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# Makefile.alpha -- with config changes.
# Copyright 1990 W. Jolitz
#	from: @(#)Makefile.alpha	7.1 5/10/91
#	$Id: Makefile.alpha,v 1.28 1999/07/02 04:16:57 mjacob Exp $
#
# Makefile for FreeBSD
#
# This makefile is constructed from a machine description:
#	config machineid
# Most changes should be made in the machine description
#	/sys/alpha/conf/``machineid''
# after which you should do
#	 config machineid
# Generic makefile changes should be made in
#	/sys/alpha/conf/Makefile.alpha
# after which config should be rerun for all machines.
#

# Which version of config(8) is required.
%VERSREQ=	400016

# Can be overridden by makeoptions or /etc/make.conf
KERNEL?=	kernel
STD8X16FONT?=	iso

.if exists(./@/.)
S=	./@
.else
S=	../..
.endif
ALPHA=	${S}/alpha

HCC?=${CC}
SIZE?=size

COPTFLAGS?=-O
INCLUDES= -nostdinc -I- -I. -I$S
# This hack is to allow kernel compiles to succeed on machines w/out srcdist
.if exists($S/../include)
INCLUDES+= -I$S/../include
.else
INCLUDES+= -I/usr/include
.endif
COPTS=	${INCLUDES} ${IDENT} -DKERNEL -include opt_global.h
CFLAGS=	${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
LOAD_ADDRESS?=	0xfffffc0000300000
DEFINED_PROF=	${PROF}
.if defined(PROF)
CFLAGS+=	-malign-functions=4
.if ${PROFLEVEL} >= 2
IDENT+=	-DGPROF4 -DGUPROF
PROF+=	-mprofiler-epilogue
.endif
.endif

NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} $<
NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${PARAM} $<
# XXX LOCORE means "don't declare C stuff" not "for locore.s".
NORMAL_S= ${CC} -c -x assembler-with-cpp -DLOCORE ${COPTS} $<
PROFILE_C= ${CC} -c ${CFLAGS} ${PARAM} $<

NORMAL_M= ${NORMAL_C}

# ${ALPHA}/alpha/setdef0.c and ${ALPHA}/alpha/setdef1.c are intentionally
# omitted from SYSTEM_CFILES.  They depend on setdefs.h, a header which
# is generated from all of ${OBJS}.  We don't want to have to compile
# everything just to do a make depend.
SYSTEM_CFILES= ioconf.c param.c vnode_if.c config.c
SYSTEM_SFILES= ${ALPHA}/alpha/locore.s
SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
SYSTEM_OBJS= locore.o setdef0.o vnode_if.o \
	${OBJS} ioconf.o param.o config.o \
	setdef1.o hack.So
SYSTEM_LD= @${LD} --export-dynamic -T$S/alpha/conf/kernel.script -e locorestart \
	-o $@ -X ${SYSTEM_OBJS} vers.o
SYSTEM_LD_TAIL= @${SIZE} $@; chmod 755 $@

%BEFORE_DEPEND

%OBJS

%CFILES

%SFILES

%MFILES

%CLEAN

all:	${KERNEL}

.if !defined(DEBUG)
FULLKERNEL=	${KERNEL}
.else
FULLKERNEL=	${KERNEL}.debug
${KERNEL}:	${FULLKERNEL}
	objcopy --strip-debug ${FULLKERNEL} ${KERNEL}
.endif

${FULLKERNEL}:	${SYSTEM_DEP} vers.o
	@rm -f ${.TARGET}
	@echo linking ${.TARGET}
	${SYSTEM_LD}
	${SYSTEM_LD_TAIL}

.if !exists(.depend)
${SYSTEM_OBJS}: ${BEFORE_DEPEND:M*.h}
.endif

clean:
	rm -f *.o *.s eddep errs genassym gensetdefs ${KERNEL} ${FULLKERNEL} \
	      linterrs makelinks param.c setdefs.h \
	      tags vers.c vnode_if.c vnode_if.h ${CLEAN}

#lint: /tmp param.c
#	@lint -hbxn -DGENERIC -Dvolatile= ${COPTS} ${PARAM} \
#	  ${ALPHA}/alpha/Locore.c ${CFILES} ioconf.c param.c | \
#	    grep -v 'struct/union .* never defined' | \
#	    grep -v 'possible pointer alignment problem'

locore.o: ${ALPHA}/alpha/locore.s assym.s
	${NORMAL_S}

hack.So: Makefile
	echo "void __elf_kld_hack() {}" > hack.c
	${CC} -shared -nostdlib hack.c -o hack.So
	rm -f hack.c

setdef0.o: ${ALPHA}/alpha/setdef0.c setdefs.h
	${NORMAL_C}

setdef1.o: ${ALPHA}/alpha/setdef1.c setdefs.h
	${NORMAL_C}

setdefs.h: gensetdefs ${OBJS}
	@echo Generating kernel linker sets
	@./gensetdefs ${OBJS} >setdefs.h

gensetdefs: gensetdefs.o
	${HCC} -static gensetdefs.o -o $@

gensetdefs.o: ${ALPHA}/alpha/gensetdefs.c
	${HCC} -c -I${INCLUDES} ${ALPHA}/alpha/gensetdefs.c

# everything potentially depends on the Makefile since everything potentially
# depends on the options.  Some things are more dependent on the Makefile for
# historical reasons.
machdep.o: Makefile

