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 ${CC:T:Micc} == "icc" 92CFLAGS:= ${CFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 93.else 94. if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing) 95CFLAGS+= -fno-strict-aliasing 96. endif 97WERROR?= -Werror 98.endif 99CFLAGS+= ${WERROR} 100CFLAGS+= -D_KERNEL 101CFLAGS+= -DKLD_MODULE 102 103# Don't use any standard or source-relative include directories. 104.if ${CC:T:Micc} == "icc" 105NOSTDINC= -X 106.else 107CSTD= c99 108NOSTDINC= -nostdinc 109.endif 110CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} ${INCLMAGIC} ${CFLAGS:M-I*} 111.if defined(KERNBUILDDIR) 112CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h 113.endif 114 115# Add -I paths for system headers. Individual module makefiles don't 116# need any -I paths for this. Similar defaults for .PATH can't be 117# set because there are no standard paths for non-headers. 118CFLAGS+= -I. -I@ 119 120# Add -I path for altq headers as they are included via net/if_var.h 121# for example. 122CFLAGS+= -I@/contrib/altq 123 124.if ${CC:T:Micc} != "icc" && ${CC:T:Mclang} != "clang" 125CFLAGS+= -finline-limit=${INLINE_LIMIT} 126CFLAGS+= --param inline-unit-growth=100 127CFLAGS+= --param large-function-growth=1000 128.endif 129 130# Disallow common variables, and if we end up with commons from 131# somewhere unexpected, allocate storage for them in the module itself. 132.if ${CC:T:Micc} != "icc" 133CFLAGS+= -fno-common 134.endif 135LDFLAGS+= -d -warn-common 136 137CFLAGS+= ${DEBUG_FLAGS} 138.if ${MACHINE_CPUARCH} == amd64 139CFLAGS+= -fno-omit-frame-pointer 140.endif 141 142.if ${MACHINE_CPUARCH} == powerpc 143CFLAGS+= -mlongcall -fno-omit-frame-pointer 144.endif 145 146.if ${MACHINE_CPUARCH} == mips 147CFLAGS+= -G0 -fno-pic -mno-abicalls -mlong-calls 148.endif 149 150.if defined(DEBUG) || defined(DEBUG_FLAGS) 151CTFFLAGS+= -g 152.endif 153 154.if defined(FIRMWS) 155.if !exists(@) 156${KMOD:S/$/.c/}: @ 157.else 158${KMOD:S/$/.c/}: @/tools/fw_stub.awk 159.endif 160 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \ 161 ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE} 162 163SRCS+= ${KMOD:S/$/.c/} 164CLEANFILES+= ${KMOD:S/$/.c/} 165 166.for _firmw in ${FIRMWS} 167${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 168 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 169 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 170 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 171 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 172 else \ 173 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 174 ${LD} -b binary --no-warn-mismatch ${LDFLAGS} \ 175 -r -d -o ${.TARGET} ${_firmw:C/\:.*$//}; \ 176 rm ${_firmw:C/\:.*$//}; \ 177 fi 178 179OBJS+= ${_firmw:C/\:.*$/.fwo/} 180.endfor 181.endif 182 183OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 184 185.if !defined(PROG) 186PROG= ${KMOD}.ko 187.endif 188 189.if !defined(DEBUG_FLAGS) 190FULLPROG= ${PROG} 191.else 192FULLPROG= ${PROG}.debug 193${PROG}: ${FULLPROG} ${PROG}.symbols 194 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\ 195 ${FULLPROG} ${.TARGET} 196${PROG}.symbols: ${FULLPROG} 197 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET} 198.endif 199 200.if ${__KLD_SHARED} == yes 201${FULLPROG}: ${KMOD}.kld 202 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 203.if !defined(DEBUG_FLAGS) 204 ${OBJCOPY} --strip-debug ${.TARGET} 205.endif 206.endif 207 208EXPORT_SYMS?= NO 209.if ${EXPORT_SYMS} != YES 210CLEANFILES+= export_syms 211.endif 212 213.if ${__KLD_SHARED} == yes 214${KMOD}.kld: ${OBJS} 215.else 216${FULLPROG}: ${OBJS} 217.endif 218 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 219 @[ -z "${CTFMERGE}" -o -n "${NO_CTF}" ] || ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS} 220.if defined(EXPORT_SYMS) 221.if ${EXPORT_SYMS} != YES 222.if ${EXPORT_SYMS} == NO 223 :> export_syms 224.