Remove -Werror which causes build to fail on some systems
* conf/i386-pc.rmk (xnu_mod_CFLAGS): Remove -Werror -Wall
* conf/i386-efi.rmk (xnu_mod_CFLAGS): Likewise
* conf/x86_64-efi.rmk (xnu_mod_CFLAGS): Likewise
trampoline for linux on 64-bit platform
* conf/x86_64-efi.rmk (linux_mod_SOURCES): added
loader/i386/efi/linux_trampoline.S
* include/grub/x86_64/efi/loader.h (grub_linux_real_boot): removed
declration
* kern/x86_64/efi/startup.S (grub_linux_real_boot): moved from here
* loader/i386/linux_trampoline.S: moved here
* loader/i386/efi/linux.c (allocate_pages): reserve space for trampoline
(jumpvector): removed
(grub_linux_trampoline_start): new declaration
(grub_linux_trampoline_end): likewise
(grub_linux_boot): use trampoline when on 64-bit platform
* loader/i386/linux.c: likewise
* script/lua/grub_lib.c (grub_lua_getenv): Make name and value
const to avoid a warning.
(grub_lua_setenv): Likewise.
* script/lua/grub_main.c (grub_lua_parse_line): Use size_t for
lmsg to fix a warning.
(setjmp_mod_ASFLAGS): ... this. Set to $(COMMON_ASFLAGS).
* conf/powerpc-ieee1275.rmk (setjmp_mod_CFLAGS): Rename to ...
(setjmp_mod_ASFLAGS): ... this. Set to $(COMMON_ASFLAGS).
* conf/sparc64-ieee1275.rmk (setjmp_mod_CFLAGS): Rename to ...
(setjmp_mod_ASFLAGS): ... this. Set to $(COMMON_ASFLAGS).
* include/grub/kernel.h (grub_module_header_types): Add type
OBJ_TYPE_CONFIG.
* kern/main.c (grub_load_config): New function.
(grub_main): Call grub_load_config to read boot config.
* grub-mkimage (generate_image): New parameter config_path.
(options): New option --config.
(main): Parse --config option, and pass it to generate_image.
* loader/i386/linux.c (allocate_pages): When assigning
real_mode_mem, cast through grub_size_t to fix a warning. The
code already makes sure that the value would fit a pointer.
(grub_linux_setup_video): Cast render_target->data to
grub_size_t to fix a warning.
* fs/cpio.c: Use the same name "struct head" for tar and cpio to
facilitate code reuse.
(grub_cpio_mount): Use "struct head", not a char buffer. This
fixes a warning reported by gcc 4.4.
* kernel/disk.c (grub_disk_read): Use void pointer for the
buffer.
(grub_disk_write): Use const void pointer for the buffer.
Adjust all callers. Remove unnecessary casts.
* disk/raid6_recover.c (grub_raid6_recover): Fix warnings about
uninitialized err[0] and err[1]. Rename them to bad1 and bad2.
Initialize them with -1. Add sanity check for bad1. Eliminate
nerr variable.
(grub_ofdisk_open): Use it to un-escape "," characters.
* kern/disk.c (find_part_sep): New.
(grub_disk_open): Use it to find the first non-escaped ','
character in the disk name.
* util/ieee1275/devicemap.c (escape_of_path): New.
(grub_util_emit_devicemap_entry): Use it.
* util/sparc64/ieee1275/grub-install.in: Update script to
strip partition specifiers properly by not triggering on
'\' escaped ',' characters.
* include/grub/i386/linux.h (GRUB_LINUX_VID_MODE_VESA_START): Set
to 0x300.
* loader/i386/linux.c (vga_modes, linux_vesafb_res): Add a few
resolutions.
(linux_vesafb_modes): Add a lot of additional modes to the list (based
on documentation from Wikipedia).
* loader/i386/linux.c (GRUB_ASSUME_LINUX_HAS_FB_SUPPORT): New macro.
(grub_linux_boot): Don't check for `linux_vesafb_modes' bounds (this
is done by grub_cmd_linux() now).
[! GRUB_ASSUME_LINUX_HAS_FB_SUPPORT]: If "vga=" parameter wasn't set,
restore video to text mode.
(grub_cmd_linux): Default `vid_mode' initialization to 0, which
indicates lack of "vga=" parameter. "vga=0" is mapped to
`GRUB_LINUX_VID_MODE_NORMAL'.
