Makefile.kern.inc revision 1.114
1 # $NetBSD: Makefile.kern.inc,v 1.114 2008/08/29 00:02:24 gmcgarry 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} == "sparc64" || ${MACHINE} == "prep" 80 CWARNFLAGS+= -Wextra -Wno-unused-parameter 81 . endif 82 . endif 83 .endif 84 85 CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss 86 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 87 AFLAGS+= ${CPUFLAGS} -D_LOCORE -Wa,-fatal-warnings 88 89 # XXX 90 .if defined(HAVE_GCC) && ${HAVE_GCC} > 3 91 CFLAGS+= -fno-strict-aliasing 92 .endif 93 94 .if ${USE_SSP:Uno} == "yes" 95 CFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 96 LDFLAGS+=-fstack-protector -Wstack-protector --param ssp-buffer-size=1 97 .endif 98 99 # If we want the bpendtsleep: label in kern_synch.c, we need to use 100 # -fno-reorder-blocks. Don't make this a config(1) defflag without 101 # making sure this fragment remains valid. 102 .if defined(HAVE_GCC) && ${HAVE_GCC} > 3 && \ 103 !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL}) 104 COPTS.kern_synch.c+= -fno-reorder-blocks 105 .endif 106 107 # Use the per-source COPTS variables to add -g to just those 108 # files that match the shell patterns given in ${DEBUGLIST} 109 # 110 .for i in ${DEBUGLIST} 111 . for j in ${CFILES:T:M$i.c} 112 COPTS.${j}+=-g 113 . endfor 114 .endfor 115 116 # Always compile subr_debug_info.c with debug informations. 117 # This allows gdb to use type informations. 118 # 119 COPTS.debugsyms.c+= -g 120 121 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 122 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 123 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 124 ${_MKSHECHO}\ 125 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 126 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 127 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 128 ${_MKSHECHO}\ 129 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 130 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 131 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 132 ${_MKSHECHO}\ 133 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 134 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 135 136 ## 137 ## (3) libkern and compat 138 ## 139 ## Set KERN_AS in the port Makefile to "obj" or "library". The 140 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 141 ## 142 143 ### find out what to use for libkern 144 .include "$S/lib/libkern/Makefile.inc" 145 .ifndef PROF 146 LIBKERN?= ${KERNLIB} 147 .else 148 LIBKERN?= ${KERNLIB_PROF} 149 .endif 150 151 LIBKERNLN?= ${KERNLIBLN} 152 153 ### find out what to use for libcompat 154 .include "$S/compat/common/Makefile.inc" 155 .ifndef PROF 156 SYSLIBCOMPAT?= ${COMPATLIB} 157 .else 158 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 159 .endif 160 161 SYSLIBCOMPATLN?= ${COMPATLIBLN} 162 163 ## 164 ## (4) local objects, compile rules, and dependencies 165 ## 166 ## Each port should have a corresponding section with settings for 167 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 168 ## 169 MI_CFILES=devsw.c ioconf.c param.c 170 # the need for a MI_SFILES variable is dubitable at best 171 MI_OBJS=${MI_CFILES:S/.c/.o/} 172 173 param.c: $S/conf/param.c 174 ${_MKTARGET_CREATE} 175 rm -f param.c 176 cp $S/conf/param.c . 177 178 param.o: Makefile 179 180 .for _cfile in ${MI_CFILES} 181 ${_cfile:T:R}.o: ${_cfile} 182 ${NORMAL_C} 183 .endfor 184 185 ## 186 ## (5) link settings 187 ## 188 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 189 ## be set in the port's Makefile. The port specific definitions for 190 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 191 ## depending on the value of DEBUG. 192 ## 193 # load lines for config "xxx" will be emitted as: 194 # xxx: ${SYSTEM_DEP} swapxxx.o 195 # ${SYSTEM_LD_HEAD} 196 # ${SYSTEM_LD} swapxxx.o 197 # ${SYSTEM_LD_TAIL} 198 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 199 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 200 SYSTEM_LD_HEAD?=@rm -f $@ 201 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 202 ${_MKSHECHO}\ 203 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 204 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 205 SYSTEM_LD_TAIL?=@sed '/const char sccs/!d;s/.*@(.)//;s/\\.*//' vers.c; \ 206 ${SIZE} $@; chmod 755 $@ 207 208 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 209 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 210 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 211 ENTRYPOINT?