changelog

GRUB 0.93的源代码。有人说可以当一个很小的操作系统了

	for FreeBSD-4.0 or later. Use "/dev/rad0".
	* util/grub-install.in (convert): Add code for FreeBSD
	disklabels.

2001-02-28  OKUJI Yoshinori  <[e-mail]>

	From Thierry Laronde <[e-mail]>:
	* stage2/stage2.c (cmain): If the default entry is wrong, set it
	to FALLBACK_ENTRY if FALLBACK_ENTRY is valid, otherwise set it
	to zero. Suggested by Nicolas Boos <[e-mail]>.
	
2001-02-28  OKUJI Yoshinori  <[e-mail]>

	* acconfig.h (AUTO_LINUX_MEM_OPT): New entry.
	* configure.in (--disable-auto-linux-mem-opt): New option.
	* stage2/builtins.c (kernel_func) [!AUTO_LINUX_MEM_OPT]: Add
	KERNEL_LOAD_NO_MEM_OPTION into LOAD_FLAGS, whether the user
	specifies --no-mem-option or not.
	
2001-02-27  OKUJI Yoshinori  <[e-mail]>

	* stage2/builtins.c (chainloader_func): Don't check if the
	current partition is FAT, but check if it has a FAT partition
	type and the BPB has a system id starting with "MSWIN".
	
2001-02-27  OKUJI Yoshinori  <[e-mail]>

	Added hercules support based on a patch by Frank Mehnert
	<[e-mail]>. I translated his assembly code into
	C, and separated hercules from the normal console.
	
	* configure.in (--disable-hercules): New option.
	
	* grub/asmstub.c: Include <hercules.h>.
	(set_attrib): Renamed to ...
	(console_set_attrib): ... this.
	(herc_cls): New function.
	(herc_getxy): Likewise.
	(herc_gotoxy): Likewise.
	(herc_putchar): Likewise.
	(herc_set_attrib): Likewise.
	
	* stage2/Makefile.am (noinst_HEADERS): Added hercules.h.
	(libgrub_a_CFLAGS): Added -DSUPPORT_HERCULES=1.
	(HERCULES_FLAGS): New variable.
	(STAGE2_COMPILE): Added $(HERCULES_FLAGS).
	(pre_stage2_exec_SOURCES): Added hercules.c.
	* stage2/asm.S [!STAGE1_5] (set_attrib) Renamed to ...
	[!STAGE1_5] (console_set_attrib): ... this.
	* stage2/builtins.c [SUPPORT_HERCULES] (terminal_func): Added
	hercules support.
	(builtin_table) [SUPPORT_HERCULES]: Added a pointer to
	BUILTIN_TERMINAL.
	* stage2/char_io.c [SUPPORT_HERCULES]: Include <hercules.h>.
	[!STAGE1_5] (get_cmdline) [SUPPORT_HERCULES]: Added hercules
	support.
	[!STAGE1_5] (getkey) [SUPPORT_HERCULES]: Likewise.
	[!STAGE1_5] (checkkey) [SUPPORT_HERCULES]: Likewise.
	(grub_putchar) [SUPPORT_HERCULES]: Likewise.
	[!STAGE1_5] (gotoxy) [SUPPORT_HERCULES]: Likewise.
	[!STAGE1_5] (getxy) [SUPPORT_HERCULES]: Likewise.
	[!STAGE1_5] (cls) [SUPPORT_HERCULES]: Likewise.
	(set_attrib): New function.
	* stage2/shared.h (console_set_attrib): Declared.
	(TERMINAL_HERCULES): New macro.
	* stage2/stage2.c (run_menu) [SUPPORT_HERCULES]: Added hercules
	support.
	* stage2/hercules.h: New file.
	* stage2/hercules.c: Likewise.
	
2001-02-17  OKUJI Yoshinori  <[e-mail]>

	From "Treutwein; Bernhard"
	<[e-mail]>:
	* docs/grub.texi (DOS/Windows): Improved the readability.
	
2001-02-11  OKUJI Yoshinori  <[e-mail]>

	* docs/grub.texi (Command-line and menu commands): Renamed to ...
	(General commands): ... this.
	
2001-02-08  OKUJI Yoshinori  <[e-mail]>

	* stage2/asm.S [STAGE1_5] (chain_stage2): Save the second sector
	of stage2 in %ecx temporarily, and set %ebp to %ecx after
	switching to protected mode. I forgot that %ebp is broken by
	rot_to_real. Reported by Torvald Riegel
	<[e-mail]>.
	
