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 $ 3# 4# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device 5# drivers (KLD's). 6# 7# 8# +++ variables +++ 9# CLEANFILES Additional files to remove for the clean and cleandir targets. 10# 11# KMOD The name of the kernel module to build. 12# 13# KMODDIR Base path for kernel modules (see kld(4)). 14# [${DESTKERNDIR}] 15# 16# KMODOWN KLD owner. [${BINOWN}] 17# 18# KMODGRP KLD group. [${BINGRP}] 19# 20# KMODMODE KLD mode. [${BINMODE}] 21# 22# KMODLOAD Command to load a kernel module [/sbin/kldload] 23# 24# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 25# 26# PROG The name of the kernel module to build. 27# If not supplied, ${KMOD}.o is used. 28# 29# SRCS List of source files 30# 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}. 34# 35# MFILES Optionally a list of interfaces used by the module. 36# This file contains a default list of interfaces. 37# 38# FIRMWS List of firmware images in format filename:shortname:version 39# 40# FIRMWARE_LICENSE 41# Set to the name of the license the user has to agree on in 42# order to use this firmware. See /usr/share/doc/legal 43# 44# +++ targets +++ 45# 46# install: 47# install the kernel module and its manual pages; if the Makefile 48# does not itself define the target install, the targets 49# beforeinstall and afterinstall may also be used to cause 50# actions immediately before and after the install target 51# is executed. 52# 53# load: 54# Load KLD. 55# 56# unload: 57# Unload KLD. 58# 59# bsd.obj.mk: clean, cleandir and obj 60# bsd.dep.mk: cleandepend, depend and tags 61# 62 63OBJCOPY?= objcopy 64KMODLOAD?= /sbin/kldload 65KMODUNLOAD?= /sbin/kldunload 66 67# KERNEL is needed when running make install directly from 68# the obj directory. 69KERNEL?= kernel 70 71KMODDIR?= ${DESTKERNDIR} 72KMODOWN?= ${BINOWN} 73KMODGRP?= ${BINGRP} 74KMODMODE?= ${BINMODE} 75 76.include <bsd.init.mk> 77 78.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 79 80.if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc80") 81WERROR=-Werror 82.endif 83 84COPTFLAGS?=-O2 -pipe 85 86# useful for debugging 87#.warning "KMOD-PREFILTER ${CFLAGS}" 88 89WORLD_CCOPTLEVEL= # XXX prevent world opt level affecting kernel modules 90CFLAGS= ${COPTFLAGS} ${KCFLAGS} ${COPTS} -D_KERNEL 91CFLAGS+= ${CWARNFLAGS} ${WERROR} 92CFLAGS+= -DKLD_MODULE 93 94# Don't use any standard include directories. 95# Since -nostdinc will annull any previous -I paths, we repeat all 96# such paths after -nostdinc. It doesn't seem to be possible to 97# add to the front of `make' variable. 98# 99# Don't use -I- anymore, source-relative includes are desireable. 100_ICFLAGS:= ${CFLAGS:M-I*} 101CFLAGS+= -nostdinc ${_ICFLAGS} 102 103# Add -I paths for system headers. Individual KLD makefiles don't 104# need any -I paths for this. Similar defaults for .PATH can't be 105# set because there are no standard paths for non-headers. 106# 107# NOTE! Traditional platform paths such as <platform/pc64/blah.h> 108# must run through the "machine_base" softlink using 109# <machine_base/blah.h>. An explicit cross-platform path must 110# operate relative to /usr/src/sys using e.g. <platform/pc64/isa/blah.h> 111# 112CFLAGS+= -I. -I@ 113 114# Add -I paths for headers in the kernel build directory 115# 116.if defined(BUILDING_WITH_KERNEL) 117CFLAGS+= -I${BUILDING_WITH_KERNEL} 118_MACHINE_FWD= ${BUILDING_WITH_KERNEL} 119.else 120.if defined(MAKEOBJDIRPREFIX) 121_MACHINE_FWD= ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH} 122.else 123_MACHINE_FWD= ${.OBJDIR}/forwarder_${MACHINE_ARCH} 124CLEANDIRS+= ${_MACHINE_FWD} 125.endif 126.endif 127CFLAGS+= -I${_MACHINE_FWD}/include 128 129.include "kern.fwd.mk" 130 131# Add a -I path to standard headers like <stddef.h>. Use a relative 132# path to src/include if possible. If the @ symlink hasn't been built 133# yet, then we can't tell if the relative path exists. Add both the 134# potential relative path and an absolute path in that case. 135.if exists(@) 136.if exists(@/../include) 137CFLAGS+= -I@/../include 138.else 139CFLAGS+= -I${DESTDIR}/usr/include 140.endif 141.else # !