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okuji a5ffe96617 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 
* util/i386/pc/pupa-setup.c: Include pupa/machine/kernel.h.
	(setup): Configure the installed partition information and the
	dl prefix.

	* loader/i386/pc/chainloader.c (my_mod): New variable.
	(pupa_chainloader_unload): New function.
	(pupa_rescue_cmd_chainloader): Refer itself.
	(PUPA_MOD_INIT): Save its own module in MY_MOD.

	* kern/i386/pc/startup.S (install_partition): Removed.
	(version_string): Likewise.
	(config_file): Likewise.
	(pupa_install_dos_part): New variable.
	(pupa_install_bsd_part): Likewise.
	(pupa_prefix): Likewise.
	(pupa_chainloader_real_boot): Call pupa_dl_unload_all.

	* kern/i386/pc/init.c: Include pupa/machine/kernel.h, pupa/dl.h
	and pupa/misc.h.
	(make_install_device): New function.
	(pupa_machine_init): Set the dl prefix.

	* kern/rescue.c: Include pupa/rescue.h and pupa/dl.h.
	(buf): Renamed to ...
	(linebuf): ... this.
	(pupa_rescue_cmd_prefix): New function.
	(pupa_rescue_cmd_insmod): Likewise.
	(pupa_rescue_cmd_rmmod): Likewise.
	(pupa_rescue_cmd_lsmod): Likewise.
	(pupa_enter_rescue_mode): Register new commands: prefix, insmod,
	rmmod and lsmod.

	* kern/mm.c (pupa_memalign): If failed even after invalidating
	disk caches, unload unneeded modules and retry.

	* kern/misc.c (pupa_memmove): New function.
	(pupa_memcpy): Removed.
	(pupa_strcpy): New function.
	(pupa_itoa): Made static.

	* kern/dl.c (pupa_dl_iterate): New function.
	(pupa_dl_ref): Likewise.
	(pupa_dl_unref): Likewise.
	(pupa_dl_unload): Return if succeeded or not.
	(pupa_dl_unload_unneeded): New function.
	(pupa_dl_unload_all): Likewise.
	(pupa_dl_init): Renamed to ...
	(pupa_dl_set_prefix): ... this.
	(pupa_dl_get_prefix): New function.

	* include/pupa/i386/pc/kernel.h: Include pupa/types.h.
	(PUPA_KERNEL_MACHINE_INSTALL_DOS_PART): New macro.
	(PUPA_KERNEL_MACHINE_INSTALL_BSD_PART): Likewise.
	(PUPA_KERNEL_MACHINE_PREFIX): Likewise.
	(pupa_install_dos_part): Declared.
	(pupa_install_bsd_part): Likewise.
	(pupa_prefix): Likewise.
	(pupa_boot_drive): Likewise.

	* include/pupa/types.h: Fix a typo.

	* include/pupa/misc.h (pupa_memcpy): New macro. Just an alias to
	pupa_memmove.
	(pupa_memmove): Declared.
	(pupa_strcpy): Likewise.

	* include/pupa/dl.h (PUPA_MOD_INIT): Change the prototype. Now
	pupa_mod_init takes one argument, its own module.
	(pupa_dl_unload_unneeded): Declared.
	(pupa_dl_unload_all): Likewise.
	(pupa_dl_ref): Likewise.
	(pupa_dl_unref): Likewise.
	(pupa_dl_iterate): Likewise.
	(pupa_dl_init): Renamed to ...
	(pupa_dl_set_prefix): ... this.
	(pupa_dl_get_prefix): Declared.

	* fs/fat.c [!PUPA_UTIL] (my_mod): New variable.
	(pupa_fat_dir) [!PUPA_UTIL]: Prevent the fat module from being
	unloaded.
	(pupa_fat_open) [!PUPA_UTIL]: Refer itself if succeeded.
	(pupa_fat_close) [!PUPA_UTIL]: Unrefer itself.

	* configure.ac (tmp_CFLAGS): Added -Wshadow, -Wpointer-arith,
	-Wmissing-prototypes, -Wundef and -Wstrict-prototypes.
2003-01-06 00:01:35 +00:00
boot/i386/pc 2003-01-03 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-02 20:12:33 +00:00
conf 2003-01-03 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-02 20:12:33 +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 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +00:00
kern 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +00:00
loader/i386/pc 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +00:00
term/i386/pc Initial revision 2002-12-27 08:53:07 +00:00
util 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +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 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +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 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +00:00
configure.ac 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +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 2003-01-03 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-02 20:12:33 +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 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 2003-01-06 Yoshinori K. Okuji <okuji@enbug.org> 2003-01-06 00:01:35 +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.