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# DESTDIR The tree where the module gets installed. [not set] 42# 43# +++ targets +++ 44# 45# install: 46# install the kernel module; if the Makefile 47# does not itself define the target install, the targets 48# beforeinstall and afterinstall may also be used to cause 49# actions immediately before and after the install target 50# is executed. 51# 52# load: 53# Load a module. 54# 55# unload: 56# Unload a module. 57# 58 59AWK?= awk 60KMODLOAD?= /sbin/kldload 61KMODUNLOAD?= /sbin/kldunload 62OBJCOPY?= objcopy 63 64.if defined(KMODDEPS) 65.error "Do not use KMODDEPS on 5.0+; use MODULE_VERSION/MODULE_DEPEND" 66.endif 67 68.include <bsd.init.mk> 69 70.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 71 72.if ${CC} == "icc" 73CFLAGS:= ${CFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 74.else 75. if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing) 76CFLAGS+= -fno-strict-aliasing 77. endif 78WERROR?= -Werror 79.endif 80CFLAGS+= ${WERROR} 81CFLAGS+= -D_KERNEL 82CFLAGS+= -DKLD_MODULE 83 84# Don't use any standard or source-relative include directories. 85.if ${CC} == "icc" 86NOSTDINC= -X 87.else 88NOSTDINC= -nostdinc 89.endif 90CFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} -I- ${INCLMAGIC} ${CFLAGS:M-I*} 91.if defined(KERNBUILDDIR) 92CFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h 93.endif 94 95# Add -I paths for system headers. Individual module makefiles don't 96# need any -I paths for this. Similar defaults for .PATH can't be 97# set because there are no standard paths for non-headers. 98CFLAGS+= -I. -I@ 99 100# Add -I path for altq headers as they are included via net/if_var.h 101# for example. 102CFLAGS+= -I@/contrib/altq 103 104.if ${CC} != "icc" 105CFLAGS+= -finline-limit=${INLINE_LIMIT} 106CFLAGS+= --param inline-unit-growth=100 107CFLAGS+= --param large-function-growth=1000 108.endif 109 110# Disallow common variables, and if we end up with commons from 111# somewhere unexpected, allocate storage for them in the module itself. 112.if ${CC} != "icc" 113CFLAGS+= -fno-common 114.endif 115LDFLAGS+= -d -warn-common 116 117CFLAGS+= ${DEBUG_FLAGS} 118.if ${MACHINE_ARCH} == amd64 119CFLAGS+= -fno-omit-frame-pointer 120.endif 121 122.if ${MACHINE_ARCH} == "powerpc" 123CFLAGS+= -mlongcall -fno-omit-frame-pointer 124.endif 125 126.if defined(FIRMWS) 127.if !exists(@) 128${KMOD:S/$/.c/}: @ 129.else 130${KMOD:S/$/.c/}: @/tools/fw_stub.awk 131.endif 132 ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} 133 134SRCS+= ${KMOD:S/$/.c/} 135CLEANFILES+= ${KMOD:S/$/.c/} 136 137.for _firmw in ${FIRMWS} 138${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 139 @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 140 @if [ -e ${_firmw:C/\:.*$//} ]; then \ 141 ${LD} -b binary ${LDFLAGS} -r -d -o ${.TARGET} \ 142 ${_firmw:C/\:.*$//}; \ 143 else \ 144 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \ 145 ${LD} -b binary ${LDFLAGS} -r -d -o ${.TARGET} \ 146 ${_firmw:C/\:.*$//}; \ 147 rm ${_firmw:C/\:.*$//}; \ 148 fi 149 150OBJS+= ${_firmw:C/\:.*$/.fwo/} 151.endfor 152.endif 153 154OBJS+= ${SRCS:N*.h:R:S/$/.o/g} 155 156.if !defined(PROG) 157PROG= ${KMOD}.ko 158.endif 159 160.if !defined(DEBUG_FLAGS) 161FULLPROG= ${PROG} 162.else 163FULLPROG= ${PROG}.debug 164${PROG}: ${FULLPROG} ${PROG}.symbols 165 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\ 166 ${FULLPROG} ${.TARGET} 167${PROG}.symbols: ${FULLPROG} 168 ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET} 169.endif 170 171.if ${MACHINE_ARCH} != amd64 172${FULLPROG}: ${KMOD}.kld 173 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 174.if !defined(DEBUG_FLAGS) 175 ${OBJCOPY} --strip-debug ${.TARGET} 176.endif 177.endif 178 179EXPORT_SYMS?