1 # From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
2 # $FreeBSD: src/sys/conf/kmod.mk,v 1.82.2.15 2003/02/10 13:11:50 nyan Exp $
4 # The include file <bsd.kmod.mk> handles installing Kernel Loadable Device
9 # CLEANFILES Additional files to remove for the clean and cleandir targets.
11 # KMOD The name of the kernel module to build.
13 # KMODDIR Base path for kernel modules (see kld(4)).
14 # [${DESTKERNDIR}/${DESTMODULESNAME}]
16 # KMODOWN KLD owner. [${BINOWN}]
18 # KMODGRP KLD group. [${BINGRP}]
20 # KMODMODE KLD mode. [${BINMODE}]
22 # KMODLOAD Command to load a kernel module [/sbin/kldload]
24 # KMODUNLOAD Command to unload a kernel module [/sbin/kldunload]
26 # PROG The name of the kernel module to build.
27 # If not supplied, ${KMOD}.o is used.
29 # SRCS List of source files
31 # DESTKERNDIR Change the tree where the kernel and the modules get
32 # installed. [/boot] ${DESTDIR} changes the root of the tree
33 # pointed to by ${DESTKERNDIR}.
35 # MFILES Optionally a list of interfaces used by the module.
36 # This file contains a default list of interfaces.
38 # FIRMWS Firmware module in the form filename:shortname:version
43 # install the kernel module and its manual pages; if the Makefile
44 # does not itself define the target install, the targets
45 # beforeinstall and afterinstall may also be used to cause
46 # actions immediately before and after the install target
55 # bsd.obj.mk: clean, cleandir and obj
56 # bsd.dep.mk: cleandepend, depend and tags
60 KMODLOAD?= /sbin/kldload
61 KMODUNLOAD?= /sbin/kldunload
63 KMODDIR?= ${DESTKERNDIR}/${DESTMODULESNAME}
68 .include <bsd.init.mk>
70 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
72 CFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS}
75 # Don't use any standard include directories.
76 # Since -nostdinc will annull any previous -I paths, we repeat all
77 # such paths after -nostdinc. It doesn't seem to be possible to
78 # add to the front of `make' variable.
80 # Don't use -I- anymore, source-relative includes are desireable.
81 _ICFLAGS:= ${CFLAGS:M-I*}
82 CFLAGS+= -nostdinc ${_ICFLAGS}
84 # Add -I paths for system headers. Individual KLD makefiles don't
85 # need any -I paths for this. Similar defaults for .PATH can't be
86 # set because there are no standard paths for non-headers.
88 # NOTE! Traditional architecture paths such as <i386/i386/blah.h>
89 # must run through the "machine_base" softlink using
90 # <machine_base/i386/blah.h>. An explicit cross-architecture path must
91 # operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h>
95 # Add -I paths for headers in the kernel build directory
97 .if defined(BUILDING_WITH_KERNEL)
98 CFLAGS+= -I${BUILDING_WITH_KERNEL}
99 _MACHINE_FWD= ${BUILDING_WITH_KERNEL}
101 .if defined(MAKEOBJDIRPREFIX)
102 _MACHINE_FWD= ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH}
104 _MACHINE_FWD= ${.OBJDIR}/forwarder_${MACHINE_ARCH}
105 CLEANDIRS+= ${_MACHINE_FWD}
108 CFLAGS+= -I${_MACHINE_FWD}/include
109 .include "kern.fwd.mk"
111 # Add a -I path to standard headers like <stddef.h>. Use a relative
112 # path to src/include if possible. If the @ symlink hasn't been built
113 # yet, then we can't tell if the relative path exists. Add both the
114 # potential relative path and an absolute path in that case.
116 .if exists(@/../include)
117 CFLAGS+= -I@/../include
119 CFLAGS+= -I${DESTDIR}/usr/include
122 CFLAGS+= -I@/../include -I${DESTDIR}/usr/include
125 .if defined(BUILDING_WITH_KERNEL) && \
126 exists(${BUILDING_WITH_KERNEL}/opt_global.h)
127 CFLAGS+= -include ${BUILDING_WITH_KERNEL}/opt_global.h
130 CFLAGS+= ${DEBUG_FLAGS}
131 .if ${MACHINE_ARCH} == x86_64
132 CFLAGS+= -fno-omit-frame-pointer
135 .include <bsd.patch.mk>
142 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk
144 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
145 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
147 SRCS+= ${KMOD:S/$/.c/}
148 CLEANFILES+= ${KMOD:S/$/.c/}
150 .for _firmw in ${FIRMWS}
151 ${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//}
152 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
153 @if [ -e ${_firmw:C/\:.*$//} ]; then \
154 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
155 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
157 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
158 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
159 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
160 rm ${_firmw:C/\:.*$//}; \
163 OBJS+= ${_firmw:C/\:.*$/.fwo/}
167 OBJS+= ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
173 .if ${MACHINE_ARCH} != x86_64
175 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
178 .if ${MACHINE_ARCH} != x86_64
180 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
183 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
186 # links to platform and cpu architecture include files. If we are
187 # building with a kernel these already exist in the kernel build dir.
