| # |
| # 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 ?= stm32f4xx |
| CPU ?= cortexm4f |
| VARIANT ?= lunchbox |
| DEBUG ?= -DDEBUG |
| |
| #bad words |
| BADWORDS += strcpy strcat atoi |
| BADWORDS += "rsaPrivOp=RSA private ops must never be compiled into firmware." |
| |
| #find makefiles |
| MAKE_PLAT = misc/platform/$(PLATFORM)/Makefile |
| MAKE_CPU = misc/cpu/$(CPU)/Makefile |
| |
| #link paths |
| ifdef VARIANT_PATH |
| LINK_PATH_MISC = $(VARIANT_PATH)/misc |
| LINK_PATH_SRC = $(VARIANT_PATH)/src |
| LINK_PATH_INC = $(VARIANT_PATH)/inc |
| else |
| LINK_PATH_MISC = misc/variant/$(VARIANT) |
| LINK_PATH_SRC = src/variant/$(VARIANT) |
| LINK_PATH_INC = inc/variant/$(VARIANT) |
| endif |
| |
| #variant makefile |
| MAKE_VAR = $(LINK_PATH_MISC)/Makefile |
| |
| #top make target |
| SRCS_os := |
| SRCS_bl := |
| DELIVERABLES := |
| real: all |
| |
| #include makefiles for plat and cpu |
| include $(MAKE_PLAT) |
| include $(MAKE_CPU) |
| include $(MAKE_VAR) |
| |
| FLAGS += -Wall -Werror -Iinc -Ilinks -Iexternal/freebsd/inc -I../lib/include -fshort-double |
| #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 |
| APPFLAGS += -Os |
| |
| #debug mode |
| FLAGS += $(DEBUG) |
| |
| #bootloader pieces |
| SRCS_bl += ../lib/nanohub/sha2.c ../lib/nanohub/rsa.c ../lib/nanohub/aes.c src/seos.c |
| |
| #frameworks |
| SRCS_os += src/printf.c src/timer.c src/seos.c src/heap.c src/slab.c src/spi.c src/trylock.c |
| SRCS_os += src/hostIntf.c src/hostIntfI2c.c src/hostIntfSpi.c src/nanohubCommand.c src/sensors.c src/syscall.c |
| SRCS_os += src/eventQ.c src/osApi.c src/appSec.c src/simpleQ.c src/floatRt.c |
| |
| #some help for bootloader |
| SRCS_bl += src/printf.c |
| |
| ifndef PLATFORM_HAS_HARDWARE_CRC |
| SRCS_os += ../lib/nanohub/softcrc.c |
| endif |
| |
| #app code |
| include $(wildcard app/*/Makefile) |
| |
| |
| #extra deps |
| DEPS += $(wildcard app/*.h) |
| DEPS += $(wildcard inc/*.h) |
| DEPS += Makefile $(MAKE_PLAT) $(MAKE_CPU) $(MAKE_VAR) |
| |
| all: symlinks $(DELIVERABLES) |
| |
| symlinks: links/p_$(PLATFORM) links/c_$(CPU) links/v_$(VARIANT) |
| |
| links/p_$(PLATFORM): |
| rm -rf links/plat links/p_* |
| mkdir -p links/plat |
| ln -s ../../misc/platform/$(PLATFORM) links/plat/misc |
| ln -s ../../src/platform/$(PLATFORM) links/plat/src |
| ln -s ../../inc/platform/$(PLATFORM) links/plat/inc |
| touch links/p_$(PLATFORM) |
| |
| links/c_$(CPU): |
| rm -rf links/cpu links/c_* |
| mkdir -p links/cpu |
| ln -s ../../misc/cpu/$(CPU) links/cpu/misc |
| ln -s ../../src/cpu/$(CPU) links/cpu/src |
| ln -s ../../inc/cpu/$(CPU) links/cpu/inc |
| touch links/c_$(CPU) |
| |
| links/v_$(VARIANT): |
| rm -rf links/variant links/v_* |
| mkdir -p links/variant |
| ln -s ../../$(LINK_PATH_MISC) links/variant/misc |
| ln -s ../../$(LINK_PATH_SRC) links/variant/src |
| ln -s ../../$(LINK_PATH_INC) links/variant/inc |
| touch links/v_$(VARIANT) |
| |
| %.unchecked.elf: symlinks $(SRCS_$*) $(DEPS) |
| $(GCC) -o $@ $(SRCS_$*) $(OSFLAGS) $(OSFLAGS_$*) $(FLAGS) -lm -lc -lgcc |
| |
| %.checked.elf : %.unchecked.elf symcheck.sh |
| ./symcheck.sh $< $@ $(BADWORDS) |
| |
| full.bin: $(BL_FILE) $(OS_FILE) |
| cat $(BL_FILE) $(OS_FILE) > $@ |
| |
| clean: |
| rm -rf $(DELIVERABLES) os.elf bootloader.elf links $(CLEANFILES) |
| |
