Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/conf/kmod.mk
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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1 # From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2 # $FreeBSD$ 3 # 4 # The include file <bsd.kmod.mk> handles building and installing loadable 5 # kernel modules. 6 # 7 # 8 # +++ variables +++ 9 # 10 # CLEANFILES Additional files to remove for the clean and cleandir targets. 11 # 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 15 # exported. 16 # 17 # KMOD The name of the kernel module to build. 18 # 19 # KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel] 20 # 21 # KMODOWN Module file owner. [${BINOWN}] 22 # 23 # KMODGRP Module file group. [${BINGRP}] 24 # 25 # KMODMODE Module file mode. [${BINMODE}] 26 # 27 # KMODLOAD Command to load a kernel module [/sbin/kldload] 28 # 29 # KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 30 # 31 # MFILES Optionally a list of interfaces used by the module. 32 # This file contains a default list of interfaces. 33 # 34 # PROG The name of the kernel module to build. 35 # If not supplied, ${KMOD}.ko is used. 36 # 37 # SRCS List of source files. 38 # 39 # FIRMWS List of firmware images in format filename:shortname:version 40 # 41 # FIRMWARE_LICENSE 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 44 # 45 # DESTDIR The tree where the module gets installed. [not set] 46 # 47 # +++ targets +++ 48 # 49 # install: 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 54 # is executed. 55 # 56 # load: 57 # Load a module. 58 # 59 # unload: 60 # Unload a module. 61 # 62 63 AWK?= awk 64 KMODLOAD?= /sbin/kldload 65 KMODUNLOAD?= /sbin/kldunload 66 OBJCOPY?= objcopy 67 68 .if defined(KMODDEPS) 69 .error "Do not use KMODDEPS on 5.0+; use MODULE_VERSION/MODULE_DEPEND" 70 .endif 71 72 .include <bsd.init.mk> 73 74 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 75 76 .if ${CC} == "icc" 77 CFLAGS:= ${CFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 78 .else 79 . if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing) 80 CFLAGS+= -fno-strict-aliasing 81 . endif 82 #WERROR?= -Werror 83 .endif 84 CFLAGS+= ${WERROR} 85 CFLAGS+= -D_KERNEL 86 CFLAGS+= -DKLD_MODULE 87 88 # Don't use any standard or source-relative include directories. 89 .if ${CC} == "icc" 90 NOSTDINC= -X 91 .else 92 C_DIALECT= -std=c99 93 NOSTDINC= -nostdinc 94 .endif 95 CFLAGS+= ${C_DIALECT} 96 CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*} 97 .if defined(KERNBUILDDIR) 98 CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h 99 .endif 100 101 # Add -I paths for system headers. Individual module makefiles don't 102 # need any -I paths for this. Similar defaults for .PATH can't be 103 # set because there are no standard paths for non-headers. 104 CFLAGS+= -I. -I@ 105 106 # Add -I path for altq headers as they are included via net/if_var.h 107 # for example. 108 CFLAGS+= -I@/contrib/altq 109 110 .if ${CC} != "icc" 111 CFLAGS+= -finline-limit=${INLINE_LIMIT} 112 CFLAGS+= --param inline-unit-growth=100 113 CFLAGS+= --param large-function-growth=1000 114 .endif 115 116 # Disallow common variables, and if we end up with commons from 117 # somewhere unexpected, allocate storage for them in the module itself. 118 .if ${CC} != "icc" 119 CFLAGS+= -fno-common 120 .endif 121 LDFLAGS+= -d -warn-common 122 123 CFLAGS+= ${DEBUG_FLAGS} 124 .if ${MACHINE_ARCH} == amd64 125 CFLAGS+= -fno-omit-frame-pointer 126 .endif 127 128 .if ${MACHINE_ARCH} == "powerpc" 129 CFLAGS+= -mlongcall -fno-omit-frame-pointer 130 .endif 131 132 .if defined(FIRMWS) 133 .if !exists(@) 134 ${KMOD:S/$/.c/}: @ 135 .else 136 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk 137 .endif 138 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \ 139 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE} 140 141 SRCS+= ${KMOD:S/$/.c/} 142 CLEANFILES+= ${KMOD:S/$/.c/} 143 144 .for _firmw in ${FIRMWS} 145 ${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 146 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 147 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 148 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 149 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 150 else \ 151 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 152 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 153 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 154 rm ${_firmw:C/\:.