u-boot: convert to GENTARGETS
The feature of building mkimage for the target is removed, it wasn't building with current U-Boot, and doesn't make a lot of sense (mkimage is needed only to prepare a kernel image, or an U-Boot script). The feature of building mkimage for the host is moved to a proper package. It duplicates a few things (U-Boot URL, etc.) but it makes things a lot cleaner than having it handled by boot/u-boot/u-boot.mk. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Thomas Petazzoni
Peter Korsgaard
parent
a315ee3c66
commit
e82604ccdd
@ -77,11 +77,6 @@ config BR2_TARGET_UBOOT_FORMAT_LDR
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endchoice
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config BR2_TARGET_UBOOT_TOOL_MKIMAGE
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bool "mkimage tool in target"
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help
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Install mkimage tool in target.
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config BR2_TARGET_UBOOT_TOOL_ENV
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bool "fw_printenv tool in target"
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help
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@ -3,43 +3,31 @@
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# U-Boot
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#
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#############################################################
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U_BOOT_VERSION:=$(call qstrip,$(BR2_TARGET_UBOOT_VERSION))
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U_BOOT_BOARD_NAME:=$(call qstrip,$(BR2_TARGET_UBOOT_BOARDNAME))
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U_BOOT_VERSION = $(call qstrip,$(BR2_TARGET_UBOOT_VERSION))
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U_BOOT_BOARD_NAME = $(call qstrip,$(BR2_TARGET_UBOOT_BOARDNAME))
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# U-Boot may not be selected in the configuration, but mkimage might
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# be needed to build/prepare a kernel image. In this case, we just
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# pick some random stable U-Boot version that will be used just to
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# build mkimage.
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ifeq ($(U_BOOT_VERSION),)
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U_BOOT_VERSION=2011.03
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endif
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U_BOOT_INSTALL_IMAGES = YES
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ifeq ($(U_BOOT_VERSION),custom)
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# Handle custom U-Boot tarballs as specified by the configuration
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U_BOOT_TARBALL=$(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION))
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U_BOOT_SITE:=$(dir $(U_BOOT_TARBALL))
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U_BOOT_SOURCE:=$(notdir $(U_BOOT_TARBALL))
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U_BOOT_TARBALL = $(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION))
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U_BOOT_SITE = $(dir $(U_BOOT_TARBALL))
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U_BOOT_SOURCE = $(notdir $(U_BOOT_TARBALL))
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else
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# Handle stable official U-Boot versions
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U_BOOT_SITE:=ftp://ftp.denx.de/pub/u-boot
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U_BOOT_SOURCE:=u-boot-$(U_BOOT_VERSION).tar.bz2
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U_BOOT_SITE = ftp://ftp.denx.de/pub/u-boot
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U_BOOT_SOURCE = u-boot-$(U_BOOT_VERSION).tar.bz2
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endif
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U_BOOT_DIR:=$(BUILD_DIR)/u-boot-$(U_BOOT_VERSION)
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U_BOOT_CAT:=$(BZCAT)
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ifeq ($(BR2_TARGET_UBOOT_FORMAT_KWB),y)
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U_BOOT_BIN:=u-boot.kwb
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U_BOOT_MAKE_OPT:=$(U_BOOT_BIN)
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U_BOOT_BIN = u-boot.kwb
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U_BOOT_MAKE_TARGET = $(U_BOOT_BIN)
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else ifeq ($(BR2_TARGET_UBOOT_FORMAT_LDR),y)
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U_BOOT_BIN:=u-boot.ldr
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U_BOOT_BIN = u-boot.ldr
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else
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U_BOOT_BIN:=u-boot.bin
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U_BOOT_BIN = u-boot.bin
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endif
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MKIMAGE:=$(HOST_DIR)/usr/bin/mkimage
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U_BOOT_TARGETS:=$(BINARIES_DIR)/$(U_BOOT_BIN) $(MKIMAGE)
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U_BOOT_ARCH=$(KERNEL_ARCH)
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# u-boot in the past used arch=ppc for powerpc
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@ -47,139 +35,81 @@ ifneq ($(findstring x2010.03,x$(U_BOOT_VERSION)),)
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U_BOOT_ARCH=$(KERNEL_ARCH:powerpc=ppc)
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endif
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U_BOOT_INC_CONF_FILE:=$(U_BOOT_DIR)/include/config.h
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ifeq ($(BR2_TARGET_UBOOT_TOOL_MKIMAGE),y)
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U_BOOT_TARGETS+=$(TARGET_DIR)/usr/bin/mkimage
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endif
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ifeq ($(BR2_TARGET_UBOOT_TOOL_ENV),y)
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U_BOOT_TARGETS+=$(TARGET_DIR)/usr/sbin/fw_printenv
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endif
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U_BOOT_CONFIGURE_OPTS += CONFIG_NOSOFTFLOAT=1
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U_BOOT_MAKE_OPTS += \
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CROSS_COMPILE="$(CCACHE) $(TARGET_CROSS)" \
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ARCH=$(U_BOOT_ARCH)
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# Define a helper function
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# Helper function to fill the U-Boot config.h file.
