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# Normal files first 190CFILES_NORMAL= ${CFILES:N*/cddl/*:N*fs/nfsclient/nfs_clkdtrace*:N*/compat/linuxkpi/common/*:N*/ofed/*:N*/dev/mlx5/*} 191SFILES_NORMAL= ${SFILES:N*/cddl/*} 192 193# We have "special" -I include paths for zfs/dtrace files in 'depend'. 194CFILES_CDDL= ${CFILES:M*/cddl/*} 195SFILES_CDDL= ${SFILES:M*/cddl/*} 196 197# We have "special" -I include paths for LinuxKPI. 198CFILES_LINUXKPI=${CFILES:M*/compat/linuxkpi/common/*} 199 200# We have "special" -I include paths for OFED. 201CFILES_OFED=${CFILES:M*/ofed/*} 202 203# We have "special" -I include paths for MLX5. 204CFILES_MLX5=${CFILES:M*/dev/mlx5/*} 205 206kernel-depend: .depend 207# The argument list can be very long, so use make -V and xargs to 208# pass it to mkdep. 209_MKDEPCC:= ${CC:N${CCACHE_BIN}} 210SRCS= assym.s vnode_if.h ${BEFORE_DEPEND} ${CFILES} \ 211 ${SYSTEM_CFILES} ${GEN_CFILES} ${SFILES} \ 212 ${MFILES:T:S/.m$/.h/} 213DEPENDFILES= .depend 214.if ${MK_FAST_DEPEND} == "yes" && \ 215 (${.MAKE.MODE:Unormal:Mmeta} == "" || ${.MAKE.MODE:Unormal:Mnofilemon} != "") 216DEPENDFILES+= .depend.* 217DEPEND_CFLAGS+= -MD -MP -MF.depend.${.TARGET} 218DEPEND_CFLAGS+= -MT${.TARGET} 219CFLAGS+= ${DEPEND_CFLAGS} 220DEPENDOBJS+= ${SYSTEM_OBJS} genassym.o 221DEPENDFILES_OBJS= ${DEPENDOBJS:O:u:C/^/.depend./} 222.if ${.MAKEFLAGS:M-V} == "" 223.for __depend_obj in ${DEPENDFILES_OBJS} 224.sinclude "${__depend_obj}" 225.endfor 226.endif 227.endif # ${MK_FAST_DEPEND} == "yes" 228 229.NOPATH: .depend ${DEPENDFILES_OBJS} 230 231.depend: .PRECIOUS ${SRCS} 232.if ${MK_FAST_DEPEND} == "no" 233 rm -f ${.TARGET}.tmp 234# C files 235 ${MAKE} -V CFILES_NORMAL -V SYSTEM_CFILES -V GEN_CFILES | \ 236 CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${CFLAGS} 237 ${MAKE} -V CFILES_CDDL | \ 238 CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${ZFS_CFLAGS} \ 239 ${FBT_CFLAGS} ${DTRACE_CFLAGS} 240 ${MAKE} -V CFILES_LINUXKPI | \ 241 CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp \ 242 ${CFLAGS} ${LINUXKPI_INCLUDES} 243 ${MAKE} -V CFILES_OFED -V CFILES_MLX5 | \ 244 CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp \ 245 ${CFLAGS} ${OFEDINCLUDES} 246# Assembly files 247 ${MAKE} -V SFILES_NORMAL | \ 248 CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${ASM_CFLAGS} 249 ${MAKE} -V SFILES_CDDL | \ 250 CC="${_MKDEPCC}" xargs mkdep -a -f ${.TARGET}.tmp ${ZFS_ASM_CFLAGS} 251 mv ${.TARGET}.tmp ${.TARGET} 252.else 253 : > ${.TARGET} 254.endif 255 256_ILINKS= machine 257.if ${MACHINE} != ${MACHINE_CPUARCH} && ${MACHINE} != "arm64" 258_ILINKS+= ${MACHINE_CPUARCH} 259.endif 260.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 261_ILINKS+= x86 262.endif 263 264# Ensure that the link exists without depending on it when it exists. 265.for _link in ${_ILINKS} 266.if !exists(${.OBJDIR}/${_link}) 267${SRCS} ${CLEAN:M*.o}: ${_link} 268.endif 269.endfor 270 271${_ILINKS}: 272 @case ${.TARGET} in \ 273 machine) \ 274 path=${S}/${MACHINE}/include ;; \ 275 *) \ 276 path=${S}/${.TARGET}/include ;; \ 277 esac ; \ 278 ${ECHO} ${.TARGET} "->" $$path ; \ 279 ln -s $$path ${.TARGET} 280 281# .depend needs include links so we remove them only together. 