Commit graph

2388 commits

Author SHA1 Message Date
Vladimir 'phcoder' Serbinenko
7316783f35 Crypto module autoloading 2009-12-23 17:33:35 +01:00
Vladimir 'phcoder' Serbinenko
009ec74317 2009-12-23 Vladimir Serbinenko <phcoder@gmail.com>
* video/efi_gop.c (grub_video_gop_get_bitmask): Fix off-by-one in mask
	size counting.
2009-12-23 14:48:55 +01:00
Felix Zielcke
990f35486e 2009-12-22 Felix Zielcke <fzielcke@z-51.de>
* util/grub-mkrescue.in (pkglib_DATA): Set to @pkglib_DATA@.
	* genmk.rb (class SCRIPT): Modify the target file instead of source.
2009-12-22 18:20:27 +01:00
Vladimir 'phcoder' Serbinenko
d3d30ea08e 2009-12-22 Vladimir Serbinenko <phcoder@gmail.com>
* commands/memrw.c (grub_cmd_write): Support for mask parameter.
	(GRUB_MOD_INIT(memrw)): Update help line.
2009-12-22 17:00:28 +01:00
Vladimir 'phcoder' Serbinenko
a34f5c705a 2009-12-22 Vladimir Serbinenko <phcoder@gmail.com>
* commands/memrw.c (cmd_read_byte, cmd_read_word, cmd_read_dword):
	Use grub_extcmd_t. All users updated.
	(options): New variable.
	(grub_cmd_read): Restructure for readability. Support "-v" option.
	(grub_cmd_write): Restructure for readability.
2009-12-22 16:36:50 +01:00
Vladimir 'phcoder' Serbinenko
ba136b293a merge mainline into crypto 2009-12-22 14:28:39 +01:00
Vladimir 'phcoder' Serbinenko
2a2869b584 merge mainline into efigfx 2009-12-22 13:34:01 +01:00
Felix Zielcke
67618ea6a0 2009-12-22 Felix Zielcke <fzielcke@z-51.de>
* genmk.rb (class SCRIPT): Prepend #{src} path with $(srcdir).
2009-12-22 12:41:31 +01:00
Felix Zielcke
10a8879783 2009-12-22 Felix Zielcke <fzielcke@z-51.de>
* genmk.rb (class SCRIPT): Use sed to substitute @pkglib_DATA@
	with the actual contents of the correspondending make variable.
	* util/grub-mkrescue.in (pkglib_DATA): New variable.
	(process_input_dir): Copy all $pkglib_DATA files instead of explicitly
	specifying `*.lst' and `efiemu??.o'
2009-12-22 12:12:51 +01:00
Felix Zielcke
7e70dfffc1 2009-12-22 Felix Zielcke <fzielcke@z-51.de>
* util/grub.d/30_os-prober.in (osx_entry): Add round brackets
	after function name.
	Noticed by Rene Engelhard <rene@debian.org>.
2009-12-22 12:02:57 +01:00
Vladimir 'phcoder' Serbinenko
dc77a79959 2009-12-22 Vladimir Serbinenko <phcoder@gmail.com>
* commands/lspci.c (grub_pci_classes): Add "USB Controller".
	(options): New variable.
	(iospace): Likewise.
	(grub_lspci_iter): List IO spaces if "-i" was given.
	(grub_cmd_lspci): Parse options.
	(GRUB_MOD_INIT(lspci)): Use extcmd.
	(GRUB_MOD_FINI(lspci)): Likewise.
2009-12-22 10:41:53 +01:00
Felix Zielcke
82000aa2b2 2009-12-22 Felix Zielcke <fzielcke@z-51.de>
* util/grub.d/30_os-prober.in (osx_entry): Remove non POSIX compliant
	`function' keyword.
	Patch by Tony Mancill <tmancill@debian.org>.
2009-12-22 10:35:04 +01:00
Vladimir 'phcoder' Serbinenko
11d1828177 2009-12-22 Vladimir Serbinenko <phcoder@gmail.com>
* bus/usb/usbhub.c (grub_usb_hub_add_dev): Fix loop-break condition.
2009-12-22 10:18:18 +01:00
Vladimir 'phcoder' Serbinenko
b5d5993b6d 2009-12-22 Vladimir Serbinenko <phcoder@gmail.com>
* bus/usb/uhci.c (grub_uhci_transfer): Set a limit transaction time.
	(grub_uhci_portstatus): Likewise.
	(grub_uhci_portstatus): Add necessary delay.
2009-12-22 10:15:59 +01:00
Vladimir 'phcoder' Serbinenko
d4e580ed07 Revert obviously wrong 1963 by Felix Zielcke. 2009-12-22 10:10:57 +01:00
carles
98a50553b2 Fix ommission from ChangeLog. 2009-12-21 23:28:28 +00:00
carles
e9bbb4e721 Adds a missting entry in the ChangeLog. 2009-12-21 22:41:28 +00:00
carles
cb04503e0f Specify better previous ChangeLog. 2009-12-21 22:09:18 +00:00
carles
941903f2bd 2009-12-21 Carles Pina i Estany <carles@pina.cat>
* 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.
2009-12-21 22:06:04 +00:00
Vladimir 'phcoder' Serbinenko
6fba9b7490 merge mainline into lspci 2009-12-21 23:01:47 +01:00
Felix Zielcke
ef3c2c3ad0 Remove wrong colon in my previous changelog entry 2009-12-21 22:59:52 +01:00
Vladimir 'phcoder' Serbinenko
7d991d17a8 Fix abug in 64-bit memory address space 2009-12-21 22:32:33 +01:00
Felix Zielcke
4dd13225a0 2009-12-21 Felix Zielcke <fzielcke@z-51.de>
* util/grub-mkrescue.in: (process_input_dir): Copy `*.lst' files
	instead of specifying them explicit.
2009-12-21 22:19:25 +01:00
Robert Millan
7922f68bb5 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* NEWS: Add grub-probe support for GNU/Hurd.
2009-12-21 21:15:38 +00:00
Robert Millan
537ce47fdf 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* NEWS: gettext was added after 1.97.
2009-12-21 21:11:16 +00:00
Robert Millan
9b214e3a53 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* util/mkisofs/msdos_partition.h: New file (based on
        include/grub/msdos_partition.h).
        * util/mkisofs/mkisofs.c (use_protective_msdos_label): New variable.
        (OPTION_PROTECTIVE_MSDOS_LABEL): New macro.
        (ld_options, main): Recognize --protective-msdos-label.
        * util/mkisofs/mkisofs.h (use_protective_msdos_label): New declaration.
        * util/mkisofs/write.c: Include `"msdos_partition.h"'.
        (padblock_write): If `use_protective_msdos_label' is set, patch a
        protective DOS-style label in the output image.

