57 lines
1.9 KiB
Makefile
57 lines
1.9 KiB
Makefile
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# $NetBSD: Makefile.minirootkmod,v 1.1 2012/10/16 08:19:36 apb Exp $
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#
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# Makefile snippet to build a miniroot kernel module (e.g. miniroot.kmod)
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#
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# Required variables:
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# NETBSDSRCDIR top level of src tree (set by <bsd.own.mk>)
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#
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# Optional variables:
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# MINIROOT Basename of the kernel module to be created.
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# ".kmod" will be appended to get the file name.
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# [default: miniroot]
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# RAMDISK Basename of the ramdisk to be embedded in the
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# kernel module. This is used as both a directory
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# name (${.CURDIR}/../ramdisks/${RAMDISK}) and
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# as a file name within the .OBJDIR of that
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# directory (${RAMDISK}.fs). [default: ramdisk]
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#
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MINIROOT?= miniroot
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RAMDISK?= ramdisk
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.include <bsd.own.mk>
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.include "${.PARSEDIR}/Makefile.distrib"
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MKMAN= no
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PROG= ${MINIROOT}.kmod
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# SRCMOD is a skeleton version of miniroot.kmod, without an embedded ramdisk.
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# It should already have been created by "make install" in
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# .../sys/modules/miniroot, and its name includes literal "miniroot",
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# not variable ${MINIROOT}.
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#
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# DSTMOD is a copy of SRCMOD that is modified to include an embedded ramdisk.
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# It will be created by rules in this Makefile.
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#
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# RAMDISKFS is the ramdisk image to be included inside DSTMOD. It should
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# already have been created by the Makefile in RAMDISKSRCDIR.
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#
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SRCMOD= ${DESTDIR}/stand/${MACHINE}/${MODULEVER}/modules/miniroot/miniroot.kmod
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DSTMOD= ${.OBJDIR}/${MINIROOT}.kmod
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RAMDISKSRCDIR= ${.CURDIR}/../ramdisks/${RAMDISK}
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RAMDISKOBJDIR!= cd ${RAMDISKSRCDIR} && ${PRINTOBJDIR}
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RAMDISKFS= ${RAMDISKOBJDIR}/${RAMDISK}.fs
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${MINIROOT}.kmod: ${RAMDISKFS} ${SRCMOD}
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${OBJCOPY} --add-section miniroot=${RAMDISKFS} \
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--set-section-flags miniroot=alloc,contents,load,data \
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${SRCMOD} ${DSTMOD}.tmp
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gzip -9nc < ${DSTMOD}.tmp > ${DSTMOD}
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rm -f ${DSTMOD}.tmp
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.include <bsd.prog.mk>
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release: ${PROG}
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${HOST_INSTALL_FILE} -m ${BINMODE} ${PROG} \
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${RELEASEDIR}/${RELEASEMACHINEDIR}/installation/miniroot/
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