Makefile.kern.inc revision 1.111.4.2
1 # $NetBSD: Makefile.kern.inc,v 1.111.4.2 2009/05/04 08:12:29 yamt 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?= ${DEFCOPTS} 62 COPTS+= -std=gnu99 63 DBG= # might contain unwanted -Ofoo 64 DEFWARNINGS?= yes 65 .if (${DEFWARNINGS} == "yes") 66 . if !defined(NOGCCERROR) 67 CWARNFLAGS+= -Werror 68 . endif 69 CWARNFLAGS+= -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith 70 CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes 71 CWARNFLAGS+= -Wswitch -Wshadow 72 CWARNFLAGS+= -Wcast-qual -Wwrite-strings 73 CWARNFLAGS+= -Wno-unreachable-code 74 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 75 # but our sources aren't up for it yet. 76 CWARNFLAGS+= -Wno-sign-compare 77 . if (defined(HAVE_GCC) && ${HAVE_GCC} > 3) || defined(HAVE_PCC) 78 CWARNFLAGS+= -Wno-pointer-sign -Wno-attributes 79 . if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "x86_64" || \ 80 ${MACHINE_ARCH} == "sparc64" || ${MACHINE} == "prep" 81 CWARNFLAGS+= -Wextra -Wno-unused-parameter 82 . endif 83 . endif 84 .endif 85 86 CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss 87 CFLAGS+= ${DEBUG} ${COPTS} 88 AFLAGS+= -D_LOCORE -Wa,-fatal-warnings 89 90 # XXX 91 .if defined(HAVE_GCC) && ${HAVE_GCC} > 3 92 CFLAGS+= -fno-strict-aliasing 93 .endif 94 95 .if ${USE_SSP:Uno} == "yes" 96 CFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 97 LDFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 98 COPTS.kern_ssp.c+= -fno-stack-protector -D__SSP__ 99 .endif 100 101 # If we want the bpendtsleep: label in kern_synch.c, we need to use 102 # -fno-reorder-blocks. Don't make this a config(1) defflag without 103 # making sure this fragment remains valid. 104 .if defined(HAVE_GCC) && ${HAVE_GCC} > 3 && \ 105 !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL}) 106 COPTS.kern_synch.c+= -fno-reorder-blocks 107 .endif 108 109 # Use the per-source COPTS variables to add -g to just those 110 # files that match the shell patterns given in ${DEBUGLIST} 111 # 112 .for i in ${DEBUGLIST} 113 . for j in ${CFILES:T:M$i.c} 114 COPTS.${j}+=-g 115 . endfor 116 .endfor 117 118 # Always compile subr_debug_info.c with debug informations. 119 # This allows gdb to use type informations. 120 # 121 COPTS.debugsyms.c+= -g 122 123 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 124 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 125 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 126 ${_MKSHECHO}\ 127 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 128 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 129 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 130 ${_MKSHECHO}\ 131 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 132 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 133 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 134 ${_MKSHECHO}\ 135 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 136 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 137 138 ## 139 ## (3) libkern and compat 140 ## 141 ## Set KERN_AS in the port Makefile to "obj" or "library". The 142 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 143 ## 144 145 ### find out what to use for libkern 146 .include "$S/lib/libkern/Makefile.inc" 147 .ifndef PROF 148 LIBKERN?= ${KERNLIB} 149 .else 150 LIBKERN?= ${KERNLIB_PROF} 151 .endif 152 153 LIBKERNLN?= ${KERNLIBLN} 154 155 ### find out what to use for libcompat 156 .include "$S/compat/common/Makefile.inc" 157 .ifndef PROF 158 SYSLIBCOMPAT?= ${COMPATLIB} 159 .else 160 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 161 .endif 162 163 SYSLIBCOMPATLN?= ${COMPATLIBLN} 164 165 ## 166 ## (4) local objects, compile rules, and dependencies 167 ## 168 ## Each port should have a corresponding section with settings for 169 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 170 ## 171 MI_CFILES=devsw.c ioconf.c param.c 172 # the need for a MI_SFILES variable is dubitable at best 173 MI_OBJS=${MI_CFILES:S/.c/.o/} 174 175 param.c: $S/conf/param.c 176 ${_MKTARGET_CREATE} 177 rm -f param.c 178 cp $S/conf/param.c . 179 180 param.o: Makefile 181 182 .for _cfile in ${MI_CFILES} 183 ${_cfile:T:R}.o: ${_cfile} 184 ${NORMAL_C} 185 .endfor 186 187 ## 188 ## (5) link settings 189 ## 190 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 191 ## be set in the port's Makefile. The port specific definitions for 192 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 193 ## depending on the value of DEBUG. 194 ## 195 # load lines for config "xxx" will be emitted as: 196 # xxx: ${SYSTEM_DEP} swapxxx.o 197 # ${SYSTEM_LD_HEAD} 198 # ${SYSTEM_LD} swapxxx.o 199 # ${SYSTEM_LD_TAIL} 200 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS:O} ${SYSLIBCOMPAT} ${LIBKERN} 201 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 202 SYSTEM_LD_HEAD?