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 63AWK?= awk 64KMODLOAD?= /sbin/kldload 65KMODUNLOAD?= /sbin/kldunload 66OBJCOPY?= objcopy 67 68.if defined(KMODDEPS) 69.error "Do not use KMODDEPS on 5.0+; use MODULE_VERSION/MODULE_DEPEND" 70.endif 71 72# Enable CTF conversion on request. 73.if defined(WITH_CTF) 74.undef NO_CTF 75.endif 76 77.include <bsd.init.mk> 78 79.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 80 81.if ${CC} == "icc" 82CFLAGS:= ${CFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 83.else 84. if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing) 85CFLAGS+= -fno-strict-aliasing 86. endif 87WERROR?= -Werror 88.endif 89CFLAGS+= ${WERROR} 90CFLAGS+= -D_KERNEL 91CFLAGS+= -DKLD_MODULE 92 93# Don't use any standard or source-relative include directories. 94.if ${CC} == "icc" 95NOSTDINC= -X 96.else 97CSTD= c99 98NOSTDINC= -nostdinc 99.endif 100CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*} 101.if defined(KERNBUILDDIR) 102CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h 103.endif 104 105# Add -I paths for system headers. Individual module makefiles don't 106# need any -I paths for this. Similar defaults for .PATH can't be 107# set because there are no standard paths for non-headers. 108CFLAGS+= -I. -I@ 109 110# Add -I path for altq headers as they are included via net/if_var.h 111# for example. 112CFLAGS+= -I@/contrib/altq 113 114.if ${CC} != "icc" 115CFLAGS+= -finline-limit=${INLINE_LIMIT} 116CFLAGS+= --param inline-unit-growth=100 117CFLAGS+= --param large-function-growth=1000 118.endif 119 120# Disallow common variables, and if we end up with commons from 121# somewhere unexpected, allocate storage for them in the module itself. 122.if ${CC} != "icc" 123CFLAGS+= -fno-common 124.endif 125LDFLAGS+= -d -warn-common 126 127CFLAGS+= ${DEBUG_FLAGS} 128.if ${MACHINE_ARCH} == amd64 129CFLAGS+= -fno-omit-frame-pointer 130.endif 131 132.if ${MACHINE_ARCH} == "powerpc" 133CFLAGS+= -mlongcall -fno-omit-frame-pointer 134.endif 135 136.if ${MACHINE_ARCH} == "mips" 137CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls 138.endif 139 140.if defined(FIRMWS) 141.if !exists(@) 142${KMOD:S/$/.c/}: @ 143.else 144${KMOD:S/$/.c/}: @/tools/fw_stub.awk 145.endif 146 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \ 147 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE} 148 149SRCS+= ${KMOD:S/$/.c/} 150CLEANFILES+= ${KMOD:S/$/.c/} 151 152.for _firmw in ${FIRMWS} 153${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 154 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 155 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 156 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 157 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 158 else \ 159 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 160 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 161 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 162 rm ${_firmw:C/\:.*$//}; \ 163 fi 164 165OBJS+= ${_firmw:C/\:.*$/.fwo/} 166.endfor 167.endif 168 169OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 170 171.if !defined(PROG) 172PROG= ${KMOD}.ko 173.endif 174 175.if !defined(DEBUG_FLAGS) 176FULLPROG= ${PROG} 177.else 178FULLPROG= ${PROG}.debug 179${PROG}: ${FULLPROG} ${PROG}.symbols 180 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\ 181 ${FULLPROG} ${.TARGET} 182${PROG}.symbols: ${FULLPROG} 183 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET} 184.endif 185 186.if ${MACHINE_ARCH} != amd64 && ${MACHINE_ARCH} != mips 187${FULLPROG}: ${KMOD}.kld 188 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 189.if !defined(DEBUG_FLAGS) 190 ${OBJCOPY} --strip-debug ${.TARGET} 191.endif 192.endif 193 194EXPORT_SYMS?