1 # From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
4 # The include file <bsd.kmod.mk> handles building and installing loadable
10 # CLEANFILES Additional files to remove for the clean and cleandir targets.
12 # EXPORT_SYMS A list of symbols that should be exported from the module,
13 # or the name of a file containing a list of symbols, or YES
14 # to export all symbols. If not defined, no symbols are
17 # KMOD The name of the kernel module to build.
19 # KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel]
21 # KMODOWN Module file owner. [${BINOWN}]
23 # KMODGRP Module file group. [${BINGRP}]
25 # KMODMODE Module file mode. [${BINMODE}]
27 # KMODLOAD Command to load a kernel module [/sbin/kldload]
29 # KMODUNLOAD Command to unload a kernel module [/sbin/kldunload]
31 # MFILES Optionally a list of interfaces used by the module.
32 # This file contains a default list of interfaces.
34 # PROG The name of the kernel module to build.
35 # If not supplied, ${KMOD}.ko is used.
37 # SRCS List of source files.
39 # FIRMWS List of firmware images in format filename:shortname:version
42 # Set to the name of the license the user has to agree on in
43 # order to use this firmware. See /usr/share/doc/legal
45 # DESTDIR The tree where the module gets installed. [not set]
50 # install the kernel module; if the Makefile
51 # does not itself define the target install, the targets
52 # beforeinstall and afterinstall may also be used to cause
53 # actions immediately before and after the install target
64 KMODLOAD?= /sbin/kldload
65 KMODUNLOAD?= /sbin/kldunload
68 .include <bsd.init.mk>
69 # Grab all the options for a kernel build. For backwards compat, we need to
70 # do this after bsd.own.mk.
71 .include "kern.opts.mk"
72 .include <bsd.compiler.mk>
75 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
77 # amd64 and mips use direct linking for kmod, all others use shared binaries
78 .if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips
84 .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
85 CFLAGS+= -fno-strict-aliasing
92 # Don't use any standard or source-relative include directories.
94 CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
95 .if defined(KERNBUILDDIR)
96 CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
99 # Add -I paths for system headers. Individual module makefiles don't
100 # need any -I paths for this. Similar defaults for .PATH can't be
101 # set because there are no standard paths for non-headers.
102 CFLAGS+= -I. -I${SYSDIR}
104 # Add -I path for altq headers as they are included via net/if_var.h
106 CFLAGS+= -I${SYSDIR}/contrib/altq
108 CFLAGS.gcc+= -finline-limit=${INLINE_LIMIT}
109 CFLAGS.gcc+= -fms-extensions
110 CFLAGS.gcc+= --param inline-unit-growth=100
111 CFLAGS.gcc+= --param large-function-growth=1000
113 # Disallow common variables, and if we end up with commons from
114 # somewhere unexpected, allocate storage for them in the module itself.
116 LDFLAGS+= -d -warn-common
118 CFLAGS+= ${DEBUG_FLAGS}
119 .if ${MACHINE_CPUARCH} == amd64
120 CFLAGS+= -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
123 # Temporary workaround for PR 196407, which contains the fascinating details.
124 # Don't allow clang to use fpu instructions or registers in kernel modules.
125 .if ${MACHINE_CPUARCH} == arm
126 CFLAGS.clang+= -mllvm -arm-use-movt=0
127 CFLAGS.clang+= -mfpu=none
128 CFLAGS+= -funwind-tables
131 .if ${MACHINE_CPUARCH} == powerpc
132 CFLAGS+= -mlongcall -fno-omit-frame-pointer
135 .if ${MACHINE_CPUARCH} == mips
136 CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls
139 .if defined(DEBUG) || defined(DEBUG_FLAGS)
144 ${KMOD:S/$/.c/}: ${SYSDIR}/tools/fw_stub.awk
145 ${AWK} -f ${SYSDIR}/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
146 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
148 SRCS+= ${KMOD:S/$/.c/}
149 CLEANFILES+= ${KMOD:S/$/.c/}
151 .for _firmw in ${FIRMWS}
152 ${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//}
153 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
154 @if [ -e ${_firmw:C/\:.*$//} ]; then \
155 ${LD} -b binary --no-warn-mismatch ${_LDFLAGS} \
156 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
158 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
159 ${LD} -b binary --no-warn-mismatch ${_LDFLAGS} \
160 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
161 rm ${_firmw:C/\:.*$//}; \
164 OBJS+= ${_firmw:C/\:.*$/.fwo/}
168 # Conditionally include SRCS based on kernel config options.