* util/misc.c (grub_util_warn): New function. Emmits a warning
unconditionally.
* include/grub/util/misc.h (grub_util_warn): New declaration.
* util/i386/pc/grub-install.in: Understand --force and pass it down
to grub-setup.
* util/i386/pc/grub-setup.c (main): Understand --force and pass it
down to setup().
(setup): Improve error messages and add warnings when requested to
install in odd layouts. Refuse to install using blocklists unless
--force was set.
HFS+ UUID
* fs/hfsplus.c (grub_hfsplus_volheader): added num_serial field
in the space previously used by unused3
(grub_hfsplus_uuid): new function
(grub_hfsplus_fs): added uuid field
FreeBSD 64-bit support
* conf/i386-pc.rmk (bsd_mod_SOURCES): add loader/i386/bsd_helper.S
and loader/i386/bsd_trampoline.S
(bsd_mod_ASFLAGS): new variable
* include/grub/i386/bsd.h (FREEBSD_MODINFOMD_SMAP): new definition
(FREEBSD_MODTYPE_KERNEL64): likewise
(grub_bsd64_trampoline_start): likewise
(grub_bsd64_trampoline_end): likewise
(grub_bsd64_trampoline_selfjump): likewise
(grub_bsd64_trampoline_gdt): likewise
* include/grub/i386/loader.h (grub_unix_real_boot): moved from here ...
* include/grub/i386/bsd.h (grub_unix_real_boot): ... moved here
* kern/i386/loader.S (grub_unix_real_boot): moved from here ...
* loader/i386/bsd_helper.S (grub_unix_real_boot): moved here
* include/grub/gpt_partition.h (grub_gpt_partentry): Corrected the type
of "attrib" member
* loader/i386/bsd_pagetable.c: new file
* loader/i386/bsd_trampoline.S: likewise
* loader/i386/bsd.c (ALIGN_QWORD): new macro
(ALIGN_VAR): likewise
(entry_hi): new variable
(kern_end_mdofs): likewise
(is_64bit): likewise
(grub_freebsd_add_meta): use ALIGN_VAR
(grub_e820_mmap): new declaration
(grub_freebsd_add_mmap): new function
(grub_freebsd_add_meta_module): support 64 bit kernels
(grub_freebsd_list_modules): use ALIGN_VAR
(gdt_descriptor): new declaration
(grub_freebsd_boot): support 64 bit kernels
(grub_bsd_elf64_hook): new function
(grub_bsd_load_elf): support elf64
* Makefile.in (enable_efiemu): New variable.
* conf/i386-pc.rmk: Only compile efiemu runtimes when enable_efiemu is
set.
(efiemu32.o): Use macro $< for source file, add $(srcdir) to include
path.
(efi64_c.o): Use macro $< for source file, add $(srcdir) to include
path, add -mno-red-zone option.
(efiemu64_s.o): Likewise.
(efiemu64.o): Use macro $^ for source file.
* configure.ac (--enable-efiemu): New option.
Missing part from mmap patch
* mmap/efi/mmap.c (grub_machine_mmap_unregister): renamed to
(grub_mmap_unregister)
(grub_mmap_free_and_unregister): use grub_mmap_register
* conf/common.rmk (grub_script.tab.c): Change normal/parser.y to
script/sh/parser.y.
(pkglib_MODULES): Add normal.mod and sh.mod.
(normal_SOURCES): New variable.
(normal_mod_CFLAGS): Likewise.
(normal_mod_LDFLAGS): Likewise.
(sh_mod_SOURCES): Likewise.
(sh_mod_CFLAGS): Likewise.
(sh_mod_LDFLAGS): Likewise.
* conf/i386-pc.rmk (normal/lexer.c_DEPENDENCIES): Changed to
script/sh/lexer.c_DEPENDENCIES.
(kernel_img_SOURCES): Remove kern/rescue.c, and kern/reader.c,
kern/rescue_reader.c and kern/rescue_parser.c.
(kernel_img_HEADERS): Remove rescue.h, add reader.h.
(grub_emu_SOURCES): Change source files.
(pkglib_MODULES): Remove normal.mod.
(normal_SOURCES): Removed.
(normal_mod_CFLAGS): Likewise.
(normal_mod_LDFLAGS): Likewise.
* conf/i386-coreboot.rmk: Likewise.
