533 lines
18 KiB
Makefile
533 lines
18 KiB
Makefile
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#
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# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# Report an error if the eval make function is not available.
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$(eval eval_available := T)
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ifneq (${eval_available},T)
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$(error This makefile only works with a Make program that supports $$(eval))
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endif
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# Some utility macros for manipulating awkward (whitespace) characters.
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blank :=
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space :=${blank} ${blank}
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# A user defined function to recursively search for a filename below a directory
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# $1 is the directory root of the recursive search (blank for current directory).
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# $2 is the file name to search for.
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define rwildcard
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$(strip $(foreach d,$(wildcard ${1}*),$(call rwildcard,${d}/,${2}) $(filter $(subst *,%,%${2}),${d})))
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endef
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# This table is used in converting lower case to upper case.
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uppercase_table:=a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z
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# Internal macro used for converting lower case to upper case.
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# $(1) = upper case table
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# $(2) = String to convert
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define uppercase_internal
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$(if $(1),$$(subst $(firstword $(1)),$(call uppercase_internal,$(wordlist 2,$(words $(1)),$(1)),$(2))),$(2))
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endef
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# A macro for converting a string to upper case
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# $(1) = String to convert
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define uppercase
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$(eval uppercase_result:=$(call uppercase_internal,$(uppercase_table),$(1)))$(uppercase_result)
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endef
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# Convenience function for adding build definitions
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# $(eval $(call add_define,FOO)) will have:
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# -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise
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define add_define
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DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),)
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endef
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# Convenience function for adding build definitions
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# $(eval $(call add_define_val,FOO,BAR)) will have:
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# -DFOO=BAR
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define add_define_val
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DEFINES += -D$(1)=$(2)
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endef
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# Convenience function for verifying option has a boolean value
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# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
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define assert_boolean
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$(if $(filter-out 0 1,$($1)),$(error $1 must be boolean))
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endef
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0-9 := 0 1 2 3 4 5 6 7 8 9
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# Function to verify that a given option $(1) contains a numeric value
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define assert_numeric
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$(if $($(1)),,$(error $(1) must not be empty))
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$(eval __numeric := $($(1)))
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$(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric))))
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$(if $(__numeric),$(error $(1) must be numeric))
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endef
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# IMG_LINKERFILE defines the linker script corresponding to a BL stage
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# $(1) = BL stage (2, 30, 31, 32, 33)
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define IMG_LINKERFILE
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${BUILD_DIR}/bl$(1).ld
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endef
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# IMG_MAPFILE defines the output file describing the memory map corresponding
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# to a BL stage
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# $(1) = BL stage (2, 30, 31, 32, 33)
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define IMG_MAPFILE
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${BUILD_DIR}/bl$(1).map
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endef
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# IMG_ELF defines the elf file corresponding to a BL stage
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# $(1) = BL stage (2, 30, 31, 32, 33)
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define IMG_ELF
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${BUILD_DIR}/bl$(1).elf
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endef
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# IMG_DUMP defines the symbols dump file corresponding to a BL stage
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# $(1) = BL stage (2, 30, 31, 32, 33)
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define IMG_DUMP
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${BUILD_DIR}/bl$(1).dump
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endef
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# IMG_BIN defines the default image file corresponding to a BL stage
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# $(1) = BL stage (2, 30, 31, 32, 33)
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define IMG_BIN
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${BUILD_PLAT}/bl$(1).bin
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endef
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# TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to
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# package a new payload and/or by cert_create to generate certificate.
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# Optionally, it adds the dependency on this payload
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# $(1) = payload filename (i.e. bl31.bin)
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# $(2) = command line option for the specified payload (i.e. --soc-fw)
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# $(3) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
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# $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
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define TOOL_ADD_PAYLOAD
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$(4)FIP_ARGS += $(2) $(1)
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$(if $(3),$(4)FIP_DEPS += $(3))
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$(4)CRT_ARGS += $(2) $(1)
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$(if $(3),$(4)CRT_DEPS += $(3))
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endef
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# TOOL_ADD_IMG_PAYLOAD works like TOOL_ADD_PAYLOAD, but applies image filters
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# before passing them to host tools if BL*_PRE_TOOL_FILTER is defined.
