#	$NetBSD: Makefile.booters,v 1.96 2023/06/03 08:52:56 lukem Exp $

NOLIBCSANITIZER=
NOSANITIZER=
.include <bsd.own.mk>

STRIPFLAG=
BINMODE=444

LIBCRT0=	# nothing
LIBCRTI=	# 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 -march=i386 -mtune=i386
.else
CPUFLAGS=  -march=i386 -mtune=i386
.endif
COPTS=	${OPT_SIZE.${ACTIVE_CC}}

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} ${BASE}.list

### 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: .WAIT cleanlibdir

cleanlibdir:
	-rm -rf lib

LDFLAGS+=-Wl,-z,noseparate-code -Wl,-M -Wl,-e,start 	# -N does not work properly.

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

VERSIONMACHINE=x86
.include "${S}/conf/newvers_stand.mk"

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 && false )
	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

CWARNFLAGS.gcc+=	${CC_WNO_ADDRESS_OF_PACKED_MEMBER}

.include <bsd.prog.mk>
KLINK_MACHINE=	i386
.include <bsd.klinks.mk>