2001-02-08  OKUJI Yoshinori  <[e-mail]>

	* docs/grub-new.texi: Moved to ...
	* docs/grub.texi: ... here. And, include internals.texi.
	* docs/internals.texi: New file.
	* docs/prog-ref.texi: Removed.
	* docs/user-ref.texi: Likewise.
	* docs/tutorial.texi: Likewise.
	* docs/appendices.texi: Likewise.
	* docs/Makefile.am (grub_TEXINFOS): Removed prog-ref.texi,
	user-ref.texi, tutorial.texi, and appendices.texi. Added
	internals.texi.
	
2001-02-03  OKUJI Yoshinori  <[e-mail]>

	From Erik Schoenfelder <[e-mail]>:
	* stage2/shared.h (LINUX_INITRD_MAX_ADDRESS): Changed from
	0x3C000000 to 0x38000000.
	
2001-02-03  OKUJI Yoshinori  <[e-mail]>

	* stage2/builtins.c (savedefault_func)
	[!SUPPORT_DISKLESS && !GRUB_UTIL]: Check if the version
	contained in the buffer matches to current one as well.
	
2001-02-02  OKUJI Yoshinori  <[e-mail]>

	* stage2/builtins.c (savedefault_func)
	[!SUPPORT_DISKLESS && !GRUB_UTIL]: Check if the stage2 id is
	STAGE2_ID_STAGE2. Suggested by Jochen Hoenicke.
	
	* stage2/stage2.c (cmain): If DEFAULT_ENTRY is out of entries,
	reset DEFAULT_ENTRY to zero.
	
2001-02-02  OKUJI Yoshinori  <[e-mail]>

	Make savedefault workable even with Stage 1.5. Reported by
	Thierry Laronde <[e-mail]>.
	
	* grub/asmstub.c (chain_stage2): Added an additional argument,
	SECOND_SECTOR.
	* stage2/asm.S [STAGE1_5] (chain_stage2): Set %ebp to
	SECOND_SECTOR.
	* stage2/disk_io.c [STAGE1_5] (disk_read_hook): Defined.
	[STAGE1_5] (disk_read_func): Likewise.
	(rawread) [STAGE1_5]: Handle DISK_READ_FUNC.
	(grub_read) [STAGE1_5]: Likewise.
	* stage2/fsys_ext2fs.c (ext2fs_read) [STAGE1_5]: Likewise.
	* stage2/fsys_fat.c (fat_read) [STAGE1_5]: Likewise.
	* stage2/fsys_ffs.c (ffs_read) [STAGE1_5]: Likewise.
	* stage2/fsys_minix.c (minix_read) [STAGE1_5]: Likewise.
	* stage2/fsys_reiserfs.c (reiserfs_read) [STAGE1_5]: Likewise.
	
2001-02-02  OKUJI Yoshinori  <[e-mail]>

	* netboot/config.c [GRUB && INCLUDE_PCI] (pci_dispatch_table):
	New structure.
	[GRUB && INCLUDE_PCI] (PCI_NIC): New variable.
	(eth_probe) [GRUB && INCLUDE_PCI]: If a PCI NIC candidate is
	present, probe it first.
	
2001-01-27  OKUJI Yoshinori  <[e-mail]>

	From Danilo Godec <[e-mail]>:
	* stage2/pc_slice.h (PC_SLICE_TYPE_LINUX_RAID): New macro.
	* stage2/fsys_ext2fs.c (ext2fs_mount): Add a check for
	PC_SLICE_LINUX_RAID.
	
2001-01-27  OKUJI Yoshinori  <[e-mail]>

	From Bernhard Treutwein
	<[e-mail]>:
	* docs/grub-new.texi (DOS/Windows): Made more readable.
	
2001-01-27  OKUJI Yoshinori  <[e-mail]>

	* docs/multiboot.texi: Start reorganizing Multiboot
	Specification.
	
2001-01-15  OKUJI Yoshinori  <[e-mail]>

	From Thierry Laronde <[e-mail]>:
	* docs/user-ref.texi (Command-line and menu commands): Update
	the description about setkey.
	* stage2/builtins.c (setkey_func): When checking if TO_KEY and
	FROM_KEY are specified, see *TO_KEY and *FROM_KEY instead of
	TO_KEY and FROM_KEY, respectively.
	
2001-01-13  OKUJI Yoshinori  <[e-mail]>

	From Thierry Laronde <[e-mail]>:
	* util/grub-md5-crypt.in (prefix): New variable.
	(exec_prefix): Likewise.
	(sbindir): Likewise.
	
