Makefile.kern.inc revision 1.68.2.9
1 # $NetBSD: Makefile.kern.inc,v 1.68.2.9 2008/02/27 08:36:31 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 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 74 # but our sources aren't up for it yet. 75 CWARNFLAGS+= -Wno-sign-compare 76 . if ${HAVE_GCC} > 3 77 CWARNFLAGS+= -Wno-pointer-sign -Wno-attributes 78 . if ${MACHINE} == "i386" || ${MACHINE_ARCH} == "sparc64" || ${MACHINE} == "prep" 79 CWARNFLAGS+= -Wextra -Wno-unused-parameter 80 . endif 81 . endif 82 .endif 83 84 CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss 85 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 86 AFLAGS+= ${CPUFLAGS} -D_LOCORE -Wa,-fatal-warnings 87 88 # XXX 89 .if ${HAVE_GCC} > 3 90 CFLAGS+= -fno-strict-aliasing 91 .endif 92 93 .if ${USE_SSP:Uno} == "yes" 94 CFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 95 LDFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 96 .endif 97 98 # If we want the bpendtsleep: label in kern_synch.c, we need to use 99 # -fno-reorder-blocks. Don't make this a config(1) defflag without 100 # making sure this fragment remains valid. 101 .if ${HAVE_GCC} > 3 && !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL}) 102 CFLAGS.kern_synch.c+= -fno-reorder-blocks 103 .endif 104 105 # Use the per-source COPTS variables to add -g to just those 106 # files that match the shell patterns given in ${DEBUGLIST} 107 # 108 .for i in ${DEBUGLIST} 109 . for j in ${CFILES:T:M$i.c} 110 COPTS.${j}+=-g 111 . endfor 112 .endfor 113 114 # Always compile subr_debug_info.c with debug informations. 115 # This allows gdb to use type informations. 116 # 117 COPTS.debugsyms.c+= -g 118 119 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 120 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 121 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 122 ${_MKSHECHO}\ 123 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 124 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 125 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 126 ${_MKSHECHO}\ 127 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 128 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 129 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 130 ${_MKSHECHO}\ 131 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 132 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 133 134 ## 135 ## (3) libkern and compat 136 ## 137 ## Set KERN_AS in the port Makefile to "obj" or "library". The 138 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 139 ## 140 141 ### find out what to use for libkern 142 .include "$S/lib/libkern/Makefile.inc" 143 .ifndef PROF 144 LIBKERN?= ${KERNLIB} 145 .else 146 LIBKERN?= ${KERNLIB_PROF} 147 .endif 148 149 LIBKERNLN?= ${KERNLIBLN} 150 151 ### find out what to use for libcompat 152 .include "$S/compat/common/Makefile.inc" 153 .ifndef PROF 154 SYSLIBCOMPAT?= ${COMPATLIB} 155 .else 156 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 157 .endif 158 159 SYSLIBCOMPATLN?= ${COMPATLIBLN} 160 161 ## 162 ## (4) local objects, compile rules, and dependencies 163 ## 164 ## Each port should have a corresponding section with settings for 165 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 166 ## 167 MI_CFILES=devsw.c ioconf.c param.c 168 # the need for a MI_SFILES variable is dubitable at best 169 MI_OBJS=${MI_CFILES:S/.c/.o/} 170 171 param.c: $S/conf/param.c 172 ${_MKTARGET_CREATE} 173 rm -f param.c 174 cp $S/conf/param.c . 175 176 param.o: Makefile 177 178 .for _cfile in ${MI_CFILES} 179 ${_cfile:T:R}.o: ${_cfile} 180 ${NORMAL_C} 181 .endfor 182 183 ## 184 ## (5) link settings 185 ## 186 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 187 ## be set in the port's Makefile. The port specific definitions for 188 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 189 ## depending on the value of DEBUG. 190 ## 191 # load lines for config "xxx" will be emitted as: 192 # xxx: ${SYSTEM_DEP} swapxxx.o 193 # ${SYSTEM_LD_HEAD} 194 # ${SYSTEM_LD} swapxxx.o 195 # ${SYSTEM_LD_TAIL} 196 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 197 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 198 SYSTEM_LD_HEAD?=@rm -f $@ 199 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 200 ${_MKSHECHO}\ 201 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 202 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 203 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 204 205 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 206 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 207 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 208 ENTRYPOINT?