= NO 195.if ${EXPORT_SYMS} != YES 196CLEANFILES+= export_syms 197.endif 198 199.if ${MACHINE_ARCH} != amd64 && ${MACHINE_ARCH} != mips 200${KMOD}.kld: ${OBJS} 201.else 202${FULLPROG}: ${OBJS} 203.endif 204 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 205.if defined(EXPORT_SYMS) 206.if ${EXPORT_SYMS} != YES 207.if ${EXPORT_SYMS} == NO 208 :> export_syms 209.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 210 echo ${EXPORT_SYMS} > export_syms 211.else 212 grep -v '^#' < ${EXPORT_SYMS} > export_syms 213.endif 214 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 215 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET} 216.endif 217.endif 218.if !defined(DEBUG_FLAGS) && \ 219 (${MACHINE_ARCH} == amd64 || ${MACHINE_ARCH} == mips) 220 ${OBJCOPY} --strip-debug ${.TARGET} 221.endif 222 223_ILINKS=@ machine 224.if ${MACHINE} != ${MACHINE_ARCH} 225_ILINKS+=${MACHINE_ARCH} 226.endif 227 228all: objwarn ${PROG} 229 230beforedepend: ${_ILINKS} 231 232# Ensure that the links exist without depending on it when it exists which 233# causes all the modules to be rebuilt when the directory pointed to changes. 234.for _link in ${_ILINKS} 235.if !exists(${.OBJDIR}/${_link}) 236${OBJS}: ${_link} 237.endif 238.endfor 239 240# Search for kernel source tree in standard places. 241.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 242.if !defined(SYSDIR) && exists(${_dir}/kern/) 243SYSDIR= ${_dir} 244.endif 245.endfor 246.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 247.error "can't find kernel source tree" 248.endif 249 250${_ILINKS}: 251 @case ${.TARGET} in \ 252 ${MACHINE_ARCH}) \ 253 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 254 machine) \ 255 path=${SYSDIR}/${MACHINE}/include ;; \ 256 @) \ 257 path=${SYSDIR} ;; \ 258 esac ; \ 259 path=`(cd $$path && /bin/pwd)` ; \ 260 ${ECHO} ${.TARGET} "->" $$path ; \ 261 ln -sf $$path ${.TARGET} 262 263CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} 264 265.if defined(DEBUG_FLAGS) 266CLEANFILES+= ${FULLPROG} ${PROG}.symbols 267.endif 268 269.if !target(install) 270 271_INSTALLFLAGS:= ${INSTALLFLAGS} 272.for ie in ${INSTALLFLAGS_EDIT} 273_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 274.endfor 275 276.if !target(realinstall) 277realinstall: _kmodinstall 278.ORDER: beforeinstall _kmodinstall 279_kmodinstall: 280 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 281 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 282.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) 283 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 284 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR} 285.endif 286 287.include <bsd.links.mk> 288 289.if !defined(NO_XREF) 290afterinstall: _kldxref 291.ORDER: realinstall _kldxref 292.ORDER: _installlinks _kldxref 293_kldxref: 294 @if type kldxref >/dev/null 2>&1; then \ 295 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 296 kldxref ${DESTDIR}${KMODDIR}; \ 297 fi 298.endif 299.endif # !target(realinstall) 300 301.endif # !target(install) 302 303.if !target(load) 304load: ${PROG} 305 ${KMODLOAD} -v ${.OBJDIR}/${PROG} 306.endif 307 308.if !target(unload) 309unload: 310 ${KMODUNLOAD} -v ${PROG} 311.endif 312 313.if defined(KERNBUILDDIR) 314.PATH: ${KERNBUILDDIR} 315CFLAGS+= -I${KERNBUILDDIR} 316.for _src in ${SRCS:Mopt_*.h} 317CLEANFILES+= ${_src} 318.if !target(${_src}) 319${_src}: 320 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET} 321.endif 322.endfor 323.else 324.for _src in ${SRCS:Mopt_*.h} 325CLEANFILES+= ${_src} 326.if !target(${_src}) 327${_src}: 328 :> ${.TARGET} 329.endif 330.endfor 331.endif 332 333# Respect configuration-specific C flags. 