| # |
| # Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. |
| # |
| # SPDX-License-Identifier: BSD-3-Clause |
| # |
| |
| # Report an error if the eval make function is not available. |
| $(eval eval_available := T) |
| ifneq (${eval_available},T) |
| $(error This makefile only works with a Make program that supports $$(eval)) |
| endif |
| |
| # Some utility macros for manipulating awkward (whitespace) characters. |
| blank := |
| space :=${blank} ${blank} |
| |
| # A user defined function to recursively search for a filename below a directory |
| # $1 is the directory root of the recursive search (blank for current directory). |
| # $2 is the file name to search for. |
| define rwildcard |
| $(strip $(foreach d,$(wildcard ${1}*),$(call rwildcard,${d}/,${2}) $(filter $(subst *,%,%${2}),${d}))) |
| endef |
| |
| # This table is used in converting lower case to upper case. |
| uppercase_table:=a,A b,B c,C d,D e,E f,F g,G h,H i,I j,J k,K l,L m,M n,N o,O p,P q,Q r,R s,S t,T u,U v,V w,W x,X y,Y z,Z |
| |
| # Internal macro used for converting lower case to upper case. |
| # $(1) = upper case table |
| # $(2) = String to convert |
| define uppercase_internal |
| $(if $(1),$$(subst $(firstword $(1)),$(call uppercase_internal,$(wordlist 2,$(words $(1)),$(1)),$(2))),$(2)) |
| endef |
| |
| # A macro for converting a string to upper case |
| # $(1) = String to convert |
| define uppercase |
| $(eval uppercase_result:=$(call uppercase_internal,$(uppercase_table),$(1)))$(uppercase_result) |
| endef |
| |
| # Convenience function for adding build definitions |
| # $(eval $(call add_define,FOO)) will have: |
| # -DFOO if $(FOO) is empty; -DFOO=$(FOO) otherwise |
| define add_define |
| DEFINES += -D$(1)$(if $(value $(1)),=$(value $(1)),) |
| endef |
| |
| # Convenience function for adding build definitions |
| # $(eval $(call add_define_val,FOO,BAR)) will have: |
| # -DFOO=BAR |
| define add_define_val |
| DEFINES += -D$(1)=$(2) |
| endef |
| |
| # Convenience function for verifying option has a boolean value |
| # $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 |
| define assert_boolean |
| $(if $(filter-out 0 1,$($1)),$(error $1 must be boolean)) |
| endef |
| |
| 0-9 := 0 1 2 3 4 5 6 7 8 9 |
| |
| # Function to verify that a given option $(1) contains a numeric value |
| define assert_numeric |
| $(if $($(1)),,$(error $(1) must not be empty)) |
| $(eval __numeric := $($(1))) |
| $(foreach d,$(0-9),$(eval __numeric := $(subst $(d),,$(__numeric)))) |
| $(if $(__numeric),$(error $(1) must be numeric)) |
| endef |
| |
| # IMG_LINKERFILE defines the linker script corresponding to a BL stage |
| # $(1) = BL stage (2, 30, 31, 32, 33) |
| define IMG_LINKERFILE |
| ${BUILD_DIR}/bl$(1).ld |
| endef |
| |
| # IMG_MAPFILE defines the output file describing the memory map corresponding |
| # to a BL stage |
| # $(1) = BL stage (2, 30, 31, 32, 33) |
| define IMG_MAPFILE |
| ${BUILD_DIR}/bl$(1).map |
| endef |
| |
| # IMG_ELF defines the elf file corresponding to a BL stage |
| # $(1) = BL stage (2, 30, 31, 32, 33) |
| define IMG_ELF |
| ${BUILD_DIR}/bl$(1).elf |
| endef |
| |
| # IMG_DUMP defines the symbols dump file corresponding to a BL stage |
| # $(1) = BL stage (2, 30, 31, 32, 33) |
| define IMG_DUMP |
| ${BUILD_DIR}/bl$(1).dump |
| endef |
| |
| # IMG_BIN defines the default image file corresponding to a BL stage |
