ + CHAR16 *title_show; + CHAR16 *title; + CHAR16 *version; + CHAR16 *machine_id; + EFI_HANDLE *device; + enum loader_type type; + CHAR16 *loader; + CHAR16 *options; + CHAR16 key; + EFI_STATUS (*call)(VOID); + BOOLEAN no_autoselect; + BOOLEAN non_unique; + UINTN tries_done; + UINTN tries_left; + CHAR16 *path; + CHAR16 *current_name; + CHAR16 *next_name; +} ConfigEntry; + +typedef struct { + ConfigEntry **entries; + UINTN entry_count; + INTN idx_default; + INTN idx_default_efivar; + UINTN timeout_sec; + UINTN timeout_sec_config; + INTN timeout_sec_efivar; + CHAR16 *entry_default_pattern; + CHAR16 *entry_oneshot; + CHAR16 *options_edit; + BOOLEAN editor; + BOOLEAN auto_entries; + BOOLEAN auto_firmware; + BOOLEAN force_menu; + UINTN console_mode; + enum console_mode_change_type console_mode_change; +} Config; + +static VOID cursor_left(UINTN *cursor, UINTN *first) { + if ((*cursor) > 0) + (*cursor)--; + else if ((*first) > 0) + (*first)--; +} + +static VOID cursor_right( + UINTN *cursor, + UINTN *first, + UINTN x_max, + UINTN len) { + + if ((*cursor)+1 < x_max) + (*cursor)++; + else if ((*first) + (*cursor) < len) + (*first)++; +} + +static BOOLEAN line_edit( + CHAR16 *line_in, + CHAR16 **line_out, + UINTN x_max, + UINTN y_pos) { + + _cleanup_freepool_ CHAR16 *line = NULL, *print = NULL; + UINTN size, len, first, cursor, clear; + BOOLEAN exit, enter; + + if (!line_in) + line_in = L""; + size = StrLen(line_in) + 1024; + line = AllocatePool(size * sizeof(CHAR16)); + StrCpy(line, line_in); + len = StrLen(line); + print = AllocatePool((x_max+1) * sizeof(CHAR16)); + + uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, TRUE); + + first = 0; + cursor = 0; + clear = 0; + enter = FALSE; + exit = FALSE; + while (!exit) { + EFI_STATUS err; + UINT64 key; + UINTN i; + + i = len - first; + if (i >= x_max-1) + i = x_max-1; + CopyMem(print, line + first, i * sizeof(CHAR16)); + while (clear > 0 && i < x_max-1) { + clear--; + print[i++] = ' '; + } + print[i] = '\0'; + + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_pos); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, print); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos); + + err = console_key_read(&key, TRUE); + if (EFI_ERROR(err)) + continue; + + switch (key) { + case KEYPRESS(0, SCAN_ESC, 0): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'c'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'g'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('c')): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('g')): + exit = TRUE; + break; + + case KEYPRESS(0, SCAN_HOME, 0): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'a'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('a')): + /* beginning-of-line */ + cursor = 0; + first = 0; + continue; + + case KEYPRESS(0, SCAN_END, 0): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'e'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('e')): + /* end-of-line */ + cursor = len - first; + if (cursor+1 >= x_max) { + cursor = x_max-1; + first = len - (x_max-1); + } + continue; + + case KEYPRESS(0, SCAN_DOWN, 0): + case KEYPRESS(EFI_ALT_PRESSED, 0, 'f'): + case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_RIGHT, 0): + /* forward-word */ + while (line[first + cursor] == ' ') + cursor_right(&cursor, &first, x_max, len); + while (line[first + cursor] && line[first + cursor] != ' ') + cursor_right(&cursor, &first, x_max, len); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos); + continue; + + case KEYPRESS(0, SCAN_UP, 0): + case KEYPRESS(EFI_ALT_PRESSED, 0, 'b'): + case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_LEFT, 0): + /* backward-word */ + if ((first + cursor) > 0 && line[first + cursor-1] == ' ') { + cursor_left(&cursor, &first); + while ((first + cursor) > 0 && line[first + cursor] == ' ') + cursor_left(&cursor, &first); + } + while ((first + cursor) > 0 && line[first + cursor-1] != ' ') + cursor_left(&cursor, &first); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos); + continue; + + case KEYPRESS(0, SCAN_RIGHT, 0): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'f'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('f')): + /* forward-char */ + if (first + cursor == len) + continue; + cursor_right(&cursor, &first, x_max, len); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos); + continue; + + case KEYPRESS(0, SCAN_LEFT, 0): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'b'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('b')): + /* backward-char */ + cursor_left(&cursor, &first); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos); + continue; + + case KEYPRESS(EFI_ALT_PRESSED, 0, 'd'): + /* kill-word */ + clear = 0; + for (i = first + cursor; i < len && line[i] == ' '; i++) + clear++; + for (; i < len && line[i] != ' '; i++) + clear++; + + for (i = first + cursor; i + clear < len; i++) + line[i] = line[i + clear]; + len -= clear; + line[len] = '\0'; + continue; + + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'w'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('w')): + case KEYPRESS(EFI_ALT_PRESSED, 0, CHAR_BACKSPACE): + /* backward-kill-word */ + clear = 0; + if ((first + cursor) > 0 && line[first + cursor-1] == ' ') { + cursor_left(&cursor, &first); + clear++; + while ((first + cursor) > 0 && line[first + cursor] == ' ') { + cursor_left(&cursor, &first); + clear++; + } + } + while ((first + cursor) > 0 && line[first + cursor-1] != ' ') { + cursor_left(&cursor, &first); + clear++; + } + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos); + + for (i = first + cursor; i + clear < len; i++) + line[i] = line[i + clear]; + len -= clear; + line[len] = '\0'; + continue; + + case KEYPRESS(0, SCAN_DELETE, 0): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'd'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('d')): + if (len == 0) + continue; + if (first + cursor == len) + continue; + for (i = first + cursor; i < len; i++) + line[i] = line[i+1]; + clear = 1; + len--; + continue; + + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'k'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('k')): + /* kill-line */ + line[first + cursor] = '\0'; + clear = len - (first + cursor); + len = first + cursor; + continue; + + case KEYPRESS(0, 0, CHAR_LINEFEED): + case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN): + if (StrCmp(line, line_in) != 0) { + *line_out = line; + line = NULL; + } + enter = TRUE; + exit = TRUE; + break; + + case KEYPRESS(0, 0, CHAR_BACKSPACE): + if (len == 0) + continue; + if (first == 0 && cursor == 0) + continue; + for (i = first + cursor-1; i < len; i++) + line[i] = line[i+1]; + clear = 1; + len--; + if (cursor > 0) + cursor--; + if (cursor > 0 || first == 0) + continue; + /* show full line if it fits */ + if (len < x_max) { + cursor = first; + first = 0; + continue; + } + /* jump left to see what we delete */ + if (first > 10) { + first -= 10; + cursor = 10; + } else { + cursor = first; + first = 0; + } + continue; + + case KEYPRESS(0, 0, ' ') ... KEYPRESS(0, 0, '~'): + case KEYPRESS(0, 0, 0x80) ... KEYPRESS(0, 0, 0xffff): + if (len+1 == size) + continue; + for (i = len; i > first + cursor; i--) + line[i] = line[i-1]; + line[first + cursor] = KEYCHAR(key); + len++; + line[len] = '\0'; + if (cursor+1 < x_max) + cursor++; + else if (first + cursor < len) + first++; + continue; + } + } + + uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE); + return enter; +} + +static UINTN entry_lookup_key(Config *config, UINTN start, CHAR16 key) { + UINTN i; + + if (key == 0) + return -1; + + /* select entry by number key */ + if (key >= '1' && key <= '9') { + i = key - '0'; + if (i > config->entry_count) + i = config->entry_count; + return i-1; + } + + /* find matching key in config entries */ + for (i = start; i < config->entry_count; i++) + if (config->entries[i]->key == key) + return i; + + for (i = 0; i < start; i++) + if (config->entries[i]->key == key) + return i; + + return -1; +} + +static VOID print_status(Config *config, CHAR16 *loaded_image_path) { + UINT64 key; + UINTN i; + _cleanup_freepool_ CHAR8 *bootvar = NULL, *modevar = NULL, *indvar = NULL; + _cleanup_freepool_ CHAR16 *partstr = NULL, *defaultstr = NULL; + UINTN x, y, size; + + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK); + uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut); + + Print(L"systemd-boot version: " GIT_VERSION "\n"); + Print(L"architecture: " EFI_MACHINE_TYPE_NAME "\n"); + Print(L"loaded image: %s\n", loaded_image_path); + Print(L"UEFI specification: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff); + Print(L"firmware vendor: %s\n", ST->FirmwareVendor); + Print(L"firmware version: %d.%02d\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff); + + if (uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x, &y) == EFI_SUCCESS) + Print(L"console size: %d x %d\n", x, y); + + if (efivar_get_raw(&global_guid, L"SecureBoot", &bootvar, &size) == EFI_SUCCESS) + Print(L"SecureBoot: %s\n", yes_no(*bootvar > 0)); + + if (efivar_get_raw(&global_guid, L"SetupMode", &modevar, &size) == EFI_SUCCESS) + Print(L"SetupMode: %s\n", *modevar > 0 ? L"setup" : L"user"); + + if (shim_loaded()) + Print(L"Shim: present\n"); + + if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &indvar, &size) == EFI_SUCCESS) + Print(L"OsIndicationsSupported: %d\n", (UINT64)*indvar); + + Print(L"\n--- press key ---\n\n"); + console_key_read(&key, TRUE); + + Print(L"timeout: %u\n", config->timeout_sec); + if (config->timeout_sec_efivar >= 0) + Print(L"timeout (EFI var): %d\n", config->timeout_sec_efivar); + Print(L"timeout (config): %u\n", config->timeout_sec_config); + if (config->entry_default_pattern) + Print(L"default pattern: '%s'\n", config->entry_default_pattern); + Print(L"editor: %s\n", yes_no(config->editor)); + Print(L"auto-entries: %s\n", yes_no(config->auto_entries)); + Print(L"auto-firmware: %s\n", yes_no(config->auto_firmware)); + Print(L"\n"); + + Print(L"config entry count: %d\n", config->entry_count); + Print(L"entry selected idx: %d\n", config->idx_default); + if (config->idx_default_efivar >= 0) + Print(L"entry EFI var idx: %d\n", config->idx_default_efivar); + Print(L"\n"); + + if (efivar_get_int(L"LoaderConfigTimeout", &i) == EFI_SUCCESS) + Print(L"LoaderConfigTimeout: %u\n", i); + + if (config->entry_oneshot) + Print(L"LoaderEntryOneShot: %s\n", config->entry_oneshot); + if (efivar_get(L"LoaderDevicePartUUID", &partstr) == EFI_SUCCESS) + Print(L"LoaderDevicePartUUID: %s\n", partstr); + if (efivar_get(L"LoaderEntryDefault", &defaultstr) == EFI_SUCCESS) + Print(L"LoaderEntryDefault: %s\n", defaultstr); + + Print(L"\n--- press key ---\n\n"); + console_key_read(&key, TRUE); + + for (i = 0; i < config->entry_count; i++) { + ConfigEntry *entry; + + if (key == KEYPRESS(0, SCAN_ESC, 0) || key == KEYPRESS(0, 0, 'q')) + break; + + entry = config->entries[i]; + Print(L"config entry: %d/%d\n", i+1, config->entry_count); + if (entry->id) + Print(L"id '%s'\n", entry->id); + Print(L"title show '%s'\n", entry->title_show); + if (entry->title) + Print(L"title '%s'\n", entry->title); + if (entry->version) + Print(L"version '%s'\n", entry->version); + if (entry->machine_id) + Print(L"machine-id '%s'\n", entry->machine_id); + if (entry->device) { + EFI_DEVICE_PATH *device_path; + + device_path = DevicePathFromHandle(entry->device); + if (device_path) { + _cleanup_freepool_ CHAR16 *str; + + str = DevicePathToStr(device_path); + Print(L"device handle '%s'\n", str); + } + } + if (entry->loader) + Print(L"loader '%s'\n", entry->loader); + if (entry->options) + Print(L"options '%s'\n", entry->options); + Print(L"auto-select %s\n", yes_no(!entry->no_autoselect)); + if (entry->call) + Print(L"internal call yes\n"); + + if (entry->tries_left != (UINTN) -1) + Print(L"counting boots yes\n" + "tries done %u\n" + "tries left %u\n" + "current path %s\\%s\n" + "next path %s\\%s\n", + entry->tries_done, + entry->tries_left, + entry->path, entry->current_name, + entry->path, entry->next_name); + + Print(L"\n--- press key ---\n\n"); + console_key_read(&key, TRUE); + } + + uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut); +} + +static BOOLEAN menu_run( + Config *config, + ConfigEntry **chosen_entry, + CHAR16 *loaded_image_path) { + + EFI_STATUS err; + UINTN visible_max; + UINTN idx_highlight; + UINTN idx_highlight_prev; + UINTN idx_first; + UINTN idx_last; + BOOLEAN refresh; + BOOLEAN highlight; + UINTN i; + UINTN line_width; + CHAR16 **lines; + UINTN x_start; + UINTN y_start; + UINTN x_max; + UINTN y_max; + CHAR16 *status; + CHAR16 *clearline; + INTN timeout_remain; + INT16 idx; + BOOLEAN exit = FALSE; + BOOLEAN run = TRUE; + BOOLEAN wait = FALSE; + BOOLEAN cleared_screen = FALSE; + + graphics_mode(FALSE); + uefi_call_wrapper(ST->ConIn->Reset, 2, ST->ConIn, FALSE); + uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE); + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK); + + /* draw a single character to make ClearScreen work on some firmware */ + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L" "); + + if (config->console_mode_change != CONSOLE_MODE_KEEP) { + err = console_set_mode(&config->console_mode, config->console_mode_change); + if (!EFI_ERROR(err)) + cleared_screen = TRUE; + } + + if (!cleared_screen) + uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut); + + if (config->console_mode_change != CONSOLE_MODE_KEEP && EFI_ERROR(err)) + Print(L"Error switching console mode to %ld: %r.