Add qemu serial output to stdio

Signed-off-by: Noah Knegt <git@noahknegt.com>

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 noah.knegt
+Copyright (c) 2025 Noah Knegt <personal@noahknegt.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 associated documentation files (the "Software"), to deal in the Software without restriction, including

src/main.rs

@@ -11,10 +11,15 @@ fn main() {
     let mut cmd = std::process::Command::new("qemu-system-x86_64");
     if uefi {
         cmd.arg("-bios").arg(ovmf_prebuilt::ovmf_pure_efi());
-        cmd.arg("-drive").arg(format!("format=raw,file={uefi_path}"));
+        cmd.arg("-drive")
+            .arg(format!("format=raw,file={uefi_path}"));
     } else {
-        cmd.arg("-drive").arg(format!("format=raw,file={bios_path}"));
+        cmd.arg("-drive")
+            .arg(format!("format=raw,file={bios_path}"));
     }
+
+    cmd.arg("-serial").arg("stdio");
+
     let mut child = cmd.spawn().unwrap();
     child.wait().unwrap();
 }