Makefile.kern.inc revision 1.59
1 # $NetBSD: Makefile.kern.inc,v 1.59 2005/02/26 23:04:16 perry 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 .MAKEOVERRIDES+=USETOOLS # make sure proper value is propagated 34 35 _MKMSG?= @\# 36 _MKSHMSG?= echo 37 _MKSHECHO?= echo 38 _MKMSG_CREATE?= : 39 _MKTARGET_COMPILE?= : 40 _MKTARGET_CREATE?= : 41 42 ## 43 ## (1) port independent source tree identification 44 ## 45 # source tree is located via $S relative to the compilation directory 46 .ifndef S 47 S!= cd ../../../..; pwd 48 .endif 49 50 ## 51 ## (2) compile settings 52 ## 53 ## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile 54 ## 55 INCLUDES?= -I. ${EXTRA_INCLUDES} -I$S/arch -I$S -nostdinc 56 CPPFLAGS+= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D_KERNEL_OPT 57 DEFCOPTS?= -O2 58 COPTS?= ${DEFCOPTS} 59 DBG= # might contain unwanted -Ofoo 60 DEFWARNINGS?= yes 61 .if (${DEFWARNINGS} == "yes") 62 .if !defined(NOGCCERROR) 63 CWARNFLAGS+= -Werror 64 .endif 65 CWARNFLAGS+= -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith 66 CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes 67 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 68 # but our sources aren't up for it yet. 69 CWARNFLAGS+= -Wno-sign-compare 70 .endif 71 72 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 73 CFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 74 CFLAGS+= ${CPUFLAGS} -ffreestanding 75 CFLAGS+= ${CPUFLAGS} ${DEBUG} ${COPTS} ${CWARNFLAGS} 76 AFLAGS+= ${CPUFLAGS} -D_LOCORE 77 78 # Disable unitialized warnings with 2.95 - it gets it wrong way too often 79 _ISGCC295!= ${CC} --version 2>/dev/null | grep 2.95 2>/dev/null || echo 0 80 .if ${_ISGCC295} 81 CWARNFLAGS+= -Wno-uninitialized 82 .else 83 CFLAGS+= -fno-zero-initialized-in-bss 84 .endif 85 86 # Use the per-source COPTS variables to add -g to just those 87 # files that match the shell patterns given in ${DEBUGLIST} 88 # 89 .for i in ${DEBUGLIST} 90 .for j in ${CFILES:T:M$i.c} 91 COPTS.${j}+=-g 92 .endfor 93 .endfor 94 95 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 96 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 97 NORMAL_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 98 ${_MKSHECHO}\ 99 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 100 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 101 NOPROF_C?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 102 ${_MKSHECHO}\ 103 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 104 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 105 NORMAL_S?= @${_MKSHMSG} "compile ${.CURDIR:T}/${.TARGET}"; \ 106 ${_MKSHECHO}\ 107 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 108 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 109 110 ## 111 ## (3) libkern and compat 112 ## 113 ## Set KERN_AS in the port Makefile to "obj" or "library". The 114 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 115 ## 116 117 ### find out what to use for libkern 118 .include "$S/lib/libkern/Makefile.inc" 119 .ifndef PROF 120 LIBKERN?= ${KERNLIB} 121 .else 122 LIBKERN?= ${KERNLIB_PROF} 123 .endif 124 125 LIBKERNLN?= ${KERNLIBLN} 126 127 ### find out what to use for libcompat 128 .include "$S/compat/common/Makefile.inc" 129 .ifndef PROF 130 SYSLIBCOMPAT?= ${COMPATLIB} 131 .else 132 SYSLIBCOMPAT?= ${COMPATLIB_PROF} 133 .endif 134 135 SYSLIBCOMPATLN?= ${COMPATLIBLN} 136 137 ## 138 ## (4) local objects, compile rules, and dependencies 139 ## 140 ## Each port should have a corresponding section with settings for 141 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 142 ## 143 MI_CFILES=devsw.c ioconf.c param.c 144 # the need for a MI_SFILES variable is dubitable at best 145 MI_OBJS=${MI_CFILES:S/.c/.o/} 146 147 param.c: $S/conf/param.c 148 ${_MKTARGET_CREATE} 149 rm -f param.c 150 cp $S/conf/param.c . 151 152 param.o: Makefile 153 154 .for _cfile in ${MI_CFILES} 155 ${_cfile:T:R}.o: ${_cfile} 156 ${NORMAL_C} 157 .endfor 158 159 ## 160 ## (5) link settings 161 ## 162 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 163 ## be set in the port's Makefile. The port specific definitions for 164 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 165 ## depending on the value of DEBUG. 