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} == "gcc44" || ${CCVER} == "gcc47")
  81 WERROR=-Werror
  82 .endif
  83
  84 CFLAGS+=        ${COPTS} -D_KERNEL ${CWARNFLAGS} ${WERROR}
  85 CFLAGS+=        -DKLD_MODULE
  86
  87 # Don't use any standard include directories.
  88 # Since -nostdinc will annull any previous -I paths, we repeat all
  89 # such paths after -nostdinc.  It doesn't seem to be possible to
  90 # add to the front of `make' variable.
  91 #
  92 # Don't use -I- anymore, source-relative includes are desireable.
  93 _ICFLAGS:=      ${CFLAGS:M-I*}
  94 CFLAGS+=        -nostdinc ${_ICFLAGS}
  95
  96 # Add -I paths for system headers.  Individual KLD makefiles don't
  97 # need any -I paths for this.  Similar defaults for .PATH can't be
  98 # set because there are no standard paths for non-headers.
  99 #
 100 # NOTE!  Traditional architecture paths such as <i386/i386/blah.h>
 101 # must run through the "machine_base" softlink using
 102 # <machine_base/i386/blah.h>.  An explicit cross-architecture path must
 103 # operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h>
 104 #
 105 CFLAGS+=        -I. -I@
 106
 107 # Add -I paths for headers in the kernel build directory
 108 #
 109 .if defined(BUILDING_WITH_KERNEL)
 110 CFLAGS+=        -I${BUILDING_WITH_KERNEL}
 111 _MACHINE_FWD=   ${BUILDING_WITH_KERNEL}
 112 .else
 113 .if defined(MAKEOBJDIRPREFIX)
 114 _MACHINE_FWD=   ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH}
 115 .else
 116 _MACHINE_FWD=   ${.OBJDIR}/forwarder_${MACHINE_ARCH}
 117 CLEANDIRS+=     ${_MACHINE_FWD}
 118 .endif
 119 .endif
 120 CFLAGS+=        -I${_MACHINE_FWD}/include
 121 .include "kern.fwd.mk"
 122
 123 # Add a -I path to standard headers like <stddef.h>.  Use a relative
 124 # path to src/include if possible.  If the @ symlink hasn't been built
 125 # yet, then we can't tell if the relative path exists.  Add both the
 126 # potential relative path and an absolute path in that case.
 127 .if exists(@)
 128 .if exists(@/../include)
 129 CFLAGS+=        -I@/../include
 130 .else
 131 CFLAGS+=        -I${DESTDIR}/usr/include
 132 .endif
 133 .else # !@
 134 CFLAGS+=        -I@/../include -I${DESTDIR}/usr/include
 135 .endif # @
 136
 137 .if defined(BUILDING_WITH_KERNEL) && \
 138     exists(${BUILDING_WITH_KERNEL}/opt_global.h)
 139 CFLAGS+=        -include ${BUILDING_WITH_KERNEL}/opt_global.h
 140 .endif
 141
 142 CFLAGS+=        ${DEBUG_FLAGS}
 143 .if ${MACHINE_ARCH} == x86_64
 144 CFLAGS+=        -fno-omit-frame-pointer
 145 .endif
 146
 147 .include <bsd.patch.mk>
 148
 149 .if defined(FIRMWS)
 150 AWK=/usr/bin/awk
 151 .if !exists(@)
 152 ${KMOD:S/$/.c/}: @
 153 .else
 154 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk
 155 .endif
 156         ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
 157             ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
 158
 159 SRCS+=  ${KMOD:S/$/.c/}
 160 CLEANFILES+=    ${KMOD:S/$/.c/}
 161
 162 .for _firmw in ${FIRMWS}
 163 ${_firmw:C/\:.*$/.fwo/}:        ${_firmw:C/\:.*$//}
 164         @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
 165         @if [ -e ${_firmw:C/\:.*$//} ]; then                    \
 166                 ${LD} -b binary --no-warn-mismatch ${LDFLAGS}   \
 167                     -r -d -o ${.TARGET} ${_firmw:C/\:.*$//};    \
 168         else                                                    \
 169                 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
 170                 ${LD} -b binary --no-warn-mismatch ${LDFLAGS}   \
 171                     -r -d -o ${.TARGET} ${_firmw:C/\:.*$//};    \
 172                 rm ${_firmw:C/\:.*$//};                         \
 173         fi
 174
 175 OBJS+=  ${_firmw:C/\:.*$/.fwo/}
 176 .endfor
 177 .endif
 178
 179 OBJS+=  ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
 180
 181 .if !defined(PROG)
 182 PROG=   ${KMOD}.ko
 183 .endif
 184
 185 .if ${MACHINE_ARCH} != x86_64
 186 ${PROG}: ${KMOD}.kld
 187         ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
 188 .endif
 189
 190 .if ${MACHINE_ARCH} != x86_64
 191 ${KMOD}.kld: ${OBJS}
 192         ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
 193 .else
 194 ${PROG}: ${OBJS}
 195         ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
 196 .endif
 197
 198 # links to platform and cpu architecture include files.  If we are
 199 # building with a kernel these already exist in the kernel build dir.
