1 # 2 # Copyright (C) 2016 The Android Open Source Project 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 # 16 17 #find build target 18 PLATFORM ?= stm32 19 CHIP ?= stm32f411 20 CPU ?= cortexm4 21 VARIANT ?= lunchbox 22 DEBUG ?= -DDEBUG 23 OUT := out/nanohub/$(VARIANT) 24 25 #bad words 26 BADWORDS += strcpy strcat atoi 27 BADWORDS += "rsaPrivOp=RSA private ops must never be compiled into firmware." 28 29 #find makefiles 30 MAKE_PLAT = os/platform/$(PLATFORM)/$(PLATFORM).mk 31 MAKE_CPU = os/cpu/$(CPU)/$(CPU).mk 32 33 ifndef VARIANT_PATH 34 VARIANT_PATH := variant/$(VARIANT) 35 endif 36 37 MAKE_VAR = $(VARIANT_PATH)/$(VARIANT).mk 38 39 #top make target 40 SRCS_os := 41 SRCS_bl := 42 DELIVERABLES := 43 44 .PHONY: real all 45 real: all 46 47 #include makefiles for plat and cpu 48 include $(MAKE_PLAT) 49 include $(MAKE_CPU) 50 include $(MAKE_VAR) 51 52 FLAGS += -Ios/algos 53 FLAGS += -Ios/cpu/$(CPU)/inc 54 FLAGS += -Ios/inc 55 FLAGS += -Ios/platform/$(PLATFORM)/inc 56 FLAGS += -I$(VARIANT_PATH)/inc 57 FLAGS += -Iexternal/freebsd/inc 58 FLAGS += -I../lib/include 59 FLAGS += -I../../../../system/chre/chre_api/include/chre_api 60 61 FLAGS += -Wall -Werror 62 #help avoid commmon embedded C mistakes 63 FLAGS += -Wmissing-declarations -Wlogical-op -Waddress -Wempty-body -Wpointer-arith -Wenum-compare -Wdouble-promotion -Wfloat-equal -Wshadow -fno-strict-aliasing 64 65 OSFLAGS += -g -ggdb3 -D_OS_BUILD_ -O2 66 OSFLAGS_os += -DUSE_PRINTF_FLAG_CHARS 67 68 #debug mode 69 FLAGS += $(DEBUG) 70 71 include firmware_conf.mk 72 73 FLAGS += $(COMMON_FLAGS) 74 75 #bootloader pieces 76 SRCS_bl += ../lib/nanohub/sha2.c ../lib/nanohub/rsa.c ../lib/nanohub/aes.c os/core/seos.c 77 78 #frameworks 79 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 80 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 81 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 82 SRCS_os += os/algos/ap_hub_sync.c 83 SRCS_bl += os/core/bl.c 84 85 #some help for bootloader 86 SRCS_bl += os/core/printf.c 87 88 SRCS_os += ../lib/nanohub/softcrc.c 89 90 #extra deps 91 DEPS += $(wildcard inc/*.h) 92 DEPS += $(wildcard ../inc/*.h) 93 DEPS += $(wildcard ../inc/chre/*.h) 94 DEPS += $(wildcard $(VARIANT_PATH)/inc/variant/*.h) 95 DEPS += firmware.mk firmware_conf.mk $(MAKE_PLAT) $(MAKE_CPU) $(MAKE_VAR) 96 DELIVERABLES += $(OUT)/full.bin 97 98 all: $(DELIVERABLES) 99 100 $(OUT)/bl.unchecked.elf: $(SRCS_bl) $(DEPS) 101 mkdir -p $(dir $@) 102 $(GCC) -o $@ $(SRCS_bl) $(OSFLAGS) $(OSFLAGS_bl) $(FLAGS) 103 104 $(OUT)/os.unchecked.elf: $(SRCS_os) $(DEPS) 105 mkdir -p $(dir $@) 106 $(GCC) -o $@ $(SRCS_os) $(OSFLAGS) $(OSFLAGS_os) $(FLAGS) 107 108 $(OUT)/%.checked.elf : $(OUT)/%.unchecked.elf symcheck.sh 109 mkdir -p $(dir $@) 110 ./symcheck.sh $< $@ $(BADWORDS) 111 112 $(OUT)/full.bin: $(BL_FILE) $(OS_FILE) 113 mkdir -p $(dir $@) 114 cat $(BL_FILE) $(OS_FILE) > $@ 115 116 clean: 117 rm -rf $(OUT) 118 119 .SECONDARY: $(OUT)/os.checked.elf 120