= NO 180.if ${EXPORT_SYMS} != YES 181CLEANFILES+= export_syms 182.endif 183 184.if ${MACHINE_ARCH} != amd64 185${KMOD}.kld: ${OBJS} 186.else 187${FULLPROG}: ${OBJS} 188.endif 189 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 190.if defined(EXPORT_SYMS) 191.if ${EXPORT_SYMS} != YES 192.if ${EXPORT_SYMS} == NO 193 touch export_syms 194.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 195 echo ${EXPORT_SYMS} > export_syms 196.else 197 grep -v '^#' < ${EXPORT_SYMS} > export_syms 198.endif 199 awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 200 export_syms | xargs -J% ${OBJCOPY} % ${.TARGET} 201.endif 202.endif 203.if !defined(DEBUG_FLAGS) && ${MACHINE_ARCH} == amd64 204 ${OBJCOPY} --strip-debug ${.TARGET} 205.endif 206 207_ILINKS=@ machine 208.if ${MACHINE} != ${MACHINE_ARCH} 209_ILINKS+=${MACHINE_ARCH} 210.endif 211 212all: objwarn ${PROG} 213 214beforedepend: ${_ILINKS} 215 216# Ensure that the links exist without depending on it when it exists which 217# causes all the modules to be rebuilt when the directory pointed to changes. 218.for _link in ${_ILINKS} 219.if !exists(${.OBJDIR}/${_link}) 220${OBJS}: ${_link} 221.endif 222.endfor 223 224# Search for kernel source tree in standard places. 225.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 226.if !defined(SYSDIR) && exists(${_dir}/kern/) 227SYSDIR= ${_dir} 228.endif 229.endfor 230.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 231.error "can't find kernel source tree" 232.endif 233 234${_ILINKS}: 235 @case ${.TARGET} in \ 236 ${MACHINE_ARCH}) \ 237 path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 238 machine) \ 239 path=${SYSDIR}/${MACHINE}/include ;; \ 240 @) \ 241 path=${SYSDIR} ;; \ 242 esac ; \ 243 path=`(cd $$path && /bin/pwd)` ; \ 244 ${ECHO} ${.TARGET} "->" $$path ; \ 245 ln -sf $$path ${.TARGET} 246 247CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} 248 249.if defined(DEBUG_FLAGS) 250CLEANFILES+= ${FULLPROG} ${PROG}.symbols 251.endif 252 253.if !target(install) 254 255_INSTALLFLAGS:= ${INSTALLFLAGS} 256.for ie in ${INSTALLFLAGS_EDIT} 257_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 258.endfor 259 260.if !target(realinstall) 261realinstall: _kmodinstall 262.ORDER: beforeinstall _kmodinstall 263_kmodinstall: 264 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 265 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 266.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) 267 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 268 ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR} 269.endif 270 271.include <bsd.links.mk> 272 273.if !defined(NO_XREF) 274afterinstall: _kldxref 275.ORDER: realinstall _kldxref 276.ORDER: _installlinks _kldxref 277_kldxref: 278 @if type kldxref >/dev/null 2>&1; then \ 279 ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 280 kldxref ${DESTDIR}${KMODDIR}; \ 281 fi 282.endif 283.endif # !target(realinstall) 284 285.endif # !target(install) 286 287.if !target(load) 288load: ${PROG} 289 ${KMODLOAD} -v ${.OBJDIR}/${PROG} 290.endif 291 292.if !target(unload) 293unload: 294 ${KMODUNLOAD} -v ${PROG} 295.endif 296 297.if defined(KERNBUILDDIR) 298.PATH: ${KERNBUILDDIR} 299CFLAGS+= -I${KERNBUILDDIR} 300.for _src in ${SRCS:Mopt_*.h} 301CLEANFILES+= ${_src} 302.if !target(${_src}) 303${_src}: 304 ln -sf ${KERNBUILDDIR}/${_src} ${.TARGET} 305.endif 306.endfor 307.else 308.for _src in ${SRCS:Mopt_*.h} 309CLEANFILES+= ${_src} 310.if !target(${_src}) 311${_src}: 312 touch ${.TARGET} 313.endif 314.endfor 315.endif 316 317MFILES?