 200 # '@' is a link to the system source.
 201 .if defined(BUILDING_WITH_KERNEL)
 202 _ILINKS=@
 203 .else
 204 _ILINKS=@ machine_base machine cpu_base cpu
 205 .endif
 206
 207 .if defined(ARCH)
 208 _ILINKS+=${ARCH}
 209 .endif
 210
 211 all: objwarn fwheaders ${PROG}
 212
 213 beforedepend: fwheaders
 214 fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE}
 215 # Ensure that the links exist without depending on it when it exists which
 216 # causes all the modules to be rebuilt when the directory pointed to changes.
 217 .for _link in ${_ILINKS}
 218 .if !exists(${.OBJDIR}/${_link})
 219 ${OBJS}: ${_link}
 220 .endif
 221 .endfor
 222
 223 # Search for kernel source tree in standard places.
 224 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
 225 .if !defined(SYSDIR) && exists(${_dir}/kern/)
 226 SYSDIR= ${_dir}
 227 .endif
 228 .endfor
 229 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
 230 .error "can't find kernel source tree"
 231 .endif
 232 S=      ${SYSDIR}
 233
 234 #       path=`(cd $$path && /bin/pwd)` ;
 235
 236 ${_ILINKS}:
 237         @case ${.TARGET} in \
 238         machine) \
 239                 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \
 240         machine_base) \
 241                 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \
 242         cpu) \
 243                 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \
 244         cpu_base) \
 245                 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \
 246         @) \
 247                 path=${SYSDIR} ;; \
 248         arch_*) \
 249                 path=${.CURDIR}/${MACHINE_ARCH} ;; \
 250         esac ; \
 251         ${ECHO} ${.TARGET} "->" $$path ; \
 252         ${LN} -s $$path ${.TARGET}
 253
 254 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
 255
 256 .if !target(install)
 257
 258 _INSTALLFLAGS:= ${INSTALLFLAGS}
 259 .for ie in ${INSTALLFLAGS_EDIT}
 260 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
 261 .endfor
 262
 263 .if !target(realinstall)
 264 realinstall: _kmodinstall
 265 .ORDER: beforeinstall _kmodinstall
 266 _kmodinstall:
 267 .if defined(INSTALLSTRIPPEDMODULES)
 268         ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 269             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
 270         ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG}
 271 .else
 272         ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 273             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
 274 .endif
 275 .endif # !target(realinstall)
 276
 277 .include <bsd.links.mk>
 278
 279 .endif # !target(install)
 280
 281 .if !target(load)
 282 load:   ${PROG}
 283         ${KMODLOAD} -v ./${KMOD}.ko
 284 .endif
 285
 286 .if !target(unload)
 287 unload:
 288         ${KMODUNLOAD} -v ${KMOD}
 289 .endif
 290
 291 .for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
 292 CLEANFILES+=    ${_src}
 293 .if !target(${_src})
 294 .if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src})
 295 ${_src}: ${BUILDING_WITH_KERNEL}/${_src}
 296 # we do not have to copy these files any more, the kernel build
 297 # directory is included in the path now.
