diff options
Diffstat (limited to 'gnu/packages/patches/grub-setup-root.patch')
| -rw-r--r-- | gnu/packages/patches/grub-setup-root.patch | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/gnu/packages/patches/grub-setup-root.patch b/gnu/packages/patches/grub-setup-root.patch new file mode 100644 index 0000000000..1abe9c383a --- /dev/null +++ b/gnu/packages/patches/grub-setup-root.patch @@ -0,0 +1,124 @@ +This patch is taken from OpenWrt, see: + +https://github.com/openwrt/openwrt/blob/master/package/boot/grub2/patches/100-grub_setup_root.patch. + +It allows to use grub-bios-setup on a raw disk-images, without root permissions. + +--- a/util/grub-setup.c ++++ b/util/grub-setup.c +@@ -87,6 +87,8 @@ 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 +@@ -130,6 +132,7 @@ struct arguments + char *core_file; + char *dir; + char *dev_map; ++ char *root_dev; + int force; + int fs_probe; + int allow_floppy; +@@ -178,6 +181,13 @@ 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; +@@ -313,7 +323,7 @@ main (int argc, char *argv[]) + GRUB_SETUP_FUNC (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, + arguments.add_rs_codes); + +--- a/util/setup.c ++++ b/util/setup.c +@@ -252,13 +252,12 @@ identify_partmap (grub_disk_t disk __att + void + SETUP (const char *dir, + const char *boot_file, const char *core_file, +- const char *dest, int force, ++ char *root, const char *dest, int force, + int fs_probe, int allow_floppy, + int add_rs_codes __attribute__ ((unused))) /* unused on sparc64 */ + { + char *core_path; + char *boot_img, *core_img, *boot_path; +- char *root = 0; + size_t boot_size, core_size; + grub_uint16_t core_sectors; + grub_device_t root_dev = 0, dest_dev, core_dev; +@@ -307,7 +306,10 @@ 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; +@@ -320,6 +322,8 @@ 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; +--- a/include/grub/util/install.h ++++ b/include/grub/util/install.h +@@ -191,13 +191,13 @@ grub_install_get_image_target (const cha + void + grub_util_bios_setup (const char *dir, + const char *boot_file, const char *core_file, +- const char *dest, int force, ++ char *root, const char *dest, int force, + int fs_probe, int allow_floppy, + int add_rs_codes); + void + grub_util_sparc_setup (const char *dir, + const char *boot_file, const char *core_file, +- const char *dest, int force, ++ char *root, const char *dest, int force, + int fs_probe, int allow_floppy, + int add_rs_codes); + +--- a/util/grub-install.c ++++ b/util/grub-install.c +@@ -1712,7 +1712,7 @@ main (int argc, char *argv[]) + /* Now perform the installation. */ + if (install_bootsector) + grub_util_bios_setup (platdir, "boot.img", "core.img", +- install_drive, force, ++ NULL, install_drive, force, + fs_probe, allow_floppy, add_rs_codes); + break; + } +@@ -1738,7 +1738,7 @@ main (int argc, char *argv[]) + /* Now perform the installation. */ + if (install_bootsector) + grub_util_sparc_setup (platdir, "boot.img", "core.img", +- install_drive, force, ++ NULL, install_drive, force, + fs_probe, allow_floppy, + 0 /* unused */ ); + break; |