90 lines
2.7 KiB
Makefile
90 lines
2.7 KiB
Makefile
# $NetBSD: Makefile.bootfloppy,v 1.3 2002/02/26 22:52:10 lukem Exp $
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# TOP is assumed to be defined by Makefile including this one.
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IMAGE?= boot-xxx.fs
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FSTMP= ustar.tmp
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MDEC= ${DESTDIR}/usr/mdec
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BOOTCODE?= ${MDEC}/biosboot.sym
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#BOOTCODE= ${MDEC}/biosboot_com0.sym # Serial output
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DISKSIZE?= 2880
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CLEANFILES+= netbsd boot ustar.tmp ${METAFILE}
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realall: netbsd boot
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if test "${METAFILE}" != ""; then \
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touch ${METAFILE}; \
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fi
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${PAX} -wvf ${FSTMP} boot ${METAFILE} netbsd
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@echo
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@echo Making disk number one
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rm -rf empty
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mkdir -m 755 empty
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${MAKEFS} -s ${DISKSIZE}b ${IMAGE}.tmp empty
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dd bs=8k seek=1 count=$$((${DISKSIZE} / 16 - 1)) \
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if=${FSTMP} of=${IMAGE}.tmp
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@echo "installing new bootblocks"
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${MDEC}/installboot -b 17 -v -f ${BOOTCODE} ${IMAGE}.tmp
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@ls -l ${FSTMP} | (read mode links uid gid size junk; \
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dksize=$$((${DISKSIZE} * 512 - 8 * 1024)); \
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disks=$$(($$size / $$dksize + 1)); \
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if test $$size -gt $$dksize; then \
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bytes=$$(($$size - $$dksize)); \
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echo "Image is $$bytes ($$(($$bytes / 1024))K) too big\
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to fit on one disk."; \
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exit 1; \
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else \
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dd seek=$$(($${size} / 512 + 15)) count=1 \
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if=/dev/zero of=${IMAGE}.tmp; \
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fi; \
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echo; \
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bytes=$$(($$dksize * $$disks - $$size)); \
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if test "${PAD}" = "yes"; then \
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size=$$(($$size + 8 * 1024)); \
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echo "Padding image with $$bytes bytes from $$size"; \
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sectors=$$(($$bytes / 512)); \
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ssize=$$(($$size / 512)); \
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dd if=/dev/zero bs=512 seek=$${ssize} of=${IMAGE}.tmp \
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count=$${sectors}; \
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else \
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echo "There are $$bytes ($$(($$bytes / 1024))K) bytes\
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free on disk $$disks."; \
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fi; \
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)
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mv -f ${IMAGE}.tmp ${IMAGE}
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# Let the kernel on the diskette be called "netbsd" although
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# it is compressed. This is because the boot code will search
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# for "netbsd" first, and calling it "netbsd" instead of "netbsd.gz"
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# we avoid scanning all the diskettes before reading the file.
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netbsd: ${KERN}
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rm -f netbsd
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cp ${KERN} netbsd
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# This is "cheating", just so that we have the available
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# space at the start of the tar file. Installboot will overwrite
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# the start of the bootcode with the tail end of the "real", aligned
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# second-stage boot loader when it is run (which is quite a bit shorter
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# than the entire ${BOOTCODE} file, even when symbols are removed.
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# (the first 15*512 bytes are put into the first 8K filesystem block,
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# around the disklabel)
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boot: ${BOOTCODE}
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rm -f boot
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cp ${BOOTCODE} boot
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${STRIP} boot
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release: check_RELEASEDIR
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-mkdir -p ${RELEASEDIR}/installation/floppy
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cp -p ${IMAGE} ${RELEASEDIR}/installation/floppy
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clean cleandir distclean:
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rm -f *.core ${CLEANFILES} ${IMAGE} ${IMAGE}.tmp
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rm -rf empty
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.include <bsd.own.mk>
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.include <bsd.obj.mk>
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.include <bsd.subdir.mk>
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