due to delayed attach.

* include/grub/usb.h (grub_usb_iterate_hook_t): New type.
(grub_usb_controller_iterate_hook_t): Likewise.
(grub_usb_iterate): Add hook_data argument.
(grub_usb_controller_iterate): Likewise.
(struct grub_usb_controller_dev.iterate): Likewise.

Update all implementations and callers.

	warning.

	guidelines.

	* grub-core/kern/dl.c (grub_dl_check_license): New function.
	(grub_dl_load_core): Use grub_dl_check_license.
	* include/grub/dl.h (GRUB_MOD_SECTION): New macro.
	(GRUB_MOD_LICENSE): Likewise.
	(GRUB_MOD_DUAL_LICENSE): Likewise.
	All modules updated.

	* commands/acpi.c: Gettextizze help strings and/or options. Include
	`grub/i18n.h' if needed.
	* commands/blocklist.c: Likewise.
	* commands/boot.c: Likewise.
	* commands/cat.c: Likewise.
	* commands/cmp.c: Likewise.
	* commands/configfile.c: Likewise.
	* commands/crc.c: Likewise.
	* commands/date.c: Likewise.
	* commands/echo.c: Likewise.
	* commands/efi/fixvideo.c: Likewise.
	* commands/efi/loadbios.c: Likewise.
	* commands/gptsync.c: Likewise.
	* commands/halt.c: Likewise.
	* commands/handler.c: Likewise.
	* commands/hdparm.c: Likewise.
	* commands/hexdump.c: Likewise.
	* commands/i386/cpuid.c: Likewise.
	* commands/i386/pc/drivemap.c: Likewise.
	* commands/i386/pc/halt.c: Likewise.
	* commands/i386/pc/pxecmd.c: Likewise.
	* commands/i386/pc/vbeinfo.c: Likewise.
	* commands/i386/pc/vbetest.c: Likewise.
	* commands/ieee1275/suspend.c: Likewise.
	* commands/keystatus.c: Likewise.
	* commands/loadenv.c: Likewise.
	* commands/ls.c: Likewise.
	* commands/lsmmap.c: Likewise.
	* commands/lspci.c: Likewise.
	* commands/memrw.c: Likewise.
	* commands/minicmd.c: Likewise.
	* commands/parttool.c: Likewise.
	* commands/password.c: Likewise.
	* commands/probe.c: Likewise.
	* commands/read.c: Likewise.
	* commands/reboot.c: Likewise.
	* commands/search.c: Likewise.
	* commands/sleep.c: Likewise.
	* commands/test.c: Likewise.
	* commands/true.c: Likewise.
	* commands/usbtest.c: Likewise.
	* commands/videotest.c: Likewise.
	* commands/xnu_uuid.c: Likewise.
	* disk/loopback.c: Likewise.
	* hello/hello.c: Likewise.
	* loader/i386/bsd.c: Likewise.
	* term/i386/pc/serial.c: Likewise.
	* po/POTFILES: Add new files.