*$//}; \ 155 fi 156 157 OBJS+= ${_firmw:C/\:.*$/.fwo/} 158 .endfor 159 .endif 160 161 OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 162 163 .if !defined(PROG) 164 PROG= ${KMOD}.ko 165 .endif 166 167 .if !defined(DEBUG_FLAGS) 168 FULLPROG= ${PROG} 169 .else 170 FULLPROG= ${PROG}.debug 171 ${PROG}: ${FULLPROG} ${PROG}.symbols 172 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\ 173 ${FULLPROG} ${.TARGET} 174 ${PROG}.symbols: ${FULLPROG} 175 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET} 176 .endif 177 178 .if ${MACHINE_ARCH} != amd64 179 ${FULLPROG}: ${KMOD}.kld 180 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 181 .if !defined(DEBUG_FLAGS) 182 ${OBJCOPY} --strip-debug ${.TARGET} 183 .endif 184 .endif 185 186 EXPORT_SYMS?= NO 187 .if ${EXPORT_SYMS} != YES 188 CLEANFILES+= export_syms 189 .endif 190 191 .if ${MACHINE_ARCH} != amd64 192 ${KMOD}.kld: ${OBJS} 193 .else 194 ${FULLPROG}: ${OBJS} 195 .endif 196 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 197 .if defined(EXPORT_SYMS) 198 .if ${EXPORT_SYMS} != YES 199 .if ${EXPORT_SYMS} == NO 200 :> export_syms 201 .elif !exists(${.CURDIR}/${EXPORT_SYMS}) 202 echo ${EXPORT_SYMS} > export_syms 203 .else 204 grep -v '^#' < ${EXPORT_SYMS} > export_syms 205 .endif 206 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 207 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET} 208 .endif 209 .endif 210 .if !defined(DEBUG_FLAGS) && ${MACHINE_ARCH} == amd64 211 ${OBJCOPY} --strip-debug ${.TARGET} 212 .endif 213 214 _ILINKS=@ machine 215 .if ${MACHINE} != ${MACHINE_ARCH} 216 _ILINKS+=${MACHINE_ARCH} 217 .endif 218 219 all: objwarn ${PROG} 220 221 beforedepend: ${_ILINKS} 222 223 # Ensure that the links exist without depending on it when it exists which 224 # causes all the modules to be rebuilt when the directory pointed to changes. 225 .for _link in ${_ILINKS} 226 .if !exists(${.OBJDIR}/${_link}) 227 ${OBJS}: ${_link} 228 .endif 229 .endfor 230 231 # Search for kernel source tree in standard places. 232 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 233 .if !defined(SYSDIR) && exists(${_dir}/kern/) 234 SYSDIR= ${_dir} 235 .endif 236 .endfor 237 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 238 .error "can't find kernel source tree" 239 .endif 240 241 ${_ILINKS}: 242 @case ${.TARGET} in \ 243 ${MACHINE_ARCH}) \ 244 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 245 machine) \ 246 path=${SYSDIR}/${MACHINE}/include ;; \ 247 @) \ 248 path=${SYSDIR} ;; \ 249 esac ; \ 250 path=`(cd $$path && /bin/pwd)` ; \ 251 ${ECHO} ${.TARGET} "->" $$path ; \ 252 ln -sf $$path ${.TARGET} 253 254 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} 255 256 .if defined(DEBUG_FLAGS) 257 CLEANFILES+= ${FULLPROG} ${PROG}.symbols 258 .endif 259 260 .if !target(install) 261 262 _INSTALLFLAGS:= ${INSTALLFLAGS} 263 .for ie in ${INSTALLFLAGS_EDIT} 264 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 265 .endfor 266 267 .if !target(realinstall) 268 realinstall: _kmodinstall 269 .ORDER: beforeinstall _kmodinstall 270 _kmodinstall: 271 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 272 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 273 .if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) 274 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 275 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR} 276 .endif 277 278 .include <bsd.links.mk> 279 280 .if !defined(NO_XREF) 281 afterinstall: _kldxref 282 .ORDER: realinstall _kldxref 283 .ORDER: _installlinks _kldxref 284 _kldxref: 285 @if type kldxref >/dev/null 2>&1; then \ 286 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 287 kldxref ${DESTDIR}${KMODDIR}; \ 288 fi 289 .endif 290 .endif # !target(realinstall) 291 292 .endif # !target(install) 293 294 .if !target(load) 295 load: ${PROG} 296 ${KMODLOAD} -v ${.OBJDIR}/${PROG} 297 .endif 298 299 .if !target(unload) 300 unload: 301 ${KMODUNLOAD} -v ${PROG} 302 .endif 303 304 .if defined(KERNBUILDDIR) 305 .PATH: ${KERNBUILDDIR} 306 CFLAGS+= -I${KERNBUILDDIR} 307 .for _src in ${SRCS:Mopt_*.h} 308 CLEANFILES+= ${_src} 309 .if !target(${_src}) 310 ${_src}: 311 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET} 312 .endif 313 .endfor 314 .else 315 .for _src in ${SRCS:Mopt_*.h} 316 CLEANFILES+= ${_src} 317 .if !target(${_src}) 318 ${_src}: 319 :> ${.TARGET} 320 .endif 321 .endfor 322 .endif 323 324 MFILES?