| # |
| # Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are met: |
| # |
| # Redistributions of source code must retain the above copyright notice, this |
| # list of conditions and the following disclaimer. |
| # |
| # Redistributions in binary form must reproduce the above copyright notice, |
| # this list of conditions and the following disclaimer in the documentation |
| # and/or other materials provided with the distribution. |
| # |
| # Neither the name of ARM nor the names of its contributors may be used |
| # to endorse or promote products derived from this software without specific |
| # prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| # POSSIBILITY OF SUCH DAMAGE. |
| # |
| |
| # 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 verifying option has a boolean value |
| # $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1 |
| define assert_boolean |
| $(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) |
| 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 |
| |
| # FIP_ADD_PAYLOAD appends the command line arguments required by the FIP tool |
| # to package a new payload. 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. --bl31) |
| # $(3) = fip target dependency (optional) (i.e. bl31) |
| define FIP_ADD_PAYLOAD |
| $(eval FIP_ARGS += $(2) $(1)) |
| $(eval $(if $(3),FIP_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) = input parameter (false if empty) |
| define CERT_ADD_CMD_OPT |
| $(eval $(if $(3),CRT_DEPS += $(1))) |
| $(eval CRT_ARGS += $(2) $(1)) |
| endef |
| |
| # FIP_ADD_IMG allows the platform to specify an image to be packed in the FIP |
| # using a build option. 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 the fip_create tool (scp_bl2, bl33, etc) |
| # Example: |
| # $(eval $(call FIP_ADD_IMG,BL33,--bl33)) |
| define FIP_ADD_IMG |
| CRT_DEPS += check_$(1) |
| FIP_DEPS += check_$(1) |
| $(call FIP_ADD_PAYLOAD,$(value $(1)),$(2)) |
| |
| check_$(1): |
| $$(if $(value $(1)),,$$(error "Platform '${PLAT}' requires $(1). Please set $(1) to point to the right file")) |
| endef |
| |
| # FWU_FIP_ADD_PAYLOAD appends the command line arguments required by the FIP tool |
| # to package a new FWU payload. Optionally, it adds the dependency on this payload |
| # $(1) = payload filename (e.g. ns_bl2u.bin) |
| # $(2) = command line option for the specified payload (e.g. --fwu) |
| # $(3) = fip target dependency (optional) (e.g. ns_bl2u) |
| define FWU_FIP_ADD_PAYLOAD |
| $(eval $(if $(3),FWU_FIP_DEPS += $(3))) |
| $(eval FWU_FIP_ARGS += $(2) $(1)) |
| endef |
| |
| # FWU_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) = input parameter (false if empty) |
| define FWU_CERT_ADD_CMD_OPT |
| $(eval $(if $(3),FWU_CRT_DEPS += $(1))) |
| $(eval FWU_CRT_ARGS += $(2) $(1)) |
| endef |
| |
| # FWU_FIP_ADD_IMG allows the platform to pack a binary image in the FWU FIP |
| # $(1) build option to specify the image filename (BL2U, NS_BL2U, etc) |
| # $(2) command line option for the fip_create tool (bl2u, ns_bl2u, etc) |
| # Example: |
| # $(eval $(call FWU_FIP_ADD_IMG,BL2U,--bl2u)) |
| define FWU_FIP_ADD_IMG |
| FWU_CRT_DEPS += check_$(1) |
| FWU_FIP_DEPS += check_$(1) |
| $(call FWU_FIP_ADD_PAYLOAD,$(value $(1)),$(2)) |
| |
| check_$(1): |
| $$(if $(value $(1)),,$$(error "Platform '${PLAT}' requires $(1). Please set $(1) to point to the right file")) |
| endef |
| |
| ################################################################################ |
| # Auxiliary macros to build TF images from sources |
| ################################################################################ |
