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TOP: Allow building platform out-of-tree
This patch extends our current build-system for building platform sources which are not part of OpenSBI sources. For example: Let's say we have out-of-tree ABC platform sources. We place these sources under <XYZ>/ABC directory along with its config.mk and objects.mk. To build out-of-tree ABC platform from OpenSBI directory: $ make PLATFORM_DIR=<XYZ>/ABC OR $ make PLATFORM_DIR=<XYZ> PLATFORM=ABC To build out-of-tree ABC platform from <XYZ>/ABC directory: $ make PLATFORM_DIR=<XYZ>/ABC -C <path_to_opensbi> OR $ make PLATFORM_DIR=<XYZ> PLATFORM=ABC -C <path_to_opensbi> Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel
Anup Patel
parent
40086daa62
commit
54f31e8209
4 changed files with 54 additions and 30 deletions
74
Makefile
74
Makefile
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@ -33,6 +33,17 @@ endif
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ifeq ($(install_dir),$(build_dir))
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$(error Install directory is same as build directory.)
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endif
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ifdef PLATFORM_DIR
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platform_dir_path=$(shell readlink -f $(PLATFORM_DIR))
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ifdef PLATFORM
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platform_parent_dir=$(platform_dir_path)
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else
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PLATFORM=$(shell basename $(platform_dir_path))
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platform_parent_dir=$(subst $(PLATFORM),,$(platform_dir_path))
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endif
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else
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platform_parent_dir=$(src_dir)/platform
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endif
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# Check if verbosity is ON for build process
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CMD_PREFIX_DEFAULT := @
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@ -43,9 +54,10 @@ else
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endif
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# Setup path of directories
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export platform_subdir=platform/$(PLATFORM)
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export platform_dir=$(CURDIR)/$(platform_subdir)
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export platform_common_dir=$(CURDIR)/platform/common
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export platform_subdir=$(PLATFORM)
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export platform_src_dir=$(platform_parent_dir)/$(platform_subdir)
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export platform_build_dir=$(build_dir)/platform/$(platform_subdir)
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export platform_common_src_dir=$(src_dir)/platform/common
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export include_dir=$(CURDIR)/include
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export lib_dir=$(CURDIR)/lib
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export firmware_dir=$(CURDIR)/firmware
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@ -85,15 +97,15 @@ endif
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# Setup list of objects.mk files
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ifdef PLATFORM
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platform-object-mks=$(shell if [ -d $(platform_dir) ]; then find $(platform_dir) -iname "objects.mk" | sort -r; fi)
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platform-common-object-mks=$(shell if [ -d $(platform_common_dir) ]; then find $(platform_common_dir) -iname "objects.mk" | sort -r; fi)
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platform-object-mks=$(shell if [ -d $(platform_src_dir)/ ]; then find $(platform_src_dir) -iname "objects.mk" | sort -r; fi)
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platform-common-object-mks=$(shell if [ -d $(platform_common_src_dir) ]; then find $(platform_common_src_dir) -iname "objects.mk" | sort -r; fi)
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endif
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lib-object-mks=$(shell if [ -d $(lib_dir) ]; then find $(lib_dir) -iname "objects.mk" | sort -r; fi)
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firmware-object-mks=$(shell if [ -d $(firmware_dir) ]; then find $(firmware_dir) -iname "objects.mk" | sort -r; fi)
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# Include platform specifig config.mk
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ifdef PLATFORM
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include $(platform_dir)/config.mk
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include $(platform_src_dir)/config.mk
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endif
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# Include all object.mk files
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@ -107,10 +119,10 @@ include $(firmware-object-mks)
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# Setup list of objects
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lib-objs-path-y=$(foreach obj,$(lib-objs-y),$(build_dir)/lib/$(obj))
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ifdef PLATFORM
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platform-objs-path-y=$(foreach obj,$(platform-objs-y),$(build_dir)/$(platform_subdir)/$(obj))
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platform-dtb-path-y=$(foreach obj,$(platform-dtb-y),$(build_dir)/$(platform_subdir)/$(obj))
