Makefile.kern.inc revision 1.86
1 # $NetBSD: Makefile.kern.inc,v 1.86 2006/09/11 03:12:48 matt 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 . endif 78 .endif 79 80 CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss 81 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 82 AFLAGS+= ${CPUFLAGS} -D_LOCORE -Wa,-fatal-warnings 83 84 # XXX 85 .if ${HAVE_GCC} > 3 86 CFLAGS+= -fno-strict-aliasing 87 .endif 88 89 # If we want the bpendtsleep: label in kern_synch.c, we need to use 90 # -fno-reorder-blocks. Don't make this a config(1) defflag without 91 # making sure this fragment remains valid. 92 .if ${HAVE_GCC} > 3 && !empty(${CFLAGS:M-DKERN_SYNCH_BPENDTSLEEP_LABEL}) 93 CFLAGS.kern_synch.c+= -fno-reorder-blocks 94 .endif 95 96 # Use the per-source COPTS variables to add -g to just those 97 # files that match the shell patterns given in ${DEBUGLIST} 98 # 99 .for i in ${DEBUGLIST} 100 .for j in ${CFILES:T:M$i.c} 101 COPTS.${j}+=-g 102 .endfor 103 .endfor 104 105 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 106 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 107 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 108 ${_MKSHECHO}\ 109 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 110 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 111 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 112 ${_MKSHECHO}\ 113 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 114 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 115 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 116 ${_MKSHECHO}\ 117 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 118 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 119 120 ## 121 ## (3) libkern and compat 122 ## 123 ## Set KERN_AS in the port Makefile to "obj" or "library". The 124 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 125 ## 126 127 ### find out what to use for libkern 128 .include "$S/lib/libkern/Makefile.inc" 129 .ifndef PROF 130 LIBKERN?= ${KERNLIB} 131 .else 132 LIBKERN?= ${KERNLIB_PROF} 133 .endif 134 135 LIBKERNLN?= ${KERNLIBLN} 136 137 ### find out what to use for libcompat 138 .include "$S/compat/common/Makefile.inc" 139 .ifndef PROF 140 SYSLIBCOMPAT?= ${COMPATLIB} 141 .else 142 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 143 .endif 144 145 SYSLIBCOMPATLN?= ${COMPATLIBLN} 146 147 ## 148 ## (4) local objects, compile rules, and dependencies 149 ## 150 ## Each port should have a corresponding section with settings for 151 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 152 ## 153 MI_CFILES=devsw.c ioconf.c param.c 154 # the need for a MI_SFILES variable is dubitable at best 155 MI_OBJS=${MI_CFILES:S/.c/.o/} 156 157 param.c: $S/conf/param.c 158 ${_MKTARGET_CREATE} 159 rm -f param.c 160 cp $S/conf/param.c . 161 162 param.o: Makefile 163 164 .for _cfile in ${MI_CFILES} 165 ${_cfile:T:R}.o: ${_cfile} 166 ${NORMAL_C} 167 .endfor 168 169 ## 170 ## (5) link settings 171 ## 172 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 173 ## be set in the port's Makefile. The port specific definitions for 174 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 175 ## depending on the value of DEBUG. 176 ## 177 # load lines for config "xxx" will be emitted as: 178 # xxx: ${SYSTEM_DEP} swapxxx.o 179 # ${SYSTEM_LD_HEAD} 180 # ${SYSTEM_LD} swapxxx.o 181 # ${SYSTEM_LD_TAIL} 182 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 183 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 184 SYSTEM_LD_HEAD?=@rm -f $@ 185 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 186 ${_MKSHECHO}\ 187 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 188 ${LD} -Map $@.map --cref ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 189 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 190 191 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 192 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 193 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 194 ENTRYPOINT?= start 195 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 196 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 197 ${EXTRA_LINKFLAGS} 198 199 LINKFLAGS_DEBUG?= -X 200 SYSTEM_LD_TAIL_DEBUG?=; \ 201 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 202 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 203 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 204 LINKFLAGS_NORMAL?= -S 205 STRIPFLAGS?= -g 206 207 DEBUG?= 208 .if !empty(DEBUG:M-g*) 209 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 210 LINKFLAGS+= ${LINKFLAGS_DEBUG} 211 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 212 .elifndef PROF 213 LINKFLAGS+= ${LINKFLAGS_NORMAL} 214 .endif 215 216 SYSTEM_LD_TAIL+=; \ 217 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 218 echo "${DBSYM} $@"; \ 219 ${DBSYM} $@; \ 220 fi 221 222 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 223 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 224 225 ## 226 ## (6) port independent targets and dependencies: assym.h, vers.o 227 ## 228 .if !target(assym.h) 229 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 230 ${_MKTARGET_CREATE} 231 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 232 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 233 > assym.h.tmp && \ 234 mv -f assym.h.tmp assym.h 235 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 236 .endif 237 238 .if !target(vers.o) 239 newvers: vers.o 240 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 241 ${_MKMSG_CREATE} vers.c 242 ${HOST_SH} $S/conf/newvers.sh 243 ${_MKTARGET_COMPILE} 244 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 245 .endif 246 247 .if !target(config_time.h) 248 EXTRA_CLEAN+= config_time.h 249 config_time.h: Makefile 250 ${_MKTARGET_CREATE} 251 cp config_time.src config_time.h 252 .endif 253 254 .if defined(MEMORY_DISK_IMAGE) 255 md_root_image.h: ${MEMORY_DISK_IMAGE} 256 ${_MKTARGET_CREATE} 257 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 258 259 # XXX This is only needed when building md_root.o 260 CPPFLAGS+= -DMEMORY_DISK_IMAGE 261 md_root.o: md_root_image.h 262 .endif 263 264 # depend on MEMORY_DISK_IMAGE configuration 265 md_root.o: Makefile 266 267 # depend on root or device configuration 268 autoconf.o conf.o: Makefile 269 270 # depend on network or filesystem configuration 271 uipc_proto.o vfs_conf.o: Makefile 272 273 # depend on maxusers and CPU configuration 274 assym.h machdep.o: Makefile 275 276 ## 277 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 278 ## cscope, mkid 279 ## 280 ## Any ports that have other stuff to be cleaned up should fill in 281 ## EXTRA_CLEAN. Some ports may want different settings for 282 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 283 ## 284 .if !target(__CLEANKERNEL) 285 __CLEANKERNEL: .USE 286 ${_MKMSG} "${.TARGET}ing the kernel objects" 287 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 288 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 289 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 290 .endif 291 292 .if !target(kernelnames) 293 kernelnames: 294 @echo "${KERNELS} ${EXTRA_KERNELS}" 295 .endif 296 297 .if !target(__CLEANDEPEND) 298 __CLEANDEPEND: .USE 299 echo .depend ${DEPS} | xargs rm -f -- 300 .endif 301 302 # do not !target these, the kern and compat Makefiles augment them 303 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 304 clean: __CLEANKERNEL 305 depend: .depend 306 dependall: depend all 307 308 .if !target(.depend) 309 MKDEP_AFLAGS?= ${AFLAGS} 310 MKDEP_CFLAGS?= ${CFLAGS} 311 SSRCS=${MD_SFILES} ${SFILES} 312 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 313 SRCS=${SSRCS} ${CSRCS} 314 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 315 316 .for _s in ${SSRCS} 317 ${_s:T:R}.d: ${_s} assym.h config_time.h 318 ${_MKTARGET_CREATE} 319 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 320 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 321 .endfor 322 .for _s in ${CSRCS} 323 ${_s:T:R}.d: ${_s} config_time.h 324 ${_MKTARGET_CREATE} 325 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 326 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 327 .endfor 328 329 assym.d: assym.h config_time.h 330 ${_MKTARGET_CREATE} 331 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 332 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 333 ${CFLAGS} ${CPPFLAGS} 334 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 335 rm -f assym.dep 336 337 .depend: ${DEPS} assym.d 338 ${_MKTARGET_CREATE} 339 echo "${.ALLSRC}" | ${MKDEP} -D 340 .endif 341 342 .if !target(lint) 343 ALLSFILES?= ${MD_SFILES} ${SFILES} 344 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 345 KERNLINTFLAGS?= -bcehnxzFS 346 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 347 348 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 349 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 350 351 .for _sfile in ${ALLSFILES} 352 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 353 ${_MKTARGET_COMPILE} 354 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 355 awk -f $S/kern/genlintstub.awk >${.TARGET} 356 .endfor 357 358 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 359 ${_cfile:T:R}.ln: ${_cfile} 360 ${_MKTARGET_COMPILE} 361 ${NORMAL_LN} 362 .endfor 363 364 lint: ${LOBJS} 365 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 366 .endif 367 368 .if !target(install) 369 # The install target can be redefined by putting a 370 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 371 MACHINE_NAME!= uname -n 372 install: install-kernel-${MACHINE_NAME} 373 .if !target(install-kernel-${MACHINE_NAME}) 374 install-kernel-${MACHINE_NAME}: 375 rm -f ${DESTDIR}/onetbsd 376 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 377 cp netbsd ${DESTDIR}/nnetbsd 378 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 379 .endif 380 .endif 381 382 .if !target(tags) 383 tags: 384 @echo "see $S/kern/Makefile for tags" 385 .endif 386 387 EXTRA_CLEAN+= cscope.out cscope.tmp 388 .if !target(cscope.out) 389 cscope.out: Makefile depend 390 ${_MKTARGET_CREATE} 391 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 392 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 393 cscope.tmp 394 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 395 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 396 cscope.tmp 397 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 398 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 399 # cscope doesn't write cscope.out if it's uptodate, so ensure 400 # make doesn't keep calling cscope when not needed. 401 @rm -f cscope.tmp; touch cscope.out 402 .endif 403 404 .if !target(cscope) 405 cscope: cscope.out 406 @${CSCOPE} -d 407 .endif 408 409 EXTRA_CLEAN+= ID 410 .if !target(mkid) 411 .PHONY: mkid 412 mkid: ID 413 414 ID: Makefile depend 415 ${_MKTARGET_CREATE} 416 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 417 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 418 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 419 | sort -u` 420 421 .endif 422 423 .include "${S}/gdbscripts/Makefile.inc" 424 425 EXTRA_CLEAN+= .gdbinit 426 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 427 ${_MKTARGET_CREATE} 428 rm -f .gdbinit 429 .for __gdbinit in ${SYS_GDBINIT} 430 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 431 .endfor 432 .if defined(GDBINIT) && !empty(GDBINIT) 433 .for __gdbinit in ${GDBINIT} 434 echo "source ${__gdbinit}" >> .gdbinit 435 .endfor 436 .endif 437 438 AFLAGS+= ${AOPTS.${.IMPSRC:T}} 439 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 440 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 441 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 442 443 ## 444 ## the end 445 ## 446
Indexes created Fri Oct 31 11:10:07 GMT 2025