xref: /dragonfly/sys/conf/kmod.mk (revision fe08e20d)
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
84COPTFLAGS?=-O2 -pipe
85
86# useful for debugging
87#.warning "KMOD-PREFILTER ${CFLAGS}"
88
89WORLD_CCOPTLEVEL=	# XXX prevent world opt level affecting kernel modules
90CFLAGS=		${COPTFLAGS} ${KCFLAGS} ${COPTS} -D_KERNEL
91CFLAGS+=	${CWARNFLAGS} ${WERROR}
92CFLAGS+=	-DKLD_MODULE
93
94# Don't use any standard include directories.
95# Since -nostdinc will annull any previous -I paths, we repeat all
96# such paths after -nostdinc.  It doesn't seem to be possible to
97# add to the front of `make' variable.
98#
99# Don't use -I- anymore, source-relative includes are desireable.
100_ICFLAGS:=	${CFLAGS:M-I*}
101CFLAGS+=	-nostdinc ${_ICFLAGS}
102
103# Add -I paths for system headers.  Individual KLD makefiles don't
104# need any -I paths for this.  Similar defaults for .PATH can't be
105# set because there are no standard paths for non-headers.
106#
107# NOTE!  Traditional platform paths such as <platform/pc64/blah.h>
108# must run through the "machine_base" softlink using
109# <machine_base/blah.h>.  An explicit cross-platform path must
110# operate relative to /usr/src/sys using e.g. <platform/pc64/isa/blah.h>
111#
112CFLAGS+=	-I. -I@
113
114# Add -I paths for headers in the kernel build directory
115#
116.if defined(BUILDING_WITH_KERNEL)
117CFLAGS+=	-I${BUILDING_WITH_KERNEL}
118_MACHINE_FWD=	${BUILDING_WITH_KERNEL}
119.else
120.if defined(MAKEOBJDIRPREFIX)
121_MACHINE_FWD=	${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH}
122.else
123_MACHINE_FWD=	${.OBJDIR}/forwarder_${MACHINE_ARCH}
124CLEANDIRS+=	${_MACHINE_FWD}
125.endif
126.endif
127CFLAGS+=	-I${_MACHINE_FWD}/include
128
129# For <openssl/headerfile>
130#
131CFLAGS+=-I@/../crypto/libressl/include
132
133.include "kern.fwd.mk"
134
135# Add a -I path to standard headers like <stddef.h>.  Use a relative
136# path to src/include if possible.  If the @ symlink hasn't been built
137# yet, then we can't tell if the relative path exists.  Add both the
138# potential relative path and an absolute path in that case.
139.if exists(@)
140.if exists(@/../include)
141CFLAGS+=	-I@/../include
142.else
143CFLAGS+=	-I${DESTDIR}/usr/include
144.endif
145.else # !@
146CFLAGS+=	-I@/../include -I${DESTDIR}/usr/include
147.endif # @
148
149.if defined(BUILDING_WITH_KERNEL) && \
150    exists(${BUILDING_WITH_KERNEL}/opt_global.h)
151CFLAGS+=	-DHAVE_KERNEL_OPTION_HEADERS -include ${BUILDING_WITH_KERNEL}/opt_global.h
152.endif
153
154CFLAGS+=	${DEBUG_FLAGS}
155.if ${MACHINE_ARCH} == "x86_64"
156CFLAGS+=	-fno-omit-frame-pointer
157.endif
158
159.include <bsd.patch.mk>
160
161.if defined(FIRMWS)
162AWK=/usr/bin/awk
163.if !exists(@)
164${KMOD:S/$/.c/}: @
165.else
166${KMOD:S/$/.c/}: @/tools/fw_stub.awk
167.endif
168	${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
169	    ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
170
171SRCS+=	${KMOD:S/$/.c/}
172CLEANFILES+=	${KMOD:S/$/.c/}
173
174.for _firmw in ${FIRMWS}
175${_firmw:C/\:.*$/.fwo/}:	${_firmw:C/\:.*$//}
176	@${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
177	@if [ -e ${_firmw:C/\:.*$//} ]; then			\
178		${LD} -b binary --no-warn-mismatch ${LDFLAGS}	\
179		    -r -d -o ${.TARGET}	${_firmw:C/\:.*$//};	\
180	else							\
181		ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
182		${LD} -b binary --no-warn-mismatch ${LDFLAGS}	\
183		    -r -d -o ${.TARGET}	${_firmw:C/\:.*$//};	\
184		rm ${_firmw:C/\:.*$//};				\
185	fi
186
187OBJS+=	${_firmw:C/\:.*$/.fwo/}
188.endfor
189.endif
190
191OBJS+=  ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
192
193.if !defined(PROG)
194PROG=	${KMOD}.ko
195.endif
196
197# In case of LTO provide all standard CFLAGS!