188 # '@' is a link to the system source.
189 .if defined(BUILDING_WITH_KERNEL)
192 _ILINKS=@ machine_base machine cpu_base cpu
199 all: objwarn fwheaders ${PROG}
201 beforedepend: fwheaders
202 fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE}
203 # Ensure that the links exist without depending on it when it exists which
204 # causes all the modules to be rebuilt when the directory pointed to changes.
205 .for _link in ${_ILINKS}
206 .if !exists(${.OBJDIR}/${_link})
211 # Search for kernel source tree in standard places.
212 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
213 .if !defined(SYSDIR) && exists(${_dir}/kern/)
217 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
218 .error "can't find kernel source tree"
222 # path=`(cd $$path && /bin/pwd)` ;
225 @case ${.TARGET} in \
227 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \
229 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \
231 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \
233 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \
237 path=${.CURDIR}/${MACHINE_ARCH} ;; \
239 ${ECHO} ${.TARGET} "->" $$path ; \
240 ${LN} -s $$path ${.TARGET}
242 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
246 _INSTALLFLAGS:= ${INSTALLFLAGS}
247 .for ie in ${INSTALLFLAGS_EDIT}
248 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
251 .if !target(realinstall)
252 realinstall: _kmodinstall
253 .ORDER: beforeinstall _kmodinstall
255 .if defined(INSTALLSTRIPPEDMODULES)
256 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
257 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
258 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG}
260 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
261 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
263 .endif # !target(realinstall)
265 .include <bsd.links.mk>
267 .endif # !target(install)
271 ${KMODLOAD} -v ./${KMOD}.ko
276 ${KMODUNLOAD} -v ${KMOD}
279 .for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
282 .if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src})
283 ${_src}: ${BUILDING_WITH_KERNEL}/${_src}
284 # we do not have to copy these files any more, the kernel build
285 # directory is included in the path now.
286 # cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET}
290 .endif # BUILDING_WITH_KERNEL
294 MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
295 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
296 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
298 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \
299 dev/acpica5/acpi_if.m dev/disk/nata/ata_if.m \
300 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
301 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
302 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \
303 bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m
305 .for _srcsrc in ${MFILES}
307 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
312 ${_src}: @/tools/makeobjops.awk @/${_srcsrc}
315 .if defined(BUILDING_WITH_KERNEL) && \
316 exists(${BUILDING_WITH_KERNEL}/${_src})
318 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
326 #.if ${SRCS:Mvnode_if.${_ext}} != ""
327 #CLEANFILES+= vnode_if.${_ext}
330 #vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src
332 # awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src
336 .if !empty(SRCS:Massym.s)
337 CLEANFILES+= assym.s genassym.o
339 .if defined(BUILDING_WITH_KERNEL)
340 genassym.o: opt_global.h
345 assym.s: @/kern/genassym.sh
347 sh @/kern/genassym.sh genassym.o > ${.TARGET}
349 genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
351 genassym.o: @ @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c ${FORWARD_HEADERS_COOKIE}
352 ${CC} -c ${CFLAGS:N-fno-common:N-mcmodel=small} ${WERROR} \
353 @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
358 .include <bsd.dep.mk>
360 .if !exists(${DEPENDFILE})
361 ${OBJS}: ${SRCS:M*.h}
364 .include <bsd.obj.mk>
365 .include "bsd.kern.mk"
367 # Behaves like MODULE_OVERRIDE
368 .if defined(KLD_DEPS)
371 .for _mdep in ${KLD_DEPS}
372 cd ${SYSDIR}/${_mdep} && make all
374 depend: _kdeps_depend
376 .for _mdep in ${KLD_DEPS}
377 cd ${SYSDIR}/${_mdep} && make depend
379 install: _kdeps_install
381 .for _mdep in ${KLD_DEPS}
382 cd ${SYSDIR}/${_mdep} && make install
386 .for _mdep in ${KLD_DEPS}
387 cd ${SYSDIR}/${_mdep} && make clean