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} == "gcc50")
  81 WERROR=-Werror
  82 .endif
  83
  84 WORLD_CCOPTLEVEL=       # XXX prevent world opt level affecting kernel modules
  85 CFLAGS+=        ${COPTS} -D_KERNEL ${CWARNFLAGS} ${WERROR}
  86 CFLAGS+=        -DKLD_MODULE
  87
  88 # Don't use any standard include directories.
  89 # Since -nostdinc will annull any previous -I paths, we repeat all
  90 # such paths after -nostdinc.  It doesn't seem to be possible to
  91 # add to the front of `make' variable.
  92 #
  93 # Don't use -I- anymore, source-relative includes are desireable.
  94 _ICFLAGS:=      ${CFLAGS:M-I*}
  95 CFLAGS+=        -nostdinc ${_ICFLAGS}
  96
  97 # Add -I paths for system headers.  Individual KLD makefiles don't
  98 # need any -I paths for this.  Similar defaults for .PATH can't be
  99 # set because there are no standard paths for non-headers.
 100 #
 101 # NOTE!  Traditional architecture paths such as <i386/i386/blah.h>
 102 # must run through the "machine_base" softlink using
 103 # <machine_base/i386/blah.h>.  An explicit cross-architecture path must
 104 # operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h>
 105 #
 106 CFLAGS+=        -I. -I@
 107
 108 # Add -I paths for headers in the kernel build directory
 109 #
 110 .if defined(BUILDING_WITH_KERNEL)
 111 CFLAGS+=        -I${BUILDING_WITH_KERNEL}
 112 _MACHINE_FWD=   ${BUILDING_WITH_KERNEL}
 113 .else
 114 .if defined(MAKEOBJDIRPREFIX)
 115 _MACHINE_FWD=   ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH}
 116 .else
 117 _MACHINE_FWD=   ${.OBJDIR}/forwarder_${MACHINE_ARCH}
 118 CLEANDIRS+=     ${_MACHINE_FWD}
 119 .endif
 120 .endif
 121 CFLAGS+=        -I${_MACHINE_FWD}/include
 122
 123 # For <openssl/headerfile>
 124 #
 125 CFLAGS+=-I@/../crypto/libressl/include
 126
 127 .include "kern.fwd.mk"
 128
 129 # Add a -I path to standard headers like <stddef.h>.  Use a relative
 130 # path to src/include if possible.  If the @ symlink hasn't been built
 131 # yet, then we can't tell if the relative path exists.  Add both the
 132 # potential relative path and an absolute path in that case.
 133 .if exists(@)
 134 .if exists(@/../include)
 135 CFLAGS+=        -I@/../include
 136 .else
 137 CFLAGS+=        -I${DESTDIR}/usr/include
 138 .endif
 139 .else # !@
 140 CFLAGS+=        -I@/../include -I${DESTDIR}/usr/include
 141 .endif # @
 142
 143 .if defined(BUILDING_WITH_KERNEL) && \
 144     exists(${BUILDING_WITH_KERNEL}/opt_global.h)
 145 CFLAGS+=        -DHAVE_KERNEL_OPTION_HEADERS -include ${BUILDING_WITH_KERNEL}/opt_global.h
 146 .endif
 147
 148 CFLAGS+=        ${DEBUG_FLAGS}
 149 .if ${MACHINE_ARCH} == "x86_64"
 150 CFLAGS+=        -fno-omit-frame-pointer
 151 .endif
 152
 153 .include <bsd.patch.mk>
 154
 155 .if defined(FIRMWS)
 156 AWK=/usr/bin/awk
 157 .if !exists(@)
 158 ${KMOD:S/$/.c/}: @
 159 .else
 160 ${KMOD:S/$/.c/}: @/tools/fw_stub.awk
 161 .endif
 162         ${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
 163             ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
 164
 165 SRCS+=  ${KMOD:S/$/.c/}
 166 CLEANFILES+=    ${KMOD:S/$/.c/}
 167
 168 .for _firmw in ${FIRMWS}
 169 ${_firmw:C/\:.*$/.fwo/}:        ${_firmw:C/\:.*$//}
 170         @${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
 171         @if [ -e ${_firmw:C/\:.*$//} ]; then                    \
 172                 ${LD} -b binary --no-warn-mismatch ${LDFLAGS}   \
 173                     -r -d -o ${.TARGET} ${_firmw:C/\:.*$//};    \
 174         else                                                    \
 175                 ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
 176                 ${LD} -b binary --no-warn-mismatch ${LDFLAGS}   \
 177                     -r -d -o ${.TARGET} ${_firmw:C/\:.*$//};    \
 178                 rm ${_firmw:C/\:.*$//};                         \
 179         fi
 180
 181 OBJS+=  ${_firmw:C/\:.*$/.fwo/}
 182 .endfor
 183 .endif
 184
 185 OBJS+=  ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
 186
 187 .if !defined(PROG)
 188 PROG=   ${KMOD}.ko
 189 .endif
 190
 191 .if ${MACHINE_ARCH} != x86_64
 192 ${PROG}: ${KMOD}.kld
 193         ${CC} -nostdlib -Wl,--hash-style=sysv \
 194         -Wl,-Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
 195 .endif
 196
 197 .if ${MACHINE_ARCH} != x86_64
 198 ${KMOD}.kld: ${OBJS}
 199         ${CC} -nostdlib -Wl,--hash-style=sysv \
 200         ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
 201 .else
 202 ${PROG}: ${OBJS}
 203         ${CC} -nostdlib -Wl,--hash-style=sysv \
 204         ${LDFLAGS} -r -Wl,-d -o ${.TARGET} ${OBJS}
 205 .endif
 206
 207 # links to platform and cpu architecture include files.  If we are
 208 # building with a kernel these already exist in the kernel build dir.
