1# 2# This Makefile covers the bottom part of the MI build instructions 3# 4 5.PHONY: all modules 6 7all: ${KERNEL}.stripped 8 9_MACHINE_FWD= ${.OBJDIR} 10.include "$S/conf/kern.fwd.mk" 11.include "$S/conf/kern.paths.mk" 12 13depend kernel-depend modules-depend: ${FORWARD_HEADERS_COOKIE} 14 15depend: kernel-depend 16clean: kernel-clean 17cleandepend: kernel-cleandepend 18tags: kernel-tags 19install: kernel-install 20reinstall: kernel-reinstall 21 22# Often developers just want the kernel, don't let 23# -j builds leak into the modules until the kernel is done. 24# 25.ORDER: ${KERNEL}.stripped modules 26 27${KERNEL}.stripped: ${FULLKERNEL} 28 ${OBJCOPY} --strip-debug ${FULLKERNEL} ${KERNEL}.stripped 29 30${FULLKERNEL}: ${SYSTEM_DEP} vers.o 31 @rm -f ${.TARGET} 32 @echo linking ${.TARGET} 33 ${SYSTEM_LD} 34 ${SYSTEM_LD_TAIL} 35 36.if !exists(.depend) 37${SYSTEM_OBJS}: ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/} 38.endif 39 40.for mfile in ${MFILES} 41${mfile:T:S/.m$/.h/}: ${mfile} 42 awk -f $S/tools/makeobjops.awk -- -h ${mfile} 43.endfor 44 45kernel-clean: 46 rm -f *.o *.so *.So *.ko *.s eddep errs \ 47 ${KERNEL} ${KERNEL}.debug ${KERNEL}.nodebug ${KERNEL}.stripped \ 48 linterrs setdef[01].c setdefs.h tags \ 49 vers.c vnode_if.c vnode_if.h \ 50 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \ 51 ${CLEAN} 52 53#lint: /tmp 54# @lint -hbxn -DGENERIC -Dvolatile= ${COPTS} \ 55# $S/platform/$P/$M/Locore.c ${CFILES} ioconf.c | \ 56# grep -v 'struct/union .* never defined' | \ 57# grep -v 'possible pointer alignment problem' 58 59locore.o: $S/platform/$P/$M/locore.s assym.s 60 ${NORMAL_S} 61 62# This is a hack. BFD "optimizes" away dynamic mode if there are no 63# dynamic references. We could probably do a '-Bforcedynamic' mode like 64# in the a.out ld. For now, this works. 65hack.So: Makefile 66 touch hack.c 67 ${CC} -shared -nostdlib hack.c -o hack.So 68 rm -f hack.c 69 70# this rule stops ./assym.s in .depend from causing problems 71./assym.s: assym.s 72 73assym.s: $S/kern/genassym.sh genassym.o 74 sh $S/kern/genassym.sh genassym.o > ${.TARGET} 75 76genassym.o: $S/platform/$P/$M/genassym.c ${FORWARD_HEADERS_COOKIE} \ 77 ${MFILES:T:S/.m$/.h/} 78 ${CC} -c ${CFLAGS:N-fno-common:N-mcmodel=small} ${WERROR} \ 79 $S/platform/$P/$M/genassym.c 80 81${SYSTEM_OBJS} genassym.o vers.o: opt_global.h 82 83# The argument list can be very long, use make -V and xargs to 84# pass it to mkdep. 85kernel-depend: assym.s ${BEFORE_DEPEND} \ 86 ${CFILES} ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \ 87 ${SYSTEM_SFILES} ${MFILES:T:S/.m$/.h/} 88 rm -f .newdep 89 ${MAKE} -V CFILES -V SYSTEM_CFILES -V GEN_CFILES | xargs \ 90 mkdep -a -f .newdep ${CFLAGS} 91 ${MAKE} -V SFILES -V SYSTEM_SFILES | xargs \ 92 env MKDEP_CPP="${CC} -E" mkdep -a -f .newdep ${ASM_CFLAGS} 93 rm -f .depend 94 mv -f .newdep .depend 95 96kernel-cleandepend: 97 rm -f .depend 98 99kernel-tags: 100 @[ -f .depend ] || { echo "you must make depend first"; /usr/bin/false; } 101 sh $S/conf/systags.sh 102 rm -f tags1 103 sed -e 's, ../, ,' tags > tags1 104 105# Note: when moving the existing kernel to .old, it is by default stripped 106# so we do not have two full debug environments sitting in / eating up space. 107# 108# Also note the .old might be a file and not a directory, so we have to 109# remove it first. 110# 111kernel-install: kernel-installable 112 @if [ ! -f ${SELECTEDKERNEL} ]; then \ 113 echo "You must build a kernel first."; \ 114 /usr/bin/false; \ 115 fi 116 @if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \ 117 rm -f ${DESTDIR}${DESTKERNDIR}.old; \ 118 fi 119 mkdir -p ${DESTDIR}${DESTKERNDIR}.old 120.if exists(${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME}) 121.ifndef NOFSCHG 122 -chflags noschg ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 123.endif 124. ifdef NO_KERNEL_OLD_STRIP 125 cp -p ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} ${DESTDIR}${DESTKERNDIR}.old/${DESTKERNNAME} 126. else 127 ${OBJCOPY} --strip-debug ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} ${DESTDIR}${DESTKERNDIR}.old/${DESTKERNNAME} 128. endif 129.endif 130 @if [ -f ${DESTDIR}${DESTKERNDIR} ]; then \ 131 chflags noschg ${DESTDIR}${DESTKERNDIR}; \ 132 rm -f ${DESTDIR}${DESTKERNDIR}; \ 133 fi 134 mkdir -p ${DESTDIR}${DESTKERNDIR} 135.ifdef NOFSCHG 136 ${INSTALL} -m 555 -o root -g wheel \ 137 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 138.else 139 ${INSTALL} -m 555 -o