Makefile.kern.inc revision 1.103.4.2
1 # $NetBSD: Makefile.kern.inc,v 1.103.4.2 2008/02/18 21:05:31 mjf Exp $ 2 # 3 # This file contains common `MI' targets and definitions and it is included 4 # at the bottom of each `MD' ${MACHINE}/conf/Makefile.${MACHINE}. 5 # 6 # Each target in this file should be protected with `if !target(target)' 7 # or `if !commands(target)' and each variable should only be conditionally 8 # assigned `VAR ?= VALUE', so that everything can be overriden. 9 # 10 # DEBUG is set to -g if debugging. 11 # PROF is set to -pg if profiling. 12 # 13 # To specify debugging, add the config line: makeoptions DEBUG="-g" 14 # A better way is to specify -g only for a few files. 15 # 16 # makeoptions DEBUGLIST="uvm* trap if_*" 17 # 18 # all ports are expected to include bsd.own.mk for toolchain settings 19 20 ## 21 ## (0) toolchain settings for things that aren't part of the standard 22 ## toolchain 23 ## 24 HOST_SH?= sh 25 DBSYM?= dbsym 26 MKDEP?= mkdep 27 STRIP?= strip 28 OBJCOPY?= objcopy 29 OBJDUMP?= objdump 30 CSCOPE?= cscope 31 MKID?= mkid 32 UUDECODE?= ${TOOL_UUDECODE:Uuudecode} 33 HEXDUMP?= ${TOOL_HEXDUMP:Uhexdump} 34 GENASSYM?= ${TOOL_GENASSYM:Ugenassym} 35 .MAKEOVERRIDES+=USETOOLS # make sure proper value is propagated 36 37 _MKMSG?= @\# 38 _MKSHMSG?= echo 39 _MKSHECHO?= echo 40 _MKMSG_CREATE?= : 41 _MKTARGET_COMPILE?= : 42 _MKTARGET_CREATE?= : 43 44 ## 45 ## (1) port independent source tree identification 46 ## 47 # source tree is located via $S relative to the compilation directory 48 .ifndef S 49 S!= cd ../../../..; pwd 50 .endif 51 52 ## 53 ## (2) compile settings 54 ## 55 ## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile 56 ## 57 INCLUDES?= -I. ${EXTRA_INCLUDES} -I${S}/../common/include -I$S/arch \ 58 -I$S -nostdinc 59 CPPFLAGS+= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D_KERNEL_OPT 60 DEFCOPTS?= -O2 61 COPTS?= ${DEFCOPTS} 62 DBG= # might contain unwanted -Ofoo 63 DEFWARNINGS?= yes 64 .if (${DEFWARNINGS} == "yes") 65 . if !defined(NOGCCERROR) 66 CWARNFLAGS+= -Werror 67 . endif 68 CWARNFLAGS+= -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith 69 CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes 70 CWARNFLAGS+= -Wswitch -Wshadow 71 CWARNFLAGS+= -Wcast-qual -Wwrite-strings 72 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 73 # but our sources aren't up for it yet. 74 CWARNFLAGS+= -Wno-sign-compare 75 . if ${HAVE_GCC} > 3 76 CWARNFLAGS+= -Wno-pointer-sign -Wno-attributes 77 . if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "sparc64" || ${MACHINE} == "prep" 78 CWARNFLAGS+= -Wextra -Wno-unused-parameter 79 . endif 80 . endif 81 .endif 82 83 CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss 84 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 85 AFLAGS+= ${CPUFLAGS} -D_LOCORE -Wa,-fatal-warnings 86 87 # XXX 88 .if ${HAVE_GCC} > 3 89 CFLAGS+= -fno-strict-aliasing 90 .endif 91 92 .if ${USE_SSP:Uno} == "yes" 93 CFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 94 LDFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 95 .endif 96 97 # If we want the bpendtsleep: label in kern_synch.c, we need to use 98 # -fno-reorder-blocks. Don't make this a config(1) defflag without 99 # making sure this fragment remains valid. 100 .if ${HAVE_GCC} > 3 && !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL}) 101 CFLAGS.kern_synch.c+= -fno-reorder-blocks 102 .endif 103 104 # Use the per-source COPTS variables to add -g to just those 105 # files that match the shell patterns given in ${DEBUGLIST} 106 # 107 .for i in ${DEBUGLIST} 108 . for j in ${CFILES:T:M$i.c} 109 COPTS.${j}+=-g 110 . endfor 111 .endfor 112 113 # Always compile subr_debug_info.c with debug informations. 114 # This allows gdb to use type informations. 