Makefile.kern.inc revision 1.79
1 # $NetBSD: Makefile.kern.inc,v 1.79 2006/05/20 00:47:27 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 _ISGCC295!= ${CC} --version 2>/dev/null | grep 2.95 2>/dev/null || echo 0 58 INCLUDES?= -I. ${EXTRA_INCLUDES} -I${S}/../common/include -I$S/arch \ 59 -I$S -nostdinc 60 CPPFLAGS+= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D_KERNEL_OPT 61 DEFCOPTS?= -O2 62 COPTS?= ${DEFCOPTS} 63 DBG= # might contain unwanted -Ofoo 64 DEFWARNINGS?= yes 65 .if (${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 .if !${_ISGCC295} 72 CWARNFLAGS+= -Wreturn-type 73 .endif 74 CWARNFLAGS+= -Wswitch -Wshadow 75 CWARNFLAGS+= -Wcast-qual -Wwrite-strings 76 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 77 # but our sources aren't up for it yet. 78 CWARNFLAGS+= -Wno-sign-compare 79 . if ${HAVE_GCC} > 3 80 CWARNFLAGS+= -Wno-pointer-sign 81 . endif 82 .endif 83 84 CFLAGS+= -ffreestanding 85 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 86 AFLAGS+= ${CPUFLAGS} -D_LOCORE 87 88 # Disable unitialized warnings with 2.95 - it gets it wrong way too often 89 .if ${_ISGCC295} 90 CWARNFLAGS+= -Wno-uninitialized 91 .else 92 CFLAGS+= -fno-zero-initialized-in-bss 93 .endif 94 95 # XXX 96 .if ${HAVE_GCC} > 3 97 CFLAGS+= -fno-strict-aliasing 98 .endif 99 100 # Use the per-source COPTS variables to add -g to just those 101 # files that match the shell patterns given in ${DEBUGLIST} 102 # 103 .for i in ${DEBUGLIST} 104 .for j in ${CFILES:T:M$i.c} 105 COPTS.${j}+=-g 106 .endfor 107 .endfor 108 109 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 110 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 111 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 112 ${_MKSHECHO}\ 113 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 114 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 115 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 116 ${_MKSHECHO}\ 117 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 118 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 119 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 120 ${_MKSHECHO}\ 121 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 122 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 123 124 ## 125 ## (3) libkern and compat 126 ## 127 ## Set KERN_AS in the port Makefile to "obj" or "library". The 128 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 129 ## 130 131 ### find out what to use for libkern 132 .include "$S/lib/libkern/Makefile.inc" 133 .ifndef PROF 134 LIBKERN?= ${KERNLIB} 135 .else 136 LIBKERN?= ${KERNLIB_PROF} 137 .endif 138 139 LIBKERNLN?= ${KERNLIBLN} 140 141 ### find out what to use for libcompat 142 .include "$S/compat/common/Makefile.inc" 143 .ifndef PROF 144 SYSLIBCOMPAT?= ${COMPATLIB} 145 .else 146 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 147 .endif 148 149 SYSLIBCOMPATLN?= ${COMPATLIBLN} 150 151 ## 152 ## (4) local objects, compile rules, and dependencies 153 ## 154 ## Each port should have a corresponding section with settings for 155 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 156 ## 157 MI_CFILES=devsw.c ioconf.c param.c 158 # the need for a MI_SFILES variable is dubitable at best 159 MI_OBJS=${MI_CFILES:S/.c/.o/} 160 161 param.c: $S/conf/param.c 162 ${_MKTARGET_CREATE} 163 rm -f param.c 164 cp $S/conf/param.c . 165 166 param.o: Makefile 167 168 .for _cfile in ${MI_CFILES} 169 ${_cfile:T:R}.o: ${_cfile} 170 ${NORMAL_C} 171 .endfor 172 173 ## 174 ## (5) link settings 175 ## 176 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 177 ## be set in the port's Makefile. The port specific definitions for 178 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 179 ## depending on the value of DEBUG. 180 ## 181 # load lines for config "xxx" will be emitted as: 182 # xxx: ${SYSTEM_DEP} swapxxx.o 183 # ${SYSTEM_LD_HEAD} 184 # ${SYSTEM_LD} swapxxx.o 185 # ${SYSTEM_LD_TAIL} 186 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 187 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 188 SYSTEM_LD_HEAD?