xref: /freebsd/sys/conf/dtb.mk (revision 93e779a26c651610ac6e7986d67ecc9ed2cadcbf)
1# $FreeBSD$
2#
3# The include file <dtb.mk> handles building and installing dtb files.
4#
5# +++ variables +++
6#
7# DTS		List of the dts files to build and install.
8#
9# DTBDIR	Base path for dtb modules [/boot/dtb]
10#
11# DTBOWN	.dtb file owner. [${BINOWN}]
12#
13# DTBGRP	.dtb file group. [${BINGRP}]
14#
15# DTBMODE	Module file mode. [${BINMODE}]
16#
17# DESTDIR	The tree where the module gets installed. [not set]
18#
19# +++ targets +++
20#
21# 	install:
22#               install the kernel module; if the Makefile
23#               does not itself define the target install, the targets
24#               beforeinstall and afterinstall may also be used to cause
25#               actions immediately before and after the install target
26#		is executed.
27#
28
29.include <bsd.init.mk>
30# Grab all the options for a kernel build. For backwards compat, we need to
31# do this after bsd.own.mk.
32.include "kern.opts.mk"
33
34# Search for kernel source tree in standard places.
35.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
36.if !defined(SYSDIR) && exists(${_dir}/kern/)
37SYSDIR=	${_dir}
38.endif
39.endfor
40.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
41.error "can't find kernel source tree"
42.endif
43
44.SUFFIXES: .dtb .dts
45
46.PATH: ${SYSDIR}/gnu/dts/${MACHINE} ${SYSDIR}/boot/fdt/dts/${MACHINE}
47
48DTB=${DTS:R:S/$/.dtb/}
49
50all: ${DTB}
51
52.if defined(DTS)
53.for _dts in ${DTS}
54${_dts:R:S/$/.dtb/}:	${_dts}
55	@echo Generating ${.TARGET} from ${_dts}
56	@${SYSDIR}/tools/fdt/make_dtb.sh ${SYSDIR} ${_dts} ${.OBJDIR}
57CLEANFILES+=${_dts:R:S/$/.dtb/}
58.endfor
59.endif
60
61.if !target(install)
62.if !target(realinstall)
63realinstall: _dtbinstall
64.ORDER: beforeinstall _kmodinstall
65_dtbinstall:
66# Need to create this because installkernel doesn't invoke mtree with BSD.root.mtree
67# to make sure the tree is setup properly. We don't recreate it to avoid duplicate
68# entries in the NO_ROOT case.
69	test -d ${DESTDIR}${DTBDIR} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBDIR}
70.for _dtb in ${DTB}
71	${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \
72	    ${_INSTALLFLAGS} ${_dtb} ${DESTDIR}${DTBDIR}/
73.endfor
74.endif # !target(realinstall)
75.endif # !target(install)
76
77.include <bsd.dep.mk>
78.include <bsd.obj.mk>
79