169 .for _o in ${KERN_OPTS}
173 OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
179 .if !defined(DEBUG_FLAGS)
182 FULLPROG= ${PROG}.debug
183 ${PROG}: ${FULLPROG} ${PROG}.symbols
184 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\
185 ${FULLPROG} ${.TARGET}
186 ${PROG}.symbols: ${FULLPROG}
187 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
190 .if ${__KLD_SHARED} == yes
191 ${FULLPROG}: ${KMOD}.kld
192 ${LD} -Bshareable ${_LDFLAGS} -o ${.TARGET} ${KMOD}.kld
193 .if !defined(DEBUG_FLAGS)
194 ${OBJCOPY} --strip-debug ${.TARGET}
199 .if ${EXPORT_SYMS} != YES
200 CLEANFILES+= export_syms
203 .if ${__KLD_SHARED} == yes
208 ${LD} ${_LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
209 .if ${MK_CTF} != "no"
210 ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
212 .if defined(EXPORT_SYMS)
213 .if ${EXPORT_SYMS} != YES
214 .if ${EXPORT_SYMS} == NO
216 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
217 echo ${EXPORT_SYMS} > export_syms
219 grep -v '^#' < ${EXPORT_SYMS} > export_syms
221 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
222 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
225 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
226 ${OBJCOPY} --strip-debug ${.TARGET}
230 .if ${MACHINE} != ${MACHINE_CPUARCH}
231 _ILINKS+=${MACHINE_CPUARCH}
233 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
236 CLEANFILES+=${_ILINKS}
240 beforedepend: ${_ILINKS}
242 # Ensure that the links exist without depending on it when it exists which
243 # causes all the modules to be rebuilt when the directory pointed to changes.
244 .for _link in ${_ILINKS}
245 .if !exists(${.OBJDIR}/${_link})
246 ${OBJS}: ${.OBJDIR}/${_link}
250 # Search for kernel source tree in standard places.
251 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
252 .if !defined(SYSDIR) && exists(${_dir}/kern/)
256 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
257 .error "can't find kernel source tree"
260 .for _link in ${_ILINKS}
262 ${_link}: ${.OBJDIR}/${_link}
265 @case ${.TARGET:T} in \
267 path=${SYSDIR}/${MACHINE}/include ;; \
269 path=${SYSDIR}/${.TARGET:T}/include ;; \
271 path=`(cd $$path && /bin/pwd)` ; \
272 ${ECHO} ${.TARGET:T} "->" $$path ; \
273 ln -sf $$path ${.TARGET:T}
276 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
278 .if defined(DEBUG_FLAGS)
279 CLEANFILES+= ${FULLPROG} ${PROG}.symbols
284 _INSTALLFLAGS:= ${INSTALLFLAGS}
285 .for ie in ${INSTALLFLAGS_EDIT}
286 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
289 .if !target(realinstall)
290 realinstall: _kmodinstall
291 .ORDER: beforeinstall _kmodinstall
293 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
294 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
295 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
296 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
297 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR}
300 .include <bsd.links.mk>
302 .if !defined(NO_XREF)
303 afterinstall: _kldxref
304 .ORDER: realinstall _kldxref
305 .ORDER: _installlinks _kldxref
307 @if type kldxref >/dev/null 2>&1; then \
308 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \
309 kldxref ${DESTDIR}${KMODDIR}; \
312 .endif # !target(realinstall)
314 .endif # !target(install)
318 ${KMODLOAD} -v ${.OBJDIR}/${PROG}
323 ${KMODUNLOAD} -v ${PROG}
326 .if defined(KERNBUILDDIR)
327 .PATH: ${KERNBUILDDIR}
328 CFLAGS+= -I${KERNBUILDDIR}
329 .for _src in ${SRCS:Mopt_*.h}
333 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
337 .for _src in ${SRCS:Mopt_*.h}
346 # Respect configuration-specific C flags.