= start 209 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 210 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 211 ${EXTRA_LINKFLAGS} 212 213 LINKFLAGS_DEBUG?= -X 214 SYSTEM_LD_TAIL_DEBUG?=; \ 215 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 216 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 217 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 218 LINKFLAGS_NORMAL?= -S 219 STRIPFLAGS?= -g 220 221 DEBUG?= 222 .if !empty(DEBUG:M-g*) 223 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 224 LINKFLAGS+= ${LINKFLAGS_DEBUG} 225 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 226 .elifndef PROF 227 LINKFLAGS+= ${LINKFLAGS_NORMAL} 228 .endif 229 230 SYSTEM_LD_TAIL+=; \ 231 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 232 echo "${DBSYM} $@"; \ 233 ${DBSYM} $@; \ 234 fi 235 236 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 237 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 238 239 ## 240 ## (6) port independent targets and dependencies: assym.h, vers.o 241 ## 242 .if !target(assym.h) 243 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 244 ${_MKTARGET_CREATE} 245 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 246 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 247 > assym.h.tmp && \ 248 mv -f assym.h.tmp assym.h 249 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 250 .endif 251 252 .if !target(vers.o) 253 newvers: vers.o 254 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 255 ${_MKMSG_CREATE} vers.c 256 ${HOST_SH} $S/conf/newvers.sh 257 ${_MKTARGET_COMPILE} 258 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 259 .endif 260 261 .if !target(config_time.h) 262 BUILDSYMLINKS+= config_time.src config_time.h 263 .endif 264 265 .if defined(MEMORY_DISK_IMAGE) 266 md_root_image.h: ${MEMORY_DISK_IMAGE} 267 ${_MKTARGET_CREATE} 268 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 269 270 # XXX This is only needed when building md_root.o 271 CPPFLAGS+= -DMEMORY_DISK_IMAGE 272 md_root.o: md_root_image.h 273 .endif 274 275 # depend on MEMORY_DISK_IMAGE configuration 276 md_root.o: Makefile 277 278 # depend on root or device configuration 279 autoconf.o conf.o: Makefile 280 281 # depend on network or filesystem configuration 282 uipc_proto.o vfs_conf.o: Makefile 283 284 # depend on maxusers and CPU configuration 285 assym.h machdep.o: Makefile 286 287 ## 288 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 289 ## cscope, mkid 290 ## 291 ## Any ports that have other stuff to be cleaned up should fill in 292 ## EXTRA_CLEAN. Some ports may want different settings for 293 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 294 ## 295 .if !target(__CLEANKERNEL) 296 __CLEANKERNEL: .USE 297 ${_MKMSG} "${.TARGET}ing the kernel objects" 298 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 299 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 300 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 301 .endif 302 303 .if !target(kernelnames) 304 kernelnames: 305 @echo "${KERNELS} ${EXTRA_KERNELS}" 306 .endif 307 308 .if !target(__CLEANDEPEND) 309 __CLEANDEPEND: .USE 310 echo .depend ${DEPS} | xargs rm -f -- 311 .endif 312 313 # do not !target these, the kern and compat Makefiles augment them 314 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 315 clean: __CLEANKERNEL 316 depend: .depend 317 dependall: depend .WAIT all 318 319 .if !target(.depend) 320 MKDEP_AFLAGS?= ${AFLAGS} 321 MKDEP_CFLAGS?= ${CFLAGS} 322 SSRCS=${MD_SFILES} ${SFILES} 323 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 324 SRCS=${SSRCS} ${CSRCS} 325 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 326 327 .for _s in ${SSRCS} 328 ${_s:T:R}.d: ${_s} assym.h 329 ${_MKTARGET_CREATE} 330 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 331 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 332 .endfor 333 .for _s in ${CSRCS} 334 ${_s:T:R}.d: ${_s} 335 ${_MKTARGET_CREATE} 336 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 337 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 338 .endfor 339 340 assym.d: assym.h 341 ${_MKTARGET_CREATE} 342 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 343 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 344 ${CFLAGS} ${CPPFLAGS} 345 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 346 rm -f assym.dep 347 348 DEPS+= assym.d 349 350 .depend: ${DEPS} 351 ${_MKTARGET_CREATE} 352 echo "${.ALLSRC}" | ${MKDEP} -D 353 .endif 354 355 .if !target(lint) 356 ALLSFILES?