root -g wheel -fschg \ 140 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 141.endif 142 143kernel-reinstall: kernel-installable 144 mkdir -p ${DESTDIR}${DESTKERNDIR} 145.ifdef NOFSCHG 146 ${INSTALL} -m 555 -o root -g wheel \ 147 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 148.else 149 ${INSTALL} -m 555 -o root -g wheel -fschg \ 150 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 151.endif 152 153kernel-installable: 154 @if [ -f ${DESTDIR}/${DESTKERNNAME} ]; then \ 155 echo "You need to make buildworld, installworld, and upgrade"; \ 156 echo "before you can install a new kernel, because the"; \ 157 echo "kernel and modules have moved to /boot"; \ 158 /usr/bin/false; \ 159 fi 160# Skip this step for vkernels 161.if ${MACHINE_PLATFORM} != vkernel64 162 @if [ ! -f ${DESTDIR}/boot/dloader.rc ]; then \ 163 echo "You need to install a new ${DESTDIR}/boot before you"; \ 164 echo "can install a new kernel, kernels are now installed"; \ 165 echo "into a subdirectory along with their modules."; \ 166 echo "You can do this with a buildworld / installworld"; \ 167 echo "sequence."; \ 168 /usr/bin/false; \ 169 fi 170.endif 171 172.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) 173all: modules 174depend: modules-depend 175clean: modules-clean 176cleandepend: modules-cleandepend 177cleandir: modules-cleandir 178tags: modules-tags 179install: modules-install 180reinstall: modules-reinstall 181.endif 182 183modules: 184 @mkdir -p ${.OBJDIR} 185 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules obj ; \ 186 env ${MKMODULESENV} ${MAKE} -f Makefile.modules all 187 188modules-depend: 189 @mkdir -p ${.OBJDIR} 190 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules obj ; \ 191 env ${MKMODULESENV} ${MAKE} -f Makefile.modules depend 192 193modules-clean: 194 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules clean 195 196modules-cleandepend: 197 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules cleandepend 198 199# XXX huh? 200#modules-clobber: modules-clean 201# rm -rf ${MKMODULESENV} 202 203modules-cleandir: 204 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules cleandir 205 206modules-tags: 207 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules tags 208 209# Note: when moving the existing modules to .old, they are by default stripped 210# so we do not have two full debug environments sitting in / eating up space. 211# 212# We may have to remove deprecated kernel.old files before we can create 213# the kernel.old directory. 214# 215modules-install: kernel-installable 216.if !defined(NO_MODULES_OLD) 217. ifdef NO_KERNEL_OLD_STRIP 218 set -- ${DESTDIR}${DESTKERNDIR}/*.ko; \ 219 if [ -f "$$1" ]; then \ 220 if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \ 221 rm -f ${DESTDIR}${DESTKERNDIR}.old; \ 222 fi; \ 223 mkdir -p ${DESTDIR}${DESTKERNDIR}.old; \ 224 for file; do \ 225 cp -p $$file ${DESTDIR}${DESTKERNDIR}.old; \ 226 done; \ 227 fi 228. else 229 set -- ${DESTDIR}${DESTKERNDIR}/*.ko; \ 230 if [ -f "$$1" ]; then \ 231 if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \ 232 rm -f ${DESTDIR}${DESTKERNDIR}.old; \ 233 fi; \ 234 mkdir -p ${DESTDIR}${DESTKERNDIR}.old; \ 235 for file; do \ 236 ${OBJCOPY} --strip-debug $$file ${DESTDIR}${DESTKERNDIR}.old/$${file##*/}; \ 237 done; \ 238 fi 239. endif 240 if [ -f ${DESTDIR}${DESTKERNDIR}/initrd.img ]; then \ 241 cp -p ${DESTDIR}${DESTKERNDIR}/initrd.img ${DESTDIR}${DESTKERNDIR}.old; \ 242 fi 243 if [ -f ${DESTDIR}${DESTKERNDIR}/initrd.img.gz ]; then \ 244 cp -p ${DESTDIR}${DESTKERNDIR}/initrd.img.gz ${DESTDIR}${DESTKERNDIR}.old; \ 245 fi 246.endif 247.if exists(${DESTDIR}/${OLDMODULESDIR}) 248 rm -rf ${DESTDIR}/${OLDMODULESDIR} # remove deprecated 249.endif 250 mkdir -p ${DESTDIR}${DESTKERNDIR} # Ensure that the modules directory exists! 251 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules install 252 253modules-reinstall: 254 mkdir -p ${DESTDIR}/${DESTKERNDIR} # Ensure that the modules directory exists! 255 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules install 256 257config.o: 258 ${NORMAL_C} ${WERROR} 259 260ioconf.o: 261 ${NORMAL_C} ${WERROR} 262 263vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 264 sh $S/conf/newvers.sh $S/.. 265 266# XXX strictly, everything depends on Makefile because changes to ${PROF} 267# only appear there, but we don't handle that. 268vers.o: 269 ${NORMAL_C} ${WERROR} 270 271.include "$S/conf/bsd.kern.mk" 272