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okuji 1f5ab4280a 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 
* kern/i386/pc/lzo1x.S: New file.

	* util/i386/pc/pupa-mkimage.c: Include lzo1x.h.
	(compress_kernel): New variable.
	(generate_image): Heavily modified to support compressing a
	large part of the core image.

	* util/misc.c (pupa_util_read_image): Fix a file descriptor
	leak.
	(pupa_util_load_image): New function.

	* kern/i386/pc/startup.S: Include pupa/machine/kernel.h.
	(pupa_compressed_size): New variable.
	(codestart): Enable Gate A20 here.
	Decompress the compressed part of the core image.
	Rearrange the code to put functions and variables which are
	required for initialization in the non-compressed part.
	Include lzo1x.S.

	* kern/i386/pc/init.c (pupa_machine_init): Don't enable Gate A20
	here.

	* include/pupa/util/misc.h (pupa_util_write_image): Declared.

	* include/pupa/i386/pc/kernel.h
	(PUPA_KERNEL_MACHINE_COMPRESSED_SIZE): New macro.
	(PUPA_KERNEL_MACHINE_INSTALL_DOS_PART): Increased by 4.
	(PUPA_KERNEL_MACHINE_INSTALL_BSD_PART): Likewise.
	(PUPA_KERNEL_MACHINE_PREFIX): Likewise.
	(PUPA_KERNEL_MACHINE_RAW_SIZE): New macro.

	* conf/i386-pc.rmk (pupa_mkimage_LDFLAGS): New variable.

	* genmk.rb (Image#rule): Put LDFLAGS at the end of a line.
	(Utility#rule): Likewise.

	* configure.ac: Check if LZO is available.
2003-01-31 03:26:56 +00:00
boot/i386/pc 2003-01-03 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-02 20:12:33 +00:00
conf 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
disk/i386/pc 2003-01-03 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-02 20:12:33 +00:00
fs 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +00:00
include/grub 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
kern 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
loader/i386/pc 2003-01-20 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-20 04:13:46 +00:00
normal 2003-01-20 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-20 04:13:46 +00:00
term/i386/pc Initial revision 2002-12-27 08:53:07 +00:00
util 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
.cvsignore Initial revision 2002-12-27 08:53:07 +00:00
aclocal.m4 Initial revision 2002-12-27 08:53:07 +00:00
AUTHORS Initial revision 2002-12-27 08:53:07 +00:00
autogen.sh Initial revision 2002-12-27 08:53:07 +00:00
ChangeLog 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
config.guess Initial revision 2002-12-27 08:53:07 +00:00
config.h.in 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
config.sub Initial revision 2002-12-27 08:53:07 +00:00
configure 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
configure.ac 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
COPYING Initial revision 2002-12-27 08:53:07 +00:00
genkernsyms.sh Initial revision 2002-12-27 08:53:07 +00:00
genmk.rb 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
genmodsrc.sh Initial revision 2002-12-27 08:53:07 +00:00
gensymlist.sh Initial revision 2002-12-27 08:53:07 +00:00
INSTALL 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
install-sh Initial revision 2002-12-27 08:53:07 +00:00
Makefile.in 2003-01-03 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-02 20:12:33 +00:00
mkinstalldirs Initial revision 2002-12-27 08:53:07 +00:00
NEWS 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
README Initial revision 2002-12-27 08:53:07 +00:00
stamp-h.in Initial revision 2002-12-27 08:53:07 +00:00
THANKS 2003-01-31 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-31 03:26:56 +00:00
TODO Update TODO. 2003-01-17 05:04:20 +00:00

README

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This is PUPA, the Preliminary Universal Programming Architecture for
GRUB.  PUPA is a research project for the next generation of GNU GRUB.
The most important goal is to make GNU GRUB cleaner, safer, more robust,
more powerful, and more portable.

See the file NEWS for a description of recent changes to PUPA.

See the file INSTALL for instructions on how to build and install the
PUPA data and program files.

Please visit the official web page of PUPA, for more information.
The URL is <http://www.nongnu.org/pupa/>.



Because PUPA is still in developmental stage, PUPA is not for general
use (yet). For now, you can install PUPA into a floppy by these
instructions:

$ configure && make
$ ./pupa-mkimage -v -d . -o core.img chain fat
$ dd if=boot.img of=/dev/fd0 bs=512 count=1
$ dd if=core.img of=/dev/fd0 bs=512 seek=1

It would be easier to use Bochs <http://bochs.sf.net/> than a real
machine.