From 3025da0bf1243cd387b027a52862d76d327cfb6b Mon Sep 17 00:00:00 2001
From: Wei Song <wsong83@gmail.com>
Date: Thu, 27 Jun 2024 11:42:18 +0800
Subject: [PATCH] add an upper limit check for inner coherent client

---
 cache/coherence.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cache/coherence.hpp b/cache/coherence.hpp
index b10777a..a5fa171 100644
--- a/cache/coherence.hpp
+++ b/cache/coherence.hpp
@@ -67,6 +67,8 @@ class InnerCohPortBase
       return std::make_pair(-1, policy);
     } else {
       coh.push_back(c);
+      assert(coh.size() <= 64 || 0 ==
+             "Only 64 coherent inner caches are supported for now as the directory in class MetadataDirectoryBase is implemented as a 64-bit  bitmap.");
       return std::make_pair(coh.size()-1, policy);
     }
   }