mirror of
https://github.com/isometimes/rpi4-osdev
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34 lines
1.3 KiB
Makefile
34 lines
1.3 KiB
Makefile
CFILES = $(wildcard *.c lib/*.c)
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OFILES = $(CFILES:.c=.o)
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LLVMPATH = /opt/homebrew/opt/llvm/bin
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CLANGFLAGS = -Wall -O2 -ffreestanding -nostdinc -nostdlib -mcpu=cortex-a72+nosimd
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all: clean kernel8.img
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boot/boot.o: boot/boot.S
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$(LLVMPATH)/clang --target=aarch64-elf $(CLANGFLAGS) -c $< -o $@
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bin/wgt1pal.o: bin/wgt1.pal
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$(LLVMPATH)/llvm-objcopy -I binary -O elf64-littleaarch64 -B aarch64 $< $@
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bin/wgt1blk.o: bin/wgt1.blk
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$(LLVMPATH)/llvm-objcopy -I binary -O elf64-littleaarch64 -B aarch64 $< $@
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bin/wgt2blk.o: bin/wgt2.blk
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$(LLVMPATH)/llvm-objcopy -I binary -O elf64-littleaarch64 -B aarch64 $< $@
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bin/lettersspr.o: bin/letters.spr
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$(LLVMPATH)/llvm-objcopy -I binary -O elf64-littleaarch64 -B aarch64 $< $@
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bin/spacespr.o: bin/space.spr
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$(LLVMPATH)/llvm-objcopy -I binary -O elf64-littleaarch64 -B aarch64 $< $@
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%.o: %.c
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$(LLVMPATH)/clang --target=aarch64-elf $(CLANGFLAGS) -c $< -o $@
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kernel8.img: boot/boot.o $(OFILES) bin/wgt1pal.o bin/wgt1blk.o bin/wgt2blk.o bin/lettersspr.o bin/spacespr.o
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$(LLVMPATH)/ld.lld -m aarch64elf -nostdlib boot/boot.o $(OFILES) bin/wgt1pal.o bin/wgt1blk.o bin/wgt2blk.o bin/lettersspr.o bin/spacespr.o -T boot/link.ld -o kernel8.elf
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$(LLVMPATH)/llvm-objcopy -O binary kernel8.elf kernel8.img
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clean:
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/bin/rm kernel8.elf *.o bin/*.o boot/*.o lib/*.o *.img > /dev/null 2> /dev/null || true
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