ports//net/mknbi/work/mknbi-1.4.4/Makefile

VERSION=1.4.4
EXTRAVERSION=
TARVERSION=1.4.4
# spec file can override
RPMVERSION=$(VERSION)

# If you don't have either nasm or the ELKS as86, then just do make
# and make install because the assembler sources are supplied preassembled
# If you do make realclean you will have to unpack the mknbi archive again

# Use nasm or as86
ASM=nasm
# This must be the as86 from the ELKS project, the default Linux one won't do
#ASM=as86

# for first32*.linux
# This one makes multiple versions
FIRSTRELOCS=	0x92800 0x82800
OLDGAS:=	$(shell $(AS) --version | grep -q '2\.9\.1' && echo -DGAS291)
CFLAGS=		-I. -Os -ffreestanding -fstrength-reduce -fomit-frame-pointer \
		-march=i386 \
		-Wall -W -Wno-format -Wno-unused -DVERSION=\"$(VERSION)$(EXTRAVERSION)\"
LDBINARYFLAG=	--oformat binary
FIRST32SIZE=	6144

# for first32dos
F32DRELOC=0x93000

# for FreeDOS
FDKSEG=	0x60

# for menu
MENURELOC=	0x60000
# Options for auxiliary menu program
# Available: -DANSIESC -DMOTD -DUSRPARMS -DPASSWD
# -DCONSOLE_CRT -DCONSOLE_SERIAL -DSHOW_NUMERIC -DPOWERSAVE
# Might as well take the lot since code size is not a concern
# Must pick ANSIMODE=1 if ANSIESC is chosen
BOOTMENU_FLAGS=	-DCONSOLE_CRT -DANSIESC -DANSIMODE=1 -DMOTD -DUSRPARMS -DPASSWD -DPOWERSAVE -DCOMCONSOLE=0x3f8 -DCOMPRESERVE

PREFIX?=		/usr/local
INSTPREFIX=	$(BUILD_ROOT)$(PREFIX)
LIBDIR=		$(PREFIX)/lib/mknbi
INSTLIBDIR=	$(INSTPREFIX)/lib/mknbi
BINDIR=		$(INSTPREFIX)/bin
MANDIR=		$(INSTPREFIX)/man/man1
DOCDIR=		$(INSTPREFIX)/share/doc/mknbi

INSTALL=	install

PROG=	mknbi disnbi dismbr disdosbb nbitoelf
MODULES=Nbi.pm Elf.pm TruncFD.pm
FIRSTS=	$(foreach i,$(FIRSTRELOCS),first32@$(i).linux first32elf@$(i).linux) \
	first.dos first.fdos menu nfl
ALTBOOT=altboot.bin
RMRD=	rmrd.com
MANS=	mknbi.1 disnbi.1 menuc.1
HTMLS=	mknbi.html disnbi.html menuc.html
DOCS=	$(MANS) $(HTMLS)


all:	$(PROG) $(FIRSTS) $(RMRD) $(DOCS)

# Tagged image builder
mknbi:	mknbi.pl Nbi.pm TruncFD.pm
	perl -ne 's|\@\@VERSION\@\@|$(VERSION)|; s|\@\@LIBDIR\@\@|$(LIBDIR)|; s|\@\@FDKSEG\@\@|$(FDKSEG)|; print $$_;' mknbi.pl > $@
	chmod 755 $@

# Tagged image display and disassemble
disnbi:	disnbi.pl
	cp -p disnbi.pl disnbi
	chmod 755 disnbi

# Master boot record display
dismbr:	dismbr.pl
	cp -p dismbr.pl dismbr
	chmod 755 dismbr

# DOS boot block display
disdosbb:	disdosbb.pl
	cp -p disdosbb.pl disdosbb
	chmod 755 disdosbb

# NBI to ELF converter
nbitoelf:	nbitoelf.pl
	cp -p nbitoelf.pl nbitoelf
	chmod 755 nbitoelf

# 32-bit first stage protected mode call setup program
first32@%.linux:	start32@%.o first32.o memsizes.o printf.o string.o
	$(LD) -N -Ttext $* -e _start $(LDBINARYFLAG) -o $@ start32@$*.o first32.o memsizes.o printf.o string.o
	@if [ `wc -c < $@` -gt $(FIRST32SIZE) ]; then echo Binary too large; fi

# 32-bit first stage ELF setup program
first32elf@%.linux:	start32@%.o first32elf.o memsizes.o printf.o string.o
	$(LD) -N -Ttext $* -e _start $(LDBINARYFLAG) -o $@ start32@$*.o first32elf.o memsizes.o printf.o string.o
	@if [ `wc -c < $@` -gt $(FIRST32SIZE) ]; then echo Binary too large; fi

