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 ${MACHINE_ARCH} == "x86_64" 152CFLAGS+= -fno-omit-frame-pointer 153.endif 154 155.include <bsd.patch.mk> 156 157.if defined(FIRMWS) 158AWK=/usr/bin/awk 159.if !exists(@) 160${KMOD:S/$/.c/}: @ 161.else 162${KMOD:S/$/.c/}: @/tools/fw_stub.awk 163.endif 164 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m ${KMOD} -c ${KMOD:S/$/.c/g} \ 165 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE} 166 167SRCS+= ${KMOD:S/$/.c/} 168CLEANFILES+= ${KMOD:S/$/.c/} 169 170.for _firmw in ${FIRMWS} 171${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 172 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 173 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 174 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 175 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 176 else \ 177 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 178 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 179 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 180 rm ${_firmw:C/\:.*$//}; \ 181 fi 182 183OBJS+= ${_firmw:C/\:.*$/.fwo/} 184.endfor 185.endif 186 187OBJS+= ${SRCS:N*.h:N*.patch:R:S/$/.o/g} 188 189.if !defined(PROG) 190PROG= ${KMOD}.ko 191.endif 192 193# In case of LTO provide all standard CFLAGS! 194.if ${CFLAGS:M-flto} 195ELDFLAGS+= ${CFLAGS} 196.endif 197 198.if ${MACHINE_ARCH} != x86_64 199${PROG}: ${KMOD}.kld 200 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 201 -Wl,-Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 202.endif 203 204.if ${MACHINE_ARCH} != x86_64 205${KMOD}.kld: ${OBJS} 206 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 207 ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 208.else 209${PROG}: ${OBJS} 210 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 211 ${LDFLAGS} -r -Wl,-d -o ${.TARGET} ${OBJS} 212.endif 213 214# links to platform and cpu architecture include files. If we are 215# building with a kernel these already exist in the kernel build dir. 216# '@' is a link to the system source. 217.if defined(BUILDING_WITH_KERNEL) 218_ILINKS=@ 219.else 220_ILINKS=@ machine_base machine cpu_base cpu 221.endif 222 223.if defined(ARCH) 224_ILINKS+=${ARCH} 225.endif 226 227all: objwarn fwheaders ${PROG} 228 229beforedepend: fwheaders 230fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE} 231# Ensure that the links exist without depending on it when it exists which 232# causes all the modules to be rebuilt when the directory pointed to changes. 233.for _link in ${_ILINKS} 234.if !exists(${.OBJDIR}/${_link}) 235${OBJS}: ${_link} 236.endif 237.endfor 238 239# Search for kernel source tree in standard places. 240.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys 241.if !defined(SYSDIR) && exists(${_dir}/kern/) 242SYSDIR= ${_dir} 243.endif 244.endfor 245.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 246.error "can't find kernel source tree" 247.endif 248S= ${SYSDIR} 249 250# path=`(cd $$path && /bin/pwd)` ; 251 252${_ILINKS}: 253 @case ${.TARGET} in \ 254 machine) \ 255 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \ 256 machine_base) \ 257 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \ 258 cpu) \ 259 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \ 260 cpu_base) \ 261 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \ 262 @) \ 263 path=${SYSDIR} ;; \ 264 arch_*) \ 265 path=${.CURDIR}/${MACHINE_ARCH} ;; \ 266 esac ; \ 267 ${ECHO} ${.TARGET} "->" $$path ; \ 268 ${LN} -s $$path ${.TARGET} 269 270CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 271 272.if !target(install) 273 274_INSTALLFLAGS:= ${INSTALLFLAGS} 275.for ie in ${INSTALLFLAGS_EDIT} 276_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 277.endfor 278 279.if !target(realinstall) 280realinstall: _kmodinstall 281.ORDER: beforeinstall _kmodinstall 282_kmodinstall: 283.if defined(INSTALLSTRIPPEDMODULES) 284 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 285 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 286 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG} 287.else 288 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 289 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 290.endif 291.endif # !target(realinstall) 292 293.include <bsd.links.mk> 294 295.endif # !target(install) 296 297.if !target(load) 298load: ${PROG} 299 ${KMODLOAD} -v ./${KMOD}.ko 300.endif 301 302.if !target(unload) 303unload: 304 ${KMODUNLOAD} -v ${KMOD} 305.endif 306 307.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h} 308CLEANFILES+= ${_src} 309.if !target(${_src}) 310.