danh-arm
9 years ago
5 changed files with 703 additions and 481 deletions
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#
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# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# Neither the name of ARM nor the names of its contributors may be used
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# to endorse or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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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 verifying option has a boolean value
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# $(eval $(call assert_boolean,FOO)) will assert FOO is 0 or 1
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define assert_boolean |
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$(and $(patsubst 0,,$(value $(1))),$(patsubst 1,,$(value $(1))),$(error $(1) must be boolean)) |
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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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# FIP_ADD_PAYLOAD appends the command line arguments required by the FIP tool
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# to package a new payload. 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. --bl31)
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# $(3) = fip target dependency (optional) (i.e. bl31)
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define FIP_ADD_PAYLOAD |
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$(eval FIP_ARGS += $(2) $(1)) |
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$(eval $(if $(3),FIP_DEPS += $(3))) |
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endef |
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# CERT_ADD_CMD_OPT adds a new command line option to the cert_create invokation
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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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# $(3) = input parameter (false if empty)
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define CERT_ADD_CMD_OPT |
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$(eval $(if $(3),CRT_DEPS += $(1))) |
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$(eval CRT_ARGS += $(2) $(1)) |
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endef |
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# FIP_ADD_IMG allows the platform to specify an image to be packed in the FIP
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# using a build option. It also adds a dependency on the image file, aborting
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# the build if the file does not exist.
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# $(1) = build option to specify the image filename (BL30, BL33, etc)
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# $(2) = command line option for the fip_create tool (bl30, bl33, etc)
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# Example:
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# $(eval $(call FIP_ADD_IMG,BL33,--bl33))
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define FIP_ADD_IMG |
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CRT_DEPS += check_$(1) |
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FIP_DEPS += check_$(1) |
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$(call FIP_ADD_PAYLOAD,$(value $(1)),$(2)) |
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check_$(1): |
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$$(if $(value $(1)),,$$(error "Platform '${PLAT}' requires $(1). Please set $(1) to point to the right file")) |
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endef |
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################################################################################
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# Auxiliary macros to build TF images from sources
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################################################################################
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# If no goal is specified in the command line, .DEFAULT_GOAL is used.
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# .DEFAULT_GOAL is defined in the main Makefile before including this file.
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ifeq ($(MAKECMDGOALS),) |
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MAKECMDGOALS := $(.DEFAULT_GOAL) |
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endif |
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define match_goals |
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$(strip $(foreach goal,$(1),$(filter $(goal),$(MAKECMDGOALS)))) |
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endef |
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# List of rules that involve building things
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BUILD_TARGETS := all bl1 bl2 bl31 bl32 certificates fip |
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# Does the list of goals specified on the command line include a build target?
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ifneq ($(call match_goals,${BUILD_TARGETS}),) |
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IS_ANYTHING_TO_BUILD := 1 |
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endif |
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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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# $(3) = BL stage (2, 30, 31, 32, 33)
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define MAKE_C |
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$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) |
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$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) |
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$(OBJ): $(2) |
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@echo " CC $$<" |
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$$(Q)$$(CC) $$(CFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ |
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$(PREREQUISITES): $(2) |
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@echo " DEPS $$@" |
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@mkdir -p $(1) |
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$$(Q)$$(CC) $$(CFLAGS) -M -MT $(OBJ) -MF $$@ $$< |
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ifdef IS_ANYTHING_TO_BUILD |
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-include $(PREREQUISITES) |
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endif |
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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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# $(3) = BL stage (2, 30, 31, 32, 33)
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define MAKE_S |
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$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) |
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$(eval PREREQUISITES := $(patsubst %.o,%.d,$(OBJ))) |
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$(OBJ): $(2) |
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@echo " AS $$<" |
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$$(Q)$$(AS) $$(ASFLAGS) -DIMAGE_BL$(3) -c $$< -o $$@ |
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$(PREREQUISITES): $(2) |
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@echo " DEPS $$@" |
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@mkdir -p $(1) |
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$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(OBJ) -MF $$@ $$< |
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ifdef IS_ANYTHING_TO_BUILD |
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-include $(PREREQUISITES) |
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endif |
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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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# $(2) = input template
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define MAKE_LD |
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$(eval PREREQUISITES := $(1).d) |
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$(1): $(2) |
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@echo " PP $$<" |
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$$(Q)$$(AS) $$(ASFLAGS) -P -E -D__LINKER__ -o $$@ $$< |
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$(PREREQUISITES): $(2) |
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@echo " DEPS $$@" |
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@mkdir -p $$(dir $$@) |
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$$(Q)$$(AS) $$(ASFLAGS) -M -MT $(1) -MF $$@ $$< |
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ifdef IS_ANYTHING_TO_BUILD |
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-include $(PREREQUISITES) |
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endif |
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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: $(REMAIN))) |
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endef |
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# NOTE: The line continuation '\' is required in the next define otherwise we
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# end up with a line-feed characer at the end of the last c filename.