 
	* commands/acpi.c (options): Fix capitalizations and/or full stops.
	(GRUB_MOD_INIT): Likewise.
	* commands/boot.c (GRUB_MOD_INIT): Likewise.
	* commands/cmp.c (grub_cmd_cmp): Likewise.
	* commands/echo.c (options): Likewise.
	* commands/efi/loadbios.c (enable_rom_area): Likewise.
	(enable_rom_area): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* commands/gptsync.c (GRUB_MOD_INIT): Likewise.
	* commands/halt.c (GRUB_MOD_INIT): Improve the help message.
	* commands/handler.c (GRUB_MOD_INIT): Likewise.
	* commands/hdparm.c (options): Fix capitalizations and/or full stops.
	* commands/hexdump.c (options): Likewise.
	* commands/i386/cpuid.c (options): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* commands/i386/pc/drivemap.c (options): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* commands/i386/pc/halt (options): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* commands/i386/pc/play.c (GRUB_MOD_INIT): Likewise.
	* commands/i386/pc/pxecmd.c (options): Likewise.
	* commands/i386/pc/vbetest.c (GRUB_MOD_INIT): Likewise.
	* commands/ieee1275/suspend.c (GRUB_MOD_INIT): Likewise.
	* commands/keystatus.c (options): Likewise.
	(GRUB_MOD_INIT): Likewise.
	* commands/loadenv.c (options): Likewise.
	* commands/ls.c (options): Likewise.
	* commands/lspci.c (GRUB_MOD_INIT): Likewise.
	* commands/memrw.c (GRUB_MOD_INIT): Likewise.
	* commands/minicmd.c (GRUB_MOD_INIT): Likewise.
	* commands/parttool.c (helpmsg): Likewise.
	* commands/probe.c (options): Likewise.
	* commands/read.c (GRUB_MOD_INIT): Likewise.
	* commands/reboot.c (GRUB_MOD_INIT): Likewise.
	* commands/search.c (options): Likewise.
	* commands/sleep.c (options): Likewise.
	* commands/test.c (GRUB_MOD_INIT): Likewise.
	* commands/true.c (GRUB_MOD_INIT): Likewise.
	* commands/usbtest.c (GRUB_MOD_INIT): Likewise.
	* commands/videotest.c (GRUB_MOD_INIT): Likewise.
	* lib/arg.c (help_options): Likewise.

	* disk/ata.c: Don't cast mod to void in GRUB_MOD_INIT to
	suppress warnings.  It's no longer needed.
	* disk/host.c: Likewise.
	* disk/ata_pthru.c: Likewise.
	* disk/loopback.c: Likewise.
	* hook/datehook.c: Likewise.
	* parttool/pcpart.c: Likewise.
	* fs/i386/pc/pxe.c: Likewise.
	* fs/ntfscomp.c: Likewise.
	* efiemu/main.c: Likewise.
	* mmap/mmap.c: Likewise.
	* commands/crc.c: Likewise.
	* commands/hexdump.c: Likewise.
	* commands/hdparm.c: Likewise.
	* commands/acpi.c: Likewise.
	* commands/echo.c: Likewise.
	* commands/minicmd.c: Likewise.
	* commands/blocklist.c: Likewise.
	* commands/memrw.c: Likewise.
	* commands/loadenv.c: Likewise.
	* commands/usbtest.c: Likewise.
	* commands/lsmmap.c: Likewise.
	* commands/boot.c: Likewise.
	* commands/parttool.c: Likewise.
	* commands/configfile.c: Likewise.
	* commands/search.c: Likewise.
	* commands/ieee1275/suspend.c: Likewise.
	* commands/cat.c: Likewise.
	* commands/i386/pc/pxecmd.c: Likewise.
	* commands/i386/pc/play.c: Likewise.
	* commands/i386/pc/halt.c: Likewise.
	* commands/i386/pc/vbeinfo.c: Likewise.
	* commands/i386/pc/vbetest.c: Likewise.
	* commands/lspci.c: Likewise.
	* commands/date.c: Likewise.
	* commands/handler.c: Likewise.
	* commands/ls.c: Likewise.
	* commands/test.c: Likewise.
	* commands/cmp.c: Likewise.
	* commands/efi/loadbios.c: Likewise.
	* commands/efi/fixvideo.c: Likewise.
	* commands/halt.c: Likewise.
	* commands/help.c: Likewise.
	* commands/reboot.c: Likewise.
	* hello/hello.c: Likewise.
	* script/sh/main.c: Likewise.
	* loader/xnu.c: Likewise.
	* term/terminfo.c: Likewise.
	* term/i386/pc/serial.c: Likewise.
	* term/usb_keyboard.c: Likewise.

