1 files changed, 3 insertions, 0 deletions
diff --git a/src/core.rs b/src/core.rs
index 118386e..9153e9e 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -20,6 +20,8 @@ pub struct Core {
     pub(crate) pc: u64,
     pub(crate) mem: MemConfig,
     command_stream: crossbeam::channel::Receiver<CoreCmd>,
+    // LR/SC reservation set. Pair of the RAM version block index and expected version.
+    pub(crate) reservation: Option<(usize, u32)>,
 }
 
 pub mod commands;
@@ -31,6 +33,7 @@ impl Core {
             pc: 0,
             mem,
             command_stream,
+            reservation: None,
         }
     }