\r", (UINT64)config->console_mode, err); + + err = uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x_max, &y_max); + if (EFI_ERROR(err)) { + x_max = 80; + y_max = 25; + } + + /* we check 10 times per second for a keystroke */ + if (config->timeout_sec > 0) + timeout_remain = config->timeout_sec * 10; + else + timeout_remain = -1; + + idx_highlight = config->idx_default; + idx_highlight_prev = 0; + + visible_max = y_max - 2; + + if ((UINTN)config->idx_default >= visible_max) + idx_first = config->idx_default-1; + else + idx_first = 0; + + idx_last = idx_first + visible_max-1; + + refresh = TRUE; + highlight = FALSE; + + /* length of the longest entry */ + line_width = 5; + for (i = 0; i < config->entry_count; i++) { + UINTN entry_len; + + entry_len = StrLen(config->entries[i]->title_show); + if (line_width < entry_len) + line_width = entry_len; + } + if (line_width > x_max-6) + line_width = x_max-6; + + /* offsets to center the entries on the screen */ + x_start = (x_max - (line_width)) / 2; + if (config->entry_count < visible_max) + y_start = ((visible_max - config->entry_count) / 2) + 1; + else + y_start = 0; + + /* menu entries title lines */ + lines = AllocatePool(sizeof(CHAR16 *) * config->entry_count); + for (i = 0; i < config->entry_count; i++) { + UINTN j, k; + + lines[i] = AllocatePool(((x_max+1) * sizeof(CHAR16))); + for (j = 0; j < x_start; j++) + lines[i][j] = ' '; + + for (k = 0; config->entries[i]->title_show[k] != '\0' && j < x_max; j++, k++) + lines[i][j] = config->entries[i]->title_show[k]; + + for (; j < x_max; j++) + lines[i][j] = ' '; + lines[i][x_max] = '\0'; + } + + status = NULL; + clearline = AllocatePool((x_max+1) * sizeof(CHAR16)); + for (i = 0; i < x_max; i++) + clearline[i] = ' '; + clearline[i] = 0; + + while (!exit) { + UINT64 key; + + if (refresh) { + for (i = 0; i < config->entry_count; i++) { + if (i < idx_first || i > idx_last) + continue; + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + i - idx_first); + if (i == idx_highlight) + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, + EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY); + else + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, + EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[i]); + if ((INTN)i == config->idx_default_efivar) { + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + i - idx_first); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>"); + } + } + refresh = FALSE; + } else if (highlight) { + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight_prev - idx_first); + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight_prev]); + if ((INTN)idx_highlight_prev == config->idx_default_efivar) { + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight_prev - idx_first); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>"); + } + + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight - idx_first); + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight]); + if ((INTN)idx_highlight == config->idx_default_efivar) { + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight - idx_first); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>"); + } + highlight = FALSE; + } + + if (timeout_remain > 0) { + FreePool(status); + status = PoolPrint(L"Boot in %d sec.", (timeout_remain + 5) / 10); + } + + /* print status at last line of screen */ + if (status) { + UINTN len; + UINTN x; + + /* center line */ + len = StrLen(status); + if (len < x_max) + x = (x_max - len) / 2; + else + x = 0; + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline + (x_max - x)); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, status); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1 + x + len); + } + + err = console_key_read(&key, wait); + if (EFI_ERROR(err)) { + /* timeout reached */ + if (timeout_remain == 0) { + exit = TRUE; + break; + } + + /* sleep and update status */ + if (timeout_remain > 0) { + uefi_call_wrapper(BS->Stall, 1, 100 * 1000); + timeout_remain--; + continue; + } + + /* timeout disabled, wait for next key */ + wait = TRUE; + continue; + } + + timeout_remain = -1; + + /* clear status after keystroke */ + if (status) { + FreePool(status); + status = NULL; + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1); + } + + idx_highlight_prev = idx_highlight; + + switch (key) { + case KEYPRESS(0, SCAN_UP, 0): + case KEYPRESS(0, 0, 'k'): + if (idx_highlight > 0) + idx_highlight--; + break; + + case KEYPRESS(0, SCAN_DOWN, 0): + case KEYPRESS(0, 0, 'j'): + if (idx_highlight < config->entry_count-1) + idx_highlight++; + break; + + case KEYPRESS(0, SCAN_HOME, 0): + case KEYPRESS(EFI_ALT_PRESSED, 0, '<'): + if (idx_highlight > 0) { + refresh = TRUE; + idx_highlight = 0; + } + break; + + case KEYPRESS(0, SCAN_END, 0): + case KEYPRESS(EFI_ALT_PRESSED, 0, '>'): + if (idx_highlight < config->entry_count-1) { + refresh = TRUE; + idx_highlight = config->entry_count-1; + } + break; + + case KEYPRESS(0, SCAN_PAGE_UP, 0): + if (idx_highlight > visible_max) + idx_highlight -= visible_max; + else + idx_highlight = 0; + break; + + case KEYPRESS(0, SCAN_PAGE_DOWN, 0): + idx_highlight += visible_max; + if (idx_highlight > config->entry_count-1) + idx_highlight = config->entry_count-1; + break; + + case KEYPRESS(0, 0, CHAR_LINEFEED): + case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN): + exit = TRUE; + break; + + case KEYPRESS(0, SCAN_F1, 0): + case KEYPRESS(0, 0, 'h'): + case KEYPRESS(0, 0, '?'): + status = StrDuplicate(L"(d)efault, (t/T)timeout, (e)dit, (v)ersion (Q)uit (P)rint (h)elp"); + break; + + case KEYPRESS(0, 0, 'Q'): + exit = TRUE; + run = FALSE; + break; + + case KEYPRESS(0, 0, 'd'): + if (config->idx_default_efivar != (INTN)idx_highlight) { + /* store the selected entry in a persistent EFI variable */ + efivar_set(L"LoaderEntryDefault", config->entries[idx_highlight]->id, TRUE); + config->idx_default_efivar = idx_highlight; + status = StrDuplicate(L"Default boot entry selected."); + } else { + /* clear the default entry EFI variable */ + efivar_set(L"LoaderEntryDefault", NULL, TRUE); + config->idx_default_efivar = -1; + status = StrDuplicate(L"Default boot entry cleared."); + } + refresh = TRUE; + break; + + case KEYPRESS(0, 0, '-'): + case KEYPRESS(0, 0, 'T'): + if (config->timeout_sec_efivar > 0) { + config->timeout_sec_efivar--; + efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE); + if (config->timeout_sec_efivar > 0) + status = PoolPrint(L"Menu timeout set to %d sec.", config->timeout_sec_efivar); + else + status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu."); + } else if (config->timeout_sec_efivar <= 0){ + config->timeout_sec_efivar = -1; + efivar_set(L"LoaderConfigTimeout", NULL, TRUE); + if (config->timeout_sec_config > 0) + status = PoolPrint(L"Menu timeout of %d sec is defined by configuration file.", + config->timeout_sec_config); + else + status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu."); + } + break; + + case KEYPRESS(0, 0, '+'): + case KEYPRESS(0, 0, 't'): + if (config->timeout_sec_efivar == -1 && config->timeout_sec_config == 0) + config->timeout_sec_efivar++; + config->timeout_sec_efivar++; + efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE); + if (config->timeout_sec_efivar > 0) + status = PoolPrint(L"Menu timeout set to %d sec.", + config->timeout_sec_efivar); + else + status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu."); + break; + + case KEYPRESS(0, 0, 'e'): + /* only the options of configured entries can be edited */ + if (!config->editor || config->entries[idx_highlight]->type == LOADER_UNDEFINED) + break; + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK); + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1); + if (line_edit(config->entries[idx_highlight]->options, &config->options_edit, x_max-1, y_max-1)) + exit = TRUE; + uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1); + uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1); + break; + + case KEYPRESS(0, 0, 'v'): + status = PoolPrint(L"systemd-boot " GIT_VERSION " (" EFI_MACHINE_TYPE_NAME "), UEFI Specification %d.%02d, Vendor %s %d.