Makefile.bootfloppy revision 1.3
1 # $NetBSD: Makefile.bootfloppy,v 1.3 2002/02/26 22:52:10 lukem Exp $ 2 3 # TOP is assumed to be defined by Makefile including this one. 4 5 IMAGE?= boot-xxx.fs 6 FSTMP= ustar.tmp 7 MDEC= ${DESTDIR}/usr/mdec 8 BOOTCODE?= ${MDEC}/biosboot.sym 9 #BOOTCODE= ${MDEC}/biosboot_com0.sym # Serial output 10 11 DISKSIZE?= 2880 12 13 CLEANFILES+= netbsd boot ustar.tmp ${METAFILE} 14 15 realall: netbsd boot 16 if test "${METAFILE}" != ""; then \ 17 touch ${METAFILE}; \ 18 fi 19 ${PAX} -wvf ${FSTMP} boot ${METAFILE} netbsd 20 @echo 21 @echo Making disk number one 22 rm -rf empty 23 mkdir -m 755 empty 24 ${MAKEFS} -s ${DISKSIZE}b ${IMAGE}.tmp empty 25 dd bs=8k seek=1 count=$$((${DISKSIZE} / 16 - 1)) \ 26 if=${FSTMP} of=${IMAGE}.tmp 27 @echo "installing new bootblocks" 28 ${MDEC}/installboot -b 17 -v -f ${BOOTCODE} ${IMAGE}.tmp 29 @ls -l ${FSTMP} | (read mode links uid gid size junk; \ 30 dksize=$$((${DISKSIZE} * 512 - 8 * 1024)); \ 31 disks=$$(($$size / $$dksize + 1)); \ 32 if test $$size -gt $$dksize; then \ 33 bytes=$$(($$size - $$dksize)); \ 34 echo "Image is $$bytes ($$(($$bytes / 1024))K) too big\ 35 to fit on one disk."; \ 36 exit 1; \ 37 else \ 38 dd seek=$$(($${size} / 512 + 15)) count=1 \ 39 if=/dev/zero of=${IMAGE}.tmp; \ 40 fi; \ 41 echo; \ 42 bytes=$$(($$dksize * $$disks - $$size)); \ 43 if test "${PAD}" = "yes"; then \ 44 size=$$(($$size + 8 * 1024)); \ 45 echo "Padding image with $$bytes bytes from $$size"; \ 46 sectors=$$(($$bytes / 512)); \ 47 ssize=$$(($$size / 512)); \ 48 dd if=/dev/zero bs=512 seek=$${ssize} of=${IMAGE}.tmp \ 49 count=$${sectors}; \ 50 else \ 51 echo "There are $$bytes ($$(($$bytes / 1024))K) bytes\ 52 free on disk $$disks."; \ 53 fi; \ 54 ) 55 mv -f ${IMAGE}.tmp ${IMAGE} 56 57 # Let the kernel on the diskette be called "netbsd" although 58 # it is compressed. This is because the boot code will search 59 # for "netbsd" first, and calling it "netbsd" instead of "netbsd.gz" 60 # we avoid scanning all the diskettes before reading the file. 61 62 netbsd: ${KERN} 63 rm -f netbsd 64 cp ${KERN} netbsd 65 66 # This is "cheating", just so that we have the available 67 # space at the start of the tar file. Installboot will overwrite 68 # the start of the bootcode with the tail end of the "real", aligned 69 # second-stage boot loader when it is run (which is quite a bit shorter 70 # than the entire ${BOOTCODE} file, even when symbols are removed. 71 # (the first 15*512 bytes are put into the first 8K filesystem block, 72 # around the disklabel) 73 74 boot: ${BOOTCODE} 75 rm -f boot 76 cp ${BOOTCODE} boot 77 ${STRIP} boot 78 79 release: check_RELEASEDIR 80 -mkdir -p ${RELEASEDIR}/installation/floppy 81 cp -p ${IMAGE} ${RELEASEDIR}/installation/floppy 82 83 clean cleandir distclean: 84 rm -f *.core ${CLEANFILES} ${IMAGE} ${IMAGE}.tmp 85 rm -rf empty 86 87 .include <bsd.own.mk> 88 .include <bsd.obj.mk> 89 .include <bsd.subdir.mk> 90
Indexes created Tue Oct 21 06:10:07 GMT 2025