refactor: unsafe only in adapter + libkos; forbid(unsafe_code) everywhere else; libkos Window (volatile, bounds-checked MMIO/DMA/shared mem), entry!, thread::spawn; MapRegion returns pages; kernel const-built (with_cores/install_platform); newtype addrs

crates/bins/input-qemu/src/main.rs

@@ -1,4 +1,5 @@
 #![no_std]
+#![forbid(unsafe_code)]
 #![no_main]
 
 extern crate libkos;
@@ -7,8 +8,9 @@ use libkos::device::{self, KIND_UART_16550, KIND_VIRTIO};
 use port_input_device::InputDevice;
 use types::bounded::CapSlot;
 
-#[unsafe(no_mangle)]
-extern "C" fn main() {
+libkos::entry!(main);
+
+fn main() {
     let ep = CapSlot::new(0).unwrap();
     // Init hands over the keyboard (virtio) or, failing that, the UART.
     let dev = device::receive_device(ep);