Makefile.kern.inc revision 1.70
1 # $NetBSD: Makefile.kern.inc,v 1.70 2005/11/24 12:54:29 dbj 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/arch -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 .if !${_ISGCC295} 71 CWARNFLAGS+= -Wreturn-type 72 .endif 73 CWARNFLAGS+= -Wswitch -Wshadow 74 CWARNFLAGS+= -Wcast-qual -Wwrite-strings 75 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 76 # but our sources aren't up for it yet. 77 CWARNFLAGS+= -Wno-sign-compare 78 .endif 79 80 CFLAGS+= ${CPUFLAGS} -ffreestanding 81 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 82 AFLAGS+= ${CPUFLAGS} -D_LOCORE 83 84 # Disable unitialized warnings with 2.95 - it gets it wrong way too often 85 .if ${_ISGCC295} 86 CWARNFLAGS+= -Wno-uninitialized 87 .else 88 CFLAGS+= -fno-zero-initialized-in-bss 89 .endif 90 91 # Use the per-source COPTS variables to add -g to just those 92 # files that match the shell patterns given in ${DEBUGLIST} 93 # 94 .for i in ${DEBUGLIST} 95 .for j in ${CFILES:T:M$i.c} 96 COPTS.${j}+=-g 97 .endfor 98 .endfor 99 100 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 101 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 102 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 103 ${_MKSHECHO}\ 104 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 105 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 106 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 107 ${_MKSHECHO}\ 108 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 109 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 110 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 111 ${_MKSHECHO}\ 112 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 113 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 114 115 ## 116 ## (3) libkern and compat 117 ## 118 ## Set KERN_AS in the port Makefile to "obj" or "library". The 119 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 120 ## 121 122 ### find out what to use for libkern 123 .include "$S/lib/libkern/Makefile.inc" 124 .ifndef PROF 125 LIBKERN?= ${KERNLIB} 126 .else 127 LIBKERN?= ${KERNLIB_PROF} 128 .endif 129 130 LIBKERNLN?= ${KERNLIBLN} 131 132 ### find out what to use for libcompat 133 .include "$S/compat/common/Makefile.inc" 134 .ifndef PROF 135 SYSLIBCOMPAT?= ${COMPATLIB} 136 .else 137 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 138 .endif 139 140 SYSLIBCOMPATLN?= ${COMPATLIBLN} 141 142 ## 143 ## (4) local objects, compile rules, and dependencies 144 ## 145 ## Each port should have a corresponding section with settings for 146 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 147 ## 148 MI_CFILES=devsw.c ioconf.c param.c 149 # the need for a MI_SFILES variable is dubitable at best 150 MI_OBJS=${MI_CFILES:S/.c/.o/} 151 152 param.c: $S/conf/param.c 153 ${_MKTARGET_CREATE} 154 rm -f param.c 155 cp $S/conf/param.c . 156 157 param.o: Makefile 158 159 .for _cfile in ${MI_CFILES} 160 ${_cfile:T:R}.o: ${_cfile} 161 ${NORMAL_C} 162 .endfor 163 164 ## 165 ## (5) link settings 166 ## 167 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 168 ## be set in the port's Makefile. The port specific definitions for 169 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 170 ## depending on the value of DEBUG. 171 ## 172 # load lines for config "xxx" will be emitted as: 173 # xxx: ${SYSTEM_DEP} swapxxx.o 174 # ${SYSTEM_LD_HEAD} 175 # ${SYSTEM_LD} swapxxx.o 176 # ${SYSTEM_LD_TAIL} 177 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 178 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ} .gdbinit 179 SYSTEM_LD_HEAD?=@rm -f $@ 180 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 181 ${_MKSHECHO}\ 182 ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 183 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 184 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 185 186 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 187 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 188 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 189 ENTRYPOINT?