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[dragonfly.git] / sys / conf / kmod.mk
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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 $
676159d4 3# $DragonFly: src/sys/conf/kmod.mk,v 1.35 2008/08/27 16:35:19 hasso Exp $
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4#
5# The include file <bsd.kmod.mk> handles installing Kernel Loadable Device
6# drivers (KLD's).
7#
8#
9# +++ variables +++
10#
11# CLEANFILES Additional files to remove for the clean and cleandir targets.
12#
13# KMOD The name of the kernel module to build.
14#
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15# KMODDIR Base path for kernel modules (see kld(4)).
16# [${DESTKERNDIR}/${DESTMODULESNAME}]
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17#
18# KMODOWN KLD owner. [${BINOWN}]
19#
20# KMODGRP KLD group. [${BINGRP}]
21#
22# KMODMODE KLD mode. [${BINMODE}]
23#
24# KMODLOAD Command to load a kernel module [/sbin/kldload]
25#
26# KMODUNLOAD Command to unload a kernel module [/sbin/kldunload]
27#
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28# PROG The name of the kernel module to build.
29# If not supplied, ${KMOD}.o is used.
30#
31# SRCS List of source files
32#
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33# DESTKERNDIR Change the tree where the kernel and the modules get
34# installed. [/boot] ${DESTDIR} changes the root of the tree
35# pointed to by ${DESTKERNDIR}.
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36#
37# MFILES Optionally a list of interfaces used by the module.
38# This file contains a default list of interfaces.
39#
40# +++ targets +++
41#
42# install:
43# install the kernel module and its manual pages; if the Makefile
44# does not itself define the target install, the targets
45# beforeinstall and afterinstall may also be used to cause
46# actions immediately before and after the install target
47# is executed.
48#
49# load:
50# Load KLD.
51#
52# unload:
53# Unload KLD.
54#
55# bsd.obj.mk: clean, cleandir and obj
56# bsd.dep.mk: cleandepend, depend and tags
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57#
58
c2c83759 59OBJCOPY?= objcopy
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60KMODLOAD?= /sbin/kldload
61KMODUNLOAD?= /sbin/kldunload
62
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63KMODDIR?= ${DESTKERNDIR}/${DESTMODULESNAME}
64KMODOWN?= ${BINOWN}
65KMODGRP?= ${BINGRP}
66KMODMODE?= ${BINMODE}
67
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68.include <bsd.init.mk>
69
70.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
71
72CFLAGS+= ${COPTS} -D_KERNEL ${CWARNFLAGS}
73CFLAGS+= -DKLD_MODULE
74
e5d18209 75# Don't use any standard include directories.
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76# Since -nostdinc will annull any previous -I paths, we repeat all
77# such paths after -nostdinc. It doesn't seem to be possible to
78# add to the front of `make' variable.
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79#
80# Don't use -I- anymore, source-relative includes are desireable.
984263bc 81_ICFLAGS:= ${CFLAGS:M-I*}
e5d18209 82CFLAGS+= -nostdinc ${_ICFLAGS}
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83
84# Add -I paths for system headers. Individual KLD makefiles don't
85# need any -I paths for this. Similar defaults for .PATH can't be
86# set because there are no standard paths for non-headers.
39619464 87#
f8334305 88# NOTE! Traditional architecture paths such as <i386/i386/blah.h>
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89# must run through the "machine_base" softlink using
90# <machine_base/i386/blah.h>. An explicit cross-architecture path must
91# operate relative to /usr/src/sys using e.g. <arch/i386/i386/blah.h>
39619464 92#
f8334305 93CFLAGS+= -I. -I@
984263bc 94
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95# Add -I paths for headers in the kernel build directory
96#
97.if defined(BUILDING_WITH_KERNEL)
98CFLAGS+= -I${BUILDING_WITH_KERNEL}
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99_MACHINE_FWD= ${BUILDING_WITH_KERNEL}
100.else
101.if defined(MAKEOBJDIRPREFIX)
102_MACHINE_FWD= ${MAKEOBJDIRPREFIX}/${SYSDIR}/forwarder_${MACHINE_ARCH}
103.else
104_MACHINE_FWD= ${.OBJDIR}/forwarder_${MACHINE_ARCH}
105CLEANDIRS+= ${_MACHINE_FWD}
106.endif
a9295349 107.endif
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108CFLAGS+= -I${_MACHINE_FWD}/include
109.include "kern.fwd.mk"
a9295349 110
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111# Add a -I path to standard headers like <stddef.h>. Use a relative
112# path to src/include if possible. If the @ symlink hasn't been built
113# yet, then we can't tell if the relative path exists. Add both the
114# potential relative path and an absolute path in that case.
