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, ${KMOD}.ko is used. 36# 37# SRCS List of source files. 38# 39# FIRMWS List of firmware images in format filename:shortname:version 40# 41# FIRMWARE_LICENSE 42# Set to the name of the license the user has to agree on in 43# order to use this firmware. See /usr/share/doc/legal 44# 45# DESTDIR The tree where the module gets installed. [not set] 46# 47# +++ targets +++ 48# 49# install: 50# install the kernel module; if the Makefile 51# does not itself define the target install, the targets 52# beforeinstall and afterinstall may also be used to cause 53# actions immediately before and after the install target 54# is executed. 55# 56# load: 57# Load a module. 58# 59# unload: 60# Unload a module. 61# 62 63# backwards compat option for older systems. 64MACHINE_CPUARCH?=${MACHINE_ARCH:C/mipse[lb]/mips/:C/armeb/arm/:C/powerpc64/powerpc/} 65 66AWK?= awk 67KMODLOAD?= /sbin/kldload 68KMODUNLOAD?= /sbin/kldunload 69OBJCOPY?= objcopy 70 71.if defined(KMODDEPS) 72.error "Do not use KMODDEPS on 5.0+; use MODULE_VERSION/MODULE_DEPEND" 73.endif 74 75# Enable CTF conversion on request. 76.if defined(WITH_CTF) 77.undef NO_CTF 78.endif 79 80.include <bsd.init.mk> 81 82.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 83 84# amd64 and mips use direct linking for kmod, all others use shared binaries 85.if ${MACHINE_CPUARCH} != amd64 && ${MACHINE_CPUARCH} != mips 86__KLD_SHARED=yes 87.else 88__KLD_SHARED=no 89.endif 90 91.if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing) 92CFLAGS+= -fno-strict-aliasing 93.endif 94WERROR?= -Werror 95CFLAGS+= ${WERROR} 96CFLAGS+= -D_KERNEL 97CFLAGS+= -DKLD_MODULE 98 99# Don't use any standard or source-relative include directories. 100CSTD= c99 101NOSTDINC= -nostdinc 102CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*} 103.if defined(KERNBUILDDIR) 104CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h 105.endif 106 107# Add -I paths for system headers. Individual module makefiles don't 108# need any -I paths for this. Similar defaults for .PATH can't be 109# set because there are no standard paths for non-headers. 110CFLAGS+= -I. -I@ 111 112# Add -I path for altq headers as they are included via net/if_var.h 113# for example. 114CFLAGS+= -I@/contrib/altq 115 116.if ${CC:T:Mclang} != "clang" 117CFLAGS+= -finline-limit=${INLINE_LIMIT} 118CFLAGS+= --param inline-unit-growth=100 119CFLAGS+= --param large-function-growth=1000 120.endif 121 122# Disallow common variables, and if we end up with commons from 123# somewhere unexpected, allocate storage for them in the module itself. 124CFLAGS+= -fno-common 125LDFLAGS+= -d -warn-common 126 127CFLAGS+= ${DEBUG_FLAGS} 128.if ${MACHINE_CPUARCH} == amd64 129CFLAGS+= -fno-omit-frame-pointer 130.endif 131 132.if ${MACHINE_CPUARCH} == powerpc 133CFLAGS+= -mlongcall -fno-omit-frame-pointer 134.endif 135 136.if ${MACHINE_CPUARCH} == mips 137CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls 138.endif 139 140.if defined(DEBUG) || defined(DEBUG_FLAGS) 141CTFFLAGS+= -g 142.endif 143 144.if defined(FIRMWS) 145.if !exists(@) 146${KMOD:S/$/.c/}: @ 147.else 148${KMOD:S/$/.c/}: @/tools/fw_stub.awk 149.endif 150 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \ 151 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE} 152 153SRCS+= ${KMOD:S/$/.c/} 154CLEANFILES+= ${KMOD:S/$/.c/} 155 156.for _firmw in ${FIRMWS} 157${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 158 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 159 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 160 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 161 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 162 else \ 163 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 164 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 165 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 166 rm ${_firmw:C/\:.*$//}; \ 167 fi 168 169OBJS+= ${_firmw:C/\:.