#       $NetBSD: Makefile,v 1.42 2023/06/03 21:26:28 lukem Exp $

include <bsd.init.mk>

CURDIR= ${.CURDIR}
S=      ${CURDIR}/../../../..

#
# Override normal settings
#

WARNS?=         2
KLINK_MACHINE=  sparc64

PROG?=          ofwboot
SRCS=           srt0.s Locore.c boot.c ofdev.c alloc.c net.c netif_of.c
SRCS+=          bootinfo.c loadfile_machdep.c promlib.c prf.c isfloppy.c
if ${MACHINE_ARCH} == "sparc64"
SRCS+=          hvcall.S
CPPFLAGS+=      -DSUN4V
endif
PATH:           ${S}/arch/sparc64/sparc64 ${S}/arch/sparc/stand/common

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

COPTS+=         -ffreestanding -mcpu=v9
CWARNFLAGS+=    -Wno-main
CFLAGS+=        ${COPTS}
CPPFLAGS+=      -D_STANDALONE
CPPFLAGS+=      -DBOOT_ELF32 -DBOOT_ELF64 -DBOOT_AOUT
CPPFLAGS+=      -DNETBOOT
CPPFLAGS+=      -DSUPPORT_DHCP
#CPPFLAGS+=     -DNETIF_DEBUG
#CPPFLAGS+=     -D_DEBUG

# Follow the suit of Makefile.kern.inc; needed for the lfs64 union
# accessors -- they don't actually dereference the resulting pointer,
# just use it for type-checking.
CWARNFLAGS+=    ${CC_WNO_ADDRESS_OF_PACKED_MEMBER}

LINKS+=         ${BINDIR}/ofwboot ${BINDIR}/ofwboot.net

NOMAN=          # defined
STRIPFLAG=
BINMODE=        444

NEWVERSWHAT=    "OpenFirmware Boot"

#
# Elf64 defaults to 1MB
#
# We may get address conflicts with other bootloaders, say
# Sun's ufsboot, so we'll pick a reasonably empty address.
#
RELOC=          100000

ENTRY=          _start

CPPFLAGS+=      -I${CURDIR}/../../.. -I${CURDIR}/../../../.. -I${CURDIR} -I.
CPPFLAGS+=      -I${CURDIR}/../../../../../common/include
CPPFLAGS+=      -DRELOC=0x${RELOC}

#
# XXXXX FIXME
#
CPPFLAGS+=      -DSPARC_BOOT_AOUT
CPPFLAGS+=      -DSPARC_BOOT_ELF
CPPFLAGS+=      -DSPARC_BOOT_UFS
CPPFLAGS+=      -DSPARC_BOOT_NFS
CPPFLAGS+=      -DSPARC_BOOT_CD9660

### 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
Z_AS=           library
include "${S}/lib/libz/Makefile.inc"
LIBZ=           ${ZLIB}

### find out what to use for libsa
SA_AS=          library
SAMISCMAKEFLAGS= SA_USE_LOADFILE=yes SA_USE_CREAD=yes
SAMISCCPPFLAGS+= -DCOMPAT_SOLARIS_UFS
include "${S}/lib/libsa/Makefile.inc"
LIBSA=          ${SALIB}

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

include <bsd.own.mk>
include <bsd.klinks.mk>

if CROSS
${PROG}: ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN}
       ${_MKTARGET_LINK}
       ${LD} -N -p -Ttext ${RELOC} -e ${ENTRY} >lderr -o ${PROG} \
           ${OBJS} -L${SADST} -lsa -L${ZDST} -lz -L${KERNDST} -lkern # solaris linker
else
${PROG}: ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN}
       ${_MKTARGET_LINK}
       ${LD} -X -N -S -Ttext ${RELOC} -e ${ENTRY} -o ${PROG} \
           ${OBJS} ${LIBSA} ${LIBZ} ${LIBKERN} # native linker
endif

include <bsd.prog.mk>

CPUFLAGS+=              -mcpu=v9
AFLAGS+=                -Wa,-Av9a
AFLAGS+=                -x assembler-with-cpp -D_LOCORE -D__ELF__

NORMAL_S=       ${CC} ${AFLAGS} ${AFLAGS.${<:T}}  ${CPPFLAGS} -c $<
srt0.o: srt0.s
       ${NORMAL_S}

hvcall.o: hvcall.S
       ${NORMAL_S}


# Explicit dependency for this.
boot.o: boot.c