xref: /src/sys/arch/i386/stand/Makefile.booters

#	$NetBSD: Makefile.booters,v 1.74 2008/07/16 00:16:17 perry Exp $

.include <bsd.own.mk>

STRIPFLAG=
BINMODE=444

LIBCRT0=	# nothing
LIBCRTBEGIN=	# nothing
LIBCRTEND=	# nothing
LIBC=		# nothing

# Make sure we override any optimization options specified by the
# user.
.if ${MACHINE_ARCH} == "x86_64"
CPUFLAGS= -m32
.if ${HAVE_GCC} != 3
CPUFLAGS+= -Wno-attributes
.endif
.else
.if ${HAVE_GCC} == 3
CPUFLAGS=  -mcpu=i386
.else
CPUFLAGS=  -march=i386 -mtune=i386 -Wno-attributes
.endif
.endif
COPTS=	-Os -ffreestanding

I386_STAND_DIR?= $S/arch/i386/stand

.PATH: ${I386_STAND_DIR}/lib

ROMSTART= start_rom.o
GENPROMDIR= ${I386_STAND_DIR}/genprom
GENPROMOBJDIR!= cd ${GENPROMDIR} && ${PRINTOBJDIR}
GENPROM= ${GENPROMOBJDIR}/genprom

.PATH: ${I386_STAND_DIR}/lib/crt/dos
DOSSTART= start_dos.o doscommain.o

.PATH: ${I386_STAND_DIR}/lib/crt/pxe
PXESTART= start_pxe.o

CPPFLAGS+= -nostdinc -I${.OBJDIR} -I$S -I${I386_STAND_DIR}/lib -I$S/lib/libsa
CPPFLAGS+= -D_STANDALONE
LDFLAGS+=  -nostdlib

# XXX
.if ${MACHINE_ARCH} == "x86_64"
CPPFLAGS+=-m32
LDFLAGS+=-Wl,-m,elf_i386
LIBKERN_ARCH=i386
KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
.endif

CLEANFILES+= ${STARTFILE} vers.c ${BASE}.list
SRCS+=	vers.c

CLEANFILES+= machine x86

.if !make(obj) && !make(clean) && !make(cleandir)
.BEGIN:
	-rm -f machine && ln -s $S/arch/i386/include machine
	-rm -f x86 && ln -s $S/arch/x86/include x86
.ifdef LIBOBJ
	-rm -f lib && ln -s ${LIBOBJ}/lib lib
	mkdir -p ${LIBOBJ}/lib
.endif
.endif

### find out what to use for libkern
KERN_AS=	library
.include "${S}/lib/libkern/Makefile.inc"
LIBKERN=	${KERNLIB}

### find out what to use for libz
Z_AS=		library
.include "${S}/lib/libz/Makefile.inc"
LIBZ=		${ZLIB}

### find out what to use for libsa
SA_AS=		library
SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
.include "${S}/lib/libsa/Makefile.inc"
LIBSA=		${SALIB}

### find out what to use for libi386
I386DIR= ${I386_STAND_DIR}/lib
.include "${I386DIR}/Makefile.inc"
LIBI386=		${I386LIB}

cleandir distclean: cleanlibdir

cleanlibdir:
	-rm -rf lib

.if ${OBJECT_FMT} == "ELF"
LDFLAGS+=-Wl,-M -Wl,-e,start 	# -N does not work properly.
.else
LDFLAGS+=-Wl,-N -Wl,-M -Wl,-e,_start 
.endif

LIBLIST=${LIBI386} ${LIBSA} ${LIBZ} ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA}

vers.c: ${VERSIONFILE} ${SOURCES} ${S}conf/newvers_stand.sh
	${HOST_SH} ${S}conf/newvers_stand.sh ${.ALLSRC} x86 ${NEWVERSWHAT}

CLEANFILES+= ${BASE}.sym
${BASE}.sym: ${STARTFILE} ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386}
	${_MKTARGET_LINK}
	${CC} -o ${BASE}.sym ${LDFLAGS} -Wl,-Ttext,${RELOC} \
	    ${STARTFILE} ${OBJS} ${LIBLIST} >${BASE}.list

CLEANFILES+= ${BASE}.rom ${BASE}.rom.tmp
${BASE}.rom: ${STARTFILE} ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386}
	${_MKTARGET_LINK}
	${CC} -o ${BASE}.sym ${LDFLAGS} -Wl,-Ttext,${RELOC} \
	    ${STARTFILE} ${OBJS} ${LIBLIST} >${BASE}.list
	${OBJCOPY} -O binary ${BASE}.sym ${BASE}.rom.tmp
	${GENPROM} ${ROM_SIZE} < ${BASE}.rom.tmp > ${BASE}.rom || \
	    rm -f ${BASE}.rom
	rm -f ${BASE}.rom.tmp

CLEANFILES+= ${BASE}.com
${BASE}.com: ${STARTFILE} ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386}
	${_MKTARGET_LINK}
	${CC} -o ${BASE}.sym ${LDFLAGS} -Wl,-Ttext,${RELOC} \
	    ${STARTFILE} ${OBJS} ${LIBLIST} >${BASE}.list
	${OBJCOPY} -O binary ${BASE}.sym ${BASE}.com

CLEANFILES+= ${BASE}.bin
${BASE}.bin: ${STARTFILE} ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386}
	${_MKTARGET_LINK}
	${CC} -o ${BASE}.sym ${LDFLAGS} -Wl,-Ttext,${RELOC} \
	    ${STARTFILE} ${OBJS} ${LIBLIST} > ${BASE}.list
	${OBJCOPY} -O binary ${BASE}.sym ${BASE}.bin

.include <bsd.prog.mk>