* conf/i386-efi.rmk: Likewise.
* conf/i386-ieee1276.rmk: Likewise.
* conf/powerpc-ieee1275.rmk: Likewise.
* conf/sparc64-ieee1275.rmk: Likewise.
* conf/x86_64-efi.rmk: Likewise.
* include/grub/command.h (grub_command_execute): New inline function.
* include/grub/menu.h (grub_menu_entry): Removed commands field.
* include/grub/normal.h: Remove <grub/setjmp.h>.
(grub_fs_module_list): Moved to normal/autofs.c.
(grub_exit_env): Removed.
(grub_command_execute): Likewise.
(grub_normal_menu_addentry): Renamed to grub_menu_addentry, removed
parameter script.
(read_command_list): New function declaration.
(read_fs_list): Likewise.
* include/parser.h: Include <grub/reader.h>.
(grub_parser_split_cmdline): Change type of getline parameter.
(grub_parser): New structure.
(grub_parser_class): New variable.
(grub_parser_execute): New function declaration.
(grub_register_rescue_parser): Likewise.
(grub_parser_register): New inline function.
(grub_parser_unregister): Likewise.
(grub_parser_get_current): Likewise.
(grub_parser_set_current): Likewise.
* include/grub/reader.h: New file.
* kern/reader.c: Likewise.
* kern/rescue_parser.c: Likewise.
* kern/rescue_reader.c: Likewise.
* normal/autofs.c: Likewise.
* normal/dyncmd.c: Likewise.
* include/grub/rescue.h: Removed.
* normal/command.h: Likewise.
* include/grub/script.h: Moved to ...
* include/grub/script_sh.h: ... Moved here.
* normal/execute.c: Moved to ...
* script/sh/execute.c: ... Moved here.
* normal/function.c: Moved to ...
* script/sh/function.c: ... Moved here.
* normal/lexer.c: Moved to ...
* script/sh/lexer.c: ... Moved here.
* normal/parser.y: Moved to ...
* script/sh/parser.y: ... Moved here.
* normal/script.c: Moved to ...
* script/sh/script.c: ... Moved here.
* normal/main.c: Remove <grub/rescue.h> and <grub/script.h>, include
<grub/reader.h>.
(grub_exit_env): Removed.
(fs_module_list): Moved to normal/autofs.c.
(grub_file_getline): Don't handle comment here.
(free_menu): Skip removed field entry->commands.
(grub_normal_menu_addentry): Removed as grub_menu_entry, removed
script parameter.
(read_config_file): Removed nested parameter, change getline function.
(grub_enter_normal_mode): Removed.
(grub_dyncmd_dispatcher): Moved to normal/dyncmd.c.
(read_command_list): Likewise.
(autoload_fs_module): Moved to normal/autofs.c.
(read_fs_list): Likewise.
(reader_nested): New variable.
(grub_normal_execute): Run parser.sh to switch to sh parser.
(grub_cmd_rescue): Removed.
(cmd_normal): Removed.
(grub_cmd_normal): Unregister itself at the beginning. Don't register
rescue command.
(grub_cmdline_run): New function.
(grub_normal_reader_init): Likewise.
(grub_normal_read_line): Likewise.
(grub_env_write_pager): Likewise.
(cmdline): New variable.
(grub_normal_reader): Likewise.
(GRUB_MOD_INIT): Register normal reader and set as current, register
pager hook, register normal command with grub_register_command_prio,
so that it won't show up in command.lst.
(GRUB_MOD_FINI): Unregister normal reader, unhook pager, clear
grub_fs_autoload_hook.
* normal/menu.c: Remove <grub/script.h>, add <grub/command.h>.
(grub_menu_execute_entry): Replace grub_script_execute with
grub_parser_execute, change parameter to grub_command_execute.
* normal/menu_text.c: Remove <grub/script.h>.
* normal/menu_entry.c: Remove <grub/script.h>, add <grub/command.h>
and <grub/parser.h>.
(run): Change editor_getline to use new parser interface. Change
parameter to grub_command_execute.
* kern/main.c: Remove <grub/rescue.h>, include <grub/command.h>,
<grub/reader.h> and <grub/parser.h>.
(grub_load_normal_mode): Execute normal command.
(grub_main): Call grub_register_core_commands,
grub_register_rescue_parser and grub_register_rescue_reader, use
grub_reader_loop to enter input loop.