 298 #       cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET}
 299 .else
 300 ${_src}:
 301         touch ${.TARGET}
 302 .endif  # BUILDING_WITH_KERNEL
 303 .endif
 304 .endfor
 305
 306 MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
 307     bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
 308     bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
 309     bus/pci/pcib_if.m \
 310     bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/u4b/usb_if.m \
 311     dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \
 312     dev/disk/sdhci/sdhci_if.m \
 313     dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
 314     dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
 315     libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \
 316     bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \
 317     dev/virtual/virtio/virtio/virtio_bus_if.m \
 318     dev/virtual/virtio/virtio/virtio_if.m
 319
 320 .for _srcsrc in ${MFILES}
 321 .for _ext in c h
 322 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
 323 CLEANFILES+=    ${_src}
 324 .if !target(${_src})
 325 ${_src}: @
 326 .if exists(@)
 327 ${_src}: @/tools/makeobjops.awk @/${_srcsrc}
 328 .endif
 329
 330 .if defined(BUILDING_WITH_KERNEL) && \
 331     exists(${BUILDING_WITH_KERNEL}/${_src})
 332 .else
 333         awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
 334 .endif
 335 .endif
 336 .endfor # _src
 337 .endfor # _ext
 338 .endfor # _srcsrc
 339
 340 #.for _ext in c h
 341 #.if ${SRCS:Mvnode_if.${_ext}} != ""
 342 #CLEANFILES+=   vnode_if.${_ext}
 343 #vnode_if.${_ext}: @
 344 #.if exists(@)
 345 #vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src
 346 #.endif
 347 #       awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src
 348 #.endif
 349 #.endfor
 350
 351 .if !empty(SRCS:Mmiidevs.h)
 352 CLEANFILES+=    miidevs.h
 353 .if !exists(@)
 354 miidevs.h: @
 355 .else
 356 miidevs.h: @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
 357 .endif
 358         ${AWK} -f @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
 359 .endif
 360
 361 .if !empty(SRCS:Mpccarddevs.h)
 362 CLEANFILES+=    pccarddevs.h
 363 .if !exists(@)
 364 pccarddevs.h: @
 365 .else
 366 pccarddevs.h: @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
 367 .endif
 368         ${AWK} -f @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
 369 .endif
 370
 371 .if !empty(SRCS:Mpcidevs.h)
 372 CLEANFILES+=    pcidevs.h
 373 .if !exists(@)
 374 pcidevs.h: @
 375 .else
 376 pcidevs.h: @/tools/pcidevs2h.awk @/bus/pci/pcidevs
 377 .endif
 378         ${AWK} -f @/tools/pcidevs2h.awk @/bus/pci/pcidevs
 379 .endif
 380
 381 .if !empty(SRCS:Musbdevs.h)
 382 CLEANFILES+=    usbdevs.h
 383 .if !exists(@)
 384 usbdevs.h: @
 385 .else
 386 usbdevs.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
 387 .endif
 388         ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -h
 389 .endif
 390
 391 .if !empty(SRCS:Musbdevs_data.h)
 392 CLEANFILES+=    usbdevs_data.h
 393 .if !exists(@)
 394 usbdevs_data.h: @
 395 .else
 396 usbdevs_data.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
 397 .endif
 398         ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -d
 399 .endif
 400
 401 .if !empty(SRCS:Macpi_quirks.h)
 402 CLEANFILES+=    acpi_quirks.h
 403 .if !exists(@)
 404 acpi_quirks.h: @
 405 .else
 406 acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
 407 .endif
 408         ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
 409 .endif
 410
 411 .if !empty(SRCS:Massym.s)
 412 CLEANFILES+=    assym.s genassym.o
 413 assym.s: genassym.o
 414 .if defined(BUILDING_WITH_KERNEL)
 415 genassym.o: opt_global.h
 416 .endif
 417 .if !exists(@)
 418 assym.s: @
 419 .else
 420 assym.s: @/kern/genassym.sh
 421 .endif
 422         sh @/kern/genassym.sh genassym.o > ${.TARGET}
 423 .if exists(@)
 424 genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
 425 .endif
 426 genassym.o: @ ${SRCS:Mopt_*.h}
 427         ${CC} -c ${CFLAGS:N-fno-common:N-mcmodel=small} ${WERROR} \
 428         @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
 429 .endif
 430
 431 regress:
 432
 433 .include <bsd.dep.mk>
 434
 435 .if !exists(${DEPENDFILE})
 436 ${OBJS}: ${SRCS:M*.h}
 437 .endif
 438
 439 .include <bsd.obj.mk>
 440 .include "bsd.kern.mk"
 441
 442 # Behaves like MODULE_OVERRIDE
 443 .if defined(KLD_DEPS)
 444 all: _kdeps_all
 445 _kdeps_all: @
 446 .for _mdep in ${KLD_DEPS}
 447         cd ${SYSDIR}/${_mdep} && make all
 448 .endfor
 449 depend: _kdeps_depend
 450 _kdeps_depend: @
 451 .for _mdep in ${KLD_DEPS}
 452         cd ${SYSDIR}/${_mdep} && make depend
 453 .endfor
 454 install: _kdeps_install
 455 _kdeps_install: @
 456 .for _mdep in ${KLD_DEPS}
 457         cd ${SYSDIR}/${_mdep} && make install
 458 .endfor
 459 clean: _kdeps_clean
 460 _kdeps_clean: @
 461 .for _mdep in ${KLD_DEPS}
 462         cd ${SYSDIR}/${_mdep} && make clean
 463 .endfor
 464 .endif