1# $FreeBSD$ 2 3# Part of a unified Makefile for building kernels. This part includes all 4# the definitions that need to be after all the % directives except %RULES 5# and ones that act like they are part of %RULES. 6# 7# Most make variables should not be defined in this file. Instead, they 8# should be defined in the kern.pre.mk so that port makefiles can 9# override or augment them. 10 11# In case the config had a makeoptions DESTDIR... 12.if defined(DESTDIR) 13MKMODULESENV+= DESTDIR="${DESTDIR}" 14.endif 15SYSDIR?= ${S:C;^[^/];${.CURDIR}/&;} 16MKMODULESENV+= KERNBUILDDIR="${.CURDIR}" SYSDIR="${SYSDIR}" 17 18.if defined(CONF_CFLAGS) 19MKMODULESENV+= CONF_CFLAGS="${CONF_CFLAGS}" 20.endif 21 22.if defined(WITH_CTF) 23MKMODULESENV+= WITH_CTF="${WITH_CTF}" 24.endif 25 26# Allow overriding the kernel debug directory, so kernel and user debug may be 27# installed in different directories. Setting it to "" restores the historical 28# behavior of installing debug files in the kernel directory. 29KERN_DEBUGDIR?= ${DEBUGDIR} 30 31.MAIN: all 32 33.for target in all clean cleandepend cleandir clobber depend install \ 34 obj reinstall tags 35${target}: kernel-${target} 36.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 37${target}: modules-${target} 38modules-${target}: 39 cd $S/modules; ${MKMODULESENV} ${MAKE} \ 40 ${target:S/^reinstall$/install/:S/^clobber$/cleandir/} 41.endif 42.endfor 43 44# Handle ports (as defined by the user) that build kernel modules 45.if !defined(NO_MODULES) && defined(PORTS_MODULES) 46# 47# The ports tree needs some environment variables defined to match the new kernel 48# 49# Ports search for some dependencies in PATH, so add the location of the installed files 50LOCALBASE?= /usr/local 51# SRC_BASE is how the ports tree refers to the location of the base source files 52.if !defined(SRC_BASE) 53SRC_BASE!= realpath "${SYSDIR:H}/" 54.endif 55# OSVERSION is used by some ports to determine build options 56.if !defined(OSRELDATE) 57# Definition copied from src/Makefile.inc1 58OSRELDATE!= awk '/^\#define[[:space:]]*__FreeBSD_version/ { print $$3 }' \ 59 ${MAKEOBJDIRPREFIX}${SRC_BASE}/include/osreldate.h 60.endif 61# Keep the related ports builds in the obj directory so that they are only rebuilt once per kernel build 62WRKDIRPREFIX?= ${MAKEOBJDIRPREFIX}${SRC_BASE}/sys/${KERNCONF} 63PORTSMODULESENV=\ 64 PATH=${PATH}:${LOCALBASE}/bin:${LOCALBASE}/sbin \ 65 SRC_BASE=${SRC_BASE} \ 66 OSVERSION=${OSRELDATE} \ 67 WRKDIRPREFIX=${WRKDIRPREFIX} 68 69# The WRKDIR needs to be cleaned before building, and trying to change the target 70# with a :C pattern below results in install -> instclean 71all: 72.for __i in ${PORTS_MODULES} 73 @${ECHO} "===> Ports module ${__i} (all)" 74 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B clean all 75.endfor 76 77.for __target in install reinstall clean 78${__target}: ports-${__target} 79ports-${__target}: 80.for __i in ${PORTS_MODULES} 81 @${ECHO} "===> Ports module ${__i} (${__target})" 82 cd $${PORTSDIR:-/usr/ports}/${__i}; ${PORTSMODULESENV} ${MAKE} -B ${__target:C/install/deinstall reinstall/:C/reinstall/deinstall reinstall/} 83.endfor 84.endfor 85.endif 86 87.ORDER: kernel-install modules-install 88 89kernel-all: ${KERNEL_KO} ${KERNEL_EXTRA} 90 91kernel-cleandir: kernel-clean kernel-cleandepend 92 93kernel-clobber: 94 find . -maxdepth 1 ! -type d ! -name version -delete 95 96kernel-obj: 97 98.if !defined(MODULES_WITH_WORLD) && !defined(NO_MODULES) && exists($S/modules) 99modules: modules-all 100 101.if !defined(NO_MODULES_OBJ) 102modules-all modules-depend: modules-obj 103.endif 104.endif 105 106.if !defined(DEBUG) 107FULLKERNEL= ${KERNEL_KO} 108.else 109FULLKERNEL= ${KERNEL_KO}.full 110${KERNEL_KO}: ${FULLKERNEL} ${KERNEL_KO}.debug 111 ${OBJCOPY} --strip-debug --add-gnu-debuglink=${KERNEL_KO}.debug \ 112 ${FULLKERNEL} ${.TARGET} 113${KERNEL_KO}.debug: ${FULLKERNEL} 114 ${OBJCOPY} --only-keep-debug ${FULLKERNEL} ${.TARGET} 115install.debug reinstall.debug: gdbinit 116 cd ${.CURDIR}; ${MAKE} ${.TARGET:R} 117 118# Install gdbinit files for kernel debugging. 