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 # KMODISLOADED Command to check whether a kernel module is
35 # loaded [/sbin/kldstat -q -n]
37 # PROG The name of the kernel module to build.
38 # If not supplied, ${KMOD}.ko is used.
40 # SRCS List of source files.
42 # FIRMWS List of firmware images in format filename:shortname:version
45 # Set to the name of the license the user has to agree on in
46 # order to use this firmware. See /usr/share/doc/legal
48 # DESTDIR The tree where the module gets installed. [not set]
53 # install the kernel module; if the Makefile
54 # does not itself define the target install, the targets
55 # beforeinstall and afterinstall may also be used to cause
56 # actions immediately before and after the install target
66 # Unload if loaded, then load.
69 # backwards compat option for older systems.
70 MACHINE_CPUARCH?=${MACHINE_ARCH:C/mips(n32|64)?(el)?/mips/:C/arm(v6)?(eb)?/arm/:C/powerpc64/powerpc/}
73 KMODLOAD?= /sbin/kldload
74 KMODUNLOAD?= /sbin/kldunload
75 KMODISLOADED?= /sbin/kldstat -q -n
79 .error "Do not use KMODDEPS on 5.0+; use MODULE_VERSION/MODULE_DEPEND"
82 .include <bsd.init.mk>
83 .include <bsd.compiler.mk>
85 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
87 # amd64 and mips use direct linking for kmod, all others use shared binaries
88 .if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips
94 .if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing)
95 CFLAGS+= -fno-strict-aliasing
100 CFLAGS+= -DKLD_MODULE
102 # Don't use any standard or source-relative include directories.
105 CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*}
106 .if defined(KERNBUILDDIR)
107 CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h
110 # Add -I paths for system headers. Individual module makefiles don't
111 # need any -I paths for this. Similar defaults for .PATH can't be
112 # set because there are no standard paths for non-headers.
115 # Add -I path for altq headers as they are included via net/if_var.h
117 CFLAGS+= -I@/contrib/altq
119 .if ${COMPILER_TYPE} != "clang"
120 CFLAGS+= -finline-limit=${INLINE_LIMIT}
121 CFLAGS+= --param inline-unit-growth=100
122 CFLAGS+= --param large-function-growth=1000
125 # Disallow common variables, and if we end up with commons from
126 # somewhere unexpected, allocate storage for them in the module itself.
128 LDFLAGS+= -d -warn-common
130 CFLAGS+= ${DEBUG_FLAGS}
131 .if ${MACHINE_CPUARCH} == amd64
132 CFLAGS+= -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
135 # Temporary workaround for PR 196407, which contains the fascinating details.
136 # Don't allow clang to use fpu instructions or registers in kernel modules.
137 .if ${MACHINE_CPUARCH} == arm
138 CFLAGS.clang+= -mllvm -arm-use-movt=0
139 CFLAGS.clang+= -mfpu=none
142 .if ${MACHINE_CPUARCH} == powerpc
143 CFLAGS+= -mlongcall -fno-omit-frame-pointer
146 .if ${MACHINE_CPUARCH} == mips
147 CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls
150 .if defined(DEBUG) || defined(DEBUG_FLAGS)
158 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk
160 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
161 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
163 SRCS+= ${KMOD:S/$/.c/}
164 CLEANFILES+= ${KMOD:S/$/.c/}
166 .for _firmw in ${FIRMWS}
167 ${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//}
168 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
169 @if [ -e ${_firmw:C/\:.*$//} ]; then \
170 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
171 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
173 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
174 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \
175 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \
176 rm ${_firmw:C/\:.*$//}; \
179 OBJS+= ${_firmw:C/\:.*$/.fwo/}
183 OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
189 .if !defined(DEBUG_FLAGS)
192 FULLPROG= ${PROG}.debug
193 ${PROG}: ${FULLPROG} ${PROG}.symbols
194 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\
195 ${FULLPROG} ${.TARGET}
196 ${PROG}.symbols: ${FULLPROG}
197 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET}
200 .if ${__KLD_SHARED} == yes
201 ${FULLPROG}: ${KMOD}.kld
202 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
203 .if !defined(DEBUG_FLAGS)
204 ${OBJCOPY} --strip-debug ${.TARGET}
209 .if ${EXPORT_SYMS} != YES
210 CLEANFILES+= export_syms
213 .if ${__KLD_SHARED} == yes
218 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
219 .if defined(MK_CTF) && ${MK_CTF} != "no"
220 ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
222 .if defined(EXPORT_SYMS)
223 .if ${EXPORT_SYMS} != YES
224 .if ${EXPORT_SYMS} == NO
226 .elif !exists(${.CURDIR}/${EXPORT_SYMS})
227 echo ${EXPORT_SYMS} > export_syms
229 grep -v '^#' < ${EXPORT_SYMS} > export_syms
231 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \
232 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET}
235 .if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no
236 ${OBJCOPY} --strip-debug ${.TARGET}
240 .if ${MACHINE} != ${MACHINE_CPUARCH}
241 _ILINKS+=${MACHINE_CPUARCH}
243 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
249 beforedepend: ${_ILINKS}
251 # Ensure that the links exist without depending on it when it exists which
252 # causes all the modules to be rebuilt when the directory pointed to changes.