%02d", + ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff, + ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff); + break; + + case KEYPRESS(0, 0, 'P'): + print_status(config, loaded_image_path); + refresh = TRUE; + break; + + case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'l'): + case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('l')): + refresh = TRUE; + break; + + default: + /* jump with a hotkey directly to a matching entry */ + idx = entry_lookup_key(config, idx_highlight+1, KEYCHAR(key)); + if (idx < 0) + break; + idx_highlight = idx; + refresh = TRUE; + } + + if (idx_highlight > idx_last) { + idx_last = idx_highlight; + idx_first = 1 + idx_highlight - visible_max; + refresh = TRUE; + } else if (idx_highlight < idx_first) { + idx_first = idx_highlight; + idx_last = idx_highlight + visible_max-1; + refresh = TRUE; + } + + if (!refresh && idx_highlight != idx_highlight_prev) + highlight = TRUE; + } + + *chosen_entry = config->entries[idx_highlight]; + + for (i = 0; i < config->entry_count; i++) + FreePool(lines[i]); + FreePool(lines); + FreePool(clearline); + + uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_WHITE|EFI_BACKGROUND_BLACK); + uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut); + return run; +} + +static VOID config_add_entry(Config *config, ConfigEntry *entry) { + if ((config->entry_count & 15) == 0) { + UINTN i; + + i = config->entry_count + 16; + if (config->entry_count == 0) + config->entries = AllocatePool(sizeof(VOID *) * i); + else + config->entries = ReallocatePool(config->entries, + sizeof(VOID *) * config->entry_count, sizeof(VOID *) * i); + } + config->entries[config->entry_count++] = entry; +} + +static VOID config_entry_free(ConfigEntry *entry) { + if (!entry) + return; + + FreePool(entry->id); + FreePool(entry->title_show); + FreePool(entry->title); + FreePool(entry->version); + FreePool(entry->machine_id); + FreePool(entry->loader); + FreePool(entry->options); + FreePool(entry->path); + FreePool(entry->current_name); + FreePool(entry->next_name); + FreePool(entry); +} + +static BOOLEAN is_digit(CHAR16 c) { + return (c >= '0') && (c <= '9'); +} + +static UINTN c_order(CHAR16 c) { + if (c == '\0') + return 0; + if (is_digit(c)) + return 0; + else if ((c >= 'a') && (c <= 'z')) + return c; + else + return c + 0x10000; +} + +static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2) { + CHAR16 *os1 = s1; + CHAR16 *os2 = s2; + + while (*s1 || *s2) { + INTN first; + + while ((*s1 && !is_digit(*s1)) || (*s2 && !is_digit(*s2))) { + INTN order; + + order = c_order(*s1) - c_order(*s2); + if (order != 0) + return order; + s1++; + s2++; + } + + while (*s1 == '0') + s1++; + while (*s2 == '0') + s2++; + + first = 0; + while (is_digit(*s1) && is_digit(*s2)) { + if (first == 0) + first = *s1 - *s2; + s1++; + s2++; + } + + if (is_digit(*s1)) + return 1; + if (is_digit(*s2)) + return -1; + + if (first != 0) + return first; + } + + return StrCmp(os1, os2); +} + +static CHAR8 *line_get_key_value( + CHAR8 *content, + CHAR8 *sep, + UINTN *pos, + CHAR8 **key_ret, + CHAR8 **value_ret) { + + CHAR8 *line; + UINTN linelen; + CHAR8 *value; + +skip: + line = content + *pos; + if (*line == '\0') + return NULL; + + linelen = 0; + while (line[linelen] && !strchra((CHAR8 *)"\n\r", line[linelen])) + linelen++; + + /* move pos to next line */ + *pos += linelen; + if (content[*pos]) + (*pos)++; + + /* empty line */ + if (linelen == 0) + goto skip; + + /* terminate line */ + line[linelen] = '\0'; + + /* remove leading whitespace */ + while (strchra((CHAR8 *)" \t", *line)) { + line++; + linelen--; + } + + /* remove trailing whitespace */ + while (linelen > 0 && strchra((CHAR8 *)" \t", line[linelen-1])) + linelen--; + line[linelen] = '\0'; + + if (*line == '#') + goto skip; + + /* split key/value */ + value = line; + while (*value && !strchra(sep, *value)) + value++; + if (*value == '\0') + goto skip; + *value = '\0'; + value++; + while (*value && strchra(sep, *value)) + value++; + + /* unquote */ + if (value[0] == '"' && line[linelen-1] == '"') { + value++; + line[linelen-1] = '\0'; + } + + *key_ret = line; + *value_ret = value; + return line; +} + +static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) { + CHAR8 *line; + UINTN pos = 0; + CHAR8 *key, *value; + + while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) { + if (strcmpa((CHAR8 *)"timeout", key) == 0) { + _cleanup_freepool_ CHAR16 *s = NULL; + + s = stra_to_str(value); + config->timeout_sec_config = Atoi(s); + config->timeout_sec = config->timeout_sec_config; + continue; + } + + if (strcmpa((CHAR8 *)"default", key) == 0) { + FreePool(config->entry_default_pattern); + config->entry_default_pattern = stra_to_str(value); + StrLwr(config->entry_default_pattern); + continue; + } + + if (strcmpa((CHAR8 *)"editor", key) == 0) { + BOOLEAN on; + + if (EFI_ERROR(parse_boolean(value, &on))) + continue; + config->editor = on; + } + + if (strcmpa((CHAR8 *)"auto-entries", key) == 0) { + BOOLEAN on; + + if (EFI_ERROR(parse_boolean(value, &on))) + continue; + config->auto_entries = on; + } + + if (strcmpa((CHAR8 *)"auto-firmware", key) == 0) { + BOOLEAN on; + + if (EFI_ERROR(parse_boolean(value, &on))) + continue; + config->auto_firmware = on; + } + + if (strcmpa((CHAR8 *)"console-mode", key) == 0) { + if (strcmpa((CHAR8 *)"auto", value) == 0) + config->console_mode_change = CONSOLE_MODE_AUTO; + else if (strcmpa((CHAR8 *)"max", value) == 0) + config->console_mode_change = CONSOLE_MODE_MAX; + else if (strcmpa((CHAR8 *)"keep", value) == 0) + config->console_mode_change = CONSOLE_MODE_KEEP; + else { + _cleanup_freepool_ CHAR16 *s = NULL; + + s = stra_to_str(value); + config->console_mode = Atoi(s); + config->console_mode_change = CONSOLE_MODE_SET; + } + + continue; + } + } +} + +static VOID config_entry_parse_tries( + ConfigEntry *entry, + CHAR16 *path, + CHAR16 *file, + CHAR16 *suffix) { + + UINTN left = (UINTN) -1, done = (UINTN) -1, factor = 1, i, next_left, next_done; + _cleanup_freepool_ CHAR16 *prefix = NULL; + + /* + * Parses a suffix of two counters (one going down, one going up) in the form "+LEFT-DONE" from the end of the + * filename (but before the .efi/.conf suffix), where the "-DONE" part is optional and may be left out (in + * which case that counter as assumed to be zero, i.e. the missing part is synonymous to "-0"). + * + * Names we grok, and the series they result in: + * + * foobar+3.efi → foobar+2-1.efi → foobar+1-2.efi → foobar+0-3.efi → STOP! + * foobar+4-0.efi → foobar+3-1.efi → foobar+2-2.efi → foobar+1-3.efi → foobar+0-4.efi → STOP! + */ + + i = StrLen(file); + + /* Chop off any suffix such as ".conf" or ".efi" */ + if (suffix) { + UINTN suffix_length; + + suffix_length = StrLen(suffix); + if (i < suffix_length) + return; + + i -= suffix_length; + } + + /* Go backwards through the string and parse everything we encounter */ + for (;;) { + if (i == 0) + return; + + i--; + + switch (file[i]) { + + case '+': + if (left == (UINTN) -1) /* didn't read at least one digit for 'left'? */ + return; + + if (done == (UINTN) -1) /* no 'done' counter? If so, it's equivalent to 0 */ + done = 0; + + goto good; + + case '-': + if (left == (UINTN) -1) /* didn't parse any digit yet? */ + return; + + if (done != (UINTN) -1) /* already encountered a dash earlier? */ + return; + + /* So we encountered a dash. This means this counter is of the form +LEFT-DONE. Let's assign + * what we already parsed to 'done', and start fresh for the 'left' part. */ + + done = left; + left = (UINTN) -1; + factor = 1; + break; + + case '0'...'9': { + UINTN new_factor; + + if (left == (UINTN) -1) + left = file[i] - '0'; + else { + UINTN new_left, digit; + + digit = file[i] - '0'; + if (digit > (UINTN) -1 / factor) /* overflow check */ + return; + + new_left = left + digit * factor; + if (new_left < left) /* overflow check */ + return; + + if (new_left == (UINTN) -1) /* don't allow us to be confused */ + return; + } + + new_factor = factor * 10; + if (new_factor < factor) /* overflow chck */ + return; + + factor = new_factor; + break; + } + + default: + return; + } + } + +good: + entry->tries_left = left; + entry->tries_done = done; + + entry->path = StrDuplicate(path); + entry->current_name = StrDuplicate(file); + + next_left = left <= 0 ? 