cpu/o3/commit.hh

62  * DefaultCommit handles single threaded and SMT commit. Its width is
63  * specified by the parameters; each cycle it tries to commit that
65  * commit instructions from. Non- speculative instructions must reach
67  * reach the head, commit will broadcast the instruction's sequence
105     /** Overall commit status. Used to determine if the CPU can deschedule
124     /** Overall commit status. */
126     /** Next commit status, to be set at the end of the cycle. */
193     /** Initializes the draining of commit. */
211     /** Ticks the commit stage, which tries to commit instructions. */
215      * to the ROB and tries to commit instructions.
217     void commit();
225     /** Records that commit needs to initiate a squash due to an
231     /** Updates the overall status of commit with the nextStatus, and
232      * tell the CPU if commit is active/inactive.
261      * the commit stage before the squashing instruction was reached
262      * and we can't commit and squash in the same cycle, we have to
266      *   <li>Immediately set the commit status of the thread of
271      *   <li>In the next cycle, commit() checks for the
293     /** Tries to commit the head ROB instruction passed in.
304     /** Gets the thread to commit, based on the SMT policy. */
367     /** Records that commit has written to the time buffer this cycle. Used for
440     /** The commit PC state of each thread.  Refers to the instruction that
457     /** Records if commit should check if the ROB is truly empty (see
476     /** Updates commit stats based on this instruction. */
479     /** Stat for the total number of squashed instructions discarded by commit.
482     /** Stat for the total number of times commit has had to stall due to a non-
518     /** Number of cycles where the commit bandwidth limit is reached. */