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# Also bare this issue in mind if extending the list of supported filetypes.
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define SOURCES_TO_OBJS |
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$(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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# MAKE_TOOL_ARGS macro defines the command line arguments for the FIP tool for
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# each BL image. Arguments:
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# $(1) = BL stage (2, 30, 31, 32, 33)
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# $(2) = Binary file
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# $(3) = In FIP (false if empty)
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define MAKE_TOOL_ARGS |
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$(if $(3),$(eval $(call FIP_ADD_PAYLOAD,$(2),--bl$(1),bl$(1)))) |
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endef |
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# MAKE_BL macro defines the targets and options to build each BL image.
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# Arguments:
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# $(1) = BL stage (2, 30, 31, 32, 33)
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# $(2) = In FIP (false if empty)
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define MAKE_BL |
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$(eval BUILD_DIR := ${BUILD_PLAT}/bl$(1)) |
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$(eval SOURCES := $(BL$(1)_SOURCES) $(BL_COMMON_SOURCES) $(PLAT_BL_COMMON_SOURCES)) |
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$(eval OBJS := $(addprefix $(BUILD_DIR)/,$(call SOURCES_TO_OBJS,$(SOURCES)))) |
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$(eval LINKERFILE := $(call IMG_LINKERFILE,$(1))) |
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$(eval MAPFILE := $(call IMG_MAPFILE,$(1))) |
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$(eval ELF := $(call IMG_ELF,$(1))) |
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$(eval DUMP := $(call IMG_DUMP,$(1))) |
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$(eval BIN := $(call IMG_BIN,$(1))) |
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$(eval $(call MAKE_OBJS,$(BUILD_DIR),$(SOURCES),$(1))) |
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$(eval $(call MAKE_LD,$(LINKERFILE),$(BL$(1)_LINKERFILE))) |
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$(BUILD_DIR): |
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$$(Q)mkdir -p "$$@" |
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$(ELF): $(OBJS) $(LINKERFILE) |
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@echo " LD $$@" |
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@echo 'const char build_message[] = "Built : "__TIME__", "__DATE__; \
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const char version_string[] = "${VERSION_STRING}";' | \
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$$(CC) $$(CFLAGS) -xc - -o $(BUILD_DIR)/build_message.o |
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$$(Q)$$(LD) -o $$@ $$(LDFLAGS) -Map=$(MAPFILE) --script $(LINKERFILE) \
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$(BUILD_DIR)/build_message.o $(OBJS) |
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$(DUMP): $(ELF) |
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@echo " OD $$@" |
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$${Q}$${OD} -dx $$< > $$@ |
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$(BIN): $(ELF) |
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@echo " BIN $$@" |
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$$(Q)$$(OC) -O binary $$< $$@ |
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@echo |
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@echo "Built $$@ successfully" |
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@echo |
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.PHONY: bl$(1) |
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bl$(1): $(BUILD_DIR) $(BIN) $(DUMP) |
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all: bl$(1) |
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$(eval $(call MAKE_TOOL_ARGS,$(1),$(BIN),$(2))) |
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endef |
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@ -0,0 +1,116 @@ |
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#
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# Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# Neither the name of ARM nor the names of its contributors may be used
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# to endorse or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# This file defines the keys and certificates that must be created to establish
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# a Chain of Trust following the TBBR document. These definitions include the
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# command line options passed to the cert_create and fip_create tools.
