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#
# Copyright (C) 2016 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#find build target
PLATFORM ?= stm32
CHIP ?= stm32f411
CPU ?= cortexm4
VARIANT ?= lunchbox
DEBUG ?= -DDEBUG
OUT := out/nanohub/$(VARIANT)
#bad words
BADWORDS += strcpy strcat atoi
BADWORDS += "rsaPrivOp=RSA private ops must never be compiled into firmware."
#find makefiles
MAKE_PLAT = os/platform/$(PLATFORM)/$(PLATFORM).mk
MAKE_CPU = os/cpu/$(CPU)/$(CPU).mk
ifndef VARIANT_PATH
VARIANT_PATH := variant/$(VARIANT)
endif
MAKE_VAR = $(VARIANT_PATH)/$(VARIANT).mk
#top make target
SRCS_os :=
SRCS_bl :=
DELIVERABLES :=
.PHONY: real all
real: all
#include makefiles for plat and cpu
include $(MAKE_PLAT)
include $(MAKE_CPU)
include $(MAKE_VAR)
FLAGS += -Ios/algos
FLAGS += -Ios/cpu/$(CPU)/inc
FLAGS += -Ios/inc
FLAGS += -Ios/platform/$(PLATFORM)/inc
FLAGS += -I$(VARIANT_PATH)/inc
FLAGS += -Iexternal/freebsd/inc
FLAGS += -I../lib/include
FLAGS += -I../../../../system/chre/chre_api/include/chre_api
FLAGS += -I../../../../system/chre/util/include
FLAGS += -Wall -Werror
#help avoid commmon embedded C mistakes
FLAGS += -Wmissing-declarations -Wlogical-op -Waddress -Wempty-body -Wpointer-arith -Wenum-compare -Wdouble-promotion -Wfloat-equal -Wshadow -fno-strict-aliasing
OSFLAGS += -g -ggdb3 -D_OS_BUILD_ -O2
OSFLAGS_os += -DUSE_PRINTF_FLAG_CHARS
#debug mode
FLAGS += $(DEBUG)
include firmware_conf.mk
FLAGS += $(COMMON_FLAGS)
#bootloader pieces
SRCS_bl += ../lib/nanohub/sha2.c ../lib/nanohub/rsa.c ../lib/nanohub/aes.c os/core/seos.c
#frameworks
SRCS_os += os/core/printf.c os/core/timer.c os/core/seos.c os/core/heap.c os/core/slab.c os/core/spi.c os/core/trylock.c
SRCS_os += os/core/hostIntf.c os/core/hostIntfI2c.c os/core/hostIntfSpi.c os/core/nanohubCommand.c os/core/sensors.c os/core/syscall.c
SRCS_os += os/core/eventQ.c os/core/osApi.c os/core/appSec.c os/core/simpleQ.c os/core/floatRt.c os/core/nanohub_chre.c
SRCS_os += os/algos/ap_hub_sync.c
SRCS_bl += os/core/bl.c
#some help for bootloader
SRCS_bl += os/core/printf.c
SRCS_os += ../lib/nanohub/softcrc.c
#extra deps
DEPS += $(wildcard inc/*.h)
DEPS += $(wildcard ../inc/*.h)
DEPS += $(wildcard ../inc/chre/*.h)
DEPS += $(wildcard $(VARIANT_PATH)/inc/variant/*.h)
DEPS += firmware.mk firmware_conf.mk $(MAKE_PLAT) $(MAKE_CPU) $(MAKE_VAR)
DELIVERABLES += $(OUT)/full.bin
all: $(DELIVERABLES)
$(OUT)/bl.unchecked.elf: $(SRCS_bl) $(DEPS)
mkdir -p $(dir $@)
$(GCC) -o $@ $(SRCS_bl) $(OSFLAGS) $(OSFLAGS_bl) $(FLAGS)
$(OUT)/os.unchecked.elf: $(SRCS_os) $(DEPS)
mkdir -p $(dir $@)
$(GCC) -o $@ $(SRCS_os) $(OSFLAGS) $(OSFLAGS_os) $(FLAGS)
$(OUT)/%.checked.elf : $(OUT)/%.unchecked.elf symcheck.sh
mkdir -p $(dir $@)
./symcheck.sh $< $@ $(BADWORDS)
$(OUT)/full.bin: $(BL_FILE) $(OS_FILE)
mkdir -p $(dir $@)
cat $(BL_FILE) $(OS_FILE) > $@
clean:
rm -rf $(OUT)
.SECONDARY: $(OUT)/os.checked.elf
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