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# For <openssl/headerfile> 130# 131CFLAGS+=-I@/../crypto/libressl/include 132 133.include "kern.fwd.mk" 134 135# Add a -I path to standard headers like <stddef.h>. Use a relative 136# path to src/include if possible. If the @ symlink hasn't been built 137# yet, then we can't tell if the relative path exists. Add both the 138# potential relative path and an absolute path in that case. 139.if exists(@) 140.if exists(@/../include) 141CFLAGS+= -I@/../include 142.else 143CFLAGS+= -I${DESTDIR}/usr/include 144.endif 145.else # !@ 146CFLAGS+= -I@/../include -I${DESTDIR}/usr/include 147.endif # @ 148 149.if defined(BUILDING_WITH_KERNEL) && \ 150 exists(${BUILDING_WITH_KERNEL}/opt_global.h) 151CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${BUILDING_WITH_KERNEL}/opt_global.h 152.endif 153 154CFLAGS+= ${DEBUG_FLAGS} 155.if ${MACHINE_ARCH} == "x86_64" 156CFLAGS+= -fno-omit-frame-pointer 157.endif 158 159.include <bsd.patch.mk> 160 161.if defined(FIRMWS) 162AWK=/usr/bin/awk 163.if !exists(@) 164${KMOD:S/$/.c/}: @ 165.else 166${KMOD:S/$/.c/}: @/tools/fw_stub.awk 167.endif 168 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \ 169 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE} 170 171SRCS+= ${KMOD:S/$/.c/} 172CLEANFILES+= ${KMOD:S/$/.c/} 173 174.for _firmw in ${FIRMWS} 175${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 176 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 177 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 178 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 179 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 180 else \ 181 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 182 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 183 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 184 rm ${_firmw:C/\:.*$//}; \ 185 fi 186 187OBJS+= ${_firmw:C/\:.*$/.fwo/} 188.endfor 189.endif 190 191OBJS+= ${SRCS:N*.h:N*.patch:R:S/$/.o/g} 192 193.if !defined(PROG) 194PROG= ${KMOD}.ko 195.endif 196 197# In case of LTO provide all standard CFLAGS! 198.if ${CFLAGS:M-flto} 199ELDFLAGS+= ${CFLAGS} 200.endif 201 202.if ${MACHINE_ARCH} != x86_64 203${PROG}: ${KMOD}.kld 204 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 205 -Wl,-Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 206.endif 207 208.if ${MACHINE_ARCH} != x86_64 209${KMOD}.kld: ${OBJS} 210 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 211 ${LDFLAGS} -r -o ${.TARGET} ${OBJS} 212.else 213${PROG}: ${OBJS} 214 ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \ 215 ${LDFLAGS} -r -Wl,-d -o ${.TARGET} ${OBJS} 216.endif 217 218# links to platform and cpu architecture include files. If we are 219# building with a kernel these already exist in the kernel build dir. 220# '@' is a link to the system source. 221.if defined(BUILDING_WITH_KERNEL) 222_ILINKS=@ 223.else 224_ILINKS=@ machine_base machine cpu_base cpu 225.endif 226 227.if defined(ARCH) 228_ILINKS+=${ARCH} 229.endif 230 231all: objwarn fwheaders ${PROG} 232 233beforedepend: fwheaders 234fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE} 235# Ensure that the links exist without depending on it when it exists which 236# causes all the modules to be rebuilt when the directory pointed to changes. 237.for _link in ${_ILINKS} 238.if !exists(${.OBJDIR}/${_link}) 239${OBJS}: ${_link} 240.endif 241.endfor 242 243# Search for kernel source tree in standard places. 244.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys 245.if !defined(SYSDIR) && exists(${_dir}/kern/) 246SYSDIR= ${_dir} 247.endif 248.endfor 249.if !defined(SYSDIR) || !exists(${SYSDIR}/kern) 250.error "can't find kernel source tree" 251.endif 252S= ${SYSDIR} 253 254# path=`(cd $$path && /bin/pwd)` ; 255 256${_ILINKS}: 257 @case ${.TARGET} in \ 258 machine) \ 259 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \ 260 machine_base) \ 261 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \ 262 cpu) \ 263 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \ 264 cpu_base) \ 265 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \ 266 @) \ 267 path=${SYSDIR} ;; \ 268 arch_*) \ 269 path=${.CURDIR}/${MACHINE_ARCH} ;; \ 270 esac ; \ 271 ${ECHO} ${.TARGET} "->" $$path ; \ 272 ${LN} -s $$path ${.TARGET} 273 274CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o 275 276.if !target(install) 277 278_INSTALLFLAGS:= ${INSTALLFLAGS} 279.for ie in ${INSTALLFLAGS_EDIT} 280_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 281.endfor 282 283.if !target(realinstall) 284realinstall: _kmodinstall 285.ORDER: beforeinstall _kmodinstall 286_kmodinstall: 287.if defined(INSTALLSTRIPPEDMODULES) 288 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 289 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 290 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG} 291.else 292 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 293 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 294.endif 295.endif # !target(realinstall) 296 297.include <bsd.links.mk> 298 299.endif # !target(install) 300 301.if !target(load) 302load: ${PROG} 303 ${KMODLOAD} -v ./${KMOD}.ko 304.endif 305 306.if !target(unload) 307unload: 308 ${KMODUNLOAD} -v ${KMOD} 309.endif 310 311.