= dev/acpica/acpi_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \ 318 dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \ 319 dev/mii/miibus_if.m dev/ofw/ofw_bus_if.m \ 320 dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 321 dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 322 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 323 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \ 324 dev/usb/usb_if.m isa/isa_if.m \ 325 kern/bus_if.m kern/cpufreq_if.m kern/device_if.m \ 326 libkern/iconv_converter_if.m opencrypto/crypto_if.m \ 327 pc98/pc98/canbus_if.m pci/agp_if.m 328 329.for _srcsrc in ${MFILES} 330.for _ext in c h 331.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 332CLEANFILES+= ${_src} 333.if !target(${_src}) 334.if !exists(@) 335${_src}: @ 336.else 337${_src}: @/tools/makeobjops.awk @/${_srcsrc} 338.endif 339 ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 340.endif 341.endfor # _src 342.endfor # _ext 343.endfor # _srcsrc 344 345.if !empty(SRCS:Mvnode_if.c) 346CLEANFILES+= vnode_if.c 347.if !exists(@) 348vnode_if.c: @ 349.else 350vnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src 351.endif 352 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c 353.endif 354 355.if !empty(SRCS:Mvnode_if.h) 356CLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h 357.if !exists(@) 358vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @ 359.else 360vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \ 361 @/kern/vnode_if.src 362.endif 363vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 364 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h 365vnode_if_newproto.h: 366 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p 367vnode_if_typedef.h: 368 ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q 369.endif 370 371.for _i in mii pccard 372.if !empty(SRCS:M${_i}devs.h) 373CLEANFILES+= ${_i}devs.h 374.if !exists(@) 375${_i}devs.h: @ 376.else 377${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 378.endif 379 ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 380.endif 381.endfor # _i 382 383.if !empty(SRCS:Musbdevs.h) 384CLEANFILES+= usbdevs.h 385.if !exists(@) 386usbdevs.h: @ 387.else 388usbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 389.endif 390 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h 391.endif 392 393.if !empty(SRCS:Musbdevs_data.h) 394CLEANFILES+= usbdevs_data.h 395.if !exists(@) 396usbdevs_data.h: @ 397.else 398usbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 399.endif 400 ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d 401.endif 402 403.if !empty(SRCS:Macpi_quirks.h) 404CLEANFILES+= acpi_quirks.h 405.if !exists(@) 406acpi_quirks.h: @ 407.else 408acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 409.endif 410 ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 411.endif 412 413.if !empty(SRCS:Massym.s) 414CLEANFILES+= assym.s genassym.o 415assym.s: genassym.o 416.if !exists(@) 417assym.s: @ 418.else 419assym.s: @/kern/genassym.sh 420.endif 421 sh @/kern/genassym.sh genassym.o > ${.TARGET} 422.if exists(@) 423genassym.o: @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 424.endif 425genassym.o: @ machine ${SRCS:Mopt_*.h} 426 ${CC} -c ${CFLAGS:N-fno-common} \ 427 @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 428.endif 429 430lint: ${SRCS} 431 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 432 433.include <bsd.dep.mk> 434 435.if !exists(${.OBJDIR}/${DEPENDFILE}) 436${OBJS}: ${SRCS:M*.h} 437.endif 438 439.include <bsd.obj.mk> 440.include "kern.mk" 441