CROSS_COMPILE ?= arm-none-eabi

CC := $(CROSS_COMPILE)-gcc

LD := $(CROSS_COMPILE)-ld

AR := $(CROSS_COMPILE)-ar

OC := $(CROSS_COMPILE)-objcopy

OD := $(CROSS_COMPILE)-objdump

PROJECT = yaos

VERSION = $(shell git describe --all | sed 's/^.*\///').$(shell git describe --abbrev=4 --dirty --always)

BASEDIR = $(shell pwd)

BUILDIR = build

CFLAGS += -nostartfiles -fno-builtin #-nostdlib

CFLAGS += -Wall -Wunused-parameter -Werror -Wno-main -Wextra #-Wpointer-arith

CFLAGS += -O2 #-std=c99

ARFLAGS = rcs

OCFLAGS =

ODFLAGS = -Dsx

DEFS += -DVERSION=$(VERSION)

-include .config

include CONFIGURE

include Makefile.3rd

TARGET = $(ARCH)

DEFS += -DMACHINE=$(MACH) -D$(SOC) -DLOADADDR=$(LOADADDR)

CFLAGS += -march=$(ARCH)

LD_SCRIPT = $(BUILDIR)/generated.ld

LDFLAGS = -T$(LD_SCRIPT)

ifdef LD_LIBRARY_PATH

LDFLAGS += -L$(LD_LIBRARY_PATH) -lgcc -lc -lm

SUBDIRS = lib kernel tasks

INCS += -I$(BASEDIR)/include

FILES = $(wildcard $1$2) $(foreach d,$(wildcard $1*),$(call FILES,$d/,$2))

INC_TMP = include/asm

INC_ASM = $(call FILES,arch/$(ARCH)/include,*.h) \

$(call FILES,arch/$(ARCH)/mach-$(MACH)/include,*.h) \

$(call FILES,arch/$(ARCH)/mach-$(MACH)/boards/$(BOARD)/include,*.h)

SRCS_ASM = $(call FILES,arch/$(ARCH)/,*.S)

SRCS += $(foreach dir,$(SUBDIRS),$(wildcard $(dir)/*.c $(dir)/**/*.c)) \

$(wildcard *.c) \

$(wildcard arch/$(ARCH)/*.c) $(wildcard arch/$(ARCH)/mach-$(MACH)/*.c) \

$(wildcard arch/$(ARCH)/mach-$(MACH)/boards/$(BOARD)/*.c) \

fs/fs.c \

fs/ramfs.c

OBJS = $(addprefix $(BUILDIR)/, $(SRCS:.c=.o)) \

$(addprefix $(BUILDIR)/, $(SRCS_ASM:.S=.o))

THIRD_PARTY_OBJS = $(addprefix $(BUILDIR)/3rd/, $(THIRD_PARTY_SRCS:.c=.o))

OUTPUTS = $(addprefix $(BUILDIR)/$(PROJECT)., a bin hex dump sha256 img)

DEPS = $(OBJS:.o=.d) $(THIRD_PARTY_OBJS:.o=.d)

Q := @

all: $(BUILDIR) $(OUTPUTS) test

@printf "\n Version : $(VERSION)\n"

@printf " Architecture : $(ARCH)\n"

@printf " Vendor : $(MACH)\n"

@printf " SoC : $(SOC)\n"

@printf " Board : $(BOARD)\n\n"

@printf " Section Size(in bytes):\n"

@awk '/^.text/ || /^.data/ || /^.bss/ {printf(" %s\t\t %8d\n", $$1, strtonum($$3))}' $(BUILDIR)/$(PROJECT).map

@wc -c $(BUILDIR)/$(PROJECT).bin | awk '{printf("\n .bin\t\t %8d\n", $$1)}'

@wc -c $(BUILDIR)/$(PROJECT).img | awk '{printf(" .img\t\t %8d\n", $$1)}'

@printf "\n sha256: $(shell cat $(BUILDIR)/$(PROJECT).sha256)\n"

.PRECIOUS: $(BUILDIR)/%.signature $(BUILDIR)/%.enc

$(BUILDIR)/%.img: $(BUILDIR)/%.enc $(BUILDIR)/%.signature

@printf " IMAGE $@\n"

$(Q)printf "DEADC0DE DEADC1DE DEADC2DE" | xxd -r -p > $@

$(Q)wc -c < $< | awk '{printf("%08x", $$1)}' | tools/endian.sh | xxd -r -p >> $@

$(Q)cat examples/aes128.iv | xxd -r -p >> $@

@#$(Q)echo $(shell sha256sum $<) | awk '{printf("%s\n", $$1)}' | xxd -r -p >> $@

$(Q)cat $(@D)/$(*F).signature | xxd -r -p >> $@

$(Q)cat $< >> $@

@# Initial BootOpt for bootloader. Upload this at LOADADDR - sector size.

