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178 lines
7.7 KiB
178 lines
7.7 KiB
# SPDX-License-Identifier: GPL-2.0
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#
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# kbuild file for firmware/
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#
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CONFIG_EXTRA_FIRMWARE_DIR="firmware"
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# Create $(fwabs) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a
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# leading /, it's relative to $(srctree).
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fwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR))
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fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
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fw-external-y := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE))
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# There are three cases to care about:
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# 1. Building kernel with CONFIG_FIRMWARE_IN_KERNEL=y -- $(fw-shipped-y) should
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# include the firmware files to include, according to .config
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# 2. 'make modules_install', which will install firmware for modules, and
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# _also_ for the in-kernel drivers when CONFIG_FIRMWARE_IN_KERNEL=n
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# 3. 'make firmware_install', which installs all firmware, unconditionally.
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# For the former two cases we want $(fw-shipped-y) and $(fw-shipped-m) to be
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# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all).
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# But be aware that the config file might not be included at all.
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fw-external-$(CONFIG_TOUCHSCREEN_IST40XX) += tsp_imagis/ist40xx_r1.bin tsp_imagis/ist40xx_r1_cmcs.bin \
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tsp_imagis/ist40xx_a70.bin tsp_imagis/ist40xx_a70_cmcs.bin tsp_imagis/ist40xx_a70s.bin tsp_imagis/ist40xx_a70s_cmcs.bin
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fw-external-$(CONFIG_TOUCHSCREEN_MELFAS_MSS100) += tsp_melfas/mss100_a70s.bin
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fw-external-$(CONFIG_TOUCHSCREEN_SEC_TS_Y771) += tsp_sec/y771_a71.bin tsp_sec/y771_a71_1l.bin tsp_sec/y771_m51.bin tsp_sec/y771_m51_sdc.bin
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fw-external-$(CONFIG_TOUCHSCREEN_ZINITIX_ZT7650) += tsp_zinitix/zt7650_a52.bin tsp_zinitix/zt7650_a72.bin tsp_zinitix/zt7650_a72_3rd.bin
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fw-external-$(CONFIG_TOUCHSCREEN_STM_FTS5CU56A) += tsp_stm/fts5cu56a_a52.bin tsp_stm/fts5cu56a_a72.bin tsp_stm/fts5cu56a_m42.bin
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fw-external-$(CONFIG_TOUCHSCREEN_HIMAX_IC_HX83102) += tsp_himax/hx83102e_gts6litereresh.bin
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ifdef CONFIG_SEC_A70Q_PROJECT
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ifdef CONFIG_SEC_A70Q_USA_PROJECT
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t346_a70q_usa.bin
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fw-external-$(CONFIG_SENSORS_A96T3X6_SUB) += abov/a96t346_a70q_sub_usa.bin
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else
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t346_a70q_eur.bin
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endif
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else ifdef CONFIG_SEC_A70SQ_PROJECT
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t356_a70sq.bin
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fw-external-$(CONFIG_SENSORS_A96T3X6_SUB) += abov/a96t356_a70sq_sub.bin
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else ifdef CONFIG_SEC_A71_PROJECT
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ifdef CONFIG_SEC_A71_CAN_PROJECT
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t356_a71_can.bin
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fw-external-$(CONFIG_SENSORS_A96T3X6_SUB) += abov/a96t356_a71_sub_can.bin
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else
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t356_a71.bin
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fw-external-$(CONFIG_SENSORS_A96T3X6_SUB) += abov/a96t356_a71_sub.bin
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endif
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else ifdef CONFIG_SEC_M41_PROJECT
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t356_m41.bin
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fw-external-$(CONFIG_SENSORS_A96T3X6_SUB) += abov/a96t356_m41_sub.bin
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else ifdef CONFIG_SEC_M51_PROJECT
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t356_m51.bin
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fw-external-$(CONFIG_SENSORS_A96T3X6_SUB) += abov/a96t356_m51_sub.bin
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else ifdef CONFIG_SEC_A70S_PROJECT
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fw-external-$(CONFIG_SENSORS_A96T3X6) += abov/a96t346_a70q_eur.bin
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endif
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fw-external-$(CONFIG_TOUCHSCREEN_NOVATEK_NT36672) += tsp_novatek/nt36672_a60.bin tsp_novatek/nt36672_m40.bin \
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tsp_novatek/nt36672_a60_tianma.bin
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fw-external-$(CONFIG_EPEN_WACOM_WEZ01) += epen/w9021_gts6lite.bin
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fw-external-$(CONFIG_EPEN_WACOM_W9019) += epen/w9019_gts6lite.bin
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#touch based grip sensor
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fw-shipped-$(CONFIG_SENSORS_TC3XXK_A60) += coreriver/tc305k_a60_grip.fw
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# FIVE
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ifeq ($(CONFIG_FIVE_TEE_DRIVER),y)
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include $(srctree)/firmware/five/Makefile
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endif
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fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-)
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quiet_cmd_ihex = IHEX $@
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cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@
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quiet_cmd_ihex2fw = IHEX2FW $@
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cmd_ihex2fw = $(objtree)/$(obj)/ihex2fw $< $@
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quiet_cmd_h16tofw = H16TOFW $@
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cmd_h16tofw = $(objtree)/$(obj)/ihex2fw -w $< $@
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quiet_cmd_fwbin = MK_FW $@
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cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \
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FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst \