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# $(1) = image_type (scp_bl2, bl33, etc.)
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# $(2) = payload filepath (ex. build/fvp/release/bl31.bin)
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# $(3) = command line option for the specified payload (ex. --soc-fw)
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# $(4) = tool target dependency (optional) (ex. build/fvp/release/bl31.bin)
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# $(5) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
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define TOOL_ADD_IMG_PAYLOAD
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$(eval PRE_TOOL_FILTER := $($(call uppercase,$(1))_PRE_TOOL_FILTER))
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ifneq ($(PRE_TOOL_FILTER),)
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$(eval PROCESSED_PATH := $(BUILD_PLAT)/$(1).bin$($(PRE_TOOL_FILTER)_SUFFIX))
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$(call $(PRE_TOOL_FILTER)_RULE,$(PROCESSED_PATH),$(2))
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$(PROCESSED_PATH): $(4)
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$(call TOOL_ADD_PAYLOAD,$(PROCESSED_PATH),$(3),$(PROCESSED_PATH),$(5))
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else
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$(call TOOL_ADD_PAYLOAD,$(2),$(3),$(4),$(5))
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endif
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endef
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# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation
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# $(1) = parameter filename
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# $(2) = cert_create command line option for the specified parameter
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# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
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define CERT_ADD_CMD_OPT
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$(3)CRT_ARGS += $(2) $(1)
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endef
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# TOOL_ADD_IMG allows the platform to specify an external image to be packed
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# in the FIP and/or for which certificate is generated. It also adds a
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# dependency on the image file, aborting the build if the file does not exist.
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# $(1) = image_type (scp_bl2, bl33, etc.)
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# $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc)
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# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
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# Example:
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# $(eval $(call TOOL_ADD_IMG,bl33,--nt-fw))
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define TOOL_ADD_IMG
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# Build option to specify the image filename (SCP_BL2, BL33, etc)
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# This is the uppercase form of the first parameter
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$(eval _V := $(call uppercase,$(1)))
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$(3)CRT_DEPS += check_$(1)
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$(3)FIP_DEPS += check_$(1)
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$(call TOOL_ADD_IMG_PAYLOAD,$(1),$(value $(_V)),$(2),,$(3))
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.PHONY: check_$(1)
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check_$(1):
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$$(if $(value $(_V)),,$$(error "Platform '${PLAT}' requires $(_V). Please set $(_V) to point to the right file"))
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$$(if $(wildcard $(value $(_V))),,$$(error '$(_V)=$(value $(_V))' was specified, but '$(value $(_V))' does not exist))
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endef
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################################################################################
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# Generic image processing filters
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################################################################################
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# GZIP
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define GZIP_RULE
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$(1): $(2)
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$(ECHO) " GZIP $$@"
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$(Q)gzip -n -f -9 $$< --stdout > $$@
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endef
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GZIP_SUFFIX := .gz
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################################################################################
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# Auxiliary macros to build TF images from sources
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################################################################################
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MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP
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# MAKE_C_LIB builds a C source file and generates the dependency file
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# $(1) = output directory
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# $(2) = source file (%.c)
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# $(3) = library name
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define MAKE_C_LIB
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$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
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$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
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$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
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$$(ECHO) " CC $$<"
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$$(Q)$$(CC) $$(TF_CFLAGS) $$(CFLAGS) $(MAKE_DEP) -c $$< -o $$@
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-include $(DEP)
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endef
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# MAKE_S_LIB builds an assembly source file and generates the dependency file
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# $(1) = output directory
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# $(2) = source file (%.S)
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# $(3) = library name
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define MAKE_S_LIB
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$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
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$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
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$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | lib$(3)_dirs