=@rm -f $@ 203 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 204 ${_MKSHECHO}\ 205 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 206 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 207 SYSTEM_LD_TAIL?=@${TOOL_SED} '/const char sccs/!d;s/.*@(.)//;s/\\.*//' vers.c; \ 208 ${SIZE} $@; chmod 755 $@ 209 210 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 211 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 212 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 213 ENTRYPOINT?= start 214 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 215 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 216 ${EXTRA_LINKFLAGS} 217 218 LINKFLAGS_DEBUG?= -X 219 SYSTEM_LD_TAIL_DEBUG?=; \ 220 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 221 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 222 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 223 LINKFLAGS_NORMAL?= -S 224 STRIPFLAGS?= -g 225 226 DEBUG?= 227 .if !empty(DEBUG:M-g*) 228 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 229 LINKFLAGS+= ${LINKFLAGS_DEBUG} 230 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 231 .elifndef PROF 232 LINKFLAGS+= ${LINKFLAGS_NORMAL} 233 .endif 234 235 SYSTEM_LD_TAIL+=; \ 236 if grep '^\#define.*SYMTAB_SPACE' opt_ddbparam.h > /dev/null; then \ 237 echo "${DBSYM} $@"; \ 238 ${DBSYM} $@; \ 239 fi 240 241 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 242 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 243 244 ## 245 ## (6) port independent targets and dependencies: assym.h, vers.o 246 ## 247 .if !target(assym.h) 248 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 249 ${_MKTARGET_CREATE} 250 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 251 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 252 > assym.h.tmp && \ 253 mv -f assym.h.tmp assym.h 254 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 255 .endif 256 257 MKREPRO?=no 258 259 .if ${MKREPRO} == "yes" 260 _NVFLAGS=-r 261 .else 262 _NVFLAGS= 263 .endif 264 265 .if !target(vers.o) 266 newvers: vers.o 267 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 268 ${_MKMSG_CREATE} vers.c 269 ${HOST_SH} $S/conf/newvers.sh ${_NVFLAGS} 270 ${_MKTARGET_COMPILE} 271 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 272 .endif 273 274 .if !target(config_time.h) 275 BUILDSYMLINKS+= config_time.src config_time.h 276 .endif 277 278 .if defined(MEMORY_DISK_IMAGE) 279 md_root_image.h: ${MEMORY_DISK_IMAGE} 280 ${_MKTARGET_CREATE} 281 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 282 283 # XXX This is only needed when building md_root.o 284 CPPFLAGS+= -DMEMORY_DISK_IMAGE 285 md_root.o: md_root_image.h 286 .endif 287 288 # depend on MEMORY_DISK_IMAGE configuration 289 md_root.o: Makefile 290 291 # depend on root or device configuration 292 autoconf.o conf.o: Makefile 293 294 # depend on network or filesystem configuration 295 uipc_proto.o vfs_conf.o: Makefile 296 297 # depend on maxusers and CPU configuration 298 assym.h machdep.o: Makefile 299 300 ## 301 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 302 ## cscope, mkid 303 ## 304 ## Any ports that have other stuff to be cleaned up should fill in 305 ## EXTRA_CLEAN. Some ports may want different settings for 306 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 307 ## 308 .if !target(__CLEANKERNEL) 309 __CLEANKERNEL: .USE 310 ${_MKMSG} "${.TARGET}ing the kernel objects" 311 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 312 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 313 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 314 .endif 315 316 .if !target(kernelnames) 317 kernelnames: 318 @echo "${KERNELS} ${EXTRA_KERNELS}" 319 .endif 320 321 .if !target(__CLEANDEPEND) 322 __CLEANDEPEND: .USE 323 echo .depend ${DEPS} | xargs rm -f -- 324 .endif 325 326 # do not !target these, the kern and compat Makefiles augment them 327 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 328 clean: __CLEANKERNEL 329 depend: .depend 330 dependall: depend .WAIT all 331 332 .if !target(.depend) 333 MKDEP_AFLAGS?= ${AFLAGS} 334 MKDEP_CFLAGS?= ${CFLAGS} 335 SSRCS=${MD_SFILES} ${SFILES} 336 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 337 SRCS=${SSRCS} ${CSRCS} 338 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 339 340 .for _s in ${SSRCS} 341 ${_s:T:R}.d: ${_s} assym.h 342 ${_MKTARGET_CREATE} 343 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 344 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 345 .endfor 346 .for _s in ${CSRCS} 347 ${_s:T:R}.d: ${_s} 348 ${_MKTARGET_CREATE} 349 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 350 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 351 .endfor 352 353 assym.d: assym.h 354 ${_MKTARGET_CREATE} 355 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 356 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 357 ${CFLAGS} ${CPPFLAGS} 358 ${TOOL_SED} -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 359 rm -f assym.dep 360 361 DEPS+= assym.d 362 363 .depend: ${DEPS} 364 ${_MKTARGET_CREATE} 365 echo "${.ALLSRC}" | ${MKDEP} -D 366 .endif 367 368 .if !target(lint) 369 ALLSFILES?