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wasmstm32webassemblymicrocontrollerarmavrspiwasiadafruitarduinocircuitplayground-expressgpioi2cllvmmicrobitnrf51nrf52nrf52840samd21tinygo
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97 lines
2.2 KiB
97 lines
2.2 KiB
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# aliases
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all: tgo
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tgo: build/tgo
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.PHONY: all tgo run-hello run-blinky flash-blinky clean
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# Custom LLVM toolchain.
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LLVM =
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LINK = $(LLVM)llvm-link
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LLC = $(LLVM)llc
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CFLAGS = -Wall -Werror -Os -g -fno-exceptions -flto -ffunction-sections -fdata-sections $(LLFLAGS)
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RUNTIME = build/runtime.bc
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ifeq ($(TARGET),pca10040)
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GCC = arm-none-eabi-gcc
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LD = arm-none-eabi-ld -T arm.ld
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OBJCOPY = arm-none-eabi-objcopy
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LLFLAGS += -target armv7m-none-eabi
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TGOFLAGS += -target $(TARGET)
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CFLAGS += -I$(CURDIR)/src/runtime
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CFLAGS += -I$(CURDIR)/lib/nrfx
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CFLAGS += -I$(CURDIR)/lib/nrfx/mdk
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CFLAGS += -I$(CURDIR)/lib/CMSIS/CMSIS/Include
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CFLAGS += -DNRF52832_XXAA
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CFLAGS += -Wno-uninitialized
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RUNTIME += build/runtime_nrf.bc
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RUNTIME += build/system_nrf52.bc
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OBJ += build/startup_nrf51.o # TODO nrf52, see https://bugs.llvm.org/show_bug.cgi?id=31601
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else
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# Regular *nix system.
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GCC = gcc
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LD = clang
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endif
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run-hello: build/hello
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./build/hello
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run-blinky: build/blinky
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./build/blinky
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flash-blinky: build/blinky.hex
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nrfjprog -f nrf52 --sectorerase --program $< --reset
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clean:
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@rm -rf build
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# Build the Go compiler.
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build/tgo: *.go
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@mkdir -p build
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go build -o build/tgo -i .
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# Build textual IR with the Go compiler.
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build/%.ll: src/examples/% src/examples/%/*.go build/tgo src/runtime/*.go
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./build/tgo $(TGOFLAGS) -printir -o $@ $(subst src/,,$<)
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# Compile C sources for the runtime.
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build/%.bc: src/runtime/%.c src/runtime/*.h
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@mkdir -p build
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clang $(CFLAGS) -c -o $@ $<
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# Compile system_* file for the nRF.
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build/%.bc: lib/nrfx/mdk/%.c
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@mkdir -p build
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clang $(CFLAGS) -c -o $@ $^
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# Compile startup_* file for the nRF.
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build/%.o: lib/nrfx/mdk/gcc_%.S
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@mkdir -p build
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clang $(CFLAGS) -c -o $@ $^
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# Merge all LLVM files together in a single bitcode file.
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build/%.bc: $(RUNTIME) build/%.ll
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$(LINK) -o $@ $^
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# Generate an ELF object file from a LLVM bitcode file.
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build/%.o: build/%.bc
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$(LLC) -filetype=obj -O2 -o $@ $^
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# Generate output ELF executable.
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build/%: build/%.o $(OBJ)
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$(LD) -o $@ $^
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# Generate output ELF for use in objcopy (on a microcontroller).
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build/%.elf: build/%.o $(OBJ)
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$(LD) -o $@ $^
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# Convert executable to Intel hex file (for flashing).
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build/%.hex: build/%.elf
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$(OBJCOPY) -O ihex $^ $@
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