2001-01-12  OKUJI Yoshinori  <[e-mail]>

	* docs/multiboot.h [__ELF__] (MULTIBOOT_HEADER_FLAGS): Defined
	as 0x00000003 instead of 0x00010003.
	* docs/boot.S (multiboot_header) [__ELF__]: Don't define a.out
	kludge information.
	
	* docs/Makefile.am (EXTRA_PROGRAMS): New variable.
	[BUILD_EXAMPLE_KERNEL] (noinst_DATA): Removed.
	[BUILD_EXAMPLE_KERNEL] (noinst_PROGRAMS): Changed to kernel.
	[BUILD_EXAMPLE_KERNEL] (kernel_exec_SOURCES): Renamed to ...
	[BUILD_EXAMPLE_KERNEL] (kernel_SOURCES): ... this.
	[BUILD_EXAMPLE_KERNEL] (kernel_exec_CFLAGS): Renamed to ...
	[BUILD_EXAMPLE_KERNEL] (kernel_CFLAGS): ... this.
	[BUILD_EXAMPLE_KERNEL] (kernel_exec_LDFLAGS): Renamed to ...
	[BUILD_EXAMPLE_KERNEL] (kernel_LDFLAGS): ... this.
	[BUILD_EXAMPLE_KERNEL] (kernel): Removed.
	[BUILD_EXAMPLE_KERNEL] (boot.o): New dependency.
	(CLEANFILES): New variable.
	
2001-01-11  OKUJI Yoshinori  <[e-mail]>

	* stage2/builtins.c [SUPPORT_NETBOOT] (ifconfig_func): Always
	print current network configuration.
	[SUPPORT_NETBOOT] (tftpserver_func): Use ifconfig instead of
	arp_server_override.
	* netboot/main.c (arp_server_override): Removed.
	* netboot/etherboot.h (arp_server_override): Likewise.

2001-01-11  Eugene Doudine  <[e-mail]>
	
	* stage2/builtins.c [SUPPORT_NETBOOT] (ifconfig_func): New
	function to configure network interface from command line.
	[SUPPORT_NETBOOT] (builtin_ifconfig): New variable.
	[SUPPORT_NETBOOT] (builtin_table): Added a pointer to
	BUILTIN_IFCONFIG.
	* netboot/main.c (ifconfig): New function.
	* netboot/etherboot.h (ifconfig): Added the prototype.
	
2001-01-11  OKUJI Yoshinori  <[e-mail]>

	* docs/Makefile.am [BUILD_EXAMPLE_KERNEL] (noinst_DATA): New
	variable.
	[BUILD_EXAMPLE_KERNEL] (noinst_PROGRAMS): Likewise.
	[BUILD_EXAMPLE_KERNEL] (kernel_exec_SOURCES): Likewise.
	[BUILD_EXAMPLE_KERNEL] (kernel_exec_CFLAGS): Likewise.
	[BUILD_EXAMPLE_KERNEL] (kernel_exec_LDFLAGS): Likewise.
	[BUILD_EXAMPLE_KERNEL] (kernel): New target.
	* configure.in (--enable-example-kernel): New option.

	* docs/kernel.c (cmain): Cast unsigned long variables to
	unsigned explicitly, to suppress GCC warnings.
	
2001-01-08  OKUJI Yoshinori  <[e-mail]>

	* stage2/shared.h (BOOTSEC_BPB_HIDDEN_SECTORS): New macro.
	
	* stage2/builtins.c (chainloader_func): If CURRENT_PARTITION is
	FAT, set the hidden sectors field of the BPB to PART_START, to
	avoid a Windows bug which affects only when Windows is booted
	from a logical partition. And, clear ERRNUM after testing if a
	partition is FAT, because open_partition or fat_mount may set
	ERRNUM. Reported by Ingo Korb <[e-mail]>.
	
2001-01-07  OKUJI Yoshinori  <[e-mail]>

	* stage2/builtins.c (boot_func): In the chain-loading mode,
	clear the active flag of each of the loaded partition entries,
	and then set the active flag of the booted partition image.
	
2001-01-04  Jochen Hoenicke  <[e-mail]>

	* stage2/builtins.c (embed_func): Call open_partition() even for
 	MBR, so that part_start is correct.  This fixes a bug reported by
 	Matthias Granberry <[e-mail]>.
	
2000-12-22  OKUJI Yoshinori  <[e-mail]>

	* stage2/disk_io.c (make_saved_active): Change the variable name
	``MBR'' to lower case.
	(set_partition_hidden_flag): Likewise.
	
