sys/conf/kmod.mk

   1 #       From: @(#)bsd.prog.mk   5.26 (Berkeley) 6/25/91
   2 # $FreeBSD: src/sys/conf/kmod.mk,v 1.82.2.15 2003/02/10 13:11:50 nyan Exp $
   3 #
   4 # The include file <bsd.kmod.mk> handles installing Kernel Loadable Device
   5 # drivers (KLD's).
   6 #
   7 #
   8 # +++ variables +++
   9 # CLEANFILES    Additional files to remove for the clean and cleandir targets.
  10 #
  11 # KMOD          The name of the kernel module to build.
  12 #
  13 # KMODDIR       Base path for kernel modules (see kld(4)).
  14 #               [${DESTKERNDIR}]
  15 #
  16 # KMODOWN       KLD owner. [${BINOWN}]
  17 #
  18 # KMODGRP       KLD group. [${BINGRP}]
  19 #
  20 # KMODMODE      KLD mode. [${BINMODE}]
  21 #
  22 # KMODLOAD      Command to load a kernel module [/sbin/kldload]
  23 #
  24 # KMODUNLOAD    Command to unload a kernel module [/sbin/kldunload]
  25 #
  26 # PROG          The name of the kernel module to build.
  27 #               If not supplied, ${KMOD}.o is used.
  28 #
  29 # SRCS          List of source files
  30 #
  31 # DESTKERNDIR   Change the tree where the kernel and the modules get
  32 #               installed. [/boot]  ${DESTDIR} changes the root of the tree
  33 #               pointed to by ${DESTKERNDIR}.
  34 #
  35 # MFILES        Optionally a list of interfaces used by the module.
  36 #               This file contains a default list of interfaces.
  37 #
  38 # FIRMWS        List of firmware images in format filename:shortname:version
  39 #
  40 # FIRMWARE_LICENSE
  41 #               Set to the name of the license the user has to agree on in
  42 #               order to use this firmware. See /usr/share/doc/legal
  43 #
  44 # +++ targets +++
  45 #
  46 #       install:
  47 #               install the kernel module and its manual pages; if the Makefile
  48 #               does not itself define the target install, the targets
  49 #               beforeinstall and afterinstall may also be used to cause
  50 #               actions immediately before and after the install target
  51 #               is executed.
  52 #
  53 #       load:
  54 #               Load KLD.
  55 #
  56 #       unload:
  57 #               Unload KLD.
  58 #
  59 # bsd.obj.mk: clean, cleandir and obj
  60 # bsd.dep.mk: cleandepend, depend and tags
  61 #
  62
  63 OBJCOPY?=       objcopy
  64 KMODLOAD?=      /sbin/kldload
  65 KMODUNLOAD?=    /sbin/kldunload
  66
  67 # KERNEL is needed when running make install directly from
  68 # the obj directory.
  69 KERNEL?=        kernel
  70
  71 KMODDIR?=       ${DESTKERNDIR}
  72 KMODOWN?=       ${BINOWN}
  73 KMODGRP?=       ${BINGRP}
  74 KMODMODE?=      ${BINMODE}
  75
  76 .include <bsd.init.mk>
  77
  78 .SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
  79
  80 .if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc80")
  81 WERROR=-Werror
  82 .endif
  83
  84 COPTFLAGS?=-O2 -pipe
  85
  86 # always use external as(1)
  87 .if ${CCVER:Mclang*}
  88 COPTFLAGS+=     -no-integrated-as
  89 .endif
  90
  91 # useful for debugging
  92 #.warning "KMOD-PREFILTER ${CFLAGS}"
  93
  94 WORLD_CCOPTLEVEL=       # XXX prevent world opt level affecting kernel modules
  95 CFLAGS=         ${COPTFLAGS} ${KCFLAGS} ${COPTS} -D_KERNEL
  96 CFLAGS+=        ${CWARNFLAGS} ${WERROR}
  97 CFLAGS+=        -DKLD_MODULE
  98
  99 # Don't use any standard include directories.
 100 # Since -nostdinc will annull any previous -I paths, we repeat all
 101 # such paths after -nostdinc.  It doesn't seem to be possible to
 102 # add to the front of `make' variable.
 103 #
 104 # Don't use -I- anymore, source-relative includes are desireable.
 105 _ICFLAGS:=      ${CFLAGS:M-I*}
 106 CFLAGS+=        -nostdinc ${_ICFLAGS}
 107
 108 # Add -I paths for system headers.  Individual KLD makefiles don't
 109 # need any -I paths for this.  Similar defaults for .PATH can't be
 110 # set because there are no standard paths for non-headers.