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 225 echo ${EXPORT_SYMS} > export_syms 226.else 227 grep -v '^#' < ${EXPORT_SYMS} > export_syms 228.endif 229 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 230 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET} 231.endif 232.endif 233.if !defined(DEBUG_FLAGS) && ${__KLD_SHARED} == no 234 ${OBJCOPY} --strip-debug ${.TARGET} 235.endif 236 237_ILINKS=@ machine 238.if ${MACHINE} != ${MACHINE_CPUARCH} 239_ILINKS+=${MACHINE_CPUARCH} 240.endif 241 242all: objwarn ${PROG} 243 244beforedepend: ${_ILINKS} 245 246# Ensure that the links exist without depending on it when it exists which 247# causes all the modules to be rebuilt when the directory pointed to changes. 248.for _link in ${_ILINKS} 249.if !exists(${.OBJDIR}/${_link}) 250${OBJS}: ${_link} 251.endif 252.endfor 253 254# Search for kernel source tree in standard places. 255.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 256.if !defined(SYSDIR) && exists(${_dir}/kern/) 257SYSDIR= ${_dir} 258.endif 259.endfor 260.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 261.error "can't find kernel source tree" 262.endif 263 264${_ILINKS}: 265 @case ${.TARGET} in \ 266 ${MACHINE_CPUARCH}) \ 267 path=${SYSDIR}/${MACHINE_CPUARCH}/include ;; \ 268 machine) \ 269 path=${SYSDIR}/${MACHINE}/include ;; \ 270 @) \ 271 path=${SYSDIR} ;; \ 272 esac ; \ 273 path=`(cd $$path && /bin/pwd)` ; \ 274 ${ECHO} ${.TARGET} "->" $$path ; \ 275 ln -sf $$path ${.TARGET} 276 277CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} 278 279.if defined(DEBUG_FLAGS) 280CLEANFILES+= ${FULLPROG} ${PROG}.symbols 281.endif 282 283.if !target(install) 284 285_INSTALLFLAGS:= ${INSTALLFLAGS} 286.for ie in ${INSTALLFLAGS_EDIT} 287_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 288.endfor 289 290.if !target(realinstall) 291realinstall: _kmodinstall 292.ORDER: beforeinstall _kmodinstall 293_kmodinstall: 294 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 295 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 296.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) 297 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 298 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR} 299.endif 300 301.include <bsd.links.mk> 302 303.if !defined(NO_XREF) 304afterinstall: _kldxref 305.ORDER: realinstall _kldxref 306.ORDER: _installlinks _kldxref 307_kldxref: 308 @if type kldxref >/dev/null 2>&1; then \ 309 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 310 kldxref ${DESTDIR}${KMODDIR}; \ 311 fi 312.endif 313.endif # !target(realinstall) 314 315.endif # !target(install) 316 317.if !target(load) 318load: ${PROG} 319 ${KMODLOAD} -v ${.OBJDIR}/${PROG} 320.endif 321 322.if !target(unload) 323unload: 324 ${KMODUNLOAD} -v ${PROG} 325.endif 326 327.if defined(KERNBUILDDIR) 328.PATH: ${KERNBUILDDIR} 329CFLAGS+= -I${KERNBUILDDIR} 330.for _src in ${SRCS:Mopt_*.h} 331CLEANFILES+= ${_src} 332.if !target(${_src}) 333${_src}: 334 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET} 335.endif 336.endfor 337.else 338.for _src in ${SRCS:Mopt_*.h} 339CLEANFILES+= ${_src} 340.if !target(${_src}) 341${_src}: 342 :> ${.TARGET} 343.endif 344.endfor 345.endif 346 347# Respect configuration-specific C flags. 348CFLAGS+= ${CONF_CFLAGS} 349 350MFILES?