feat(memory): disallow access to high memory by defaultHEADmaster

1 files changed, 9 insertions, 3 deletions

diff --git a/src/main.rs b/src/main.rs
index a9af93e..38ab791 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -27,7 +27,7 @@ use rustv::memory;
 use rustv::simulator;
 
 use memory_tracker::MemoryTracker;
-use shareable_cache::ShareableCache;
+use shareable_cache::{AccessibleRegion, ShareableCache};
 use system::SyscallHandler;
 
 const USAGE: &'static str = "
@@ -118,9 +118,13 @@ fn main() {
     let mut cores = vec![];
     let mut core_caches = vec![];
 
+    let midpoint = isa::Word(0x4000000 / 2);
+
     for i in 0..4 {
         let core_cache = Rc::new(RefCell::new(
-            ShareableCache::new(i, cache_ref.clone(), cache2_ref.clone())));
+            ShareableCache::new(
+                i, midpoint, AccessibleRegion::Low,
+                cache_ref.clone(), cache2_ref.clone())));
         core_caches.push(core_cache.clone());
         let mut core = simulator::Core::new(
             i, start1, isa::Word(0x100000 * (i + 1) as u32), core_cache,
@@ -133,7 +137,9 @@ fn main() {
 
     for i in 4..8 {
         let core_cache = Rc::new(RefCell::new(
-            ShareableCache::new(i, cache2_ref.clone(), cache_ref.clone())));
+            ShareableCache::new(
+                i, midpoint, AccessibleRegion::High,
+                cache2_ref.clone(), cache_ref.clone())));
         core_caches.push(core_cache.clone());
         let mut core = simulator::Core::new(
             i, start2, isa::Word(0x100000 * (i + 1) as u32), core_cache,