#include <sys/stat.h>
#include <sys/swap.h>
#include <sys/sysinfo.h>
+#include <sys/utsname.h>
#include <unistd.h>
#include <linux/fs.h>
exit(1);
}
+ // What architecture are we running on?
+ struct utsname uname_data;
+ int ret = uname(&uname_data);
+ if (ret == 0)
+ snprintf(hw->arch, sizeof(hw->arch), "%s", uname_data.machine);
+
// Detect if we are running in EFI mode
- int ret = access("/sys/firmware/efi", R_OK);
+ ret = access("/sys/firmware/efi", R_OK);
if (ret == 0)
hw->efi = 1;
}
}
- return mount(source, target, fs, flags, NULL);
+ int r = mount(source, target, fs, flags, NULL);
+
+ if (r) {
+ fprintf(stderr, "Error mounting %s to %s (fs = %s, flags = %d): %s\n",
+ source, target, fs, flags, strerror(r));
+ }
+
+ return r;
}
int hw_umount(const char* target) {
return 0;
}
-static int hw_calculate_partition_table(struct hw_destination* dest, int disable_swap) {
+static int hw_calculate_partition_table(struct hw* hw, struct hw_destination* dest, int disable_swap) {
char path[DEV_SIZE];
int part_idx = 1;
dest->size_boot = hw_boot_size(dest);
+ // Create an EFI partition when running in EFI mode
+ if (hw->efi)
+ dest->size_boot_efi = MB2BYTES(32);
+ else
+ dest->size_boot_efi = 0;
+
// Determine the size of the data partition.
unsigned long long space_left = dest->size - \
- (dest->size_bootldr + dest->size_boot);
+ (dest->size_bootldr + dest->size_boot + dest->size_boot_efi);
// If we have less than 2GB left, we disable swap
if (space_left <= MB2BYTES(2048))
} else
*dest->part_boot = '\0';
+ if (dest->size_boot_efi > 0) {
+ dest->part_boot_efi_idx = part_idx;
+
+ snprintf(dest->part_boot_efi, sizeof(dest->part_boot_efi),
+ "%s%d", path, part_idx++);
+ } else
+ *dest->part_boot_efi = '\0';
+
if (dest->size_swap > 0)
snprintf(dest->part_swap, sizeof(dest->part_swap), "%s%d", path, part_idx++);
else
return 0;
}
-struct hw_destination* hw_make_destination(int part_type, struct hw_disk** disks, int disable_swap) {
+struct hw_destination* hw_make_destination(struct hw* hw, int part_type, struct hw_disk** disks, int disable_swap) {
struct hw_destination* dest = malloc(sizeof(*dest));
if (part_type == HW_PART_TYPE_NORMAL) {
// Is this a RAID device?
dest->is_raid = (part_type > HW_PART_TYPE_NORMAL);
- int r = hw_calculate_partition_table(dest, disable_swap);
+ int r = hw_calculate_partition_table(hw, dest, disable_swap);
if (r)
return NULL;
part_start += dest->size_boot;
}
+ if (*dest->part_boot_efi) {
+ asprintf(&cmd, "%s mkpart %s fat32 %lluB %lluB", cmd,
+ (dest->part_table == HW_PART_TABLE_GPT) ? "ESP" : "primary",
+ part_start, part_start + dest->size_boot_efi - 1);
+
+ part_start += dest->size_boot_efi;
+ }
+
if (*dest->part_swap) {
asprintf(&cmd, "%s mkpart %s linux-swap %lluB %lluB", cmd,
(dest->part_table == HW_PART_TABLE_GPT) ? "SWAP" : "primary",
if (dest->part_boot_idx > 0)
asprintf(&cmd, "%s set %d boot on", cmd, dest->part_boot_idx);
+ if (dest->part_boot_efi_idx > 0)
+ asprintf(&cmd, "%s set %d esp on", cmd, dest->part_boot_efi_idx);
+
if (dest->part_table == HW_PART_TABLE_GPT) {
if (*dest->part_bootldr) {
asprintf(&cmd, "%s set %d bios_grub on", cmd, dest->part_boot_idx);
if (*dest->part_boot && (try_open(dest->part_boot) != 0))
continue;
+ if (*dest->part_boot_efi && (try_open(dest->part_boot_efi) != 0))
+ continue;
+
if (*dest->part_swap && (try_open(dest->part_swap) != 0))
continue;
// XFS
} else if (fs == HW_FS_XFS) {
snprintf(cmd, sizeof(cmd), "/sbin/mkfs.xfs -f %s", path);
+
+ // FAT32
+ } else if (fs == HW_FS_FAT32) {
+ snprintf(cmd, sizeof(cmd), "/sbin/mkfs.vfat %s", path);
}
assert(*cmd);
return r;
}
+ // ESP
+ if (*dest->part_boot_efi) {
+ r = hw_format_filesystem(dest->part_boot_efi, HW_FS_FAT32, output);
+ if (r)
+ return r;
+ }
+
// swap
if (*dest->part_swap) {
r = hw_format_filesystem(dest->part_swap, HW_FS_SWAP, output);
filesystem = "xfs";
break;
+ case HW_FS_FAT32:
+ filesystem = "vfat";
+ break;
+
default:
assert(0);
}
}
}
+ // ESP
+ if (*dest->part_boot_efi) {