| # $(1) = BL stage (2, 30, 31, 32, 33) |
| define IMG_BIN |
| ${BUILD_PLAT}/bl$(1).bin |
| endef |
| |
| # TOOL_ADD_PAYLOAD appends the command line arguments required by fiptool to |
| # package a new payload and/or by cert_create to generate certificate. |
| # Optionally, it adds the dependency on this payload |
| # $(1) = payload filename (i.e. bl31.bin) |
| # $(2) = command line option for the specified payload (i.e. --soc-fw) |
| # $(3) = tool target dependency (optional) (i.e. bl31) |
| # $(4) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) |
| define TOOL_ADD_PAYLOAD |
| $(4)FIP_ARGS += $(2) $(1) |
| $(if $(3),$(4)FIP_DEPS += $(3)) |
| $(4)CRT_ARGS += $(2) $(1) |
| $(if $(3),$(4)CRT_DEPS += $(3)) |
| endef |
| |
| # CERT_ADD_CMD_OPT adds a new command line option to the cert_create invocation |
| # $(1) = parameter filename |
| # $(2) = cert_create command line option for the specified parameter |
| # $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) |
| define CERT_ADD_CMD_OPT |
| $(3)CRT_ARGS += $(2) $(1) |
| endef |
| |
| # TOOL_ADD_IMG allows the platform to specify an external image to be packed |
| # in the FIP and/or for which certificate is generated. It also adds a |
| # dependency on the image file, aborting the build if the file does not exist. |
| # $(1) = build option to specify the image filename (SCP_BL2, BL33, etc) |
| # $(2) = command line option for fiptool (--scp-fw, --nt-fw, etc) |
| # $(3) = FIP prefix (optional) (if FWU_, target is fwu_fip instead of fip) |
| # Example: |
| # $(eval $(call TOOL_ADD_IMG,BL33,--nt-fw)) |
| define TOOL_ADD_IMG |
| $(3)CRT_DEPS += check_$(1) |
| $(3)FIP_DEPS += check_$(1) |
| $(call TOOL_ADD_PAYLOAD,$(value $(1)),$(2),,$(3)) |
| |
| .PHONY: check_$(1) |
| check_$(1): |
| $$(if $(value $(1)),,$$(error "Platform '${PLAT}' requires $(1). Please set $(1) to point to the right file")) |
| $$(if $(wildcard $(value $(1))),,$$(error '$(1)=$(value $(1))' was specified, but '$(value $(1))' does not exist)) |
| endef |
| |
| ################################################################################ |
| # Auxiliary macros to build TF images from sources |
| ################################################################################ |
| |
| MAKE_DEP = -Wp,-MD,$(DEP) -MT $$@ -MP |
| |
| # MAKE_C builds a C source file and generates the dependency file |
| # $(1) = output directory |
| # $(2) = source file (%.c) |
| # $(3) = BL stage (2, 2u, 30, 31, 32, 33) |
| define MAKE_C |
| |
| $(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) |
| $(eval DEP := $(patsubst %.o,%.d,$(OBJ))) |
| $(eval IMAGE := IMAGE_BL$(call uppercase,$(3))) |
| |
| $(OBJ): $(2) | bl$(3)_dirs |
| @echo " CC $$<" |
| $$(Q)$$(CC) $$(TF_CFLAGS) $$(CFLAGS) -D$(IMAGE) $(MAKE_DEP) -c $$< -o $$@ |
| |
| -include $(DEP) |
| |
| endef |
| |
| |
| # MAKE_S builds an assembly source file and generates the dependency file |
| # $(1) = output directory |
| # $(2) = assembly file (%.S) |
| # $(3) = BL stage (2, 2u, 30, 31, 32, 33) |
| define MAKE_S |
| |
| $(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) |
| $(eval DEP := $(patsubst %.o,%.d,$(OBJ))) |
| $(eval IMAGE := IMAGE_BL$(call uppercase,$(3))) |
| |
| $(OBJ): $(2) | bl$(3)_dirs |
| @echo " AS $$<" |
| $$(Q)$$(AS) $$(ASFLAGS) -D$(IMAGE) $(MAKE_DEP) -c $$< -o $$@ |
| |
| -include $(DEP) |
| |
| endef |
| |
| |
| # MAKE_LD generate the linker script using the C preprocessor |
