Virtual memory api

src/lib.rs

@@ -4,6 +4,7 @@ mod general;
 mod pages;
 mod stack;
 mod typed;
+pub mod virtual_memory;
 
 pub fn panicOOM() -> ! {
     panic!("Out of memory");

src/virtual_memory.rs

@@ -0,0 +1,18 @@
+use std::ptr::{NonNull, null};
+
+pub unsafe trait VirtualMemoryApi: Sized + Drop {
+    type Reservation: Reservation;
+
+    fn getPageSize(&self) -> usize;
+
+    fn reserveMemory(
+        &mut self,
+        extend: Option<&Self::Reservation>,
+        pagesCount: usize,
+    ) -> Self::Reservation;
+}
+
+pub unsafe trait Reservation: Sized + Ord + Drop {
+    fn commitPages(&mut self, indexOfFirst: usize, count: usize) -> *mut [u8];
+    fn decommitPages(&mut self, indexOfFirst: usize, count: usize);
+}