Makefile.kern.inc revision 1.68.2.1
1 # $NetBSD: Makefile.kern.inc,v 1.68.2.1 2006/06/21 15:00:01 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 . endif 78 .endif 79 80 CFLAGS+= -ffreestanding -fno-zero-initialized-in-bss 81 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 82 AFLAGS+= ${CPUFLAGS} -D_LOCORE 83 84 # XXX 85 .if ${HAVE_GCC} > 3 86 CFLAGS+= -fno-strict-aliasing 87 .endif 88 89 # Use the per-source COPTS variables to add -g to just those 90 # files that match the shell patterns given in ${DEBUGLIST} 91 # 92 .for i in ${DEBUGLIST} 93 .for j in ${CFILES:T:M$i.c} 94 COPTS.${j}+=-g 95 .endfor 96 .endfor 97 98 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 99 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 100 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 101 ${_MKSHECHO}\ 102 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 103 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 104 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 105 ${_MKSHECHO}\ 106 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 107 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 108 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 109 ${_MKSHECHO}\ 110 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 111 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 112 113 ## 114 ## (3) libkern and compat 115 ## 116 ## Set KERN_AS in the port Makefile to "obj" or "library". The 117 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 118 ## 119 120 ### find out what to use for libkern 121 .include "$S/lib/libkern/Makefile.inc" 122 .ifndef PROF 123 LIBKERN?= ${KERNLIB} 124 .else 125 LIBKERN?= ${KERNLIB_PROF} 126 .endif 127 128 LIBKERNLN?= ${KERNLIBLN} 129 130 ### find out what to use for libcompat 131 .include "$S/compat/common/Makefile.inc" 132 .ifndef PROF 133 SYSLIBCOMPAT?= ${COMPATLIB} 134 .else 135 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 136 .endif 137 138 SYSLIBCOMPATLN?= ${COMPATLIBLN} 139 140 ## 141 ## (4) local objects, compile rules, and dependencies 142 ## 143 ## Each port should have a corresponding section with settings for 144 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 145 ## 146 MI_CFILES=devsw.c ioconf.c param.c 147 # the need for a MI_SFILES variable is dubitable at best 148 MI_OBJS=${MI_CFILES:S/.c/.o/} 149 150 param.c: $S/conf/param.c 151 ${_MKTARGET_CREATE} 152 rm -f param.c 153 cp $S/conf/param.c . 154 155 param.o: Makefile 156 157 .for _cfile in ${MI_CFILES} 158 ${_cfile:T:R}.o: ${_cfile} 159 ${NORMAL_C} 160 .endfor 161 162 ## 163 ## (5) link settings 164 ## 165 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 166 ## be set in the port's Makefile. The port specific definitions for 167 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 168 ## depending on the value of DEBUG. 169 ## 170 # load lines for config "xxx" will be emitted as: 171 # xxx: ${SYSTEM_DEP} swapxxx.o 172 # ${SYSTEM_LD_HEAD} 173 # ${SYSTEM_LD} swapxxx.o 174 # ${SYSTEM_LD_TAIL} 175 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 176 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ:O} .gdbinit 177 SYSTEM_LD_HEAD?=@rm -f $@ 178 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 179 ${_MKSHECHO}\ 180 ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 181 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 182 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 183 184 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 185 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 186 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 187 ENTRYPOINT?= start 188 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 189 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 190 ${EXTRA_LINKFLAGS} 191 192 LINKFLAGS_DEBUG?= -X 193 SYSTEM_LD_TAIL_DEBUG?=; \ 194 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 195 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 196 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 197 LINKFLAGS_NORMAL?= -S 198 STRIPFLAGS?= -g 199 200 DEBUG?= 201 .if !empty(DEBUG:M-g*) 202 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 203 LINKFLAGS+= ${LINKFLAGS_DEBUG} 204 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 205 .elifndef PROF 206 LINKFLAGS+= ${LINKFLAGS_NORMAL} 207 .endif 208 209 SYSTEM_LD_TAIL+=; \ 210 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 211 echo "${DBSYM} $@"; \ 212 ${DBSYM} $@; \ 213 fi 214 215 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 216 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 217 218 ## 219 ## (6) port independent targets and dependencies: assym.h, vers.o 220 ## 221 .if !target(assym.h) 222 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 223 ${_MKTARGET_CREATE} 224 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 225 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 226 > assym.h.tmp && \ 227 mv -f assym.h.tmp assym.h 228 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 229 .endif 230 231 .if !target(vers.o) 232 newvers: vers.o 233 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 234 ${_MKMSG_CREATE} vers.c 235 ${HOST_SH} $S/conf/newvers.sh 236 ${_MKTARGET_COMPILE} 237 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 238 .endif 239 240 .if !target(config_time.h) 241 EXTRA_CLEAN+= config_time.h 242 config_time.h: Makefile 243 ${_MKTARGET_CREATE} 244 cp config_time.src config_time.h 245 .endif 246 247 .if defined(MEMORY_DISK_IMAGE) 248 md_root_image.h: ${MEMORY_DISK_IMAGE} 249 ${_MKTARGET_CREATE} 250 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 251 252 # XXX This is only needed when building