diff options
Diffstat (limited to 'inc/stage.h')
| -rw-r--r-- | inc/stage.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/inc/stage.h b/inc/stage.h index 494f3d3..ac810a9 100644 --- a/inc/stage.h +++ b/inc/stage.h @@ -1,6 +1,7 @@ #ifndef STAGE_H #define STAGE_H #include "definitions.h" +#include "instrDTO.h" #include "response.h" #include "storage.h" #include <array> @@ -8,14 +9,21 @@ class Stage { public: + /** + * Constructor. + * @param The next stage in the pipeline. + * @return A newly allocated stage object. + */ Stage(Stage *next); virtual ~Stage() = default; /** * Advances this stage by a single clock cycle. + * @param a DTO object containing various information about an instruction + * moving through the pipeline. * @return a response, indicating whether this pipeline stage is stalled, * busy, or done. */ - virtual Response advance() = 0; + virtual Response advance(InstrDTO &i) = 0; protected: /** @@ -37,7 +45,11 @@ class Stage /** * A flag indicating whether pipelining should be used. */ - bool is_pipelined; + static bool is_pipelined; + /** + * The current clock cycle. + */ + static int clock_cycle; }; #endif /* STAGE_H_INCLUDED */ |