Move shared_bus into arbiter

1 files changed, 14 insertions, 0 deletions

diff --git a/infra/arbiter.h b/infra/arbiter.h
index 74e37be..79a9920 100644
--- a/infra/arbiter.h
+++ b/infra/arbiter.h
@@ -38,4 +38,18 @@ namespace infra {
                     initial = 0;
         }
     };
+
+    template<typename T, unsigned int peers> struct shared_bus : public sim {
+        std::array<port<T>, peers> peerp;
+        port<T> *outp = nullptr;
+
+        void clock() {
+            for (unsigned int i = 0; i < peers; ++i) {
+                if (peerp[i].can_read()) {
+                    assert(outp->can_write());
+                    outp->write(peerp[i].read());
+                }
+            }
+        }
+    };
 }