kmod.mk revision 155275
1238106Sdes# From: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91 2238106Sdes# $FreeBSD: head/sys/conf/kmod.mk 155275 2006-02-04 06:22:27Z imp $ 3238106Sdes# 4238106Sdes# The include file <bsd.kmod.mk> handles building and installing loadable 5238106Sdes# kernel modules. 6238106Sdes# 7238106Sdes# 8238106Sdes# +++ variables +++ 9238106Sdes# 10238106Sdes# CLEANFILES Additional files to remove for the clean and cleandir targets. 11238106Sdes# 12238106Sdes# EXPORT_SYMS A list of symbols that should be exported from the module, 13238106Sdes# or the name of a file containing a list of symbols, or YES 14238106Sdes# to export all symbols. If not defined, no symbols are 15238106Sdes# exported. 16238106Sdes# 17238106Sdes# KMOD The name of the kernel module to build. 18238106Sdes# 19238106Sdes# KMODDIR Base path for kernel modules (see kld(4)). [/boot/kernel] 20238106Sdes# 21238106Sdes# KMODOWN Module file owner. [${BINOWN}] 22238106Sdes# 23238106Sdes# KMODGRP Module file group. [${BINGRP}] 24269257Sdes# 25269257Sdes# KMODMODE Module file mode. [${BINMODE}] 26269257Sdes# 27269257Sdes# KMODLOAD Command to load a kernel module [/sbin/kldload] 28269257Sdes# 29269257Sdes# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload] 30269257Sdes# 31269257Sdes# MFILES Optionally a list of interfaces used by the module. 32269257Sdes# This file contains a default list of interfaces. 33269257Sdes# 34238106Sdes# PROG The name of the kernel module to build. 35238106Sdes# If not supplied, ${KMOD}.ko is used. 36238106Sdes# 37238106Sdes# SRCS List of source files. 38238106Sdes# 39238106Sdes# FIRMWS List of firmware images in format filename:shortname:version 40238106Sdes# 41238106Sdes# DESTDIR The tree where the module gets installed. [not set] 42238106Sdes# 43238106Sdes# +++ targets +++ 44238106Sdes# 45238106Sdes# install: 46238106Sdes# install the kernel module; if the Makefile 47238106Sdes# does not itself define the target install, the targets 48238106Sdes# beforeinstall and afterinstall may also be used to cause 49238106Sdes# actions immediately before and after the install target 50238106Sdes# is executed. 51238106Sdes# 52238106Sdes# load: 53238106Sdes# Load a module. 54238106Sdes# 55238106Sdes# unload: 56238106Sdes# Unload a module. 57238106Sdes# 58238106Sdes 59238106SdesAWK?= awk 60238106SdesKMODLOAD?= /sbin/kldload 61238106SdesKMODUNLOAD?= /sbin/kldunload 62238106SdesOBJCOPY?= objcopy 63238106Sdes 64238106Sdes.if defined(KMODDEPS) 65238106Sdes.error "Do not use KMODDEPS on 5.0+; use MODULE_VERSION/MODULE_DEPEND" 66238106Sdes.endif 67238106Sdes 68238106Sdes.include <bsd.init.mk> 69238106Sdes 70238106Sdes.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S 71238106Sdes 72255579Sdes.if ${CC} == "icc" 73255579SdesCFLAGS:= ${CFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/} 74291767Sdes.else 75238106Sdes. if !empty(CFLAGS:M-O[23s]) && empty(CFLAGS:M-fno-strict-aliasing) 76238106SdesCFLAGS+= -fno-strict-aliasing 77238106Sdes. endif 78238106SdesWERROR?= -Werror 79238106Sdes.endif 80238106SdesCFLAGS+= ${WERROR} 81238106SdesCFLAGS+= -D_KERNEL 82238106SdesCFLAGS+= -DKLD_MODULE 83238106Sdes 84238106Sdes# Don't use any standard or source-relative include directories. 