#	$OpenBSD: Makefile.hppa64,v 1.20 2010/04/27 06:46:25 deraadt Exp $

# For instructions on building kernels consult the config(8) and options(4)
# manual pages.
#
# N.B.: NO DEPENDENCIES ON FOLLOWING FLAGS ARE VISIBLE TO MAKEFILE
#	IF YOU CHANGE THE DEFINITION OF ANY OF THESE RECOMPILE EVERYTHING
# DEBUG is set to -g by config if debugging is requested (config -g).
# PROF is set to -pg by config if profiling is requested (config -p).

.include <bsd.own.mk>

MKDEP?=	mkdep
SIZE?=	size
STRIP?=	strip

# source tree is located via $S relative to the compilation directory
.ifndef S
S!=	cd ../../../..; pwd
.endif

_mach?=		hppa64
_arch?=		hppa64
_machdir?=	$S/arch/${_mach}
_archdir?=	$S/arch/${_arch}

INCLUDES=	-I. -I$S -I$S/arch -nostdinc
CPPFLAGS=	${INCLUDES} ${IDENT} ${PARAM} -D_KERNEL \
		-Dhppa64
CWARNFLAGS=	-Werror -Wall -Wstrict-prototypes -Wno-uninitialized \
		-Wno-format -Wno-main \
		-Wstack-larger-than-2047 -Wvariable-decl
CMACHFLAGS=	-fno-stack-protector -fno-builtin-log -fno-builtin-printf \
		-fno-builtin-snprintf -fno-builtin-vsnprintf
COPTS?=		-Os -mpa-risc-2-0 -mno-space-regs -mdisable-fpregs
CFLAGS=		${DEBUG} ${COPTS} ${CWARNFLAGS} ${CMACHFLAGS} ${PIPE}
AFLAGS=		-x assembler-with-cpp -traditional-cpp -D_LOCORE
LINKFLAGS=	-X -T ${_machdir}/conf/ld.script -Ttext 80000 --warn-common
STRIPFLAGS=	-g -x

.if ${IDENT:M-DDDB} != ""
CFLAGS+=	-fno-omit-frame-pointer
.endif

.if ${IDENT:M-DDDB_STRUCT}
DB_STRUCTINFO=	db_structinfo.h
.else
DB_STRUCTINFO=
.endif

HOSTCC?=	${CC}
HOSTED_CPPFLAGS=${CPPFLAGS:S/^-nostdinc$//}
HOSTED_CFLAGS=	${CFLAGS}

# compile rules: rules are named ${TYPE}_${SUFFIX} where TYPE is NORMAL or
# HOSTED}, and SUFFIX is the file suffix, capitalized (e.g. C for a .c file).

NORMAL_C=	${CC} ${CFLAGS} ${CPPFLAGS} ${PROF} -c $<
NORMAL_S=	${CC} ${AFLAGS} ${CPPFLAGS} -c $<

HOSTED_C=	${HOSTCC} ${HOSTED_CFLAGS} ${HOSTED_CPPFLAGS} -c $<

%OBJS

%CFILES

%SFILES

# load lines for config "xxx" will be emitted as:
# xxx: ${SYSTEM_DEP} swapxxx.o
#	${SYSTEM_LD_HEAD}
#	${SYSTEM_LD} swapxxx.o
#	${SYSTEM_LD_TAIL}
SYSTEM_OBJ=	locore.o param.o ioconf.o ${OBJS} ${LIBSPMATH}
SYSTEM_DEP=	Makefile ${SYSTEM_OBJ}
SYSTEM_LD_HEAD=	@rm -f $@
SYSTEM_LD=	@echo ${LD} ${LINKFLAGS} -o $@ '$${SYSTEM_OBJ}' vers.o; \
		${LD} ${LINKFLAGS} -o $@ ${SYSTEM_OBJ} vers.o
SYSTEM_LD_TAIL=	@${SIZE} $@; chmod 755 $@

DEBUG?=
.if ${DEBUG} == "-g"
SYSTEM_LD_TAIL+=; \
		echo mv $@ $@.gdb; rm -f $@.gdb; mv $@ $@.gdb; \
		echo ${STRIP} ${STRIPFLAGS} -o $@ $@.gdb; \
		${STRIP} ${STRIPFLAGS} -o $@ $@.gdb
.else
LINKFLAGS+=	-S
.endif

%LOAD

assym.h: $S/kern/genassym.sh Makefile \
	 ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf
	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
	    sh $S/kern/genassym.sh ${CC} ${CFLAGS} ${CPPFLAGS} ${PARAM} | \
	    sort -u > assym.h.tmp && \
	    mv -f assym.h.tmp assym.h

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

param.o: param.c Makefile
	${NORMAL_C}

mcount.o: $S/lib/libkern/mcount.c Makefile
	${NORMAL_C_NOP}

ioconf.o: ioconf.c
	${NORMAL_C}

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


clean::
	rm -f eddep *bsd bsd.gdb tags *.[io] [a-z]*.s \
	    [Ee]rrs linterrs makelinks assym.h ${DB_STRUCTINFO}

lint:
	@lint -hbxncez -DGENERIC -Dvolatile= ${CPPFLAGS} -UKGDB \
	    ${CFILES} ioconf.c param.c | \
	    grep -v 'static function .* unused'

tags:
	@echo "see $S/kern/Makefile for tags"

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

SRCS=	${_machdir}/${_mach}/locore.S \
	param.c ioconf.c ${CFILES} ${SFILES}
depend:: .depend
.depend: ${SRCS} assym.h param.c ${DB_STRUCTINFO}
	${MKDEP} ${AFLAGS} ${CPPFLAGS} ${_machdir}/${_mach}/locore.S
	${MKDEP} -a ${CFLAGS} ${CPPFLAGS} param.c ioconf.c ${CFILES}
	-if test -n "${SFILES}"; then \
		${MKDEP} -a ${AFLAGS} ${CPPFLAGS} ${SFILES}; \
	fi
	cat ${_archdir}/${_arch}/genassym.cf ${_machdir}/${_mach}/genassym.cf | \
	    sh $S/kern/genassym.sh ${MKDEP} -f assym.dep ${CFLAGS} ${CPPFLAGS}
	@sed -e 's/.*\.o: /assym.h: /' -e 's/\/tmp\/genassym_c.[^ ]*//' \
	    < assym.dep >> .depend
	@rm -f assym.dep

db_structinfo.h: $S/ddb/db_structinfo.c $S/ddb/parse_structinfo.awk
	${CC} ${CFLAGS} ${CPPFLAGS} -gstabs -c $S/ddb/db_structinfo.c
	objdump -g db_structinfo.o | awk -f $S/ddb/parse_structinfo.awk > $@
	rm -f db_structinfo.o

locore.o: ${_machdir}/${_mach}/locore.S assym.h
	${NORMAL_S}

fpemu.o: assym.h

# The install target can be redefined by putting a
# install-kernel-${MACHINE_NAME} target into /etc/mk.conf
MACHINE_NAME!=  uname -n
install: install-kernel-${MACHINE_NAME}
.if !target(install-kernel-${MACHINE_NAME}})
install-kernel-${MACHINE_NAME}:
	rm -f /obsd
	ln /bsd /obsd
	cp bsd /nbsd
	mv /nbsd /bsd
.endif

%RULES