198.if ${CFLAGS:M-flto}
199ELDFLAGS+= ${CFLAGS}
200.endif
201
202.if ${MACHINE_ARCH} != x86_64
203${PROG}: ${KMOD}.kld
204	${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \
205	-Wl,-Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
206.endif
207
208.if ${MACHINE_ARCH} != x86_64
209${KMOD}.kld: ${OBJS}
210	${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \
211	${LDFLAGS} -r -o ${.TARGET} ${OBJS}
212.else
213${PROG}: ${OBJS}
214	${CC} ${ELDFLAGS} -nostdlib -Wl,--hash-style=sysv \
215	${LDFLAGS} -r -Wl,-d -o ${.TARGET} ${OBJS}
216.endif
217
218# links to platform and cpu architecture include files.  If we are
219# building with a kernel these already exist in the kernel build dir.
220# '@' is a link to the system source.
221.if defined(BUILDING_WITH_KERNEL)
222_ILINKS=@
223.else
224_ILINKS=@ machine_base machine cpu_base cpu
225.endif
226
227.if defined(ARCH)
228_ILINKS+=${ARCH}
229.endif
230
231all: objwarn fwheaders ${PROG}
232
233beforedepend: fwheaders
234fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE}
235# Ensure that the links exist without depending on it when it exists which
236# causes all the modules to be rebuilt when the directory pointed to changes.
237.for _link in ${_ILINKS}
238.if !exists(${.OBJDIR}/${_link})
239${OBJS}: ${_link}
240.endif
241.endfor
242
243# Search for kernel source tree in standard places.
244.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
245.if !defined(SYSDIR) && exists(${_dir}/kern/)
246SYSDIR=	${_dir}
247.endif
248.endfor
249.if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
250.error "can't find kernel source tree"
251.endif
252S=	${SYSDIR}
253
254#	path=`(cd $$path && /bin/pwd)` ;
255
256${_ILINKS}:
257	@case ${.TARGET} in \
258	machine) \
259		path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \
260	machine_base) \
261		path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \
262	cpu) \
263		path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \
264	cpu_base) \
265		path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \
266	@) \
267		path=${SYSDIR} ;; \
268	arch_*) \
269		path=${.CURDIR}/${MACHINE_ARCH} ;; \
270	esac ; \
271	${ECHO} ${.TARGET} "->" $$path ; \
272	${LN} -s $$path ${.TARGET}
273
274CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
275
276.if !target(install)
277
278_INSTALLFLAGS:=	${INSTALLFLAGS}
279.for ie in ${INSTALLFLAGS_EDIT}
280_INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
281.endfor
282
283.if !target(realinstall)
284realinstall: _kmodinstall
285.ORDER: beforeinstall _kmodinstall
286_kmodinstall:
287.if defined(INSTALLSTRIPPEDMODULES)
288	${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
289	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
290	${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG}
291.else
292	${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
293	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
294.endif
295.endif # !target(realinstall)
296
297.include <bsd.links.mk>
298
299.endif # !target(install)
300
301.if !target(load)
302load:	${PROG}
303	${KMODLOAD} -v ./${KMOD}.ko
304.endif
305
306.if !target(unload)
307unload:
308	${KMODUNLOAD} -v ${KMOD}
309.endif
310
311.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
312CLEANFILES+=	${_src}
313.if !target(${_src})
314.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src})
315${_src}: ${BUILDING_WITH_KERNEL}/${_src}
316# we do not have to copy these files any more, the kernel build
317# directory is included in the path now.