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$$(ECHO) " AS $$<"
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$$(Q)$$(AS) $$(ASFLAGS) $(MAKE_DEP) -c $$< -o $$@
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-include $(DEP)
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endef
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# MAKE_C builds a C source file and generates the dependency file
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# $(1) = output directory
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# $(2) = source file (%.c)
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# $(3) = BL stage (2, 2u, 30, 31, 32, 33)
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define MAKE_C
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$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2))))
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$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
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$(eval IMAGE := IMAGE_BL$(call uppercase,$(3)))
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$(eval BL_CFLAGS := $(BL$(call uppercase,$(3))_CFLAGS))
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$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | bl$(3)_dirs
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$$(ECHO) " CC $$<"
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$$(Q)$$(CC) $$(TF_CFLAGS) $$(CFLAGS) $(BL_CFLAGS) -D$(IMAGE) $(MAKE_DEP) -c $$< -o $$@
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-include $(DEP)
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endef
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# MAKE_S builds an assembly source file and generates the dependency file
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# $(1) = output directory
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# $(2) = assembly file (%.S)
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# $(3) = BL stage (2, 2u, 30, 31, 32, 33)
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define MAKE_S
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$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2))))
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$(eval DEP := $(patsubst %.o,%.d,$(OBJ)))
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$(eval IMAGE := IMAGE_BL$(call uppercase,$(3)))
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$(OBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | bl$(3)_dirs
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$$(ECHO) " AS $$<"
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$$(Q)$$(AS) $$(ASFLAGS) -D$(IMAGE) $(MAKE_DEP) -c $$< -o $$@
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-include $(DEP)
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endef
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# MAKE_LD generate the linker script using the C preprocessor
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# $(1) = output linker script
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# $(2) = input template
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# $(3) = BL stage (2, 2u, 30, 31, 32, 33)
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define MAKE_LD
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$(eval DEP := $(1).d)
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$(eval IMAGE := IMAGE_BL$(call uppercase,$(3)))
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$(1): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | bl$(3)_dirs
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$$(ECHO) " PP $$<"
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$$(Q)$$(CPP) $$(CPPFLAGS) $(TF_CFLAGS_$(ARCH)) -P -x assembler-with-cpp -D__LINKER__ $(MAKE_DEP) -D$(IMAGE) -o $$@ $$<
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-include $(DEP)
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endef
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# MAKE_LIB_OBJS builds both C and assembly source files
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# $(1) = output directory
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# $(2) = list of source files
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# $(3) = name of the library
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define MAKE_LIB_OBJS
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$(eval C_OBJS := $(filter %.c,$(2)))
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$(eval REMAIN := $(filter-out %.c,$(2)))
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$(eval $(foreach obj,$(C_OBJS),$(call MAKE_C_LIB,$(1),$(obj),$(3))))
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$(eval S_OBJS := $(filter %.S,$(REMAIN)))
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$(eval REMAIN := $(filter-out %.S,$(REMAIN)))
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$(eval $(foreach obj,$(S_OBJS),$(call MAKE_S_LIB,$(1),$(obj),$(3))))
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$(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
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endef
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# MAKE_OBJS builds both C and assembly source files
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# $(1) = output directory
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# $(2) = list of source files (both C and assembly)
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# $(3) = BL stage (2, 30, 31, 32, 33)
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define MAKE_OBJS
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$(eval C_OBJS := $(filter %.c,$(2)))
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$(eval REMAIN := $(filter-out %.c,$(2)))
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$(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3))))
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$(eval S_OBJS := $(filter %.S,$(REMAIN)))
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$(eval REMAIN := $(filter-out %.S,$(REMAIN)))
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$(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3))))
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$(and $(REMAIN),$(error Unexpected source files present: $(REMAIN)))
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endef
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# NOTE: The line continuation '\' is required in the next define otherwise we
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# end up with a line-feed characer at the end of the last c filename.
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# Also bear this issue in mind if extending the list of supported filetypes.
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define SOURCES_TO_OBJS
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$(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \
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$(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
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endef
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# Allow overriding the timestamp, for example for reproducible builds, or to
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# synchronize timestamps across multiple projects.