115 # 116 COPTS.debugsyms.c+= -g 117 118 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 119 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 120 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 121 ${_MKSHECHO}\ 122 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 123 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 124 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 125 ${_MKSHECHO}\ 126 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 127 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 128 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 129 ${_MKSHECHO}\ 130 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 131 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 132 133 ## 134 ## (3) libkern and compat 135 ## 136 ## Set KERN_AS in the port Makefile to "obj" or "library". The 137 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 138 ## 139 140 ### find out what to use for libkern 141 .include "$S/lib/libkern/Makefile.inc" 142 .ifndef PROF 143 LIBKERN?= ${KERNLIB} 144 .else 145 LIBKERN?= ${KERNLIB_PROF} 146 .endif 147 148 LIBKERNLN?= ${KERNLIBLN} 149 150 ### find out what to use for libcompat 151 .include "$S/compat/common/Makefile.inc" 152 .ifndef PROF 153 SYSLIBCOMPAT?= ${COMPATLIB} 154 .else 155 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 156 .endif 157 158 SYSLIBCOMPATLN?= ${COMPATLIBLN} 159 160 ## 161 ## (4) local objects, compile rules, and dependencies 162 ## 163 ## Each port should have a corresponding section with settings for 164 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 165 ## 166 MI_CFILES=devsw.c ioconf.c param.c 167 # the need for a MI_SFILES variable is dubitable at best 168 MI_OBJS=${MI_CFILES:S/.c/.o/} 169 170 param.c: $S/conf/param.c 171 ${_MKTARGET_CREATE} 172 rm -f param.c 173 cp $S/conf/param.c . 174 175 param.o: Makefile 176 177 .for _cfile in ${MI_CFILES} 178 ${_cfile:T:R}.o: ${_cfile} 179 ${NORMAL_C} 180 .endfor 181 182 ## 183 ## (5) link settings 184 ## 185 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 186 ## be set in the port's Makefile. The port specific definitions for 187 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 188 ## depending on the value of DEBUG. 189 ## 190 # load lines for config "xxx" will be emitted as: 191 # xxx: ${SYSTEM_DEP} swapxxx.o 192 # ${SYSTEM_LD_HEAD} 193 # ${SYSTEM_LD} swapxxx.o 194 # ${SYSTEM_LD_TAIL} 195 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 196 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 197 SYSTEM_LD_HEAD?=@rm -f $@ 198 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 199 ${_MKSHECHO}\ 200 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 201 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 202 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 203 204 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 205 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 206 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 207 ENTRYPOINT?= start 208 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 209 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 210 ${EXTRA_LINKFLAGS} 211 212 LINKFLAGS_DEBUG?= -X 213 SYSTEM_LD_TAIL_DEBUG?=; \ 214 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 215 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 216 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 217 LINKFLAGS_NORMAL?= -S 218 STRIPFLAGS?= -g 219 220 DEBUG?