$(Q)echo $(UPLOAD) | sed -e "s/^0x//" | tools/endian.sh | xxd -r -p > $(@D)/bootopt.bin

$(Q)wc -c < $< | awk '{printf("%08x", $$1)}' | tools/endian.sh | xxd -r -p >> $(@D)/bootopt.bin

$(Q)cat $(@D)/$(*F).signature | xxd -r -p >> $(@D)/bootopt.bin

$(Q)cat examples/aes128.iv | xxd -r -p >> $(@D)/bootopt.bin

$(BUILDIR)/%.signature: $(BUILDIR)/%.enc

@printf " SIGN $@\n"

$(Q)$(shell openssl dgst -sha256 -sign examples/secp256r1-key.pem $< > $(@D)/$(*F).der)

$(Q)xxd -p -c 128 $(@D)/$(*F).der | tools/der2bin.sh > $@

$(BUILDIR)/%.enc: $(BUILDIR)/%.bin

@printf " ENCRYPT $@\n"

$(Q)openssl enc -aes-128-ctr -K $(shell cat examples/aes128.key) -iv $(shell cat examples/aes128.iv) -in $< -out $@ #-base64

$(BUILDIR)/%.sha256: $(BUILDIR)/%.bin

@printf " HASH $@\n"

$(Q)echo $(shell sha256sum $<) > $@

$(BUILDIR)/%.dump: $(BUILDIR)/%.elf

@printf " OD $@\n"

$(Q)$(OD) $(ODFLAGS) $< > $@

$(BUILDIR)/%.hex: $(BUILDIR)/%.elf

@printf " OC $@\n"

$(Q)$(OC) $(OCFLAGS) -O ihex $< $@

$(BUILDIR)/%.bin: $(BUILDIR)/%.elf

@printf " OC $@\n"

$(Q)$(OC) $(OCFLAGS) -O binary $< $@

$(BUILDIR)/$(PROJECT).elf: $(OBJS) $(THIRD_PARTY_OBJS)

@printf " LD $@\n"

@#$(Q)$(LD) -o $@ $^ $(LIBS) -Map $(BUILDIR)/$(PROJECT).map $(LDFLAGS)

$(Q)$(CC) $(CFLAGS) $(INCS) $(DEFS) -o $@ $^ $(LIBS) -Wl,-Map,$(BUILDIR)/$(PROJECT).map $(LDFLAGS)

$(BUILDIR)/$(PROJECT).a: $(OBJS) $(THIRD_PARTY_OBJS)

@printf " AR $@\n"

$(Q)$(AR) $(ARFLAGS) -o $@ $^

$(OBJS): $(BUILDIR)/%.o: %.c Makefile CONFIGURE .config

@printf " CC $<\n"

@mkdir -p $(@D)

$(Q)$(CC) $(CFLAGS) $(INCS) $(DEFS) -MMD -c $< -o $@

$(THIRD_PARTY_OBJS): $(BUILDIR)/3rd/%.o: %.c Makefile Makefile.3rd CONFIGURE .config

@printf " CC $(<F)\n"

@mkdir -p $(@D)

$(Q)$(CC) $(THIRD_PARTY_CFLAGS) $(THIRD_PARTY_INCS) $(DEFS) -c $< -o $@

$(LD_SCRIPT): arch/$(ARCH)/mach-$(MACH)/$(LD_SCRIPT_MACH) arch/$(ARCH)/common.ld .config

@printf " GEN $@\n"

@mkdir -p $(@D)

$(Q)-cp arch/$(ARCH)/mach-$(MACH)/$(LD_SCRIPT_MACH) $@

$(Q)$(CC) -E -x c $(CFLAGS) $(DEFS) arch/$(ARCH)/common.ld | grep -v '^#' >> $@

.c.o:

@printf " CC $(<F)\n"

$(Q)$(CC) $(CFLAGS) $(INCS) $(DEFS) -c $< -o $@

$(BUILDIR): $(INC_TMP) $(LD_SCRIPT)

-include $(DEPS)

include/asm: $(INC_ASM) .config

@printf " COPY $@\n"

