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#
# (C) Copyright 2004-2006, Texas Instruments, <www.ti.com>
# Jian Zhang <jzhang@ti.com>
#
# (C) Copyright 2000-2004
# 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=
#########################################################################
#
# X-loader build supports producing a object files to the separate external
# directory. Two use cases are supported:
#
# 1) Add O= to the make command line
# 'make O=/tmp/build all'
#
# 2) Set environement variable BUILD_DIR to point to the desired location
# 'export BUILD_DIR=/tmp/build'
# 'make'
#
# Command line 'O=' setting overrides BUILD_DIR environent variable.
#
# When none of the above methods is used the local build is performed and
# the object files are placed in the source directory.
#
ifdef O
ifeq ("$(origin O)", "command line")
BUILD_DIR := $(O)
endif
endif
ifneq ($(BUILD_DIR),)
saved-output := $(BUILD_DIR)
# Attempt to create a output directory.
$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
# Verify if it was successful.
BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
endif # ifneq ($(BUILD_DIR),)
OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
SRCTREE := $(CURDIR)
TOPDIR := $(SRCTREE)
LNDIR := $(OBJTREE)
export TOPDIR SRCTREE OBJTREE
MKCONFIG := $(SRCTREE)/mkconfig
export MKCONFIG
ifneq ($(OBJTREE),$(SRCTREE))
REMOTE_BUILD := 1
export REMOTE_BUILD
endif
# $(obj) and (src) are defined in config.mk but here in main Makefile
# we also need them before config.mk is included which is the case for
# some targets like unconfig, clean, clobber, distclean, etc.
ifneq ($(OBJTREE),$(SRCTREE))
obj := $(OBJTREE)/
src := $(SRCTREE)/
else
obj :=
src :=
endif
export obj src
# Make sure CDPATH settings don't interfere
unexport CDPATH
#########################################################################
ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
# load ARCH, BOARD, and CPU configuration
include $(obj)include/config.mk
export ARCH CPU BOARD VENDOR
# load other configuration
include $(TOPDIR)/config.mk
ifndef CROSS_COMPILE
CROSS_COMPILE = arm-none-linux-gnueabi-
#CROSS_COMPILE = arm-linux-
export CROSS_COMPILE
endif
#########################################################################
# X-LOAD objects....order is important (i.e. start must be first)
OBJS = cpu/$(CPU)/start.o
OBJS := $(addprefix $(obj),$(OBJS))
LIBS += board/$(BOARDDIR)/lib$(BOARD).a
LIBS += cpu/$(CPU)/lib$(CPU).a
LIBS += lib/lib$(ARCH).a
LIBS += fs/fat/libfat.a
LIBS += disk/libdisk.a
LIBS += drivers/libdrivers.a
LIBS += common/libcommon.a
LIBS := $(addprefix $(obj),$(sort $(LIBS)))
.PHONY : $(LIBS)
# Add GCC lib
PLATFORM_LIBS += -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
SUBDIRS =
__OBJS := $(subst $(obj),,$(OBJS))
__LIBS := $(subst $(obj),,$(LIBS))
#########################################################################
#########################################################################
ALL = $(obj)x-load.bin $(obj)System.map
all: $(ALL)
ift: $(ALL) $(obj)x-load.bin.ift
$(obj)x-load.bin.ift: $(obj)signGP $(obj)System.map $(obj)x-load.bin
TEXT_BASE=`grep -w _start $(obj)System.map|cut -d ' ' -f1`
$(obj)./signGP $(obj)x-load.bin $(TEXT_BASE)
cp $(obj)x-load.bin.ift $(obj)MLO
$(obj)x-load.bin: $(obj)x-load
$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
$(obj)x-load: $(OBJS) $(LIBS) $(LDSCRIPT)
UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) |sed -n -e 's/.*\(__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
-Map x-load.map -o x-load
$(OBJS):
$(MAKE) -C cpu/$(CPU) $(if $(REMOTE_BUILD),$@,$(notdir $@))
$(LIBS):
$(MAKE) -C $(dir $(subst $(obj),,$@))
$(obj)System.map: $(obj)x-load
@$(NM) $< | \
grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
sort > $(obj)System.map
oneboot: $(obj)x-load.bin
scripts/mkoneboot.sh
$(obj)signGP: scripts/signGP.c
gcc -Wall -g -O3 -o $(obj)signGP $<
#########################################################################
else
all $(obj)x-load $(obj)x-load.bin oneboot depend dep $(obj)System.map:
@echo "System not configured - see README" >&2
@ exit 1
endif
#########################################################################
unconfig:
rm -f $(obj)include/config.h $(obj)include/config.mk
#========================================================================
# ARM
#========================================================================
#########################################################################
## OMAP2 (ARM1136) Systems
#########################################################################
omap2420h4_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm1136 omap2420h4
omap2430sdp_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm1136 omap2430sdp
#########################################################################
## OMAP3 (ARM-CortexA8) Systems
#########################################################################
omap3430sdp_config : unconfig
@$(MKCONFIG) $(@:_config=) arm omap3 omap3430sdp
omap3430labrador_config : unconfig
@$(MKCONFIG) $(@:_config=) arm omap3 omap3430labrador
omap3evm_config : unconfig
@$(MKCONFIG) $(@:_config=) arm omap3 omap3evm
overo_config : unconfig
@$(MKCONFIG) $(@:_config=) arm omap3 overo
omap3530beagle_config : unconfig
@$(MKCONFIG) $(@:_config=) arm omap3 omap3530beagle
omap3530gta04_config : unconfig
@$(MKCONFIG) $(@:_config=) arm omap3 omap3530gta04
#########################################################################
## OMAP4 (ARM-CortexA9) Systems
#########################################################################
omap4430panda_config : unconfig
@./mkconfig $(@:_config=) arm omap4 omap4430panda
#########################################################################
clean:
find $(OBJTREE) -type f \
\( -name 'core' -o -name '*.bak' -o -name '*~' \
-o -name '*.o' -o -name '*.a' \) -print \
| xargs rm -f
clobber: clean
find $(OBJTREE) -type f \
\( -name .depend -o -name '*.srec' -o -name '*.bin' \) \
-print \
| xargs rm -f
rm -f $(OBJS) $(obj)*.bak $(obj)tags $(obj)TAGS
rm -fr $(obj)*.*~
rm -f $(obj)x-load $(obj)x-load.map $(ALL) $(obj)x-load.bin.ift $(obj)signGP $(obj)MLO
rm -f $(obj)include/asm/proc $(obj)include/asm/arch
ifeq ($(OBJTREE),$(SRCTREE))
mrproper \
distclean: clobber unconfig
else
mrproper \
distclean: clobber unconfig
rm -rf $(obj)*
endif
backup:
F=`basename $(TOPDIR)` ; cd .. ; \
gtar --force-local -zcvf `date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
#########################################################################
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