= dev/acpica/acpi_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \ 325 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \ 326 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \ 327 dev/mii/miibus_if.m dev/ofw/ofw_bus_if.m \ 328 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 329 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_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 dev/usb/usb_if.m isa/isa_if.m \ 334 kern/bus_if.m kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \ 335 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \ 336 pc98/pc98/canbus_if.m pci/agp_if.m 337 338 .for _srcsrc in ${MFILES} 339 .for _ext in c h 340 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 341 CLEANFILES+= ${_src} 342 .if !target(${_src}) 343 .if !exists(@) 344 ${_src}: @ 345 .else 346 ${_src}: @/tools/makeobjops.awk @/${_srcsrc} 347 .endif 348 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 349 .endif 350 .endfor # _src 351 .endfor # _ext 352 .endfor # _srcsrc 353 354 .if !empty(SRCS:Mvnode_if.c) 355 CLEANFILES+= vnode_if.c 356 .if !exists(@) 357 vnode_if.c: @ 358 .else 359 vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src 360 .endif 361 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c 362 .endif 363 364 .if !empty(SRCS:Mvnode_if.h) 365 CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h 366 .if !exists(@) 367 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @ 368 .else 369 vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \ 370 @/kern/vnode_if.src 371 .endif 372 vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 373 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h 374 vnode_if_newproto.h: 375 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p 376 vnode_if_typedef.h: 377 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q 378 .endif 379 380 .for _i in mii pccard 381 .if !empty(SRCS:M${_i}devs.h) 382 CLEANFILES+= ${_i}devs.h 383 .if !exists(@) 384 ${_i}devs.h: @ 385 .else 386 ${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 387 .endif 388 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 389 .endif 390 .endfor # _i 391 392 .if !empty(SRCS:Musbdevs.h) 393 CLEANFILES+= usbdevs.h 394 .if !exists(@) 395 usbdevs.h: @ 396 .else 397 usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 398 .endif 399 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h 400 .endif 401 402 .if !empty(SRCS:Musbdevs_data.h) 403 CLEANFILES+= usbdevs_data.h 404 .if !exists(@) 405 usbdevs_data.h: @ 406 .else 407 usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 408 .endif 409 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d 410 .endif 411 412 .if !empty(SRCS:Macpi_quirks.h) 413 CLEANFILES+= acpi_quirks.h 414 .if !exists(@) 415 acpi_quirks.h: @ 416 .else 417 acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 418 .endif 419 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 420 .endif 421 422 .if !empty(SRCS:Massym.s) 423 CLEANFILES+= assym.s genassym.o 424 assym.s: genassym.o 425 .if !exists(@) 426 assym.s: @ 427 .else 428 assym.s: @/kern/genassym.sh 429 .endif 430 sh @/kern/genassym.sh genassym.o > ${.TARGET} 431 .if exists(@) 432 genassym.o: @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 433 .endif 434 genassym.o: @ machine ${SRCS:Mopt_*.h} 435 ${CC} -c ${CFLAGS:N-fno-common} \ 436 @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 437 .endif 438 439 lint: ${SRCS} 440 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 441 442 .include <bsd.dep.mk> 443 444 cleandepend: cleanilinks 445 # .depend needs include links so we remove them only together. 446 cleanilinks: 447 rm -f ${_ILINKS} 448 449 .if !exists(${.OBJDIR}/${DEPENDFILE}) 450 ${OBJS}: ${SRCS:M*.h} 451 .endif 452 453 .include <bsd.obj.mk> 454 .include "kern.mk"
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