=@rm -f $@ 189 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 190 ${_MKSHECHO}\ 191 ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 192 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 193 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 194 195 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 196 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 197 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 198 ENTRYPOINT?= start 199 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 200 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 201 ${EXTRA_LINKFLAGS} 202 203 LINKFLAGS_DEBUG?= -X 204 SYSTEM_LD_TAIL_DEBUG?=; \ 205 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 206 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 207 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 208 LINKFLAGS_NORMAL?= -S 209 STRIPFLAGS?= -g 210 211 DEBUG?= 212 .if !empty(DEBUG:M-g*) 213 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 214 LINKFLAGS+= ${LINKFLAGS_DEBUG} 215 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 216 .elifndef PROF 217 LINKFLAGS+= ${LINKFLAGS_NORMAL} 218 .endif 219 220 SYSTEM_LD_TAIL+=; \ 221 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 222 echo "${DBSYM} $@"; \ 223 ${DBSYM} $@; \ 224 fi 225 226 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 227 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 228 229 ## 230 ## (6) port independent targets and dependencies: assym.h, vers.o 231 ## 232 .if !target(assym.h) 233 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 234 ${_MKTARGET_CREATE} 235 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 236 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 237 > assym.h.tmp && \ 238 mv -f assym.h.tmp assym.h 239 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 240 .endif 241 242 .if !target(vers.o) 243 newvers: vers.o 244 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 245 ${_MKMSG_CREATE} vers.c 246 ${HOST_SH} $S/conf/newvers.sh 247 ${_MKTARGET_COMPILE} 248 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 249 .endif 250 251 .if !target(config_time.h) 252 EXTRA_CLEAN+= config_time.h 253 config_time.h: Makefile 254 ${_MKTARGET_CREATE} 255 cp config_time.src config_time.h 256 .endif 257 258 .if defined(MEMORY_DISK_IMAGE) 259 md_root_image.h: ${MEMORY_DISK_IMAGE} 260 ${_MKTARGET_CREATE} 261 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 262 263 # XXX This is only needed when building md_root.o 264 CPPFLAGS+= -DMEMORY_DISK_IMAGE 265 md_root.o: md_root_image.h 266 .endif 267 268 # depend on MEMORY_DISK_IMAGE configuration 269 md_root.o: Makefile 270 271 # depend on root or device configuration 272 autoconf.o conf.o: Makefile 273 274 # depend on network or filesystem configuration 275 uipc_proto.o vfs_conf.o: Makefile 276 277 # depend on maxusers and CPU configuration 278 assym.h machdep.o: Makefile 279 280 ## 281 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 282 ## cscope, mkid 283 ## 284 ## Any ports that have other stuff to be cleaned up should fill in 285 ## EXTRA_CLEAN. Some ports may want different settings for 286 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 287 ## 288 .if !target(__CLEANKERNEL) 289 __CLEANKERNEL: .USE 290 ${_MKMSG} "${.TARGET}ing the kernel objects" 291 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 292 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 293 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 294 .endif 295 296 .if !target(kernelnames) 297 kernelnames: 298 @echo "${KERNELS} ${EXTRA_KERNELS}" 299 .endif 300 301 .if !target(__CLEANDEPEND) 302 __CLEANDEPEND: .USE 303 echo .depend ${DEPS} | xargs rm -f -- 304 .endif 305 306 # do not !target these, the kern and compat Makefiles augment them 307 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 308 clean: __CLEANKERNEL 309 depend: .depend 310 dependall: depend all 311 312 .if !target(.depend) 313 MKDEP_AFLAGS?= ${AFLAGS} 314 MKDEP_CFLAGS?