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# Argument 1: option name
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# Argument 2: option value
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# If the option value is empty, this function does nothing.
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define insert_define
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@echo "#ifdef $(strip $(1))" >> $(U_BOOT_INC_CONF_FILE)
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@echo "#undef $(strip $(1))" >> $(U_BOOT_INC_CONF_FILE)
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@echo "#endif" >> $(U_BOOT_INC_CONF_FILE)
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@echo '#define $(strip $(1)) $(call qstrip,$(2))' >> $(U_BOOT_INC_CONF_FILE)
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$(if $(call qstrip,$(2)),
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@echo "#ifdef $(strip $(1))" >> $(@D)/include/config.h
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@echo "#undef $(strip $(1))" >> $(@D)/include/config.h
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@echo "#endif" >> $(@D)/include/config.h
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@echo '#define $(strip $(1)) $(call qstrip,$(2))' >> $(@D)/include/config.h)
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endef
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$(DL_DIR)/$(U_BOOT_SOURCE):
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$(call DOWNLOAD,$(U_BOOT_SITE),$(U_BOOT_SOURCE))
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$(U_BOOT_DIR)/.unpacked: $(DL_DIR)/$(U_BOOT_SOURCE)
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mkdir -p $(@D)
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$(INFLATE$(suffix $(U_BOOT_SOURCE))) $(DL_DIR)/$(U_BOOT_SOURCE) \
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| tar $(TAR_STRIP_COMPONENTS)=1 -C $(@D) $(TAR_OPTIONS) -
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touch $@
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$(U_BOOT_DIR)/.patched: $(U_BOOT_DIR)/.unpacked
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toolchain/patch-kernel.sh $(U_BOOT_DIR) boot/u-boot \
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u-boot-$(U_BOOT_VERSION)-\*.patch \
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u-boot-$(U_BOOT_VERSION)-\*.patch.$(ARCH)
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ifneq ($(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR)),)
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toolchain/patch-kernel.sh $(U_BOOT_DIR) $(BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR) u-boot-$(U_BOOT_VERSION)-\*.patch
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endif
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touch $@
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define U_BOOT_APPLY_CUSTOM_PATCHES
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toolchain/patch-kernel.sh $(@D) $(BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR) \
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u-boot-$(U_BOOT_VERSION)-\*.patch
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endef
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$(U_BOOT_DIR)/.configured: $(U_BOOT_DIR)/.patched
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ifeq ($(U_BOOT_BOARD_NAME),)
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$(error NO U-Boot board name set. Check your BR2_TARGET_UBOOT_BOARDNAME setting)
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U_BOOT_POST_PATCH_HOOKS += U_BOOT_APPLY_CUSTOM_PATCHES
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endif
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$(TARGET_CONFIGURE_OPTS) \
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$(U_BOOT_CONFIGURE_OPTS) \
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$(MAKE) -C $(U_BOOT_DIR) \
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CROSS_COMPILE="$(TARGET_CROSS)" ARCH=$(U_BOOT_ARCH) \
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define U_BOOT_CONFIGURE_CMDS
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$(TARGET_CONFIGURE_OPTS) $(U_BOOT_CONFIGURE_OPTS) \
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$(MAKE) -C $(@D) $(U_BOOT_MAKE_OPTS) \
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$(U_BOOT_BOARD_NAME)_config
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touch $@
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@echo >> $(@D)/include/config.h
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@echo "/* Add a wrapper around the values Buildroot sets. */" >> $(@D)/include/config.h
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@echo "#ifndef __BR2_ADDED_CONFIG_H" >> $(@D)/include/config.h
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@echo "#define __BR2_ADDED_CONFIG_H" >> $(@D)/include/config.h
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$(call insert_define,DATE,$(DATE))
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$(call insert_define,CONFIG_LOAD_SCRIPTS,1)
