1# $FreeBSD$ 2 3.include <bsd.init.mk> 4# Grab all the options for a kernel build. For backwards compat, we need to 5# do this after bsd.own.mk. 6.include "kern.opts.mk" 7 8DTC?= dtc 9 10.if !defined(SYSDIR) 11.if defined(S) 12SYSDIR= ${S} 13.else 14# Search for kernel source tree in standard places. 15.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 16.if exists(${_dir}/kern/) 17SYSDIR= ${_dir:tA} 18.endif 19.endfor 20.endif # defined(S) 21.endif # defined(SYSDIR) 22 23.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 24.error "can't find kernel source tree" 25.endif 26 27.for _dts in ${DTS} 28# DTB for aarch64 needs to preserve the immediate parent of the .dts, because 29# these DTS are vendored and should be installed into their vendored directory. 30.if ${MACHINE_ARCH} == "aarch64" 31DTB+= ${_dts:R:S/$/.dtb/} 32.else 33DTB+= ${_dts:T:R:S/$/.dtb/} 34.endif 35.endfor 36 37DTBO=${DTSO:T:R:S/$/.dtbo/} 38 39.SUFFIXES: .dtb .dts .dtbo .dtso 40.PATH.dts: ${SYSDIR}/gnu/dts/${MACHINE} ${SYSDIR}/dts/${MACHINE} 41.PATH.dtso: ${SYSDIR}/dts/${MACHINE}/overlays 42 43.export DTC ECHO 44 45.dts.dtb: ${OP_META} 46 @${ECHO} Generating ${.TARGET} from ${.IMPSRC} 47 @${SYSDIR}/tools/fdt/make_dtb.sh ${SYSDIR} ${.IMPSRC} ${.OBJDIR} 48 49.dtso.dtbo: ${OP_META} 50 @${ECHO} Generating ${.TARGET} from ${.IMPSRC} 51 @${SYSDIR}/tools/fdt/make_dtbo.sh ${SYSDIR} ${.IMPSRC} ${.OBJDIR} 52 53# Add dependencies on the source file so that out-of-tree things can be included 54# without any .PATH additions. 55.for _dts in ${DTS} ${FDT_DTS_FILE} 56${_dts:R:T}.dtb: ${_dts} 57.endfor 58 59.for _dtso in ${DTSO} 60${_dtso:R:T}.dtbo: ${_dtso} 61.endfor 62 63_dtbinstall: 64# Need to create this because installkernel doesn't invoke mtree with BSD.root.mtree 65# to make sure the tree is setup properly. We don't recreate it to avoid duplicate 66# entries in the NO_ROOT case. 67 test -d ${DESTDIR}${DTBDIR} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBDIR} 68.for _dtb in ${DTB} 69.if ${MACHINE_CPUARCH} == "aarch64" 70 # :H:T here to grab the vendor component of the DTB path in a way that 71 # allows out-of-tree DTS builds, too. We make the assumption that 72 # out-of-tree DTS will have a similar directory structure to in-tree, 73 # with .dts files appearing in a vendor/ directory. 74 test -d ${DESTDIR}${DTBDIR}/${_dtb:H:T} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBDIR}/${_dtb:H:T} 75 ${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \ 76 ${_INSTALLFLAGS} ${_dtb:T} ${DESTDIR}${DTBDIR}/${_dtb:H:T} 77.else 78 ${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \ 79 ${_INSTALLFLAGS} ${_dtb} ${DESTDIR}${DTBDIR}/ 80.endif 81.endfor 82 test -d ${DESTDIR}${DTBODIR} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBODIR} 83.for _dtbo in ${DTBO} 84 ${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \ 85 ${_INSTALLFLAGS} ${_dtbo} ${DESTDIR}${DTBODIR}/ 86.endfor 87