Makefile.kern.inc revision 1.46
1 # $NetBSD: Makefile.kern.inc,v 1.46 2003/11/20 07:08:02 lukem 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 .MAKEOVERRIDES+=USETOOLS # make sure proper value is propagated 33 34 _MKMSG?= @\# 35 _MKSHMSG?= : echo 36 _MKSHECHO?= : echo 37 _MKMSG_CREATE?= : 38 _MKTARGET_COMPILE?= : 39 _MKTARGET_CREATE?= : 40 41 ## 42 ## (1) port independent source tree identification 43 ## 44 # source tree is located via $S relative to the compilation directory 45 .ifndef S 46 S!= cd ../../../..; pwd 47 .endif 48 49 ## 50 ## (2) compile settings 51 ## 52 ## CPPFLAGS, CFLAGS, and AFLAGS must be set in the port's Makefile 53 ## 54 INCLUDES?= -I. ${EXTRA_INCLUDES} -I$S/arch -I$S -nostdinc 55 CPPFLAGS+= ${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL -D_KERNEL_OPT 56 DEFCOPTS?= -O2 57 COPTS?= ${DEFCOPTS} 58 DBG= # might contain unwanted -Ofoo 59 DEFWARNINGS?= yes 60 .if (${DEFWARNINGS} == "yes") 61 .if !defined(NOGCCERROR) 62 CWARNFLAGS+= -Werror 63 .endif 64 CWARNFLAGS+= -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith 65 CWARNFLAGS+= -Wmissing-prototypes -Wstrict-prototypes 66 # Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3, 67 # but our sources aren't up for it yet. 68 CWARNFLAGS+= -Wno-sign-compare 69 .endif 70 71 # Disable unitialized warnings with 2.95 - it gets it wrong way too often 72 _ISGCC295!= ${CC} --version 2>/dev/null | grep 2.95 2>/dev/null || echo 0 73 .if ${_ISGCC295} 74 CWARNFLAGS+= -Wno-uninitialized 75 .endif 76 77 CFLAGS+= ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} 78 CFLAGS+= ${CPPFLAGS.${.IMPSRC:T}} 79 CFLAGS+= ${CPUFLAGS} -ffreestanding ${DEBUG} ${COPTS} ${CWARNFLAGS} 80 AFLAGS+= ${CPUFLAGS} -D_LOCORE 81 82 # Use the per-source COPTS variables to add -g to just those 83 # files that match the shell patterns given in ${DEBUGLIST} 84 # 85 .for i in ${DEBUGLIST} 86 .for j in ${CFILES:T:M$i.c} 87 COPTS.${j}+=-g 88 .endfor 89 .endfor 90 91 # compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or 92 # NOPROF and SUFFIX is the file suffix, capitalized (e.g. C for a .c file). 93 NORMAL_C?= ${_MKTARGET_COMPILE}; \ 94 ${_MKSHECHO}\ 95 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<; \ 96 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $< 97 NOPROF_C?= ${_MKTARGET_COMPILE}; \ 98 ${_MKSHECHO}\ 99 ${CC} ${CFLAGS} ${CPPFLAGS} -c $<; \ 100 ${CC} ${CFLAGS} ${CPPFLAGS} -c $< 101 NORMAL_S?= ${_MKTARGET_COMPILE}; \ 102 ${_MKSHECHO}\ 103 ${CC} ${AFLAGS} ${CPPFLAGS} -c $<; \ 104 ${CC} ${AFLAGS} ${CPPFLAGS} -c $< 105 106 ## 107 ## (3) libkern and compat 108 ## 109 ## Set KERN_AS in the port Makefile to "obj" or "library". The 110 ## default is "library", as documented in $S/lib/libkern/Makefile.inc. 111 ## 112 113 ### find out what to use for libkern 114 .include "$S/lib/libkern/Makefile.inc" 115 .ifndef PROF 116 LIBKERN?= ${KERNLIB} 117 .else 118 LIBKERN?