= dev/acpica/acpi_if.m dev/acpi_support/acpi_wmi_if.m \ 351 dev/agp/agp_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \ 352 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \ 353 dev/mmc/mmcbr_if.m dev/mmc/mmcbus_if.m \ 354 dev/mii/miibus_if.m dev/mvs/mvs_if.m dev/ofw/ofw_bus_if.m \ 355 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 356 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 357 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 358 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 359 dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \ 360 dev/sound/midi/synth_if.m dev/usb/usb_if.m isa/isa_if.m \ 361 kern/bus_if.m kern/clock_if.m \ 362 kern/cpufreq_if.m kern/device_if.m kern/serdev_if.m \ 363 libkern/iconv_converter_if.m opencrypto/cryptodev_if.m \ 364 pc98/pc98/canbus_if.m 365 366.for _srcsrc in ${MFILES} 367.for _ext in c h 368.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 369CLEANFILES+= ${_src} 370.if !target(${_src}) 371.if !exists(@) 372${_src}: @ 373.else 374${_src}: @/tools/makeobjops.awk @/${_srcsrc} 375.endif 376 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 377.endif 378.endfor # _src 379.endfor # _ext 380.endfor # _srcsrc 381 382.if !empty(SRCS:Mvnode_if.c) 383CLEANFILES+= vnode_if.c 384.if !exists(@) 385vnode_if.c: @ 386.else 387vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src 388.endif 389 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c 390.endif 391 392.if !empty(SRCS:Mvnode_if.h) 393CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h 394.if !exists(@) 395vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @ 396.else 397vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \ 398 @/kern/vnode_if.src 399.endif 400vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 401 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h 402vnode_if_newproto.h: 403 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p 404vnode_if_typedef.h: 405 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q 406.endif 407 408.for _i in mii pccard 409.if !empty(SRCS:M${_i}devs.h) 410CLEANFILES+= ${_i}devs.h 411.if !exists(@) 412${_i}devs.h: @ 413.else 414${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 415.endif 416 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 417.endif 418.endfor # _i 419 420.if !empty(SRCS:Musbdevs.h) 421CLEANFILES+= usbdevs.h 422.if !exists(@) 423usbdevs.h: @ 424.else 425usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 426.endif 427 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h 428.endif 429 430.if !empty(SRCS:Musbdevs_data.h) 431CLEANFILES+= usbdevs_data.h 432.if !exists(@) 433usbdevs_data.h: @ 434.else 435usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 436.endif 437 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d 438.endif 439 440.if !empty(SRCS:Macpi_quirks.h) 441CLEANFILES+= acpi_quirks.h 442.if !exists(@) 443acpi_quirks.h: @ 444.else 445acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 446.endif 447 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 448.endif 449 450.if !empty(SRCS:Massym.s) 451CLEANFILES+= assym.s genassym.o 452assym.s: genassym.o 453.if defined(KERNBUILDDIR) 454genassym.o: opt_global.h 455.endif 456.if !exists(@) 457assym.s: @ 458.else 459assym.s: @/kern/genassym.sh 460.endif 461 sh @/kern/genassym.sh genassym.o > ${.TARGET} 462.if exists(@) 463genassym.o: @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c 464.endif 465genassym.o: @ machine ${SRCS:Mopt_*.h} 466 ${CC} -c ${CFLAGS:N-fno-common} \ 467 @/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}/genassym.c 468.endif 469 470lint: ${SRCS} 471 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 472 473.if defined(KERNBUILDDIR) 474${OBJS}: opt_global.h 475.endif 476 477.include <bsd.dep.mk> 478 479cleandepend: cleanilinks 480# .depend needs include links so we remove them only together. 481cleanilinks: 482 rm -f ${_ILINKS} 483 484.if !exists(${.OBJDIR}/${DEPENDFILE}) 485${OBJS}: ${SRCS:M*.h} 486.endif 487 488.include <bsd.obj.mk> 489.include "kern.mk" 490