# $FreeBSD$

.include <src.opts.mk>

FILES=		ubldr

NEWVERSWHAT=	"U-Boot loader" ${MACHINE_ARCH}
BINDIR?=	/boot
INSTALLFLAGS=	-b
WARNS?=		1
# Address at which ubldr will be loaded.
# This varies for different boards and SOCs.
UBLDR_LOADADDR?=	0xffffffff80800000

# Architecture-specific loader code
SRCS=		start.S conf.c vers.c

.if !defined(LOADER_NO_DISK_SUPPORT)
LOADER_DISK_SUPPORT?=	yes
.else
LOADER_DISK_SUPPORT=	no
.endif
LOADER_MSDOS_SUPPORT?=	yes
LOADER_UFS_SUPPORT?=	yes
LOADER_CD9660_SUPPORT?=	no
LOADER_EXT2FS_SUPPORT?=	no
.if ${MK_NAND} != "no"
LOADER_NANDFS_SUPPORT?= yes
.else
LOADER_NANDFS_SUPPORT?= no
.endif
LOADER_NET_SUPPORT?=	yes
LOADER_NFS_SUPPORT?=	yes
LOADER_TFTP_SUPPORT?=	no
LOADER_GZIP_SUPPORT?=	no
LOADER_BZIP2_SUPPORT?=	no
.if ${MK_FDT} != "no"
LOADER_FDT_SUPPORT=	yes
.else
LOADER_FDT_SUPPORT=	no
.endif

.if ${LOADER_DISK_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_DISK_SUPPORT
.endif
.if ${LOADER_MSDOS_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_MSDOS_SUPPORT
.endif
.if ${LOADER_UFS_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_UFS_SUPPORT
.endif
.if ${LOADER_CD9660_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_CD9660_SUPPORT
.endif
.if ${LOADER_EXT2FS_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_EXT2FS_SUPPORT
.endif
.if ${LOADER_NANDFS_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_NANDFS_SUPPORT
.endif
.if ${LOADER_GZIP_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_GZIP_SUPPORT
.endif
.if ${LOADER_BZIP2_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_BZIP2_SUPPORT
.endif
.if ${LOADER_NET_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_NET_SUPPORT
.endif
.if ${LOADER_NFS_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_NFS_SUPPORT
.endif
.if ${LOADER_TFTP_SUPPORT} == "yes"
CFLAGS+=	-DLOADER_TFTP_SUPPORT
.endif
.if ${LOADER_FDT_SUPPORT} == "yes"
CFLAGS+=	-I${.CURDIR}/../../fdt
CFLAGS+=	-I${.OBJDIR}/../../fdt
CFLAGS+=	-DLOADER_FDT_SUPPORT
LIBUBOOT_FDT=	${.OBJDIR}/../../uboot/fdt/libuboot_fdt.a
LIBFDT=		${.OBJDIR}/../../fdt/libfdt.a
.endif

.if ${MK_FORTH} != "no"
# Enable BootForth
BOOT_FORTH=	yes
CFLAGS+=	-DBOOT_FORTH -I${.CURDIR}/../../ficl
.if ${MACHINE_ARCH:Mmips64*} != ""
CFLAGS+=	-I${.CURDIR}/../../ficl/mips64
.else
CFLAGS+=	-I${.CURDIR}/../../ficl/mips
.endif
LIBFICL=	${.OBJDIR}/../../ficl/libficl.a
.endif

# Always add MI sources
.PATH:		${.CURDIR}/../../common
.include	"${.CURDIR}/../../common/Makefile.inc"
CFLAGS+=	-I${.CURDIR}/../../common
CFLAGS+=	-I.

CLEANFILES+=	loader.help

CFLAGS+=	-ffreestanding -msoft-float -g

LDFLAGS=	-nostdlib -static -T ${.CURDIR}/ldscript.${MACHINE_CPUARCH}

# Pull in common loader code
.PATH:		${.CURDIR}/../../uboot/common
.include	"${.CURDIR}/../../uboot/common/Makefile.inc"
CFLAGS+=	-I${.CURDIR}/../../uboot/common

# U-Boot standalone support library
LIBUBOOT=	${.OBJDIR}/../../uboot/lib/libuboot.a
CFLAGS+=	-I${.CURDIR}/../../uboot/lib
CFLAGS+=	-I${.OBJDIR}/../../uboot/lib

# clang doesn't understand %D as a specifier to printf
#NO_WERROR.clang=
#NO_WERROR=

DPADD=		${LIBFICL} ${LIBUBOOT} ${LIBFDT} ${LIBUBOOT_FDT} ${LIBSA}
LDADD=		${LIBFICL} ${LIBUBOOT} ${LIBFDT} ${LIBUBOOT_FDT} ${LIBSA}

OBJS+=  ${SRCS:N*.h:R:S/$/.o/g}

loader.help: help.common help.uboot ${.CURDIR}/../../fdt/help.fdt
	cat ${.ALLSRC} | \
	    awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}

ldscript.abs:
	echo "UBLDR_LOADADDR = ${UBLDR_LOADADDR};" >${.TARGET}

ldscript.pie:
	echo "UBLDR_LOADADDR = 0;" >${.TARGET}

ubldr: ${OBJS} ldscript.abs ${.CURDIR}/ldscript.${MACHINE_CPUARCH} ${DPADD}
	${CC} ${CFLAGS} -T ldscript.abs ${LDFLAGS} \
	    -o ${.TARGET} ${OBJS} ${LDADD}
	${OBJCOPY} -S -O binary ubldr ubldr.bin

CLEANFILES+=	ldscript.abs ldscript.pie ubldr ubldr.pie ubldr.bin

.if !defined(LOADER_ONLY)
.PATH: ${.CURDIR}/../../forth
.include	"${.CURDIR}/../../forth/Makefile.inc"

# Install loader.rc.
FILES+=	loader.rc
# Put sample menu.rc on disk but don't enable it by default.
FILES+=	menu.rc
FILESNAME_menu.rc=	menu.rc.sample
.endif

.include <bsd.stand.mk>
.include <bsd.prog.mk>