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# This must be set to a C string (including quotes where applicable).
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BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
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.PHONY: libraries
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# MAKE_LIB_DIRS macro defines the target for the directory where
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# libraries are created
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define MAKE_LIB_DIRS
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$(eval LIB_DIR := ${BUILD_PLAT}/lib)
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$(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
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$(eval LIBWRAPPER_DIR := ${BUILD_PLAT}/libwrapper)
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$(eval $(call MAKE_PREREQ_DIR,${LIB_DIR},${BUILD_PLAT}))
|
||
|
|
$(eval $(call MAKE_PREREQ_DIR,${ROMLIB_DIR},${BUILD_PLAT}))
|
||
|
|
$(eval $(call MAKE_PREREQ_DIR,${LIBWRAPPER_DIR},${BUILD_PLAT}))
|
||
|
|
endef
|
||
|
|
|
||
|
|
# MAKE_LIB macro defines the targets and options to build each BL image.
|
||
|
|
# Arguments:
|
||
|
|
# $(1) = Library name
|
||
|
|
define MAKE_LIB
|
||
|
|
$(eval BUILD_DIR := ${BUILD_PLAT}/lib$(1))
|
||
|
|
$(eval LIB_DIR := ${BUILD_PLAT}/lib)
|
||
|
|
$(eval ROMLIB_DIR := ${BUILD_PLAT}/romlib)
|
||
|
|
$(eval SOURCES := $(LIB$(call uppercase,$(1))_SRCS))
|
||
|
|
$(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
|
||
|
|
|
||
|
|
$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
|
||
|
|
$(eval $(call MAKE_LIB_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
|
||
|
|
|
||
|
|
.PHONY : lib${1}_dirs
|
||
|
|
lib${1}_dirs: | ${BUILD_DIR} ${LIB_DIR} ${ROMLIB_DIR} ${LIBWRAPPER_DIR}
|
||
|
|
libraries: ${LIB_DIR}/lib$(1).a
|
||
|
|
ifneq ($(findstring armlink,$(notdir $(LD))),)
|
||
|
|
LDPATHS = --userlibpath=${LIB_DIR}
|
||
|
|
LDLIBS += --library=$(1)
|
||
|
|
else
|
||
|
|
LDPATHS = -L${LIB_DIR}
|
||
|
|
LDLIBS += -l$(1)
|
||
|
|
endif
|
||
|
|
|
||
|
|
ifeq ($(USE_ROMLIB),1)
|
||
|
|
LIBWRAPPER = -lwrappers
|
||
|
|
endif
|
||
|
|
|
||
|
|
all: ${LIB_DIR}/lib$(1).a
|
||
|
|
|
||
|
|
${LIB_DIR}/lib$(1).a: $(OBJS)
|
||
|
|
$$(ECHO) " AR $$@"
|
||
|
|
$$(Q)$$(AR) cr $$@ $$?
|
||
|
|
endef
|
||
|
|
|
||
|
|
# MAKE_BL macro defines the targets and options to build each BL image.
|
||
|
|
# Arguments:
|
||
|
|
# $(1) = BL stage (2, 2u, 30, 31, 32, 33)
|
||
|
|
# $(2) = FIP command line option (if empty, image will not be included in the FIP)
|
||
|
|
# $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip)
|
||
|
|
define MAKE_BL
|
||
|
|
$(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1))
|
||
|
|
$(eval BL_SOURCES := $(BL$(call uppercase,$(1))_SOURCES))
|
||
|
|
$(eval SOURCES := $(BL_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES))
|
||
|
|
$(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES))))
|
||
|
|
$(eval LINKERFILE := $(call IMG_LINKERFILE,$(1)))
|
||
|
|
$(eval MAPFILE := $(call IMG_MAPFILE,$(1)))
|
||
|
|
$(eval ELF := $(call IMG_ELF,$(1)))
|
||
|
|
$(eval DUMP := $(call IMG_DUMP,$(1)))
|
||
|
|
$(eval BIN := $(call IMG_BIN,$(1)))
|
||
|
|
$(eval BL_LINKERFILE := $(BL$(call uppercase,$(1))_LINKERFILE))
|
||
|
|
$(eval BL_LIBS := $(BL$(call uppercase,$(1))_LIBS))