@ 142CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 143.endif # @ 144 145.if defined(BUILDING_WITH_KERNEL) && \ 146 exists(${BUILDING_WITH_KERNEL}/opt_global.h) 147CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${BUILDING_WITH_KERNEL}/opt_global.h 148.endif 149 150CFLAGS+= ${DEBUG_FLAGS} 151.if ${MACHINE_ARCH} == "x86_64" 152CFLAGS+= -fno-omit-frame-pointer 153.endif 154 155.if defined(FIRMWS) 156#AWK=/usr/bin/awk 157.if !exists(@) 158${KMOD:S/$/.c/}: @ 159.else 160${KMOD:S/$/.c/}: @/tools/fw_stub.awk 161.endif 162 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m ${KMOD} -c ${KMOD:S/$/.c/g} \ 163 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE} 164 165SRCS+= ${KMOD:S/$/.c/} 166CLEANFILES+= ${KMOD:S/$/.c/} 167 168.for _firmw in ${FIRMWS} 169${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 170 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 171 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 172 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 173 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 174 else \ 175 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 176 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 177 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 178 rm ${_firmw:C/\:.*$//}; \ 179 fi 180 181OBJS+= ${_firmw:C/\:.*$/.fwo/} 182.endfor 183.endif 184 185OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 186 187.if !defined(PROG) 188PROG= ${KMOD}.ko 189.endif 190 191# In case of LTO provide all standard CFLAGS! 192.if ${CFLAGS:M-flto} 193ELDFLAGS+= ${CFLAGS} 194.endif 195 196.if ${MACHINE_ARCH} != x86_64 197${PROG}: ${KMOD}.kld 198 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 199 -Wl,-Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 200.endif 201 202.if ${MACHINE_ARCH} != x86_64 203${KMOD}.kld: ${OBJS} 204 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 205 ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 206.else 207${PROG}: ${OBJS} 208 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 209 ${LDFLAGS} -r -Wl,-d -o ${.TARGET} ${OBJS} 210.endif 211 212# links to platform and cpu architecture include files. If we are 213# building with a kernel these already exist in the kernel build dir. 214# '@' is a link to the system source. 215.if defined(BUILDING_WITH_KERNEL) 216_ILINKS=@ 217.else 218_ILINKS=@ machine_base machine cpu_base cpu 219.endif 220 221.if defined(ARCH) 222_ILINKS+=${ARCH} 223.endif 224 225all: objwarn fwheaders ${PROG} 226 227beforedepend: fwheaders 228fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE} 229# Ensure that the links exist without depending on it when it exists which 230# causes all the modules to be rebuilt when the directory pointed to changes. 231.for _link in ${_ILINKS} 232.if !exists(${.OBJDIR}/${_link}) 233${OBJS}: ${_link} 234.endif 235.endfor 236 237# Search for kernel source tree in standard places. 238.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys 239.if !defined(SYSDIR) && exists(${_dir}/kern/) 240SYSDIR= ${_dir} 241.endif 242.endfor 243.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 244.error "can't find kernel source tree" 245.endif 246S= ${SYSDIR} 247 248# path=`(cd $$path && /bin/pwd)` ; 249 250${_ILINKS}: 251 @case ${.TARGET} in \ 252 machine) \ 253 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \ 254 machine_base) \ 255 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \ 256 cpu) \ 257 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \ 258 cpu_base) \ 259 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \ 260 @) \ 261 path=${SYSDIR} ;; \ 262 arch_*) \ 263 path=${.CURDIR}/${MACHINE_ARCH} ;; \ 264 esac ; \ 265 ${ECHO} ${.TARGET} "->" $$path ; \ 266 ${LN} -s $$path ${.TARGET} 267 268CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 269 270.if !target(install) 271 272_INSTALLFLAGS:= ${INSTALLFLAGS} 273.for ie in ${INSTALLFLAGS_EDIT} 274_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 275.endfor 276 277.if !target(realinstall) 278realinstall: _kmodinstall 279.ORDER: beforeinstall _kmodinstall 280_kmodinstall: 281.if defined(INSTALLSTRIPPEDMODULES) 282 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 283 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 284 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG} 285.else 286 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 287 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 288.endif 289.endif # !target(realinstall) 290 291.include <bsd.links.mk> 292 293.endif # !target(install) 294 295.if !target(load) 296load: ${PROG} 297 ${KMODLOAD} -v ./${KMOD}.ko 298.endif 299 300.if !target(unload) 301unload: 302 ${KMODUNLOAD} -v ${KMOD} 303.endif 304 305.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h} 306CLEANFILES+= ${_src} 307.if !target(${_src}) 308.