diff options
Diffstat (limited to 'inc/if.h')
| -rw-r--r-- | inc/if.h | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -15,7 +15,17 @@ class IF : public Stage */ IF(Stage *next); - Response advance(InstrDTO &i, Response p) override; + Response advance(InstrDTO &next_instr, Response p) override; + + private: + /** + * Performs a fetch only if a current fetch is not pending. Pending means + * that a fetch has completed successfully, but the caller stage in the + * pipeline is not ready to receive it. In this case, `curr_instr` is not + * the nullptr. + * @return STALLED if we are waiting on the storage devices, OK otherwise. + */ + void fetch_with_buffer(); }; #endif /* IF_H_INCLUDED */ |