119gdbinit: 120 grep -v '# XXX' ${S}/../tools/debugscripts/dot.gdbinit | \ 121 sed "s:MODPATH:${.OBJDIR}/modules:" > .gdbinit 122 cp ${S}/../tools/debugscripts/gdbinit.kernel ${.CURDIR} 123.if exists(${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH}) 124 cp ${S}/../tools/debugscripts/gdbinit.${MACHINE_CPUARCH} \ 125 ${.CURDIR}/gdbinit.machine 126.endif 127.endif 128 129${FULLKERNEL}: ${SYSTEM_DEP} vers.o 130 @rm -f ${.TARGET} 131 @echo linking ${.TARGET} 132 ${SYSTEM_LD} 133.if ${MK_CTF} != "no" 134 @echo ${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ... 135 @${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${SYSTEM_OBJS} vers.o 136.endif 137.if !defined(DEBUG) 138 ${OBJCOPY} --strip-debug ${.TARGET} 139.endif 140 ${SYSTEM_LD_TAIL} 141 142.if !exists(${.OBJDIR}/.depend) 143${SYSTEM_OBJS}: assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} ${MFILES:T:S/.m$/.h/} 144.endif 145 146LNFILES= ${CFILES:T:S/.c$/.ln/} 147 148.for mfile in ${MFILES} 149# XXX the low quality .m.o rules gnerated by config are normally used 150# instead of the .m.c rules here. 151${mfile:T:S/.m$/.c/}: ${mfile} 152 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -c 153${mfile:T:S/.m$/.h/}: ${mfile} 154 ${AWK} -f $S/tools/makeobjops.awk ${mfile} -h 155.endfor 156 157kernel-clean: 158 rm -f *.o *.so *.So *.ko *.s eddep errs \ 159 ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.debug \ 160 linterrs tags vers.c \ 161 vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \ 162 ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \ 163 ${CLEAN} 164 165lint: ${LNFILES} 166 ${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \ 167 tee -a linterrs 168 169# This is a hack. BFD "optimizes" away dynamic mode if there are no 170# dynamic references. We could probably do a '-Bforcedynamic' mode like 171# in the a.out ld. For now, this works. 172HACK_EXTRA_FLAGS?= -shared 173hack.So: Makefile 174 :> hack.c 175 ${CC} ${HACK_EXTRA_FLAGS} -nostdlib hack.c -o hack.So 176 rm -f hack.c 177 178# This rule stops ./assym.s in .depend from causing problems. 179./assym.s: assym.s 180 181assym.s: $S/kern/genassym.sh genassym.o 182 NM='${NM}' NMFLAGS='${NMFLAGS}' sh $S/kern/genassym.sh genassym.o > ${.TARGET} 183 184genassym.o: $S/$M/$M/genassym.c 185 ${CC} -c ${CFLAGS:N-fno-common} $S/$M/$M/genassym.c 186 187${SYSTEM_OBJS} genassym.o vers.o: opt_global.h 188 189# We have "special" -I include paths for zfs/dtrace files in 'depend'. 190CFILES_NOCDDL= ${CFILES:N*/cddl/*:N*fs/nfsclient/nfs_clkdtrace*} 191SFILES_NOCDDL= ${SFILES:N*/cddl/*} 192CFILES_CDDL= ${CFILES:M*/cddl/*} 193SFILES_CDDL= ${SFILES:M*/cddl/*} 194 195kernel-depend: .depend 196# The argument list can be very long, so use make -V and xargs to 197# pass it to mkdep. 198SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \ 199 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \ 200 ${MFILES:T:S/.m$/.h/} 201.depend: .PRECIOUS ${SRCS} 202 rm -f .newdep 203 ${MAKE} -V CFILES_NOCDDL -V SYSTEM_CFILES -V GEN_CFILES | \ 204 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${CFLAGS} 205 ${MAKE} -V CFILES_CDDL | \ 206 MKDEP_CPP="${CC} -E" CC="${CC}" xargs mkdep -a -f .newdep ${ZFS_CFLAGS} ${FBT_CFLAGS} ${DTRACE_CFLAGS} 207 ${MAKE} -V SFILES_NOCDDL | \ 208 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ASM_CFLAGS} 209 ${MAKE} -V SFILES_CDDL | \ 210 MKDEP_CPP="${CC} -E" xargs mkdep -a -f .newdep ${ZFS_ASM_CFLAGS} 211 rm -f .depend 212 mv .newdep .depend 213 214_ILINKS= machine 215.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 216_ILINKS+= ${MACHINE_CPUARCH} 217.endif 218.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 219_ILINKS+= x86 220.endif 221 222# Ensure that the link exists without depending on it when it exists. 