cpu/o3/rob.hh

59  * ROB class.  The ROB is largely what drives squashing.
62 class ROB
72     /** Possible ROB statuses. */
80     /** Per-thread ROB status. */
83     /** ROB resource sharing policy for SMT mode. */
87     /** ROB constructor.
89      *  @param params The cpu params including several ROB-specific parameters.
91     ROB(O3CPU *_cpu, DerivO3CPUParams *params);
106     /** Function to insert an instruction into the ROB. Note that whatever
108      *  ROB for the new instruction.
109      *  @param inst The instruction being inserted into the ROB.
113     /** Returns pointer to the head instruction within the ROB.  There is
114      *  no guarantee as to the return value if the ROB is empty.
115      *  @retval Pointer to the DynInst that is at the head of the ROB.
120      *  the ROB.
121      *  @return Pointer to the DynInst that is at the head of the ROB.
126      *  in the ROB.
130     /** Returns pointer to the tail instruction within the ROB.  There is
131      *  no guarantee as to the return value if the ROB is empty.
132      *  @retval Pointer to the DynInst that is at the tail of the ROB.
137      *  the ROB.
138      *  @return Pointer to the DynInst that is at the tail of the ROB.
142     /** Retires the head instruction, removing it from the ROB. */
146      *  ROB.
159     /** Re-adjust ROB partitioning. */
165     /** Returns the number of total free entries in the ROB. */
168     /** Returns the number of free entries in a specific ROB paritition. */
179     /** Returns if the ROB is full. */
187     /** Returns if the ROB is empty. */
240     /** Checks if the ROB is still in the process of squashing instructions.
241      *  @retval Whether or not the ROB is done squashing.
246     /** Checks if the ROB is still in the process of squashing instructions for
252      *  numInstsInROB to get the instructions in the ROB unless you are
258      *  threadEntries to get the instructions in the ROB unless you are
267     /** Reset the ROB state */
276     /** Number of instructions in the ROB. */
282     /** Max Insts a Thread Can Have in the ROB */
285     /** ROB List of Instructions */
293      *  in the ROB.  This may at times be invalid (ie when the ROB is empty),
299      *  in the ROB*/
313     /** Number of instructions in the ROB. */
323     /** Is the ROB done squashing. */