FreeBSD/Linux Kernel Cross Reference
sys/conf/dtb.mk
1 # $FreeBSD: releng/12.0/sys/conf/dtb.mk 340362 2018-11-12 15:18:09Z kevans $
2 #
3 # The include file <dtb.mk> handles building and installing dtb files.
4 #
5 # +++ variables +++
6 #
7 # DTC The Device Tree Compiler to use
8 #
9 # DTS List of the dts files to build and install.
10 #
11 # DTBDIR Base path for dtb modules [/boot/dtb]
12 #
13 # DTBOWN .dtb file owner. [${BINOWN}]
14 #
15 # DTBGRP .dtb file group. [${BINGRP}]
16 #
17 # DTBMODE Module file mode. [${BINMODE}]
18 #
19 # DESTDIR The tree where the module gets installed. [not set]
20 #
21 # +++ targets +++
22 #
23 # install:
24 # install the kernel module; if the Makefile
25 # does not itself define the target install, the targets
26 # beforeinstall and afterinstall may also be used to cause
27 # actions immediately before and after the install target
28 # is executed.
29 #
30
31 .include <bsd.init.mk>
32 # Grab all the options for a kernel build. For backwards compat, we need to
33 # do this after bsd.own.mk.
34 .include "kern.opts.mk"
35
36 DTC?= dtc
37
38 # Search for kernel source tree in standard places.
39 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
40 .if !defined(SYSDIR) && exists(${_dir}/kern/)
41 SYSDIR= ${_dir:tA}
42 .endif
43 .endfor
44 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
45 .error "can't find kernel source tree"
46 .endif
47
48 .SUFFIXES: .dtb .dts .dtbo .dtso
49
50 .PATH: ${SYSDIR}/gnu/dts/${MACHINE} ${SYSDIR}/dts/${MACHINE} ${SYSDIR}/dts/${MACHINE}/overlays
51
52 DTB=${DTS:R:S/$/.dtb/}
53 DTBO=${DTSO:R:S/$/.dtbo/}
54
55 all: ${DTB} ${DTBO}
56
57 .if defined(DTS)
58 .export DTC
59 .for _dts in ${DTS}
60 ${_dts:R:S/$/.dtb/}: ${_dts} ${OP_META}
61 @${ECHO} Generating ${.TARGET} from ${_dts}
62 @env ECHO=${ECHO} ${SYSDIR}/tools/fdt/make_dtb.sh ${SYSDIR} ${_dts} ${.OBJDIR}
63 CLEANFILES+=${_dts:R:S/$/.dtb/}
64 .endfor
65 .endif
66
67 .if defined(DTSO)
68 .export DTC
69 .for _dtso in ${DTSO}
70 ${_dtso:R:S/$/.dtbo/}: ${_dtso} ${OP_META}
71 @${ECHO} Generating ${.TARGET} from ${_dtso}
72 @env ECHO=${ECHO} ${SYSDIR}/tools/fdt/make_dtbo.sh ${SYSDIR} overlays/${_dtso} ${.OBJDIR}
73 CLEANFILES+=${_dtso:R:S/$/.dtbo/}
74 .endfor
75 .endif
76
77 .if !target(install)
78 .if !target(realinstall)
79 realinstall: _dtbinstall
80 .ORDER: beforeinstall _kmodinstall
81 _dtbinstall:
82 # Need to create this because installkernel doesn't invoke mtree with BSD.root.mtree
83 # to make sure the tree is setup properly. We don't recreate it to avoid duplicate
84 # entries in the NO_ROOT case.
85 test -d ${DESTDIR}${DTBDIR} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBDIR}
86 .for _dtb in ${DTB}
87 .if ${MACHINE_CPUARCH} == "aarch64"
88 test -d ${DESTDIR}${DTBDIR}/${_dtb:H} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBDIR}/${_dtb:H}
89 ${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \
90 ${_INSTALLFLAGS} ${_dtb:T} ${DESTDIR}${DTBDIR}/${_dtb:H}
91 .else
92 ${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \
93 ${_INSTALLFLAGS} ${_dtb} ${DESTDIR}${DTBDIR}/
94 .endif
95 .endfor
96 test -d ${DESTDIR}${DTBODIR} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBODIR}
97 .for _dtbo in ${DTBO}
98 ${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \
99 ${_INSTALLFLAGS} ${_dtbo} ${DESTDIR}${DTBODIR}/
100 .endfor
101 .endif # !target(realinstall)
102 .endif # !target(install)
103
104 .include <bsd.dep.mk>
105 .include <bsd.obj.mk>
106 .include <bsd.links.mk>
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