| |
| # If no goal is specified in the command line, .DEFAULT_GOAL is used. |
| # .DEFAULT_GOAL is defined in the main Makefile before including this file. |
| ifeq ($(MAKECMDGOALS),) |
| MAKECMDGOALS := $(.DEFAULT_GOAL) |
| endif |
| |
| define match_goals |
| $(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) |
| endef |
| |
| # List of rules that involve building things |
| BUILD_TARGETS := all bl1 bl2 bl2u bl31 bl32 certificates fip |
| |
| # Does the list of goals specified on the command line include a build target? |
| ifneq ($(call match_goals,${BUILD_TARGETS}),) |
| IS_ANYTHING_TO_BUILD := 1 |
| endif |
| |
| |
| # 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 PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) |
| $(eval IMAGE := IMAGE_BL$(call uppercase,$(3))) |
| |
| $(OBJ): $(2) |
| @echo " CC $$<" |
| $$(Q)$$(CC) $$(CFLAGS) -D$(IMAGE) -c $$< -o $$@ |
| |
| |
| $(PREREQUISITES): $(2) |
| @echo " DEPS $$@" |
| @mkdir -p $(1) |
| $$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< |
| |
| ifdef IS_ANYTHING_TO_BUILD |
| -include $(PREREQUISITES) |
| endif |
| |
| 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 PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) |
| $(eval IMAGE := IMAGE_BL$(call uppercase,$(3))) |
| |
| $(OBJ): $(2) |
| @echo " AS $$<" |
| $$(Q)$$(AS) $$(ASFLAGS) -D$(IMAGE) -c $$< -o $$@ |
| |
| $(PREREQUISITES): $(2) |
| @echo " DEPS $$@" |
| @mkdir -p $(1) |
| $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< |
| |
| ifdef IS_ANYTHING_TO_BUILD |
| -include $(PREREQUISITES) |
| endif |
| |
| endef |
| |
| |
| # MAKE_LD generate the linker script using the C preprocessor |
| # $(1) = output linker script |
| # $(2) = input template |
| define MAKE_LD |
| |
| $(eval PREREQUISITES := $(1).d) |
| |
| $(1): $(2) |
| @echo " PP $$<" |
| $$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$< |
| |
| $(PREREQUISITES): $(2) |
| @echo " DEPS $$@" |
| @mkdir -p $$(dir $$@) |
| $$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< |
| |
| ifdef IS_ANYTHING_TO_BUILD |
| -include $(PREREQUISITES) |
| endif |
| |
| 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 |
| |
| |
| # MAKE_TOOL_ARGS macro defines the command line arguments for the FIP tool for |
| # each BL image. Arguments: |
| # $(1) = BL stage (2, 30, 31, 32, 33) |
| # $(2) = Binary file |
| # $(3) = FIP command line option (if empty, image will not be included in the FIP) |
| define MAKE_TOOL_ARGS |
| $(if $(3),$(eval $(call FIP_ADD_PAYLOAD,$(2),--$(3),bl$(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) |
| 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 $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) |
| $(eval $(call MAKE_LD,$(LINKERFILE),$(BL_LINKERFILE))) |
| |
| $(BUILD_DIR): |
| $$(Q)mkdir -p "$$@" |
| |
| $(ELF): $(OBJS) $(LINKERFILE) |
| @echo " LD $$@" |
| @echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \ |
| const char version_string[] = "${VERSION_STRING}";' | \ |
| $$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o |
| $$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \ |
| $(BUILD_DIR)/build_message.o $(OBJS) |
| |
| $(DUMP): $(ELF) |
| @echo " OD $$@" |
| $${Q}$${OD} -dx $$< > $$@ |
| |
| $(BIN): $(ELF) |
| @echo " BIN $$@" |
| $$(Q)$$(OC) -O binary $$< $$@ |
| @echo |
| @echo "Built $$@ successfully" |
| @echo |
| |
| .PHONY: bl$(1) |
| bl$(1): $(BUILD_DIR) $(BIN) $(DUMP) |
| |
| all: bl$(1) |
| |
| $(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2))) |
| |
| endef |
| |