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1 # $FreeBSD$

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"

8 DTC?= dtc

10 .if !defined(SYSDIR)

11 .if defined(S)

12 SYSDIR= ${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/)

17 SYSDIR= ${_dir:tA}

18 .endif

19 .endfor

20 .endif # defined(S)

21 .endif # defined(SYSDIR)

23 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)

24 .error "can't find kernel source tree"

25 .endif

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"

31 DTB+= ${_dts:R:S/$/.dtb/}

32 .else

33 DTB+= ${_dts:T:R:S/$/.dtb/}

34 .endif

35 .endfor

37 DTBO=${DTSO:T:R:S/$/.dtbo/}

39 .SUFFIXES: .dtb .dts .dtbo .dtso

40 .PATH.dts: ${SYSDIR}/gnu/dts/${MACHINE} ${SYSDIR}/dts/${MACHINE}

41 .PATH.dtso: ${SYSDIR}/dts/${MACHINE}/overlays

43 .export DTC ECHO

45 .dts.dtb: ${OP_META}

46 @${ECHO} Generating ${.TARGET} from ${.IMPSRC}

47 @${SYSDIR}/tools/fdt/make_dtb.sh ${SYSDIR} ${.IMPSRC} ${.OBJDIR}

49 .dtso.dtbo: ${OP_META}

50 @${ECHO} Generating ${.TARGET} from ${.IMPSRC}

51 @${SYSDIR}/tools/fdt/make_dtbo.sh ${SYSDIR} ${.IMPSRC} ${.OBJDIR}

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

59 .for _dtso in ${DTSO}

60 ${_dtso:R:T}.dtbo: ${_dtso}

61 .endfor

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