85238106Sdes.if ${CC} == "icc" 86238106SdesNOSTDINC= -X 87238106Sdes.else 88238106SdesNOSTDINC= -nostdinc 89291767Sdes.endif 90291767SdesCFLAGS:= ${CFLAGS:N-I*} ${NOSTDINC} -I- ${INCLMAGIC} ${CFLAGS:M-I*} 91238106Sdes.if defined(KERNBUILDDIR) 92238106SdesCFLAGS+= -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h 93238106Sdes.endif 94238106Sdes 95238106Sdes# Add -I paths for system headers. Individual module makefiles don't 96238106Sdes# need any -I paths for this. Similar defaults for .PATH can't be 97238106Sdes# set because there are no standard paths for non-headers. 98238106SdesCFLAGS+= -I. -I@ 99238106Sdes 100238106Sdes# Add -I path for altq headers as they are included via net/if_var.h 101238106Sdes# for example. 102238106SdesCFLAGS+= -I@/contrib/altq 103238106Sdes 104238106Sdes.if ${CC} != "icc" 105238106SdesCFLAGS+= -finline-limit=${INLINE_LIMIT} 106238106SdesCFLAGS+= --param inline-unit-growth=100 107238106SdesCFLAGS+= --param large-function-growth=1000 108238106Sdes.endif 109238106Sdes 110238106Sdes# Disallow common variables, and if we end up with commons from 111238106Sdes# somewhere unexpected, allocate storage for them in the module itself. 112238106Sdes.if ${CC} != "icc" 113238106SdesCFLAGS+= -fno-common 114238106Sdes.endif 115238106SdesLDFLAGS+= -d -warn-common 116238106Sdes 117238106SdesCFLAGS+= ${DEBUG_FLAGS} 118238106Sdes.if ${MACHINE_ARCH} == amd64 119238106SdesCFLAGS+= -fno-omit-frame-pointer 120238106Sdes.endif 121238106Sdes 122238106Sdes.if ${MACHINE_ARCH} == "powerpc" 123238106SdesCFLAGS+= -mlongcall -fno-omit-frame-pointer 124238106Sdes.endif 125238106Sdes 126238106Sdes.if defined(FIRMWS) 127238106Sdes.if !exists(@) 128238106Sdes${KMOD:S/$/.c/}: @ 129238106Sdes.else 130238106Sdes${KMOD:S/$/.c/}: @/tools/fw_stub.awk 131238106Sdes.endif 132238106Sdes ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} 133238106Sdes 134238106SdesSRCS+= ${KMOD:S/$/.c/} 135238106SdesCLEANFILES+= ${KMOD:S/$/.c/} 136238106Sdes 137238106Sdes.for _firmw in ${FIRMWS} 138238106Sdes${_firmw:C/\:.*$/.fwo/}: ${_firmw:C/\:.*$//} 139238106Sdes @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}} 140238106Sdes.if !exists(${.CURDIR}/${_firmw:C/\:.*$//}) 141238106Sdes ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//} 142238106Sdes ${LD} -b binary ${LDFLAGS} -r -d -o ${.TARGET} ${_firmw:C/\:.*$//} 143238106Sdes rm -f ${_firmw:C/\:.*$//} 144238106Sdes.else 145238106Sdes ${LD} -b binary ${LDFLAGS} -r -d -o ${.TARGET} ${_firmw:C/\:.*$//} 146238106Sdes.endif 147238106Sdes 148238106SdesOBJS+= ${_firmw:C/\:.*$/.fwo/} 149238106Sdes.endfor 150238106Sdes.endif 151238106Sdes 152238106SdesOBJS+= ${SRCS:N*.h:R:S/$/.o/g} 153238106Sdes 154238106Sdes.if !defined(PROG) 155238106SdesPROG= ${KMOD}.ko 156238106Sdes.endif 157238106Sdes 158238106Sdes.if !defined(DEBUG_FLAGS) 159238106SdesFULLPROG= ${PROG} 160238106Sdes.else 161238106SdesFULLPROG= ${PROG}.debug 162238106Sdes${PROG}: ${FULLPROG} ${PROG}.symbols 163238106Sdes ${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROG}.symbols\ 164238106Sdes ${FULLPROG} ${.TARGET} 165238106Sdes${PROG}.symbols: ${FULLPROG} 166238106Sdes ${OBJCOPY} --only-keep-debug ${FULLPROG} ${.TARGET} 167238106Sdes.endif 168238106Sdes 169238106Sdes.if ${MACHINE_ARCH} != amd64 170238106Sdes${FULLPROG}: ${KMOD}.kld 171238106Sdes ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld 172238106Sdes.if !defined(DEBUG_FLAGS) 173238106Sdes ${OBJCOPY} --strip-debug ${.TARGET} 174238106Sdes.endif 175238106Sdes.endif 176238106Sdes 177238106SdesEXPORT_SYMS?