116 lines
4.2 KiB
Makefile
116 lines
4.2 KiB
Makefile
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OPENCM3_DIR ?= libopencm3
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CMSIS_DIR ?= cmsis
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MSPDEBUG_DIR ?= mspdebug
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LIBSODIUM_DIR ?= libsodium
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TINYAES_DIR ?= tinyaes
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MUSL_DIR ?= musl
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C_SOURCES := src/main.c src/mspdebug_wrapper.c src/spi_flash.c
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C_SOURCES += $(MSPDEBUG_DIR)/drivers/jtaglib.c
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C_SOURCES += $(CMSIS_DIR)/CMSIS/DSP/Source/TransformFunctions/arm_rfft_f32.c
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C_SOURCES += $(CMSIS_DIR)/CMSIS/DSP/Source/TransformFunctions/arm_bitreversal.c
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C_SOURCES += $(CMSIS_DIR)/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_f32.c
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C_SOURCES += $(MUSL_DIR)/src/math/tanhf.c $(MUSL_DIR)/src/math/atanhf.c
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CXX_SOURCES += src/ldpc_wrapper.cpp
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BUILDDIR ?= build
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BINARY := safetyreset
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LDSCRIPT := stm32f407.ld
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OPENCM3_LIB := opencm3_stm32f4
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PREFIX ?= arm-none-eabi-
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CC := $(PREFIX)gcc
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CXX := $(PREFIX)g++
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LD := $(PREFIX)gcc
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AR := $(PREFIX)ar
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AS := $(PREFIX)as
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OBJCOPY := $(PREFIX)objcopy
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OBJDUMP := $(PREFIX)objdump
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GDB := $(PREFIX)gdb
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OPENCM3_DIR_ABS := $(abspath $(OPENCM3_DIR))
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CMSIS_DIR_ABS := $(abspath $(CMSIS_DIR))
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MSPDEBUG_DIR_ABS := $(abspath $(MSPDEBUG_DIR))
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LIBSODIUM_DIR_ABS := $(abspath $(LIBSODIUM_DIR))
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TINYAES_DIR_ABS := $(abspath $(TINYAES_DIR))
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MUSL_DIR_ABS := $(abspath $(MUSL_DIR))
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CFLAGS += -I$(OPENCM3_DIR_ABS)/include -Imspdebug/util -Imspdebug/drivers
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CFLAGS += -I$(CMSIS_DIR_ABS)/CMSIS/DSP/Include -I$(CMSIS_DIR_ABS)/CMSIS/Core/Include
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CFLAGS += -Os -std=gnu11 -g -DSTM32F4
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# Note: libopencm3 requires some standard libc definitions from stdint.h and stdbool.h, so we don't pass -nostdinc here.
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CFLAGS += -nostdlib -ffreestanding
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CFLAGS += -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
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CFLAGS += -fno-common -ffunction-sections -fdata-sections
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CFLAGS += -I$(MUSL_DIR_ABS)/src/internal -I$(MUSL_DIR_ABS)/include -I$(BUILDDIR)/musl/obj/include -I$(MUSL_DIR_ABS)/arch/arm -I$(MUSL_DIR_ABS)/arch/generic
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INT_CFLAGS += -Wextra -Wshadow -Wimplicit-function-declaration -Wundef
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INT_CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
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CXXFLAGS += -Os -g
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CXXFLAGS += -nostdlib -ffreestanding
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CXXFLAGS += -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
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CXXFLAGS += -fno-common -ffunction-sections -fdata-sections
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CXXFLAGS += -Wextra -Wshadow -Wundef -Wredundant-decls
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CXXFLAGS += -I.
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LDFLAGS += --static -nostartfiles
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LDFLAGS += -T$(LDSCRIPT)
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LDFLAGS += -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g
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LDFLAGS += -Wl,--cre
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#LDFLAGS += -Wl,--gc-sections
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LDFLAGS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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LDFLAGS += -L$(OPENCM3_DIR_ABS)/lib -l$(OPENCM3_LIB) $(shell $(CC) -print-libgcc-file-name)
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all: $(BUILDDIR)/$(BINARY).elf
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OBJS := $(addprefix $(BUILDDIR)/,$(C_SOURCES:.c=.o) $(CXX_SOURCES:.cpp=.o))
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$(BUILDDIR)/%.elf: $(OBJS) $(LDSCRIPT) $(OPENCM3_DIR)/lib/lib$(OPENCM3_LIB).a $(BUILDDIR)/libsodium/src/libsodium/.libs/libsodium.a $(BUILDDIR)/tinyaes/aes.o
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$(LD) $(OBJS) $(LDFLAGS) -o $@ -Wl,-Map=$(BUILDDIR)/src/$*.map $(BUILDDIR)/libsodium/src/libsodium/.libs/libsodium.a $(BUILDDIR)/tinyaes/aes.o
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$(BUILDDIR)/src/%.o: src/%.c
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mkdir -p $(@D)
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$(CC) $(CFLAGS) $(INT_CFLAGS) -o $@ -c $<
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$(BUILDDIR)/src/%.o: src/%.cpp
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mkdir -p $(@D)
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$(CXX) $(CXXFLAGS) -o $@ -c $<
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$(BUILDDIR)/%.o: %.c
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mkdir -p $(@D)
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$(CC) $(CFLAGS) $(EXT_CFLAGS) -o $@ -c $<
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$(OPENCM3_DIR)/lib/lib$(OPENCM3_LIB).a:
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$(MAKE) -C $(OPENCM3_DIR) -j $(shell nproc)
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$(BUILDDIR)/libsodium/src/libsodium/.libs/libsodium.a:
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mkdir -p $(BUILDDIR)/libsodium
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cd $(BUILDDIR)/libsodium && CFLAGS="$(CFLAGS) -DDEV_MODE=1" $(LIBSODIUM_DIR_ABS)/configure --host=arm-none-eabi && $(MAKE) -j $(shell nproc)
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$(BUILDDIR)/musl/obj/include/bits/alltypes.h:
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mkdir -p $(BUILDDIR)/musl
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cd $(BUILDDIR)/musl && CFLAGS="$(CFLAGS)" CC=$(CC) LD=$(LD) AR=$(AR) $(MUSL_DIR_ABS)/configure && $(MAKE) TARGET=arm-linux-musleabihf GCC_CONFIG="--with-arch=armv7-m --with-fpu=fpv4_sp_d16" -j $(shell nproc) obj/include/bits/alltypes.h
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$(BUILDDIR)/$(MUSL_DIR)/src/math/tanhf.o $(BUILDDIR)/$(MUSL_DIR)/src/math/atanhf.o: $(BUILDDIR)/musl/obj/include/bits/alltypes.h
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$(BUILDDIR)/tinyaes/aes.o:
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mkdir -p $(@D)
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make -C $(@D) -f $(TINYAES_DIR_ABS)/Makefile VPATH=$(TINYAES_DIR_ABS) CFLAGS="$(CFLAGS) -c" CC=$(CC) LD=$(LD) AR=$(AR) aes.o
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clean:
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-rm -r $(BUILDDIR)/src
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-rm $(BUILDDIR)/$(BINARY).elf
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mrproper: clean
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-rm -r build
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-$(MAKE) -C $(OPENCM3_DIR) clean
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.PHONY: clean mrproper
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-include $(OBJS:.o=.d)
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