334CFLAGS+= ${CONF_CFLAGS} 335 336MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \ 337 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \ 338 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \ 339 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \ 340 dev/mii/miibus_if.m dev/ofw/ofw_bus_if.m \ 341 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 342 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 343 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 344 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 345 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \ 346 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \ 347 kern/bus_if.m kern/clock_if.m \ 348 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \ 349 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \ 350 pc98/pc98/canbus_if.m 351 352.for _srcsrc in ${MFILES} 353.for _ext in c h 354.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 355CLEANFILES+= ${_src} 356.if !target(${_src}) 357.if !exists(@) 358${_src}: @ 359.else 360${_src}: @/tools/makeobjops.awk @/${_srcsrc} 361.endif 362 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 363.endif 364.endfor # _src 365.endfor # _ext 366.endfor # _srcsrc 367 368.if !empty(SRCS:Mvnode_if.c) 369CLEANFILES+= vnode_if.c 370.if !exists(@) 371vnode_if.c: @ 372.else 373vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src 374.endif 375 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c 376.endif 377 378.if !empty(SRCS:Mvnode_if.h) 379CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h 380.if !exists(@) 381vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @ 382.else 383vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \ 384 @/kern/vnode_if.src 385.endif 386vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 387 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h 388vnode_if_newproto.h: 389 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p 390vnode_if_typedef.h: 391 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q 392.endif 393 394.for _i in mii pccard 395.if !empty(SRCS:M${_i}devs.h) 396CLEANFILES+= ${_i}devs.h 397.if !exists(@) 398${_i}devs.h: @ 399.else 400${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 401.endif 402 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 403.endif 404.endfor # _i 405 406.if !empty(SRCS:Musbdevs.h) 407CLEANFILES+= usbdevs.h 408.if !exists(@) 409usbdevs.h: @ 410.else 411usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 412.endif 413 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h 414.endif 415 416.if !empty(SRCS:Musbdevs_data.h) 417CLEANFILES+= usbdevs_data.h 418.if !exists(@) 419usbdevs_data.h: @ 420.else 421usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 422.endif 423 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d 424.endif 425 426.if !empty(SRCS:Macpi_quirks.h) 427CLEANFILES+= acpi_quirks.h 428.if !exists(@) 429acpi_quirks.h: @ 430.else 431acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 432.endif 433 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 434.endif 435 436.if !empty(SRCS:Massym.s) 437CLEANFILES+= assym.s genassym.o 438assym.s: genassym.o 439.if defined(KERNBUILDDIR) 440genassym.o: opt_global.h 441.endif 442.if !exists(@) 443assym.s: @ 444.else 445assym.s: @/kern/genassym.sh 446.endif 447 sh @/kern/genassym.sh genassym.o > ${.TARGET} 448.if exists(@) 449genassym.o: @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 450.endif 451genassym.o: @ machine ${SRCS:Mopt_*.h} 452 ${CC} -c ${CFLAGS:N-fno-common} \ 453 @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 454.endif 455 456lint: ${SRCS} 457 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 458 459.if defined(KERNBUILDDIR) 460${OBJS}: opt_global.h 461.endif 462 463.include <bsd.dep.mk> 464 465cleandepend: cleanilinks 466# .depend needs include links so we remove them only together. 467cleanilinks: 468 rm -f ${_ILINKS} 469 470.if !exists(${.OBJDIR}/${DEPENDFILE}) 471${OBJS}: ${SRCS:M*.h} 472.endif 473 474.include <bsd.obj.mk> 475.include "kern.mk" 476