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21 lines
507 B
Makefile
21 lines
507 B
Makefile
CC = riscv64-unknown-elf-gcc
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CFLAGS = -nostdlib -fno-builtin -mcmodel=medany -march=rv32ima -mabi=ilp32
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QEMU = qemu-system-riscv32
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QFLAGS = -nographic -smp 4 -machine virt -bios none
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OBJDUMP = riscv64-unknown-elf-objdump
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all: os.elf
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os.elf: start.s sys.s lib.c timer.c task.c os.c user.c
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$(CC) $(CFLAGS) -T os.ld -o os.elf $^
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qemu: $(TARGET)
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@qemu-system-riscv32 -M ? | grep virt >/dev/null || exit
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@echo "Press Ctrl-A and then X to exit QEMU"
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$(QEMU) $(QFLAGS) -kernel os.elf
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clean:
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rm -f *.elf
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