Model page tables

src/memory/paging/mod.rs

@@ -1,4 +1,5 @@
 mod entry;
+mod table;
 
 const ENTRY_COUNT: usize = 512;
 

src/memory/paging/table.rs

@@ -0,0 +1,29 @@
+use memory::paging::entry::*;
+use memory::paging::ENTRY_COUNT;
+use core::ops::{Index, IndexMut};
+
+pub struct Table {
+    entries: [Entry; ENTRY_COUNT],
+}
+
+impl Table {
+    pub fn zero(&mut self) {
+        for entry in self.entries.iter_mut() {
+            entry.set_unused();
+        }
+    }
+}
+
+impl Index<usize> for Table {
+    type Output = Entry;
+
+    fn index(&self, index: usize) -> &Entry {
+        &self.entries[index]
+    }
+}
+
+impl IndexMut<usize> for Table {
+    fn index_mut(&mut self, index: usize) -> &mut Entry {
+        &mut self.entries[index]
+    }
+}