# 32-bit first stage ELF DOS setup program
first32elf@%.dos:	start32@%.o first32dos.o printf.o string.o
	$(LD) -N -Ttext $* -e _start $(LDBINARYFLAG) -o $@ start32@$*.o first32dos.o printf.o string.o

start32@%.o:	start32.S
	gcc -E -DRELOC=$* $(OLDGAS) start32.S | $(AS) -o start32@$*.o

first32.o:	first32.c etherboot.h start32.h
	gcc $(CFLAGS) -o first32.o -c first32.c

first32elf.o:	first32.c etherboot.h start32.h
	gcc $(CFLAGS) -DFIRST32ELF -o first32elf.o -c first32.c

first32dos.o:	first32.c etherboot.h start32.h
	gcc $(CFLAGS) -DRELOC=$(F32DRELOC) -DFIRST32DOS -DFIRST32ELF -o first32dos.o -c first32.c

memsizes.o:		memsizes.c
	gcc $(CFLAGS) -c $*.c

printf.o:		printf.c
	gcc $(CFLAGS) -c $*.c

# DOS first stage setup program, depend on Makefile for version number
first.dos:	first-dos.S first-dos.h version-dos.h Makefile
ifeq ($(ASM),as86)
	gcc $(ASMCFLAGS) -DUSE_AS86 -DVENDOR_MAGIC=\"mknbi-dos-$(VERSION)\" -E -traditional -o first-dos.s first-dos.S
	as86 -0 -b first.dos first-dos.s
else
	gcc $(ASMCFLAGS) -DUSE_NASM -DVENDOR_MAGIC=\"mknbi-dos-$(VERSION)\" -E -traditional -o first-dos.s first-dos.S
	nasm -f bin first-dos.s -o first.dos
endif

# FreeDOS first stage setup program, depend on Makefile for version number
first.fdos:	first-dos.S first-dos.h version-dos.h Makefile
ifeq ($(ASM),as86)
	gcc $(ASMCFLAGS) -DFREEDOS -DFDKSEG=$(FDKSEG) -DUSE_AS86 -DVENDOR_MAGIC=\"mknbi-fdos-$(VERSION)\" -E -traditional -o first-fdos.s first-dos.S
	as86 -0 -b first.fdos first-fdos.s
else
	gcc $(ASMCFLAGS) -DFREEDOS -DFDKSEG=$(FDKSEG) -DUSE_NASM -DVENDOR_MAGIC=\"mknbi-fdos-$(VERSION)\" -E -traditional -o first-fdos.s first-dos.S
	nasm -f bin first-fdos.s -o first.fdos
endif

first-elf.dos:	first.dos first32elf@$(F32DRELOC).dos
	cat first.dos first32elf@$(F32DRELOC).dos > first-elf.dos

first-elf.fdos:	first.fdos first32elf@$(F32DRELOC).dos
	cat first.fdos first32elf@$(F32DRELOC).dos > first-elf.fdos

# Menu first stage program
menu:	startmenu.o menu.o bootmenu.o string.o printf.o ansiesc.o md5.o misc.o serial.o
	$(LD) -N -Ttext $(MENURELOC) -e _start $(LDBINARYFLAG) -o $@ startmenu.o menu.o bootmenu.o string.o printf.o ansiesc.o md5.o misc.o serial.o

# Another menu program, this one simpler
menu-simple:	startmenu.o menu-simple.o string.o printf.o ansiesc.o
	$(LD) -N -Ttext $(MENURELOC) -e _start $(LDBINARYFLAG) -o $@ startmenu.o menu-simple.o string.o printf.o ansiesc.o

# Network FreeLoader (light-bar menu program)
nfl:	startmenu.o nfl.o string.o printf.o ansiesc.o
	$(LD) -N -Ttext $(MENURELOC) -e _start $(LDBINARYFLAG) -o $@ startmenu.o nfl.o string.o printf.o ansiesc.o

# LUA interpreter
lua/bin/lua:
	cd lua; make

startmenu.o:	startmenu.S startmenu.h
	gcc -E -Ui386 -DRELOC=$(MENURELOC) $(OLDGAS) startmenu.S | $(AS) -o startmenu.o

menu.o:		menu.c stddef.h string.h printf.h ansiesc.h \
		misc.h linux-asm-io.h etherboot.h
	gcc $(CFLAGS) $(BOOTMENU_FLAGS) -c $*.c

bootmenu.o:	bootmenu.h bootmenu.c stddef.h string.h md5.h misc.h etherboot.h start32.h
	gcc $(CFLAGS) $(BOOTMENU_FLAGS) -c $*.c

string.o:	string.h string.c
	gcc $(CFLAGS) -c $*.c

ansiesc.o:	ansiesc.h ansiesc.c stddef.h string.h etherboot.h
	gcc $(CFLAGS) -DGFX -c $*.c

md5.o:	md5.h md5.c etherboot.h
	gcc $(CFLAGS) $(BOOTMENU_FLAGS) -c $*.c

misc.o:	misc.h misc.c ansiesc.h etherboot.h start32.h
	gcc $(CFLAGS) $(BOOTMENU_FLAGS) -c $*.c

serial.o:	serial.c
	gcc $(CFLAGS) $(BOOTMENU_FLAGS) -c $*.c

menu-simple.o:	menu-simple.h menu-simple.c string.h etherboot.h
	gcc $(CFLAGS) -c $*.c