115.if exists(@)
116.if exists(@/../include)
117CFLAGS+= -I@/../include
118.else
119CFLAGS+= -I${DESTDIR}/usr/include
120.endif
121.else # !@
122CFLAGS+= -I@/../include -I${DESTDIR}/usr/include
123.endif # @
124
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125.if defined(BUILDING_WITH_KERNEL) && \
126 exists(${BUILDING_WITH_KERNEL}/opt_global.h)
127CFLAGS+= -include ${BUILDING_WITH_KERNEL}/opt_global.h
128.endif
129
984263bc 130CFLAGS+= ${DEBUG_FLAGS}
b2b3ffcd 131.if ${MACHINE_ARCH} == x86_64
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132CFLAGS+= -fno-omit-frame-pointer
133.endif
984263bc 134
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135.include <bsd.patch.mk>
136
145b818c 137OBJS+= ${SRCS:N*.h:N*.patch:R:S/$/.o/g}
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138
139.if !defined(PROG)
140PROG= ${KMOD}.ko
141.endif
142
b2b3ffcd 143.if ${MACHINE_ARCH} != x86_64
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144${PROG}: ${KMOD}.kld
145 ${LD} -Bshareable ${LDFLAGS} -o ${.TARGET} ${KMOD}.kld
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146.endif
147
b2b3ffcd 148.if ${MACHINE_ARCH} != x86_64
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149${KMOD}.kld: ${OBJS}
150 ${LD} ${LDFLAGS} -r -o ${.TARGET} ${OBJS}
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151.else
152${PROG}: ${OBJS}
99ab4213 153 ${LD} ${LDFLAGS} -r -d -o ${.TARGET} ${OBJS}
8d565796 154.endif
984263bc 155
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156# links to platform and cpu architecture include files. If we are
157# building with a kernel these already exist in the kernel build dir.
158# '@' is a link to the system source.
159.if defined(BUILDING_WITH_KERNEL)
160_ILINKS=@
161.else
162_ILINKS=@ machine_base machine cpu_base cpu
163.endif
164
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165.if defined(ARCH)
166_ILINKS+=${ARCH}
167.endif
984263bc 168
82f3e8c4 169all: objwarn fwheaders ${PROG}
984263bc 170
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171beforedepend: fwheaders
172fwheaders: ${_ILINKS} ${FORWARD_HEADERS_COOKIE}
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173# Ensure that the links exist without depending on it when it exists which
174# causes all the modules to be rebuilt when the directory pointed to changes.
175.for _link in ${_ILINKS}
176.if !exists(${.OBJDIR}/${_link})
177${OBJS}: ${_link}
178.endif
179.endfor
180
181# Search for kernel source tree in standard places.
932f49b9 182.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. /sys /usr/src/sys
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183.if !defined(SYSDIR) && exists(${_dir}/kern/)
184SYSDIR= ${_dir}
185.endif
186.endfor
187.if !defined(SYSDIR) || !exists(${SYSDIR}/kern)
188.error "can't find kernel source tree"
189.endif
edbe133c 190S= ${SYSDIR}
984263bc 191
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192# path=`(cd $$path && /bin/pwd)` ;
193
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194${_ILINKS}:
195 @case ${.TARGET} in \
196 machine) \
0955fd91 197 path=${SYSDIR}/platform/${MACHINE_PLATFORM}/include ;; \
a9295349 198 machine_base) \
0955fd91 199 path=${SYSDIR}/platform/${MACHINE_PLATFORM} ;; \
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200 cpu) \
201 path=${SYSDIR}/cpu/${MACHINE_ARCH}/include ;; \
202 cpu_base) \
203 path=${SYSDIR}/cpu/${MACHINE_ARCH} ;; \
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204 @) \
205 path=${SYSDIR} ;; \
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206 arch_*) \
207 path=${.CURDIR}/${MACHINE_ARCH} ;; \
984263bc 208 esac ; \
984263bc 209 ${ECHO} ${.TARGET} "->" $$path ; \
062db326 210 ${LN} -s $$path ${.TARGET}
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211
212CLEANFILES+= ${PROG} ${KMOD}.kld ${OBJS} ${_ILINKS} symb.tmp tmp.o
213
214.if !target(install)
215
216_INSTALLFLAGS:= ${INSTALLFLAGS}
217.for ie in ${INSTALLFLAGS_EDIT}
218_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
219.endfor
220
221.if !target(realinstall)
222realinstall: _kmodinstall
223.ORDER: beforeinstall _kmodinstall
224_kmodinstall:
c2c83759 225.if defined(INSTALLSTRIPPEDMODULES)
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226 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
227 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
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228 ${OBJCOPY} --strip-debug ${DESTDIR}${KMODDIR}/${PROG}
229.else
230 ${INSTALL} -o ${KMODOWN} -g ${KMODGRP} -m ${KMODMODE} \
231 ${_INSTALLFLAGS} ${PROG} ${DESTDIR}${KMODDIR}
232.endif
905fbe6b 233.endif # !target(realinstall)
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234
235.include <bsd.links.mk>
236
905fbe6b 237.endif # !target(install)
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238
239.if !target(load)
240load: ${PROG}
241 ${KMODLOAD} -v ./${KMOD}.ko
242.endif
243
244.if !target(unload)
245unload:
246 ${KMODUNLOAD} -v ${KMOD}
247.endif
248
1b29ad66 249.for _src in ${SRCS:Mopt_*.h} ${SRCS:Muse_*.h}
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250CLEANFILES+= ${_src}
251.if !target(${_src})
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252.if defined(BUILDING_WITH_KERNEL) && exists(${BUILDING_WITH_KERNEL}/${_src})
253${_src}: ${BUILDING_WITH_KERNEL}/${_src}
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254# we do not have to copy these files any more, the kernel build
255# directory is included in the path now.