347 CFLAGS+= ${CONF_CFLAGS}
349 MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \
350 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \
351 dev/fb/fb_if.m dev/gpio/gpio_if.m dev/gpio/gpiobus_if.m \
352 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \
353 dev/mbox/mbox_if.m dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \
354 dev/mii/miibus_if.m dev/mvs/mvs_if.m dev/ofw/ofw_bus_if.m \
355 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \
356 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m \
357 dev/sdhci/sdhci_if.m dev/smbus/smbus_if.m dev/spibus/spibus_if.m \
358 dev/sound/pci/hda/hdac_if.m \
359 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
360 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
361 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \
362 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \
363 kern/bus_if.m kern/clock_if.m \
364 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \
365 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \
366 pc98/pc98/canbus_if.m dev/etherswitch/mdio_if.m
368 .for _srcsrc in ${MFILES}
370 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
373 ${_src}: ${SYSDIR}/tools/makeobjops.awk ${SYSDIR}/${_srcsrc}
374 ${AWK} -f ${SYSDIR}/tools/makeobjops.awk ${SYSDIR}/${_srcsrc} -${_ext}
380 .if !empty(SRCS:Mvnode_if.c)
381 CLEANFILES+= vnode_if.c
382 vnode_if.c: ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src
383 ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -c
386 .if !empty(SRCS:Mvnode_if.h)
387 CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
388 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: ${SYSDIR}/tools/vnode_if.awk \
389 ${SYSDIR}/kern/vnode_if.src
390 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
391 ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -h
393 ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -p
395 ${AWK} -f ${SYSDIR}/tools/vnode_if.awk ${SYSDIR}/kern/vnode_if.src -q
398 .for _i in mii pccard
399 .if !empty(SRCS:M${_i}devs.h)
400 CLEANFILES+= ${_i}devs.h
401 ${_i}devs.h: ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
402 ${AWK} -f ${SYSDIR}/tools/${_i}devs2h.awk ${SYSDIR}/dev/${_i}/${_i}devs
406 .if !empty(SRCS:Musbdevs.h)
407 CLEANFILES+= usbdevs.h
408 usbdevs.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
409 ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -h
412 .if !empty(SRCS:Musbdevs_data.h)
413 CLEANFILES+= usbdevs_data.h
414 usbdevs_data.h: ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs
415 ${AWK} -f ${SYSDIR}/tools/usbdevs2h.awk ${SYSDIR}/dev/usb/usbdevs -d
418 .if !empty(SRCS:Macpi_quirks.h)
419 CLEANFILES+= acpi_quirks.h
420 acpi_quirks.h: ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
421 ${AWK} -f ${SYSDIR}/tools/acpi_quirks2h.awk ${SYSDIR}/dev/acpica/acpi_quirks
424 .if !empty(SRCS:Massym.s)
425 CLEANFILES+= assym.s genassym.o
427 .if defined(KERNBUILDDIR)
428 genassym.o: opt_global.h
430 assym.s: ${SYSDIR}/kern/genassym.sh
431 sh ${SYSDIR}/kern/genassym.sh genassym.o > ${.TARGET}
432 genassym.o: ${SYSDIR}/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
433 genassym.o: ${SRCS:Mopt_*.h}
434 ${CC} -c ${CFLAGS:N-fno-common} \
435 ${SYSDIR}/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
439 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c}
441 .if defined(KERNBUILDDIR)
442 ${OBJS}: opt_global.h
445 .include <bsd.dep.mk>
447 cleandepend: cleanilinks
448 # .depend needs include links so we remove them only together.
452 .if !exists(${.OBJDIR}/${DEPENDFILE})
453 ${OBJS}: ${SRCS:M*.h}
456 .include <bsd.obj.mk>