+ snprintf(target, sizeof(target), "%s%s", prefix, HW_PATH_BOOT_EFI);
+ mkdir(target, S_IRWXU|S_IRWXG|S_IRWXO);
+
+ r = hw_mount(dest->part_boot_efi, target, "vfat", 0);
+ if (r) {
+ hw_umount_filesystems(dest, prefix);
+
+ return r;
+ }
+ }
+
// swap
if (*dest->part_swap) {
r = swapon(dest->part_swap, 0);
// Write all buffers to disk before umounting
hw_sync();
+ // ESP
+ if (*dest->part_boot_efi) {
+ snprintf(target, sizeof(target), "%s%s", prefix, HW_PATH_BOOT_EFI);
+ r = hw_umount(target);
+ if (r)
+ return -1;
+ }
+
// boot
if (*dest->part_boot) {
snprintf(target, sizeof(target), "%s%s", prefix, HW_PATH_BOOT);
return mysystem(output, "/sbin/mdadm --stop --scan --verbose");
}
-int hw_install_bootloader(struct hw_destination* dest, const char* output) {
+int hw_install_bootloader(struct hw* hw, struct hw_destination* dest, const char* output) {
char cmd[STRING_SIZE];
int r;
- // Generate configuration file
- snprintf(cmd, sizeof(cmd), "/usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg");
- r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
- if (r)
- return r;
-
char cmd_grub[STRING_SIZE];
- snprintf(cmd_grub, sizeof(cmd_grub), "/usr/sbin/grub-install --no-floppy --recheck");
+ snprintf(cmd_grub, sizeof(cmd_grub), "/usr/sbin/grub-install --target=i386-pc"
+ " --no-floppy --recheck");
if (dest->is_raid) {
snprintf(cmd, sizeof(cmd), "%s %s", cmd_grub, dest->disk1->path);
snprintf(cmd, sizeof(cmd), "%s %s", cmd_grub, dest->disk2->path);
r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
+ if (r)
+ return r;
} else {
snprintf(cmd, sizeof(cmd), "%s %s", cmd_grub, dest->path);
r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
+ if (r)
+ return r;
+ }
+
+ // Install GRUB in EFI mode
+ if (hw->efi) {
+ snprintf(cmd, sizeof(cmd), "/usr/sbin/grub-install"
+ " --target=%s-efi --efi-directory=%s", hw->arch, HW_PATH_BOOT_EFI);
+
+ r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
+ if (r)
+ return r;
}
+ // Generate configuration file
+ snprintf(cmd, sizeof(cmd), "/usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg");
+ r = system_chroot(output, DESTINATION_MOUNT_PATH, cmd);
+ if (r)
+ return r;
+
hw_sync();
- return r;
+ return 0;
}
static char* hw_get_uuid(const char* dev) {
}
}
+ // ESP
+ if (*dest->part_boot_efi) {
+ uuid = hw_get_uuid(dest->part_boot_efi);
+
+ if (uuid) {
+ fprintf(f, FSTAB_FMT, uuid, "/boot/efi", "auto", "defaults", 1, 2);
+ free(uuid);
+ }
+ }
+
+
// swap
if (*dest->part_swap) {
uuid = hw_get_uuid(dest->part_swap);
#define DEV_SIZE 128
#define HW_PATH_BOOT "/boot"
+#define HW_PATH_BOOT_EFI "/boot/efi"
#define HW_PATH_DATA "/var"
#define HW_PART_TYPE_NORMAL 0
#define HW_FS_EXT4 2
#define HW_FS_EXT4_WO_JOURNAL 3
#define HW_FS_XFS 4
+#define HW_FS_FAT32 5
#define HW_FS_DEFAULT HW_FS_EXT4
struct hw {
struct udev *udev;
+ char arch[STRING_SIZE];
int efi;
};
int part_table;
char part_bootldr[DEV_SIZE];
char part_boot[DEV_SIZE];
+ char part_boot_efi[DEV_SIZE];
char part_swap[DEV_SIZE];
char part_root[DEV_SIZE];
int part_boot_idx;
+ int part_boot_efi_idx;
int filesystem;
unsigned long long size;
unsigned long long size_bootldr;
unsigned long long size_boot;
+ unsigned long long size_boot_efi;
unsigned long long size_swap;
unsigned long long size_root;
};
struct hw_disk** hw_select_disks(struct hw_disk** disks, int* selection);
struct hw_disk** hw_select_first_disk(const struct hw_disk** disks);
-struct hw_destination* hw_make_destination(int part_type, struct hw_disk** disks,
+struct hw_destination* hw_make_destination(struct hw* hw, int part_type, struct hw_disk** disks,
int disable_swap);
unsigned long long hw_memory();
int hw_setup_raid(struct hw_destination* dest, const char* output);
int hw_stop_all_raid_arrays(const char* output);
-int hw_install_bootloader(struct hw_destination* dest, const char* output);
+int hw_install_bootloader(struct hw* hw, struct hw_destination* dest, const char* output);
int hw_write_fstab(struct hw_destination* dest);
char* hw_find_backup_file(const char* output, const char* search_path);