1 files changed, 18 insertions, 0 deletions

diff --git a/io/event.h b/io/event.h
new file mode 100644
index 0000000..02f3fab
--- /dev/null
+++ b/io/event.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <map>
+
+#include "isa/isa.h"
+
+struct event {
+    ctlreg reg;
+    unsigned int mask;
+    unsigned int value;
+    event(ctlreg reg, unsigned int value, unsigned int mask=~0)
+        : reg(reg)
+        , mask(mask)
+        , value(value)
+    { }
+};
+
+typedef std::multimap<std::uint64_t, event> event_log;