= start 212 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 213 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 214 ${EXTRA_LINKFLAGS} 215 216 LINKFLAGS_DEBUG?= -X 217 SYSTEM_LD_TAIL_DEBUG?=; \ 218 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 219 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 220 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 221 LINKFLAGS_NORMAL?= -S 222 STRIPFLAGS?= -g 223 224 DEBUG?= 225 .if !empty(DEBUG:M-g*) 226 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 227 LINKFLAGS+= ${LINKFLAGS_DEBUG} 228 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 229 .elifndef PROF 230 LINKFLAGS+= ${LINKFLAGS_NORMAL} 231 .endif 232 233 SYSTEM_LD_TAIL+=; \ 234 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 235 echo "${DBSYM} $@"; \ 236 ${DBSYM} $@; \ 237 fi 238 239 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 240 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 241 242 ## 243 ## (6) port independent targets and dependencies: assym.h, vers.o 244 ## 245 .if !target(assym.h) 246 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 247 ${_MKTARGET_CREATE} 248 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 249 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 250 > assym.h.tmp && \ 251 mv -f assym.h.tmp assym.h 252 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 253 .endif 254 255 .if !target(vers.o) 256 newvers: vers.o 257 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 258 ${_MKMSG_CREATE} vers.c 259 ${HOST_SH} $S/conf/newvers.sh 260 ${_MKTARGET_COMPILE} 261 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 262 .endif 263 264 .if !target(config_time.h) 265 BUILDSYMLINKS+= config_time.src config_time.h 266 .endif 267 268 .if defined(MEMORY_DISK_IMAGE) 269 md_root_image.h: ${MEMORY_DISK_IMAGE} 270 ${_MKTARGET_CREATE} 271 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 272 273 # XXX This is only needed when building md_root.o 274 CPPFLAGS+= -DMEMORY_DISK_IMAGE 275 md_root.o: md_root_image.h 276 .endif 277 278 # depend on MEMORY_DISK_IMAGE configuration 279 md_root.o: Makefile 280 281 # depend on root or device configuration 282 autoconf.o conf.o: Makefile 283 284 # depend on network or filesystem configuration 285 uipc_proto.o vfs_conf.o: Makefile 286 287 # depend on maxusers and CPU configuration 288 assym.h machdep.o: Makefile 289 290 ## 291 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 292 ## cscope, mkid 293 ## 294 ## Any ports that have other stuff to be cleaned up should fill in 295 ## EXTRA_CLEAN. Some ports may want different settings for 296 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 297 ## 298 .if !target(__CLEANKERNEL) 299 __CLEANKERNEL: .USE 300 ${_MKMSG} "${.TARGET}ing the kernel objects" 301 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 302 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 303 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 304 .endif 305 306 .if !target(kernelnames) 307 kernelnames: 308 @echo "${KERNELS} ${EXTRA_KERNELS}" 309 .endif 310 311 .if !target(__CLEANDEPEND) 312 __CLEANDEPEND: .USE 313 echo .depend ${DEPS} | xargs rm -f -- 314 .endif 315 316 # do not !target these, the kern and compat Makefiles augment them 317 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 318 clean: __CLEANKERNEL 319 depend: .depend 320 dependall: depend .WAIT all 321 322 .if !target(.depend) 323 MKDEP_AFLAGS?= ${AFLAGS} 324 MKDEP_CFLAGS?= ${CFLAGS} 325 SSRCS=${MD_SFILES} ${SFILES} 326 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 327 SRCS=${SSRCS} ${CSRCS} 328 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 329 330 .for _s in ${SSRCS} 331 ${_s:T:R}.d: ${_s} assym.h 332 ${_MKTARGET_CREATE} 333 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 334 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 335 .endfor 336 .for _s in ${CSRCS} 337 ${_s:T:R}.d: ${_s} 338 ${_MKTARGET_CREATE} 339 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 340 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 341 .endfor 342 343 assym.d: assym.h 344 ${_MKTARGET_CREATE} 345 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 346 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 347 ${CFLAGS} ${CPPFLAGS} 348 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 349 rm -f assym.dep 350 351 DEPS+= assym.d 352 353 .depend: ${DEPS} 354 ${_MKTARGET_CREATE} 355 echo "${.ALLSRC}" | ${MKDEP} -D 356 .endif 357 358 .if !target(lint) 359 ALLSFILES?