1 files changed, 4 insertions, 3 deletions

diff --git a/io/event.h b/io/event.h
index 02f3fab..2da3323 100644
--- a/io/event.h
+++ b/io/event.h
@@ -1,14 +1,15 @@
 #pragma once
 
+#include <cstdint>
 #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)
+    std::uint_fast32_t mask;
+    std::uint_fast32_t value;
+    event(ctlreg reg, std::uint_fast32_t value, std::uint_fast32_t mask=~0)
         : reg(reg)
         , mask(mask)
         , value(value)