223.for _link in ${_ILINKS} 224.if !exists(${.OBJDIR}/${_link}) 225${SRCS} ${CLEAN:M*.o}: ${_link} 226.endif 227.endfor 228 229${_ILINKS}: 230 @case ${.TARGET} in \ 231 machine) \ 232 path=${S}/${MACHINE}/include ;; \ 233 *) \ 234 path=${S}/${.TARGET}/include ;; \ 235 esac ; \ 236 ${ECHO} ${.TARGET} "->" $$path ; \ 237 ln -s $$path ${.TARGET} 238 239# .depend needs include links so we remove them only together. 240kernel-cleandepend: 241 rm -f .depend ${_ILINKS} 242 243kernel-tags: 244 @[ -f .depend ] || { echo "you must make depend first"; exit 1; } 245 sh $S/conf/systags.sh 246 247kernel-install: 248 @if [ ! -f ${KERNEL_KO} ] ; then \ 249 echo "You must build a kernel first." ; \ 250 exit 1 ; \ 251 fi 252.if exists(${DESTDIR}${KODIR}) 253 -thiskernel=`sysctl -n kern.bootfile` ; \ 254 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \ 255 chflags -R noschg ${DESTDIR}${KODIR} ; \ 256 rm -rf ${DESTDIR}${KODIR} ; \ 257 rm -rf ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ; \ 258 else \ 259 if [ -d ${DESTDIR}${KODIR}.old ] ; then \ 260 chflags -R noschg ${DESTDIR}${KODIR}.old ; \ 261 rm -rf ${DESTDIR}${KODIR}.old ; \ 262 fi ; \ 263 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \ 264 if [ -n "${KERN_DEBUGDIR}" -a \ 265 -d ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ]; then \ 266 rm -rf ${DESTDIR}${KERN_DEBUGDIR}${KODIR}.old ; \ 267 mv ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ${DESTDIR}${KERN_DEBUGDIR}${KODIR}.old ; \ 268 fi ; \ 269 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \ 270 fi 271.endif 272 mkdir -p ${DESTDIR}${KODIR} 273 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 274.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 275 mkdir -p ${DESTDIR}${KERN_DEBUGDIR}${KODIR} 276 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.debug ${DESTDIR}${KERN_DEBUGDIR}${KODIR} 277.endif 278.if defined(KERNEL_EXTRA_INSTALL) 279 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR} 280.endif 281 282 283 284kernel-reinstall: 285 @-chflags -R noschg ${DESTDIR}${KODIR} 286 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR} 287.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 288 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.debug ${DESTDIR}${KERN_DEBUGDIR}${KODIR} 289.endif 290 291config.o env.o hints.o vers.o vnode_if.o: 292 ${NORMAL_C} 293 ${NORMAL_CTFCONVERT} 294 295config.ln env.ln hints.ln vers.ln vnode_if.ln: 296 ${NORMAL_LINT} 297 298vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 299 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT} 300 301vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src 302 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c 303 304vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \ 305 $S/kern/vnode_if.src 306vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 307 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h 308vnode_if_newproto.h: 309 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p 310vnode_if_typedef.h: 311 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q 312 313.if ${MFS_IMAGE:Uno} != "no" 314# Generate an object file from the file system image to embed in the kernel 315# via linking. Make sure the contents are in the mfs section and rename the 316# start/end/size variables to __start_mfs, __stop_mfs, and mfs_size, 317# respectively. 318embedfs_${MFS_IMAGE:T:R}.o: ${MFS_IMAGE} 319 ${OBJCOPY} --input-target binary \ 320 --output-target ${EMBEDFS_FORMAT.${MACHINE_ARCH}} \ 321 --binary-architecture ${EMBEDFS_ARCH.${MACHINE_ARCH}} \ 322 ${MFS_IMAGE} ${.TARGET} 323 ${OBJCOPY} \ 324 --rename-section .data=mfs,contents,alloc,load,readonly,data \ 325 --redefine-sym \ 326 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_size=__mfs_root_size \ 327 --redefine-sym \ 328 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_start=mfs_root \ 329 --redefine-sym \ 330 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_end=mfs_root_end \ 331 ${.TARGET} 332.endif 333 334# XXX strictly, everything depends on Makefile because changes to ${PROF} 335# only appear there, but we don't handle that. 336 337.include "kern.mk" 338