 209 # '@' is a link to the system source.
 210 .if defined(BUILDING_WITH_KERNEL)
 211 _ILINKS=@
 212 .else
 213 _ILINKS=@ machine_base machine cpu_base cpu
 214 .endif
 215
 216 .if defined(ARCH)
 217 _ILINKS+=${ARCH}
 218 .endif
 219
 220 all: objwarn fwheaders ${PROG}
 221
 222 beforedepend: fwheaders
 223 fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE}
 224 # Ensure that the links exist without depending on it when it exists which
 225 # causes all the modules to be rebuilt when the directory pointed to changes.
 226 .for _link in ${_ILINKS}
 227 .if !exists(${.OBJDIR}/${_link})
 228 ${OBJS}: ${_link}
 229 .endif
 230 .endfor
 231
 232 # Search for kernel source tree in standard places.
 233 .for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
 234 .if !defined(SYSDIR) && exists(${_dir}/kern/)
 235 SYSDIR= ${_dir}
 236 .endif
 237 .endfor
 238 .if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
 239 .error "can't find kernel source tree"
 240 .endif
 241 S=      ${SYSDIR}
 242
 243 #       path=`(cd $$path && /bin/pwd)` ;
 244
 245 ${_ILINKS}:
 246         @case ${.TARGET} in \
 247         machine) \
 248                 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \
 249         machine_base) \
 250                 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \
 251         cpu) \
 252                 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \
 253         cpu_base) \
 254                 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \
 255         @) \
 256                 path=${SYSDIR} ;; \
 257         arch_*) \
 258                 path=${.CURDIR}/${MACHINE_ARCH} ;; \
 259         esac ; \
 260         ${ECHO} ${.TARGET} "->" $$path ; \
 261         ${LN} -s $$path ${.TARGET}
 262
 263 CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
 264
 265 .if !target(install)
 266
 267 _INSTALLFLAGS:= ${INSTALLFLAGS}
 268 .for ie in ${INSTALLFLAGS_EDIT}
 269 _INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
 270 .endfor
 271
 272 .if !target(realinstall)
 273 realinstall: _kmodinstall
 274 .ORDER: beforeinstall _kmodinstall
 275 _kmodinstall:
 276 .if defined(INSTALLSTRIPPEDMODULES)
 277         ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 278             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
 279         ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG}
 280 .else
 281         ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
 282             ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
 283 .endif
 284 .endif # !target(realinstall)
 285
 286 .include <bsd.links.mk>
 287
 288 .endif # !target(install)
 289
 290 .if !target(load)
 291 load:   ${PROG}
 292         ${KMODLOAD} -v ./${KMOD}.ko
 293 .endif
 294
 295 .if !target(unload)
 296 unload:
 297         ${KMODUNLOAD} -v ${KMOD}
 298 .endif
 299
 300 .for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
 301 CLEANFILES+=    ${_src}
 302 .if !target(${_src})
 303 .if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src})
 304 ${_src}: ${BUILDING_WITH_KERNEL}/${_src}
 305 # we do not have to copy these files any more, the kernel build
 306 # directory is included in the path now.