        * util/grub-mkrescue.in: Use --protective-msdos-label.
2009-12-21 20:22:12 +00:00
Robert Millan
e930981361 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* util/grub-mkrescue.in: Do not zero-pad image for BIOS-based disk
        boot.
2009-12-21 19:10:07 +00:00
Robert Millan
0ae5692966 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* util/mkisofs/mkisofs.c (use_embedded_boot, boot_image_embed): New
        variables.
        (ld_options, main): Recognize `--embedded-boot'.
        * util/mkisofs/mkisofs.h (use_embedded_boot, boot_image_embed): New
        declarations.
        * util/mkisofs/write.c (PADBLOCK_SIZE): New variable.
        (padblock_size): Use `PADBLOCK_SIZE' instead of hardcoding 16.
        (padblock_write): Likewise.  Rewrite to support embedded boot image.

        * util/grub-mkrescue.in: When building i386-pc images, embed core.img
        for BIOS-based disk boot instead of only ElTorito.
2009-12-21 17:40:26 +00:00
Robert Millan
b15937b110 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* util/grub-mkrescue.in: Remove `configfile' and `sh' from i386-pc
        build (not needed for bootstrap).
2009-12-21 17:03:08 +00:00
Robert Millan
52cc3ce041 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* util/grub-mkrescue.in: Remove `memdisk', `tar' and `search' modules
        from i386-pc build (not needed for bootstrap).
        Rewrite a pair of strings.
2009-12-21 16:11:35 +00:00
Robert Millan
36f5ff04dc 2009-12-21 Robert Millan <rmh.grub@aybabtu.com>
* normal/main.c (grub_normal_reader_init): Set left margin back to 3.
2009-12-21 15:54:56 +00:00
Vladimir 'phcoder' Serbinenko
973c6c8563 Fix ChangeLog date 2009-12-21 16:44:17 +01:00
Vladimir 'phcoder' Serbinenko
b07e53f027 2009-12-21 Vladimir Serbinenko <phcoder@gmail.com>
* video/i386/pc/vbe.c (grub_video_vbe_fini): Set 'last_set_mode'.
2009-12-21 16:43:21 +01:00
Andreas Born
05d2154711 2009-12-21 Andreas Born <futur.andy@googlemail.com>
* kern/env.c (grub_env_context_open): Mark exported variable for
	reexport.
2009-12-21 15:27:50 +01:00
Andreas Born
0175d51f49 2009-12-21 Andreas Born <futur.andy@googlemail.com>
* kern/env.c (grub_env_export): Create nonexistent variables before
	exporting.
2009-12-21 15:20:12 +01:00
carles
7f39d92f8d 2009-12-20 Carles Pina i Estany <carles@pina.cat>
* include/grub/auth.h: Include `<grub/i18n.h>'.
	(GRUB_GET_PASSWORD): Gettextizze string.
	* include/grub/normal.h (STANDARD_MARGIN): New macro, moved from
	menu_text.c.
	(grub_utf8_to_ucs4_alloc): Fix indentation.
	(grub_print_ucs4): Likewise.
	(grub_getstringwidth): Likewise.
	(print_message_indented): New declaration.
	* normal/auth.c: Include `<grub/i18n.h>'.
	(grub_auth_check_authentication): Gettexttize string.
	* normal/cmdline.c: Include `<grub/i18n.h>'.
	(grub_cmdline_get): Gettextizze.
	* normal/color.c: Include `<grub/i18n.h>'.