166 ## 167 # load lines for config "xxx" will be emitted as: 168 # xxx: ${SYSTEM_DEP} swapxxx.o 169 # ${SYSTEM_LD_HEAD} 170 # ${SYSTEM_LD} swapxxx.o 171 # ${SYSTEM_LD_TAIL} 172 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${SYSLIBCOMPAT} ${LIBKERN} 173 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ} .gdbinit 174 SYSTEM_LD_HEAD?=@rm -f $@ 175 SYSTEM_LD?= @${_MKSHMSG} " link ${.CURDIR:T}/${.TARGET}"; \ 176 ${_MKSHECHO}\ 177 ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' '$${EXTRA_OBJ}' vers.o; \ 178 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 179 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 180 181 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 182 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 183 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 184 ENTRYPOINT?= start 185 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 186 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 187 ${EXTRA_LINKFLAGS} 188 189 LINKFLAGS_DEBUG?= -X 190 SYSTEM_LD_TAIL_DEBUG?=; \ 191 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 192 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 193 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 194 LINKFLAGS_NORMAL?= -S 195 STRIPFLAGS?= -g 196 197 DEBUG?= 198 .if ${DEBUG} == "-g" || ${DEBUG} == "-gstabs" || ${DEBUG} == "-gstabs+" 199 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 200 LINKFLAGS+= ${LINKFLAGS_DEBUG} 201 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 202 .elifndef PROF 203 LINKFLAGS+= ${LINKFLAGS_NORMAL} 204 .endif 205 206 SYSTEM_LD_HEAD+=${SYSTEM_LD_HEAD_EXTRA} 207 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 208 209 ## 210 ## (6) port independent targets and dependencies: assym.h, vers.o 211 ## 212 .if !target(assym.h) 213 assym.h: $S/kern/genassym.sh ${GENASSYM} ${GENASSYM_EXTRAS} 214 ${_MKTARGET_CREATE} 215 cat ${GENASSYM} ${GENASSYM_EXTRAS} | \ 216 ${HOST_SH} $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 217 > assym.h.tmp && \ 218 mv -f assym.h.tmp assym.h 219 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 220 .endif 221 222 .if !target(vers.o) 223 newvers: vers.o 224 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 225 ${_MKMSG_CREATE} vers.c 226 ${HOST_SH} $S/conf/newvers.sh 227 ${_MKTARGET_COMPILE} 228 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 229 .endif 230 231 .if !target(config_time.h) 232 EXTRA_CLEAN+= config_time.h 233 config_time.h: Makefile 234 ${_MKTARGET_CREATE} 235 cp config_time.src config_time.h 236 .endif 237 238 .if defined(MEMORY_DISK_IMAGE) 239 md_root_image.h: ${MEMORY_DISK_IMAGE} 240 ${_MKTARGET_CREATE} 241 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 242 243 # XXX This is only needed when building md_root.o 244 CPPFLAGS+= -DMEMORY_DISK_IMAGE 245 md_root.o: md_root_image.h 246 .endif 247 248 # depend on MEMORY_DISK_IMAGE configuration 249 md_root.o: Makefile 250 251 # depend on root or device configuration 252 autoconf.o conf.o: Makefile 253 254 # depend on network or filesystem configuration 255 uipc_proto.o vfs_conf.o: Makefile 256 257 # depend on maxusers and CPU configuration 258 assym.h machdep.o: Makefile 259 260 ## 261 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 262 ## cscope, mkid 263 ## 264 ## Any ports that have other stuff to be cleaned up should fill in 265 ## EXTRA_CLEAN. Some ports may want different settings for 266 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 267 ## 268 .if !target(__CLEANKERNEL) 269 __CLEANKERNEL: .USE 270 ${_MKMSG} "${.TARGET}ing the kernel objects" 271 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 272 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 273 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 274 .endif 275 276 .if !target(kernelnames) 277 kernelnames: 278 @echo "${KERNELS} ${EXTRA_KERNELS}" 279 .endif 280 281 .if !target(__CLEANDEPEND) 282 __CLEANDEPEND: .USE 283 rm -f .depend 284 .endif 285 286 # do not !target these, the kern and compat Makefiles augment them 287 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 288 clean: __CLEANKERNEL 289 depend: .depend 290 dependall: depend all 291 292 .if !target(.depend) 293 SRCS?