= ${KERNLIB_PROF} 119 .endif 120 121 LIBKERNLN?= ${KERNLIBLN} 122 123 ### find out what to use for libcompat 124 .include "$S/compat/common/Makefile.inc" 125 .ifndef PROF 126 LIBCOMPAT?= ${COMPATLIB} 127 .else 128 LIBCOMPAT?= ${COMPATLIB_PROF} 129 .endif 130 131 LIBCOMPATLN?= ${COMPATLIBLN} 132 133 ## 134 ## (4) local objects, compile rules, and dependencies 135 ## 136 ## Each port should have a corresponding section with settings for 137 ## MD_CFILES, MD_SFILES, and MD_OBJS, along with build rules for same. 138 ## 139 MI_CFILES=devsw.c ioconf.c param.c 140 # the need for a MI_SFILES variable is dubitable at best 141 MI_OBJS=${MI_CFILES:S/.c/.o/} 142 143 param.c: $S/conf/param.c 144 ${_MKTARGET_CREATE} 145 rm -f param.c 146 cp $S/conf/param.c . 147 148 param.o: Makefile 149 150 .for _cfile in ${MI_CFILES} 151 ${_cfile:T:R}.o: ${_cfile} 152 ${NORMAL_C} 153 .endfor 154 155 ## 156 ## (5) link settings 157 ## 158 ## TEXTADDR (or LOADADDRESS), LINKFORMAT, and any EXTRA_LINKFLAGS must 159 ## be set in the port's Makefile. The port specific definitions for 160 ## LINKFLAGS_NORMAL and LINKFLAGS_DEBUG will added to the LINKFLAGS 161 ## depending on the value of DEBUG. 162 ## 163 # load lines for config "xxx" will be emitted as: 164 # xxx: ${SYSTEM_DEP} swapxxx.o 165 # ${SYSTEM_LD_HEAD} 166 # ${SYSTEM_LD} swapxxx.o 167 # ${SYSTEM_LD_TAIL} 168 SYSTEM_OBJ?= ${MD_OBJS} ${MI_OBJS} ${OBJS} ${LIBCOMPAT} ${LIBKERN} 169 SYSTEM_DEP?= Makefile ${SYSTEM_OBJ} .gdbinit 170 SYSTEM_LD_HEAD?=@rm -f $@ 171 SYSTEM_LD?= ${_MKSHMSG} " link ${.TARGET}"; \ 172 ${_MKSHECHO}\ 173 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o; \ 174 ${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} ${EXTRA_OBJ} vers.o 175 SYSTEM_LD_TAIL?=@${SIZE} $@; chmod 755 $@ 176 177 TEXTADDR?= ${LOADADDRESS} # backwards compatibility 178 LINKTEXT?= ${TEXTADDR:C/.+/-Ttext &/} 179 LINKDATA?= ${DATAADDR:C/.+/-Tdata &/} 180 ENTRYPOINT?= start 181 LINKENTRY?= ${ENTRYPOINT:C/.+/-e &/} 182 LINKFLAGS?= ${LINKFORMAT} ${LINKTEXT} ${LINKDATA} ${LINKENTRY} \ 183 ${EXTRA_LINKFLAGS} 184 185 LINKFLAGS_DEBUG?= -X 186 SYSTEM_LD_TAIL_DEBUG?=; \ 187 echo mv -f $@ $@.gdb; mv -f $@ $@.gdb; \ 188 echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \ 189 ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb 190 LINKFLAGS_NORMAL?= -S 191 STRIPFLAGS?= -g 192 193 DEBUG?= 194 .if ${DEBUG} == "-g" || ${DEBUG} == "-gstabs" || ${DEBUG} == "-gstabs+" 195 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_DEBUG} 196 LINKFLAGS+= ${LINKFLAGS_DEBUG} 197 EXTRA_KERNELS+= ${KERNELS:@.KERNEL.@${.KERNEL.}.gdb@} 198 .elifndef PROF 199 LINKFLAGS+= ${LINKFLAGS_NORMAL} 200 .endif 201 202 SYSTEM_LD_TAIL+=${SYSTEM_LD_TAIL_EXTRA} 203 204 ## 205 ## (6) port independent targets and dependencies: assym.h, vers.o 206 ## 207 .if !target(assym.h) 208 assym.h: $S/kern/genassym.sh ${GENASSYM} ${GENASSYM_EXTRAS} 209 ${_MKTARGET_CREATE} 210 cat ${GENASSYM} ${GENASSYM_EXTRAS} | \ 211 ${HOST_SH} $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} \ 212 > assym.h.tmp && \ 213 mv -f assym.h.tmp assym.h 214 ${MD_SFILES:C/\.