	(grub_parse_color_name_pair): Gettexttize strings.
	* normal/main.c (grub_normal_reader_init): Cleanup gettexttized
	string (use `print_message_indented').
	* normal/menu_text.c (STANDARD_MARGIN): Moved from here to
	`include/grub/normal.h'.
	(print_message_indented): Renamed to ...
	(grub_print_message_indented): ... this. Remove `static' qualifer (now
	used in normal/main.c).
	(print_message): Use `grub_print_message_indented' instead of
	`print_message_indented'.
	(print_timeout): Likewise.
	* normal/misc.c: Include `<grub/term.h>' and `<grub/i18n.h>'.
	(grub_normal_print_device_info): Gettexttize strings.
	* po/POTFILES: Add `auth.c', `color.c' and `misc.c'.
2009-12-20 23:32:15 +00:00
Vladimir 'phcoder' Serbinenko
3041d8989c 2009-12-20 Vladimir Serbinenko <phcoder@gmail.com>
* kern/parser.c (grub_parser_split_cmdline): Fix incorrect counting
	of arguments. Return number of tokens and not arguments. All users
	updated.
2009-12-20 22:54:12 +01:00
Vladimir 'phcoder' Serbinenko
de15bf8e7f 2009-12-20 Vladimir Serbinenko <phcoder@gmail.com>
* util/i386/pc/grub-setup.c (setup): Don't install on non-GPT,
	non-MSDOS paritions.
2009-12-20 21:08:03 +01:00
Vladimir 'phcoder' Serbinenko
3c9296a029 ChangeLog 2009-12-20 20:23:11 +01:00
Vladimir 'phcoder' Serbinenko
8140d50bdc PXE environment variables 2009-12-20 20:05:53 +01:00
Vladimir 'phcoder' Serbinenko
e0a6ca52f2 2009-12-19 Vladimir Serbinenko <phcoder@gmail.com>
* include/grub/types.h (UNUSED): Removed since it conflicts with
	NetBSD headers. All users changed to direct __attribute__ ((unused)).
	Reported by Grégoire Sutre.
2009-12-20 14:09:16 +01:00
carles
b99518d1ce 2009-12-19 Carles Pina i Estany <carles@pina.cat>
* include/grub/normal.h (grub_utf8_to_ucs4): New declaration.
	(grub_print_ucs4_alloc): Likewise.
	(grub_getstringwidth): Likewise.
	* normal/main.c (grub_normal_init_page): Gettextize version string.
	* normal/menu_text.c (grub_utf8_to_ucs4_alloc): New definition.
	(getstringwidth): Renamed to ...
	(grub_getstringwidth): ... this. Remove `static' qualifier (now used
	in normal/main.c).  Use `grub_utf8_to_ucs4_alloc'.
	(grub_print_ucs4): Remove `static' qualifer (now used in
	normal/main.c).
	* po/POTFILES: Add normal/main.c.
2009-12-19 23:00:30 +00:00
carles
bfd5e52b1d 2009-12-19 Carles Pina i Estany <carles@pina.cat>
* normal/menu_text.c (STANDARD_MARGIN): New macro.
	(print_message_indented): Add `margin_left' and `margin_right'
	parameters.
	(print_message): Update `print_message_indented' calls. Adds '\n' to the
	strings.
	(print_timeout): Use `print_message_indented' to print the message.
	Deletes `second_stage' parameter.
	(run_menu): Update `print_timeout' calls.
2009-12-19 00:05:41 +00:00
Vladimir 'phcoder' Serbinenko
5a1ad2b9fd 2009-12-18 Vladimir Serbinenko <phcoder@gmail.com>
Fix console palette on OpenFirmware.

