xref: /dragonfly/sys/conf/kmod.mk (revision cecb9aae) 
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
80CFLAGS+=	${COPTS} -D_KERNEL ${CWARNFLAGS}
81CFLAGS+=	-DKLD_MODULE
82
83# Don't use any standard include directories.
84# Since -nostdinc will annull any previous -I paths, we repeat all
85# such paths after -nostdinc.  It doesn't seem to be possible to
86# add to the front of `make' variable.
87#
88# Don't use -I- anymore, source-relative includes are desireable.
89_ICFLAGS:=	${CFLAGS:M-I*}
90CFLAGS+=	-nostdinc ${_ICFLAGS}
91
92# Add -I paths for system headers.  Individual KLD makefiles don't
93# need any -I paths for this.  Similar defaults for .PATH can't be
94# set because there are no standard paths for non-headers.
95#
96# NOTE!  Traditional architecture paths such as <i386/i386/blah.h>
97# must run through the "machine_base" softlink using
98# <machine_base/i386/blah.h>.  An explicit cross-architecture path must
99# operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h>
100#
101CFLAGS+=	-I. -I@
102
103# Add -I paths for headers in the kernel build directory
104#
105.if defined(BUILDING_WITH_KERNEL)
106CFLAGS+=	-I${BUILDING_WITH_KERNEL}
107_MACHINE_FWD=	${BUILDING_WITH_KERNEL}
108.else
109.if defined(MAKEOBJDIRPREFIX)
110_MACHINE_FWD=	${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH}
111.else
112_MACHINE_FWD=	${.OBJDIR}/forwarder_${MACHINE_ARCH}
113CLEANDIRS+=	${_MACHINE_FWD}
114.endif
115.endif
116CFLAGS+=	-I${_MACHINE_FWD}/include
117.include "kern.fwd.mk"
118
119# Add a -I path to standard headers like <stddef.h>.  Use a relative
120# path to src/include if possible.  If the @ symlink hasn't been built
121# yet, then we can't tell if the relative path exists.  Add both the
122# potential relative path and an absolute path in that case.
123.if exists(@)
124.if exists(@/../include)
125CFLAGS+=	-I@/../include
126.else
127CFLAGS+=	-I${DESTDIR}/usr/include
128.endif
129.else # !@
130CFLAGS+=	-I@/../include -I${DESTDIR}/usr/include
131.endif # @
132
133.if defined(BUILDING_WITH_KERNEL) && \
134    exists(${BUILDING_WITH_KERNEL}/opt_global.h)
135CFLAGS+=	-include ${BUILDING_WITH_KERNEL}/opt_global.h
136.endif
137
138CFLAGS+=	${DEBUG_FLAGS}
139.if ${MACHINE_ARCH} == x86_64
140CFLAGS+=	-fno-omit-frame-pointer
141.endif
142
143.include <bsd.patch.mk>
144
145.if defined(FIRMWS)
146AWK=/usr/bin/awk
147.if !exists(@)
148${KMOD:S/$/.c/}: @
149.else
150${KMOD:S/$/.c/}: @/tools/fw_stub.awk
151.endif
152	${AWK} -f @/tools/fw_stub.awk ${FIRMWS} -m${KMOD} -c${KMOD:S/$/.c/g} \
153	    ${FIRMWARE_LICENSE:C/.+/-l/}${FIRMWARE_LICENSE}
154
155SRCS+=	${KMOD:S/$/.c/}
156CLEANFILES+=	${KMOD:S/$/.c/}
157
158.for _firmw in ${FIRMWS}
159${_firmw:C/\:.*$/.fwo/}:	${_firmw:C/\:.*$//}
160	@${ECHO} ${_firmw:C/\:.*$//} ${.ALLSRC:M*${_firmw:C/\:.*$//}}
161	@if [ -e ${_firmw:C/\:.*$//} ]; then			\
162		${LD} -b binary --no-warn-mismatch ${LDFLAGS}	\
163		    -r -d -o ${.TARGET}	${_firmw:C/\:.*$//};	\
164	else							\
165		ln -s ${.ALLSRC:M*${_firmw:C/\:.*$//}} ${_firmw:C/\:.*$//}; \
166		${LD} -b binary --no-warn-mismatch ${LDFLAGS}	\
167		    -r -d -o ${.TARGET}	${_firmw:C/\:.*$//};	\
168		rm ${_firmw:C/\:.*$//};				\
169	fi
170
171OBJS+=	${_firmw:C/\:.*$/.fwo/}
172.endfor
173.endif
174
175OBJS+=  ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
176
177.if !defined(PROG)
178PROG=	${KMOD}.ko
179.endif
180
181.if ${MACHINE_ARCH} != x86_64
182${PROG}: ${KMOD}.kld
183	${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
184.endif
185
186.if ${MACHINE_ARCH} != x86_64
187${KMOD}.kld: ${OBJS}
188	${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
189.else
190${PROG}: ${OBJS}
191	${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
192.endif
193
194# links to platform and cpu architecture include files.  If we are
195# building with a kernel these already exist in the kernel build dir.
196# '@' is a link to the system source.
197.if defined(BUILDING_WITH_KERNEL)
198_ILINKS=@
199.else
200_ILINKS=@ machine_base machine cpu_base cpu
201.endif
202
203.if defined(ARCH)
204_ILINKS+=${ARCH}
205.endif
206
207all: objwarn fwheaders ${PROG}
208
209beforedepend: fwheaders
210fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE}
211# Ensure that the links exist without depending on it when it exists which
212# causes all the modules to be rebuilt when the directory pointed to changes.
213.for _link in ${_ILINKS}
214.if !exists(${.OBJDIR}/${_link})
215${OBJS}: ${_link}
216.endif
217.endfor
218
219# Search for kernel source tree in standard places.
