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https://github.com/Telecominfraproject/OpenCellular.git
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beaddbf1a3
The Zinger RW is now signed with 2048-bit RSA key (using SHA-256 as digest). This CL implements the verification mechanism. note: the RSA key used for signing must be provided as a .pem file. The path to .pem file must be provided in the PEM environment variable. By default, it's using the dev key stored in zinger_dev_key.pem. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=samus BUG=chrome-os-partner:28336 TEST=on Zinger, run with properly signed RW firmware and corrupted firmware and check the serial traces. Change-Id: Ia58482458904a3ed72d6b0e95996cae86a0ead83 Reviewed-on: https://chromium-review.googlesource.com/220178 Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Alec Berg <alecaberg@chromium.org>
131 lines
4.3 KiB
Makefile
131 lines
4.3 KiB
Makefile
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Embedded Controller firmware build system
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#
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# If we came here via a symlink we restart make and deduce the correct BOARD
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# value from the current directory.
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SYMLINK := $(shell readlink $(lastword $(MAKEFILE_LIST)))
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ifneq (,$(SYMLINK))
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.PHONY: restart
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restart: .DEFAULT
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@true
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.DEFAULT:
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@$(MAKE) -C $(dir $(SYMLINK)) \
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--no-print-directory \
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$(MAKECMDGOALS) \
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BOARD=$(notdir $(shell pwd))
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else
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BOARD ?= bds
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PROJECT?=ec
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# Output directory for build objects
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out?=build/$(BOARD)
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# If no key file is provided, use the default dev key
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PEM ?= board/$(BOARD)/dev_key.pem
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include Makefile.toolchain
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all: $(out)/$(PROJECT).bin utils
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# The board makefile sets $CHIP and the chip makefile sets $CORE.
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# Include those now, since they must be defined for _flag_cfg below.
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include board/$(BOARD)/build.mk
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include chip/$(CHIP)/build.mk
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# Create uppercase config variants, to avoid mixed case constants.
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# Also translate '-' to '_', so 'cortex-m' turns into 'CORTEX_M'. This must
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# be done before evaluating config.h.
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uppercase = $(shell echo $(1) | tr '[:lower:]-' '[:upper:]_')
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UC_BOARD:=$(call uppercase,$(BOARD))
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UC_CHIP:=$(call uppercase,$(CHIP))
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UC_CHIP_FAMILY:=$(call uppercase,$(CHIP_FAMILY))
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UC_CHIP_VARIANT:=$(call uppercase,$(CHIP_VARIANT))
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UC_CORE:=$(call uppercase,$(CORE))
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UC_PROJECT:=$(call uppercase,$(PROJECT))
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# Transform the configuration into make variables. This must be done after
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# the board/project/chip/core variables are defined, since some of the configs
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# are dependent on particular configurations.
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includes=include core/$(CORE)/include $(dirs) $(out) test
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ifeq "$(TEST_BUILD)" "y"
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_tsk_lst:=$(shell echo "CONFIG_TASK_LIST CONFIG_TEST_TASK_LIST" | \
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$(CPP) -P -Iboard/$(BOARD) -Itest \
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-D"TASK_NOTEST(n, r, d, s)=" -D"TASK_ALWAYS(n, r, d, s)=n" \
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-D"TASK_TEST(n, r, d, s)=n" -imacros ec.tasklist \
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-imacros $(PROJECT).tasklist)
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else
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_tsk_lst:=$(shell echo "CONFIG_TASK_LIST" | $(CPP) -P \
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-Iboard/$(BOARD) -D"TASK_NOTEST(n, r, d, s)=n" \
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-D"TASK_ALWAYS(n, r, d, s)=n" -imacros ec.tasklist)
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endif
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_tsk_cfg:=$(foreach t,$(_tsk_lst) ,HAS_TASK_$(t))
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CPPFLAGS+=$(foreach t,$(_tsk_cfg),-D$(t))
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_flag_cfg:=$(shell $(CPP) $(CPPFLAGS) -P -dM -Ichip/$(CHIP) -Iboard/$(BOARD) \
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include/config.h | grep -o "\#define CONFIG_[A-Z0-9_]*" | \
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cut -c9- | sort)
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$(foreach c,$(_tsk_cfg) $(_flag_cfg),$(eval $(c)=y))
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ifneq "$(CONFIG_COMMON_RUNTIME)" "y"
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_irq_list:=$(shell $(CPP) $(CPPFLAGS) -P -Ichip/$(CHIP) -Iboard/$(BOARD) \
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-D"ENABLE_IRQ(x)=EN_IRQ x" -imacros chip/$(CHIP)/registers.h \
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board/$(BOARD)/ec.irqlist | grep "EN_IRQ .*" | cut -c8-)
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CPPFLAGS+=$(foreach irq,$(_irq_list),\
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-D"irq_$(irq)_handler_optional=irq_$(irq)_handler")
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endif
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# Compute RW firmware size and offset
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_rw_off_str:=$(shell echo "CONFIG_FW_RW_OFF" | $(CPP) $(CPPFLAGS) -P \
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-Ichip/$(CHIP) -Iboard/$(BOARD) -imacros include/config.h)
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_rw_off:=$(shell echo "$$(($(_rw_off_str)))")
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_rw_size_str:=$(shell echo "CONFIG_FW_RW_SIZE" | $(CPP) $(CPPFLAGS) -P \
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-Ichip/$(CHIP) -Iboard/$(BOARD) -imacros include/config.h)
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_rw_size:=$(shell echo "$$(($(_rw_size_str)))")
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# Get build configuration from sub-directories
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# Note that this re-includes the board and chip makefiles
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include board/$(BOARD)/build.mk
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include chip/$(CHIP)/build.mk
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include core/$(CORE)/build.mk
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$(eval BOARD_$(UC_BOARD)=y)
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include common/build.mk
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include driver/build.mk
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include power/build.mk
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-include private/build.mk
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include test/build.mk
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include util/build.mk
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include util/lock/build.mk
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includes+=$(includes-y)
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objs_from_dir=$(sort $(foreach obj, $($(2)-y), \
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$(out)/$(1)/$(firstword $($(2)-mock-$(PROJECT)-$(obj)) $(obj))))
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# Get all sources to build
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all-y=$(call objs_from_dir,core/$(CORE),core)
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all-y+=$(call objs_from_dir,chip/$(CHIP),chip)
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all-y+=$(call objs_from_dir,board/$(BOARD),board)
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all-y+=$(call objs_from_dir,private,private)
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all-y+=$(call objs_from_dir,common,common)
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all-y+=$(call objs_from_dir,driver,driver)
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all-y+=$(call objs_from_dir,power,power)
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all-y+=$(call objs_from_dir,test,$(PROJECT))
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dirs=core/$(CORE) chip/$(CHIP) board/$(BOARD) private common power test util
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dirs+=$(shell find driver -type d)
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include Makefile.rules
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endif # SYMLINK
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