wrote a basic bootloader

2025-02-25 01:14:52 +00:00
commit 012b0454ed
36 changed files with 1667 additions and 0 deletions
@@ -0,0 +1,23 @@
+#!/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)"