0 : left - 1; + next_done = done >= (UINTN) -2 ? (UINTN) -2 : done + 1; + + prefix = StrDuplicate(file); + prefix[i] = 0; + + entry->next_name = PoolPrint(L"%s+%u-%u%s", prefix, next_left, next_done, suffix ?: L""); +} + +static VOID config_entry_bump_counters( + ConfigEntry *entry, + EFI_FILE_HANDLE root_dir) { + + _cleanup_freepool_ CHAR16* old_path = NULL, *new_path = NULL; + _cleanup_(FileHandleClosep) EFI_FILE_HANDLE handle = NULL; + static EFI_GUID EfiFileInfoGuid = EFI_FILE_INFO_ID; + _cleanup_freepool_ EFI_FILE_INFO *file_info = NULL; + UINTN file_info_size, a, b; + EFI_STATUS r; + + if (entry->tries_left == (UINTN) -1) + return; + + if (!entry->path || !entry->current_name || !entry->next_name) + return; + + old_path = PoolPrint(L"%s\\%s", entry->path, entry->current_name); + + r = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, old_path, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0ULL); + if (EFI_ERROR(r)) + return; + + a = StrLen(entry->current_name); + b = StrLen(entry->next_name); + + file_info_size = OFFSETOF(EFI_FILE_INFO, FileName) + (a > b ? a : b) + 1; + + for (;;) { + file_info = AllocatePool(file_info_size); + + r = uefi_call_wrapper(handle->GetInfo, 4, handle, &EfiFileInfoGuid, &file_info_size, file_info); + if (!EFI_ERROR(r)) + break; + + if (r != EFI_BUFFER_TOO_SMALL || file_info_size * 2 < file_info_size) { + Print(L"\nFailed to get file info for '%s': %r\n", old_path, r); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return; + } + + file_info_size *= 2; + FreePool(file_info); + } + + /* And rename the file */ + StrCpy(file_info->FileName, entry->next_name); + r = uefi_call_wrapper(handle->SetInfo, 4, handle, &EfiFileInfoGuid, file_info_size, file_info); + if (EFI_ERROR(r)) { + Print(L"\nFailed to rename '%s' to '%s', ignoring: %r\n", old_path, entry->next_name, r); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return; + } + + /* Flush everything to disk, just in case… */ + (void) uefi_call_wrapper(handle->Flush, 1, handle); + + /* Let's tell the OS that we renamed this file, so that it knows what to rename to the counter-less name on + * success */ + new_path = PoolPrint(L"%s\\%s", entry->path, entry->next_name); + efivar_set(L"LoaderBootCountPath", new_path, FALSE); + + /* If the file we just renamed is the loader path, then let's update that. */ + if (StrCmp(entry->loader, old_path) == 0) { + FreePool(entry->loader); + entry->loader = new_path; + new_path = NULL; + } +} + +static VOID config_entry_add_from_file( + Config *config, + EFI_HANDLE *device, + CHAR16 *path, + CHAR16 *file, + CHAR8 *content, + CHAR16 *loaded_image_path) { + + ConfigEntry *entry; + CHAR8 *line; + UINTN pos = 0; + CHAR8 *key, *value; + UINTN len; + _cleanup_freepool_ CHAR16 *initrd = NULL; + + entry = AllocatePool(sizeof(ConfigEntry)); + + *entry = (ConfigEntry) { + .tries_done = (UINTN) -1, + .tries_left = (UINTN) -1, + }; + + while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) { + if (strcmpa((CHAR8 *)"title", key) == 0) { + FreePool(entry->title); + entry->title = stra_to_str(value); + continue; + } + + if (strcmpa((CHAR8 *)"version", key) == 0) { + FreePool(entry->version); + entry->version = stra_to_str(value); + continue; + } + + if (strcmpa((CHAR8 *)"machine-id", key) == 0) { + FreePool(entry->machine_id); + entry->machine_id = stra_to_str(value); + continue; + } + + if (strcmpa((CHAR8 *)"linux", key) == 0) { + FreePool(entry->loader); + entry->type = LOADER_LINUX; + entry->loader = stra_to_path(value); + entry->key = 'l'; + continue; + } + + if (strcmpa((CHAR8 *)"efi", key) == 0) { + entry->type = LOADER_EFI; + FreePool(entry->loader); + entry->loader = stra_to_path(value); + + /* do not add an entry for ourselves */ + if (StriCmp(entry->loader, loaded_image_path) == 0) { + entry->type = LOADER_UNDEFINED; + break; + } + continue; + } + + if (strcmpa((CHAR8 *)"architecture", key) == 0) { + /* do not add an entry for an EFI image of architecture not matching with that of the image */ + if (strcmpa((CHAR8 *)EFI_MACHINE_TYPE_NAME, value) != 0) { + entry->type = LOADER_UNDEFINED; + break; + } + continue; + } + + if (strcmpa((CHAR8 *)"initrd", key) == 0) { + _cleanup_freepool_ CHAR16 *new = NULL; + + new = stra_to_path(value); + if (initrd) { + CHAR16 *s; + + s = PoolPrint(L"%s initrd=%s", initrd, new); + FreePool(initrd); + initrd = s; + } else + initrd = PoolPrint(L"initrd=%s", new); + + continue; + } + + if (strcmpa((CHAR8 *)"options", key) == 0) { + _cleanup_freepool_ CHAR16 *new = NULL; + + new = stra_to_str(value); + if (entry->options) { + CHAR16 *s; + + s = PoolPrint(L"%s %s", entry->options, new); + FreePool(entry->options); + entry->options = s; + } else { + entry->options = new; + new = NULL; + } + + continue; + } + } + + if (entry->type == LOADER_UNDEFINED) { + config_entry_free(entry); + return; + } + + /* add initrd= to options */ + if (entry->type == LOADER_LINUX && initrd) { + if (entry->options) { + CHAR16 *s; + + s = PoolPrint(L"%s %s", initrd, entry->options); + FreePool(entry->options); + entry->options = s; + } else { + entry->options = initrd; + initrd = NULL; + } + } + + entry->device = device; + entry->id = StrDuplicate(file); + len = StrLen(entry->id); + /* remove ".conf" */ + if (len > 5) + entry->id[len - 5] = '\0'; + StrLwr(entry->id); + + config_add_entry(config, entry); + + config_entry_parse_tries(entry, path, file, L".conf"); +} + +static VOID config_load_defaults(Config *config, EFI_FILE *root_dir) { + _cleanup_freepool_ CHAR8 *content = NULL; + UINTN sec; + EFI_STATUS err; + + *config = (Config) { + .editor = TRUE, + .auto_entries = TRUE, + .auto_firmware = TRUE, + }; + + err = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content, NULL); + if (!EFI_ERROR(err)) + config_defaults_load_from_file(config, content); + + err = efivar_get_int(L"LoaderConfigTimeout", &sec); + if (!EFI_ERROR(err)) { + config->timeout_sec_efivar = sec > INTN_MAX ? INTN_MAX : sec; + config->timeout_sec = sec; + } else + config->timeout_sec_efivar = -1; + + err = efivar_get_int(L"LoaderConfigTimeoutOneShot", &sec); + if (!EFI_ERROR(err)) { + /* Unset variable now, after all it's "one shot". */ + (void) efivar_set(L"LoaderConfigTimeoutOneShot", NULL, TRUE); + + config->timeout_sec = sec; + config->force_menu = TRUE; /* force the menu when this is set */ + } +} + +static VOID config_load_entries( + Config *config, + EFI_HANDLE *device, + EFI_FILE *root_dir, + CHAR16 *loaded_image_path) { + + EFI_FILE_HANDLE entries_dir; + EFI_STATUS