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 makelinks 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 99links: 100 egrep '#if' ${CFILES} | sed -f $S/conf/defines | \ 101 sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink 102 ${MAKE} -V CFILES | tr -s ' ' '\12' | sed 's/\.c/.o/' | \ 103 sort -u | comm -23 - dontlink | \ 104 sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks 105 sh makelinks && rm -f dontlink 106 107kernel-tags: 108 @[ -f .depend ] || { echo "you must make depend first"; /usr/bin/false; } 109 sh $S/conf/systags.sh 110 rm -f tags1 111 sed -e 's, ../, ,' tags > tags1 112 113# Note: when moving the existing kernel to .old, it is by default stripped 114# so we do not have two full debug environments sitting in / eating up space. 115# 116# Also note the .old might be a file and not a directory, so we have to 117# remove it first. 118# 119kernel-install: kernel-installable 120 @if [ ! -f ${SELECTEDKERNEL} ]; then \ 121 echo "You must build a kernel first."; \ 122 /usr/bin/false; \ 123 fi 124 @if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \ 125 rm -f ${DESTDIR}${DESTKERNDIR}.old; \ 126 fi 127 mkdir -p ${DESTDIR}${DESTKERNDIR}.old 128.if exists(${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME}) 129.ifndef NOFSCHG 130 -chflags noschg ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 131.endif 132. ifdef NO_KERNEL_OLD_STRIP 133 cp -p ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} ${DESTDIR}${DESTKERNDIR}.old/${DESTKERNNAME} 134. else 135 ${OBJCOPY} --strip-debug ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} ${DESTDIR}${DESTKERNDIR}.old/${DESTKERNNAME} 136. endif 137.endif 138 @if [ -f ${DESTDIR}${DESTKERNDIR} ]; then \ 139 chflags noschg ${DESTDIR}${DESTKERNDIR}; \ 140 rm -f ${DESTDIR}${DESTKERNDIR}; \ 141 fi 142 mkdir -p ${DESTDIR}${DESTKERNDIR} 143.ifdef NOFSCHG 144 ${INSTALL} -m 555 -o root -g wheel \ 145 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 146.else 147 ${INSTALL} -m 555 -o root -g wheel -fschg \ 148 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 149.endif 150 151kernel-reinstall: kernel-installable 152 mkdir -p ${DESTDIR}${DESTKERNDIR} 153.ifdef NOFSCHG 154 ${INSTALL} -m 555 -o root -g wheel \ 155 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 156.else 157 ${INSTALL} -m 555 -o root -g wheel -fschg \ 158 ${SELECTEDKERNEL} ${DESTDIR}${DESTKERNDIR}/${DESTKERNNAME} 159.endif 160 161kernel-installable: 162 @if [ -f ${DESTDIR}/${DESTKERNNAME} ]; then \ 163 echo "You need to make buildworld, installworld, and upgrade"; \ 164 echo "before you can install a new kernel, because the"; \ 165 echo "kernel and modules have moved to /boot"; \ 166 /usr/bin/false; \ 167 fi 168# Skip this step for vkernels 169.if ${MACHINE_PLATFORM} != vkernel && ${MACHINE_PLATFORM} != vkernel64 170 @if [ ! -f ${DESTDIR}/boot/dloader.rc ]; then \ 171 echo "You need to install a new ${DESTDIR}/boot before you"; \ 172 echo "can install a new kernel, kernels are now installed"; \ 173 echo "into a subdirectory along with their modules."; \ 174 echo "You can do this with a buildworld / installworld"; \ 175 echo "sequence."; \ 176 /usr/bin/false; \ 177 fi 178.endif 179 180.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) 181all: modules 182depend: modules-depend 183clean: modules-clean 184cleandepend: modules-cleandepend 185cleandir: modules-cleandir 186tags: modules-tags 187install: modules-install 188reinstall: modules-reinstall 189.endif 190 191modules: 192 @mkdir -p ${.OBJDIR} 193 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules obj ; \ 194 env ${MKMODULESENV} ${MAKE} -f Makefile.modules all 195 196modules-depend: 197 @mkdir -p ${.OBJDIR} 198 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules obj ; \ 199 env ${MKMODULESENV} ${MAKE} -f Makefile.modules depend 200 201modules-clean: 202 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules clean 203 204modules-cleandepend: 205 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules cleandepend 206 207# XXX huh? 208#modules-clobber: modules-clean 209# rm -rf ${MKMODULESENV} 210 211modules-cleandir: 212 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules cleandir 213 214modules-tags: 215 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules tags 216 217# Note: when moving the existing modules to .old, they are by default stripped 218# so we do not have two full debug environments sitting in / eating up space. 219# 220# We may have to remove deprecated kernel.old files before we can create 221# the kernel.old directory. 222# 223modules-install: kernel-installable 224.if !defined(NO_MODULES_OLD) 225. ifdef NO_KERNEL_OLD_STRIP 226 set -- ${DESTDIR}${DESTKERNDIR}/*.ko; \ 227 if [ -f "$$1" ]; then \ 228 if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \ 229 rm -f ${DESTDIR}${DESTKERNDIR}.old; \ 230 fi; \ 231 mkdir -p ${DESTDIR}${DESTKERNDIR}.old; \ 232 for file; do \ 233 cp -p $$file ${DESTDIR}${DESTKERNDIR}.old; \ 234 done; \ 235 fi 236. else 237 set -- ${DESTDIR}${DESTKERNDIR}/*.ko; \ 238 if [ -f "$$1" ]; then \ 239 if [ -f ${DESTDIR}${DESTKERNDIR}.old ]; then \ 240 rm -f ${DESTDIR}${DESTKERNDIR}.old; \ 241 fi; \ 242 mkdir -p ${DESTDIR}${DESTKERNDIR}.old; \ 243 for file; do \ 244 ${OBJCOPY} --strip-debug $$file ${DESTDIR}${DESTKERNDIR}.old/$${file##*/}; \ 245 done; \ 246 fi 247. endif 248 if [ -f ${DESTDIR}${DESTKERNDIR}/initrd.img ]; then \ 249 cp -p ${DESTDIR}${DESTKERNDIR}/initrd.img ${DESTDIR}${DESTKERNDIR}.old; \ 250 fi 251.endif 252.if exists(${DESTDIR}/${OLDMODULESDIR}) 253 rm -rf ${DESTDIR}/${OLDMODULESDIR} # remove deprecated 254.endif 255 mkdir -p ${DESTDIR}${DESTKERNDIR} # Ensure that the modules directory exists! 256 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules install 257 258modules-reinstall: 259 mkdir -p ${DESTDIR}/${DESTKERNDIR} # Ensure that the modules directory exists! 260 cd $S ; env ${MKMODULESENV} ${MAKE} -f Makefile.modules install 261 262config.o: 263 ${NORMAL_C} ${WERROR} 264 265ioconf.o: 266 ${NORMAL_C} ${WERROR} 267 268vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 269 sh $S/conf/newvers.sh $S/.. 270 271# XXX strictly, everything depends on Makefile because changes to ${PROF} 272# only appear there, but we don't handle that. 273vers.o: 274 ${NORMAL_C} ${WERROR} 275 276.include "$S/conf/bsd.kern.mk" 277