= start 190 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 191 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 192 ${EXTRA_LINKFLAGS} 193 194 LINKFLAGS_DEBUG?= -X 195 SYSTEM_LD_TAIL_DEBUG?=; \ 196 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 197 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 198 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 199 LINKFLAGS_NORMAL?= -S 200 STRIPFLAGS?= -g 201 202 DEBUG?= 203 .if !empty(DEBUG:M-g*) 204 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 205 LINKFLAGS+= ${LINKFLAGS_DEBUG} 206 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 207 .elifndef PROF 208 LINKFLAGS+= ${LINKFLAGS_NORMAL} 209 .endif 210 211 SYSTEM_LD_TAIL+=; \ 212 if grep -q '^\#define.*SYMTAB_SPACE' opt_ddbparam.h; then \ 213 echo "${DBSYM} $@"; \ 214 ${DBSYM} $@; \ 215 fi 216 217 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 218 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 219 220 ## 221 ## (6) port independent targets and dependencies: assym.h, vers.o 222 ## 223 .if !target(assym.h) 224 assym.h: ${GENASSYM_CONF} ${GENASSYM_EXTRAS} 225 ${_MKTARGET_CREATE} 226 cat ${GENASSYM_CONF} ${GENASSYM_EXTRAS} | \ 227 ${GENASSYM} -- ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 228 > assym.h.tmp && \ 229 mv -f assym.h.tmp assym.h 230 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 231 .endif 232 233 .if !target(vers.o) 234 newvers: vers.o 235 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 236 ${_MKMSG_CREATE} vers.c 237 ${HOST_SH} $S/conf/newvers.sh 238 ${_MKTARGET_COMPILE} 239 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 240 .endif 241 242 .if !target(config_time.h) 243 EXTRA_CLEAN+= config_time.h 244 config_time.h: Makefile 245 ${_MKTARGET_CREATE} 246 cp config_time.src config_time.h 247 .endif 248 249 .if defined(MEMORY_DISK_IMAGE) 250 md_root_image.h: ${MEMORY_DISK_IMAGE} 251 ${_MKTARGET_CREATE} 252 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 253 254 # XXX This is only needed when building md_root.o 255 CPPFLAGS+= -DMEMORY_DISK_IMAGE 256 md_root.o: md_root_image.h 257 .endif 258 259 # depend on MEMORY_DISK_IMAGE configuration 260 md_root.o: Makefile 261 262 # depend on root or device configuration 263 autoconf.o conf.o: Makefile 264 265 # depend on network or filesystem configuration 266 uipc_proto.o vfs_conf.o: Makefile 267 268 # depend on maxusers and CPU configuration 269 assym.h machdep.o: Makefile 270 271 ## 272 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 273 ## cscope, mkid 274 ## 275 ## Any ports that have other stuff to be cleaned up should fill in 276 ## EXTRA_CLEAN. Some ports may want different settings for 277 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 278 ## 279 .if !target(__CLEANKERNEL) 280 __CLEANKERNEL: .USE 281 ${_MKMSG} "${.TARGET}ing the kernel objects" 282 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 283 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 284 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 285 .endif 286 287 .if !target(kernelnames) 288 kernelnames: 289 @echo "${KERNELS} ${EXTRA_KERNELS}" 290 .endif 291 292 .if !target(__CLEANDEPEND) 293 __CLEANDEPEND: .USE 294 rm -f .depend 295 .endif 296 297 # do not !target these, the kern and compat Makefiles augment them 298 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 299 clean: __CLEANKERNEL 300 depend: .depend 301 dependall: depend all 302 303 .if !target(.depend) 304 SRCS?= ${MD_SFILES} ${MD_CFILES} ${MI_CFILES} ${CFILES} ${SFILES} 305 MKDEP_AFLAGS?= ${AFLAGS} 306 MKDEP_CFLAGS?= ${CFLAGS} 307 # We have to assume that we'll eventually run out of command line. 308 # We already hit that on non-NetBSD hosts. 