[Ss]/.o/} ${SFILES:C/\.[Ss]/.o/}: assym.h 215 .endif 216 217 .if !target(vers.o) 218 newvers: vers.o 219 vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP} $S/conf/newvers.sh $S/conf/osrelease.sh 220 ${_MKMSG_CREATE} vers.c 221 ${HOST_SH} $S/conf/newvers.sh 222 ${_MKTARGET_COMPILE} 223 ${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c vers.c 224 .endif 225 226 .if !target(config_time.h) 227 EXTRA_CLEAN+= config_time.h 228 config_time.h: Makefile 229 ${_MKTARGET_CREATE} 230 cp config_time.src config_time.h 231 .endif 232 233 .if defined(MEMORY_DISK_IMAGE) 234 md_root_image.h: ${MEMORY_DISK_IMAGE} 235 ${_MKTARGET_CREATE} 236 ${TOOL_HEXDUMP} -v -e '"\t" 8/1 "0x%02x, " "\n"' ${.ALLSRC} > ${.TARGET} 237 238 # XXX This is only needed when building md_root.o 239 CPPFLAGS+= -DMEMORY_DISK_IMAGE 240 md_root.o: md_root_image.h 241 .endif 242 243 # depend on MEMORY_DISK_IMAGE configuration 244 md_root.o: Makefile 245 246 # depend on root or device configuration 247 autoconf.o conf.o: Makefile 248 249 # depend on network or filesystem configuration 250 uipc_proto.o vfs_conf.o: Makefile 251 252 # depend on maxusers and CPU configuration 253 assym.h machdep.o: Makefile 254 255 ## 256 ## (7) misc targets: install, clean(dir), depend(all), lint, links, tags, 257 ## cscope, mkid 258 ## 259 ## Any ports that have other stuff to be cleaned up should fill in 260 ## EXTRA_CLEAN. Some ports may want different settings for 261 ## KERNLINTFLAGS, MKDEP_CFLAGS, or MKDEP_AFLAGS. 262 ## 263 .if !target(__CLEANKERNEL) 264 __CLEANKERNEL: .USE 265 ${_MKMSG} "${.TARGET}ing the kernel objects" 266 rm -f ${KERNELS} eddep tags *.[io] *.ln [a-z]*.s vers.c \ 267 [Ee]rrs linterrs makelinks assym.h.tmp assym.h \ 268 ${EXTRA_KERNELS} ${EXTRA_CLEAN} 269 .endif 270 271 .if !target(kernelnames) 272 kernelnames: 273 @echo "${KERNELS} ${EXTRA_KERNELS}" 274 .endif 275 276 .if !target(__CLEANDEPEND) 277 __CLEANDEPEND: .USE 278 rm -f .depend 279 .endif 280 281 # do not !target these, the kern and compat Makefiles augment them 282 cleandir distclean: __CLEANKERNEL __CLEANDEPEND 283 clean: __CLEANKERNEL 284 depend: .depend 285 dependall: depend all 286 287 .if !target(.depend) 288 SRCS?= ${MD_SFILES} ${MD_CFILES} ${MI_CFILES} ${CFILES} ${SFILES} 289 MKDEP_AFLAGS?= ${AFLAGS} 290 MKDEP_CFLAGS?= ${CFLAGS} 291 .depend: ${SRCS} assym.h config_time.h 292 ${_MKTARGET_CREATE} 293 ${MKDEP} -- ${MKDEP_AFLAGS} ${CPPFLAGS} ${MD_SFILES} ${SFILES} 294 ${MKDEP} -a -- ${MKDEP_CFLAGS} ${CPPFLAGS} ${MD_CFILES} ${MI_CFILES} \ 295 ${CFILES} 296 cat ${GENASSYM} ${GENASSYM_EXTRAS} | \ 297 ${HOST_SH} $S/kern/genassym.sh ${MKDEP} -f assym.dep -- \ 298 ${CFLAGS} ${CPPFLAGS} 299 @sed -e 's/.*\.o:.*\.c/assym.h:/' < assym.dep >> .depend 300 @rm -f assym.dep 301 .endif 302 303 .if !target(lint) 304 ALLSFILES?