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$(call insert_define,CONFIG_IPADDR,$(BR2_TARGET_UBOOT_IPADDR))
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$(call insert_define,CONFIG_GATEWAYIP,$(BR2_TARGET_UBOOT_GATEWAY))
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$(call insert_define,CONFIG_NETMASK,$(BR2_TARGET_UBOOT_NETMASK))
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$(call insert_define,CONFIG_SERVERIP,$(BR2_TARGET_UBOOT_SERVERIP))
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$(call insert_define,CONFIG_ETHADDR,$(BR2_TARGET_UBOOT_ETHADDR))
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$(call insert_define,CONFIG_ETH1ADDR,$(BR2_TARGET_UBOOT_ETH1ADDR))
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@echo "#endif /* __BR2_ADDED_CONFIG_H */" >> $(@D)/include/config.h
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endef
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$(U_BOOT_DIR)/.header_modified: $(U_BOOT_DIR)/.configured
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# Modify configuration header in $(U_BOOT_INC_CONF_FILE)
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ifdef BR2_TARGET_UBOOT_NETWORK
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@echo >> $(U_BOOT_INC_CONF_FILE)
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@echo "/* Add a wrapper around the values Buildroot sets. */" >> $(U_BOOT_INC_CONF_FILE)
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@echo "#ifndef __BR2_ADDED_CONFIG_H" >> $(U_BOOT_INC_CONF_FILE)
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@echo "#define __BR2_ADDED_CONFIG_H" >> $(U_BOOT_INC_CONF_FILE)
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$(call insert_define, DATE, $(DATE))
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$(call insert_define, CONFIG_LOAD_SCRIPTS, 1)
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ifneq ($(strip $(BR2_TARGET_UBOOT_IPADDR)),"")
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$(call insert_define, CONFIG_IPADDR, $(BR2_TARGET_UBOOT_IPADDR))
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ifeq ($(BR2_TARGET_UBOOT_TOOL_ENV),y)
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define U_BOOT_BUILD_TARGET_ENV_UTILS
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$(TARGET_CONFIGURE_OPTS) $(MAKE) HOSTCC="$(TARGET_CC)" -C $(@D) env
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endef
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endif
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ifneq ($(strip $(BR2_TARGET_UBOOT_GATEWAY)),"")
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$(call insert_define, CONFIG_GATEWAYIP, $(BR2_TARGET_UBOOT_GATEWAY))
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endif
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ifneq ($(strip $(BR2_TARGET_UBOOT_NETMASK)),"")
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$(call insert_define, CONFIG_NETMASK, $(BR2_TARGET_UBOOT_NETMASK))
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endif
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ifneq ($(strip $(BR2_TARGET_UBOOT_SERVERIP)),"")
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$(call insert_define, CONFIG_SERVERIP, $(BR2_TARGET_UBOOT_SERVERIP))
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endif
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ifneq ($(strip $(BR2_TARGET_UBOOT_ETHADDR)),"")
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$(call insert_define, CONFIG_ETHADDR, $(BR2_TARGET_UBOOT_ETHADDR))
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endif
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ifneq ($(strip $(BR2_TARGET_UBOOT_ETH1ADDR)),"")
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$(call insert_define, CONFIG_ETH1ADDR, $(BR2_TARGET_UBOOT_ETH1ADDR))
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endif
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@echo "#endif /* __BR2_ADDED_CONFIG_H */" >> $(U_BOOT_INC_CONF_FILE)
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endif # BR2_TARGET_UBOOT_NETWORK
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touch $@
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# Build U-Boot itself
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$(U_BOOT_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/.header_modified
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$(TARGET_CONFIGURE_OPTS) \
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$(U_BOOT_CONFIGURE_OPTS) \
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$(MAKE) CROSS_COMPILE="$(CCACHE) $(TARGET_CROSS)" ARCH=$(U_BOOT_ARCH) \
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$(U_BOOT_MAKE_OPT) -C $(U_BOOT_DIR)
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define U_BOOT_BUILD_CMDS
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$(TARGET_CONFIGURE_OPTS) $(U_BOOT_CONFIGURE_OPTS) \
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$(MAKE) -C $(@D) $(U_BOOT_MAKE_OPTS) \
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$(U_BOOT_MAKE_TARGET)
