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- BOARD ?= icebreaker
- CROSS ?= riscv-none-embed-
- CC = $(CROSS)gcc
- OBJCOPY = $(CROSS)objcopy
- ICEPROG = iceprog
- BOARD_DEFINE=BOARD_$(shell echo $(BOARD) | tr a-z\- A-Z_)
- CFLAGS=-Wall -Os -march=rv32i -mabi=ilp32 -ffreestanding -flto -nostartfiles -fomit-frame-pointer -Wl,--gc-section --specs=nano.specs -D$(BOARD_DEFINE)
- HEADERS_common=\
- config.h \
- console.h \
- led.h \
- mini-printf.h \
- spi.h \
- usb_hw.h \
- usb_priv.h \
- usb_proto.h \
- utils.h
- SOURCES_common=\
- start.S \
- console.c \
- led.c \
- mini-printf.c \
- spi.c \
- usb.c \
- usb_ctrl_ep0.c \
- usb_ctrl_std.c \
- utils.c
- HEADERS_app=\
- usb_str_app.gen.h
- SOURCES_app=\
- fw_app.c \
- usb_desc_app.c
- all: boot_app.hex fw_app.bin
- boot_app.elf: lnk-boot.lds boot.S
- $(CC) $(CFLAGS) -Wl,-Bstatic,-T,lnk-boot.lds,--strip-debug -DFLASH_APP_ADDR=0x000a0000 -o $@ boot.S
- fw_app.elf: lnk-app.lds $(HEADERS_app) $(SOURCES_app) $(HEADERS_common) $(SOURCES_common)
- $(CC) $(CFLAGS) -Wl,-Bstatic,-T,lnk-app.lds,--strip-debug -o $@ $(SOURCES_common) $(SOURCES_app)
- %.hex: %.bin
- ./bin2hex.py $< $@
- %.bin: %.elf
- $(OBJCOPY) -O binary $< $@
- usb_str_%.gen.h: usb_str_%.txt
- ./usb_gen_strings.py $< $@ $(BOARD)
- prog_app: fw_app.bin
- $(ICEPROG) -o 640k $<
- clean:
- rm -f *.bin *.hex *.elf *.o *.gen.h
- .PHONY: prog_app clean
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