*$/.fwo/} 170.endfor 171.endif 172 173OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 174 175.if !defined(PROG) 176PROG= ${KMOD}.ko 177.endif 178 179.if !defined(DEBUG_FLAGS) 180FULLPROG= ${PROG} 181.else 182FULLPROG= ${PROG}.debug 183${PROG}: ${FULLPROG} ${PROG}.symbols 184 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\ 185 ${FULLPROG} ${.TARGET} 186${PROG}.symbols: ${FULLPROG} 187 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET} 188.endif 189 190.if ${__KLD_SHARED} == yes 191${FULLPROG}: ${KMOD}.kld 192 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 193.if !defined(DEBUG_FLAGS) 194 ${OBJCOPY} --strip-debug ${.TARGET} 195.endif 196.endif 197 198EXPORT_SYMS?= NO 199.if ${EXPORT_SYMS} != YES 200CLEANFILES+= export_syms 201.endif 202 203.if ${__KLD_SHARED} == yes 204${KMOD}.kld: ${OBJS} 205.else 206${FULLPROG}: ${OBJS} 207.endif 208 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 209 @[ -z "${CTFMERGE}" -o -n "${NO_CTF}" ] || ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS} 210.if defined(EXPORT_SYMS) 211.if ${EXPORT_SYMS} != YES 212.if ${EXPORT_SYMS} == NO 213 :> export_syms 214.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 215 echo ${EXPORT_SYMS} > export_syms 216.else 217 grep -v '^#' < ${EXPORT_SYMS} > export_syms 218.endif 219 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 220 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET} 221.endif 222.endif 223.if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no 224 ${OBJCOPY} --strip-debug ${.TARGET} 225.endif 226 227_ILINKS=@ machine 228.if ${MACHINE} != ${MACHINE_CPUARCH} 229_ILINKS+=${MACHINE_CPUARCH} 230.endif 231.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 232_ILINKS+=x86 233.endif 234 235all: objwarn ${PROG} 236 237beforedepend: ${_ILINKS} 238 239# Ensure that the links exist without depending on it when it exists which 240# causes all the modules to be rebuilt when the directory pointed to changes. 241.for _link in ${_ILINKS} 242.if !exists(${.OBJDIR}/${_link}) 243${OBJS}: ${_link} 244.endif 245.endfor 246 247# Search for kernel source tree in standard places. 248.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 249.if !defined(SYSDIR) && exists(${_dir}/kern/) 250SYSDIR= ${_dir} 251.endif 252.endfor 253.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 254.error "can't find kernel source tree" 255.endif 256 257${_ILINKS}: 258 @case ${.TARGET} in \ 259 machine) \ 260 path=${SYSDIR}/${MACHINE}/include ;; \ 261 @) \ 262 path=${SYSDIR} ;; \ 263 *) \ 264 path=${SYSDIR}/${.TARGET}/include ;; \ 265 esac ; \ 266 path=`(cd $$path && /bin/pwd)` ; \ 267 ${ECHO} ${.TARGET} "->" $$path ; \ 268 ln -sf $$path ${.TARGET} 269 270CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} 271 272.if defined(DEBUG_FLAGS) 273CLEANFILES+= ${FULLPROG} ${PROG}.symbols 274.endif 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 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 288 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 289.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) && \ 290 (defined(MK_KERNEL_SYMBOLS) && ${MK_KERNEL_SYMBOLS} != "no") 291 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 292 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR} 293.endif 294 295.include <bsd.links.mk> 296 297.if !defined(NO_XREF) 298afterinstall: _kldxref 299.ORDER: realinstall _kldxref 300.ORDER: _installlinks _kldxref 301_kldxref: 302 @if type kldxref >/dev/null 2>&1; then \ 303 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 304 kldxref ${DESTDIR}${KMODDIR}; \ 305 fi 306.endif 307.endif # !target(realinstall) 308 309.endif # !target(install) 310 311.if !target(load) 312load: ${PROG} 313 ${KMODLOAD} -v ${.OBJDIR}/${PROG} 314.endif 315 316.if !target(unload) 317unload: 318 ${KMODUNLOAD} -v ${PROG} 319.endif 320 321.if defined(KERNBUILDDIR) 322.PATH: ${KERNBUILDDIR} 323CFLAGS+= -I${KERNBUILDDIR} 324.for _src in ${SRCS:Mopt_*.h} 325CLEANFILES+= ${_src} 326.if !target(${_src}) 327${_src}: 328 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET} 329.endif 330.endfor 331.else 332.for _src in ${SRCS:Mopt_*.h} 333CLEANFILES+= ${_src} 334.if !target(${_src}) 335${_src}: 336 :> ${.TARGET} 337.endif 338.endfor 339.endif 340 341# Respect configuration-specific C flags. 