 111 #
 112 # NOTE!  Traditional platform paths such as <platform/pc64/blah.h>
 113 # must run through the "machine_base" softlink using
 114 # <machine_base/blah.h>.  An explicit cross-platform path must
 115 # operate relative to /usr/src/sys using e.g. <platform/pc64/isa/blah.h>
 116 #
 117 CFLAGS+=        -I. -I@
 118
 119 # Add -I paths for headers in the kernel build directory
 120 #
 121 .if defined(BUILDING_WITH_KERNEL)
 122 CFLAGS+=        -I${BUILDING_WITH_KERNEL}
 123 _MACHINE_FWD=   ${BUILDING_WITH_KERNEL}
 124 .else
 125 .if defined(MAKEOBJDIRPREFIX)
 126 _MACHINE_FWD=   ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH}
 127 .else
 128 _MACHINE_FWD=   ${.OBJDIR}/forwarder_${MACHINE_ARCH}
 129 CLEANDIRS+=     ${_MACHINE_FWD}
 130 .endif
 131 .endif
 132 CFLAGS+=        -I${_MACHINE_FWD}/include
 133
 134 .include "kern.fwd.mk"
 135
 136 # Add a -I path to standard headers like <stddef.h>.  Use a relative
 137 # path to src/include if possible.  If the @ symlink hasn't been built
 138 # yet, then we can't tell if the relative path exists.  Add both the
 139 # potential relative path and an absolute path in that case.
 140 .if exists(@)
 141 .if exists(@/../include)
 142 CFLAGS+=        -I@/../include
 143 .else
 144 CFLAGS+=        -I${DESTDIR}/usr/include
 145 .endif
 146 .else # !@
 147 CFLAGS+=        -I@/../include -I${DESTDIR}/usr/include
 148 .endif # @
 149
 150 .if defined(BUILDING_WITH_KERNEL) && \
 151     exists(${BUILDING_WITH_KERNEL}/opt_global.h)
 152 CFLAGS+=        -DHAVE_KERNEL_OPTION_HEADERS -include ${BUILDING_WITH_KERNEL}/opt_global.h
 153 .endif
 154
 155 CFLAGS+=        ${DEBUG_FLAGS}
 156 .if ${MACHINE_ARCH} == "x86_64"
 157 CFLAGS+=        -fno-omit-frame-pointer
 158 .endif
 159
 160 .if defined(FIRMWS)
 161 #AWK=/usr/bin/awk
 162 .if !exists(@)
 163 ${KMOD:S/$/.c/}: @
 164 .else
 165 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk
 166 .endif
 167         ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m ${KMOD} -c ${KMOD:S/$/.c/g} \
 168             ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
 169
 170 SRCS+=  ${KMOD:S/$/.c/}
 171 CLEANFILES+=    ${KMOD:S/$/.c/}
 172
 173 .for _firmw in ${FIRMWS}
 174 ${_firmw:C/\:.*$/.fwo/}:        ${_firmw:C/\:.*$//}
 175         @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
 176         @if [ -e ${_firmw:C/\:.*$//} ]; then                    \
 177                 ${LD} -b binary --no-warn-mismatch ${LDFLAGS}   \
 178                     -r -d -o ${.TARGET} ${_firmw:C/\:.*$//};    \
 179         else                                                    \
 180                 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
 181                 ${LD} -b binary --no-warn-mismatch ${LDFLAGS}   \
 182                     -r -d -o ${.TARGET} ${_firmw:C/\:.*$//};    \
 183                 rm ${_firmw:C/\:.*$//};                         \
 184         fi
 185
 186 OBJS+=  ${_firmw:C/\:.*$/.fwo/}
 187 .endfor
 188 .endif
 189
 190 OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}
 191
 192 .if !defined(PROG)
 193 PROG=   ${KMOD}.ko
 194 .endif
 195
 196 # In case of LTO provide all standard CFLAGS!
 197 .if ${CFLAGS:M-flto}
 198 ELDFLAGS+= ${CFLAGS}
 199 .endif
 200
 201 .if ${MACHINE_ARCH} != x86_64
 202 ${PROG}: ${KMOD}.kld
 203         ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \
 204         -Wl,-Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
 205 .endif
 206
 207 .if ${MACHINE_ARCH} != x86_64
 208 ${KMOD}.kld: ${OBJS}
 209         ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \
 210         ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
 211 .else
 212 ${PROG}: ${OBJS}
 213         ${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \
 214         ${LDFLAGS} -r -Wl,-d -o ${.TARGET} ${OBJS}
 215 .endif
 216
 217 # links to platform and cpu architecture include files.  If we are
 218 # building with a kernel these already exist in the kernel build dir.
