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Makefile
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Makefile
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TRIPLET = riscv32-unknown-elf
CC = $(TRIPLET)-gcc
CFLAGS = -IbareOS/include -O2 -fno-builtin -march=rv32i -nostdinc -mbranch-cost=7
AS = $(TRIPLET)-as
ASFLAGS = -march=rv32i
CPP = $(TRIPLET)-g++
CCFLAGS = $(CFLAGS)
LD = $(TRIPLET)-gcc
LDFLAGS = -nostdlib -march=rv32i -Triscv.ld
OBJCOPY = $(TRIPLET)-objcopy
OBJDUMP = $(TRIPLET)-objdump
PROGNAME = helloworld dummy test_hanoi
BIN_FILES = $(addsuffix .bin, $(PROGNAME))
LST_FILES = $(addsuffix .lst, $(PROGNAME))
BARE_OS = bareOS/crt0.o \
bareOS/arch.o \
bareOS/libos.o \
bareOS/malloc.o \
bareOS/softmul.o
all : $(BIN_FILES) $(LST_FILES)
%.bin : %.elf
$(OBJCOPY) -O binary $< $@
%.lst : %.elf
$(OBJDUMP) -d $< > $@
%.o: %.c
$(CC) $(CFLAGS) -o $@ -c $<
%.o: %.cpp
$(CPP) $(CCFLAGS) -o $@ -c $<
%.o: %.s
$(AS) $(ASFLAGS) -o $@ $<
%.elf: $(BARE_OS) %.o
$(LD) -o $@ $+ $(LDFLAGS)
clean :
rm -f $(BIN_FILES) $(LST_FILES) $(BARE_OS) $(wildcard *~) $(wildcard *.o)