* kern/parser.c (grub_parser_spli_cmdline): Change type of getline
parameter.
(grub_parser_class): New variable.
(grub_parser_execute): New function.
* loader/i386/multiboot.c: Remove <grub/rescue.h>.
* loader/multiboot2.c: Likewise.
* loader/sparc64/ieee1275/linux.c: Likewise.
* util/grub-emu.c (read_command_list): New dummy function.
* normal/menu_text.c (grub_wait_after_message): Print a newline
after waiting for user input.
* loader/i386/linux.c: Include `<grub/normal.h>'.
(grub_cmd_linux): Improve the error message about `ask' mode, by
waiting for user input so it's not missed (we can do this, since
user requested interaction).
warnings.
* kern/ieee1275/openfw.c (grub_claimmap): Likewise.
* disk/ieee1275/ofdisk.c (grub_ofdisk_open, grub_ofdisk_close,
grub_ofdisk_read): Likewise, and deal similarly with the fact that
ihandles have a 32-bit type but need to be stored in a "void *".
* disk/fs_uuid.c (grub_fs_uuid_open): Use parent->data for dev,
not disk. Adjust all dependencies.
(grub_device_close): Use grub_device_close(), not
grub_disk_close().
Preboot hooks support
* commands/boot.c (struct grub_preboot_t): new declaration
(preboots_head): new variable
(preboots_tail): likewise
(grub_loader_register_preboot_hook): new function
(grub_loader_unregister_preboot_hook): likewise
(grub_loader_set): launch preboot hooks
* include/grub/loader.h (grub_loader_preboot_hook_prio_t): new type
(grub_loader_register_preboot_hook): new declaration
(grub_loader_unregister_preboot_hook): likewise
Parttool autoloading and improvements
* Makefile.in (pkglib_DATA): add parttool.lst
(parttool.lst): new target
* genmk.rb: generate parttool-*
(CLEANFILES): add #{parttool}
(PARTTOOLFILES): new variable
* genparttoollist.sh: new file
* parttool/pcpart.c (grub_pcpart_boot): more feedback
(grub_pcpart_type): likewise
* commands/parttool.c (helpmsg): new variable
(grub_cmd_parttool): output help if not enough arguments are supplied
autoload modules
(GRUB_MOD_INIT(parttool)): use helpmsg
grub_devalias_iterate() result instead of unconditional 0.
* disk/ieee1275/ofdisk.c (grub_ofdisk_iterate): Likewise.
Also, capture hook return value, either directly or via
grub_children_iterate(), and propagate to caller.
* include/grub/ieee1275/ieee1275.h (grub_devalias_iterate,
grub_children_iterate): Return value is now 'int' instead of
'grub_err_t'.
* kern/ieee1275/openfw.c (grub_children_iterate): Fix to behave
like a proper iterator, stopping when hooks return non-zero.
(grub_devalias_iterate): Likewise.
* util/sparc64/ieee1275/grub-setup.c: New file.
* util/sparc64/ieee1275/grub-ofpathname.c: New file.
* util/sparc64/ieee1275/grub-mkimage.c: New file.
* util/sparc64/ieee1275/grub-install.in: New file.
* util/ieee1275/ofpath.c: New file.
* util/ieee1275/devicemap.c: New file.
* util/devicemap.c: New file.
* util/deviceiter.c: New file.
* kern/sparc64/ieee1275/init.c: New file.
* include/grub/util/ofpath.h: New file.
* include/grub/util/deviceiter.h: New file.
* util/grub-mkdevicemap.c: Include deviceiter.h.
Implement using grub_util_emit_devicemap_entry and
grub_util_iterate_devices.
* conf/i386-corebook.rmk: Build util/deviceiter.c and
util/devicemap.c into grub-mkdevicemap
* conf/i386-efi.rmk: Likewise.
* conf/i386-ieee1275.rmk: Likewise.
* conf/i386-pc.rmk: Likewise.
* conf/powerpc-ieee1275.rmk: Likewise.
* conf/sparc64-ieee1275.rmk: Add rules to build boot block
images and installation utilities. Build kernel as image
instead of as elf binary. Use common rules as much as possible.
* include/grub/types.h: Rename ULONG_MAX to GRUB_ULONG_MAX and
LONG_MAX to GRUB_LONG_MAX. Introduce GRUB_LONG_MIN. Update all
users of ULONG_MAX, LONG_MAX and LONG_MIN to use the new
definitions.