# Remove ramdisk utility under DOS
rmrd.com:	rmrd.S
ifeq ($(ASM),as86)
	gcc $(ASMCFLAGS) -DUSE_AS86 -E -traditional -o rmrd.s rmrd.S
	# -s appears to be necessary to start binary at 0x100
	as86 -0 -b rmrd.com -s rmrd.map rmrd.s
else
	gcc $(ASMCFLAGS) -DUSE_NASM -E -traditional -o rmrd.s rmrd.S
	nasm -f bin rmrd.s -o rmrd.com
endif

# Alternate boot block, taken from netboot mknbi-dos
# Not made by default because not everybody has as86 installed
$(ALTBOOT):	altboot.S
	gcc -E altboot.S > altboot.s
	as86 -s /dev/null -b $(ALTBOOT) altboot.s
	$(RM) altboot.s

$(MANS):	mknbi.pl disnbi.pl Makefile
	pod2man --date=`date +%Y-%m-%d` --release="Mknbi $(VERSION)$(EXTRAVERSION)" --center="Etherboot tools" mknbi.pl > mknbi.1
	pod2man --date=`date +%Y-%m-%d` --release="Mknbi $(VERSION)$(EXTRAVERSION)" --center="Etherboot tools" disnbi.pl > disnbi.1
	pod2man --date=`date +%Y-%m-%d` --release="Mknbi $(VERSION)$(EXTRAVERSION)" --center="Etherboot tools" menuc.pl > menuc.1

$(HTMLS):	mknbi.pl disnbi.pl
	pod2html mknbi.pl > mknbi.html
	pod2html disnbi.pl > disnbi.html
	pod2html menuc.pl > menuc.html

install:	all $(ALTBOOT)
	-mkdir -p $(INSTLIBDIR)
	$(INSTALL) $(PROG) $(INSTLIBDIR)/
	$(INSTALL) -m 644 $(MODULES) $(FIRSTS) $(ALTBOOT) $(RMRD) $(INSTLIBDIR)/
	if [ -e lua-4.0.1/bin/lua ]; then \
		cp -p lua-4.0.1/bin/lua lua; \
	fi
	if [ -e lua ]; then \
		$(INSTALL) -m 644 lua $(INSTLIBDIR)/lua; \
	fi
	-mkdir -p $(BINDIR)
	cd $(BINDIR); \
	for i in linux rom fdos dos menu nfl; \
	do \
		ln -sf ../lib/mknbi/mknbi mknbi-$$i; \
	done; \
	for i in linux img menu nfl lua; \
	do \
		ln -sf ../lib/mknbi/mknbi mkelf-$$i; \
	done
	(cd $(BINDIR); ln -sf ../lib/mknbi/disnbi disnbi)
	(cd $(BINDIR); ln -sf ../lib/mknbi/dismbr dismbr)
	(cd $(BINDIR); ln -sf ../lib/mknbi/disdosbb disdosbb)
	(cd $(BINDIR); ln -sf ../lib/mknbi/nbitoelf nbitoelf)
	-mkdir -p $(MANDIR)
	$(INSTALL) -m 644 mknbi.1 disnbi.1 $(MANDIR)/
	cd $(MANDIR); \
	for i in mkelf mknbi-linux mkelf-linux mknbi-rom mkelf-img mknbi-menu mkelf-menu mknbi-nfl mkelf-nfl mknbi-dos mknbi-fdos mkelf-lua; \
	do \
		ln -sf mknbi.1 $$i.1; \
	done
	-mkdir -p $(DOCDIR)
	$(INSTALL) -m 644 COPYING README LOG spec.txt $(DOCDIR)/

tarball:
	mkdir -p luabuild
	-diff -ur --exclude='*.a' --exclude='*.o' --exclude='*.map' --unidirectional-new-file /usr/local/src/lua-4.0.1 lua-4.0.1 > luabuild/luapatch.txt
	(cd ..; tar zcf /tmp/mknbi-$(TARVERSION).tar.gz --exclude CVS --exclude lua-4.0.1 mknbi-$(TARVERSION))

clean:
	$(RM) -f $(PROG) start32*.o first32*.o \
	printf.o menu.o menu-simple.o nfl.o startmenu.o \
	bootmenu.o md5.o misc.o serial.o ansiesc.o string.o memsizes.o \
	first-dos.s first-fdos.s rmrd.s rmrd.map *.l pod2htm*

realclean:	clean
	$(RM) -f $(FIRSTS) $(RMRD) $(DOCS)
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