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