= 221 .if !empty(DEBUG:M-g*) 222 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 223 LINKFLAGS+= ${LINKFLAGS_DEBUG} 224 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 225 .elifndef PROF 226 LINKFLAGS+= ${LINKFLAGS_NORMAL} 227 .endif 228 229 SYSTEM_LD_TAIL+=; \ 230 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 231 echo "${DBSYM} $@"; \ 232 ${DBSYM} $@; \ 233 fi 234 235 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 236 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 237 238 ## 239 ## (6) port independent targets and dependencies: assym.h, vers.o 240 ## 241 .if !target(assym.h) 242 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 243 ${_MKTARGET_CREATE} 244 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 245 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 246 > assym.h.tmp && \ 247 mv -f assym.h.tmp assym.h 248 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 249 .endif 250 251 .if !target(vers.o) 252 newvers: vers.o 253 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 254 ${_MKMSG_CREATE} vers.c 255 ${HOST_SH} $S/conf/newvers.sh 256 ${_MKTARGET_COMPILE} 257 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 258 .endif 259 260 .if !target(config_time.h) 261 BUILDSYMLINKS+= config_time.src config_time.h 262 .endif 263 264 .if defined(MEMORY_DISK_IMAGE) 265 md_root_image.h: ${MEMORY_DISK_IMAGE} 266 ${_MKTARGET_CREATE} 267 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 268 269 # XXX This is only needed when building md_root.o 270 CPPFLAGS+= -DMEMORY_DISK_IMAGE 271 md_root.o: md_root_image.h 272 .endif 273 274 # depend on MEMORY_DISK_IMAGE configuration 275 md_root.o: Makefile 276 277 # depend on root or device configuration 278 autoconf.o conf.o: Makefile 279 280 # depend on network or filesystem configuration 281 uipc_proto.o vfs_conf.o: Makefile 282 283 # depend on maxusers and CPU configuration 284 assym.h machdep.o: Makefile 285 286 ## 287 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 288 ## cscope, mkid 289 ## 290 ## Any ports that have other stuff to be cleaned up should fill in 291 ## EXTRA_CLEAN. Some ports may want different settings for 292 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 293 ## 294 .if !target(__CLEANKERNEL) 295 __CLEANKERNEL: .USE 296 ${_MKMSG} "${.TARGET}ing the kernel objects" 297 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 298 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 299 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 300 .endif 301 302 .if !target(kernelnames) 303 kernelnames: 304 @echo "${KERNELS} ${EXTRA_KERNELS}" 305 .endif 306 307 .if !target(__CLEANDEPEND) 308 __CLEANDEPEND: .USE 309 echo .depend ${DEPS} | xargs rm -f -- 310 .endif 311 312 # do not !target these, the kern and compat Makefiles augment them 313 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 314 clean: __CLEANKERNEL 315 depend: .depend 316 dependall: depend .WAIT all 317 318 .if !target(.depend) 319 MKDEP_AFLAGS?= ${AFLAGS} 320 MKDEP_CFLAGS?= ${CFLAGS} 321 SSRCS=${MD_SFILES} ${SFILES} 322 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 323 SRCS=${SSRCS} ${CSRCS} 324 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 325 326 .for _s in ${SSRCS} 327 ${_s:T:R}.d: ${_s} assym.h 328 ${_MKTARGET_CREATE} 329 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 330 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 331 .endfor 332 .for _s in ${CSRCS} 333 ${_s:T:R}.d: ${_s} 334 ${_MKTARGET_CREATE} 335 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 336 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 337 .endfor 338 339 assym.d: assym.h 340 ${_MKTARGET_CREATE} 341 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 342 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 343 ${CFLAGS} ${CPPFLAGS} 344 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 345 rm -f assym.dep 346 347 .depend: ${DEPS} assym.d 348 ${_MKTARGET_CREATE} 349 echo "${.ALLSRC}" | ${MKDEP} -D 350 .endif 351 352 .if !target(lint) 353 ALLSFILES?= ${MD_SFILES} ${SFILES} 354 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 355 KERNLINTFLAGS?