1 files changed, 38 insertions, 0 deletions
diff --git a/tb/const.hpp b/tb/const.hpp
new file mode 100644
index 0000000..4ccad3e
--- /dev/null
+++ b/tb/const.hpp
@@ -0,0 +1,38 @@
+#ifndef TALLER_CONST_HPP
+#define TALLER_CONST_HPP
+
+#include <cstdint>
+#include <memory>
+
+#include "avalon.hpp"
+
+namespace taller::avalon
+{
+	class const_map : public slave
+	{
+		public:
+			inline const_map(std::uint32_t addr, std::uint32_t value, std::uint32_t size = 4) noexcept
+			: slave(addr, size, 4),
+			  value(value)
+			{}
+
+			inline virtual bool read(std::uint32_t addr, std::uint32_t &data) final override
+			{
+				data = value;
+				return true;
+			}
+
+			inline virtual bool write
+			(
+				std::uint32_t addr, std::uint32_t data, unsigned byte_enable = 0b1111
+			) final override
+			{
+				return true;
+			}
+
+		private:
+			std::uint32_t value;
+	};
+}
+
+#endif