 219 # '@' is a link to the system source.
 220 .if defined(BUILDING_WITH_KERNEL)
 221 _ILINKS=@
 222 .else
 223 _ILINKS=@ machine_base machine cpu_base cpu
 224 .endif
 225
 226 .if defined(ARCH)
 227 _ILINKS+=${ARCH}
 228 .endif
 229
 230 all: objwarn fwheaders ${PROG}
 231
 232 beforedepend: fwheaders
 233 fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE}
 234 # Ensure that the links exist without depending on it when it exists which
 235 # causes all the modules to be rebuilt when the directory pointed to changes.
 236 .for _link in ${_ILINKS}
 237 .if !exists(${.OBJDIR}/${_link})
 238 ${OBJS}: ${_link}
 239 .endif
 240 .endfor
 241
 242 # Search for kernel source tree in standard places.
 243 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
 244 .if !defined(SYSDIR) && exists(${_dir}/kern/)
 245 SYSDIR= ${_dir}
 246 .endif
 247 .endfor
 248 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
 249 .error "can't find kernel source tree"
 250 .endif
 251 S=      ${SYSDIR}
 252
 253 #       path=`(cd $$path && /bin/pwd)` ;
 254
 255 ${_ILINKS}:
 256         @case ${.TARGET} in \
 257         machine) \
 258                 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \
 259         machine_base) \
 260                 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \
 261         cpu) \
 262                 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \
 263         cpu_base) \
 264                 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \
 265         @) \
 266                 path=${SYSDIR} ;; \
 267         arch_*) \
 268                 path=${.CURDIR}/${MACHINE_ARCH} ;; \
 269         esac ; \
 270         ${ECHO} ${.TARGET} "->" $$path ; \
 271         ${LN} -s $$path ${.TARGET}
 272
 273 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
 274
 275 .if !target(install)
 276
 277 _INSTALLFLAGS:= ${INSTALLFLAGS}
 278 .for ie in ${INSTALLFLAGS_EDIT}
 279 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
 280 .endfor
 281
 282 .if !target(realinstall)
 283 realinstall: _kmodinstall
 284 .ORDER: beforeinstall _kmodinstall
 285 _kmodinstall:
 286 .if defined(INSTALLSTRIPPEDMODULES)
 287         ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 288             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
 289         ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG}
 290 .else
 291         ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 292             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
 293 .endif
 294 .endif # !target(realinstall)
 295
 296 .include <bsd.links.mk>
 297
 298 .endif # !target(install)
 299
 300 .if !target(load)
 301 load:   ${PROG}
 302         ${KMODLOAD} -v ./${KMOD}.ko
 303 .endif
 304
 305 .if !target(unload)
 306 unload:
 307         ${KMODUNLOAD} -v ${KMOD}
 308 .endif
 309
 310 .for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
 311 CLEANFILES+=    ${_src}
 312 .if !target(${_src})
 313 .if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src})
 314 ${_src}: ${BUILDING_WITH_KERNEL}/${_src}
 315 # we do not have to copy these files any more, the kernel build
 316 # directory is included in the path now.
