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|
PROJ_NAME=atomic
RISCV_PATH=/opt/riscv/
CFLAGS += -march=rv32ia -mabi=ilp32
RISCV_NAME = riscv64-unknown-elf
RISCV_OBJCOPY = $(RISCV_PATH)/bin/$(RISCV_NAME)-objcopy
RISCV_OBJDUMP = $(RISCV_PATH)/bin/$(RISCV_NAME)-objdump
RISCV_CLIB=$(RISCV_PATH)$(RISCV_NAME)/lib/
RISCV_CC=$(RISCV_PATH)/bin/$(RISCV_NAME)-gcc
LDSCRIPT=src/ld
SRCS = $(wildcard src/*.c) \
$(wildcard src/*.cpp) \
$(wildcard src/*.S)
CFLAGS += -static
LDFLAGS += -e_start -T $(LDSCRIPT) -nostartfiles -Wl,-Map,$(OBJDIR)/$(PROJ_NAME).map -Wl,--print-memory-usage
OBJDIR = build
OBJS := $(SRCS)
OBJS := $(OBJS:.c=.o)
OBJS := $(OBJS:.cpp=.o)
OBJS := $(OBJS:.S=.o)
OBJS := $(addprefix $(OBJDIR)/,$(OBJS))
all: $(OBJDIR)/$(PROJ_NAME).elf $(OBJDIR)/$(PROJ_NAME).hex $(OBJDIR)/$(PROJ_NAME).asm $(OBJDIR)/$(PROJ_NAME).v
@echo "done"
$(OBJDIR)/%.elf: $(OBJS) | $(OBJDIR)
$(RISCV_CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
%.hex: %.elf
$(RISCV_OBJCOPY) -O ihex $^ $@
%.bin: %.elf
$(RISCV_OBJCOPY) -O binary $^ $@
%.v: %.elf
$(RISCV_OBJCOPY) -O verilog $^ $@
%.asm: %.elf
$(RISCV_OBJDUMP) -S -d $^ > $@
$(OBJDIR)/%.o: %.c
mkdir -p $(dir $@)
$(RISCV_CC) -c $(CFLAGS) $(INC) -o $@ $^
$(OBJDIR)/%.o: %.cpp
mkdir -p $(dir $@)
$(RISCV_CC) -c $(CFLAGS) $(INC) -o $@ $^
$(OBJDIR)/%.o: %.S
mkdir -p $(dir $@)
$(RISCV_CC) -c $(CFLAGS) -o $@ $^ -D__ASSEMBLY__=1
$(OBJDIR):
mkdir -p $@
clean:
rm -f $(OBJDIR)/$(PROJ_NAME).elf
rm -f $(OBJDIR)/$(PROJ_NAME).hex
rm -f $(OBJDIR)/$(PROJ_NAME).map
rm -f $(OBJDIR)/$(PROJ_NAME).v
rm -f $(OBJDIR)/$(PROJ_NAME).asm
find $(OBJDIR) -type f -name '*.o' -print0 | xargs -0 -r rm
.SECONDARY: $(OBJS)
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