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src}) 309${_src}: ${BUILDING_WITH_KERNEL}/${_src} 310# we do not have to copy these files any more, the kernel build 311# directory is included in the path now. 312# cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET} 313.else 314${_src}: 315 touch ${.TARGET} 316.endif # BUILDING_WITH_KERNEL 317.endif 318.endfor 319 320MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \ 321 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \ 322 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \ 323 bus/pci/pcib_if.m \ 324 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/u4b/usb_if.m \ 325 dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \ 326 dev/disk/sdhci/sdhci_if.m \ 327 dev/sound/pci/hda/hdac_if.m \ 328 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 329 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 330 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \ 331 dev/sound/midi/synth_if.m \ 332 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \ 333 bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \ 334 dev/virtual/virtio/virtio/virtio_bus_if.m \ 335 dev/misc/coremctl/coremctl_if.m kern/cpu_if.m \ 336 bus/gpio/gpio_if.m 337 338.for _srcsrc in ${MFILES} 339.for _ext in c h 340.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 341CLEANFILES+= ${_src} 342.if !target(${_src}) 343${_src}: @ 344.if exists(@) 345${_src}: @/tools/makeobjops.awk @/${_srcsrc} 346.endif 347 348.if defined(BUILDING_WITH_KERNEL) && \ 349 exists(${BUILDING_WITH_KERNEL}/${_src}) 350.else 351 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc} 352.endif 353.endif 354.endfor # _src 355.endfor # _ext 356.endfor # _srcsrc 357 358.if !empty(SRCS:Mmiidevs.h) 359CLEANFILES+= miidevs.h 360.if !exists(@) 361miidevs.h: @ 362.else 363miidevs.h: @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs 364.endif 365 ${AWK} -f @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs 366.endif 367 368.if !empty(SRCS:Mpccarddevs.h) 369CLEANFILES+= pccarddevs.h 370.if !exists(@) 371pccarddevs.h: @ 372.else 373pccarddevs.h: @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs 374.endif 375 ${AWK} -f @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs 376.endif 377 378.if !empty(SRCS:Mpcidevs.h) 379CLEANFILES+= pcidevs.h 380.if !exists(@) 381pcidevs.h: @ 382.else 383pcidevs.h: @/tools/pcidevs2h.awk @/bus/pci/pcidevs 384.endif 385 ${AWK} -f @/tools/pcidevs2h.awk @/bus/pci/pcidevs 386.endif 387 388.if !empty(SRCS:Musbdevs.h) 389CLEANFILES+= usbdevs.h 390.if !exists(@) 391usbdevs.h: @ 392.else 393usbdevs.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs 394.endif 395 ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -h 396.endif 397 398.if !empty(SRCS:Musbdevs_data.h) 399CLEANFILES+= usbdevs_data.h 400.if !exists(@) 401usbdevs_data.h: @ 402.else 403usbdevs_data.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs 404.endif 405 ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -d 406.endif 407 408.if !empty(SRCS:Macpi_quirks.h) 409CLEANFILES+= acpi_quirks.h 410.if !exists(@) 411acpi_quirks.h: @ 412.else 413acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 414.endif 415 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 416.endif 417 418.if !empty(SRCS:Massym.s) 419CLEANFILES+= assym.s genassym.o 420assym.s: genassym.o 421.if defined(BUILDING_WITH_KERNEL) 422genassym.o: opt_global.h 423.endif 424.if !exists(@) 425assym.s: @ 426.else 427assym.s: @/kern/genassym.sh 428.endif 429 sh @/kern/genassym.sh genassym.o > ${.TARGET} 430.if exists(@) 431genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c 432.endif 433genassym.o: @ ${SRCS:Mopt_*.h} 434 ${CC} -c ${CFLAGS:N-fno-common:N-flto:N-mcmodel=small} ${WERROR} \ 435 @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c 436.endif 437 438regress: 439 440.include <bsd.dep.mk> 441 442.if !exists(${DEPENDFILE}) 443${OBJS}: ${SRCS:M*.h} 444.endif 445 446.include <bsd.obj.mk> 447.include "bsd.kern.mk" 448 449# Behaves like MODULE_OVERRIDE 450.if defined(KLD_DEPS) 451all: _kdeps_all 452_kdeps_all: @ 453.for _mdep in ${KLD_DEPS} 454 cd ${SYSDIR}/${_mdep} && make all 455.endfor 456depend: _kdeps_depend 457_kdeps_depend: @ 458.for _mdep in ${KLD_DEPS} 459 cd ${SYSDIR}/${_mdep} && make depend 460.endfor 461install: _kdeps_install 462_kdeps_install: @ 463.for _mdep in ${KLD_DEPS} 464 cd ${SYSDIR}/${_mdep} && make install 465.endfor 466clean: _kdeps_clean 467_kdeps_clean: @ 468.for _mdep in ${KLD_DEPS} 469 cd ${SYSDIR}/${_mdep} && make clean 470.endfor 471.endif 472