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 ${MACHINE_ARCH} == "mips" 137CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls 138.endif 139 140.if defined(DEBUG) || defined(DEBUG_FLAGS) 141CTFFLAGS+= -g 142.endif 143 144.if defined(FIRMWS) 145.if !exists(@) 146${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 ${MACHINE_ARCH} != amd64 && ${MACHINE_ARCH} != mips 191${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 ${MACHINE_ARCH} != amd64 && ${MACHINE_ARCH} != mips 204${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} % ${.TARGET} 221.endif 222.endif 223.if !defined(DEBUG_FLAGS) && \ 224 (${MACHINE_ARCH} == amd64 || ${MACHINE_ARCH} == mips) 225 ${OBJCOPY} --strip-debug ${.TARGET} 226.endif 227 228_ILINKS=@ machine 229.if ${MACHINE} != ${MACHINE_ARCH} 230_ILINKS+=${MACHINE_ARCH} 231.endif 232 233all: objwarn ${PROG} 234 235beforedepend: ${_ILINKS} 236 237# Ensure that the links exist without depending on it when it exists which 238# causes all the modules to be rebuilt when the directory pointed to changes. 239.for _link in ${_ILINKS} 240.if !exists(${.OBJDIR}/${_link}) 241${OBJS}: ${_link} 242.endif 243.endfor 244 245# Search for kernel source tree in standard places. 246.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 247.if !defined(SYSDIR) && exists(${_dir}/kern/) 248SYSDIR= ${_dir} 249.endif 250.endfor 251.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 252.error "can't find kernel source tree" 253.endif 254 255${_ILINKS}: 256 @case ${.TARGET} in \ 257 ${MACHINE_ARCH}) \ 258 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 259 machine) \ 260 path=${SYSDIR}/${MACHINE}/include ;; \ 261 @) \ 262 path=${SYSDIR} ;; \ 263 esac ; \ 264 path=`(cd $$path && /bin/pwd)` ; \ 265 ${ECHO} ${.TARGET} "->" $$path ; \ 266 ln -sf $$path ${.TARGET} 267 268CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} 269 270.if defined(DEBUG_FLAGS) 271CLEANFILES+= ${FULLPROG} ${PROG}.symbols 272.endif 273 274.if !target(install) 275 276_INSTALLFLAGS:= ${INSTALLFLAGS} 277.for ie in ${INSTALLFLAGS_EDIT} 278_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 279.endfor 280 281.if !target(realinstall) 282realinstall: _kmodinstall 283.ORDER: beforeinstall _kmodinstall 284_kmodinstall: 285 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 286 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 287.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) 288 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 289 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR} 290.endif 291 292.include <bsd.links.mk> 293 294.if !defined(NO_XREF) 295afterinstall: _kldxref 296.ORDER: realinstall _kldxref 297.ORDER: _installlinks _kldxref 298_kldxref: 299 @if type kldxref >/dev/null 2>&1; then \ 300 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 301 kldxref ${DESTDIR}${KMODDIR}; \ 302 fi 303.endif 304.endif # !target(realinstall) 305 306.endif # !target(install) 307 308.if !target(load) 309load: ${PROG} 310 ${KMODLOAD} -v ${.OBJDIR}/${PROG} 311.endif 312 313.if !target(unload) 314unload: 315 ${KMODUNLOAD} -v ${PROG} 316.endif 317 318.if defined(KERNBUILDDIR) 319.PATH: ${KERNBUILDDIR} 320CFLAGS+= -I${KERNBUILDDIR} 321.for _src in ${SRCS:Mopt_*.h} 322CLEANFILES+= ${_src} 323.if !target(${_src}) 324${_src}: 325 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET} 326.endif 327.endfor 328.else 329.for _src in ${SRCS:Mopt_*.h} 330CLEANFILES+= ${_src} 331.if !target(${_src}) 332${_src}: 333 :> ${.TARGET} 334.endif 335.endfor 336.endif 337 338# Respect configuration-specific C flags. 339CFLAGS+= ${CONF_CFLAGS} 340 341MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \ 342 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \ 343 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \ 344 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \ 345 dev/mii/miibus_if.m dev/ofw/ofw_bus_if.m \ 346 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 347 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 348 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 349 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 350 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \ 351 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \ 352 kern/bus_if.m kern/clock_if.m \ 353 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \ 354 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \ 355 pc98/pc98/canbus_if.m 356 357.for _srcsrc in ${MFILES} 358.for _ext in c h 359.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 360CLEANFILES+= ${_src} 361.if !target(${_src}) 362.if !exists(@) 363${_src}: @ 364.else 365${_src}: @/tools/makeobjops.awk @/${_srcsrc} 366.endif 367 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 368.endif 369.endfor # _src 370.endfor # _ext 371.endfor # _srcsrc 372 373.if !empty(SRCS:Mvnode_if.c) 374CLEANFILES+= vnode_if.c 375.if !exists(@) 376vnode_if.c: @ 377.else 378vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src 379.endif 380 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c 381.endif 382 383.if !empty(SRCS:Mvnode_if.h) 384CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h 385.if !exists(@) 386vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @ 387.else 388vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \ 389 @/kern/vnode_if.src 390.endif 391vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 392 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h 393vnode_if_newproto.h: 394 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p 395vnode_if_typedef.h: 396 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q 397.endif 398 399.for _i in mii pccard 400.if !empty(SRCS:M${_i}devs.h) 401CLEANFILES+= ${_i}devs.h 402.if !exists(@) 403${_i}devs.h: @ 404.else 405${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 406.endif 407 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 408.endif 409.endfor # _i 410 411.if !empty(SRCS:Musbdevs.h) 412CLEANFILES+= usbdevs.h 413.if !exists(@) 414usbdevs.h: @ 415.else 416usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 417.endif 418 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h 419.endif 420 421.if !empty(SRCS:Musbdevs_data.h) 422CLEANFILES+= usbdevs_data.h 423.if !exists(@) 424usbdevs_data.h: @ 425.else 426usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 427.endif 428 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d 429.endif 430 431.if !empty(SRCS:Macpi_quirks.h) 432CLEANFILES+= acpi_quirks.h 433.if !exists(@) 434acpi_quirks.h: @ 435.else 436acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 437.endif 438 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 439.endif 440 441.if !empty(SRCS:Massym.s) 442CLEANFILES+= assym.s genassym.o 443assym.s: genassym.o 444.if defined(KERNBUILDDIR) 445genassym.o: opt_global.h 446.endif 447.if !exists(@) 448assym.s: @ 449.else 450assym.s: @/kern/genassym.sh 451.endif 452 sh @/kern/genassym.sh genassym.o > ${.TARGET} 453.if exists(@) 454genassym.o: @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 455.endif 456genassym.o: @ machine ${SRCS:Mopt_*.h} 457 ${CC} -c ${CFLAGS:N-fno-common} \ 458 @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 459.endif 460 461lint: ${SRCS} 462 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 463 464.if defined(KERNBUILDDIR) 465${OBJS}: opt_global.h 466.endif 467 468.include <bsd.dep.mk> 469 470cleandepend: cleanilinks 471# .depend needs include links so we remove them only together. 472cleanilinks: 473 rm -f ${_ILINKS} 474 475.if !exists(${.OBJDIR}/${DEPENDFILE}) 476${OBJS}: ${SRCS:M*.h} 477.endif 478 479.include <bsd.obj.mk> 480.include "kern.mk" 481