@rm -rf include/asm

$(Q)-cp -R arch/$(ARCH)/include include/asm

$(Q)-cp -R arch/$(ARCH)/mach-$(MACH)/include include/asm/mach

$(Q)-cp include/asm/mach/$(SOC).h include/asm/mach/reg.h

ifdef BOARD

$(Q)-cp -R arch/$(ARCH)/mach-$(MACH)/boards/$(BOARD)/include include/asm/mach/board

$(Q)-cp -f arch/$(ARCH)/mach-$(MACH)/boards/$(BOARD)/include/pinmap.h include/asm/

$(Q)-cp -f arch/$(ARCH)/mach-$(MACH)/boards/$(BOARD)/include/hw.h include/asm/

.PHONY: clean

clean: cleantest

@rm -rf $(BUILDIR)

@rm -rf include/asm

ifneq ($(MAKECMDGOALS), clean)

ifneq ($(MAKECMDGOALS), depend)

ifneq ($(SRCS),)

-include $(BUILDIR)/$(PROJECT).dep

endif

endif

armv7-m4: armv7-m

@echo "CFLAGS += -mtune=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16" >> .config

@echo "CFLAGS += -fsingle-precision-constant -Wdouble-promotion" >> .config

armv7-m3: armv7-m

@echo "CFLAGS += -mtune=cortex-m3" >> .config

armv7-m:

@echo "ARCH = armv7-m" > .config

@echo "CFLAGS += -mthumb" >> .config

stm32f4: armv7-m4 stm32

@echo "SOC = stm32f4" >> .config

stm32f3: armv7-m4 stm32

@echo "SOC = stm32f3" >> .config

stm32f1: armv7-m3 stm32

@echo "SOC = stm32f1" >> .config

stm32:

@echo "MACH = stm32" >> .config

mycortex-stm32f4: stm32f4

@echo "BOARD = mycortex-stm32f4" >> .config

@echo "LD_SCRIPT_MACH = stm32f4.ld" >> .config

ust-mpb-stm32f103: stm32f1

@echo "BOARD = ust-mpb-stm32f103" >> .config

@echo "LD_SCRIPT_MACH = stm32f1.ld" >> .config

stm32f1-min: stm32f1

@echo "BOARD = stm32f1-min" >> .config

@echo "LD_SCRIPT_MACH = boards/stm32f1-min/memory.ld" >> .config

stm32-lcd: stm32f1

@echo "BOARD = stm32-lcd" >> .config

@echo "LD_SCRIPT_MACH = stm32f1.ld" >> .config

mango-z1: stm32f1

@echo "BOARD = mango-z1" >> .config

@echo "LD_SCRIPT_MACH = boards/mango-z1/memory.ld" >> .config

nrf52: armv7-m4

@echo "DEFS += -DNRF52832_XXAA" >> .config

@echo "LD_SCRIPT_MACH = nrf52.ld" >> .config

@echo "MACH = nrf5" >> .config

@echo "SOC = nrf52" >> .config

stm32f469i-disco: stm32f4

@echo "BOARD = stm32f469i-disco" >> .config

@echo "LD_SCRIPT_MACH = boards/stm32f469i-disco/memory.ld" >> .config

stm32f429i-disco: stm32f4

@echo "BOARD = stm32f429i-disco" >> .config

@echo "LD_SCRIPT_MACH = boards/stm32f429i-disco/memory.ld" >> .config

rpi: rpi-common

@echo "SOC = bcm2835" >> .config

@echo "CFLAGS += -mtune=arm1176jzf-s -mfloat-abi=hard -mfpu=vfp" >> .config

#@echo "ARCH = armv6zk" >> .config

rpi2: rpi-common

@echo "SOC = bcm2836" >> .config

@echo "CFLAGS += -mtune=cortex-a7 -mfloat-abi=hard -mfpu=vfpv3-d16" >> .config

rpi-common:

@echo "ARCH = armv7-a" >> .config

@echo "MACH = rpi" > .config

TTY = /dev/tty.usbmodem141133

.PHONY: burn flash

burn flash: $(BUILDIR)/$(PROJECT).bin

st-flash --reset write $(BUILDIR)/$(PROJECT:%=%.bin) $(LOADADDR)

.PHONY: upload

upload: $(BUILDIR)/$(PROJECT).img

st-flash --reset write $(BUILDIR)/$(PROJECT:%=%.img) $(UPLOAD)

.PHONY: erase

erase:

st-flash erase

.PHONY: term

term:

minicom -D $(TTY)

include Makefile.tst