	* commands/blocklist.c: Add include file <grub/command.h>, remove
	<grub/normal.h> and <grub/arg.h>.
	(grub_cmd_blocklist): Use the new command interface.
	(GRUB_MOD_INIT): Likewise.
	(GRUB_MOD_FINI): Likewise.
	* commands/boot.c: Likewise.
	* commands/cat.c: Likewise.
	* commands/cmp.c: Likewise.
	* commands/configfile.c: Likewise.
	* commands/crc.c: Likewise.
	* commands/echo.c: Likewise.
	* commands/halt.c: Likewise.
	* commands/handler.c: Likewise.
	* commands/hdparm.c: Likewise.
	* commands/help.c: Likewise.
	* commands/hexdump.c: Likewise.
	* commands/loadenv.c: Likewise.
	* commands/ls.c: Likewise.
	* commands/lsmmap.c: Likewise.
	* commands/lspci.c: Likewise.
	* commands/loadenv.c: Likewise.
	* commands/read.c: Likewise.
	* commands/reboot.c: Likewise.
	* commands/search.c: Likewise.
	* commands/sleep.c: Likewise.
	* commands/test.c: Likewise.
	* commands/usbtest.c: Likewise.
	* commands/videotest.c: Likewise.
	* commands/i386/cpuid.c: Likewise.
	* commands/i386/pc/halt.c: Likewise.
	* commands/i386/pc/play.c: Likewise.
	* commands/i386/pc/pxecmd.c: Likewise.
	* commands/i386/pc/vbeinfo.c: Likewise.
	* commands/i386/pc/vbetest.c: Likewise.
	* commands/ieee1275/suspend.c: Likewise.
	* disk/loopback.c: Likewise.
	* font/font_cmd.c: Likewise.
	* hello/hello.c: Likewise.
	* loader/efi/appleloader.c: Likewise.
	* loader/efi/chainloader.c: Likewise.
	* loader/i386/bsd.c: Likewise.
	* loader/i386/efi/linux.c: Likewise.
	* loader/i386/ieee1275/linux.c: Likewise.
	* loader/i386/linux.c: Likewise.
	* loader/i386/pc/chainloader.c: Likewise.
	* loader/i386/pc/linux.c: Likewise.
	* loader/powerpc/ieee1275/linux.c: Likewise.
	* loader/multiboot_loader.c: Likewise.
	* term/gfxterm.c: Likewise.
	* term/i386/pc/serial.c: Likewise.
	* term/terminfo.c: Likewise.

	* term/i386/pc/vesafb.c: Removed <grub/arg.h>.
	* term/i386/pc/vga.c: Likewise.
	* video/readers/jpeg.c: Likewise.
	* video/readers/png.c: Likewise.
	* video/readers/tga.c: Likewise.

	* util/grub-fstest (cmd_loopback): Removed.
	(cmd_blocklist): Likewise.
	(cmd_ls): Likewise.
	(grub_register_command): Likewise.
	(grub_unregister_command): Likewise.
	(execute_command): Use grub_command_find to locate command and execute
	it.

	* include/grub/efi/chainloader.h: Removed.
	* loader/efi/chainloader_normal.c: Likewise.
	* loader/i386/bsd_normal.c: Likewise.
	* loader/i386/pc/chainloader_normal.c: Likewise.
	* loader/i386/pc/multiboot_normal.c: Likewise.
	* loader/linux_normal.c: Likewise.
	* loader/multiboot_loader_normal.c: Likewise.
	* loader/powerpc/ieee1275/linux_normal.c: Likewise.

	* gencmdlist.sh: Scan new registration command grub_register_extcmd
	and grub_register_command_p1.

	* conf/common.rmk (grub_fstest_SOURCES): Add kern/list.c,
	kern/command.c, lib/arg.c and commands/extcmd.c.
	(pkglib_MODULES): Remove boot.mod, and minicmd.mod and extcmd.mod.
	(minicmd_mod_SOURCES): New variable.
	(minicmd_mod_CFLAGS): Likewise.
	(minicmd_mod_LDFLAGS): Likewise.
	(extcmd_mod_SOURCES): Likewise.
	(extcmd_mod_CFLAGS): Likewise.
	(extcmd_mod_LDFLAGS): Likewise.
	(boot_mod_SOURCES): Removed.
	(boot_mod_CFLAGS): Likewise.
	(boot_mod_LDFLAGS): Likewise.