* disk/lvm.c (grub_lvm_scan_device): Add `LVM' to the error messages,
that no multiple data or metadata areas are supported and `Unknown
metadata header'.
use grub_lltoa instead of grub_itoa and grub_ltoa for all purposes
* kern/misc.c (grub_itoa): Removed function
(grub_ltoa): likewise
(grub_vsprintf): use grub_lltoa
* util/hostdisk.c [__FreeBSD__ || __FreeBSD_kernel__]: Include
<sys/param.h> and <sys/sysctl.h>.
(open_device) [__FreeBSD__ || __FreeBSD_kernel_]: Use sysctlgetbyname()
to add 0x10 to `kern.geom.debugflags' if it's not already set, before
opening the device and reset them afterwards.
* util/grub.d/10_freebsd.in: Don't exit if /boot/devices.hints
doestn't exist. Check also for /boot/kernel/kernel.gz. Print
`freebsd_loadenv' only when devices.hints exist.
(OFDISK_HASH_SZ): Define.
(ofdisk_hash): New hash table.
(ofdisk_hash_fn, ofdisk_hash_find, ofdisk_hash_add): New functions.
(grub_ofdisk_open): Use ofdisk_hash_ent address as disk->id
instead of device phandle which is not unique.
* configure.ac: Change the logic when we check for target tools.
Do it when the target is specified and it's different from the
specified value of the host.
* util/hostdisk.c [__FreeBSD_kernel__]: Include sys/disk.h.
(grub_util_biosdisk_open) [__FreeBSD_kernel__]: Add support for
GNU/kFreeBSD. Check if a device is a character device. Use
DIOCGMEDIASIZE to get the size.
(convert_system_partition_to_system_disk) [__FreeBSD_kernel__]: Add
support for GNU/kFreeBSD.
(grub_util_biosdisk_get_grub_dev) [__FreeBSD_kernel__]: Check if OS_DEV
is a character device instead of a block device. Add support for
FreeBSD device names.
* util/getroot.c (find_root_device) [__FreeBSD_kernel__]: Check if ENT
is a character device instead of a block device.
* util/grub-probe.c (probe) [__FreeBSD_kernel__]: Check if DEVICE_NAME
is a character device instead of a block device.
* util/hostdisk.c [__FreeBSD__]: Include sys/disk.h.
(grub_util_biosdisk_open) [__FreeBSD__]: Add support for
FreeBSD. Check if a device is a character device. Use
DIOCGMEDIASIZE to get the size.
(convert_system_partition_to_system_disk) [__FreeBSD__]: Add
support for FreeBSD.
(grub_util_biosdisk_get_grub_dev) [__FreeBSD__]: Check if OS_DEV
is a character device instead of a block device. Add support for
FreeBSD device names.
* util/getroot.c (find_root_device) [__FreeBSD__]: Check if ENT is
a character device instead of a block device.
(grub_util_check_char_device): New function.
* util/grub-probe.c (probe) [__FreeBSD__]: Check if DEVICE_NAME is
a character device instead of a block device.
* include/grub/util/getroot.h (grub_util_check_char_device): New
prototype.
slots are of type grub_ieee1275_cell_t.
(grub_nand_read): Likewise.
* kern/ieee1275/ieee1275.c (IEEE1275_PHANDLE_INVALID,
IEEE1275_IHANDLE_INVALID): Use grub_ieee1275_cell_t since these
macros are used to compare values in arg/ret block of the call.
(grub_ieee1275_finddevice, grub_ieee1275_get_property,
grub_ieee1275_next_property, grub_ieee1275_get_property_length,
grub_ieee1275_instance_to_package, grub_ieee1275_package_to_path,
grub_ieee1275_instance_to_path, grub_ieee1275_write,
grub_ieee1275_read, grub_ieee1275_seek, grub_ieee1275_peer,
grub_ieee1275_child, grub_ieee1275_parent, grub_ieee1275_open,
grub_ieee1275_close, grub_ieee1275_set_property,
grub_ieee1275_set_color): All ieee1275 call arg slots are of type
grub_ieee1275_cell_t.
* kern/ieee1275/openfw.c (grub_map): Likewise.