 307 #       cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET}
 308 .else
 309 ${_src}:
 310         touch ${.TARGET}
 311 .endif  # BUILDING_WITH_KERNEL
 312 .endif
 313 .endfor
 314
 315 MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
 316     bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
 317     bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
 318     bus/pci/pcib_if.m \
 319     bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/u4b/usb_if.m \
 320     dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \
 321     dev/disk/sdhci/sdhci_if.m \
 322     dev/sound/pci/hda/hdac_if.m \
 323     dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
 324     dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
 325     dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \
 326     dev/sound/midi/synth_if.m  \
 327     libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \
 328     bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \
 329     dev/virtual/virtio/virtio/virtio_bus_if.m \
 330     dev/virtual/virtio/virtio/virtio_if.m \
 331     dev/misc/coremctl/coremctl_if.m kern/cpu_if.m \
 332     bus/gpio/gpio_if.m
 333
 334 .for _srcsrc in ${MFILES}
 335 .for _ext in c h
 336 .for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
 337 CLEANFILES+=    ${_src}
 338 .if !target(${_src})
 339 ${_src}: @
 340 .if exists(@)
 341 ${_src}: @/tools/makeobjops.awk @/${_srcsrc}
 342 .endif
 343
 344 .if defined(BUILDING_WITH_KERNEL) && \
 345     exists(${BUILDING_WITH_KERNEL}/${_src})
 346 .else
 347         awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
 348 .endif
 349 .endif
 350 .endfor # _src
 351 .endfor # _ext
 352 .endfor # _srcsrc
 353
 354 #.for _ext in c h
 355 #.if ${SRCS:Mvnode_if.${_ext}} != ""
 356 #CLEANFILES+=   vnode_if.${_ext}
 357 #vnode_if.${_ext}: @
 358 #.if exists(@)
 359 #vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src
 360 #.endif
 361 #       awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src
 362 #.endif
 363 #.endfor
 364
 365 .if !empty(SRCS:Mmiidevs.h)
 366 CLEANFILES+=    miidevs.h
 367 .if !exists(@)
 368 miidevs.h: @
 369 .else
 370 miidevs.h: @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
 371 .endif
 372         ${AWK} -f @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
 373 .endif
 374
 375 .if !empty(SRCS:Mpccarddevs.h)
 376 CLEANFILES+=    pccarddevs.h
 377 .if !exists(@)
 378 pccarddevs.h: @
 379 .else
 380 pccarddevs.h: @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
 381 .endif
 382         ${AWK} -f @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
 383 .endif
 384
 385 .if !empty(SRCS:Mpcidevs.h)
 386 CLEANFILES+=    pcidevs.h
 387 .if !exists(@)
 388 pcidevs.h: @
 389 .else
 390 pcidevs.h: @/tools/pcidevs2h.awk @/bus/pci/pcidevs
 391 .endif
 392         ${AWK} -f @/tools/pcidevs2h.awk @/bus/pci/pcidevs
 393 .endif
 394
 395 .if !empty(SRCS:Musbdevs.h)
 396 CLEANFILES+=    usbdevs.h
 397 .if !exists(@)
 398 usbdevs.h: @
 399 .else
 400 usbdevs.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
 401 .endif
 402         ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -h
 403 .endif
 404
 405 .if !empty(SRCS:Musbdevs_data.h)
 406 CLEANFILES+=    usbdevs_data.h
 407 .if !exists(@)
 408 usbdevs_data.h: @
 409 .else
 410 usbdevs_data.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
 411 .endif
 412         ${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -d
 413 .endif
 414
 415 .if !empty(SRCS:Macpi_quirks.h)
 416 CLEANFILES+=    acpi_quirks.h
 417 .if !exists(@)
 418 acpi_quirks.h: @
 419 .else
 420 acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
 421 .endif
 422         ${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
 423 .endif
 424
 425 .if !empty(SRCS:Massym.s)
 426 CLEANFILES+=    assym.s genassym.o
 427 assym.s: genassym.o
 428 .if defined(BUILDING_WITH_KERNEL)
 429 genassym.o: opt_global.h
 430 .endif
 431 .if !exists(@)
 432 assym.s: @
 433 .else
 434 assym.s: @/kern/genassym.sh
 435 .endif
 436         sh @/kern/genassym.sh genassym.o > ${.TARGET}
 437 .if exists(@)
 438 genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
 439 .endif
 440 genassym.o: @ ${SRCS:Mopt_*.h}
 441         ${CC} -c ${CFLAGS:N-fno-common:N-flto:N-mcmodel=small} ${WERROR} \
 442         @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
 443 .endif
 444
 445 regress:
 446
 447 .include <bsd.dep.mk>
 448
 449 .if !exists(${DEPENDFILE})
 450 ${OBJS}: ${SRCS:M*.h}
 451 .endif
 452
 453 .include <bsd.obj.mk>
 454 .include "bsd.kern.mk"
 455
 456 # Behaves like MODULE_OVERRIDE
 457 .if defined(KLD_DEPS)
 458 all: _kdeps_all
 459 _kdeps_all: @
 460 .for _mdep in ${KLD_DEPS}
 461         cd ${SYSDIR}/${_mdep} && make all
 462 .endfor
 463 depend: _kdeps_depend
 464 _kdeps_depend: @
 465 .for _mdep in ${KLD_DEPS}
 466         cd ${SYSDIR}/${_mdep} && make depend
 467 .endfor
 468 install: _kdeps_install
 469 _kdeps_install: @
 470 .for _mdep in ${KLD_DEPS}
 471         cd ${SYSDIR}/${_mdep} && make install
 472 .endfor
 473 clean: _kdeps_clean
 474 _kdeps_clean: @
 475 .for _mdep in ${KLD_DEPS}
 476         cd ${SYSDIR}/${_mdep} && make clean
 477 .endfor
 478 .endif