Start working on updating global data structures

1 files changed, 6 insertions, 1 deletions

diff --git a/src/shareable_cache.rs b/src/shareable_cache.rs
index 9e0725a..6ee17c3 100644
--- a/src/shareable_cache.rs
+++ b/src/shareable_cache.rs
@@ -52,7 +52,7 @@ impl<'a> ShareableCache<'a> {
         if cache.borrow().is_address_accessible(address) {
             // Depends on invariant: write_word completes instantly
             // when the address is accessible (in-cache)
-            cache.borrow_mut().write_word(address, value);
+            let _ = cache.borrow_mut().write_word(address, value);
         }
     }
 }
@@ -76,6 +76,11 @@ impl<'a> MemoryInterface for ShareableCache<'a> {
     }
 
     fn read_word(&mut self, address: isa::Address) -> Result<isa::Word> {
+        // TODO: disallow access to high or low memory unless
+        // secondary cache is enabled. Remember: addresses are already
+        // translated
+
+        // TODO: is CacheRacer physically or virtually addressed?
         if self.secondary_enabled {
             let (primary_accessible, secondary_accessible) =
                 self.address_accessible(address);