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/apps/shell/src/main.rs

@@ -5,6 +5,7 @@
 //! then waits for it (Ctrl+C kills it) and takes the storage back.
 
 #![no_std]
+#![forbid(unsafe_code)]
 #![no_main]
 
 extern crate libkos;
@@ -35,7 +36,7 @@ const MAX_MANIFEST: usize = 512;
 const PROGRAM: Limits = Limits { pages: 128, endpoints: 1, notifications: 1, regions: 1 };
 const MAX_ARGS: usize = 16;
 /// Where storage's buffer is mapped.
-const STORAGE_BUF_VA: usize = 0x0180_0000;
+const STORAGE_BUF_VA: types::address::VirtualAddress = types::address::VirtualAddress::from_raw(0x0180_0000);
 
 /// The current directory, as a path on disk: no leading or trailing `/`.
 struct Cwd {
@@ -227,8 +228,9 @@ impl core::fmt::Display for Joined<'_> {
     }
 }
 
-#[unsafe(no_mangle)]
-extern "C" fn main() {
+libkos::entry!(main);
+
+fn main() {
     // Everything this shell prints goes to the terminal.
     libkos::start::set_log(Some(TERMINAL));
     let Ok(done) = syscall::create_notification() else {