Makefile.kern.inc revision 1.68.2.4
1 # $NetBSD: Makefile.kern.inc,v 1.68.2.4 2007/09/03 14:33:04 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?= ${DEFCOPTS} 62 DBG= # might contain unwanted -Ofoo 63 DEFWARNINGS?= yes 64 .if (${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_FORT: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 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 114 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 115 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 116 ${_MKSHECHO}\ 117 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 118 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 119 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 120 ${_MKSHECHO}\ 121 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 122 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 123 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 124 ${_MKSHECHO}\ 125 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 126 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 127 128 ## 129 ## (3) libkern and compat 130 ## 131 ## Set KERN_AS in the port Makefile to "obj" or "library". The 132 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 133 ## 134 135 ### find out what to use for libkern 136 .include "$S/lib/libkern/Makefile.inc" 137 .ifndef PROF 138 LIBKERN?= ${KERNLIB} 139 .else 140 LIBKERN?= ${KERNLIB_PROF} 141 .endif 142 143 LIBKERNLN?= ${KERNLIBLN} 144 145 ### find out what to use for libcompat 146 .include "$S/compat/common/Makefile.inc" 147 .ifndef PROF 148 SYSLIBCOMPAT?= ${COMPATLIB} 149 .else 150 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 151 .endif 152 153 SYSLIBCOMPATLN?= ${COMPATLIBLN} 154 155 ## 156 ## (4) local objects, compile rules, and dependencies 157 ## 158 ## Each port should have a corresponding section with settings for 159 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 160 ## 161 MI_CFILES=devsw.c ioconf.c param.c 162 # the need for a MI_SFILES variable is dubitable at best 163 MI_OBJS=${MI_CFILES:S/.c/.o/} 164 165 param.c: $S/conf/param.c 166 ${_MKTARGET_CREATE} 167 rm -f param.c 168 cp $S/conf/param.c . 169 170 param.o: Makefile 171 172 .for _cfile in ${MI_CFILES} 173 ${_cfile:T:R}.o: ${_cfile} 174 ${NORMAL_C} 175 .endfor 176 177 ## 178 ## (5) link settings 179 ## 180 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 181 ## be set in the port's Makefile. The port specific definitions for 182 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 183 ## depending on the value of DEBUG. 184 ## 185 # load lines for config "xxx" will be emitted as: 186 # xxx: ${SYSTEM_DEP} swapxxx.o 187 # ${SYSTEM_LD_HEAD} 188 # ${SYSTEM_LD} swapxxx.o 189 # ${SYSTEM_LD_TAIL} 190 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 191 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 192 SYSTEM_LD_HEAD?=@rm -f $@ 193 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 194 ${_MKSHECHO}\ 195 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 196 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 197 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 198 199 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 200 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 201 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 202 ENTRYPOINT?= start 203 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 204 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 205 ${EXTRA_LINKFLAGS} 206 207 LINKFLAGS_DEBUG?= -X 208 SYSTEM_LD_TAIL_DEBUG?=; \ 209 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 210 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 211 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 212 LINKFLAGS_NORMAL?= -S 213 STRIPFLAGS?= -g 214 215 DEBUG?= 216 .if !empty(DEBUG:M-g*) 217 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 218 LINKFLAGS+= ${LINKFLAGS_DEBUG} 219 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 220 .elifndef PROF 221 LINKFLAGS+= ${LINKFLAGS_NORMAL} 222 .endif 223 224 SYSTEM_LD_TAIL+=; \ 225 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 226 echo "${DBSYM} $@"; \ 227 ${DBSYM} $@; \ 228 fi 229 230 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 231 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 232 233 ## 234 ## (6) port independent targets and dependencies: assym.h, vers.o 235 ## 236 .if !target(assym.h) 237 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 238 ${_MKTARGET_CREATE} 239 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 240 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 241 > assym.h.tmp && \ 242 mv -f assym.h.tmp assym.h 243 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 244 .endif 245 246 .if !target(vers.o) 247 newvers: vers.o 248 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 249 ${_MKMSG_CREATE} vers.c 250 ${HOST_SH} $S/conf/newvers.sh 251 ${_MKTARGET_COMPILE} 252 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 253 .endif 254 255 .if !target(config_time.h) 256 EXTRA_CLEAN+= config_time.h 257 config_time.h: Makefile 258 ${_MKTARGET_CREATE} 259 cp config_time.src config_time.h 260 .endif 261 262 .if defined(MEMORY_DISK_IMAGE) 263 md_root_image.h: ${MEMORY_DISK_IMAGE} 264 ${_MKTARGET_CREATE} 265 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 266 267 # XXX This is only needed when building md_root.o 268 CPPFLAGS+= -DMEMORY_DISK_IMAGE 269 md_root.o: md_root_image.h 270 .endif 271 272 # depend on MEMORY_DISK_IMAGE configuration 273 md_root.o: Makefile 274 275 # depend on root or device configuration 276 autoconf.o conf.o: Makefile 277 278 # depend on network or filesystem configuration 279 uipc_proto.o vfs_conf.o: Makefile 280 281 # depend on maxusers and CPU configuration 282 assym.h machdep.o: Makefile 283 284 ## 285 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 286 ## cscope, mkid 287 ## 288 ## Any ports that have other stuff to be cleaned up should fill