Makefile.kern.inc revision 1.87
1 # $NetBSD: Makefile.kern.inc,v 1.87 2006/10/04 16:03:01 christos 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" 78 CWARNFLAGS+= -Wextra -Wno-unused 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 we want the bpendtsleep: label in kern_synch.c, we need to use 93 # -fno-reorder-blocks. Don't make this a config(1) defflag without 94 # making sure this fragment remains valid. 95 .if ${HAVE_GCC} > 3 && !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL}) 96 CFLAGS.kern_synch.c+= -fno-reorder-blocks 97 .endif 98 99 # Use the per-source COPTS variables to add -g to just those 100 # files that match the shell patterns given in ${DEBUGLIST} 101 # 102 .for i in ${DEBUGLIST} 103 . for j in ${CFILES:T:M$i.c} 104 COPTS.${j}+=-g 105 . endfor 106 .endfor 107 108 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 109 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 110 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 111 ${_MKSHECHO}\ 112 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 113 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 114 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 115 ${_MKSHECHO}\ 116 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 117 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 118 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 119 ${_MKSHECHO}\ 120 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 121 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 122 123 ## 124 ## (3) libkern and compat 125 ## 126 ## Set KERN_AS in the port Makefile to "obj" or "library". The 127 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 128 ## 129 130 ### find out what to use for libkern 131 .include "$S/lib/libkern/Makefile.inc" 132 .ifndef PROF 133 LIBKERN?= ${KERNLIB} 134 .else 135 LIBKERN?= ${KERNLIB_PROF} 136 .endif 137 138 LIBKERNLN?= ${KERNLIBLN} 139 140 ### find out what to use for libcompat 141 .include "$S/compat/common/Makefile.inc" 142 .ifndef PROF 143 SYSLIBCOMPAT?= ${COMPATLIB} 144 .else 145 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 146 .endif 147 148 SYSLIBCOMPATLN?= ${COMPATLIBLN} 149 150 ## 151 ## (4) local objects, compile rules, and dependencies 152 ## 153 ## Each port should have a corresponding section with settings for 154 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 155 ## 156 MI_CFILES=devsw.c ioconf.c param.c 157 # the need for a MI_SFILES variable is dubitable at best 158 MI_OBJS=${MI_CFILES:S/.c/.o/} 159 160 param.c: $S/conf/param.c 161 ${_MKTARGET_CREATE} 162 rm -f param.c 163 cp $S/conf/param.c . 164 165 param.o: Makefile 166 167 .for _cfile in ${MI_CFILES} 168 ${_cfile:T:R}.o: ${_cfile} 169 ${NORMAL_C} 170 .endfor 171 172 ## 173 ## (5) link settings 174 ## 175 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 176 ## be set in the port's Makefile. The port specific definitions for 177 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 178 ## depending on the value of DEBUG. 179 ## 180 # load lines for config "xxx" will be emitted as: 181 # xxx: ${SYSTEM_DEP} swapxxx.o 182 # ${SYSTEM_LD_HEAD} 183 # ${SYSTEM_LD} swapxxx.o 184 # ${SYSTEM_LD_TAIL} 185 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 186 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 187 SYSTEM_LD_HEAD?=@rm -f $@ 188 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 189 ${_MKSHECHO}\ 190 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 191 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 192 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 193 194 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 195 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 196 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 197 ENTRYPOINT?= start 198 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 199 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 200 ${EXTRA_LINKFLAGS} 201 202 LINKFLAGS_DEBUG?= -X 203 SYSTEM_LD_TAIL_DEBUG?=; \ 204 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 205 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 206 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 207 LINKFLAGS_NORMAL?= -S 208 STRIPFLAGS?= -g 209 210 DEBUG?= 211 .if !empty(DEBUG:M-g*) 212 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 213 LINKFLAGS+= ${LINKFLAGS_DEBUG} 214 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 215 .elifndef PROF 216 LINKFLAGS+= ${LINKFLAGS_NORMAL} 217 .endif 218 219 SYSTEM_LD_TAIL+=; \ 220 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 221 echo "${DBSYM} $@"; \ 222 ${DBSYM} $@; \ 223 fi 224 225 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 226 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 227 228 ## 229 ## (6) port independent targets and dependencies: assym.h, vers.o 230 ## 231 .if !target(assym.h) 232 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 233 ${_MKTARGET_CREATE} 234 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 235 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 236 > assym.h.tmp && \ 237 mv -f assym.h.tmp assym.h 238 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 239 .endif 240 241 .if !target(vers.o) 242 newvers: vers.o 243 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 244 ${_MKMSG_CREATE} vers.c 245 ${HOST_SH} $S/conf/newvers.sh 246 ${_MKTARGET_COMPILE} 247 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 248 .endif 249 250 .if !target(config_time.h) 251 EXTRA_CLEAN+= config_time.h 252 config_time.h: Makefile 253 ${_MKTARGET_CREATE} 254 cp config_time.src config_time.h 255 .endif 256 257 .if defined(MEMORY_DISK_IMAGE) 258 md_root_image.h: ${MEMORY_DISK_IMAGE} 259 ${_MKTARGET_CREATE} 260 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 261 262 # XXX This is