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Makefile
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Makefile
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BOARD=zero
-include Makefile.user
include boards/$(BOARD)/board.mk
CC=arm-none-eabi-gcc
ifeq ($(CHIP_FAMILY), samd21)
COMMON_FLAGS = -mthumb -mcpu=cortex-m0plus -Os -g -DSAMD21
endif
ifeq ($(CHIP_FAMILY), samd51)
COMMON_FLAGS = -mthumb -mcpu=cortex-m4 -O2 -g -DSAMD51
endif
WFLAGS = \
-Wall -Wstrict-prototypes \
-Werror-implicit-function-declaration -Wpointer-arith -std=gnu99 \
-ffunction-sections -fdata-sections -Wchar-subscripts -Wcomment -Wformat=2 \
-Wimplicit-int -Wmain -Wparentheses -Wsequence-point -Wreturn-type -Wswitch \
-Wtrigraphs -Wunused -Wuninitialized -Wunknown-pragmas -Wfloat-equal -Wno-undef \
-Wbad-function-cast -Wwrite-strings -Waggregate-return \
-Wformat -Wmissing-format-attribute \
-Wno-deprecated-declarations -Wpacked -Wredundant-decls -Wnested-externs \
-Wlong-long -Wunreachable-code -Wcast-align \
-Wno-missing-braces -Wno-overflow -Wno-shadow -Wno-attributes -Wno-packed -Wno-pointer-sign
CFLAGS = $(COMMON_FLAGS) \
-x c -c -pipe -nostdlib \
--param max-inline-insns-single=500 \
-fno-strict-aliasing -fdata-sections -ffunction-sections \
-D__$(CHIP_VARIANT)__ \
$(WFLAGS)
UF2_VERSION_BASE = $(shell git describe --dirty --always --tags)
ifeq ($(CHIP_FAMILY), samd21)
LINKER_SCRIPT=scripts/samd21j18a.ld
BOOTLOADER_SIZE=8192
SELF_LINKER_SCRIPT=scripts/samd21j18a_self.ld
endif
ifeq ($(CHIP_FAMILY), samd51)
LINKER_SCRIPT=scripts/samd51j19a.ld
BOOTLOADER_SIZE=16384
SELF_LINKER_SCRIPT=scripts/samd51j19a_self.ld
endif
LDFLAGS= $(COMMON_FLAGS) \
-Wall -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--unresolved-symbols=report-all -Wl,--warn-common \
-Wl,--warn-section-align \
-save-temps -nostartfiles \
--specs=nano.specs --specs=nosys.specs
BUILD_PATH=build/$(BOARD)
INCLUDES = -I. -I./inc -I./inc/preprocessor
INCLUDES += -I./boards/$(BOARD) -Ilib/cmsis/CMSIS/Include -Ilib/usb_msc
INCLUDES += -I$(BUILD_PATH)
ifeq ($(CHIP_FAMILY), samd21)
INCLUDES += -Ilib/samd21/samd21a/include/
endif
ifeq ($(CHIP_FAMILY), samd51)
ifeq ($(findstring SAME54,$(CHIP_VARIANT)),SAME54)
INCLUDES += -Ilib/same54/include/
else
INCLUDES += -Ilib/samd51/include/
endif
endif
COMMON_SRC = \
src/flash_$(CHIP_FAMILY).c \
src/init_$(CHIP_FAMILY).c \
src/startup_$(CHIP_FAMILY).c \
src/usart_sam_ba.c \
src/screen.c \
src/images.c \
src/utils.c
SOURCES = $(COMMON_SRC) \
src/cdc_enumerate.c \
src/fat.c \
src/main.c \
src/msc.c \
src/sam_ba_monitor.c \
src/uart_driver.c \
src/hid.c \
SELF_SOURCES = $(COMMON_SRC) \
src/selfmain.c
OBJECTS = $(patsubst src/%.c,$(BUILD_PATH)/%.o,$(SOURCES))
SELF_OBJECTS = $(patsubst src/%.c,$(BUILD_PATH)/%.o,$(SELF_SOURCES)) $(BUILD_PATH)/selfdata.o
NAME=bootloader-$(BOARD)-$(UF2_VERSION_BASE)
EXECUTABLE=$(BUILD_PATH)/$(NAME).bin
SELF_EXECUTABLE=$(BUILD_PATH)/update-$(NAME).uf2
SELF_EXECUTABLE_INO=$(BUILD_PATH)/update-$(NAME).ino
SUBMODULES = lib/uf2/README.md
all: $(SUBMODULES) dirs $(EXECUTABLE) $(SELF_EXECUTABLE)