253 .for _link in ${_ILINKS}
254 .if !exists(${.OBJDIR}/${_link})
255 ${OBJS}: ${.OBJDIR}/${_link}
259 # Search for kernel source tree in standard places.
260 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys
261 .if !defined(SYSDIR) && exists(${_dir}/kern/)
265 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
266 .error "can't find kernel source tree"
269 .for _link in ${_ILINKS}
271 ${_link}: ${.OBJDIR}/${_link}
274 @case ${.TARGET:T} in \
276 path=${SYSDIR}/${MACHINE}/include ;; \
280 path=${SYSDIR}/${.TARGET:T}/include ;; \
282 path=`(cd $$path && /bin/pwd)` ; \
283 ${ECHO} ${.TARGET:T} "->" $$path ; \
284 ln -sf $$path ${.TARGET:T}
287 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS}
289 .if defined(DEBUG_FLAGS)
290 CLEANFILES+= ${FULLPROG} ${PROG}.symbols
295 _INSTALLFLAGS:= ${INSTALLFLAGS}
296 .for ie in ${INSTALLFLAGS_EDIT}
297 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
300 .if !target(realinstall)
301 realinstall: _kmodinstall
302 .ORDER: beforeinstall _kmodinstall
304 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
305 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
306 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no"
307 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
308 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR}
311 .include <bsd.links.mk>
313 .if !defined(NO_XREF)
314 afterinstall: _kldxref
315 .ORDER: realinstall _kldxref
316 .ORDER: _installlinks _kldxref
318 @if type kldxref >/dev/null 2>&1; then \
319 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \
320 kldxref ${DESTDIR}${KMODDIR}; \
323 .endif # !target(realinstall)
325 .endif # !target(install)
329 ${KMODLOAD} -v ${.OBJDIR}/${PROG}
334 if ${KMODISLOADED} ${PROG} ; then ${KMODUNLOAD} -v ${PROG} ; fi
341 .if defined(KERNBUILDDIR)
342 .PATH: ${KERNBUILDDIR}
343 CFLAGS+= -I${KERNBUILDDIR}
344 .for _src in ${SRCS:Mopt_*.h}
348 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET}
352 .for _src in ${SRCS:Mopt_*.h}
361 # Respect configuration-specific C flags.
362 CFLAGS+= ${CONF_CFLAGS}
364 MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \
365 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \
366 dev/fb/fb_if.m dev/gpio/gpio_if.m dev/gpio/gpiobus_if.m \
367 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \
368 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \
369 dev/mii/miibus_if.m dev/mvs/mvs_if.m dev/ofw/ofw_bus_if.m \
370 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \
371 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m \
372 dev/sdhci/sdhci_if.m dev/smbus/smbus_if.m dev/spibus/spibus_if.m \
373 dev/sound/pci/hda/hdac_if.m \
374 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
375 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
376 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \
377 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \
378 kern/bus_if.m kern/clock_if.m \
379 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \
380 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \
381 pc98/pc98/canbus_if.m dev/etherswitch/mdio_if.m
383 .for _srcsrc in ${MFILES}
385 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
391 ${_src}: @/tools/makeobjops.awk @/${_srcsrc}
393 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext}
399 .if !empty(SRCS:Mvnode_if.c)
400 CLEANFILES+= vnode_if.c
404 vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src
406 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c
409 .if !empty(SRCS:Mvnode_if.h)
410 CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
412 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @
414 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \
417 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
418 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h
420 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p
422 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q
425 .for _i in mii pccard
426 .if !empty(SRCS:M${_i}devs.h)
427 CLEANFILES+= ${_i}devs.h
431 ${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs
433 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs
437 .if !empty(SRCS:Musbdevs.h)
438 CLEANFILES+= usbdevs.h
442 usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs
444 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h
447 .if !empty(SRCS:Musbdevs_data.h)
448 CLEANFILES+= usbdevs_data.h
452 usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs
454 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d
457 .if !empty(SRCS:Macpi_quirks.h)
458 CLEANFILES+= acpi_quirks.h
462 acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
464 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
467 .if !empty(SRCS:Massym.s)
468 CLEANFILES+= assym.s genassym.o
470 .if defined(KERNBUILDDIR)
471 genassym.o: opt_global.h
476 assym.s: @/kern/genassym.sh
478 sh @/kern/genassym.sh genassym.o > ${.TARGET}
480 genassym.o: @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
482 genassym.o: @ machine ${SRCS:Mopt_*.h}
483 ${CC} -c ${CFLAGS:N-fno-common} \
484 @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c
488 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c}
490 .if defined(KERNBUILDDIR)
491 ${OBJS}: opt_global.h
494 .include <bsd.dep.mk>
496 cleandepend: cleanilinks
497 # .depend needs include links so we remove them only together.
501 .if !exists(${.OBJDIR}/${DEPENDFILE})
502 ${OBJS}: ${SRCS:M*.h}
505 .include <bsd.obj.mk>