= ${MD_SFILES} ${SFILES} 305 LINTSTUBS?= ${ALLSFILES:T:R:C/^.*$/LintStub_&.c/g} 306 KERNLINTFLAGS?= -bcehnxzFS 307 NORMAL_LN?= ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i $< 308 309 _lsrc=${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 310 LOBJS?= ${_lsrc:T:S/.c$/.ln/g} ${LIBKERNLN} ${LIBCOMPATLN} 311 312 .for _sfile in ${ALLSFILES} 313 LintStub_${_sfile:T:R}.c: ${_sfile} assym.h 314 ${_MKTARGET_COMPILE} 315 ${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${_sfile} | \ 316 awk -f $S/kern/genlintstub.awk >${.TARGET} 317 .endfor 318 319 .for _cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES} 320 ${_cfile:T:R}.ln: ${_cfile} 321 ${_MKTARGET_COMPILE} 322 ${NORMAL_LN} 323 .endfor 324 325 lint: ${LOBJS} 326 ${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS} 327 .endif 328 329 .if !target(install) 330 # The install target can be redefined by putting a 331 # install-kernel-${MACHINE_NAME} target into /etc/mk.conf 332 MACHINE_NAME!= uname -n 333 install: install-kernel-${MACHINE_NAME} 334 .if !target(install-kernel-${MACHINE_NAME}) 335 install-kernel-${MACHINE_NAME}: 336 rm -f ${DESTDIR}/onetbsd 337 ln ${DESTDIR}/netbsd ${DESTDIR}/onetbsd 338 cp netbsd ${DESTDIR}/nnetbsd 339 mv ${DESTDIR}/nnetbsd ${DESTDIR}/netbsd 340 .endif 341 .endif 342 343 .if !target(tags) 344 tags: 345 @echo "see $S/kern/Makefile for tags" 346 .endif 347 348 EXTRA_CLEAN+= cscope.out 349 .if !target(cscope.out) 350 cscope.out: Makefile depend 351 ${_MKTARGET_CREATE} 352 @echo ${SRCS} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' \ 353 lib/kern/.depend lib/compat/.depend | tr ' ' '\n' | \ 354 sed "s|^../../||" | sort -u` \ 355 | ${CSCOPE} -k -i - -b `echo ${INCLUDES} | sed s/-nostdinc//` 356 # cscope doesn't write cscope.out if it's uptodate, so ensure 357 # make doesn't keep calling cscope when not needed. 358 @touch cscope.out 359 .endif 360 361 .if !target(cscope) 362 cscope: cscope.out 363 @${CSCOPE} -d 364 .endif 365 366 EXTRA_CLEAN+= ID 367 .if !target(mkid) 368 .PHONY: mkid 369 mkid: ID 370 371 ID: Makefile depend 372 ${_MKTARGET_CREATE} 373 @${MKID} `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' lib/kern/.depend \ 374 lib/compat/.depend | tr ' ' '\n' | sed "s|^../../||" | sort -u` \ 375 `sed 's/[^:]*://;s/^ *//;s/ *\\\\ *$$//;' .depend | tr ' ' '\n' \ 376 | sort -u` 377 378 .endif 379 380 .include "${S}/gdbscripts/Makefile.inc" 381 382 EXTRA_CLEAN+= .gdbinit 383 .gdbinit: Makefile ${S}/gdbscripts/Makefile.inc 384 ${_MKTARGET_CREATE} 385 rm -f .gdbinit 386 .for __gdbinit in ${SYS_GDBINIT} 387 echo "source ${S}/gdbscripts/${__gdbinit}" >> .gdbinit 388 .endfor 389 .if defined(GDBINIT) && !empty(GDBINIT) 390 .for __gdbinit in ${GDBINIT} 391 echo "source ${__gdbinit}" >> .gdbinit 392 .endfor 393 .endif 394 395 ## 396 ## the end 397 ## 398
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