mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
78 lines
2.3 KiB
Diff
78 lines
2.3 KiB
Diff
--- a/util/grub-setup.c
|
|
+++ b/util/grub-setup.c
|
|
@@ -141,12 +141,11 @@ write_rootdev (char *core_img, grub_devi
|
|
static void
|
|
setup (const char *dir,
|
|
const char *boot_file, const char *core_file,
|
|
- const char *dest, int force,
|
|
+ const char *root, const char *dest, int force,
|
|
int fs_probe, int allow_floppy)
|
|
{
|
|
char *boot_path, *core_path, *core_path_dev, *core_path_dev_full;
|
|
char *boot_img, *core_img;
|
|
- char *root = 0;
|
|
size_t boot_size, core_size;
|
|
grub_uint16_t core_sectors;
|
|
grub_device_t root_dev = 0, dest_dev, core_dev;
|
|
@@ -253,7 +252,10 @@ setup (const char *dir,
|
|
|
|
core_dev = dest_dev;
|
|
|
|
- {
|
|
+ if (root)
|
|
+ root_dev = grub_device_open(root);
|
|
+
|
|
+ if (!root_dev) {
|
|
char **root_devices = grub_guess_root_devices (dir);
|
|
char **cur;
|
|
int found = 0;
|
|
@@ -263,6 +265,8 @@ setup (const char *dir,
|
|
char *drive;
|
|
grub_device_t try_dev;
|
|
|
|
+ if (root_dev)
|
|
+ break;
|
|
drive = grub_util_get_grub_dev (*cur);
|
|
if (!drive)
|
|
continue;
|
|
@@ -956,6 +960,8 @@ static struct argp_option options[] = {
|
|
N_("install even if problems are detected"), 0},
|
|
{"skip-fs-probe",'s',0, 0,
|
|
N_("do not probe for filesystems in DEVICE"), 0},
|
|
+ {"root-device", 'r', N_("DEVICE"), 0,
|
|
+ N_("use DEVICE as the root device"), 0},
|
|
{"verbose", 'v', 0, 0, N_("print verbose messages."), 0},
|
|
{"allow-floppy", 'a', 0, 0,
|
|
/* TRANSLATORS: The potential breakage isn't limited to floppies but it's
|
|
@@ -993,6 +999,7 @@ struct arguments
|
|
char *core_file;
|
|
char *dir;
|
|
char *dev_map;
|
|
+ char *root_dev;
|
|
int force;
|
|
int fs_probe;
|
|
int allow_floppy;
|
|
@@ -1040,6 +1047,13 @@ argp_parser (int key, char *arg, struct
|
|
arguments->dev_map = xstrdup (arg);
|
|
break;
|
|
|
|
+ case 'r':
|
|
+ if (arguments->root_dev)
|
|
+ free (arguments->root_dev);
|
|
+
|
|
+ arguments->root_dev = xstrdup (arg);
|
|
+ break;
|
|
+
|
|
case 'f':
|
|
arguments->force = 1;
|
|
break;
|
|
@@ -1172,7 +1186,7 @@ main (int argc, char *argv[])
|
|
setup (arguments.dir ? : DEFAULT_DIRECTORY,
|
|
arguments.boot_file ? : DEFAULT_BOOT_FILE,
|
|
arguments.core_file ? : DEFAULT_CORE_FILE,
|
|
- dest_dev, arguments.force,
|
|
+ arguments.root_dev, dest_dev, arguments.force,
|
|
arguments.fs_probe, arguments.allow_floppy);
|
|
|
|
/* Free resources. */
|