diff options
Diffstat (limited to 'src/boot')
-rw-r--r-- | src/boot/bootctl.c | 8 | ||||
-rw-r--r-- | src/boot/efi/boot.c | 57 | ||||
-rw-r--r-- | src/boot/efi/disk.c | 51 | ||||
-rw-r--r-- | src/boot/efi/disk.h | 21 | ||||
-rw-r--r-- | src/boot/efi/stub.c | 6 |
5 files changed, 107 insertions, 36 deletions
diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c index 091ea375d3..359fde9998 100644 --- a/src/boot/bootctl.c +++ b/src/boot/bootctl.c @@ -489,9 +489,9 @@ static int copy_file(const char *from, const char *to, bool force) { } } while (!feof(f)); - fflush(g); - if (ferror(g)) { - r = log_error_errno(EIO, "Failed to write \"%s\": %m", to); + r = fflush_and_check(g); + if (r < 0) { + log_error_errno(r, "Failed to write \"%s\": %m", to); goto error; } @@ -519,7 +519,7 @@ static int copy_file(const char *from, const char *to, bool force) { return 0; error: - unlink(p); + (void) unlink(p); return r; } diff --git a/src/boot/efi/boot.c b/src/boot/efi/boot.c index e8cd8abd26..4ac193e22a 100644 --- a/src/boot/efi/boot.c +++ b/src/boot/efi/boot.c @@ -22,6 +22,7 @@ #include "console.h" #include "graphics.h" #include "pefile.h" +#include "disk.h" #include "linux.h" #ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI @@ -1139,13 +1140,11 @@ static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR1 config_add_entry(config, entry); } -static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path) { - EFI_FILE_HANDLE entries_dir; - EFI_STATUS err; +static VOID config_load_defaults(Config *config, EFI_FILE *root_dir) { CHAR8 *content = NULL; UINTN sec; UINTN len; - UINTN i; + EFI_STATUS err; len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content); if (len > 0) @@ -1158,6 +1157,11 @@ static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, config->timeout_sec = sec; } else config->timeout_sec_efivar = -1; +} + +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)) { @@ -1194,8 +1198,11 @@ static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, } uefi_call_wrapper(entries_dir->Close, 1, entries_dir); } +} + +static VOID config_sort_entries(Config *config) { + UINTN i; - /* sort entries after version number */ for (i = 1; i < config->entry_count; i++) { BOOLEAN more; UINTN k; @@ -1696,11 +1703,11 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { EFI_LOADED_IMAGE *loaded_image; EFI_FILE *root_dir; CHAR16 *loaded_image_path; - EFI_DEVICE_PATH *device_path; EFI_STATUS err; Config config; UINT64 init_usec; BOOLEAN menu = FALSE; + CHAR16 uuid[37]; InitializeLib(image, sys_table); init_usec = time_usec(); @@ -1722,29 +1729,8 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { } /* export the device path this image is started from */ - device_path = DevicePathFromHandle(loaded_image->DeviceHandle); - if (device_path) { - EFI_DEVICE_PATH *path, *paths; - - paths = UnpackDevicePath(device_path); - for (path = paths; !IsDevicePathEnd(path); path = NextDevicePathNode(path)) { - HARDDRIVE_DEVICE_PATH *drive; - CHAR16 uuid[37]; - - if (DevicePathType(path) != MEDIA_DEVICE_PATH) - continue; - if (DevicePathSubType(path) != MEDIA_HARDDRIVE_DP) - continue; - drive = (HARDDRIVE_DEVICE_PATH *)path; - if (drive->SignatureType != SIGNATURE_TYPE_GUID) - continue; - - GuidToString(uuid, (EFI_GUID *)&drive->Signature); - efivar_set(L"LoaderDevicePartUUID", uuid, FALSE); - break; - } - FreePool(paths); - } + 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) { @@ -1758,12 +1744,19 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { loaded_image_path = DevicePathToStr(loaded_image->FilePath); efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE); - /* scan "\loader\entries\*.conf" files */ ZeroMem(&config, sizeof(Config)); - config_load(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path); + config_load_defaults(&config, root_dir); - /* if we find some well-known loaders, add them to the end of the list */ + /* 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, loaded_image_path, 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, loaded_image_path, diff --git a/src/boot/efi/disk.c b/src/boot/efi/disk.c new file mode 100644 index 0000000000..96063fbc28 --- /dev/null +++ b/src/boot/efi/disk.c @@ -0,0 +1,51 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * Copyright (C) 2015 Kay Sievers <kay@vrfy.org> + */ + +#include <efi.h> +#include <efilib.h> + +#include "util.h" + +EFI_STATUS disk_get_part_uuid(EFI_HANDLE *handle, CHAR16 uuid[37]) { + EFI_DEVICE_PATH *device_path; + EFI_STATUS r = EFI_NOT_FOUND; + + /* export the device path this image is started from */ + device_path = DevicePathFromHandle(handle); + if (device_path) { + EFI_DEVICE_PATH *path, *paths; + + paths = UnpackDevicePath(device_path); + for (path = paths; !IsDevicePathEnd(path); path = NextDevicePathNode(path)) { + HARDDRIVE_DEVICE_PATH *drive; + + if (DevicePathType(path) != MEDIA_DEVICE_PATH) + continue; + if (DevicePathSubType(path) != MEDIA_HARDDRIVE_DP) + continue; + drive = (HARDDRIVE_DEVICE_PATH *)path; + if (drive->SignatureType != SIGNATURE_TYPE_GUID) + continue; + + GuidToString(uuid, (EFI_GUID *)&drive->Signature); + r = EFI_SUCCESS; + break; + } + FreePool(paths); + } + + return r; +} diff --git a/src/boot/efi/disk.h b/src/boot/efi/disk.h new file mode 100644 index 0000000000..1b25343a00 --- /dev/null +++ b/src/boot/efi/disk.h @@ -0,0 +1,21 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * Copyright (C) 2015 Kay Sievers <kay@vrfy.org> + */ + +#ifndef __SDBOOT_DISK_H +#define __SDBOOT_DISK_H + +EFI_STATUS disk_get_part_uuid(EFI_HANDLE *handle, CHAR16 uuid[37]); +#endif diff --git a/src/boot/efi/stub.c b/src/boot/efi/stub.c index 0b1bc491ed..0c5ee4e9ff 100644 --- a/src/boot/efi/stub.c +++ b/src/boot/efi/stub.c @@ -18,6 +18,7 @@ #include "util.h" #include "pefile.h" +#include "disk.h" #include "graphics.h" #include "splash.h" #include "linux.h" @@ -46,6 +47,7 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { UINTN szs[ELEMENTSOF(sections)-1] = {}; CHAR8 *cmdline = NULL; UINTN cmdline_len; + CHAR16 uuid[37]; EFI_STATUS err; InitializeLib(image, sys_table); @@ -99,6 +101,10 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { cmdline = line; } + /* 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); + if (szs[3] > 0) graphics_splash((UINT8 *)((UINTN)loaded_image->ImageBase + addrs[3]), szs[3], NULL); |