= ${MD_SFILES} ${SFILES} 357 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 358 KERNLINTFLAGS?= -bcehnxzFS 359 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 360 361 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 362 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 363 364 .for _sfile in ${ALLSFILES} 365 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 366 ${_MKTARGET_COMPILE} 367 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 368 awk -f $S/kern/genlintstub.awk >${.TARGET} 369 .endfor 370 371 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 372 ${_cfile:T:R}.ln: ${_cfile} 373 ${_MKTARGET_COMPILE} 374 ${NORMAL_LN} 375 .endfor 376 377 lint: ${LOBJS} 378 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 379 .endif 380 381 # Attempt to do a syntax-only compile of the entire kernel as one entity. 382 # Alas, bugs in the GCC C frontend prevent this from completely effective 383 # but information can be gleaned from the output. 384 syntax-only: ${CFILES} ${MD_CFILES} 385 ${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \ 386 ${CFILES} ${MD_CFILES} 387 388 # List of kernel images that will be installed into the root file system. 389 # Some platforms may need to install more than one (e.g. a netbsd.aout file 390 # to be loaded directly by the firmware), so this can be overriden by them. 391 KERNIMAGES?= netbsd 392 393 .if !target(install) 394 # The install target can be redefined by putting a 395 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 396 MACHINE_NAME!= uname -n 397 install: install-kernel-${MACHINE_NAME} 398 .if !target(install-kernel-${MACHINE_NAME}) 399 install-kernel-${MACHINE_NAME}: 400 .for _K in ${KERNIMAGES} 401 rm -f ${DESTDIR}/o${_K} 402 ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K} 403 cp ${_K} ${DESTDIR}/n${_K} 404 mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K} 405 .endfor 406 .endif 407 .endif 408 409 .if !target(tags) 410 tags: 411 @echo "see $S/kern/Makefile for tags" 412 .endif 413 414 EXTRA_CLEAN+= cscope.out cscope.tmp 415 .if !target(cscope.out) 416 cscope.out: Makefile depend 417 ${_MKTARGET_CREATE} 418 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 419 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 420 cscope.tmp 421 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 422 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 423 cscope.tmp 424 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 425 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 426 # cscope doesn't write cscope.out if it's uptodate, so ensure 427 # make doesn't keep calling cscope when not needed. 428 @rm -f cscope.tmp; touch cscope.out 429 .endif 430 431 .if !target(cscope) 432 cscope: cscope.out 433 @${CSCOPE} -d 434 .endif 435 436 EXTRA_CLEAN+= ID 437 .if !target(mkid) 438 .PHONY: mkid 439 mkid: ID 440 441 ID: Makefile depend 442 ${_MKTARGET_CREATE} 443 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 444 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 445 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 446 | sort -u` 447 448 .endif 449 450 .include "${S}/gdbscripts/Makefile.inc" 451 452 EXTRA_CLEAN+= .gdbinit 453 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 454 ${_MKTARGET_CREATE} 455 rm -f .gdbinit 456 .for __gdbinit in ${SYS_GDBINIT} 457 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 458 .endfor 459 .if defined(GDBINIT) && !empty(GDBINIT) 460 .for __gdbinit in ${GDBINIT} 461 echo "source ${__gdbinit}" >> .gdbinit 462 .endfor 463 .endif 464 465 # The following files use alloca(3) or variable array allocations. 466 # Their full name is noted as documentation. 467 VARSTACK=dev/cgd.c kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \ 468 nfs/nfs_bio.c uvm/uvm_bio.c \ 469 uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \ 470 dev/ofw/ofw_subr.c 471 472 . if ${HAVE_GCC} > 3 473 .for __varstack in ${VARSTACK} 474 COPTS.${__varstack:T} += -Wno-stack-protector 475 .endfor 476 .endif 477 478 AFLAGS+= ${AOPTS.${.IMPSRC:T}} 479 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 480 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 481 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 482 483 .include <bsd.files.mk> 484 485 ## 486 ## the end 487 ## 488
Indexes created Fri Oct 31 11:10:07 GMT 2025