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platform-objs-path-y=$(foreach obj,$(platform-objs-y),$(platform_build_dir)/$(obj))
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platform-dtb-path-y=$(foreach obj,$(platform-dtb-y),$(platform_build_dir)/$(obj))
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platform-common-objs-path-y=$(foreach obj,$(platform-common-objs-y),$(build_dir)/platform/common/$(obj))
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firmware-bins-path-y=$(foreach bin,$(firmware-bins-y),$(build_dir)/$(platform_subdir)/firmware/$(bin))
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firmware-bins-path-y=$(foreach bin,$(firmware-bins-y),$(platform_build_dir)/firmware/$(bin))
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endif
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firmware-elfs-path-y=$(firmware-bins-path-y:.bin=.elf)
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firmware-objs-path-y=$(firmware-bins-path-y:.bin=.o)
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@ -137,8 +149,8 @@ ifndef PLATFORM_RISCV_CODE_MODEL
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endif
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# Setup compilation commands flags
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GENFLAGS = -I$(platform_dir)/include
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GENFLAGS += -I$(platform_common_dir)/include
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GENFLAGS = -I$(platform_src_dir)/include
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GENFLAGS += -I$(platform_common_src_dir)/include
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GENFLAGS += -I$(include_dir)
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GENFLAGS += $(platform-common-genflags-y)
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GENFLAGS += $(platform-genflags-y)
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@ -242,7 +254,7 @@ compile_dts = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
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targets-y = $(build_dir)/lib/libsbi.a
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ifdef PLATFORM
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targets-y += $(build_dir)/$(platform_subdir)/lib/libplatsbi.a
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targets-y += $(platform_build_dir)/lib/libplatsbi.a
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targets-y += $(platform-dtb-path-y)
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endif
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targets-y += $(firmware-bins-path-y)
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@ -257,16 +269,16 @@ all: $(targets-y)
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$(build_dir)/%.bin: $(build_dir)/%.elf
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$(call compile_objcopy,$@,$<)
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$(build_dir)/%.elf: $(build_dir)/%.o $(build_dir)/%.elf.ld $(build_dir)/$(platform_subdir)/lib/libplatsbi.a
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$(call compile_elf,$@,$@.ld,$< $(build_dir)/$(platform_subdir)/lib/libplatsbi.a)
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$(build_dir)/%.elf: $(build_dir)/%.o $(build_dir)/%.elf.ld $(platform_build_dir)/lib/libplatsbi.a
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$(call compile_elf,$@,$@.ld,$< $(platform_build_dir)/lib/libplatsbi.a)
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$(build_dir)/$(platform_subdir)/%.ld: $(src_dir)/%.ldS
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$(platform_build_dir)/%.ld: $(src_dir)/%.ldS
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$(call compile_cpp,$@,$<)
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$(build_dir)/lib/libsbi.a: $(lib-objs-path-y)
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$(call compile_ar,$@,$^)
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$(build_dir)/$(platform_subdir)/lib/libplatsbi.a: $(lib-objs-path-y) $(platform-common-objs-path-y) $(platform-objs-path-y)
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$(platform_build_dir)/lib/libplatsbi.a: $(lib-objs-path-y) $(platform-common-objs-path-y) $(platform-objs-path-y)
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$(call compile_ar,$@,$^)
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$(build_dir)/%.dep: $(src_dir)/%.c
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@ -281,16 +293,28 @@ $(build_dir)/%.dep: $(src_dir)/%.S
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$(build_dir)/%.o: $(src_dir)/%.S
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$(call compile_as,$@,$<)
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$(build_dir)/$(platform_subdir)/%.dep: $(src_dir)/%.c
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$(platform_build_dir)/%.dep: $(platform_src_dir)/%.c
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$(call compile_cc_dep,$@,$<)
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$(build_dir)/$(platform_subdir)/%.o: $(src_dir)/%.c
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$(platform_build_dir)/%.o: $(platform_src_dir)/%.c
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$(call compile_cc,$@,$<)
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$(build_dir)/$(platform_subdir)/%.dep: $(src_dir)/%.S
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$(platform_build_dir)/%.dep: $(platform_src_dir)/%.S
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$(call compile_as_dep,$@,$<)
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$(build_dir)/$(platform_subdir)/%.o: $(src_dir)/%.S
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$(platform_build_dir)/%.o: $(platform_src_dir)/%.S
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$(call compile_as,$@,$<)
