mirror of
https://github.com/Telecominfraproject/OpenCellular.git
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b63b0d70f5
Allow to use larger RSA keys by setting CONFIG_RSA_KEY_SIZE to 4096 or 8192 rather than using the default 2048-bit size. It's mainly for benchmarking purpose right now as we don't have the RAM to store the 3x key size buffer and the flash space for the public key structure. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=samus BUG=none TEST=build Zinger with CONFIG_RSA_KEY_SIZE equals to 4096 and run it. Change-Id: I9839121bf158d0a30dde1e48d875f345191bfec2 Reviewed-on: https://chromium-review.googlesource.com/228925 Reviewed-by: Randall Spangler <rspangler@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org>
144 lines
4.7 KiB
Makefile
144 lines
4.7 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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# Define the traditional first target. The dependencies of this are near the bottom
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# as they can be altered by chip and board files.
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all:
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.PHONY: all
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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 "$$(($(_rw_off_str)))")
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_rw_size_str:=$(shell echo "CONFIG_FW_RW_SIZE" | $(CPP) $(CPPFLAGS) -P \
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-Ichip/$(CHIP) -Iboard/$(BOARD) -imacros include/config.h)
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_rw_size:=$(shell echo "$$(($(_rw_size_str)))")
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# Get RSA key size from board defines
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_rsa_size:=$(shell echo "CONFIG_RSA_KEY_SIZE" | $(CPP) $(CPPFLAGS) -P \
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-Ichip/$(CHIP) -Iboard/$(BOARD) -imacros include/rsa.h)
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$(eval RSA_KEY_SIZE=$(_rsa_size))
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$(eval BOARD_$(UC_BOARD)=y)
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$(eval CHIP_$(UC_CHIP)=y)
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$(eval CHIP_VARIANT_$(UC_CHIP_VARIANT)=y)
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$(eval CHIP_FAMILY_$(UC_CHIP_FAMILY)=y)
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# Get build configuration from sub-directories
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# Note that this re-includes the board and chip makefiles
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include board/$(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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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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all: $(out)/$(PROJECT).bin utils ${PROJECT_EXTRA}
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include Makefile.rules
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endif # SYMLINK
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