err; + + err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &entries_dir, L"\\loader\\entries", EFI_FILE_MODE_READ, 0ULL); + if (!EFI_ERROR(err)) { + for (;;) { + CHAR16 buf[256]; + UINTN bufsize; + EFI_FILE_INFO *f; + _cleanup_freepool_ CHAR8 *content = NULL; + UINTN len; + + bufsize = sizeof(buf); + err = uefi_call_wrapper(entries_dir->Read, 3, entries_dir, &bufsize, buf); + if (bufsize == 0 || EFI_ERROR(err)) + break; + + f = (EFI_FILE_INFO *) buf; + if (f->FileName[0] == '.') + continue; + if (f->Attribute & EFI_FILE_DIRECTORY) + continue; + + len = StrLen(f->FileName); + if (len < 6) + continue; + if (StriCmp(f->FileName + len - 5, L".conf") != 0) + continue; + if (StrnCmp(f->FileName, L"auto-", 5) == 0) + continue; + + err = file_read(entries_dir, f->FileName, 0, 0, &content, NULL); + if (!EFI_ERROR(err)) + config_entry_add_from_file(config, device, L"\\loader\\entries", f->FileName, content, loaded_image_path); + } + uefi_call_wrapper(entries_dir->Close, 1, entries_dir); + } +} + +static INTN config_entry_compare(ConfigEntry *a, ConfigEntry *b) { + INTN r; + + /* Order entries that have no tries left to the end of the list */ + if (a->tries_left != 0 && b->tries_left == 0) + return -1; + if (a->tries_left == 0 && b->tries_left != 0) + return 1; + + r = str_verscmp(a->id, b->id); + if (r != 0) + return r; + + if (a->tries_left == (UINTN) -1 || + b->tries_left == (UINTN) -1) + return 0; + + /* If both items have boot counting, and otherwise are identical, put the entry with more tries left first */ + if (a->tries_left > b->tries_left) + return -1; + if (a->tries_left < b->tries_left) + return 1; + + /* If they have the same number of tries left, then let the one win which was tried fewer times so far */ + if (a->tries_done < b->tries_done) + return -1; + if (a->tries_done > b->tries_done) + return 1; + + return 0; +} + +static VOID config_sort_entries(Config *config) { + UINTN i; + + for (i = 1; i < config->entry_count; i++) { + BOOLEAN more; + UINTN k; + + more = FALSE; + for (k = 0; k < config->entry_count - i; k++) { + ConfigEntry *entry; + + if (config_entry_compare(config->entries[k], config->entries[k+1]) <= 0) + continue; + + entry = config->entries[k]; + config->entries[k] = config->entries[k+1]; + config->entries[k+1] = entry; + more = TRUE; + } + if (!more) + break; + } +} + +static INTN config_entry_find(Config *config, CHAR16 *id) { + UINTN i; + + for (i = 0; i < config->entry_count; i++) + if (StrCmp(config->entries[i]->id, id) == 0) + return (INTN) i; + + return -1; +} + +static VOID config_default_entry_select(Config *config) { + _cleanup_freepool_ CHAR16 *entry_oneshot = NULL, *entry_default = NULL; + EFI_STATUS err; + INTN i; + + /* + * The EFI variable to specify a boot entry for the next, and only the + * next reboot. The variable is always cleared directly after it is read. + */ + err = efivar_get(L"LoaderEntryOneShot", &entry_oneshot); + if (!EFI_ERROR(err)) { + + config->entry_oneshot = StrDuplicate(entry_oneshot); + efivar_set(L"LoaderEntryOneShot", NULL, TRUE); + + i = config_entry_find(config, entry_oneshot); + if (i >= 0) { + config->idx_default = i; + return; + } + } + + /* + * The EFI variable to select the default boot entry overrides the + * configured pattern. The variable can be set and cleared by pressing + * the 'd' key in the loader selection menu, the entry is marked with + * an '*'. + */ + err = efivar_get(L"LoaderEntryDefault", &entry_default); + if (!EFI_ERROR(err)) { + + i = config_entry_find(config, entry_default); + if (i >= 0) { + config->idx_default = i; + config->idx_default_efivar = i; + return; + } + } + config->idx_default_efivar = -1; + + if (config->entry_count == 0) + return; + + /* + * Match the pattern from the end of the list to the start, find last + * entry (largest number) matching the given pattern. + */ + if (config->entry_default_pattern) { + i = config->entry_count; + while (i--) { + if (config->entries[i]->no_autoselect) + continue; + if (MetaiMatch(config->entries[i]->id, config->entry_default_pattern)) { + config->idx_default = i; + return; + } + } + } + + /* select the last suitable entry */ + i = config->entry_count; + while (i--) { + if (config->entries[i]->no_autoselect) + continue; + config->idx_default = i; + return; + } + + /* no entry found */ + config->idx_default = -1; +} + +static BOOLEAN find_nonunique(ConfigEntry **entries, UINTN entry_count) { + BOOLEAN non_unique = FALSE; + UINTN i, k; + + for (i = 0; i < entry_count; i++) + entries[i]->non_unique = FALSE; + + for (i = 0; i < entry_count; i++) + for (k = 0; k < entry_count; k++) { + if (i == k) + continue; + if (StrCmp(entries[i]->title_show, entries[k]->title_show) != 0) + continue; + + non_unique = entries[i]->non_unique = entries[k]->non_unique = TRUE; + } + + return non_unique; +} + +/* generate a unique title, avoiding non-distinguishable menu entries */ +static VOID config_title_generate(Config *config) { + UINTN i; + + /* set title */ + for (i = 0; i < config->entry_count; i++) { + CHAR16 *title; + + FreePool(config->entries[i]->title_show); + title = config->entries[i]->title; + if (!title) + title = config->entries[i]->id; + config->entries[i]->title_show = StrDuplicate(title); + } + + if (!find_nonunique(config->entries, config->entry_count)) + return; + + /* add version to non-unique titles */ + for (i = 0; i < config->entry_count; i++) { + CHAR16 *s; + + if (!config->entries[i]->non_unique) + continue; + if (!config->entries[i]->version) + continue; + + s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->version); + FreePool(config->entries[i]->title_show); + config->entries[i]->title_show = s; + } + + if (!find_nonunique(config->entries, config->entry_count)) + return; + + /* add machine-id to non-unique titles */ + for (i = 0; i < config->entry_count; i++) { + CHAR16 *s; + _cleanup_freepool_ CHAR16 *m = NULL; + + if (!config->entries[i]->non_unique) + continue; + if (!config->entries[i]->machine_id) + continue; + + m = StrDuplicate(config->entries[i]->machine_id); + m[8] = '\0'; + s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, m); + FreePool(config->entries[i]->title_show); + config->entries[i]->title_show = s; + } + + if (!find_nonunique(config->entries, config->entry_count)) + return; + + /* add file name to non-unique titles */ + for (i = 0; i < config->entry_count; i++) { + CHAR16 *s; + + if (!config->entries[i]->non_unique) + continue; + s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->id); + FreePool(config->entries[i]->title_show); + config->entries[i]->title_show = s; + config->entries[i]->non_unique = FALSE; + } +} + +static BOOLEAN config_entry_add_call( + Config *config, + CHAR16 *id, + CHAR16 *title, + EFI_STATUS (*call)(VOID)) { + + ConfigEntry *entry; + + entry = AllocatePool(sizeof(ConfigEntry)); + *entry = (ConfigEntry) { + .id = StrDuplicate(id), + .title = StrDuplicate(title), + .call = call, + .no_autoselect = TRUE, + .tries_done = (UINTN) -1, + .tries_left = (UINTN) -1, + }; + + config_add_entry(config, entry); + return TRUE; +} + +static ConfigEntry *config_entry_add_loader( + Config *config, + EFI_HANDLE *device, + enum loader_type type, + CHAR16 *id, + CHAR16 key, + CHAR16 *title, + CHAR16 *loader) { + + ConfigEntry *entry; + + entry = AllocatePool(sizeof(ConfigEntry)); + *entry = (ConfigEntry) { + .type = type, + .title = StrDuplicate(title), + .device = device, + .loader = StrDuplicate(loader), + .id = StrDuplicate(id), + .key = key, + .tries_done = (UINTN) -1, + .tries_left = (UINTN) -1, + }; + + StrLwr(entry->id); + + config_add_entry(config, entry); + return entry; +} + +static BOOLEAN config_entry_add_loader_auto( + Config *config, + EFI_HANDLE *device, + EFI_FILE *root_dir, + CHAR16 *loaded_image_path, + CHAR16 *id, + CHAR16 key, + CHAR16 *title, + CHAR16 *loader) { + + EFI_FILE_HANDLE handle; + ConfigEntry *entry; + EFI_STATUS err; + + if (!config->auto_entries) + return FALSE; + + /* do not add an entry for ourselves */ + if (loaded_image_path) { + UINTN len; + _cleanup_freepool_ CHAR8 *content = NULL; + + if (StriCmp(loader, loaded_image_path) == 0) + return FALSE; + + /* look for systemd-boot magic string */ + err = file_read(root_dir, loader, 0, 100*1024, &content, &len); + if (!EFI_ERROR(err)) { + CHAR8 *start = content; + CHAR8 *last = content + len - sizeof(magic) - 1; + + for (; start <= last; start++) + if (start[0] == magic[0] && CompareMem(start, magic, sizeof(magic) - 1) == 0) + return FALSE; + } + } + + /* check existence */ + err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, loader, EFI_FILE_MODE_READ, 0ULL); + if (EFI_ERROR(err)) + return FALSE; + uefi_call_wrapper(handle->Close, 1, handle); + + entry = config_entry_add_loader(config, device, LOADER_UNDEFINED, id, key, title, loader); + if (!entry) + return FALSE; + + /* do not boot right away into auto-detected entries */ + entry->no_autoselect = TRUE; + + return TRUE; +} + +static VOID config_entry_add_osx(Config *config) { + EFI_STATUS err; + UINTN handle_count = 0; + _cleanup_freepool_ EFI_HANDLE *handles = NULL; + + if (!config->auto_entries) + return; + + err = LibLocateHandle(ByProtocol, &FileSystemProtocol, NULL, &handle_count, &handles); + if (!EFI_ERROR(err)) { + UINTN i; + + for (i = 0; i < handle_count; i++) { + EFI_FILE *root; + BOOLEAN found; + + root = LibOpenRoot(handles[i]); + if (!root) + continue; + found = config_entry_add_loader_auto(config, handles[i], root, NULL, L"auto-osx", 'a', L"macOS", + L"\\System\\Library\\CoreServices\\boot.efi"); + uefi_call_wrapper(root->Close, 1, root); + if (found) + break; + } + } +} + +static VOID config_entry_add_linux( + Config *config, + EFI_LOADED_IMAGE *loaded_image, + EFI_FILE *root_dir) { + + EFI_FILE_HANDLE linux_dir; + EFI_STATUS err; + ConfigEntry *entry; + + err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL); + if (EFI_ERROR(err)) + return; + + for (;;) { + CHAR16 buf[256]; + UINTN bufsize = sizeof buf; + EFI_FILE_INFO *f; + CHAR8 *sections[] = { + (UINT8 *)".osrel", + (UINT8 *)".cmdline", + NULL + }; + UINTN offs[ELEMENTSOF(sections)-1] = {}; + UINTN szs[ELEMENTSOF(sections)-1] = {}; + UINTN addrs[ELEMENTSOF(sections)-1] = {}; + CHAR8 *content = NULL; + UINTN len; + CHAR8 *line; + UINTN pos = 0; + CHAR8 *key, *value; + CHAR16 *os_name = NULL; + CHAR16 *os_id = NULL; + CHAR16 *os_version = NULL; + CHAR16 *os_build = NULL; + + err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf); + if (bufsize == 0 || EFI_ERROR(err)) + break; + + f = (EFI_FILE_INFO *) buf; + if (f->FileName[0] == '.') + continue; + if (f->Attribute & EFI_FILE_DIRECTORY) + continue; + len = StrLen(f->FileName); + if (len < 5) + continue; + if (StriCmp(f->FileName + len - 4, L".efi") != 0) + continue; + + /* look for .osrel and .cmdline sections in the .efi binary */ + err = pe_file_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs); + if (EFI_ERROR(err)) + continue; + + err = file_read(linux_dir, f->FileName, offs[0], szs[0], &content, NULL); + if (EFI_ERROR(err)) + continue; + + /* read properties from the embedded os-release file */ + while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) { + if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) { + FreePool(os_name); + os_name = stra_to_str(value); + continue; + } + + if (strcmpa((CHAR8 *)"ID", key) == 0) { + FreePool(os_id); + os_id = stra_to_str(value); + continue; + } + + if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) { + FreePool(os_version); + os_version = stra_to_str(value); + continue; + } + + if (strcmpa((CHAR8 *)"BUILD_ID", key) == 0) { + FreePool(os_build); + os_build = stra_to_str(value); + continue; + } + } + + if (os_name && os_id && (os_version || os_build)) { + _cleanup_freepool_ CHAR16 *conf = NULL, *path = NULL; + + conf = PoolPrint(L"%s-%s", os_id, os_version ? : os_build); + path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName); + + entry = config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path); + + FreePool(content); + content = NULL; + + /* read the embedded cmdline file */ + err = file_read(linux_dir, f->FileName, offs[1], szs[1], &content, NULL); + if (!EFI_ERROR(err)) { + + /* chomp the newline */ + if (content[szs[1]-1] == '\n') + content[szs[1]-1] = '\0'; + + entry->options = stra_to_str(content); + } + + config_entry_parse_tries(entry, L"\\EFI\\Linux", f->FileName, L".efi"); + } + + FreePool(os_name); + FreePool(os_id); + FreePool(os_version); + FreePool(os_build); + FreePool(content); + } + + uefi_call_wrapper(linux_dir->Close, 1, linux_dir); +} + +static EFI_STATUS image_start( + EFI_HANDLE parent_image, + const Config *config, + const ConfigEntry *entry) { + + EFI_HANDLE image; + _cleanup_freepool_ EFI_DEVICE_PATH *path = NULL; + CHAR16 *options; + EFI_STATUS err; + + path = FileDevicePath(entry->device, entry->loader); + if (!path) { + Print(L"Error getting device path."); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return EFI_INVALID_PARAMETER; + } + + err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, parent_image, path, NULL, 0, &image); + if (EFI_ERROR(err)) { + Print(L"Error loading %s: %r", entry->loader, err); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return err; + } + + if (config->options_edit) + options = config->options_edit; + else if (entry->options) + options = entry->options; + else + options = NULL; + if (options) { + EFI_LOADED_IMAGE *loaded_image; + + err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image, + parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL); + if (EFI_ERROR(err)) { + Print(L"Error getting LoadedImageProtocol handle: %r", err); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + goto out_unload; + } + loaded_image->LoadOptions = options; + loaded_image->LoadOptionsSize = (StrLen(loaded_image->LoadOptions)+1) * sizeof(CHAR16); + +#if ENABLE_TPM + /* Try to log any options to the TPM, especially to catch manually edited options */ + err = tpm_log_event(SD_TPM_PCR, + (EFI_PHYSICAL_ADDRESS) (UINTN) loaded_image->LoadOptions, + loaded_image->LoadOptionsSize, loaded_image->LoadOptions); + if (EFI_ERROR(err)) { + Print(L"Unable to add image options measurement: %r", err); + uefi_call_wrapper(BS->Stall, 1, 200 * 1000); + } +#endif + } + + efivar_set_time_usec(L"LoaderTimeExecUSec", 0); + err = uefi_call_wrapper(BS->StartImage, 3, image, NULL, NULL); +out_unload: + uefi_call_wrapper(BS->UnloadImage, 1, image); + return err; +} + +static EFI_STATUS reboot_into_firmware(VOID) { + _cleanup_freepool_ CHAR8 *b = NULL; + UINTN