= ${CFLAGS} 315 SSRCS=${MD_SFILES} ${SFILES} 316 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 317 SRCS=${SSRCS} ${CSRCS} 318 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 319 320 .for _s in ${SSRCS} 321 ${_s:T:R}.d: ${_s} assym.h config_time.h 322 ${_MKTARGET_CREATE} 323 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 324 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 325 .endfor 326 .for _s in ${CSRCS} 327 ${_s:T:R}.d: ${_s} config_time.h 328 ${_MKTARGET_CREATE} 329 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 330 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 331 .endfor 332 333 assym.d: assym.h config_time.h 334 ${_MKTARGET_CREATE} 335 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 336 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 337 ${CFLAGS} ${CPPFLAGS} 338 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 339 rm -f assym.dep 340 341 .depend: ${DEPS} assym.d 342 ${_MKTARGET_CREATE} 343 echo "${.ALLSRC}" | ${MKDEP} -D 344 .endif 345 346 .if !target(lint) 347 ALLSFILES?= ${MD_SFILES} ${SFILES} 348 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 349 KERNLINTFLAGS?= -bcehnxzFS 350 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 351 352 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 353 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 354 355 .for _sfile in ${ALLSFILES} 356 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 357 ${_MKTARGET_COMPILE} 358 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 359 awk -f $S/kern/genlintstub.awk >${.TARGET} 360 .endfor 361 362 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 363 ${_cfile:T:R}.ln: ${_cfile} 364 ${_MKTARGET_COMPILE} 365 ${NORMAL_LN} 366 .endfor 367 368 lint: ${LOBJS} 369 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 370 .endif 371 372 .if !target(install) 373 # The install target can be redefined by putting a 374 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 375 MACHINE_NAME!= uname -n 376 install: install-kernel-${MACHINE_NAME} 377 .if !target(install-kernel-${MACHINE_NAME}) 378 install-kernel-${MACHINE_NAME}: 379 rm -f ${DESTDIR}/onetbsd 380 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 381 cp netbsd ${DESTDIR}/nnetbsd 382 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 383 .endif 384 .endif 385 386 .if !target(tags) 387 tags: 388 @echo "see $S/kern/Makefile for tags" 389 .endif 390 391 EXTRA_CLEAN+= cscope.out cscope.tmp 392 .if !target(cscope.out) 393 cscope.out: Makefile depend 394 ${_MKTARGET_CREATE} 395 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 396 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 397 cscope.tmp 398 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 399 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 400 cscope.tmp 401 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 402 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 403 # cscope doesn't write cscope.out if it's uptodate, so ensure 404 # make doesn't keep calling cscope when not needed. 405 @rm -f cscope.tmp; touch cscope.out 406 .endif 407 408 .if !target(cscope) 409 cscope: cscope.out 410 @${CSCOPE} -d 411 .endif 412 413 EXTRA_CLEAN+= ID 414 .if !target(mkid) 415 .PHONY: mkid 416 mkid: ID 417 418 ID: Makefile depend 419 ${_MKTARGET_CREATE} 420 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 421 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 422 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 423 | sort -u` 424 425 .endif 426 427 .include "${S}/gdbscripts/Makefile.inc" 428 429 EXTRA_CLEAN+= .gdbinit 430 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 431 ${_MKTARGET_CREATE} 432 rm -f .gdbinit 433 .for __gdbinit in ${SYS_GDBINIT} 434 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 435 .endfor 436 .if defined(GDBINIT) && !empty(GDBINIT) 437 .for __gdbinit in ${GDBINIT} 438 echo "source ${__gdbinit}" >> .gdbinit 439 .endfor 440 .endif 441 442 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 Sat Nov 01 05:10:12 GMT 2025