220.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
221.if !defined(SYSDIR) && exists(${_dir}/kern/)
222SYSDIR=	${_dir}
223.endif
224.endfor
225.if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
226.error "can't find kernel source tree"
227.endif
228S=	${SYSDIR}
229
230#	path=`(cd $$path && /bin/pwd)` ;
231
232${_ILINKS}:
233	@case ${.TARGET} in \
234	machine) \
235		path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \
236	machine_base) \
237		path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \
238	cpu) \
239		path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \
240	cpu_base) \
241		path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \
242	@) \
243		path=${SYSDIR} ;; \
244	arch_*) \
245		path=${.CURDIR}/${MACHINE_ARCH} ;; \
246	esac ; \
247	${ECHO} ${.TARGET} "->" $$path ; \
248	${LN} -s $$path ${.TARGET}
249
250CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
251
252.if !target(install)
253
254_INSTALLFLAGS:=	${INSTALLFLAGS}
255.for ie in ${INSTALLFLAGS_EDIT}
256_INSTALLFLAGS:=	${_INSTALLFLAGS${ie}}
257.endfor
258
259.if !target(realinstall)
260realinstall: _kmodinstall
261.ORDER: beforeinstall _kmodinstall
262_kmodinstall:
263.if defined(INSTALLSTRIPPEDMODULES)
264	${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
265	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
266	${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG}
267.else
268	${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
269	    ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
270.endif
271.endif # !target(realinstall)
272
273.include <bsd.links.mk>
274
275.endif # !target(install)
276
277.if !target(load)
278load:	${PROG}
279	${KMODLOAD} -v ./${KMOD}.ko
280.endif
281
282.if !target(unload)
283unload:
284	${KMODUNLOAD} -v ${KMOD}
285.endif
286
287.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
288CLEANFILES+=	${_src}
289.if !target(${_src})
290.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src})
291${_src}: ${BUILDING_WITH_KERNEL}/${_src}
292# we do not have to copy these files any more, the kernel build
293# directory is included in the path now.
294#	cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET}
295.else
296${_src}:
297	touch ${.TARGET}
298.endif	# BUILDING_WITH_KERNEL
299.endif
300.endfor
301
302MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
303    bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
304    bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
305    bus/pci/pcib_if.m \
306    bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m \
307    dev/acpica/acpi_if.m dev/acpica/acpi_wmi_if.m dev/disk/nata/ata_if.m \
308    dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
309    dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
310    libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m \
311    bus/mmc/mmcbus_if.m bus/mmc/mmcbr_if.m \
312    dev/virtual/virtio/virtio/virtio_bus_if.m \
313    dev/virtual/virtio/virtio/virtio_if.m
314
315.if defined(WANT_USB4BSD)
316MFILES+=bus/u4b/usb_if.m
317.else
318MFILES+=bus/usb/usb_if.m
319.endif
320
321.for _srcsrc in ${MFILES}
322.for _ext in c h
323.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
324CLEANFILES+=	${_src}
325.if !target(${_src})
326${_src}: @
327.if exists(@)
328${_src}: @/tools/makeobjops.awk @/${_srcsrc}
329.endif
330
331.if defined(BUILDING_WITH_KERNEL) && \
332    exists(${BUILDING_WITH_KERNEL}/${_src})
333.else
334	awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
335.endif
336.endif
337.endfor # _src
338.endfor # _ext
339.endfor # _srcsrc
340
341#.for _ext in c h
342#.if ${SRCS:Mvnode_if.${_ext}} != ""
343#CLEANFILES+=	vnode_if.${_ext}
344#vnode_if.${_ext}: @
345#.if exists(@)
346#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src
347#.endif
348#	awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src
349#.endif
350#.endfor
351
352.if !empty(SRCS:Massym.s)
353CLEANFILES+=	assym.s genassym.o
354assym.s: genassym.o
355.if defined(BUILDING_WITH_KERNEL)
356genassym.o: opt_global.h
357.endif
358.if !exists(@)
359assym.s: @
360.else
361assym.s: @/kern/genassym.sh
362.endif
363	sh @/kern/genassym.sh genassym.o > ${.TARGET}
364.if exists(@)
365genassym.o: @/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
366.endif
367genassym.o: @ ${SRCS:Mopt_*.h}
368	${CC} -c ${CFLAGS:N-fno-common:N-mcmodel=small} ${WERROR} \
369	@/platform/${MACHINE_PLATFORM}/${MACHINE_ARCH}/genassym.c
370.endif
371
372regress:
373
374.include <bsd.dep.mk>
375
376.if !exists(${DEPENDFILE})
377${OBJS}: ${SRCS:M*.h}
378.endif
379
380.include <bsd.obj.mk>
381.include "bsd.kern.mk"
382
383# Behaves like MODULE_OVERRIDE
384.if defined(KLD_DEPS)
385all: _kdeps_all
386_kdeps_all: @
387.for _mdep in ${KLD_DEPS}
388	cd ${SYSDIR}/${_mdep} && make all
389.endfor
390depend: _kdeps_depend
391_kdeps_depend: @
392.for _mdep in ${KLD_DEPS}
393	cd ${SYSDIR}/${_mdep} && make depend
394.endfor
395install: _kdeps_install
396_kdeps_install: @
397.for _mdep in ${KLD_DEPS}
398	cd ${SYSDIR}/${_mdep} && make install
399.endfor
400clean: _kdeps_clean
401_kdeps_clean: @
402.for _mdep in ${KLD_DEPS}
403	cd ${SYSDIR}/${_mdep} && make clean
404.endfor
405.endif
406