= ${MD_SFILES} ${MD_CFILES} ${MI_CFILES} ${CFILES} ${SFILES} 294 MKDEP_AFLAGS?= ${AFLAGS} 295 MKDEP_CFLAGS?= ${CFLAGS} 296 .depend: ${SRCS} assym.h config_time.h 297 ${_MKTARGET_CREATE} 298 ${MKDEP} -- ${MKDEP_AFLAGS} ${CPPFLAGS} ${MD_SFILES} ${SFILES} 299 ${MKDEP} -a -- ${MKDEP_CFLAGS} ${CPPFLAGS} ${MD_CFILES} ${MI_CFILES} \ 300 ${CFILES} 301 cat ${GENASSYM} ${GENASSYM_EXTRAS} | \ 302 ${HOST_SH} $S/kern/genassym.sh ${MKDEP} -f assym.dep -- \ 303 ${CFLAGS} ${CPPFLAGS} 304 @sed -e 's/^.*\.o:.*\.c /assym.h: /' < assym.dep >> .depend 305 @rm -f assym.dep 306 .endif 307 308 .if !target(lint) 309 ALLSFILES?= ${MD_SFILES} ${SFILES} 310 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 311 KERNLINTFLAGS?= -bcehnxzFS 312 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 313 314 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 315 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${SYSLIBCOMPATLN} 316 317 .for _sfile in ${ALLSFILES} 318 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 319 ${_MKTARGET_COMPILE} 320 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 321 awk -f $S/kern/genlintstub.awk >${.TARGET} 322 .endfor 323 324 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 325 ${_cfile:T:R}.ln: ${_cfile} 326 ${_MKTARGET_COMPILE} 327 ${NORMAL_LN} 328 .endfor 329 330 lint: ${LOBJS} 331 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 332 .endif 333 334 .if !target(install) 335 # The install target can be redefined by putting a 336 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 337 MACHINE_NAME!= uname -n 338 install: install-kernel-${MACHINE_NAME} 339 .if !target(install-kernel-${MACHINE_NAME}) 340 install-kernel-${MACHINE_NAME}: 341 rm -f ${DESTDIR}/onetbsd 342 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 343 cp netbsd ${DESTDIR}/nnetbsd 344 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 345 .endif 346 .endif 347 348 .if !target(tags) 349 tags: 350 @echo "see $S/kern/Makefile for tags" 351 .endif 352 353 EXTRA_CLEAN+= cscope.out cscope.tmp 354 .if !target(cscope.out) 355 cscope.out: Makefile depend 356 ${_MKTARGET_CREATE} 357 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/kern/.depend | \ 358 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/kern/\1|;s|^../../||;' > \ 359 cscope.tmp 360 @sed 's/[^:]*://;s/^ *//;s/ *\\ *$$//;' lib/compat/.depend | \ 361 tr -s ' ' '\n' | sed 's|^\([^.\\]\)|lib/compat/\1|;s|^../../||;' >> \ 362 cscope.tmp 363 @echo ${SRCS} | cat - cscope.tmp | tr -s ' ' '\n' | sort -u | \ 364 ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 365 # cscope doesn't write cscope.out if it's uptodate, so ensure 366 # make doesn't keep calling cscope when not needed. 367 @rm -f cscope.tmp; touch cscope.out 368 .endif 369 370 .if !target(cscope) 371 cscope: cscope.out 372 @${CSCOPE} -d 373 .endif 374 375 EXTRA_CLEAN+= ID 376 .if !target(mkid) 377 .PHONY: mkid 378 mkid: ID 379 380 ID: Makefile depend 381 ${_MKTARGET_CREATE} 382 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 383 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 384 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 385 | sort -u` 386 387 .endif 388 389 .include "${S}/gdbscripts/Makefile.inc" 390 391 EXTRA_CLEAN+= .gdbinit 392 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 393 ${_MKTARGET_CREATE} 394 rm -f .gdbinit 395 .for __gdbinit in ${SYS_GDBINIT} 396 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 397 .endfor 398 .if defined(GDBINIT) && !empty(GDBINIT) 399 .for __gdbinit in ${GDBINIT} 400 echo "source ${__gdbinit}" >> .gdbinit 401 .endfor 402 .endif 403 404 ## 405 ## the end 406 ## 407
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