# $FreeBSD$
#
# Common Alpha loader build rules

.PATH:		${.CURDIR}/../common

# Alpha-specific bootstrap sources
SRCS+=		main.c conf.c
.if ${BASE} == netboot
SRCS+=		dev_net.c
.endif

# Always add MI sources 
.PATH:		${.CURDIR}/../../common
.include	<${.CURDIR}/../../common/Makefile.inc>
CFLAGS+=	-mno-fp-regs
CFLAGS+=	-I${.CURDIR}/../../common -I${.CURDIR}
CFLAGS+=	-I${.CURDIR}/../../.. -I.
CFLAGS+=	-DPRIMARY_LOAD_ADDRESS=${PRIMARY_LOAD_ADDRESS} \
		-DSECONDARY_LOAD_ADDRESS=${SECONDARY_LOAD_ADDRESS}

CLEANFILES+=	vers.c vers.o gensetdefs.o gensetdefs setdef0.o setdef1.o \
		setdefs.h start.o
CLEANFILES+=	${BASE} ${BASE}.sym ${BASE}.list

CFLAGS+=	-Wall

CFLAGS+=	-I${LIBSTANDDIR}
CFLAGS+=	-I${.CURDIR}/..
CRT=		start.o
STRIP=
BINDIR?=	/boot

all: ${BASE}

vers.o: ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version
	sh ${.CURDIR}/../../common/newvers.sh ${.CURDIR}/version ${NEWVERSWHAT}
	${CC} -c vers.c

${BASE}: ${BASE}.sym ${BASE}.help
	objcopy -O binary ${BASE}.sym ${BASE}

${BASE}.sym: ${OBJS} ${LIBSTAND} ${LIBALPHA} ${CRT} vers.o setdef0.o setdef1.o
	${LD} -o ${BASE}.sym -M -e start -N -Ttext ${LOAD_ADDRESS} \
	${CRT} setdef0.o ${OBJS} setdef1.o \
	vers.o ${LIBSTAND} ${LIBALPHA} ${LIBSTAND} >${.OBJDIR}/${BASE}.list

${BASE}.help: help.common help.alpha
	cat ${.ALLSRC} | awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}

.ifdef INSTALL_HELP
beforeinstall:
.if exists(${.OBJDIR}/loader.help)
	${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 \
		${.OBJDIR}/${BASE}.help ${DESTDIR}/boot
.else
	${INSTALL} -C -o ${BINOWN} -g ${BINGRP} -m 444 \
		${.CURDIR}/${BASE}.help ${DESTDIR}/boot
.endif
.endif

start.o:	${.CURDIR}/../libalpha/start.S
	${CC} -c ${CFLAGS} $<

setdef0.o: setdefs.h

setdef1.o: setdefs.h

machine:
	ln -sf ${.CURDIR}/../../../alpha/include machine

CLEANFILES+=	machine

.include <bsd.prog.mk>

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

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

gensetdefs.o: gensetdefs.c
	${CC} -c $<

beforedepend ${OBJS}: machine