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okuji 62ddcc8f79 2002-12-28 Yoshinori K. Okuji <okuji@enbug.org> 
Use -mrtd and -mregparm=3 to reduce the generated code sizes.
	This means that any missing prototypes could be fatal. Also, you
	must take care when writing assembly code. See the comments at
	the beginning of startup.S, for more details.

	* kern/i386/pc/startup.S (pupa_halt): Modified for the new
	compilation mechanism.
	(pupa_chainloader_real_boot): Likewise.
	(pupa_biosdisk_rw_int13_extensions): Likewise.
	(pupa_biosdisk_rw_standard): Likewise.
	(pupa_biosdisk_check_int13_extensions): Likewise.
	(pupa_biosdisk_get_diskinfo_int13_extensions): Likewise.
	(pupa_biosdisk_get_diskinfo_standard): Likewise.
	(pupa_get_memsize): Likewise.
	(pupa_get_mmap_entry): Likewise.
	(pupa_console_putchar): Likewise.
	(pupa_console_setcursor): Likewise.
	(pupa_getrtsecs): Use pushl instead of push.

	* kern/i386/pc/init.c (pupa_machine_init): Use the scratch
	memory instead of the stack for a mmap entry, because some
	BIOSes may ignore the maximum size and overflow.

	* conf/i386-pc.rmk (COMMON_CFLAGS): Added -mrtd and -mregparm=3.

	* genmk.rb (PModule#rule): Compile automatically generated
	sources with module-specific CFLAGS as well as other sources.
2002-12-28 07:16:30 +00:00
boot/i386/pc Initial revision 2002-12-27 08:53:07 +00:00
conf 2002-12-28 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-28 07:16:30 +00:00
disk/i386/pc Initial revision 2002-12-27 08:53:07 +00:00
fs Initial revision 2002-12-27 08:53:07 +00:00
include/grub Initial revision 2002-12-27 08:53:07 +00:00
kern 2002-12-28 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-28 07:16:30 +00:00
loader/i386/pc Initial revision 2002-12-27 08:53:07 +00:00
term/i386/pc Initial revision 2002-12-27 08:53:07 +00:00
util Initial revision 2002-12-27 08:53:07 +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 2002-12-28 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-28 07:16:30 +00:00
config.guess Initial revision 2002-12-27 08:53:07 +00:00
config.h.in Initial revision 2002-12-27 08:53:07 +00:00
config.sub Initial revision 2002-12-27 08:53:07 +00:00
configure 2002-12-27 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-27 14:14:06 +00:00
configure.ac 2002-12-27 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-27 14:14:06 +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 2002-12-28 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-28 07:16:30 +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 Initial revision 2002-12-27 08:53:07 +00:00
install-sh Initial revision 2002-12-27 08:53:07 +00:00
Makefile.in 2002-12-27 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-27 14:14:06 +00:00
mkinstalldirs Initial revision 2002-12-27 08:53:07 +00:00
NEWS 2002-12-28 Yoshinori K. Okuji <okuji@enbug.org> 2002-12-28 07:16:30 +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 Initial revision 2002-12-27 08:53:07 +00:00
TODO Initial revision 2002-12-27 08:53:07 +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.