| # $(1) = output linker script |
| # $(2) = input template |
| # $(3) = BL stage (2, 2u, 30, 31, 32, 33) |
| define MAKE_LD |
| |
| $(eval DEP := $(1).d) |
| |
| $(1): $(2) | bl$(3)_dirs |
| @echo " PP $$<" |
| $$(Q)$$(CPP) $$(CPPFLAGS) -P -D__ASSEMBLY__ -D__LINKER__ $(MAKE_DEP) -o $$@ $$< |
| |
| -include $(DEP) |
| |
| endef |
| |
| |
| # MAKE_OBJS builds both C and assembly source files |
| # $(1) = output directory |
| # $(2) = list of source files (both C and assembly) |
| # $(3) = BL stage (2, 30, 31, 32, 33) |
| define MAKE_OBJS |
| $(eval C_OBJS := $(filter %.c,$(2))) |
| $(eval REMAIN := $(filter-out %.c,$(2))) |
| $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) |
| |
| $(eval S_OBJS := $(filter %.S,$(REMAIN))) |
| $(eval REMAIN := $(filter-out %.S,$(REMAIN))) |
| $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) |
| |
| $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) |
| endef |
| |
| |
| # NOTE: The line continuation '\' is required in the next define otherwise we |
| # end up with a line-feed characer at the end of the last c filename. |
| # Also bear this issue in mind if extending the list of supported filetypes. |
| define SOURCES_TO_OBJS |
| $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ |
| $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) |
| endef |
| |
| # Allow overriding the timestamp, for example for reproducible builds, or to |
| # synchronize timestamps across multiple projects. |
| # This must be set to a C string (including quotes where applicable). |
| BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__ |
| |
| # 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)) |
| # 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))) |
| |
| $(ELF): $(OBJS) $(LINKERFILE) | bl$(1)_dirs |
| @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 |
| $$(Q)$$(LD) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) -Map=$(MAPFILE) \ |
| --script $(LINKERFILE) $(BUILD_DIR)/build_message.o $(OBJS) $(LDLIBS) |
| |
| $(DUMP): $(ELF) |
| @echo " OD $$@" |
| $${Q}$${OD} -dx $$< > $$@ |
| |
| $(BIN): $(ELF) |
| @echo " BIN $$@" |
| $$(Q)$$(OC) -O binary $$< $$@ |
| @${ECHO_BLANK_LINE} |
| @echo "Built $$@ successfully" |
| @${ECHO_BLANK_LINE} |
| |
| .PHONY: bl$(1) |
| bl$(1): $(BIN) $(DUMP) |
| |
| all: bl$(1) |
| |
| $(if $(2),$(call TOOL_ADD_PAYLOAD,$(BIN),--$(2),bl$(1),$(3))) |
| |
| endef |
| |
| define SOURCES_TO_DTBS |
| $(notdir $(patsubst %.dts,%.dtb,$(filter %.dts,$(1)))) |
| endef |
| |
| # MAKE_FDT macro defines the targets and options to build each FDT binary |
| # Arguments: (none) |
| define MAKE_FDT |
| $(eval DTB_BUILD_DIR := ${BUILD_PLAT}/fdts) |
| $(eval DTBS := $(addprefix $(DTB_BUILD_DIR)/,$(call SOURCES_TO_DTBS,$(FDT_SOURCES)))) |
| $(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 (device tree binary) |
| # $(1) = output directory |
| # $(2) = input dts |
| define MAKE_DTB |
| |
| $(eval DOBJ := $(1)/$(patsubst %.dts,%.dtb,$(notdir $(2)))) |
| $(eval DEP := $(patsubst %.dtb,%.d,$(DOBJ))) |
| |
| $(DOBJ): $(2) | fdt_dirs |
| @echo " DTC $$<" |
| $$(Q)$$(DTC) $$(DTC_FLAGS) -d $(DEP) -o $$@ $$< |
| |
| -include $(DEP) |
| |
| 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))) |
| $(eval $(foreach obj,$(DOBJS),$(call MAKE_DTB,$(1),$(obj)))) |
| |
| $(and $(REMAIN),$(error Unexpected s present: $(REMAIN))) |
| endef |