|
||
|
|
# We use sort only to get a list of unique object directory names.
|
||
|
|
# ordering is not relevant but sort removes duplicates.
|
||
|
|
$(eval TEMP_OBJ_DIRS := $(sort $(dir ${OBJS} ${LINKERFILE})))
|
||
|
|
# The $(dir ) function leaves a trailing / on the directory names
|
||
|
|
# Rip off the / to match directory names with make rule targets.
|
||
|
|
$(eval OBJ_DIRS := $(patsubst %/,%,$(TEMP_OBJ_DIRS)))
|
||
|
|
|
||
|
|
# Create generators for object directory structure
|
||
|
|
|
||
|
|
$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
|
||
|
|
|
||
|
|
$(eval $(foreach objd,${OBJ_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
|
||
|
|
|
||
|
|
.PHONY : bl${1}_dirs
|
||
|
|
|
||
|
|
# We use order-only prerequisites to ensure that directories are created,
|
||
|
|
# but do not cause re-builds every time a file is written.
|
||
|
|
bl${1}_dirs: | ${OBJ_DIRS}
|
||
|
|
|
||
|
|
$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1)))
|
||
|
|
$(eval $(call MAKE_LD,$(LINKERFILE),$(BL_LINKERFILE),$(1)))
|
||
|
|
|
||
|
|
ifeq ($(USE_ROMLIB),1)
|
||
|
|
$(ELF): romlib.bin
|
||
|
|
endif
|
||
|
|
|
||
|
|
$(ELF): $(OBJS) $(LINKERFILE) | bl$(1)_dirs libraries $(BL_LIBS)
|
||
|
|
$$(ECHO) " LD $$@"
|
||
|
|
ifdef MAKE_BUILD_STRINGS
|
||
|
|
$(call MAKE_BUILD_STRINGS, $(BUILD_DIR)/build_message.o)
|
||
|
|
else
|
||
|
|
@echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \
|
||
|
|
const char version_string[] = "${VERSION_STRING}";' | \
|
||
|
|
$$(CC) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o
|
||
|
|
endif
|
||
|
|
ifneq ($(findstring armlink,$(notdir $(LD))),)
|
||
|
|
$$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) --entry=bl${1}_entrypoint \
|
||
|
|
--predefine="-D__LINKER__=$(__LINKER__)" \
|
||
|
|
--predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \
|
||
|
|
--map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/bl${1}.scat \
|
||
|
|
$(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \
|
||
|
|
$(BUILD_DIR)/build_message.o $(OBJS)
|
||
|
|
else
|
||
|
|
$$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Map=$(MAPFILE) \
|
||
|
|
--script $(LINKERFILE) $(BUILD_DIR)/build_message.o \
|
||
|
|
$(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
|
||
|
|
endif
|
||
|
|
ifeq ($(DISABLE_BIN_GENERATION),1)
|
||
|
|
@${ECHO_BLANK_LINE}
|
||
|
|
@echo "Built $$@ successfully"
|
||
|
|
@${ECHO_BLANK_LINE}
|
||
|
|
endif
|
||
|
|
|
||
|
|
$(DUMP): $(ELF)
|
||
|
|
$${ECHO} " OD $$@"
|
||
|
|
$${Q}$${OD} -dx $$< > $$@
|
||
|
|
|
||
|
|
$(BIN): $(ELF)
|
||
|
|
$${ECHO} " BIN $$@"
|
||
|
|
$$(Q)$$(OC) -O binary $$< $$@
|
||
|
|
@${ECHO_BLANK_LINE}
|
||
|
|
@echo "Built $$@ successfully"
|
||
|
|
@${ECHO_BLANK_LINE}
|
||
|
|
|
||
|
|
.PHONY: bl$(1)
|
||
|
|
ifeq ($(DISABLE_BIN_GENERATION),1)
|
||
|
|
bl$(1): $(ELF) $(DUMP)