342CFLAGS+= ${CONF_CFLAGS} 343 344MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \ 345 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \ 346 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \ 347 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \ 348 dev/mii/miibus_if.m dev/mvs/mvs_if.m dev/ofw/ofw_bus_if.m \ 349 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 350 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 351 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 352 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 353 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \ 354 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \ 355 kern/bus_if.m kern/clock_if.m \ 356 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \ 357 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \ 358 pc98/pc98/canbus_if.m 359 360.for _srcsrc in ${MFILES} 361.for _ext in c h 362.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 363CLEANFILES+= ${_src} 364.if !target(${_src}) 365.if !exists(@) 366${_src}: @ 367.else 368${_src}: @/tools/makeobjops.awk @/${_srcsrc} 369.endif 370 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 371.endif 372.endfor # _src 373.endfor # _ext 374.endfor # _srcsrc 375 376.if !empty(SRCS:Mvnode_if.c) 377CLEANFILES+= vnode_if.c 378.if !exists(@) 379vnode_if.c: @ 380.else 381vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src 382.endif 383 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c 384.endif 385 386.if !empty(SRCS:Mvnode_if.h) 387CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h 388.if !exists(@) 389vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @ 390.else 391vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \ 392 @/kern/vnode_if.src 393.endif 394vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 395 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h 396vnode_if_newproto.h: 397 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p 398vnode_if_typedef.h: 399 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q 400.endif 401 402.for _i in mii pccard 403.if !empty(SRCS:M${_i}devs.h) 404CLEANFILES+= ${_i}devs.h 405.if !exists(@) 406${_i}devs.h: @ 407.else 408${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 409.endif 410 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 411.endif 412.endfor # _i 413 414.if !empty(SRCS:Musbdevs.h) 415CLEANFILES+= usbdevs.h 416.if !exists(@) 417usbdevs.h: @ 418.else 419usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 420.endif 421 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h 422.endif 423 424.if !empty(SRCS:Musbdevs_data.h) 425CLEANFILES+= usbdevs_data.h 426.if !exists(@) 427usbdevs_data.h: @ 428.else 429usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 430.endif 431 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d 432.endif 433 434.if !empty(SRCS:Macpi_quirks.h) 435CLEANFILES+= acpi_quirks.h 436.if !exists(@) 437acpi_quirks.h: @ 438.else 439acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 440.endif 441 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 442.endif 443 444.if !empty(SRCS:Massym.s) 445CLEANFILES+= assym.s genassym.o 446assym.s: genassym.o 447.if defined(KERNBUILDDIR) 448genassym.o: opt_global.h 449.endif 450.if !exists(@) 451assym.s: @ 452.else 453assym.s: @/kern/genassym.sh 454.endif 455 sh @/kern/genassym.sh genassym.o > ${.TARGET} 456.if exists(@) 457genassym.o: @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c 458.endif 459genassym.o: @ machine ${SRCS:Mopt_*.h} 460 ${CC} -c ${CFLAGS:N-fno-common} \ 461 @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c 462.endif 463 464lint: ${SRCS} 465 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 466 467.if defined(KERNBUILDDIR) 468${OBJS}: opt_global.h 469.endif 470 471.include <bsd.dep.mk> 472 473cleandepend: cleanilinks 474# .depend needs include links so we remove them only together. 475cleanilinks: 476 rm -f ${_ILINKS} 477 478.if !exists(${.OBJDIR}/${DEPENDFILE}) 479${OBJS}: ${SRCS:M*.h} 480.endif 481 482.include <bsd.obj.mk> 483.include "kern.mk" 484