	* conf/i386-pc.rmk (kernel_img_SOURCES): Add kern/command.c and
	kern/corecmd.c.
	(kernel_img_HEADERS): Add command.h.
	(grub_emu_SOURCES): Remove commands/boot.c and normal/arg.c, add
	commands/minicmd.c, kern/command.c, kern/corecmd.c, commands/extcmd.c
	and lib/arg.c.
	(pkglib_MODULES): Change _linux.mod, _chain.mod, _bsd.mod and
	_multiboot.mod as linux.mod, chain.mod, bsd.mod and multiboot.mod,
	remove the corresponding normal mode command.
	(normal_mod_SOURCES): Remove normal/arg.c.
	* conf/i386-coreboot.rmk: Likewise.
	* conf/i386-efi.rmk: Likewise.
	* conf/i386-ieee1275.rmk: Likewise.
	* conf/powerpc-ieee1275.rmk: Likewise.
	* conf/x86_64-efi.rmk: Likewise.

	* include/grub/arg.h: Move from here ...
	* include/grub/lib/arg.h: ... to here.

	* normal/arg.c: Move from here ...
	* lib/arg.c: ... to here.

	* commands/extcmd.c: New file.
	* commands/minicmd.c: Likewise.
	* include/grub/command.h: Likewise.
	* include/grub/extcmd.h: Likewise.
	* kern/command.c: Likewise.
	* kern/corecmd.c: Likewise.

	* kern/list.c (grub_list_iterate): Return int instead of void.
	(grub_list_insert): New function.
	(grub_prio_list_insert): Likewise.

	* kern/rescue.c (grub_rescue_command): Removed.
	(grub_rescue_command_list): Likewise.
	(grub_rescue_register_command): Likewise.
	(grub_rescue_unregister_command): Likewise.
	(grub_rescue_cmd_boot): Move to minicmd.c
	(grub_rescue_cmd_help): Likewise.
	(grub_rescue_cmd_info): Likewise.
	(grub_rescue_cmd_boot): Likewise.
	(grub_rescue_cmd_testload): Likewise.
	(grub_rescue_cmd_dump): Likewise.
	(grub_rescue_cmd_rmmod): Likewise.
	(grub_rescue_cmd_lsmod): Likewise.
	(grub_rescue_cmd_exit): Likewise.
	(grub_rescue_print_devices): Moved to corecmd.c.
	(grub_rescue_print_files): Likewise.
	(grub_rescue_cmd_ls): Likewise.
	(grub_rescue_cmd_insmod): Likewise.
	(grub_rescue_cmd_set): Likewise.
	(grub_rescue_cmd_unset): Likewise.
	(attemp_normal_mode): Use grub_command_find to get normal module.
	(grub_enter_rescue_mode): Use grub_register_core_commands to register
	commands, remove grub_rescue_regiter_command calls.

	* normal/command.c (grub_regiser_command): Removed.
	(grub_unregister_command): Likewise.
	(grub_command_find): Likewise.
	(grub_iterate_commands): Likewise.
	(rescue_command): Likewise.
	(export_command): Moved to corecmd.c.
	(set_command): Removed.
	(unset_command): Likewise.
	(insmod_command): Likewise.
	(rmmod_command): Likewise.
	(lsmod_command): Likewise.
	(grub_command_init): Likewise.

	* normal/completion.c (iterate_command): Use cmd->prio to check for
	active command.
	(complete_arguments): Use grub_extcmd_t structure to find options.
	(grub_normal_do_completion): Change function grub_iterate_commands to
	grub_command_iterate.

	* normal/execute.c (grub_script_execute_cmd): No need to parse
	argument here.

	* normal/main.c (grub_dyncmd_dispatcher): New function.
	(read_command_list): Register unload commands as dyncmd.
	(grub_cmd_normal): Use new command interface, register rescue,
	unregister normal at entry, register normal, unregister rescue at exit.

