#!/bin/bash
set -e

# Set root directory
cd "$(dirname "$0")/.."

# Create build directory if it doesn't exist
mkdir -p build/bios

# Assemble stage1
nasm -f elf32 boot/bios/stage1/stage1.s -o build/bios/stage1.o

# Link to binary
ld -m elf_i386 -T boot/bios/stage1/stage1.ld build/bios/stage1.o -o build/bios/stage1.bin

# Verify size
size=$(wc -c < build/bios/stage1.bin)
if [ "$size" -gt 446 ]; then
    echo "Error: stage1.bin is larger than 446 bytes ($size bytes)"
    exit 1
fi

echo "Successfully built stage1.bin ($size bytes)"