#	$NetBSD: Makefile.bootxx,v 1.4 2013/08/21 07:08:30 matt Exp $

PROG?=		bootxx_${FS}

BOOTXX_SECTORS?= 15
BOOTXX_MAXSIZE?= (( ${BOOTXX_SECTORS} * 512 ))

SRCS=		pbr.S label.S bootxx.S boot1.c

.if ${FS} == ustarfs
SRCS+=		bios.S
.endif

LDFLAGS+=	-e start

CFLAGS=
CPPFLAGS+=	-DBOOTXX
CPPFLAGS+=	-DBOOTXX_SECTORS=${BOOTXX_SECTORS}
CPPFLAGS+=	-DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
CPPFLAGS+=	-DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
CPPFLAGS+=	-DXXfs_open=${FS}_open
CPPFLAGS+=	-DXXfs_close=${FS}_close
CPPFLAGS+=	-DXXfs_read=${FS}_read
CPPFLAGS+=	-DXXfs_stat=${FS}_stat
CPPFLAGS+=	-DFS=${FS}

CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
		-DLIBSA_NO_TWIDDLE \
		-DLIBSA_NO_FD_CHECKING \
		-DLIBSA_NO_RAW_ACCESS \
		-DLIBSA_NO_FS_WRITE \
		-DLIBSA_NO_FS_SEEK \
		-DLIBSA_SINGLE_DEVICE=blkdev \
		-DLIBKERN_OPTIMISE_SPACE \
		-D"blkdevioctl(x,y,z)=EINVAL" \
		-D"blkdevclose(f)=0" \
		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
		-DLIBSA_NO_DISKLABEL_MSGS

SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"

.include "../Makefile.bootprogs"

LIBLIST=	${LIBSA} ${LIBKERN}

CLEANFILES+=	${PROG}.sym ${PROG}.map

${PROG}: ${OBJS} ${LIBLIST}
	${_MKTARGET_LINK}
	${LD} -o ${PROG}.sym ${LDFLAGS} -Ttext ${PRIMARY_LOAD_ADDRESS} \
		-Map ${PROG}.map -cref ${OBJS} ${LIBLIST}
	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
	@ sz=$$(ls -ln ${PROG} | tr -s ' ' | cut -d' ' -f5); \
	if [ "$$sz" -gt "$$${BOOTXX_MAXSIZE}" ]; then \
		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2 \
		rm -f ${PROG}; \
		! :; \
	else \
		: pad to sector boundary; \
		pad=$$(( 512 - ( $$sz & 511 ) )); \
		[ $$pad = 512 ] || \
		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
	fi

.include <bsd.prog.mk>