2024-06-01 21:14:04 +00:00
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PROJ_NAME=hello_world
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DEBUG=no
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BENCH=no
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MULDIV=no
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SRCS = $(wildcard src/*.c) \
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$(wildcard src/*.cpp) \
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2024-07-03 16:14:36 +00:00
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$(wildcard src/*.S) \
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src/stub_stdlib.c
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2024-06-01 21:14:04 +00:00
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OBJDIR = build
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INC =
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LIBS =
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LIBSINC = -L$(OBJDIR)
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LDSCRIPT = ./src/linker.ld
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#include ../../../resources/gcc.mk
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# Set it to yes if you are using the sifive precompiled GCC pack
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SIFIVE_GCC_PACK ?= yes
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ifeq ($(SIFIVE_GCC_PACK),yes)
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RISCV_NAME ?= riscv32-unknown-elf
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RISCV_PATH ?= /home/user/riscv/opt/rv32im/
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else
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RISCV_NAME ?= riscv32-unknown-elf
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ifeq ($(MULDIV),yes)
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RISCV_PATH ?= /opt/riscv32im/
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else
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RISCV_PATH ?= /opt/riscv32i/
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endif
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endif
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MABI=ilp32
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MARCH := rv32i_zicsr
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ifeq ($(MULDIV),yes)
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MARCH := $(MARCH)m
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endif
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ifeq ($(COMPRESSED),yes)
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MARCH := $(MARCH)ac
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endif
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2024-07-03 16:14:36 +00:00
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CFLAGS += -march=$(MARCH) -mabi=$(MABI) -DNDEBUG -std=c++11 -fno-pic -ffreestanding
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LDFLAGS += -march=$(MARCH) -mabi=$(MABI) -lc -lgcc -nostdlib -nostartfiles -nostartfiles
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2024-06-01 21:14:04 +00:00
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#include ../../../resources/subproject.mk
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ifeq ($(DEBUG),yes)
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CFLAGS += -g3 -O0
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endif
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ifeq ($(DEBUG),no)
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CFLAGS += -g -Os
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endif
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ifeq ($(BENCH),yes)
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CFLAGS += -fno-inline
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endif
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ifeq ($(SIFIVE_GCC_PACK),yes)
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RISCV_CLIB=$(RISCV_PATH)/$(RISCV_NAME)/lib/$(MARCH)/$(MABI)/
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else
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RISCV_CLIB=$(RISCV_PATH)/$(RISCV_NAME)/lib/
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endif
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RISCV_OBJCOPY = $(RISCV_PATH)/bin/$(RISCV_NAME)-objcopy
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RISCV_OBJDUMP = $(RISCV_PATH)/bin/$(RISCV_NAME)-objdump
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RISCV_CC=$(RISCV_PATH)/bin/$(RISCV_NAME)-g++
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CFLAGS += -MD -fstrict-volatile-bitfields -fno-strict-aliasing
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LDFLAGS += -nostdlib -lgcc -mcmodel=medany -nostartfiles -ffreestanding -Wl,-Bstatic,-T,$(LDSCRIPT),-Map,$(OBJDIR)/$(PROJ_NAME).map,--print-memory-usage
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#LDFLAGS += -lgcc -lc -lg -nostdlib -lgcc -msave-restore --strip-debug,
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OBJS := $(SRCS)
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OBJS := $(OBJS:.c=.o)
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OBJS := $(OBJS:.cpp=.o)
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OBJS := $(OBJS:.S=.o)
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OBJS := $(OBJS:..=miaou)
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OBJS := $(addprefix $(OBJDIR)/,$(OBJS))
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all: $(OBJDIR)/$(PROJ_NAME).elf $(OBJDIR)/$(PROJ_NAME).hex $(OBJDIR)/$(PROJ_NAME).asm $(OBJDIR)/$(PROJ_NAME).v
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$(OBJDIR)/%.elf: $(OBJS) | $(OBJDIR)
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$(RISCV_CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LIBSINC) $(LIBS)
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%.hex: %.elf
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$(RISCV_OBJCOPY) -O ihex $^ $@
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%.bin: %.elf
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$(RISCV_OBJCOPY) -O binary $^ $@
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%.v: %.elf
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$(RISCV_OBJCOPY) -O verilog $^ $@
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%.asm: %.elf
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$(RISCV_OBJDUMP) -S -d $^ > $@
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$(OBJDIR)/%.o: %.c
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mkdir -p $(dir $@)
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$(RISCV_CC) -c $(CFLAGS) $(INC) -o $@ $^
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$(RISCV_CC) -S $(CFLAGS) $(INC) -o $@.disasm $^
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$(OBJDIR)/%.o: %.cpp
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mkdir -p $(dir $@)
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$(RISCV_CC) -c $(CFLAGS) $(INC) -o $@ $^
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$(OBJDIR)/%.o: %.S
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mkdir -p $(dir $@)
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$(RISCV_CC) -c $(CFLAGS) -o $@ $^ -D__ASSEMBLY__=1
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$(OBJDIR):
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mkdir -p $@
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.PHONY: clean
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clean:
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rm -rf $(OBJDIR)/src
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rm -f $(OBJDIR)/$(PROJ_NAME).elf
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rm -f $(OBJDIR)/$(PROJ_NAME).hex
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rm -f $(OBJDIR)/$(PROJ_NAME).map
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rm -f $(OBJDIR)/$(PROJ_NAME).v
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rm -f $(OBJDIR)/$(PROJ_NAME).asm
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find $(OBJDIR) -type f -name '*.o' -print0 | xargs -0 -r rm
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find $(OBJDIR) -type f -name '*.d' -print0 | xargs -0 -r rm
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clean-all : clean
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.SECONDARY: $(OBJS)
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