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#
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# Expected environment:
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#
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# BUILD_PLAT: output directory
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# NEED_BL32: indicates whether BL3-2 is needed by the platform
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# BL2: image filename (optional). Default is IMG_BIN(2) (see macro IMG_BIN)
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# BL30: image filename (optional). Default is IMG_BIN(30)
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# BL31: image filename (optional). Default is IMG_BIN(31)
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# BL32: image filename (optional). Default is IMG_BIN(32)
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# BL33: image filename (optional). Default is IMG_BIN(33)
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#
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# Build options added by this file:
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#
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# KEY_ALG
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# ROT_KEY
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# TRUSTED_WORLD_KEY
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# NON_TRUSTED_WORLD_KEY
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# BL30_KEY
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# BL31_KEY
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# BL32_KEY
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# BL33_KEY
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#
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# Certificate generation tool default parameters
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TRUSTED_KEY_CERT := ${BUILD_PLAT}/trusted_key.crt |
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# Add Trusted Key certificate to the fip_create and cert_create command line options
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$(eval $(call FIP_ADD_PAYLOAD,${TRUSTED_KEY_CERT},--trusted-key-cert)) |
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$(eval $(call CERT_ADD_CMD_OPT,${TRUSTED_KEY_CERT},--trusted-key-cert)) |
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# Add the keys to the cert_create command line options (private keys are NOT
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# packed in the FIP). Developers can use their own keys by specifying the proper
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# build option in the command line when building the Trusted Firmware
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$(if ${KEY_ALG},$(eval $(call CERT_ADD_CMD_OPT,${KEY_ALG},--key-alg))) |
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$(if ${ROT_KEY},$(eval $(call CERT_ADD_CMD_OPT,${ROT_KEY},--rot-key))) |
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$(if ${TRUSTED_WORLD_KEY},$(eval $(call CERT_ADD_CMD_OPT,${TRUSTED_WORLD_KEY},--trusted-world-key))) |
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$(if ${NON_TRUSTED_WORLD_KEY},$(eval $(call CERT_ADD_CMD_OPT,${NON_TRUSTED_WORLD_KEY},--non-trusted-world-key))) |
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# Add the BL2 CoT (image cert + image)
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$(if ${BL2},$(eval $(call CERT_ADD_CMD_OPT,${BL2},--bl2,true)),\ |
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$(eval $(call CERT_ADD_CMD_OPT,$(call IMG_BIN,2),--bl2,true))) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl2.crt,--bl2-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl2.crt,--bl2-cert)) |
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# Add the BL30 CoT (key cert + img cert + image)
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ifneq (${BL30},) |
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$(eval $(call CERT_ADD_CMD_OPT,${BL30},--bl30,true)) |
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$(if ${BL30_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL30_KEY},--bl30-key))) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl30.crt,--bl30-cert)) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl30_key.crt,--bl30-key-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl30.crt,--bl30-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl30_key.crt,--bl30-key-cert)) |
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endif |
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# Add the BL31 CoT (key cert + img cert + image)
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$(if ${BL31},$(eval $(call CERT_ADD_CMD_OPT,${BL31},--bl31,true)),\ |
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$(eval $(call CERT_ADD_CMD_OPT,$(call IMG_BIN,31),--bl31,true))) |
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$(if ${BL31_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL31_KEY},--bl31-key))) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl31.crt,--bl31-cert)) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl31_key.crt,--bl31-key-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl31.crt,--bl31-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl31_key.crt,--bl31-key-cert)) |
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# Add the BL32 CoT (key cert + img cert + image)
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ifeq (${NEED_BL32},yes) |
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$(if ${BL32},$(eval $(call CERT_ADD_CMD_OPT,${BL32},--bl32,true)),\
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$(eval $(call CERT_ADD_CMD_OPT,$(call IMG_BIN,32),--bl32,true))) |
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$(if ${BL32_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL32_KEY},--bl32-key))) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl32.crt,--bl32-cert)) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl32_key.crt,--bl32-key-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl32.crt,--bl32-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl32_key.crt,--bl32-key-cert)) |
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endif |
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# Add the BL33 CoT (key cert + img cert + image)
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ifneq (${BL33},) |
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$(eval $(call CERT_ADD_CMD_OPT,${BL33},--bl33,true)) |
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$(if ${BL33_KEY},$(eval $(call CERT_ADD_CMD_OPT,${BL33_KEY},--bl33-key))) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl33.crt,--bl33-cert)) |
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$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl33_key.crt,--bl33-key-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl33.crt,--bl33-cert)) |
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$(eval $(call FIP_ADD_PAYLOAD,${BUILD_PLAT}/bl33_key.crt,--bl33-key-cert)) |
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endif |
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