typedef ResourceRequest ResReq;
typedef ResourceRequest* ResReqPtr;
+class CacheRequest;
+typedef CacheRequest* CacheReqPtr;
+
class Resource {
public:
typedef ThePipeline::DynInstPtr DynInstPtr;
/** Return name of this resource */
virtual std::string name();
- /** Define this function if resource, has a port to connect to an outside
- * simulation object.
- */
- virtual Port* getPort(const std::string &if_name, int idx)
- { return NULL; }
-
/** Return ID for this resource */
int getId() { return id; }
* if instruction is actually in resource before
* trying to do access.Needs to be defined for derived units.
*/
- virtual Fault doCacheAccess(DynInstPtr inst, uint64_t *res=NULL)
- { panic("doCacheAccess undefined for %s", name()); return NoFault; }
+ virtual void doCacheAccess(DynInstPtr inst, uint64_t *write_result = NULL,
+ CacheReqPtr split_req = NULL)
+ { panic("doCacheAccess undefined for %s", name()); }
/** Setup Squash to be sent out to pipeline and resource pool */
void setupSquash(DynInstPtr inst, int stage_num, ThreadID tid);
virtual void squashDueToMemStall(DynInstPtr inst, int stage_num,
InstSeqNum squash_seq_num, ThreadID tid);
+ /** Handle Squash & Trap that occured from an instruction in a resource */
+ void squashThenTrap(int stage_num, DynInstPtr inst);
+
/** The number of instructions available that this resource can
* can still process
*/
/// (for InOrderCPU model).
/// check src/sim/eventq.hh for more event priorities.
enum InOrderPriority {
- Resource_Event_Pri = 45,
+ Resource_Event_Pri = 45
};
/** The Resource Slot that this event is servicing */
virtual void process();
/** Returns the description of the resource event. */
- const char *description();
+ const char *description() const;
/** Set slot idx for event */
void setSlot(int slot) { slotIdx = slot; }
int reqID;
- virtual void setRequest(DynInstPtr _inst, int stage_num,
+ void setRequest(DynInstPtr _inst, int stage_num,
int res_idx, int slot_num, unsigned _cmd);
virtual void clearRequest();
/** Get/Set IsProcessing variables */
bool isProcessing() { return processing; }
- void setProcessing() { processing = true; }
+ void setProcessing(bool cond = true) { processing = cond; }
/** Get/Set IsWaiting variables */
bool isMemStall() { return memStall; }