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Annotation of src/distrib/common/Makefile.minirootkmod, Revision 1.1.4.3

1.1.4.3 ! tls         1: #      $NetBSD$
1.1.4.2   tls         2: #
                      3: # Makefile snippet to build a miniroot kernel module (e.g. miniroot.kmod)
                      4: #
                      5: # Required variables:
                      6: #      NETBSDSRCDIR    top level of src tree (set by <bsd.own.mk>)
                      7: #
                      8: # Optional variables:
                      9: #      MINIROOT        Basename of the kernel module to be created.
                     10: #                      ".kmod" will be appended to get the file name.
                     11: #                      [default: miniroot]
                     12: #      RAMDISK         Basename of the ramdisk to be embedded in the
                     13: #                      kernel module.  This is used as both a directory
                     14: #                      name (${.CURDIR}/../ramdisks/${RAMDISK}) and
                     15: #                      as a file name within the .OBJDIR of that
                     16: #                      directory (${RAMDISK}.fs).  [default: ramdisk]
                     17: #
                     18:
                     19: MINIROOT?=     miniroot
                     20: RAMDISK?=      ramdisk
                     21:
                     22: .include <bsd.own.mk>
                     23: .include "${.PARSEDIR}/Makefile.distrib"
                     24:
                     25: MKMAN=         no
                     26: PROG=          ${MINIROOT}.kmod
                     27:
                     28: # SRCMOD is a skeleton version of miniroot.kmod, without an embedded ramdisk.
                     29: # It should already have been created by "make install" in
                     30: # .../sys/modules/miniroot, and its name includes literal "miniroot",
                     31: # not variable ${MINIROOT}.
                     32: #
                     33: # DSTMOD is a copy of SRCMOD that is modified to include an embedded ramdisk.
                     34: # It will be created by rules in this Makefile.
                     35: #
                     36: # RAMDISKFS is the ramdisk image to be included inside DSTMOD.  It should
                     37: # already have been created by the Makefile in RAMDISKSRCDIR.
                     38: #
                     39: SRCMOD=                ${DESTDIR}/stand/${MACHINE}/${MODULEVER}/modules/miniroot/miniroot.kmod
                     40: DSTMOD=                ${.OBJDIR}/${MINIROOT}.kmod
                     41: RAMDISKSRCDIR= ${.CURDIR}/../ramdisks/${RAMDISK}
                     42: RAMDISKOBJDIR!=        cd ${RAMDISKSRCDIR} && ${PRINTOBJDIR}
                     43: RAMDISKFS=     ${RAMDISKOBJDIR}/${RAMDISK}.fs
                     44:
                     45: ${MINIROOT}.kmod:      ${RAMDISKFS} ${SRCMOD}
                     46:                ${OBJCOPY} --add-section miniroot=${RAMDISKFS} \
                     47:                    --set-section-flags miniroot=alloc,contents,load,data \
                     48:                    ${SRCMOD} ${DSTMOD}.tmp
1.1.4.3 ! tls        49:                ${TOOL_GZIP_N} -9c < ${DSTMOD}.tmp > ${DSTMOD}
1.1.4.2   tls        50:                rm -f ${DSTMOD}.tmp
                     51:
                     52: .include <bsd.prog.mk>
                     53:
                     54: release:       ${PROG}
                     55:                ${HOST_INSTALL_FILE} -m ${BINMODE} ${PROG}  \
                     56:                    ${RELEASEDIR}/${RELEASEMACHINEDIR}/installation/miniroot/

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