= ${MD_SFILES} ${SFILES} 370 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 371 KERNLINTFLAGS?= -bcehnxzFS 372 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 373 374 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 375 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 376 377 .for _sfile in ${ALLSFILES} 378 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 379 ${_MKTARGET_COMPILE} 380 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 381 ${TOOL_AWK} -f $S/kern/genlintstub.awk >${.TARGET} 382 .endfor 383 384 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 385 ${_cfile:T:R}.ln: ${_cfile} 386 ${_MKTARGET_COMPILE} 387 ${NORMAL_LN} 388 .endfor 389 390 lint: ${LOBJS} 391 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 392 .endif 393 394 # Attempt to do a syntax-only compile of the entire kernel as one entity. 395 # Alas, bugs in the GCC C frontend prevent this from completely effective 396 # but information can be gleaned from the output. 397 syntax-only: ${CFILES} ${MD_CFILES} 398 ${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \ 399 ${CFILES} ${MD_CFILES} 400 401 # List of kernel images that will be installed into the root file system. 402 # Some platforms may need to install more than one (e.g. a netbsd.aout file 403 # to be loaded directly by the firmware), so this can be overriden by them. 404 KERNIMAGES?= netbsd 405 406 .if !target(install) 407 # The install target can be redefined by putting a 408 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 409 MACHINE_NAME!= uname -n 410 install: install-kernel-${MACHINE_NAME} 411 .if !target(install-kernel-${MACHINE_NAME}) 412 install-kernel-${MACHINE_NAME}: 413 .for _K in ${KERNIMAGES} 414 rm -f ${DESTDIR}/o${_K} 415 ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K} 416 cp ${_K} ${DESTDIR}/n${_K} 417 mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K} 418 .endfor 419 .endif 420 .endif 421 422 .if !target(tags) 423 tags: 424 @echo "see $S/kern/Makefile for tags" 425 .endif 426 427 EXTRA_CLEAN+= cscope.out cscope.tmp 428 .if !target(cscope.out) 429 cscope.out: Makefile depend 430 ${_MKTARGET_CREATE} 431 @${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend \ 432 | tr -s ' ' '\n' \ 433 | ${TOOL_SED} ';s|^../../||;' \ 434 > cscope.tmp 435 @${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend \ 436 | tr -s ' ' '\n' \ 437 | ${TOOL_SED} 's|^../../||;' \ 438 >> cscope.tmp 439 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 440 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | ${TOOL_SED} s/-nostdinc//` 441 # cscope doesn't write cscope.out if it's uptodate, so ensure 442 # make doesn't keep calling cscope when not needed. 443 @rm -f cscope.tmp; touch cscope.out 444 .endif 445 446 .if !target(cscope) 447 cscope: cscope.out 448 @${CSCOPE} -d 449 .endif 450 451 EXTRA_CLEAN+= ID 452 .if !target(mkid) 453 .PHONY: mkid 454 mkid: ID 455 456 ID: Makefile depend 457 ${_MKTARGET_CREATE} 458 @${MKID} \ 459 `${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \ 460 lib/kern/.depend lib/compat/.depend \ 461 | tr ' ' '\n' \ 462 | ${TOOL_SED} "s|^../../||" \ 463 | sort -u` \ 464 `${TOOL_SED} 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \ 465 .depend \ 466 | tr ' ' '\n' \ 467 | sort -u` 468 469 .endif 470 471 .include "${S}/gdbscripts/Makefile.inc" 472 473 EXTRA_CLEAN+= .gdbinit 474 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 475 ${_MKTARGET_CREATE} 476 rm -f .gdbinit 477 .for __gdbinit in ${SYS_GDBINIT} 478 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 479 .endfor 480 .if defined(GDBINIT) && !empty(GDBINIT) 481 .for __gdbinit in ${GDBINIT} 482 echo "source ${__gdbinit}" >> .gdbinit 483 .endfor 484 .endif 485 486 # The following files use alloca(3) or variable array allocations. 487 # Their full name is noted as documentation. 488 VARSTACK=dev/cgd.c kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \ 489 nfs/nfs_bio.c uvm/uvm_bio.c \ 490 uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \ 491 dev/ofw/ofw_subr.c 492 493 . if (defined(HAVE_GCC) && ${HAVE_GCC} > 3) || defined(HAVE_PCC) 494 .for __varstack in ${VARSTACK} 495 COPTS.${__varstack:T} += -Wno-stack-protector 496 .endfor 497 .endif 498 499 AFLAGS+= ${AOPTS.${.IMPSRC:T}} 500 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 501 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 502 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 503 504 .include <bsd.files.mk> 505 506 ## 507 ## the end 508 ## 509
Indexes created Fri Oct 31 11:10:07 GMT 2025