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h} 312CLEANFILES+= ${_src} 313.if !target(${_src}) 314.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src}) 315${_src}: ${BUILDING_WITH_KERNEL}/${_src} 316# we do not have to copy these files any more, the kernel build 317# directory is included in the path now. 318# cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET} 319.else 320${_src}: 321 touch ${.TARGET} 322.endif # BUILDING_WITH_KERNEL 323.endif 324.endfor 325 326MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \ 327 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \ 328 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \ 329 bus/pci/pcib_if.m \ 330 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/u4b/usb_if.m \ 331 dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \ 332 dev/disk/sdhci/sdhci_if.m \ 333 dev/sound/pci/hda/hdac_if.m \ 334 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 335 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 336 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \ 337 dev/sound/midi/synth_if.m \ 338 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \ 339 bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \ 340 dev/virtual/virtio/virtio/virtio_bus_if.m \ 341 dev/misc/coremctl/coremctl_if.m kern/cpu_if.m \ 342 bus/gpio/gpio_if.m 343 344.for _srcsrc in ${MFILES} 345.for _ext in c h 346.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 347CLEANFILES+= ${_src} 348.if !target(${_src}) 349${_src}: @ 350.if exists(@) 351${_src}: @/tools/makeobjops.awk @/${_srcsrc} 352.endif 353 354.if defined(BUILDING_WITH_KERNEL) && \ 355 exists(${BUILDING_WITH_KERNEL}/${_src}) 356.else 357 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc} 358.endif 359.endif 360.endfor # _src 361.endfor # _ext 362.endfor # _srcsrc 363 364#.for _ext in c h 365#.if ${SRCS:Mvnode_if.${_ext}} != "" 366#CLEANFILES+= vnode_if.${_ext} 367#vnode_if.${_ext}: @ 368#.if exists(@) 369#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src 370#.endif 371# awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src 372#.endif 373#.endfor 374 375.if !empty(SRCS:Mmiidevs.h) 376CLEANFILES+= miidevs.h 377.if !exists(@) 378miidevs.h: @ 379.else 380miidevs.h: @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs 381.endif 382 ${AWK} -f @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs 383.endif 384 385.if !empty(SRCS:Mpccarddevs.h) 386CLEANFILES+= pccarddevs.h 387.if !exists(@) 388pccarddevs.h: @ 389.else 390pccarddevs.h: @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs 391.endif 392 ${AWK} -f @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs 393.endif 394 395.if !empty(SRCS:Mpcidevs.h) 396CLEANFILES+= pcidevs.h 397.if !exists(@) 398pcidevs.h: @ 399.else 400pcidevs.h: @/tools/pcidevs2h.awk @/bus/pci/pcidevs 401.endif 402 ${AWK} -f @/tools/pcidevs2h.awk @/bus/pci/pcidevs 403.endif 404 405.if !empty(SRCS:Musbdevs.h) 406CLEANFILES+= usbdevs.h 407.if !exists(@) 408usbdevs.h: @ 409.else 410usbdevs.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs 411.endif 412 ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -h 413.endif 414 415.if !empty(SRCS:Musbdevs_data.h) 416CLEANFILES+= usbdevs_data.h 417.if !exists(@) 418usbdevs_data.h: @ 419.else 420usbdevs_data.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs 421.endif 422 ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -d 423.endif 424 425.if !empty(SRCS:Macpi_quirks.h) 426CLEANFILES+= acpi_quirks.h 427.if !exists(@) 428acpi_quirks.h: @ 429.else 430acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 431.endif 432 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 433.endif 434 435.if !empty(SRCS:Massym.s) 436CLEANFILES+= assym.s genassym.o 437assym.s: genassym.o 438.if defined(BUILDING_WITH_KERNEL) 439genassym.o: opt_global.h 440.endif 441.if !exists(@) 442assym.s: @ 443.else 444assym.s: @/kern/genassym.sh 445.endif 446 sh @/kern/genassym.sh genassym.o > ${.TARGET} 447.if exists(@) 448genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c 449.endif 450genassym.o: @ ${SRCS:Mopt_*.h} 451 ${CC} -c ${CFLAGS:N-fno-common:N-flto:N-mcmodel=small} ${WERROR} \ 452 @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c 453.endif 454 455regress: 456 457.include <bsd.dep.mk> 458 459.if !exists(${DEPENDFILE}) 460${OBJS}: ${SRCS:M*.h} 461.endif 462 463.include <bsd.obj.mk> 464.include "bsd.kern.mk" 465 466# Behaves like MODULE_OVERRIDE 467.if defined(KLD_DEPS) 468all: _kdeps_all 469_kdeps_all: @ 470.for _mdep in ${KLD_DEPS} 471 cd ${SYSDIR}/${_mdep} && make all 472.endfor 473depend: _kdeps_depend 474_kdeps_depend: @ 475.for _mdep in ${KLD_DEPS} 476 cd ${SYSDIR}/${_mdep} && make depend 477.endfor 478install: _kdeps_install 479_kdeps_install: @ 480.for _mdep in ${KLD_DEPS} 481 cd ${SYSDIR}/${_mdep} && make install 482.endfor 483clean: _kdeps_clean 484_kdeps_clean: @ 485.for _mdep in ${KLD_DEPS} 486 cd ${SYSDIR}/${_mdep} && make clean 487.endfor 488.endif 489