forked from PoliEcho-holding-org/kern
37 lines
1.1 KiB
Bash
37 lines
1.1 KiB
Bash
#!/bin/bash
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[[ -d ./build ]] || mkdir build
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rm -rf ./build/**
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# Bootloader
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echo "Assembling ./src/boot.asm..."
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nasm -fbin ./src/boot.asm -o ./build/boot.bin
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# Kernel
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echo "Assembling ./src/kernel/entry.asm..."
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nasm -felf32 ./src/kernel/entry.asm -o ./build/entry.o
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for file in ./src/kernel/*.c; do
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filename=$(basename "$file" .c)
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echo "Compiling $file..."
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i386-elf-gcc -ffreestanding -Wall -Wextra -m32 -c "$file" -o "./build/$filename.o"
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done
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echo "Linking kernel object files..."
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mv ./build/disk.o ./build/f_disk.o # Very temporary fix to issue with disk.o not linking or something weird
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i386-elf-ld -o ./build/kernel.bin -Ttext 0x1000 --oformat binary ./build/*.o
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# OS Image
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echo "Creating kern.iso disk image..."
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cat build/boot.bin build/kernel.bin > build/os.bin
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dd if=/dev/zero of=./kern.iso bs=512 count=2880
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dd if=./build/os.bin of=./kern.iso conv=notrunc
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dd if=./fs/test.txt of=./kern.iso bs=512 seek=21 conv=notrunc # We skip 21 (10.5kB) because that's the bootloader (0.5kB) and kernel (10kB)
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echo -e "\nDone!\n"
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# Run QEMU
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qemu-system-x86_64 -drive format=raw,file="./kern.iso",index=0,media=disk -m 256M -accel tcg
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