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