md_root.o 253 CPPFLAGS+= -DMEMORY_DISK_IMAGE 254 md_root.o: md_root_image.h 255 .endif 256 257 # depend on MEMORY_DISK_IMAGE configuration 258 md_root.o: Makefile 259 260 # depend on root or device configuration 261 autoconf.o conf.o: Makefile 262 263 # depend on network or filesystem configuration 264 uipc_proto.o vfs_conf.o: Makefile 265 266 # depend on maxusers and CPU configuration 267 assym.h machdep.o: Makefile 268 269 ## 270 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 271 ## cscope, mkid 272 ## 273 ## Any ports that have other stuff to be cleaned up should fill in 274 ## EXTRA_CLEAN. Some ports may want different settings for 275 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 276 ## 277 .if !target(__CLEANKERNEL) 278 __CLEANKERNEL: .USE 279 ${_MKMSG} "${.TARGET}ing the kernel objects" 280 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 281 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 282 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 283 .endif 284 285 .if !target(kernelnames) 286 kernelnames: 287 @echo "${KERNELS} ${EXTRA_KERNELS}" 288 .endif 289 290 .if !target(__CLEANDEPEND) 291 __CLEANDEPEND: .USE 292 echo .depend ${DEPS} | xargs rm -f -- 293 .endif 294 295 # do not !target these, the kern and compat Makefiles augment them 296 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 297 clean: __CLEANKERNEL 298 depend: .depend 299 dependall: depend all 300 301 .if !target(.depend) 302 MKDEP_AFLAGS?= ${AFLAGS} 303 MKDEP_CFLAGS?= ${CFLAGS} 304 SSRCS=${MD_SFILES} ${SFILES} 305 CSRCS=${MD_CFILES} ${MI_CFILES} ${CFILES} 306 SRCS=${SSRCS} ${CSRCS} 307 DEPS= ${SRCS:T:O:u:R:S/$/.d/g} 308 309 .for _s in ${SSRCS} 310 ${_s:T:R}.d: ${_s} assym.h config_time.h 311 ${_MKTARGET_CREATE} 312 ${MKDEP} -f ${.TARGET} -- ${MKDEP_AFLAGS} \ 313 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 314 .endfor 315 .for _s in ${CSRCS} 316 ${_s:T:R}.d: ${_s} config_time.h 317 ${_MKTARGET_CREATE} 318 ${MKDEP} -f ${.TARGET} -- ${MKDEP_CFLAGS} \ 319 ${CPPFLAGS} ${CPPFLAGS.${_s:T}} ${_s} 320 .endfor 321 322 assym.d: assym.h config_time.h 323 ${_MKTARGET_CREATE} 324 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 325 ${GENASSYM} -- ${MKDEP} -f assym.dep -- \ 326 ${CFLAGS} ${CPPFLAGS} 327 sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >${.TARGET} 328 rm -f assym.dep 329 330 .depend: ${DEPS} assym.d 331 ${_MKTARGET_CREATE} 332 echo "${.ALLSRC}" | ${MKDEP} -D 333 .endif 334 335 .if !target(lint) 336 ALLSFILES?= ${MD_SFILES} ${SFILES} 337 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 338 KERNLINTFLAGS?= -bcehnxzFS 339 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 340 341 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 342 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 343 344 .for _sfile in ${ALLSFILES} 345 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 346 ${_MKTARGET_COMPILE} 347 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 348 awk -f $S/kern/genlintstub.awk >${.TARGET} 349 .endfor 350 351 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 352 ${_cfile:T:R}.ln: ${_cfile} 353 ${_MKTARGET_COMPILE} 354 ${NORMAL_LN} 355 .endfor 356 357 lint: ${LOBJS} 358 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 359 .endif 360 361 .if !target(install) 362 # The install target can be redefined by putting a 363 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 364 MACHINE_NAME!= uname -n 365 install: install-kernel-${MACHINE_NAME} 366 .if !target(install-kernel-${MACHINE_NAME}) 367 install-kernel-${MACHINE_NAME}: 368 rm -f ${DESTDIR}/onetbsd 369 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 370 cp netbsd ${DESTDIR}/nnetbsd 371 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 372 .endif 373 .endif 374 375 .if !target(tags) 376 tags: 377 @echo "see $S/kern/Makefile for tags" 378 .endif 379 380 EXTRA_CLEAN+= cscope.out cscope.tmp 381 .if !target(cscope.out) 382 cscope.out: Makefile depend 383 ${_MKTARGET_CREATE} 384 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 385 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 386 cscope.tmp 387 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 388 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 389 cscope.tmp 390 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 391 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 392 # cscope doesn't write cscope.out if it's uptodate, so ensure 393 # make doesn't keep calling cscope when not needed. 394 @rm -f cscope.tmp; touch cscope.out 395 .endif 396 397 .if !target(cscope) 398 cscope: cscope.out 399 @${CSCOPE} -d 400 .endif 401 402 EXTRA_CLEAN+= ID 403 .if !target(mkid) 404 .PHONY: mkid 405 mkid: ID 406 407 ID: Makefile depend 408 ${_MKTARGET_CREATE} 409 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 410 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 411 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 412 | sort -u` 413 414 .endif 415 416 .include "${S}/gdbscripts/Makefile.inc" 417 418 EXTRA_CLEAN+= .gdbinit 419 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 420 ${_MKTARGET_CREATE} 421 rm -f .gdbinit 422 .for __gdbinit in ${SYS_GDBINIT} 423 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 424 .endfor 425 .if defined(GDBINIT) && !empty(GDBINIT) 426 .for __gdbinit in ${GDBINIT} 427 echo "source ${__gdbinit}" >> .gdbinit 428 .endfor 429 .endif 430 431 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 432 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 433 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 434 435 ## 436 ## the end 437 ## 438
Indexes created Sat Nov 01 21:09:44 GMT 2025