Add controller.h, implementation and tests.

1 files changed, 35 insertions, 0 deletions

diff --git a/inc/stage.h b/inc/stage.h
new file mode 100644
index 0000000..769818c
--- /dev/null
+++ b/inc/stage.h
@@ -0,0 +1,35 @@
+#ifndef STAGE_H
+#define STAGE_H
+#include "definitions.h"
+#include "storage.h"
+#include <array>
+
+class Stage
+{
+  public:
+	virtual ~Stage() = default;
+
+  protected:
+	/**
+	 * The shared pool of general-purpose integer registers.
+	 */
+	static std::array<int, GPR_NUM> gprs;
+	/**
+	 * The address of the currently executing instruction.
+	 */
+	static int pc;
+	/**
+	 * A pointer to the next stage in the pipeline.
+	 */
+	Stage *next;
+	/**
+	 * A pointer to the top-level storage device.
+	 */
+	static Storage *storage;
+	/**
+	 * A flag indicating whether pipelining should be used.
+	 */
+	bool is_pipelined;
+};
+
+#endif /* STAGE_H_INCLUDED */