= NO 178238106Sdes.if ${EXPORT_SYMS} != YES 179238106SdesCLEANFILES+= export_syms 180238106Sdes.endif 181238106Sdes 182238106Sdes.if ${MACHINE_ARCH} != amd64 183238106Sdes${KMOD}.kld: ${OBJS} 184238106Sdes.else 185238106Sdes${FULLPROG}: ${OBJS} 186269257Sdes.endif 187238106Sdes ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS} 188238106Sdes.if defined(EXPORT_SYMS) 189238106Sdes.if ${EXPORT_SYMS} != YES 190238106Sdes.if ${EXPORT_SYMS} == NO 191238106Sdes touch export_syms 192238106Sdes.elif !exists(${.CURDIR}/${EXPORT_SYMS}) 193238106Sdes echo ${EXPORT_SYMS} > export_syms 194238106Sdes.else 195238106Sdes grep -v '^#' < ${EXPORT_SYMS} > export_syms 196238106Sdes.endif 197238106Sdes awk -f ${SYSDIR}/conf/kmod_syms.awk ${.TARGET} \ 198238106Sdes export_syms | xargs -J% ${OBJCOPY} % ${.TARGET} 199238106Sdes.endif 200238106Sdes.endif 201238106Sdes.if !defined(DEBUG_FLAGS) && ${MACHINE_ARCH} == amd64 202238106Sdes ${OBJCOPY} --strip-debug ${.TARGET} 203238106Sdes.endif 204238106Sdes 205238106Sdes_ILINKS=@ machine 206238106Sdes.if ${MACHINE} != ${MACHINE_ARCH} 207238106Sdes_ILINKS+=${MACHINE_ARCH} 208238106Sdes.endif 209238106Sdes 210238106Sdesall: objwarn ${PROG} 211238106Sdes 212238106Sdesbeforedepend: ${_ILINKS} 213238106Sdes 214238106Sdes# Ensure that the links exist without depending on it when it exists which 215238106Sdes# causes all the modules to be rebuilt when the directory pointed to changes. 216238106Sdes.for _link in ${_ILINKS} 217238106Sdes.if !exists(${.OBJDIR}/${_link}) 218238106Sdes${OBJS}: ${_link} 219238106Sdes.endif 220238106Sdes.endfor 221238106Sdes 222238106Sdes# Search for kernel source tree in standard places. 223238106Sdes.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. /sys /usr/src/sys 224238106Sdes.if !defined(SYSDIR) && exists(${_dir}/kern/) 225238106SdesSYSDIR= ${_dir} 226238106Sdes.endif 227238106Sdes.endfor 228238106Sdes.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) 229238106Sdes.error "can't find kernel source tree" 230238106Sdes.endif 231238106Sdes 232238106Sdes${_ILINKS}: 233238106Sdes @case ${.TARGET} in \ 234238106Sdes ${MACHINE_ARCH}) \ 235238106Sdes path=${SYSDIR}/${MACHINE_ARCH}/include ;; \ 236238106Sdes machine) \ 237238106Sdes path=${SYSDIR}/${MACHINE}/include ;; \ 238238106Sdes @) \ 239238106Sdes path=${SYSDIR} ;; \ 240238106Sdes esac ; \ 241238106Sdes path=`(cd $$path && /bin/pwd)` ; \ 242238106Sdes ${ECHO} ${.TARGET} "->" $$path ; \ 243238106Sdes ln -s $$path ${.TARGET} 244238106Sdes 245238106SdesCLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} 246238106Sdes 247238106Sdes.if defined(DEBUG_FLAGS) 248269257SdesCLEANFILES+= ${FULLPROG} ${PROG}.symbols 249269257Sdes.endif 250238106Sdes 251269257Sdes.if !target(install) 252238106Sdes 253238106Sdes_INSTALLFLAGS:= ${INSTALLFLAGS} 254238106Sdes.for ie in ${INSTALLFLAGS_EDIT} 255238106Sdes_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}} 256238106Sdes.endfor 257238106Sdes 258238106Sdes.if !target(realinstall) 259238106Sdesrealinstall: _kmodinstall 260238106Sdes.ORDER: beforeinstall _kmodinstall 261238106Sdes_kmodinstall: 262238106Sdes ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 263238106Sdes ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR} 264238106Sdes.if defined(DEBUG_FLAGS) && !defined(INSTALL_NODEBUG) 265238106Sdes ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \ 266238106Sdes ${_INSTALLFLAGS} ${PROG}.symbols ${DESTDIR}${KMODDIR} 267238106Sdes.endif 268238106Sdes 269238106Sdes.include <bsd.links.mk> 270238106Sdes 271238106Sdes.if !defined(NO_XREF) 272238106Sdesafterinstall: _kldxref 273238106Sdes.ORDER: realinstall _kldxref 274238106Sdes.ORDER: _installlinks _kldxref 275238106Sdes_kldxref: 276238106Sdes @if type kldxref >/dev/null 2>&1; then \ 277238106Sdes ${ECHO} kldxref ${DESTDIR}${KMODDIR}; \ 278238106Sdes kldxref ${DESTDIR}${KMODDIR}; \ 279269257Sdes fi 280269257Sdes.endif 281238106Sdes.endif # !target(realinstall) 282269257Sdes 283238106Sdes.endif # !target(install) 284238106Sdes 285238106Sdes.if !target(load) 286238106Sdesload: ${PROG} 287238106Sdes ${KMODLOAD} -v ${.OBJDIR}/${PROG} 288238106Sdes.endif 289238106Sdes 290238106Sdes.if !target(unload) 291238106Sdesunload: 292238106Sdes ${KMODUNLOAD} -v ${PROG} 293238106Sdes.endif 294238106Sdes 295238106Sdes.if defined(KERNBUILDDIR) 296291767Sdes.PATH: ${KERNBUILDDIR} 297291767SdesCFLAGS+= -I${KERNBUILDDIR} 298291767Sdes.for _src in ${SRCS:Mopt_*.h} 299291767SdesCLEANFILES+= ${_src} 300291767Sdes.if !target(${_src}) 301291767Sdes${_src}: 302291767Sdes ln -s ${KERNBUILDDIR}/${_src} ${.TARGET} 303291767Sdes.endif 304291767Sdes.endfor 305291767Sdes.else 306291767Sdes.for _src in ${SRCS:Mopt_*.h} 307291767SdesCLEANFILES+= ${_src} 308291767Sdes.if !target(${_src}) 309291767Sdes${_src}: 310291767Sdes touch ${.TARGET} 311291767Sdes.endif 312291767Sdes.endfor 313291767Sdes.endif 314291767Sdes 315291767SdesMFILES?= dev/acpica/acpi_if.m dev/ata/ata_if.m dev/eisa/eisa_if.m \ 316238106Sdes dev/iicbus/iicbb_if.m dev/iicbus/iicbus_if.m \ 317238106Sdes dev/mii/miibus_if.m dev/ofw/ofw_bus_if.m \ 318238106Sdes dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \ 319238106Sdes dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \ 320238106Sdes dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \ 321238106Sdes dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m dev/uart/uart_if.m \ 322269257Sdes dev/usb/usb_if.m isa/isa_if.m \ 323238106Sdes kern/bus_if.m kern/cpufreq_if.m kern/device_if.m \ 324269257Sdes libkern/iconv_converter_if.m opencrypto/crypto_if.m \ 325238106Sdes pc98/pc98/canbus_if.m pci/agp_if.m 326238106Sdes 327238106Sdes.for _srcsrc in ${MFILES} 328269257Sdes.for _ext in c h 329238106Sdes.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}} 330238106SdesCLEANFILES+= ${_src} 331238106Sdes.if !target(${_src}) 332238106Sdes.if !exists(@) 333269257Sdes${_src}: @ 334238106Sdes.else 335238106Sdes${_src}: @/tools/makeobjops.awk @/${_srcsrc} 336238106Sdes.endif 337269257Sdes ${AWK} -f @/tools/makeobjops.awk @/${_srcsrc} -${_ext} 338269257Sdes.endif 339238106Sdes.endfor # _src 340291767Sdes.endfor # _ext 341238106Sdes.endfor # _srcsrc 342269257Sdes 343238106Sdes.if !empty(SRCS:Mvnode_if.c) 344269257SdesCLEANFILES+= vnode_if.c 345291767Sdes.if !exists(@) 346238106Sdesvnode_if.c: @ 347269257Sdes.else 348238106Sdesvnode_if.c: @/tools/vnode_if.awk @/kern/vnode_if.src 349269257Sdes.endif 350291767Sdes ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -c 351238106Sdes.endif 352269257Sdes 353238106Sdes.if !empty(SRCS:Mvnode_if.h) 354269257SdesCLEANFILES+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h 355291767Sdes.if !exists(@) 356238106Sdesvnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @ 357269257Sdes.else 358238106Sdesvnode_if.h vnode_if_newproto.h vnode_if_typedef.h: @/tools/vnode_if.awk \ 359269257Sdes @/kern/vnode_if.src 360291767Sdes.endif 361238106Sdesvnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 362269257Sdes ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -h 363238106Sdesvnode_if_newproto.h: 364269257Sdes ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -p 365291767Sdesvnode_if_typedef.h: 366238106Sdes ${AWK} -f @/tools/vnode_if.awk @/kern/vnode_if.src -q 367238106Sdes.endif 368238106Sdes 369238106Sdes.for _i in mii pccard 370238106Sdes.if !empty(SRCS:M${_i}devs.h) 371238106SdesCLEANFILES+= ${_i}devs.h 372238106Sdes.if !exists(@) 373238106Sdes${_i}devs.h: @ 374238106Sdes.else 375238106Sdes${_i}devs.h: @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 376238106Sdes.endif 377238106Sdes ${AWK} -f @/tools/${_i}devs2h.awk @/dev/${_i}/${_i}devs 378238106Sdes.endif 379238106Sdes.endfor # _i 380238106Sdes 381238106Sdes.if !empty(SRCS:Musbdevs.h) 382238106SdesCLEANFILES+= usbdevs.h 383238106Sdes.if !exists(@) 384238106Sdesusbdevs.h: @ 385238106Sdes.else 386269257Sdesusbdevs.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 387238106Sdes.endif 388238106Sdes ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -h 389238106Sdes.endif 390238106Sdes 391238106Sdes.if !empty(SRCS:Musbdevs_data.h) 392238106SdesCLEANFILES+= usbdevs_data.h 393238106Sdes.if !exists(@) 394238106Sdesusbdevs_data.h: @ 395238106Sdes.else 396238106Sdesusbdevs_data.h: @/tools/usbdevs2h.awk @/dev/usb/usbdevs 397238106Sdes.endif 398238106Sdes ${AWK} -f @/tools/usbdevs2h.awk @/dev/usb/usbdevs -d 399238106Sdes.endif 400238106Sdes 401238106Sdes.if !empty(SRCS:Macpi_quirks.h) 402238106SdesCLEANFILES+= acpi_quirks.h 403238106Sdes.if !exists(@) 404238106Sdesacpi_quirks.h: @ 405238106Sdes.else 406238106Sdesacpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 407238106Sdes.endif 408238106Sdes ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks 409238106Sdes.endif 410238106Sdes 411238106Sdes.if !empty(SRCS:Massym.s) 412238106SdesCLEANFILES+= assym.s genassym.o 413238106Sdesassym.s: genassym.o 414238106Sdes.if !exists(@) 415238106Sdesassym.s: @ 416238106Sdes.else 417238106Sdesassym.s: @/kern/genassym.sh 418238106Sdes.endif 419238106Sdes sh @/kern/genassym.sh genassym.o > ${.TARGET} 420238106Sdes.if exists(@) 421238106Sdesgenassym.o: @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 422238106Sdes.endif 423238106Sdesgenassym.o: @ machine ${SRCS:Mopt_*.h} 424238106Sdes ${CC} -c ${CFLAGS:N-fno-common} \ 425238106Sdes @/${MACHINE_ARCH}/${MACHINE_ARCH}/genassym.c 426238106Sdes.endif 427238106Sdes 428238106Sdeslint: ${SRCS} 429238106Sdes ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c} 430238106Sdes 431238106Sdes.include <bsd.dep.mk> 432238106Sdes 433238106Sdes.if !exists(${.OBJDIR}/${DEPENDFILE}) 434238106Sdes${OBJS}: ${SRCS:M*.h} 435238106Sdes.endif 436238106Sdes 437238106Sdes.include <bsd.obj.mk> 438238106Sdes.include "kern.mk" 439238106Sdes