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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
HOSTARCH := $(shell uname -m | \
sed -e s/i.86/i386/ \
-e s/sun4u/sparc64/ \
-e s/arm.*/arm/ \
-e s/sa110/arm/ \
-e s/powerpc/ppc/ \
-e s/macppc/ppc/)
HOSTOS := $(shell uname -s | tr A-Z a-z | \
sed -e 's/\(cygwin\).*/cygwin/')
export HOSTARCH
# Deal with colliding definitions from tcsh etc.
VENDOR=
#########################################################################
TOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
export TOPDIR
ifeq (include/config.mk,$(wildcard include/config.mk))
# load ARCH, BOARD, and CPU configuration
include include/config.mk
# load other configuration
include $(TOPDIR)/config.mk
ifndef CROSS_COMPILE
ifeq ($(HOSTARCH),ppc)
CROSS_COMPILE =
else
ifeq ($(ARCH),ppc)
CROSS_COMPILE = ppc_8xx-
endif
ifeq ($(ARCH),arm)
ifeq ($(HOSTARCH),i386)
CROSS_COMPILE =
else
CROSS_COMPILE = i386-linux-
endif
ifeq ($(ARCH),mips)
CROSS_COMPILE = mips_4KC-
endif
ifeq ($(ARCH),nios)
CROSS_COMPILE = nios-elf-
endif
ifeq ($(ARCH),m68k)
CROSS_COMPILE = m68k-elf-
endif
ifeq ($(ARCH),microblaze)
CROSS_COMPILE = mb-
endif
endif
endif
export CROSS_COMPILE
#########################################################################
# U-Boot objects....order is important (i.e. start must be first)
OBJS += cpu/$(CPU)/start16.o
OBJS += cpu/$(CPU)/reset.o
ifeq ($(CPU),mpc85xx)
OBJS += cpu/$(CPU)/resetvec.o
endif
LIBS = lib_generic/libgeneric.a
LIBS += board/$(BOARDDIR)/lib$(BOARD).a
ifdef SOC
LIBS += cpu/$(CPU)/$(SOC)/lib$(SOC).a
endif
LIBS += fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a \
LIBS += net/libnet.a
LIBS += disk/libdisk.a
LIBS += rtc/librtc.a
LIBS += dtt/libdtt.a
LIBS += drivers/libdrivers.a
LIBS += post/libpost.a post/cpu/libcpu.a
LIBS += common/libcommon.a
PLATFORM_LIBS += --no-warn-mismatch -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
# The "tools" are needed early, so put this first
# Don't include stuff already done in $(LIBS)
SUBDIRS = tools \
examples \
post \
post/cpu
#########################################################################
#########################################################################
ALL = u-boot.srec u-boot.bin System.map
u-boot.srec: u-boot
$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
u-boot.bin: u-boot
$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
u-boot.img: u-boot.bin
./tools/mkimage -A $(ARCH) -T firmware -C none \
-a $(TEXT_BASE) -e 0 \
-n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' include/version.h | \
sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
-d $< $@
u-boot: depend $(SUBDIRS) $(OBJS) $(LIBS) $(LDSCRIPT)
UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) |sed -n -e 's/.*\(__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
$(LD) $(LDFLAGS) $$UNDEF_SYM $(OBJS) \
--start-group $(LIBS) $(PLATFORM_LIBS) --end-group \
$(LIBS):
$(MAKE) -C `dirname $@`
$(SUBDIRS):
gdbtools:
$(MAKE) -C tools/gdb || exit 1
depend dep:
@for dir in $(SUBDIRS) ; do $(MAKE) -C $$dir .depend ; done
tags:
ctags -w `find $(SUBDIRS) include \
lib_generic board/$(BOARDDIR) cpu/$(CPU) lib_$(ARCH) \
fs/cramfs fs/fat fs/fdos fs/jffs2 \
net disk rtc dtt drivers drivers/sk98lin common \
\( -name CVS -prune \) -o \( -name '*.[ch]' -print \)`
etags:
etags -a `find $(SUBDIRS) include \
lib_generic board/$(BOARDDIR) cpu/$(CPU) lib_$(ARCH) \
fs/cramfs fs/fat fs/fdos fs/jffs2 \
net disk rtc dtt drivers drivers/sk98lin common \
\( -name CVS -prune \) -o \( -name '*.[ch]' -print \)`
System.map: u-boot
@$(NM) $< | \
grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
sort > System.map
#########################################################################
else
all install u-boot u-boot.srec depend dep:
@echo "System not configured - see README" >&2
@ exit 1
endif
#########################################################################
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