256# cp ${BUILDING_WITH_KERNEL}/${_src} ${.TARGET}
1b29ad66 257.else
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258${_src}:
259 touch ${.TARGET}
1b29ad66 260.endif # BUILDING_WITH_KERNEL
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261.endif
262.endfor
263
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264MFILES?= kern/bus_if.m kern/device_if.m bus/iicbus/iicbb_if.m \
265 bus/iicbus/iicbus_if.m bus/isa/isa_if.m dev/netif/mii_layer/miibus_if.m \
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266 bus/pccard/card_if.m bus/pccard/power_if.m bus/pci/pci_if.m \
267 bus/pci/pcib_if.m \
1f2de5d4 268 bus/ppbus/ppbus_if.m bus/smbus/smbus_if.m bus/usb/usb_if.m \
676159d4 269 dev/acpica5/acpi_if.m dev/disk/nata/ata_if.m \
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270 dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \
271 dev/sound/pcm/feeder_if.m dev/sound/pcm/mixer_if.m \
42ee1e6b 272 libiconv/iconv_converter_if.m dev/agp/agp_if.m opencrypto/cryptodev_if.m
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273
274.for _srcsrc in ${MFILES}
275.for _ext in c h
276.for _src in ${SRCS:M${_srcsrc:T:R}.${_ext}}
277CLEANFILES+= ${_src}
278.if !target(${_src})
279${_src}: @
280.if exists(@)
be59a52f 281${_src}: @/tools/makeobjops.awk @/${_srcsrc}
984263bc 282.endif
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283
284.if defined(BUILDING_WITH_KERNEL) && \
285 exists(${BUILDING_WITH_KERNEL}/${_src})
286.else
145a9824 287 awk -f @/tools/makeobjops.awk -- -${_ext} @/${_srcsrc}
984263bc 288.endif
a9295349 289.endif
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290.endfor # _src
291.endfor # _ext
292.endfor # _srcsrc
293
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294#.for _ext in c h
295#.if ${SRCS:Mvnode_if.${_ext}} != ""
296#CLEANFILES+= vnode_if.${_ext}
297#vnode_if.${_ext}: @
298#.if exists(@)
299#vnode_if.${_ext}: @/tools/vnode_if.awk @/kern/vnode_if.src
300#.endif
301# awk -f @/tools/vnode_if.awk -- -${_ext} @/kern/vnode_if.src
302#.endif
303#.endfor
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304
305regress:
306
307.include <bsd.dep.mk>
308
309.if !exists(${DEPENDFILE})
310${OBJS}: ${SRCS:M*.h}
311.endif
312
313.include <bsd.obj.mk>
5e9c1061 314.include "bsd.kern.mk"
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315
316# Behaves like MODULE_OVERRIDE
317.if defined(KLD_DEPS)
318all: _kdeps_all
319_kdeps_all: @
320.for _mdep in ${KLD_DEPS}
321 cd ${SYSDIR}/${_mdep} && make all
322.endfor
323depend: _kdeps_depend
324_kdeps_depend: @
325.for _mdep in ${KLD_DEPS}
326 cd ${SYSDIR}/${_mdep} && make depend
327.endfor
328install: _kdeps_install
329_kdeps_install: @
330.for _mdep in ${KLD_DEPS}
331 cd ${SYSDIR}/${_mdep} && make install
332.endfor
333clean: _kdeps_clean
334_kdeps_clean: @
335.for _mdep in ${KLD_DEPS}
336 cd ${SYSDIR}/${_mdep} && make clean
337.endfor
338.endif