xref: /dragonfly/sys/conf/kmod.mk (revision 6052a76a)
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
63OBJCOPY?=	objcopy
64KMODLOAD?=	/sbin/kldload
65KMODUNLOAD?=	/sbin/kldunload
66
67# KERNEL is needed when running make install directly from
68# the obj directory.
69KERNEL?=	kernel
70
71KMODDIR?=	${DESTKERNDIR}
72KMODOWN?=	${BINOWN}
73KMODGRP?=	${BINGRP}
74KMODMODE?=	${BINMODE}
75
76.include <bsd.init.mk>
77
78.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
79
80.if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc50")
81WERROR=-Werror
82.endif
83
84WORLD_CCOPTLEVEL=	# XXX prevent world opt level affecting kernel modules
85CFLAGS+=	${COPTS} -D_KERNEL ${CWARNFLAGS} ${WERROR}
86CFLAGS+=	-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*}
95CFLAGS+=	-nostdinc ${_ICFLAGS}
96
97# Add -I paths for system headers.  Individual KLD makefiles don't
98# need any -I paths for this.  Similar defaults for .PATH can't be
99# set because there are no standard paths for non-headers.
100#
101# NOTE!  Traditional architecture paths such as <i386/i386/blah.h>
102# must run through the "machine_base" softlink using
103# <machine_base/i386/blah.h>.  An explicit cross-architecture path must
104# operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h>
105#
106CFLAGS+=	-I. -I@
107
108# Add -I paths for headers in the kernel build directory
109#
110.if defined(BUILDING_WITH_KERNEL)
111CFLAGS+=	-I${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}
118CLEANDIRS+=	${_MACHINE_FWD}
119.endif
120.endif
121CFLAGS+=	-I${_MACHINE_FWD}/include
122
123# For <openssl/headerfile>
124#
125CFLAGS+=-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)
135CFLAGS+=	-I@/../include
136.else
137CFLAGS+=	-I${DESTDIR}/usr/include
138.endif
139.else # !@
140CFLAGS+=	-I@/../include -I${DESTDIR}/usr/include
141.endif # @
142
143.if defined(BUILDING_WITH_KERNEL) && \
144    exists(${BUILDING_WITH_KERNEL}/opt_global.h)
145CFLAGS+=	-DHAVE_KERNEL_OPTION_HEADERS -include ${BUILDING_WITH_KERNEL}/opt_global.h
146.endif
147
148CFLAGS+=	${DEBUG_FLAGS}
149.if ${MACHINE_ARCH} == "x86_64"
150CFLAGS+=	-fno-omit-frame-pointer
151.endif
152
153.include <bsd.patch.mk>
154
155.if defined(FIRMWS)
156AWK=/usr/bin/awk
157.if !exists(@)
158${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
165SRCS+=	${KMOD:S/$/.c/}
166CLEANFILES+=	${KMOD:S/$/.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
181OBJS+=	${_firmw:C/\:.*$/.fwo/}
182.endfor
183.endif
184
185OBJS+=  ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
186
187.if !defined(PROG)
188PROG=	${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
220all: objwarn fwheaders ${PROG}
221
222beforedepend: fwheaders
223fwheaders: ${_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/)
235SYSDIR=	${_dir}
236.endif
237.endfor
238.if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
239.error "can't find kernel source tree"
240.endif
241S=	${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
263CLEANFILES+= ${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)
273realinstall: _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)
291load:	${PROG}
292	${KMODLOAD} -v ./${KMOD}.ko
293.endif
294
295.if !target(unload)
296unload:
297	${KMODUNLOAD} -v ${KMOD}
298.endif
299
300.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
301CLEANFILES+=	${_src}
302.if !target(${_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
315MFILES?= 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}}
337CLEANFILES+=	${_src}
338.if !target(${_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)
366CLEANFILES+=	miidevs.h
367.if !exists(@)
368miidevs.h: @
369.else
370miidevs.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)
376CLEANFILES+=	pccarddevs.h
377.if !exists(@)
378pccarddevs.h: @
379.else
380pccarddevs.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)
386CLEANFILES+=	pcidevs.h
387.if !exists(@)
388pcidevs.h: @
389.else
390pcidevs.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)
396CLEANFILES+=	usbdevs.h
397.if !exists(@)
398usbdevs.h: @
399.else
400usbdevs.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)
406CLEANFILES+=	usbdevs_data.h
407.if !exists(@)
408usbdevs_data.h: @
409.else
410usbdevs_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)
416CLEANFILES+=	acpi_quirks.h
417.if !exists(@)
418acpi_quirks.h: @
419.else
420acpi_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)
426CLEANFILES+=	assym.s genassym.o
427assym.s: genassym.o
428.if defined(BUILDING_WITH_KERNEL)
429genassym.o: opt_global.h
430.endif
431.if !exists(@)
432assym.s: @
433.else
434assym.s: @/kern/genassym.sh
435.endif
436	sh @/kern/genassym.sh genassym.o > ${.TARGET}
437.if exists(@)
438genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
439.endif
440genassym.o: @ ${SRCS:Mopt_*.h}
441	${CC} -c ${CFLAGS:N-fno-common:N-flto:N-mcmodel=small} ${WERROR} \
442	@/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
443.endif
444
445regress:
446
447.include <bsd.dep.mk>
448
449.if !exists(${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)
458all: _kdeps_all
459_kdeps_all: @
460.for _mdep in ${KLD_DEPS}
461	cd ${SYSDIR}/${_mdep} && make all
462.endfor
463depend: _kdeps_depend
464_kdeps_depend: @
465.for _mdep in ${KLD_DEPS}
466	cd ${SYSDIR}/${_mdep} && make depend
467.endfor
468install: _kdeps_install
469_kdeps_install: @
470.for _mdep in ${KLD_DEPS}
471	cd ${SYSDIR}/${_mdep} && make install
472.endfor
473clean: _kdeps_clean
474_kdeps_clean: @
475.for _mdep in ${KLD_DEPS}
476	cd ${SYSDIR}/${_mdep} && make clean
477.endfor
478.endif
479