in 289 ## EXTRA_CLEAN. Some ports may want different settings for 290 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 291 ## 292 .if !target(__CLEANKERNEL) 293 __CLEANKERNEL: .USE 294 ${_MKMSG} "${.TARGET}ing the kernel objects" 295 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 296 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 297 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 298 .endif 299 300 .if !target(kernelnames) 301 kernelnames: 302 @echo "${KERNELS} ${EXTRA_KERNELS}" 303 .endif 304 305 .if !target(__CLEANDEPEND) 306 __CLEANDEPEND: .USE 307 echo .depend ${DEPS} | xargs rm -f -- 308 .endif 309 310 # do not !target these, the kern and compat Makefiles augment them 311 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 312 clean: __CLEANKERNEL 313 depend: .depend 314 dependall: depend .WAIT all 315 316 .if !target(.depend) 317 MKDEP_AFLAGS?= ${AFLAGS} 318 MKDEP_CFLAGS?= ${CFLAGS} 319 SSRCS=${MD_SFILES} ${SFILES} 320 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 321 SRCS=${SSRCS} ${CSRCS} 322 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 323 324 .for _s in ${SSRCS} 325 ${_s:T:R}.d: ${_s} assym.h config_time.h 326 ${_MKTARGET_CREATE} 327 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 328 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 329 .endfor 330 .for _s in ${CSRCS} 331 ${_s:T:R}.d: ${_s} config_time.h 332 ${_MKTARGET_CREATE} 333 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 334 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 335 .endfor 336 337 assym.d: assym.h config_time.h 338 ${_MKTARGET_CREATE} 339 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 340 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 341 ${CFLAGS} ${CPPFLAGS} 342 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 343 rm -f assym.dep 344 345 .depend: ${DEPS} assym.d 346 ${_MKTARGET_CREATE} 347 echo "${.ALLSRC}" | ${MKDEP} -D 348 .endif 349 350 .if !target(lint) 351 ALLSFILES?= ${MD_SFILES} ${SFILES} 352 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 353 KERNLINTFLAGS?= -bcehnxzFS 354 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 355 356 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 357 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 358 359 .for _sfile in ${ALLSFILES} 360 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 361 ${_MKTARGET_COMPILE} 362 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 363 awk -f $S/kern/genlintstub.awk >${.TARGET} 364 .endfor 365 366 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 367 ${_cfile:T:R}.ln: ${_cfile} 368 ${_MKTARGET_COMPILE} 369 ${NORMAL_LN} 370 .endfor 371 372 lint: ${LOBJS} 373 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 374 .endif 375 376 # List of kernel images that will be installed into the root file system. 377 # Some platforms may need to install more than one (e.g. a netbsd.aout file 378 # to be loaded directly by the firmware), so this can be overriden by them. 379 KERNIMAGES?= netbsd 380 381 .if !target(install) 382 # The install target can be redefined by putting a 383 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 384 MACHINE_NAME!= uname -n 385 install: install-kernel-${MACHINE_NAME} 386 .if !target(install-kernel-${MACHINE_NAME}) 387 install-kernel-${MACHINE_NAME}: 388 .for _K in ${KERNIMAGES} 389 rm -f ${DESTDIR}/o${_K} 390 ln ${DESTDIR}/${_K} ${DESTDIR}/o${_K} 391 cp ${_K} ${DESTDIR}/n${_K} 392 mv ${DESTDIR}/n${_K} ${DESTDIR}/${_K} 393 .endfor 394 .endif 395 .endif 396 397 .if !target(tags) 398 tags: 399 @echo "see $S/kern/Makefile for tags" 400 .endif 401 402 EXTRA_CLEAN+= cscope.out cscope.tmp 403 .if !target(cscope.out) 404 cscope.out: Makefile depend 405 ${_MKTARGET_CREATE} 406 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 407 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 408 cscope.tmp 409 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 410 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 411 cscope.tmp 412 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 413 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 414 # cscope doesn't write cscope.out if it's uptodate, so ensure 415 # make doesn't keep calling cscope when not needed. 416 @rm -f cscope.tmp; touch cscope.out 417 .endif 418 419 .if !target(cscope) 420 cscope: cscope.out 421 @${CSCOPE} -d 422 .endif 423 424 EXTRA_CLEAN+= ID 425 .if !target(mkid) 426 .PHONY: mkid 427 mkid: ID 428 429 ID: Makefile depend 430 ${_MKTARGET_CREATE} 431 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 432 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 433 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 434 | sort -u` 435 436 .endif 437 438 .include "${S}/gdbscripts/Makefile.inc" 439 440 EXTRA_CLEAN+= .gdbinit 441 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 442 ${_MKTARGET_CREATE} 443 rm -f .gdbinit 444 .for __gdbinit in ${SYS_GDBINIT} 445 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 446 .endfor 447 .if defined(GDBINIT) && !empty(GDBINIT) 448 .for __gdbinit in ${GDBINIT} 449 echo "source ${__gdbinit}" >> .gdbinit 450 .endfor 451 .endif 452 453 # The following files use alloca(3) or variable array allocations. 454 # Their full name is noted as documentation. 455 VARSTACK=dev/cgd.c kern/uipc_socket.c miscfs/genfs/genfs_vnops.c \ 456 nfs/nfs_bio.c ufs/ufs/ufs_inode.c ufs/ufs/ufs_lookup.c uvm/uvm_bio.c \ 457 uvm/uvm_pager.c dev/ic/aic7xxx.c dev/ic/aic79xx.c arch/xen/i386/gdt.c 458 459 . if ${HAVE_GCC} > 3 460 .for __varstack in ${VARSTACK} 461 COPTS.${__varstack:T} += -Wno-stack-protector 462 .endfor 463 .endif 464 465 AFLAGS+= ${AOPTS.${.IMPSRC:T}} 466 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 467 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 468 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 469 470 ## 471 ## the end 472 ## 473
Indexes created Fri Oct 31 11:10:07 GMT 2025