= ${MD_SFILES} ${SFILES} 360 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 361 KERNLINTFLAGS?= -bcehnxzFS 362 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 363 364 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 365 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 366 367 .for _sfile in ${ALLSFILES} 368 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 369 ${_MKTARGET_COMPILE} 370 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 371 awk -f $S/kern/genlintstub.awk >${.TARGET} 372 .endfor 373 374 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 375 ${_cfile:T:R}.ln: ${_cfile} 376 ${_MKTARGET_COMPILE} 377 ${NORMAL_LN} 378 .endfor 379 380 lint: ${LOBJS} 381 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 382 .endif 383 384 # Attempt to do a syntax-only compile of the entire kernel as one entity. 385 # Alas, bugs in the GCC C frontend prevent this from completely effective 386 # but information can be gleaned from the output. 387 syntax-only: ${CFILES} ${MD_CFILES} 388 ${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \ 389 ${CFILES} ${MD_CFILES} 390 391 # List of kernel images that will be installed into the root file system. 392 # Some platforms may need to install more than one (e.g. a netbsd.aout file 393 # to be loaded directly by the firmware), so this can be overriden by them. 394 KERNIMAGES?= netbsd 395 396 .if !target(install) 397 # The install target can be redefined by putting a 398 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 399 MACHINE_NAME!= uname -n 400 install: install-kernel-${MACHINE_NAME} 401 .if !target(install-kernel-${MACHINE_NAME}) 402 install-kernel-${MACHINE_NAME}: 403 .for _K in ${KERNIMAGES} 404 rm -f ${DESTDIR}/o${_K} 405 ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K} 406 cp ${_K} ${DESTDIR}/n${_K} 407 mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K} 408 .endfor 409 .endif 410 .endif 411 412 .if !target(tags) 413 tags: 414 @echo "see $S/kern/Makefile for tags" 415 .endif 416 417 EXTRA_CLEAN+= cscope.out cscope.tmp 418 .if !target(cscope.out) 419 cscope.out: Makefile depend 420 ${_MKTARGET_CREATE} 421 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 422 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 423 cscope.tmp 424 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 425 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 426 cscope.tmp 427 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 428 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 429 # cscope doesn't write cscope.out if it's uptodate, so ensure 430 # make doesn't keep calling cscope when not needed. 431 @rm -f cscope.tmp; touch cscope.out 432 .endif 433 434 .if !target(cscope) 435 cscope: cscope.out 436 @${CSCOPE} -d 437 .endif 438 439 EXTRA_CLEAN+= ID 440 .if !target(mkid) 441 .PHONY: mkid 442 mkid: ID 443 444 ID: Makefile depend 445 ${_MKTARGET_CREATE} 446 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 447 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 448 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 449 | sort -u` 450 451 .endif 452 453 .include "${S}/gdbscripts/Makefile.inc" 454 455 EXTRA_CLEAN+= .gdbinit 456 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 457 ${_MKTARGET_CREATE} 458 rm -f .gdbinit 459 .for __gdbinit in ${SYS_GDBINIT} 460 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 461 .endfor 462 .if defined(GDBINIT) && !empty(GDBINIT) 463 .for __gdbinit in ${GDBINIT} 464 echo "source ${__gdbinit}" >> .gdbinit 465 .endfor 466 .endif 467 468 # The following files use alloca(3) or variable array allocations. 469 # Their full name is noted as documentation. 470 VARSTACK=dev/cgd.c kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \ 471 nfs/nfs_bio.c uvm/uvm_bio.c \ 472 uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c \ 473 dev/ofw/ofw_subr.c 474 475 . if (defined(HAVE_GCC) && ${HAVE_GCC} > 3) || defined(HAVE_PCC) 476 .for __varstack in ${VARSTACK} 477 COPTS.${__varstack:T} += -Wno-stack-protector 478 .endfor 479 .endif 480 481 AFLAGS+= ${AOPTS.${.IMPSRC:T}} 482 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 483 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 484 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 485 486 .include <bsd.files.mk> 487 488 ## 489 ## the end 490 ## 491
Indexes created Fri Oct 31 11:10:07 GMT 2025