Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

#	$NetBSD: Makefile.booters,v 1.24 2017/04/08 19:53:21 christos Exp $

NOMAN=		# defined
NOPIE=		# defined

.include <bsd.init.mk>

S=	${.CURDIR}/../../../..
MIPS=	${S}/arch/mips
MIPSCO=	${S}/arch/mipsco

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

BINMODE?= 444

# XXX SHOULD NOT NEED TO DEFINE THESE!
LIBCRT0=
LIBCRTI=
LIBC=
LIBCRTBEGIN=
LIBCRTEND=

realall: ${PROG}

AFLAGS+=	-D_LOCORE -D_KERNEL -DASSEMBLER -mno-abicalls
# -I${.CURDIR}/../.. done by Makefile.inc
CPPFLAGS+=	-nostdinc -D_STANDALONE -DNO_ABICALLS -D_NO_PROM_DEFINES
CPPFLAGS+=	-I${.OBJDIR} -I${S}
# compiler flags for smallest code size
#CFLAGS=		-Os -mmemcpy -mno-abicalls -G 128
CFLAGS=		-Os -mmemcpy -ffreestanding -mno-abicalls -msoft-float -G 128
CFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith

NETBSD_VERS!=	${HOST_SH} ${S}/conf/osrelease.sh
CPPFLAGS+=	-DNETBSD_VERS='"${NETBSD_VERS}"'

PRIMARY_LOAD_ADDRESS?=	0x80600000
SECONDARY_LOAD_ADDRESS?=0x80610000

LDSCRIPT?=	${MIPSCO}/conf/stand.ldscript

.include <bsd.own.mk>

.if defined(PRIMARY_PROG)
PROG=		${PRIMARY_PROG}
SRCS =		start.S bootxx.c callvec.c
SRCS+=		devopen.c conf.c saio.c
SRCS+=		prom.S

LOAD_ADDRESS=	${PRIMARY_LOAD_ADDRESS}

CPPFLAGS+=	-DPRIMARY_BOOTBLOCK \
		-DPRIMARY_LOAD_ADDRESS="${PRIMARY_LOAD_ADDRESS}" \
		-DNO_GETCHAR \
		-DLIBSA_NO_FS_SYMLINK -DLIBSA_NO_FS_WRITE \
		-DLIBSA_NO_FS_CLOSE \
		-DLIBSA_NO_DEV_CLOSE \
		-DLIBSA_NO_DEV_IOCTL \
		-DLIBSA_SINGLE_DEVICE=saio \
		-D"saioioctl(x,y,z)=EINVAL" -D"saioclose(f)=0" \
		-DLIBSA_NO_TWIDDLE \
		-DLIBSA_NO_FD_CHECKING \
		-DLIBSA_NO_DISKLABEL_MSGS \
		-DLIBSA_NO_RAW_ACCESS \
		-DALLOC_FIRST_FIT


CHECKSIZE_CMD?=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh

STRIPSECTIONS?= -R .reginfo -R .mdebug.abi32 -R .comment -R .pdr \
	-R .MIPS.abiflags  -R .gnu.attributes

.elif defined(SECONDARY_PROG)
PROG=		${SECONDARY_PROG}
LOAD_ADDRESS=	${SECONDARY_LOAD_ADDRESS}
CPPFLAGS+=	-DSECONDARY_BOOTBLOCK

.include "${S}/conf/newvers_stand.mk"

.else

.endif

### find out what to use for libkern
KERN_AS=	library
.include "${S}/lib/libkern/Makefile.inc"
LIBKERN=	${KERNLIB}

### find out what to use for libz
.if defined(PRIMARY_PROG)
LIBZ=
.else
Z_AS=		library
.include "${S}/lib/libz/Makefile.inc"
LIBZ=		${ZLIB}
.endif

### find out what to use for libsa
SA_AS=		library
.if defined(PRIMARY_PROG)
SAMISCMAKEFLAGS+=SA_INCLUDE_NET=no
.endif
.if defined(SECONDARY_PROG)
SAMISCMAKEFLAGS+=SA_USE_LOADFILE=yes SA_USE_CREAD=yes
# for now:
SAMISCMAKEFLAGS+=SA_INCLUDE_NET=no
.endif
.include "${S}/lib/libsa/Makefile.inc"
LIBSA=		${SALIB}

LIBS=		${LIBSA} ${LIBZ} ${LIBSA} ${LIBKERN}

${PROG}: ${LDSCRIPT} ${OBJS} ${LIBS}
	${_MKTARGET_LINK}
	${LD} ${OFORMAT} -Map ${PROG}.map -N -x -Ttext ${LOAD_ADDRESS} \
	    -T ${LDSCRIPT} -e start -o ${PROG} ${OBJS} ${LIBS}
	@${SIZE} ${PROG}
.if defined(PRIMARY_PROG)
	mv ${PROG} ${PROG}.elf
	${OBJCOPY} --strip-all -O ecoff-bigmips ${STRIPSECTIONS} \
	    ${PROG}.elf ${PROG}
.endif
.if defined(CHECKSIZE_CMD)
	@${CHECKSIZE_CMD} ${PROG} ${PRIMARY_MAX_LOAD} || \
	    (rm -f ${PROG} ; false)
.endif

CLEANFILES+=	${PROG}.map ${PROG}.elf

cleandir distclean: .WAIT cleanlibdir

cleanlibdir:
	-rm -rf lib

.include <bsd.prog.mk>
.include <bsd.klinks.mk>