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$(U_BOOT_BUILD_TARGET_ENV_UTILS)
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endef
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# Copy the result to the images/ directory
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$(BINARIES_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/$(U_BOOT_BIN)
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rm -f $(BINARIES_DIR)/$(U_BOOT_BIN)
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cp -dpf $(U_BOOT_DIR)/$(U_BOOT_BIN) $(BINARIES_DIR)/
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define U_BOOT_INSTALL_IMAGES_CMDS
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cp -dpf $(@D)/$(U_BOOT_BIN) $(BINARIES_DIR)/
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endef
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# Build just mkimage for the host. It might have already been built by
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# the U-Boot build procedure, but mkimage may also be needed even if
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# U-Boot isn't selected in the configuration, to generate a kernel
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# uImage.
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$(MKIMAGE): $(U_BOOT_DIR)/.patched
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mkdir -p $(@D)
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$(MAKE) -C $(U_BOOT_DIR) CROSS_COMPILE="$(TARGET_CROSS)" ARCH=$(U_BOOT_ARCH) tools
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cp -dpf $(U_BOOT_DIR)/tools/mkimage $(@D)
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# Build manually mkimage for the target
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$(TARGET_DIR)/usr/bin/mkimage: $(U_BOOT_DIR)/.configured
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mkdir -p $(@D)
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$(TARGET_CC) -I$(U_BOOT_DIR)/include -I$(U_BOOT_DIR)/tools \
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-DUSE_HOSTCC -o $@ \
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$(U_BOOT_DIR)/common/image.c \
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$(wildcard $(addprefix $(U_BOOT_DIR)/tools/,default_image.c \
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fit_image.c imximage.c kwbimage.c mkimage.c)) \
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$(addprefix $(U_BOOT_DIR)/lib*/,crc32.c md5.c sha1.c) \
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$(U_BOOT_DIR)/tools/os_support.c \
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$(wildcard $(U_BOOT_DIR)/libfdt/fdt*.c $(U_BOOT_DIR)/lib/libfdt/fdt*.c)
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# Build manually fw_printenv for the target
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$(TARGET_DIR)/usr/sbin/fw_printenv: $(U_BOOT_DIR)/.configured
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$(TARGET_CONFIGURE_OPTS) \
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$(MAKE) HOSTCC="$(TARGET_CC)" -C $(U_BOOT_DIR) env
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$(INSTALL) -m 0755 -D $(U_BOOT_DIR)/tools/env/fw_printenv $@
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ifeq ($(BR2_TARGET_UBOOT_TOOL_ENV),y)
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define U_BOOT_INSTALL_TARGET_ENV_UTILS
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$(INSTALL) -m 0755 -D $(@D)/tools/env/fw_printenv \
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$(TARGET_DIR)/usr/sbin/fw_printenv
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ln -sf fw_printenv $(TARGET_DIR)/usr/sbin/fw_setenv
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endef
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endif
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u-boot: $(U_BOOT_TARGETS)
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define U_BOOT_INSTALL_TARGET_CMDS
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$(U_BOOT_INSTALL_TARGET_ENV_UTILS)
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endef
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u-boot-clean:
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-$(MAKE) -C $(U_BOOT_DIR) clean
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rm -f $(MKIMAGE)
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u-boot-dirclean:
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rm -rf $(U_BOOT_DIR)
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u-boot-source: $(DL_DIR)/$(U_BOOT_SOURCE)
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u-boot-unpacked: $(U_BOOT_DIR)/.patched
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u-boot-configured: $(U_BOOT_DIR)/.header_modified
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$(eval $(call GENTARGETS,boot,u-boot))
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#############################################################
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#
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