size; + UINT64 osind; + EFI_STATUS err; + + osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI; + + err = efivar_get_raw(&global_guid, L"OsIndications", &b, &size); + if (!EFI_ERROR(err)) + osind |= (UINT64)*b; + + err = efivar_set_raw(&global_guid, L"OsIndications", &osind, sizeof(UINT64), TRUE); + if (EFI_ERROR(err)) + return err; + + err = uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL); + Print(L"Error calling ResetSystem: %r", err); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return err; +} + +static VOID config_free(Config *config) { + UINTN i; + + for (i = 0; i < config->entry_count; i++) + config_entry_free(config->entries[i]); + FreePool(config->entries); + FreePool(config->entry_default_pattern); + FreePool(config->options_edit); + FreePool(config->entry_oneshot); +} + +static VOID config_write_entries_to_variable(Config *config) { + _cleanup_freepool_ CHAR16 *buffer = NULL; + UINTN i, sz = 0; + CHAR16 *p; + + for (i = 0; i < config->entry_count; i++) + sz += StrLen(config->entries[i]->id) + 1; + + p = buffer = AllocatePool(sz * sizeof(CHAR16)); + + for (i = 0; i < config->entry_count; i++) { + UINTN l; + + l = StrLen(config->entries[i]->id) + 1; + CopyMem(p, config->entries[i]->id, l * sizeof(CHAR16)); + + p += l; + } + + /* Store the full list of discovered entries. */ + (void) efivar_set_raw(&loader_guid, L"LoaderEntries", buffer, (UINT8*) p - (UINT8*) buffer, FALSE); +} + +EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { + static const UINT64 loader_features = + (1ULL << 0) | /* I honour the LoaderConfigTimeout variable */ + (1ULL << 1) | /* I honour the LoaderConfigTimeoutOneShot variable */ + (1ULL << 2) | /* I honour the LoaderEntryDefault variable */ + (1ULL << 3) | /* I honour the LoaderEntryOneShot variable */ + (1ULL << 4) | /* I support boot counting */ + 0; + + _cleanup_freepool_ CHAR16 *infostr = NULL, *typestr = NULL; + CHAR8 *b; + UINTN size; + EFI_LOADED_IMAGE *loaded_image; + EFI_FILE *root_dir; + CHAR16 *loaded_image_path; + EFI_STATUS err; + Config config; + UINT64 init_usec; + BOOLEAN menu = FALSE; + CHAR16 uuid[37]; + + InitializeLib(image, sys_table); + init_usec = time_usec(); + efivar_set_time_usec(L"LoaderTimeInitUSec", init_usec); + efivar_set(L"LoaderInfo", L"systemd-boot " GIT_VERSION, FALSE); + + infostr = PoolPrint(L"%s %d.%02d", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff); + efivar_set(L"LoaderFirmwareInfo", infostr, FALSE); + + typestr = PoolPrint(L"UEFI %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff); + efivar_set(L"LoaderFirmwareType", typestr, FALSE); + + (void) efivar_set_raw(&loader_guid, L"LoaderFeatures", &loader_features, sizeof(loader_features), FALSE); + + err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image, + image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL); + if (EFI_ERROR(err)) { + Print(L"Error getting a LoadedImageProtocol handle: %r ", err); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return err; + } + + /* export the device path this image is started from */ + if (disk_get_part_uuid(loaded_image->DeviceHandle, uuid) == EFI_SUCCESS) + efivar_set(L"LoaderDevicePartUUID", uuid, FALSE); + + root_dir = LibOpenRoot(loaded_image->DeviceHandle); + if (!root_dir) { + Print(L"Unable to open root directory: %r ", err); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return EFI_LOAD_ERROR; + } + + if (secure_boot_enabled() && shim_loaded()) { + err = security_policy_install(); + if (EFI_ERROR(err)) { + Print(L"Error installing security policy: %r ", err); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + return err; + } + } + + /* the filesystem path to this image, to prevent adding ourselves to the menu */ + loaded_image_path = DevicePathToStr(loaded_image->FilePath); + efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE); + + config_load_defaults(&config, root_dir); + + /* scan /EFI/Linux/ directory */ + config_entry_add_linux(&config, loaded_image, root_dir); + + /* scan /loader/entries/\*.conf files */ + config_load_entries(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path); + + /* sort entries after version number */ + config_sort_entries(&config); + + /* if we find some well-known loaders, add them to the end of the list */ + config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, NULL, + L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi"); + config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, NULL, + L"auto-efi-shell", 's', L"EFI Shell", L"\\shell" EFI_MACHINE_TYPE_NAME ".efi"); + config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path, + L"auto-efi-default", '\0', L"EFI Default Loader", L"\\EFI\\Boot\\boot" EFI_MACHINE_TYPE_NAME ".efi"); + config_entry_add_osx(&config); + + if (config.auto_firmware && efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) { + UINT64 osind = (UINT64)*b; + + if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) + config_entry_add_call(&config, L"auto-reboot-to-firmware-setup", L"Reboot Into Firmware Interface", reboot_into_firmware); + FreePool(b); + } + + if (config.entry_count == 0) { + Print(L"No loader found. Configuration files in \\loader\\entries\\*.conf are needed."); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + goto out; + } + + config_write_entries_to_variable(&config); + + config_title_generate(&config); + + /* select entry by configured pattern or EFI LoaderDefaultEntry= variable */ + config_default_entry_select(&config); + + /* if no configured entry to select from was found, enable the menu */ + if (config.idx_default == -1) { + config.idx_default = 0; + if (config.timeout_sec == 0) + config.timeout_sec = 10; + } + + /* select entry or show menu when key is pressed or timeout is set */ + if (config.force_menu || config.timeout_sec > 0) + menu = TRUE; + else { + UINT64 key; + + err = console_key_read(&key, FALSE); + if (!EFI_ERROR(err)) { + INT16 idx; + + /* find matching key in config entries */ + idx = entry_lookup_key(&config, config.idx_default, KEYCHAR(key)); + if (idx >= 0) + config.idx_default = idx; + else + menu = TRUE; + } + } + + for (;;) { + ConfigEntry *entry; + + entry = config.entries[config.idx_default]; + if (menu) { + efivar_set_time_usec(L"LoaderTimeMenuUSec", 0); + uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x10000, 0, NULL); + if (!menu_run(&config, &entry, loaded_image_path)) + break; + } + + /* run special entry like "reboot" */ + if (entry->call) { + entry->call(); + continue; + } + + config_entry_bump_counters(entry, root_dir); + + /* export the selected boot entry to the system */ + efivar_set(L"LoaderEntrySelected", entry->id, FALSE); + + uefi_call_wrapper(BS->SetWatchdogTimer, 4, 5 * 60, 0x10000, 0, NULL); + err = image_start(image, &config, entry); + if (EFI_ERROR(err)) { + graphics_mode(FALSE); + Print(L"\nFailed to execute %s (%s): %r\n", entry->title, entry->loader, err); + uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); + goto out; + } + + menu = TRUE; + config.timeout_sec = 0; + } + err = EFI_SUCCESS; +out: + FreePool(loaded_image_path); + config_free(&config); + uefi_call_wrapper(root_dir->Close, 1, root_dir); + uefi_call_wrapper(BS->CloseProtocol, 4, image, &LoadedImageProtocol, image, NULL); + return err; +} -- cgit v1.2.3