318#	cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET}
319.else
320${_src}:
321	touch ${.TARGET}
322.endif	# BUILDING_WITH_KERNEL
323.endif
324.endfor
325
326MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
327    bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
328    bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
329    bus/pci/pcib_if.m \
330    bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/u4b/usb_if.m \
331    dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \
332    dev/disk/sdhci/sdhci_if.m \
333    dev/sound/pci/hda/hdac_if.m \
334    dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
335    dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
336    dev/sound/midi/mpu_if.m dev/sound/midi/mpufoi_if.m \
337    dev/sound/midi/synth_if.m  \
338    libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \
339    bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \
340    dev/virtual/virtio/virtio/virtio_bus_if.m \
341    dev/virtual/virtio/virtio/virtio_if.m \
342    dev/misc/coremctl/coremctl_if.m kern/cpu_if.m \
343    bus/gpio/gpio_if.m
344
345.for _srcsrc in ${MFILES}
346.for _ext in c h
347.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
348CLEANFILES+=	${_src}
349.if !target(${_src})
350${_src}: @
351.if exists(@)
352${_src}: @/tools/makeobjops.awk @/${_srcsrc}
353.endif
354
355.if defined(BUILDING_WITH_KERNEL) && \
356    exists(${BUILDING_WITH_KERNEL}/${_src})
357.else
358	awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
359.endif
360.endif
361.endfor # _src
362.endfor # _ext
363.endfor # _srcsrc
364
365#.for _ext in c h
366#.if ${SRCS:Mvnode_if.${_ext}} != ""
367#CLEANFILES+=	vnode_if.${_ext}
368#vnode_if.${_ext}: @
369#.if exists(@)
370#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src
371#.endif
372#	awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src
373#.endif
374#.endfor
375
376.if !empty(SRCS:Mmiidevs.h)
377CLEANFILES+=	miidevs.h
378.if !exists(@)
379miidevs.h: @
380.else
381miidevs.h: @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
382.endif
383	${AWK} -f @/tools/miidevs2h.awk @/dev/netif/mii_layer/miidevs
384.endif
385
386.if !empty(SRCS:Mpccarddevs.h)
387CLEANFILES+=	pccarddevs.h
388.if !exists(@)
389pccarddevs.h: @
390.else
391pccarddevs.h: @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
392.endif
393	${AWK} -f @/tools/pccarddevs2h.awk @/bus/pccard/pccarddevs
394.endif
395
396.if !empty(SRCS:Mpcidevs.h)
397CLEANFILES+=	pcidevs.h
398.if !exists(@)
399pcidevs.h: @
400.else
401pcidevs.h: @/tools/pcidevs2h.awk @/bus/pci/pcidevs
402.endif
403	${AWK} -f @/tools/pcidevs2h.awk @/bus/pci/pcidevs
404.endif
405
406.if !empty(SRCS:Musbdevs.h)
407CLEANFILES+=	usbdevs.h
408.if !exists(@)
409usbdevs.h: @
410.else
411usbdevs.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
412.endif
413	${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -h
414.endif
415
416.if !empty(SRCS:Musbdevs_data.h)
417CLEANFILES+=	usbdevs_data.h
418.if !exists(@)
419usbdevs_data.h: @
420.else
421usbdevs_data.h: @/tools/usbdevs2h.awk @/bus/u4b/usbdevs
422.endif
423	${AWK} -f @/tools/usbdevs2h.awk @/bus/u4b/usbdevs -d
424.endif
425
426.if !empty(SRCS:Macpi_quirks.h)
427CLEANFILES+=	acpi_quirks.h
428.if !exists(@)
429acpi_quirks.h: @
430.else
431acpi_quirks.h: @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
432.endif
433	${AWK} -f @/tools/acpi_quirks2h.awk @/dev/acpica/acpi_quirks
434.endif
435
436.if !empty(SRCS:Massym.s)
437CLEANFILES+=	assym.s genassym.o
438assym.s: genassym.o
439.if defined(BUILDING_WITH_KERNEL)
440genassym.o: opt_global.h
441.endif
442.if !exists(@)
443assym.s: @
444.else
445assym.s: @/kern/genassym.sh
446.endif
447	sh @/kern/genassym.sh genassym.o > ${.TARGET}
448.if exists(@)
449genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
450.endif
451genassym.o: @ ${SRCS:Mopt_*.h}
452	${CC} -c ${CFLAGS:N-fno-common:N-flto:N-mcmodel=small} ${WERROR} \
453	@/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
454.endif
455
456regress:
457
458.include <bsd.dep.mk>
459
460.if !exists(${DEPENDFILE})
461${OBJS}: ${SRCS:M*.h}
462.endif
463
464.include <bsd.obj.mk>
465.include "bsd.kern.mk"
466
467# Behaves like MODULE_OVERRIDE
468.if defined(KLD_DEPS)
469all: _kdeps_all
470_kdeps_all: @
471.for _mdep in ${KLD_DEPS}
472	cd ${SYSDIR}/${_mdep} && make all
473.endfor
474depend: _kdeps_depend
475_kdeps_depend: @
476.for _mdep in ${KLD_DEPS}
477	cd ${SYSDIR}/${_mdep} && make depend
478.endfor
479install: _kdeps_install
480_kdeps_install: @
481.for _mdep in ${KLD_DEPS}
482	cd ${SYSDIR}/${_mdep} && make install
483.endfor
484clean: _kdeps_clean
485_kdeps_clean: @
486.for _mdep in ${KLD_DEPS}
487	cd ${SYSDIR}/${_mdep} && make clean
488.endfor
489.endif
490