309 _SFILES=${MD_SFILES} ${SFILES} 310 _CFILES=${MD_CFILES} ${MI_CFILES} ${CFILES} 311 .if ${MAKEVERBOSE} == 2 312 _T=-t 313 .else 314 _T= 315 .endif 316 _XargsMKDEP=${MKDEP:M*=*} xargs ${_T} ${MKDEP:N*=*} 317 _SubMake=${.MAKE} -f ${MAKEFILE} -DnoBEGIN 318 319 # This dance is necessary to avoid long command lines. 320 ${SRCS:S,^,list-,}: 321 @echo ${.TARGET:S,^list-,,} 322 323 _sfiles: ${_SFILES:S,^,list-,} 324 _cfiles: ${_CFILES:S,^,list-,} 325 326 .depend: ${SRCS} assym.h config_time.h 327 ${_MKTARGET_CREATE} 328 @> $@ 329 @${_SubMake} _sfiles | ${_XargsMKDEP} -a -- ${MKDEP_AFLAGS} ${CPPFLAGS} 330 @${_SubMake} _cfiles | ${_XargsMKDEP} -a -- ${MKDEP_CFLAGS} ${CPPFLAGS} 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 >> .depend 335 @rm -f assym.dep 336 .endif 337 338 .if !target(lint) 339 ALLSFILES?= ${MD_SFILES} ${SFILES} 340 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 341 KERNLINTFLAGS?= -bcehnxzFS 342 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 343 344 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 345 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 346 347 .for _sfile in ${ALLSFILES} 348 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 349 ${_MKTARGET_COMPILE} 350 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 351 awk -f $S/kern/genlintstub.awk >${.TARGET} 352 .endfor 353 354 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 355 ${_cfile:T:R}.ln: ${_cfile} 356 ${_MKTARGET_COMPILE} 357 ${NORMAL_LN} 358 .endfor 359 360 lint: ${LOBJS} 361 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 362 .endif 363 364 .if !target(install) 365 # The install target can be redefined by putting a 366 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 367 MACHINE_NAME!= uname -n 368 install: install-kernel-${MACHINE_NAME} 369 .if !target(install-kernel-${MACHINE_NAME}) 370 install-kernel-${MACHINE_NAME}: 371 rm -f ${DESTDIR}/onetbsd 372 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 373 cp netbsd ${DESTDIR}/nnetbsd 374 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 375 .endif 376 .endif 377 378 .if !target(tags) 379 tags: 380 @echo "see $S/kern/Makefile for tags" 381 .endif 382 383 EXTRA_CLEAN+= cscope.out cscope.tmp 384 .if !target(cscope.out) 385 cscope.out: Makefile depend 386 ${_MKTARGET_CREATE} 387 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 388 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 389 cscope.tmp 390 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 391 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 392 cscope.tmp 393 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 394 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 395 # cscope doesn't write cscope.out if it's uptodate, so ensure 396 # make doesn't keep calling cscope when not needed. 397 @rm -f cscope.tmp; touch cscope.out 398 .endif 399 400 .if !target(cscope) 401 cscope: cscope.out 402 @${CSCOPE} -d 403 .endif 404 405 EXTRA_CLEAN+= ID 406 .if !target(mkid) 407 .PHONY: mkid 408 mkid: ID 409 410 ID: Makefile depend 411 ${_MKTARGET_CREATE} 412 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 413 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 414 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 415 | sort -u` 416 417 .endif 418 419 .include "${S}/gdbscripts/Makefile.inc" 420 421 EXTRA_CLEAN+= .gdbinit 422 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 423 ${_MKTARGET_CREATE} 424 rm -f .gdbinit 425 .for __gdbinit in ${SYS_GDBINIT} 426 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 427 .endfor 428 .if defined(GDBINIT) && !empty(GDBINIT) 429 .for __gdbinit in ${GDBINIT} 430 echo "source ${__gdbinit}" >> .gdbinit 431 .endfor 432 .endif 433 434 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 435 CPPFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 436 CWARNFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 437 438 ## 439 ## the end 440 ## 441
Indexes created Sat Nov 01 05:10:12 GMT 2025