|
||
|
|
else
|
||
|
|
bl$(1): $(BIN) $(DUMP)
|
||
|
|
endif
|
||
|
|
|
||
|
|
all: bl$(1)
|
||
|
|
|
||
|
|
$(if $(2),$(call TOOL_ADD_IMG_PAYLOAD,bl$(1),$(BIN),--$(2),$(BIN),$(3)))
|
||
|
|
|
||
|
|
endef
|
||
|
|
|
||
|
|
# Convert device tree source file names to matching blobs
|
||
|
|
# $(1) = input dts
|
||
|
|
define SOURCES_TO_DTBS
|
||
|
|
$(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1))))
|
||
|
|
endef
|
||
|
|
|
||
|
|
# MAKE_FDT_DIRS macro creates the prerequisite directories that host the
|
||
|
|
# FDT binaries
|
||
|
|
# $(1) = output directory
|
||
|
|
# $(2) = input dts
|
||
|
|
define MAKE_FDT_DIRS
|
||
|
|
$(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
|
||
|
|
$(eval TEMP_DTB_DIRS := $(sort $(dir ${DTBS})))
|
||
|
|
# The $(dir ) function leaves a trailing / on the directory names
|
||
|
|
# Rip off the / to match directory names with make rule targets.
|
||
|
|
$(eval DTB_DIRS := $(patsubst %/,%,$(TEMP_DTB_DIRS)))
|
||
|
|
|
||
|
|
$(eval $(foreach objd,${DTB_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
|
||
|
|
|
||
|
|
fdt_dirs: ${DTB_DIRS}
|
||
|
|
endef
|
||
|
|
|
||
|
|
# MAKE_DTB generate the Flattened device tree binary
|
||
|
|
# $(1) = output directory
|
||
|
|
# $(2) = input dts
|
||
|
|
define MAKE_DTB
|
||
|
|
|
||
|
|
# List of DTB file(s) to generate, based on DTS file basename list
|
||
|
|
$(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
|
||
|
|
# List of the pre-compiled DTS file(s)
|
||
|
|
$(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2)))))
|
||
|
|
# Dependencies of the pre-compiled DTS file(s) on its source and included files
|
||
|
|
$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ)))
|
||
|
|
# Dependencies of the DT compilation on its pre-compiled DTS
|
||
|
|
$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ)))
|
||
|
|
|
||
|
|
$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs
|
||
|
|
$${ECHO} " CPP $$<"
|
||
|
|
$(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
|
||
|
|
$$(Q)$$(PP) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$<
|
||
|
|
$${ECHO} " DTC $$<"
|
||
|
|
$$(Q)$$(DTC) $$(DTC_FLAGS) -i fdts -d $(DTBDEP) -o $$@ $(DPRE)
|
||
|
|
|
||
|
|
-include $(DTBDEP)
|
||
|
|
-include $(DTSDEP)
|
||
|
|
|
||
|
|
endef
|
||
|
|
|
||
|
|
# MAKE_DTBS builds flattened device tree sources
|
||
|
|
# $(1) = output directory
|
||
|
|
# $(2) = list of flattened device tree source files
|
||
|
|
define MAKE_DTBS
|
||
|
|
$(eval DOBJS := $(filter %.dts,$(2)))
|
||
|
|
$(eval REMAIN := $(filter-out %.dts,$(2)))
|
||
|
|
$(and $(REMAIN),$(error FDT_SOURCES contain non-DTS files: $(REMAIN)))
|
||
|
|
$(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj))))
|
||
|
|
|
||
|
|
$(eval $(call MAKE_FDT_DIRS,$(1),$(2)))
|
||
|
|
|
||
|
|
dtbs: $(DTBS)
|
||
|
|
all: dtbs
|
||
|
|
endef
|