2022-09-14 21:54:59 -05:00
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#TODO make the makefile use targets instead of this mess
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2022-09-14 16:50:44 -05:00
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all:
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nasm boot.nasm -o boot.bin
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nasm -f elf32 -o entry.o entry.nasm
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2022-09-14 21:54:59 -05:00
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nasm -f elf32 -o handler.o handler.nasm
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nasm -f elf32 -o v86.o v86.nasm
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clang -target "i686-elf" -ffreestanding -m32 -O2 -march=pentium-m -fno-stack-protector -nostdlib -c kernel.c
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clang -target "i686-elf" -ffreestanding -m32 -O2 -mgeneral-regs-only -march=pentium-m -fno-stack-protector -nostdlib -c print.c
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# not sure why but if interrupt.c has any optimization everything just breaks immediately
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clang -target "i686-elf" -ffreestanding -m32 -mgeneral-regs-only -march=pentium-m -fno-stack-protector -nostdlib -c interrupt.c
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#clang -target "i686-elf" -ffreestanding -m32 -mgeneral-regs-only -march=i386 -fno-stack-protector -nostdlib -c -o kernel.o kernel.c
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gcc -Tlink.ld -m32 -ffreestanding -nostartfiles -nostdlib -o kernel.bin entry.o v86.o handler.o kernel.o print.o interrupt.o
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2022-09-14 16:50:44 -05:00
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dd bs=256 count=1 conv=notrunc if=boot.bin of=virtdisk.bin
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dd bs=512 seek=1 conv=notrunc if=kernel.bin of=virtdisk.bin
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virtdisk:
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dd bs=1M count=32 if=/dev/zero of=virtdisk.bin
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echo -n -e '\x55\xaa' | dd bs=1 seek=510 conv=notrunc of=virtdisk.bin
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