r: run
b: burn
l: logs
burn: all
node scripts/dbgtool.js fuses
node scripts/dbgtool.js $(BUILD_PATH)/$(NAME).bin
run: burn wait logs
# This currently only works on macOS with a BMP debugger attached.
# It's meant to flash the bootloader in a loop.
BMP = $(shell ls -1 /dev/cu.usbmodem* | head -1)
BMP_ARGS = --nx -ex "set mem inaccessible-by-default off" -ex "set confirm off" -ex "target extended-remote $(BMP)" -ex "mon tpwr enable" -ex "mon swdp_scan" -ex "attach 1"
GDB = arm-none-eabi-gdb
bmp-flash: $(BUILD_PATH)/$(NAME).bin
@test "X$(BMP)" != "X"
$(GDB) $(BMP_ARGS) -ex "load" -ex "quit" $(BUILD_PATH)/$(NAME).elf | tee build/flash.log
@grep -q "Transfer rate" build/flash.log
bmp-flashone:
while : ; do $(MAKE) bmp-flash && exit 0 ; sleep 1 ; done
afplay /System/Library/PrivateFrameworks/ScreenReader.framework/Versions/A/Resources/Sounds/Error.aiff
bmp-loop:
while : ; do $(MAKE) bmp-flashone ; sleep 5 ; done
bmp-gdb: $(BUILD_PATH)/$(NAME).bin
$(GDB) $(BMP_ARGS) $(BUILD_PATH)/$(NAME).elf
$(BUILD_PATH)/flash.jlink: $(BUILD_PATH)/$(NAME).bin
echo " \n\
r \n\
h \n\
loadbin \"$(BUILD_PATH)/$(NAME).bin\", 0x0 \n\
verifybin \"$(BUILD_PATH)/$(NAME).bin\", 0x0 \n\
r \n\
qc \n\
" > $(BUILD_PATH)/flash.jlink
jlink-flash: $(BUILD_PATH)/$(NAME).bin $(BUILD_PATH)/flash.jlink
jlinkexe -if swd -device AT$(CHIP_VARIANT) -speed 4000 -CommanderScript $(BUILD_PATH)/flash.jlink
wait:
sleep 5
logs:
node scripts/dbgtool.js $(BUILD_PATH)/$(NAME).map
selflogs:
node scripts/dbgtool.js $(BUILD_PATH)/update-$(NAME).map
dirs:
@echo "Building $(BOARD)"
-@mkdir -p $(BUILD_PATH)
$(EXECUTABLE): $(OBJECTS)
$(CC) -L$(BUILD_PATH) $(LDFLAGS) \
-T$(LINKER_SCRIPT) \
-Wl,-Map,$(BUILD_PATH)/$(NAME).map -o $(BUILD_PATH)/$(NAME).elf $(OBJECTS)
arm-none-eabi-objcopy -O binary $(BUILD_PATH)/$(NAME).elf $@
@echo
-@arm-none-eabi-size $(BUILD_PATH)/$(NAME).elf | awk '{ s=$$1+$$2; print } END { print ""; print "Space left: " ($(BOOTLOADER_SIZE)-s) }'
@echo
$(BUILD_PATH)/uf2_version.h: Makefile
echo "#define UF2_VERSION_BASE \"$(UF2_VERSION_BASE)\""> $@
$(SELF_EXECUTABLE): $(SELF_OBJECTS)
$(CC) -L$(BUILD_PATH) $(LDFLAGS) \
-T$(SELF_LINKER_SCRIPT) \
-Wl,-Map,$(BUILD_PATH)/update-$(NAME).map -o $(BUILD_PATH)/update-$(NAME).elf $(SELF_OBJECTS)
arm-none-eabi-objcopy -O binary $(BUILD_PATH)/update-$(NAME).elf $(BUILD_PATH)/update-$(NAME).bin
python2 lib/uf2/utils/uf2conv.py -b $(BOOTLOADER_SIZE) -c -o $@ $(BUILD_PATH)/update-$(NAME).bin
$(BUILD_PATH)/%.o: src/%.c $(wildcard inc/*.h boards/*/*.h) $(BUILD_PATH)/uf2_version.h
echo "$<"
$(CC) $(CFLAGS) $(BLD_EXTA_FLAGS) $(INCLUDES) $< -o $@
$(BUILD_PATH)/%.o: $(BUILD_PATH)/%.c
$(CC) $(CFLAGS) $(BLD_EXTA_FLAGS) $(INCLUDES) $< -o $@
$(BUILD_PATH)/selfdata.c: $(EXECUTABLE) scripts/gendata.py src/sketch.cpp
python2 scripts/gendata.py $(BOOTLOADER_SIZE) $(EXECUTABLE)
clean:
rm -rf build
gdb:
arm-none-eabi-gdb $(BUILD_PATH)/$(NAME).elf
tui:
arm-none-eabi-gdb -tui $(BUILD_PATH)/$(NAME).elf
%.asmdump: %.o
arm-none-eabi-objdump -d $< > $@
applet0: $(BUILD_PATH)/flash.asmdump
node scripts/genapplet.js $< flash_write
applet1: $(BUILD_PATH)/utils.asmdump
node scripts/genapplet.js $< resetIntoApp
drop-board: all
@echo "*** Copy files for $(BOARD)"
mkdir -p build/drop
rm -rf build/drop/$(BOARD)
mkdir -p build/drop/$(BOARD)
cp $(SELF_EXECUTABLE) build/drop/$(BOARD)/
cp $(EXECUTABLE) build/drop/$(BOARD)/
# .ino works only for SAMD21 right now; suppress for SAMD51
ifeq ($(CHIP_FAMILY),samd21)
cp $(SELF_EXECUTABLE_INO) build/drop/$(BOARD)/
cp boards/$(BOARD)/board_config.h build/drop/$(BOARD)/
endif
drop-pkg:
mv build/drop build/uf2-samd21-$(UF2_VERSION_BASE)
cp bin-README.md build/uf2-samd21-$(UF2_VERSION_BASE)/README.md
cd build; 7z a uf2-samd21-$(UF2_VERSION_BASE).zip uf2-samd21-$(UF2_VERSION_BASE)
rm -rf build/uf2-samd21-$(UF2_VERSION_BASE)
all-boards:
for f in `cd boards; ls` ; do "$(MAKE)" BOARD=$$f drop-board || break -1; done
drop: all-boards drop-pkg
$(SUBMODULES):
git submodule update --init --recursive