 317 #       cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET}
 318 .else
 319 ${_src}:
 320         touch ${.TARGET}
 321 .endif  # BUILDING_WITH_KERNEL
 322 .endif
 323 .endfor
 324
 325 MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
 326     bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
 327     bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
 328     bus/pci/pcib_if.m \
 329     bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/u4b/usb_if.m \
 330     dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \
 331     dev/disk/sdhci/sdhci_if.m \
 332     dev/sound/pci/hda/hdac_if.m \
 333     dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
 334     dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
 335     dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \
 336     dev/sound/midi/synth_if.m  \
 337     libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \
 338     bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \
 339     dev/virtual/virtio/virtio/virtio_bus_if.m \
 340     dev/misc/coremctl/coremctl_if.m kern/cpu_if.m \
 341     bus/gpio/gpio_if.m
 342
 343 .for _srcsrc in ${MFILES}
 344 .for _ext in c h
 345 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
 346 CLEANFILES+=    ${_src}
 347 .if !target(${_src})
 348 ${_src}: @
 349 .if exists(@)
 350 ${_src}: @/tools/makeobjops.awk @/${_srcsrc}
 351 .endif
 352
 353 .if defined(BUILDING_WITH_KERNEL) && \
 354     exists(${BUILDING_WITH_KERNEL}/${_src})
 355 .else
 356         awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
 357 .endif
 358 .endif
 359 .endfor # _src
 360 .endfor # _ext
 361 .endfor # _srcsrc
 362
 363 .if !empty(SRCS:Mmiidevs.h)
 364 CLEANFILES+=    miidevs.h
 365 .if !exists(@)
 366 miidevs.h: @
 367 .else
 368 miidevs.h: @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
 369 .endif
 370         ${AWK} -f @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
 371 .endif
 372
 373 .if !empty(SRCS:Mpccarddevs.h)
 374 CLEANFILES+=    pccarddevs.h
 375 .if !exists(@)
 376 pccarddevs.h: @
 377 .else
 378 pccarddevs.h: @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
 379 .endif
 380         ${AWK} -f @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
 381 .endif
 382
 383 .if !empty(SRCS:Mpcidevs.h)
 384 CLEANFILES+=    pcidevs.h
 385 .if !exists(@)
 386 pcidevs.h: @
 387 .else
 388 pcidevs.h: @/tools/pcidevs2h.awk @/bus/pci/pcidevs
 389 .endif
 390         ${AWK} -f @/tools/pcidevs2h.awk @/bus/pci/pcidevs
 391 .endif
 392
 393 .if !empty(SRCS:Musbdevs.h)
 394 CLEANFILES+=    usbdevs.h
 395 .if !exists(@)
 396 usbdevs.h: @
 397 .else
 398 usbdevs.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
 399 .endif
 400         ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -h
 401 .endif
 402
 403 .if !empty(SRCS:Musbdevs_data.h)
 404 CLEANFILES+=    usbdevs_data.h
 405 .if !exists(@)
 406 usbdevs_data.h: @
 407 .else
 408 usbdevs_data.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
 409 .endif
 410         ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -d
 411 .endif
 412
 413 .if !empty(SRCS:Macpi_quirks.h)
 414 CLEANFILES+=    acpi_quirks.h
 415 .if !exists(@)
 416 acpi_quirks.h: @
 417 .else
 418 acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
 419 .endif
 420         ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
 421 .endif
 422
 423 .if !empty(SRCS:Massym.s)
 424 CLEANFILES+=    assym.s genassym.o
 425 assym.s: genassym.o
 426 .if defined(BUILDING_WITH_KERNEL)
 427 genassym.o: opt_global.h
 428 .endif
 429 .if !exists(@)
 430 assym.s: @
 431 .else
 432 assym.s: @/kern/genassym.sh
 433 .endif
 434         sh @/kern/genassym.sh genassym.o > ${.TARGET}
 435 .if exists(@)
 436 genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
 437 .endif
 438 genassym.o: @ ${SRCS:Mopt_*.h}
 439         ${CC} -c ${CFLAGS:N-fno-common:N-flto:N-mcmodel=small} -fcommon \
 440         ${WERROR} @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
 441 .endif
 442
 443 regress:
 444
 445 .include <bsd.dep.mk>
 446
 447 .if !exists(${DEPENDFILE})
 448 ${OBJS}: ${SRCS:M*.h}
 449 .endif
 450
 451 .include <bsd.obj.mk>
 452 .include "bsd.kern.mk"
 453
 454 # Behaves like MODULE_OVERRIDE
 455 .if defined(KLD_DEPS)
 456 all: _kdeps_all
 457 _kdeps_all: @
 458 .for _mdep in ${KLD_DEPS}
 459         cd ${SYSDIR}/${_mdep} && make all
 460 .endfor
 461 depend: _kdeps_depend
 462 _kdeps_depend: @
 463 .for _mdep in ${KLD_DEPS}
 464         cd ${SYSDIR}/${_mdep} && make depend
 465 .endfor
 466 install: _kdeps_install
 467 _kdeps_install: @
 468 .for _mdep in ${KLD_DEPS}
 469         cd ${SYSDIR}/${_mdep} && make install
 470 .endfor
 471 clean: _kdeps_clean
 472 _kdeps_clean: @
 473 .for _mdep in ${KLD_DEPS}
 474         cd ${SYSDIR}/${_mdep} && make clean
 475 .endfor
 476 .endif