	* term/ieee1275/ofconsole.c (MAX): Removed.
	(colors): Redone based on VGA palette.
	(grub_ofconsole_setcolor): Discard brightness bit since only 8
	colors are supported.
	(grub_ofconsole_init_output): Use ARRAY_SIZE instead of hardcoded size.
2009-12-18 17:25:06 +01:00
Vladimir 'phcoder' Serbinenko
d3d389719c ChangeLog 2009-12-18 17:24:12 +01:00
Vladimir 'phcoder' Serbinenko
352640ca0d merge mainline into ofconsole 2009-12-18 17:19:44 +01:00
Vladimir 'phcoder' Serbinenko
2ecf0c7ea4 Discard brightness bit 2009-12-18 17:19:12 +01:00
Vladimir 'phcoder' Serbinenko
b045f00a84 2009-12-18 Vladimir Serbinenko <phcoder@gmail.com>
Fix potential EfiEmu double prepare.

	* efiemu/main.c (prepared): New variable
	(grub_efiemu_unload): Set prepare to '0'.
	(grub_efiemu_prepare): Return if already prepared. Set prepared.

	set_virtual_address_map support.

	* include/grub/efi/efi.h (grub_efi_set_virtual_address_map): New
	prototype.
	* include/grub/efiemu/efiemu.h (grub_efiemu_write_sym_markers): New
	prototype.
	(grub_efiemu_crc32): Likewise.
	(grub_efiemu_crc64): Likewise.
	(grub_efiemu_set_virtual_address_map): Likewise.
	* include/grub/autoefi.h (grub_autoefi_exit_boot_services):
	New definition.
	(grub_autoefi_set_virtual_address_map): Likewise.
	* kern/efi/efi.c (grub_efi_set_virtual_address_map): New function.
	* loader/i386/xnu.c (grub_xnu_boot): Call set_virtual_address_map.
	Restructure flow to accomodate it.
	* efiemu/prepare.c (grub_efiemu_prepare): Support set_virtual_address_map.
	(grub_efiemu_crc): Recompute CRC32.
	* efiemu/runtime/efiemu.c (ptv_relocated): Renamed to ...
	(efiemu_ptv_relocated): ... this. Made global. All users updated.
	* efiemu/symbols.c (relocated_handle): New variable.
	(grub_efiemu_free_syms): Free relocated_handle.
	(grub_efiemu_alloc_syms): Allocate relocated_handle.
	(grub_efiemu_write_sym_markers): New function.
	(grub_efiemu_set_virtual_address_map): Likewise.

	Newer XNU parameters.

	* include/grub/i386/xnu.h (GRUB_XNU_BOOTARGS_VERMINOR): Change to 5.
	* include/grub/xnu.h (grub_xnu_extheader): Add nameaddr and namesize.
	(grub_xnu_fill_devicetree): New prototype.
	(grub_xnu_heap_real_start): New variable.
	* loader/xnu.c (get_name_ptr): New function.
	(grub_xnu_load_driver): Fill namelen and name.

	64-bit xnu support.

	* conf/i386-efi.rmk (xnu_mod_SOURCES): Add 'loader/macho32.c'
	and 'loader/macho64.c'.
	* conf/i386-pc.rmk: Likewise.
	* conf/x86_64-efi.rmk: Likewise.
	* include/grub/i386/macho.h (grub_macho_thread64): New structure.
	* include/grub/xnu.h (grub_xnu_is_64bit): New variable.
	* include/grub/macho.h (grub_macho_segment64): New structure.
	* include/grub/machoload.h (grub_macho32_size): Renamed from ...
	(grub_macho_size32): ... to this.
	(grub_macho32_get_entry_point): Renamed from ...
	(grub_macho_get_entry_point32): ... to this.
	(grub_macho_contains_macho64): New prototype.
	(grub_macho_size64): Likewise.
	(grub_macho_get_entry_point64): Likewise.
	(grub_macho32_load): Renamed from ...
	(grub_macho_load32): ... to this.
	(grub_macho32_filesize): Renamed from ...
	(grub_macho_filesize32): ... to this.
	(grub_macho32_readfile): Renamed from ...
	(grub_macho_readfile32): ... to this.
	(grub_macho_filesize64): New prototype.
	(grub_macho_readfile64): Likewise.
	(grub_macho_parse32): Likewise.
	(grub_macho_parse64): Likewise.
	* loader/macho.c: Split into ...
	* loader/machoXX.c: ... and this. Replace 32 with XX.
	* loader/macho32.c: New file.
	* loader/macho64.c: Likewise.
	* loader/xnu.c (grub_xnu_is_64bit): New variable.
	(grub_cmd_xnu_kernel): Make 32-bit only.
	(grub_cmd_xnu_kernel64): New function.
	(grub_xnu_load_driver): Support Mach-O 64.
	(grub_cmd_xnu_mkext): Likewise.
	* util/grub.d/30_os-prober.in (osx_entry): New function.
	Generate entries for 64-bit boot too.