282kernel-cleandepend: .PHONY 283 rm -f ${DEPENDFILES} ${_ILINKS} 284 285kernel-tags: 286 @[ -f .depend ] || { echo "you must make depend first"; exit 1; } 287 sh $S/conf/systags.sh 288 289kernel-install: 290 @if [ ! -f ${KERNEL_KO} ] ; then \ 291 echo "You must build a kernel first." ; \ 292 exit 1 ; \ 293 fi 294.if exists(${DESTDIR}${KODIR}) 295 -thiskernel=`sysctl -n kern.bootfile` ; \ 296 if [ ! "`dirname "$$thiskernel"`" -ef ${DESTDIR}${KODIR} ] ; then \ 297 chflags -R noschg ${DESTDIR}${KODIR} ; \ 298 rm -rf ${DESTDIR}${KODIR} ; \ 299 rm -rf ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ; \ 300 else \ 301 if [ -d ${DESTDIR}${KODIR}.old ] ; then \ 302 chflags -R noschg ${DESTDIR}${KODIR}.old ; \ 303 rm -rf ${DESTDIR}${KODIR}.old ; \ 304 fi ; \ 305 mv ${DESTDIR}${KODIR} ${DESTDIR}${KODIR}.old ; \ 306 if [ -n "${KERN_DEBUGDIR}" -a \ 307 -d ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ]; then \ 308 rm -rf ${DESTDIR}${KERN_DEBUGDIR}${KODIR}.old ; \ 309 mv ${DESTDIR}${KERN_DEBUGDIR}${KODIR} ${DESTDIR}${KERN_DEBUGDIR}${KODIR}.old ; \ 310 fi ; \ 311 sysctl kern.bootfile=${DESTDIR}${KODIR}.old/"`basename "$$thiskernel"`" ; \ 312 fi 313.endif 314 mkdir -p ${DESTDIR}${KODIR} 315 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}/ 316.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 317 mkdir -p ${DESTDIR}${KERN_DEBUGDIR}${KODIR} 318 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.debug ${DESTDIR}${KERN_DEBUGDIR}${KODIR}/ 319.endif 320.if defined(KERNEL_EXTRA_INSTALL) 321 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_EXTRA_INSTALL} ${DESTDIR}${KODIR}/ 322.endif 323 324 325 326kernel-reinstall: 327 @-chflags -R noschg ${DESTDIR}${KODIR} 328 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO} ${DESTDIR}${KODIR}/ 329.if defined(DEBUG) && !defined(INSTALL_NODEBUG) && ${MK_KERNEL_SYMBOLS} != "no" 330 ${INSTALL} -p -m 555 -o ${KMODOWN} -g ${KMODGRP} ${KERNEL_KO}.debug ${DESTDIR}${KERN_DEBUGDIR}${KODIR}/ 331.endif 332 333config.o env.o hints.o vers.o vnode_if.o: 334 ${NORMAL_C} 335 ${NORMAL_CTFCONVERT} 336 337config.ln env.ln hints.ln vers.ln vnode_if.ln: 338 ${NORMAL_LINT} 339 340vers.c: $S/conf/newvers.sh $S/sys/param.h ${SYSTEM_DEP} 341 MAKE=${MAKE} sh $S/conf/newvers.sh ${KERN_IDENT} 342 343vnode_if.c: $S/tools/vnode_if.awk $S/kern/vnode_if.src 344 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -c 345 346vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \ 347 $S/kern/vnode_if.src 348vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h 349 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h 350vnode_if_newproto.h: 351 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p 352vnode_if_typedef.h: 353 ${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q 354 355.if ${MFS_IMAGE:Uno} != "no" 356# Generate an object file from the file system image to embed in the kernel 357# via linking. Make sure the contents are in the mfs section and rename the 358# start/end/size variables to __start_mfs, __stop_mfs, and mfs_size, 359# respectively. 360embedfs_${MFS_IMAGE:T:R}.o: ${MFS_IMAGE} 361 ${OBJCOPY} --input-target binary \ 362 --output-target ${EMBEDFS_FORMAT.${MACHINE_ARCH}} \ 363 --binary-architecture ${EMBEDFS_ARCH.${MACHINE_ARCH}} \ 364 ${MFS_IMAGE} ${.TARGET} 365 ${OBJCOPY} \ 366 --rename-section .data=mfs,contents,alloc,load,readonly,data \ 367 --redefine-sym \ 368 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_size=__mfs_root_size \ 369 --redefine-sym \ 370 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_start=mfs_root \ 371 --redefine-sym \ 372 _binary_${MFS_IMAGE:C,[^[:alnum:]],_,g}_end=mfs_root_end \ 373 ${.TARGET} 374.endif 375 376# XXX strictly, everything depends on Makefile because changes to ${PROF} 377# only appear there, but we don't handle that. 378 379.include "kern.mk" 380