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authorH. Nikolaus Schaller <hns@goldelico.com>2012-04-20 14:10:36 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-04-20 14:10:36 +0200
commit819e36b8ceadb1d67db1ffe91b99c5282bfc6159 (patch)
treecaa2bc25e54f0d41abb61920f29d3bf5eee3d864 /Makefile
parenta9a9e3f6aed040a12daf64157615f5e9fed974bb (diff)
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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
+
+#########################################################################