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src}) 311${_src}: ${BUILDING_WITH_KERNEL}/${_src} 312# we do not have to copy these files any more, the kernel build 313# directory is included in the path now. 314# cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET} 315.else 316${_src}: 317 touch ${.TARGET} 318.endif # BUILDING_WITH_KERNEL 319.endif 320.endfor 321 322MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \ 323 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \ 324 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \ 325 bus/pci/pcib_if.m \ 326 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/u4b/usb_if.m \ 327 dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \ 328 dev/disk/sdhci/sdhci_if.m \ 329 dev/sound/pci/hda/hdac_if.m \ 330 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 331 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 332 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \ 333 dev/sound/midi/synth_if.m \ 334 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \ 335 bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \ 336 dev/virtual/virtio/virtio/virtio_bus_if.m \ 337 dev/misc/coremctl/coremctl_if.m kern/cpu_if.m \ 338 bus/gpio/gpio_if.m 339 340.for _srcsrc in ${MFILES} 341.for _ext in c h 342.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 343CLEANFILES+= ${_src} 344.if !target(${_src}) 345${_src}: @ 346.if exists(@) 347${_src}: @/tools/makeobjops.awk @/${_srcsrc} 348.endif 349 350.if defined(BUILDING_WITH_KERNEL) && \ 351 exists(${BUILDING_WITH_KERNEL}/${_src}) 352.else 353 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc} 354.endif 355.endif 356.endfor # _src 357.endfor # _ext 358.endfor # _srcsrc 359 360.if !empty(SRCS:Mmiidevs.h) 361CLEANFILES+= miidevs.h 362.if !exists(@) 363miidevs.h: @ 364.else 365miidevs.h: @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs 366.endif 367 ${AWK} -f @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs 368.endif 369 370.if !empty(SRCS:Mpccarddevs.h) 371CLEANFILES+= pccarddevs.h 372.if !exists(@) 373pccarddevs.h: @ 374.else 375pccarddevs.h: @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs 376.endif 377 ${AWK} -f @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs 378.endif 379 380.if !empty(SRCS:Mpcidevs.h) 381CLEANFILES+= pcidevs.h 382.if !exists(@) 383pcidevs.h: @ 384.else 385pcidevs.h: @/tools/pcidevs2h.awk @/bus/pci/pcidevs 386.endif 387 ${AWK} -f @/tools/pcidevs2h.awk @/bus/pci/pcidevs 388.endif 389 390.if !empty(SRCS:Musbdevs.h) 391CLEANFILES+= usbdevs.h 392.if !exists(@) 393usbdevs.h: @ 394.else 395usbdevs.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs 396.endif 397 ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -h 398.endif 399 400.if !empty(SRCS:Musbdevs_data.h) 401CLEANFILES+= usbdevs_data.h 402.if !exists(@) 403usbdevs_data.h: @ 404.else 405usbdevs_data.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs 406.endif 407 ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -d 408.endif 409 410.if !empty(SRCS:Macpi_quirks.h) 411CLEANFILES+= acpi_quirks.h 412.if !exists(@) 413acpi_quirks.h: @ 414.else 415acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 416.endif 417 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 418.endif 419 420.if !empty(SRCS:Massym.s) 421CLEANFILES+= assym.s genassym.o 422assym.s: genassym.o 423.if defined(BUILDING_WITH_KERNEL) 424genassym.o: opt_global.h 425.endif 426.if !exists(@) 427assym.s: @ 428.else 429assym.s: @/kern/genassym.sh 430.endif 431 sh @/kern/genassym.sh genassym.o > ${.TARGET} 432.if exists(@) 433genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c 434.endif 435genassym.o: @ ${SRCS:Mopt_*.h} 436 ${CC} -c ${CFLAGS:N-fno-common:N-flto:N-mcmodel=small} ${WERROR} \ 437 @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c 438.endif 439 440regress: 441 442.include <bsd.dep.mk> 443 444.if !exists(${DEPENDFILE}) 445${OBJS}: ${SRCS:M*.h} 446.endif 447 448.include <bsd.obj.mk> 449.include "bsd.kern.mk" 450 451# Behaves like MODULE_OVERRIDE 452.if defined(KLD_DEPS) 453all: _kdeps_all 454_kdeps_all: @ 455.for _mdep in ${KLD_DEPS} 456 cd ${SYSDIR}/${_mdep} && make all 457.endfor 458depend: _kdeps_depend 459_kdeps_depend: @ 460.for _mdep in ${KLD_DEPS} 461 cd ${SYSDIR}/${_mdep} && make depend 462.endfor 463install: _kdeps_install 464_kdeps_install: @ 465.for _mdep in ${KLD_DEPS} 466 cd ${SYSDIR}/${_mdep} && make install 467.endfor 468clean: _kdeps_clean 469_kdeps_clean: @ 470.for _mdep in ${KLD_DEPS} 471 cd ${SYSDIR}/${_mdep} && make clean 472.endfor 473.endif 474