feat: devices via caps (BootInfo, init assigns devices, drivers map MMIO/DMA themselves, IRQ-driven input); drop boot device wiring and info pages; headless display fallback

crates/server-framework/src/server/mod.rs

@@ -14,10 +14,14 @@ pub trait Server {
 
     fn handle(&mut self, request: Self::Request) -> Self::Response;
 
+    /// A notification bound to the serving thread fired (typically the
+    /// server's device interrupt). `bits` are the signalled bits.
+    fn signal(&mut self, _bits: usize) {}
+
     /// Serves `endpoint` until receiving on it fails (it was destroyed or
     /// the capability revoked), then returns why. Every `Call` gets a
     /// reply, `[MALFORMED, ..]` if it does not decode; a one-way `Send` is
-    /// handled without one; notification signals are ignored.
+    /// handled without one; notification signals go to `signal`.
     fn run(&mut self, endpoint: CapSlot) -> libkos::syscall::Error {
         use libkos::syscall::{Received, receive_msg, reply_recv};
         let mut next = receive_msg(endpoint);
@@ -40,7 +44,10 @@ pub trait Server {
                     }
                     receive_msg(endpoint)
                 }
-                Received::Signal { .. } => receive_msg(endpoint),
+                Received::Signal { bits } => {
+                    self.signal(bits);
+                    receive_msg(endpoint)
+                }
             };
         }
     }