1 files changed, 15 insertions, 0 deletions

diff --git a/memory/line.h b/memory/line.h
new file mode 100644
index 0000000..3377ec8
--- /dev/null
+++ b/memory/line.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <array>
+#include <cstdint>
+
+#include "infra/port.h"
+#include "infra/sim.h"
+
+namespace memory {
+    constexpr std::uint64_t LINE_BYTES_LOG2 = 4;
+    constexpr std::uint64_t LINE_BYTES = 1 << LINE_BYTES_LOG2;
+    constexpr std::uint64_t LINE_BYTE_OFFSET_MASK = LINE_BYTES - 1;
+
+    typedef std::array<std::uint8_t, LINE_BYTES> line;
+}