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firmware/%.gen.S,%,$@))))"; \
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ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long); \
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ASM_ALIGN=$(if $(CONFIG_64BIT),3,2); \
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PROGBITS=$(if $(CONFIG_ARM),%,@)progbits; \
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echo "/* Generated by firmware/Makefile */" > $@;\
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echo " .section .rodata" >>$@;\
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echo " .p2align 4" >>$@;\
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echo "_fw_$${FWSTR}_bin:" >>$@;\
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echo " .incbin \"$(2)\"" >>$@;\
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echo "_fw_end:" >>$@;\
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echo " .section .rodata.str,\"aMS\",$${PROGBITS},1" >>$@;\
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echo " .p2align $${ASM_ALIGN}" >>$@;\
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echo "_fw_$${FWSTR}_name:" >>$@;\
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echo " .string \"$$FWNAME\"" >>$@;\
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echo " .section .builtin_fw,\"a\",$${PROGBITS}" >>$@;\
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echo " .p2align $${ASM_ALIGN}" >>$@;\
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echo " $${ASM_WORD} _fw_$${FWSTR}_name" >>$@;\
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echo " $${ASM_WORD} _fw_$${FWSTR}_bin" >>$@;\
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echo " $${ASM_WORD} _fw_end - _fw_$${FWSTR}_bin" >>$@;
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# One of these files will change, or come into existence, whenever
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# the configuration changes between 32-bit and 64-bit. The .S files
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# need to change when that happens.
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wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \
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include/config/ppc32.h include/config/ppc64.h \
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include/config/superh32.h include/config/superh64.h \
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include/config/x86_32.h include/config/x86_64.h \
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firmware/Makefile)
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$(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps)
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$(call cmd,fwbin,$(patsubst %.gen.S,%,$@))
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$(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps)
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$(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@))
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# The .o files depend on the binaries directly; the .S files don't.
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$(patsubst %,$(obj)/%.gen.o, $(fw-shipped-y)): %.gen.o: %
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$(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/%
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# .ihex is used just as a simple way to hold binary files in a source tree
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# where binaries are frowned upon. They are directly converted with objcopy.
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$(obj)/%: $(obj)/%.ihex
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$(call cmd,ihex)
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# Don't depend on ihex2fw if we're installing and it already exists.
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# Putting it after | in the dependencies doesn't seem sufficient when
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# we're installing after a cross-compile, because ihex2fw has dependencies
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# on stuff like /usr/lib/gcc/ppc64-redhat-linux/4.3.0/include/stddef.h and
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# thus wants to be rebuilt. Which it can't be, if the prebuilt kernel tree
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# is exported read-only for someone to run 'make install'.
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ifeq ($(INSTALL):$(wildcard $(obj)/ihex2fw),install:$(obj)/ihex2fw)
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ihex2fw_dep :=
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else
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ihex2fw_dep := $(obj)/ihex2fw
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endif
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# .HEX is also Intel HEX, but where the offset and length in each record
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# is actually meaningful, because the firmware has to be loaded in a certain
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# order rather than as a single binary blob. Thus, we convert them into our
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# more compact binary representation of ihex records (<linux/ihex.h>)
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$(obj)/%.fw: $(obj)/%.HEX $(ihex2fw_dep)
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$(call cmd,ihex2fw)
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# .H16 is our own modified form of Intel HEX, with 16-bit length for records.
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$(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep)
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$(call cmd,h16tofw)
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obj-y += $(patsubst %,%.gen.o, $(fw-external-y))
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obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y))
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ifeq ($(KBUILD_SRC),)
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# Makefile.build only creates subdirectories for O= builds, but external
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# firmware might live outside the kernel source tree
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_dummy := $(foreach d,$(addprefix $(obj)/,$(dir $(fw-external-y))), $(shell [ -d $(d) ] || mkdir -p $(d)))
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endif
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# Remove .S files and binaries created from ihex
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# (during 'make clean' .config isn't included so they're all in $(fw-shipped-))
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targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \
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$(shell find $(obj) -name \*.gen.S 2>/dev/null))
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# Without this, built-in.o won't be created when it's empty, and the
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# final vmlinux link will fail.
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obj- := dummy
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hostprogs-y := ihex2fw
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