only needed when building md_root.o 263 CPPFLAGS+= -DMEMORY_DISK_IMAGE 264 md_root.o: md_root_image.h 265 .endif 266 267 # depend on MEMORY_DISK_IMAGE configuration 268 md_root.o: Makefile 269 270 # depend on root or device configuration 271 autoconf.o conf.o: Makefile 272 273 # depend on network or filesystem configuration 274 uipc_proto.o vfs_conf.o: Makefile 275 276 # depend on maxusers and CPU configuration 277 assym.h machdep.o: Makefile 278 279 ## 280 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 281 ## cscope, mkid 282 ## 283 ## Any ports that have other stuff to be cleaned up should fill in 284 ## EXTRA_CLEAN. Some ports may want different settings for 285 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 286 ## 287 .if !target(__CLEANKERNEL) 288 __CLEANKERNEL: .USE 289 ${_MKMSG} "${.TARGET}ing the kernel objects" 290 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 291 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 292 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 293 .endif 294 295 .if !target(kernelnames) 296 kernelnames: 297 @echo "${KERNELS} ${EXTRA_KERNELS}" 298 .endif 299 300 .if !target(__CLEANDEPEND) 301 __CLEANDEPEND: .USE 302 echo .depend ${DEPS} | xargs rm -f -- 303 .endif 304 305 # do not !target these, the kern and compat Makefiles augment them 306 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 307 clean: __CLEANKERNEL 308 depend: .depend 309 dependall: depend all 310 311 .if !target(.depend) 312 MKDEP_AFLAGS?= ${AFLAGS} 313 MKDEP_CFLAGS?= ${CFLAGS} 314 SSRCS=${MD_SFILES} ${SFILES} 315 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 316 SRCS=${SSRCS} ${CSRCS} 317 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 318 319 .for _s in ${SSRCS} 320 ${_s:T:R}.d: ${_s} assym.h config_time.h 321 ${_MKTARGET_CREATE} 322 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 323 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 324 .endfor 325 .for _s in ${CSRCS} 326 ${_s:T:R}.d: ${_s} config_time.h 327 ${_MKTARGET_CREATE} 328 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 329 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 330 .endfor 331 332 assym.d: assym.h config_time.h 333 ${_MKTARGET_CREATE} 334 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 335 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 336 ${CFLAGS} ${CPPFLAGS} 337 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 338 rm -f assym.dep 339 340 .depend: ${DEPS} assym.d 341 ${_MKTARGET_CREATE} 342 echo "${.ALLSRC}" | ${MKDEP} -D 343 .endif 344 345 .if !target(lint) 346 ALLSFILES?= ${MD_SFILES} ${SFILES} 347 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 348 KERNLINTFLAGS?= -bcehnxzFS 349 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 350 351 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 352 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 353 354 .for _sfile in ${ALLSFILES} 355 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 356 ${_MKTARGET_COMPILE} 357 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 358 awk -f $S/kern/genlintstub.awk >${.TARGET} 359 .endfor 360 361 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 362 ${_cfile:T:R}.ln: ${_cfile} 363 ${_MKTARGET_COMPILE} 364 ${NORMAL_LN} 365 .endfor 366 367 lint: ${LOBJS} 368 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 369 .endif 370 371 .if !target(install) 372 # The install target can be redefined by putting a 373 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 374 MACHINE_NAME!= uname -n 375 install: install-kernel-${MACHINE_NAME} 376 .if !target(install-kernel-${MACHINE_NAME}) 377 install-kernel-${MACHINE_NAME}: 378 rm -f ${DESTDIR}/onetbsd 379 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 380 cp netbsd ${DESTDIR}/nnetbsd 381 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 382 .endif 383 .endif 384 385 .if !target(tags) 386 tags: 387 @echo "see $S/kern/Makefile for tags" 388 .endif 389 390 EXTRA_CLEAN+= cscope.out cscope.tmp 391 .if !target(cscope.out) 392 cscope.out: Makefile depend 393 ${_MKTARGET_CREATE} 394 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 395 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 396 cscope.tmp 397 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 398 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 399 cscope.tmp 400 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 401 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 402 # cscope doesn't write cscope.out if it's uptodate, so ensure 403 # make doesn't keep calling cscope when not needed. 404 @rm -f cscope.tmp; touch cscope.out 405 .endif 406 407 .if !target(cscope) 408 cscope: cscope.out 409 @${CSCOPE} -d 410 .endif 411 412 EXTRA_CLEAN+= ID 413 .if !target(mkid) 414 .PHONY: mkid 415 mkid: ID 416 417 ID: Makefile depend 418 ${_MKTARGET_CREATE} 419 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 420 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 421 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 422 | sort -u` 423 424 .endif 425 426 .include "${S}/gdbscripts/Makefile.inc" 427 428 EXTRA_CLEAN+= .gdbinit 429 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 430 ${_MKTARGET_CREATE} 431 rm -f .gdbinit 432 .for __gdbinit in ${SYS_GDBINIT} 433 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 434 .endfor 435 .if defined(GDBINIT) && !empty(GDBINIT) 436 .for __gdbinit in ${GDBINIT} 437 echo "source ${__gdbinit}" >> .gdbinit 438 .endfor 439 .endif 440 441 AFLAGS+= ${AOPTS.${.IMPSRC:T}} 442 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 443 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 444 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 445 446 ## 447 ## the end 448 ## 449
Indexes created Sun Nov 02 07:10:05 GMT 2025