* include/grub/ieee1275/ieee1275.h (grub_ieee1275_ihandle_t,
grub_ieee1275_phandle_t): Define as grub_unit32_t type.
UFS improvements
* fs/ufs.c (INODE_NBLOCKS): new definition
(struct grub_ufs_dirent): added fields for non-BSD dirents
(grub_ufs_get_file_block): fixed double indirect handling
(grub_ufs_lookup_symlink): use more robust way to determine whether
symlink is inline
(grub_ufs_find_file): support for non-BSD dirents
(grub_ufs_dir): support for non-BSD dirents
* include/grub/misc.h (ARRAY_SIZE): New macro.
* include/grub/i386/linux.h (GRUB_LINUX_VID_MODE_VESA_START):
New macro.
* loader/i386/linux.c (allocate_pages): Use free_pages().
(grub_linux_unload): Don't use free_pages().
(grub_linux_boot): Prevent accessing linux_vesafb_modes with a
wrong index. Treat all other modes as text modes.
(grub_cmd_linux): Initialize vid_mode unconditionally to
GRUB_LINUX_VID_MODE_NORMAL. Recognize and support "vga=ask".
Support for mtime and further expandability of dir command
* include/grub/lib/datetime.h: moved to ...
* include/grub/datetime.h: ... moved here and added
declaration of grub_unixtime2datetime. All users updated
* include/grub/fs.h: new syntax for dir and mtime functionin
struct grub_fs
* include/grub/fshelp.h: new declarations of GRUB_FSHELP_TYPE_MASK
and GRUB_FSHELP_FLAGS_MASK
* commands/ls.c (grub_ls_list_files): Write mtime in long format
* fs/ext2.c (grub_ext2_dir): use new dir syntax and supply mtime
(grub_ext2_mtime): new function
* fs/hfsplus.c (grub_hfsplus_dir): use new dir syntax and supply mtime
(grub_hfsplus_mtime): new function
* fs/ufs.c (GRUB_UFS_ATTR_TYPE): new definition
(GRUB_UFS_ATTR_FILE): likewise
(GRUB_UFS_ATTR_LNK): likewise
(struct grub_ufs_sblock): new fields mtime
(grub_ufs_read_inode): new parameter to read inode to a separate buffer
all users updated
(grub_ufs_dir): mtime support
(grub_ufs_mtime): new function
* fs/affs.c (grub_affs_dir): use new dir syntax
* fs/afs.c (grub_afs_dir): likewise
* fs/cpio.c (grub_cpio_dir): likewise
* fs/fat.c (grub_fat_find_dir): likewise
* fs/hfs.c (grub_hfs_dir): likewise
* fs/iso9660.c (grub_iso9660_dir): likewise
* fs/jfs.c (grub_jfs_dir): likewise
* fs/minix.c (grub_minix_dir): likewise
* fs/ntfs.c (grub_ntfs_dir): likewise
* fs/reiserfs.c (grub_reiserfs_dir): likewise
* fs/sfs.c (grub_sfs_dir): likewise
* fs/xfs.c (grub_xfs_dir): likewise
* util/hostfs.c (grub_hostfs_dir): likewise
* lib/datetime.c: moved to ...
* normal/datetime.c: ... moved here
(grub_unixtime2datetime): new function
* kern/rescue.c (grub_rescue_print_files): use new dir syntax
* normal/completition.c (iterate_dir): use new dir syntax
* normal/misc.c (grub_normal_print_device_info): tell the
last modification time of a volume
* kern/fs.c (grub_fs_probe): updated dummy function to use new syntax
* conf/common.rmk: added lib/datetime.c to ls.mod
* conf/i386-coreboot.rmk (grub_emu_SOURCES): add normal/datetime.c
(normal_mod_SOURCES): likewise
(datetime_mod_SOURCES): Removed lib/datetime.c
* conf/i386-efi.rmk: likewise
* conf/i386-ieee1275.rmk: likewise
* conf/i386-pc.rmk: likewise
* conf/powerpc-ieee1275.rmk: likewise
* conf/sparc64-ieee1275.rmk: likewise
* conf/x86_64-efi.rmk: likewise
Trim trailing spaces in FAT label and support mtools-like labels
* fs/fat.c (grub_fat_iterate_dir): New function based
on grub_fat_find_dir
(grub_fat_find_dir): use grub_fat_iterate_dir
(grub_fat_label): likewise