= -bcehnxzFS 356 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 357 358 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 359 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 360 361 .for _sfile in ${ALLSFILES} 362 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 363 ${_MKTARGET_COMPILE} 364 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 365 awk -f $S/kern/genlintstub.awk >${.TARGET} 366 .endfor 367 368 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 369 ${_cfile:T:R}.ln: ${_cfile} 370 ${_MKTARGET_COMPILE} 371 ${NORMAL_LN} 372 .endfor 373 374 lint: ${LOBJS} 375 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 376 .endif 377 378 # Attempt to do a syntax-only compile of the entire kernel as one entity. 379 # Alas, bugs in the GCC C frontend prevent this from completely effective 380 # but information can be gleaned from the output. 381 syntax-only: ${CFILES} ${MD_CFILES} 382 ${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \ 383 ${CFILES} ${MD_CFILES} 384 385 # List of kernel images that will be installed into the root file system. 386 # Some platforms may need to install more than one (e.g. a netbsd.aout file 387 # to be loaded directly by the firmware), so this can be overriden by them. 388 KERNIMAGES?= netbsd 389 390 .if !target(install) 391 # The install target can be redefined by putting a 392 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 393 MACHINE_NAME!= uname -n 394 install: install-kernel-${MACHINE_NAME} 395 .if !target(install-kernel-${MACHINE_NAME}) 396 install-kernel-${MACHINE_NAME}: 397 .for _K in ${KERNIMAGES} 398 rm -f ${DESTDIR}/o${_K} 399 ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K} 400 cp ${_K} ${DESTDIR}/n${_K} 401 mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K} 402 .endfor 403 .endif 404 .endif 405 406 .if !target(tags) 407 tags: 408 @echo "see $S/kern/Makefile for tags" 409 .endif 410 411 EXTRA_CLEAN+= cscope.out cscope.tmp 412 .if !target(cscope.out) 413 cscope.out: Makefile depend 414 ${_MKTARGET_CREATE} 415 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 416 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 417 cscope.tmp 418 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 419 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 420 cscope.tmp 421 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 422 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 423 # cscope doesn't write cscope.out if it's uptodate, so ensure 424 # make doesn't keep calling cscope when not needed. 425 @rm -f cscope.tmp; touch cscope.out 426 .endif 427 428 .if !target(cscope) 429 cscope: cscope.out 430 @${CSCOPE} -d 431 .endif 432 433 EXTRA_CLEAN+= ID 434 .if !target(mkid) 435 .PHONY: mkid 436 mkid: ID 437 438 ID: Makefile depend 439 ${_MKTARGET_CREATE} 440 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 441 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 442 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 443 | sort -u` 444 445 .endif 446 447 .include "${S}/gdbscripts/Makefile.inc" 448 449 EXTRA_CLEAN+= .gdbinit 450 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 451 ${_MKTARGET_CREATE} 452 rm -f .gdbinit 453 .for __gdbinit in ${SYS_GDBINIT} 454 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 455 .endfor 456 .if defined(GDBINIT) && !empty(GDBINIT) 457 .for __gdbinit in ${GDBINIT} 458 echo "source ${__gdbinit}" >> .gdbinit 459 .endfor 460 .endif 461 462 # The following files use alloca(3) or variable array allocations. 463 # Their full name is noted as documentation. 464 VARSTACK=dev/cgd.c kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \ 465 nfs/nfs_bio.c uvm/uvm_bio.c \ 466 uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \ 467 dev/ofw/ofw_subr.c 468 469 . if ${HAVE_GCC} > 3 470 .for __varstack in ${VARSTACK} 471 COPTS.${__varstack:T} += -Wno-stack-protector 472 .endfor 473 .endif 474 475 AFLAGS+= ${AOPTS.${.IMPSRC:T}} 476 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 477 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 478 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 479 480 .include <bsd.files.mk> 481 482 ## 483 ## the end 484 ## 485
Indexes created Fri Oct 31 11:10:07 GMT 2025