feat(kernel): SystemControl cap for halt, board device table + boot caps to init, RegionAddress syscall, idle loop services irqs

crates/kernel/src/lib.rs

@@ -15,6 +15,7 @@
 )]
 
 pub mod abi;
+mod board;
 mod captree;
 pub mod interrupt;
 mod memory;
@@ -22,6 +23,7 @@ mod memory;
 pub mod proofs;
 pub mod syscall;
 
+pub use board::BoardDevice;
 pub use syscall::{SyscallOutcome, SyscallResult};
 
 #[cfg(test)]
@@ -388,7 +390,9 @@ impl<P: Platform> Kernel<P> {
             Resource::Memory(id) => self.regions.generation(*id),
             Resource::Notification(id) => self.notifications.generation(*id),
             Resource::Process(pid) => self.processes.generation(*pid),
-            Resource::Interrupt(_) | Resource::ProcessCreate => Some(Generation::initial()),
+            Resource::Interrupt(_) | Resource::ProcessCreate | Resource::SystemControl => {
+                Some(Generation::initial())
+            }
         }
     }