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      1 #	$NetBSD: Makefile.bootxx,v 1.4 2013/08/21 07:08:30 matt Exp $
      2 
      3 PROG?=		bootxx_${FS}
      4 
      5 BOOTXX_SECTORS?= 15
      6 BOOTXX_MAXSIZE?= (( ${BOOTXX_SECTORS} * 512 ))
      7 
      8 SRCS=		pbr.S label.S bootxx.S boot1.c
      9 
     10 .if ${FS} == ustarfs
     11 SRCS+=		bios.S
     12 .endif
     13 
     14 LDFLAGS+=	-e start
     15 
     16 CFLAGS=
     17 CPPFLAGS+=	-DBOOTXX
     18 CPPFLAGS+=	-DBOOTXX_SECTORS=${BOOTXX_SECTORS}
     19 CPPFLAGS+=	-DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS}
     20 CPPFLAGS+=	-DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}
     21 CPPFLAGS+=	-DXXfs_open=${FS}_open
     22 CPPFLAGS+=	-DXXfs_close=${FS}_close
     23 CPPFLAGS+=	-DXXfs_read=${FS}_read
     24 CPPFLAGS+=	-DXXfs_stat=${FS}_stat
     25 CPPFLAGS+=	-DFS=${FS}
     26 
     27 CPPFLAGS+= -DLIBSA_SINGLE_FILESYSTEM=xxfs \
     28 		-DLIBSA_NO_TWIDDLE \
     29 		-DLIBSA_NO_FD_CHECKING \
     30 		-DLIBSA_NO_RAW_ACCESS \
     31 		-DLIBSA_NO_FS_WRITE \
     32 		-DLIBSA_NO_FS_SEEK \
     33 		-DLIBSA_SINGLE_DEVICE=blkdev \
     34 		-DLIBKERN_OPTIMISE_SPACE \
     35 		-D"blkdevioctl(x,y,z)=EINVAL" \
     36 		-D"blkdevclose(f)=0" \
     37 		-D"devopen(f,n,fl)=(*(fl)=(void *)n,0)" \
     38 		-DLIBSA_NO_DISKLABEL_MSGS
     39 
     40 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
     41 
     42 .include "../Makefile.bootprogs"
     43 
     44 LIBLIST=	${LIBSA} ${LIBKERN}
     45 
     46 CLEANFILES+=	${PROG}.sym ${PROG}.map
     47 
     48 ${PROG}: ${OBJS} ${LIBLIST}
     49 	${_MKTARGET_LINK}
     50 	${LD} -o ${PROG}.sym ${LDFLAGS} -Ttext ${PRIMARY_LOAD_ADDRESS} \
     51 		-Map ${PROG}.map -cref ${OBJS} ${LIBLIST}
     52 	${OBJCOPY} -O binary ${PROG}.sym ${PROG}
     53 	@ sz=$$(ls -ln ${PROG} | tr -s ' ' | cut -d' ' -f5); \
     54 	if [ "$$sz" -gt "$$${BOOTXX_MAXSIZE}" ]; then \
     55 		echo "### ${PROG} size $$sz is larger than ${BOOTXX_MAXSIZE}" >&2 \
     56 		rm -f ${PROG}; \
     57 		! :; \
     58 	else \
     59 		: pad to sector boundary; \
     60 		pad=$$(( 512 - ( $$sz & 511 ) )); \
     61 		[ $$pad = 512 ] || \
     62 		    dd if=/dev/zero bs=1 count=$$pad >>${PROG} 2>/dev/null; \
     63 		echo "${PROG} size $$sz, $$((${BOOTXX_MAXSIZE} - $$sz)) free"; \
     64 	fi
     65 
     66 .include <bsd.prog.mk>
     67