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$(platform_build_dir)/%.dep: $(src_dir)/%.c
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$(call compile_cc_dep,$@,$<)
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$(platform_build_dir)/%.o: $(src_dir)/%.c
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$(call compile_cc,$@,$<)
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$(platform_build_dir)/%.dep: $(src_dir)/%.S
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$(call compile_as_dep,$@,$<)
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$(platform_build_dir)/%.o: $(src_dir)/%.S
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$(call compile_as,$@,$<)
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$(build_dir)/%.dtb: $(src_dir)/%.dts
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@ -349,13 +373,13 @@ install_libsbi: $(build_dir)/lib/libsbi.a
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$(call inst_file,$(install_dir)/lib/libsbi.a,$(build_dir)/lib/libsbi.a)
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.PHONY: install_libplatsbi
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install_libplatsbi: $(build_dir)/$(platform_subdir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a
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$(call inst_file,$(install_dir)/$(platform_subdir)/lib/libplatsbi.a,$(build_dir)/$(platform_subdir)/lib/libplatsbi.a)
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install_libplatsbi: $(platform_build_dir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a
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$(call inst_file,$(install_dir)/platform/$(platform_subdir)/lib/libplatsbi.a,$(platform_build_dir)/lib/libplatsbi.a)
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.PHONY: install_firmwares
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install_firmwares: $(build_dir)/$(platform_subdir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a $(firmware-bins-path-y)
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$(call inst_file_list,$(install_dir),$(build_dir),$(platform_subdir)/firmware,$(firmware-elfs-path-y))
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$(call inst_file_list,$(install_dir),$(build_dir),$(platform_subdir)/firmware,$(firmware-bins-path-y))
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install_firmwares: $(platform_build_dir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a $(firmware-bins-path-y)
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$(call inst_file_list,$(install_dir),$(build_dir),platform/$(platform_subdir)/firmware,$(firmware-elfs-path-y))
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$(call inst_file_list,$(install_dir),$(build_dir),platform/$(platform_subdir)/firmware,$(firmware-bins-path-y))
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.PHONY: install_docs
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install_docs: $(build_dir)/docs/latex/refman.pdf
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@ -7,5 +7,5 @@
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# Anup Patel <anup.patel@wdc.com>
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#
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$(build_dir)/$(platform_subdir)/firmware/fw_payload.o: $(FW_PAYLOAD_PATH_FINAL)
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$(build_dir)/$(platform_subdir)/firmware/fw_payload.o: $(FW_PAYLOAD_FDT_PATH)
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$(platform_build_dir)/firmware/fw_payload.o: $(FW_PAYLOAD_PATH_FINAL)
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$(platform_build_dir)/firmware/fw_payload.o: $(FW_PAYLOAD_FDT_PATH)
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@ -29,7 +29,7 @@ firmware-bins-$(FW_PAYLOAD) += fw_payload.bin
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ifdef FW_PAYLOAD_PATH
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FW_PAYLOAD_PATH_FINAL=$(FW_PAYLOAD_PATH)
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else
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FW_PAYLOAD_PATH_FINAL=$(build_dir)/$(platform_subdir)/firmware/payloads/test.bin
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FW_PAYLOAD_PATH_FINAL=$(platform_build_dir)/firmware/payloads/test.bin
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endif
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firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_PATH=\"$(FW_PAYLOAD_PATH_FINAL)\"
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ifdef FW_PAYLOAD_OFFSET
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@ -41,7 +41,7 @@ endif
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ifndef FW_PAYLOAD_FDT_PATH
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ifdef FW_PAYLOAD_FDT
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FW_PAYLOAD_FDT_PATH=$(build_dir)/$(platform_subdir)/$(FW_PAYLOAD_FDT)
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FW_PAYLOAD_FDT_PATH=$(platform_build_dir)/$(FW_PAYLOAD_FDT)
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endif
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endif
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ifdef FW_PAYLOAD_FDT_PATH
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@ -13,4 +13,4 @@ $(foreach file, $(libfdt_files), \
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$(eval CFLAGS_$(file) = -I$(src)/../../common/libfdt))
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platform-common-objs-$(PLATFORM_INCLUDE_LIBFDT) += $(addprefix libfdt/,$(libfdt_files))
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platform-common-genflags-$(PLATFORM_INCLUDE_LIBFDT) += -I$(platform_common_dir)/libfdt/
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platform-common-genflags-$(PLATFORM_INCLUDE_LIBFDT) += -I$(platform_common_src_dir)/libfdt/
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