# the following is necessary because autoconf.o depends on #if GENERIC
autoconf.o: Makefile

# XXX - may no longer be needed
locore.o: Makefile

# depends on KDB (cons.o also depends on GENERIC)
trap.o cons.o: Makefile

# this rule stops ./assym.s in .depend from causing problems
./assym.s: assym.s

assym.s: genassym
	./genassym >assym.s

# Some of the defines that genassym outputs may well depend on the
# value of kernel options.
genassym.o: ${ALPHA}/alpha/genassym.c Makefile opt_global.h
	${HCC} -c ${COPTS} ${PARAM} -UKERNEL ${ALPHA}/alpha/genassym.c

genassym: genassym.o
	${HCC} -static ${COPTS} ${PARAM} genassym.o -o $@

SYSTEM_OBJS+=	__divqu.o __divq.o __divlu.o __divl.o
SYSTEM_OBJS+=	__remqu.o __remq.o __remlu.o __reml.o
CLEAN+=	__divqu.S __divq.S __divlu.S __divl.S
CLEAN+=	__remqu.S __remq.S __remlu.S __reml.S

__divqu.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__divqu')define(OP,\`div')define(S,\`false')"; \
	 echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET}

__divq.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__divq')define(OP,\`div')define(S,\`true')"; \
	 echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET}

__divlu.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__divlu')define(OP,\`div')define(S,\`false')"; \
	 echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET}

__divl.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__divl')define(OP,\`div')define(S,\`true')"; \
	 echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET}

__remqu.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__remqu')define(OP,\`rem')define(S,\`false')"; \
	 echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET}

__remq.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__remq')define(OP,\`rem')define(S,\`true')"; \
	 echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET}

__remlu.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__remlu')define(OP,\`rem')define(S,\`false')"; \
	 echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET}

__reml.S: ${S}/alpha/alpha/divrem.m4
	@echo 'building ${.TARGET} from ${.ALLSRC}'
	@(echo "define(NAME,\`__reml')define(OP,\`rem')define(S,\`true')"; \
	 echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET}


${OBJS}: opt_global.h

depend: assym.s param.c vnode_if.h ${BEFORE_DEPEND}
	rm -f .newdep
	mkdep -a -f .newdep ${COPTS} ${CFILES} ${SYSTEM_CFILES}
	mkdep -a -f .newdep ${COPTS} ${PARAM} -UKERNEL ${ALPHA}/alpha/genassym.c
	MKDEP_CPP="${CC} -E -x assembler-with-cpp" ; export MKDEP_CPP ; \
	mkdep -a -f .newdep -DLOCORE ${COPTS} ${SFILES} ${SYSTEM_SFILES}
	rm -f .depend
	mv -f .newdep .depend

cleandepend:
	rm -f .depend

links:
	egrep '#if' ${CFILES} | sed -f $S/conf/defines | \
	  sed -e 's/:.*//' -e 's/\.c/.o/' | sort -u > dontlink
	echo ${CFILES} | tr -s ' ' '\12' | sed 's/\.c/.o/' | \
	  sort -u | comm -23 - dontlink | \
	  sed 's,../.*/\(.*.o\),rm -f \1;ln -s ../GENERIC/\1 \1,' > makelinks
	sh makelinks && rm -f dontlink

tags:
	@[ -f .depend ] || { echo "you must make depend first"; exit 1; }
	sh $S/conf/systags.sh
	rm -f tags1
	sed -e 's,      ../,    ,' tags > tags1
  
install install.debug:
	@if [ ! -f ${KERNEL}${.TARGET:S/install//} ] ; then \
		echo "You must first build a kernel first." ; \
		exit 1 ; \
	fi
.if exists(${DESTDIR}/${KERNEL})
	-chflags noschg ${DESTDIR}/${KERNEL}
	mv ${DESTDIR}/${KERNEL} ${DESTDIR}/${KERNEL}.old
.endif
	PATH=$${PATH}:/sbin:/usr/sbin; \
	if [ `sysctl -n kern.bootfile` = ${DESTDIR}/${KERNEL} ] ; then \
		sysctl -w kern.bootfile=${DESTDIR}/${KERNEL}.old ; \
		if [ -f /var/db/kvm_${KERNEL}.db ] ; then \
			mv -f /var/db/kvm_${KERNEL}.db /var/db/kvm_${KERNEL}.old.db ; \
		fi \
	fi
	install -c -m 555 -o root -g wheel -fschg \
		${KERNEL}${.TARGET:S/install//} ${DESTDIR}/${KERNEL}

reinstall reinstall.debug:
	install -c -m 555 -o root -g wheel -fschg \
		${KERNEL}${.TARGET:S/reinstall//} ${DESTDIR}/${KERNEL}

ioconf.o: ioconf.c $S/sys/param.h $S/sys/buf.h
	${CC} -c ${CFLAGS} ioconf.c

param.c: $S/conf/param.c
	-rm -f param.c
	cp $S/conf/param.c .

param.o: param.c Makefile
	${CC} -c ${CFLAGS} ${PARAM} param.c

vers.o: ${SYSTEM_DEP} ${SYSTEM_SWAP_DEP}
	sh $S/conf/newvers.sh ${KERN_IDENT} ${IDENT}
	${CC} ${CFLAGS} -c vers.c

vnode_if.c: $S/kern/vnode_if.sh $S/kern/vnode_if.src
	sh $S/kern/vnode_if.sh $S/kern/vnode_if.src
vnode_if.h: $S/kern/vnode_if.sh $S/kern/vnode_if.src
	sh $S/kern/vnode_if.sh $S/kern/vnode_if.src

.if exists($S/../share/mk)
.include "$S/../share/mk/bsd.kern.mk"
.else
.include <bsd.kern.mk>
.endif

%RULES

# DO NOT DELETE THIS LINE -- make depend uses it
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