2000-12-20  Jochen Hoenicke  <[e-mail]>

	From Cedric Ware <[e-mail]>:
	* stage2/fsys_ext2.c (ext2fs_mount): Detect ext2 partitions in
	a OpenBSD/NetBSD FS_EXT2FS slice.
	* stage2/pc_slice.h (FS_ADOS): New Macro from OpenBSD/NetBSD.
	(FS_HFS): Likewise.
	(FS_FILECORE): Likewise.
	(FS_EXT2FS): Likewise.
	
2000-12-17  Jochen Hoenicke  <[e-mail]>

	* stage2/disk_io.c (rawread): Check if there is a EZD partition
	and remap sector 0 to sector 1 like EZ-BIOS does.
	(rawwrite): New function to write to disk.  Also does EZD
	remapping.
	(devwrite): New function.  Does the special remapping to
	partitions needed for linux.  This contains the code that was
	previously duplicated in embed_func and install_func at several
	places.
	(make_saved_active): Use rawwrite. Don't use SCRATCHSEG, as it is
	needed by devwrite.
	(set_partition_hidden_flag): Likewise.	
	* stage2/disk_io.h (rawwrite): New function.
	(devwrite): Likewise.
	* stage2/pc_slice.h (PC_SLICE_TYPE_EZD): New macro.
	* stage2/builtins.c (embed_info): New variable to store the
	position of the embedded stage1_5 for setup_func.
	(embed_func): Don't embed after the MBR if an EZ-BIOS is detected
	there.  Use the new devwrite method.  If embedding is successful
	store position in embed_info.
	(install_func): Use devwrite.  Don't use SCRATCHSEG.
	(partnew_func): Use rawwrite.  Don't use SCRATCHSEG.
	(parttype_func): Likewise.
	(savedefault_func): Likewise.
	(setup_func): New nested function embed_stage1_5.  Stage1_5 is now
	also be embedded into filesystems which supports that.
	
2000-12-17  OKUJI Yoshinori  <[e-mail]>

	* stage2/builtins.c (chainloader_func): Set ERRNUM to
	ERR_EXEC_FORMAT, when ERRNUM is ERR_NONE, even if grub_read
	fails in reading one sector.
	
2000-12-14  OKUJI Yoshinori  <[e-mail]>

	* docs/prog-ref.texi (Partition types): Rewrite the footnotes.
	Suggested by [e-mail] (Ralf Medow).
	
2000-12-14  OKUJI Yoshinori  <[e-mail]>

	From Erik Schoenfelder <[e-mail]>:
	* util/grub-install.in (convert): Revised the fix for floppy
	device handling.
	
2000-12-14  OKUJI Yoshinori  <[e-mail]>

	From HORIKAWA Kazunori <[e-mail]>:
	* stage2/bios.c (get_diskinfo): Append 16 bytes dummy data to
	DRP, because the BIOS of Thinkpad X20 write a garbage beyond the
	size of the structure.
	
2000-12-09  Jochen Hoenicke  <[e-mail]>

	* stage2/disk_io.c (next_partition): Mask out bsd partition sub
	type when checking if last partition was a bsd partition.
	Reported by Heikki Vatiainen <[e-mail]>.
	
2000-12-09  OKUJI Yoshinori  <[e-mail]>

	From Leendert Meyer <[e-mail]>:
	* util/grub-install.in (convert): If a floppy device is
	specified, remove everything from $tmp_part.
	
2000-12-09  OKUJI Yoshinori  <[e-mail]>

	* lib/device.c [__linux__] (write_to_partition): Use strcpy
	instead of strcat, to overwrite "/disc". Reported by Thiago
	Macieira <[e-mail]>.
	
2000-12-05  Jochen Hoenicke  <[e-mail]>

	* stage2/fsys_minix.c (minix_mount): Corrected the check for
	IS_PC_SLICE_TYPE_MINIX; minix was only working if slice type was
	wrong! Reported by Ralf Medow <[e-mail]>.
	
2000-11-27  Jochen Hoenicke  <[e-mail]>

	* stage2/fsys_reiserfs.c: Handle items with old version key on
	new version reiserfs partition.
	(K_OFFSET): Removed.
	(IH_KEY_OFFSET): New Macro, which checks item head version.
	(IH_KEY_ISOFFSET): Likewise.
	(reiserfs_read): Use new macros.
	(reiserfs_dir): Fixed version check for >4GB stat entries.
	
2000-11-27  OKUJI Yoshinori  <[e-mail]>

	* stage2/common.c (init_bios_info) [!STAGE1_5]: Don't call
	track_int13, because the current implementation hangs up in some
	environments.
	
2000-11-27