	Eliminate ad-hoc tree format in XNU and EfiEmu.

	* efiemu/main.c (grub_efiemu_prepare): Update comment.
	* efiemu/pnvram.c: Rewritten to use environment variables.
	All users updated.

	Inline utf16_to_utf8.

	* kern/misc.c (grub_utf16_to_utf8): Move from here ...
	* include/grub/charset.h (grub_utf16_to_utf8): ... to here. Inlined.
	All users updated.
	* include/grub/misc.h (grub_utf16_to_utf8): Removed.

	* bus/usb/usb.c (grub_usb_get_string): Move from here ...
	* commands/usbtest.c (grub_usb_get_string): ... move here.
	(usb_print_str): Fix error handling.
	* include/grub/usb.h (grub_usb_get_string): Remove.

	UTF-8 to UTF-16 transformation.

	* conf/common.rmk (pkglib_MODULES): Add charset.mod
	(charset_mod_SOURCES): New variable.
	(charset_mod_CFLAGS): Likewise.
	(charset_mod_LDFLAGS): Likewise.
	* include/grub/utf.h: New file.
	* lib/utf.c: New file. (Based on grub_utf8_to_ucs4 from kern/misc.c)

	Support for device properties.

	* include/grub/i386/xnu.h (grub_xnu_devprop_header): New structure.
	(grub_xnu_devprop_device_header): Likewise.
	(grub_xnu_devprop_device_descriptor): Likewise.
	(grub_xnu_devprop_add_device): New prototype.
	(grub_xnu_devprop_remove_device): Likewise.
	(grub_xnu_devprop_remove_property): Likewise.
	(grub_xnu_devprop_add_property_utf8): Likewise.
	(grub_xnu_devprop_add_property_utf16): Likewise.
	(grub_cpu_xnu_init): Likewise.
	(grub_cpu_xnu_fini): Likewise.
	(grub_cpu_xnu_unload): Likewise.
	* loader/i386/xnu.c (grub_xnu_devprop_device_descriptor): New structure.
	(property_descriptor): Likewise.
	(devices): New variable.
	(grub_xnu_devprop_remove_property): New function.
	(grub_xnu_devprop_add_device): Likewise.
	(grub_xnu_devprop_remove_device): Likewise.
	(grub_xnu_devprop_add_property): Likewise.
	(grub_xnu_devprop_add_property_utf8): Likewise.
	(grub_xnu_devprop_add_property_utf16): Likewise.
	(hextoval): Likewise.
	(grub_cpu_xnu_fill_devprop): Likewise.
	(grub_cmd_devprop_load): Likewise.
	(grub_xnu_boot): Call grub_cpu_xnu_fill_devprop,
	grub_xnu_fill_devicetree, grub_xnu_fill_devicetree
	(cmd_devprop_load): New variable.
	(grub_cpu_xnu_init): New function.
	(grub_cpu_xnu_fini): Likewise.
	* loader/i386/xnu.c (grub_xnu_unload): Call grub_cpu_xnu_unload.
	* loader/xnu.c (grub_xnu_parse_devtree): Remove.
	(grub_cmd_xnu_devtree): Likewise.
	(hextoval): New function.
	(unescape): Likewise.
	(grub_xnu_fill_devicetree): Likewise.

	* util/grub.d/30_os-prober.in: Load devprop.bin. Don't load devtree.txt.
	* util/i386/efi/grub-dumpdevtree: Generate devprop.bin.
2009-12-18 15:20:21 +01:00
Vladimir 'phcoder' Serbinenko
289634b1fa Report trampoline information before going to video mode 2009-12-18 11:15:46 +01:00
Vladimir 'phcoder' Serbinenko
8463a018b2 ChangeLog 2009-12-18 04:58:00 +01:00