diff --git a/build.sh b/build.sh index d39d11c..5595d9c 100644 --- a/build.sh +++ b/build.sh @@ -5,22 +5,30 @@ rm -rf ./build/** # Bootloader +echo "Assembling ./src/boot.asm..." nasm -fbin ./src/boot.asm -o ./build/boot.bin # Kernel +echo "Assembling ./src/kernel/entry.asm..." nasm -felf32 ./src/kernel/entry.asm -o ./build/entry.o for file in ./src/kernel/**.c; do filename=$(basename "$file" .c) + echo "Compiling $file..." i386-elf-gcc -ffreestanding -Wall -Wextra -m32 -c $file -o ./build/$filename.o done +echo "Linking kernel object files..." i386-elf-ld -o ./build/kernel.bin -Ttext 0x1000 --oformat binary ./build/**.o # OS Image +echo "Creating kern.iso disk image..." cat build/boot.bin build/kernel.bin > build/os.bin dd if=/dev/zero of=./kern.iso bs=512 count=2880 dd if=./build/os.bin of=./kern.iso conv=notrunc +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) + +echo -e "\nDone!\n" # Run QEMU qemu-system-x86_64 -drive format=raw,file="./kern.iso",index=0,media=disk -m 256M -accel tcg