	* include/grub/list.h (grub_list_test_t): New type.
	(grub_list_iterate): Return int instead of void.
	(grub_list_insert): New function.
	(GRUB_AS_NAMED_LIST_P): New macro.
	(GRUB_AS_PRIO_LIST): Likewise.
	(GRUB_AS_PRIO_LIST_P): Likewise.
	(GRUB_PRIO_LIST_PRIO_MASK): New constant.
	(GRUB_PRIO_LIST_FLAG_ACTIVE): Likewise.
	(grub_prio_list): New structure.
	(grub_prio_list_insert): New function.
	(grub_prio_list_remove): New inline function.

	* include/grub/normal.h: Remove <grub/arg.h>, add <grub/command.h>.
	(GRUB_COMMAND_FLAG_CMDLINE): Moved to command.h.
	(GRUB_COMMAND_FLAG_MENU): Likewise.
	(GRUB_COMMAND_FLAG_BOTH): Likewise.
	(GRUB_COMMAND_FLAG_TITLE): Likewise.
	(GRUB_COMMAND_FLAG_NO_ECHO): Likewise.
	(GRUB_COMMAND_FLAG_NO_ARG_PARSE): Removed.
	(GRUB_COMMAND_FLAG_NOT_LOADED): Likewise.
	(grub_command): Likewise.
	(grub_register_command): Likewise.
	(grub_command_find): Likewise.
	(grub_iterate_commands): Likewise.
	(grub_command_init): Likewise.
	(grub_arg_parse): Likewise.
	(grub_arg_show_help): Likewise.

	* include/grub/rescue.h (grub_rescue_register_command): Removed.
	(grub_rescue_unregister_command): Likewise.

	* include/grub/i386/bsd.h: Remove grub_rescue_cmd_freebsd,
	grub_rescue_cmd_openbsd, grub_rescue_cmd_netbsd,
	grub_rescue_cmd_freebsd_loadenv and grub_rescue_cmd_freebsd_module.

	* include/grub/i386/efi/loader.h: Remove grub_rescue_cmd_linux and
	grub_rescue_cmd_initrd.
	* include/grub/i386/loader.h: Likewise.
	* include/grub/x86_64/loader.h: Likewise.

	* include/grub/i386/pc/chainloader.h: Remove grub_chainloader_cmd.

        * Makefile.in (enable_grub_emu_usb): New variable.
        * conf/i386-pc.rmk (grub_emu_SOURCES): Add `disk/scsi.c'.
        (grub_emu_SOURCES) [grub_emu_SOURCES]: Add `disk/usbms.c',
        `util/usb.c', `bus/usb/usb.c' and `commands/usbtest.c'.
        (grub_emu_LDFLAGS): Add `$(LIBUSB)'.
        (pkglib_MODULES): Add `usb.mod', `uhci.mod', `ohci.mod',
        `usbtest.mod' and `usbms.mod'.
        (usb_mod_SOURCES, usb_mod_CFLAGS, usb_mod_LDFLAGS)
        (usbtest_mod_SOURCES, usbtest_mod_CFLAGS, usbtest_mod_LDFLAGS)
        (uhci_mod_SOURCES, uhci_mod_CFLAGS, uhci_mod_LDFLAGS,
        (ohci_mod_SOURCES, ohci_mod_CFLAGS, ohci_mod_LDFLAGS)
        (usbms_mod_SOURCES, usbms_mod_CFLAGS, usbms_mod_LDFLAGS): New
        variables.

        * disk/usbms.c: New file.

        * include/grub/usb.h: Likewise.

        * include/grub/usbtrans.h: Likewise.

        * include/grub/usbdesc.h: Likewise.

        * bus/usb/usbtrans.c: Likewise.

        * bus/usb/ohci.c: Likewise.

        * bus/usb/uhci.c: Likewise.

        * bus/usb/usbhub.c: Likewise.

        * bus/usb/usb.c: Likewise.

        * commands/usbtest.c: Likewise.

        * util/usb.c: Likewise.

        * include/grub/err.h (grub_err_t): Add `GRUB_ERR_IO'.

        * configure.ac: Test for libusb presence.

        * util/grub-emu.c (main) [HAVE_LIBUSB_H]: Call `grub_libusb_init'.