} else if (!blk && !(pkt->flags & SATISFIED)) {
// update the cache state and statistics
if (mshr || !writes.empty()){
- // Can't handle it, return pktuest unsatisfied.
+ // Can't handle it, return request unsatisfied.
panic("Atomic access ran into outstanding MSHR's or WB's!");
}
if (!pkt->req->isUncacheable()) {
}
/**
- * Selects a outstanding pktuest to service.
- * @return The pktuest to service, NULL if none found.
+ * Selects a outstanding request to service.
+ * @return The request to service, NULL if none found.
*/
PacketPtr getPacket();
void restoreOrigCmd(PacketPtr &pkt);
/**
- * Marks a pktuest as in service (sent on the bus). This can have side
+ * Marks a request as in service (sent on the bus). This can have side
* effect since storage for no response commands is deallocated once they
* are successfully sent.
* @param pkt The request that was sent on the bus.
void markInService(PacketPtr &pkt, MSHR* mshr);
/**
- * Frees the resources of the pktuest and unblock the cache.
+ * Frees the resources of the request and unblock the cache.
* @param pkt The request that has been satisfied.
- * @param time The time when the pktuest is satisfied.
+ * @param time The time when the request is satisfied.
*/
void handleResponse(PacketPtr &pkt, Tick time);
/**
- * Removes all outstanding pktuests for a given thread number. If a request
+ * Removes all outstanding requests for a given thread number. If a request
* has been sent to the bus, this function removes all of its targets.
* @param threadNum The thread number of the requests to squash.
*/
int size, uint8_t *data, bool compressed);
/**
- * Perform a writeback pktuest.
+ * Perform a writeback request.
* @param pkt The writeback request.
*/
void doWriteback(PacketPtr &pkt);
/**
- * Returns true if there are outstanding pktuests.
- * @return True if there are outstanding pktuests.
+ * Returns true if there are outstanding requests.
+ * @return True if there are outstanding requests.
*/
bool havePending()
{
/** The block size of the parent cache. */
int blkSize;
- /** Increasing order number assigned to each incoming pktuest. */
+ /** Increasing order number assigned to each incoming request. */
uint64_t order;
bool prefetchMiss;
void setPrefetcher(BasePrefetcher *_prefetcher);
/**
- * Handle a cache miss properly. Either allocate an MSHR for the pktuest,
+ * Handle a cache miss properly. Either allocate an MSHR for the request,
* or forward it through the write buffer.
* @param pkt The request that missed in the cache.
* @param blk_size The block size of the cache.
PacketPtr &target);
/**
- * Selects a outstanding pktuest to service.
- * @return The pktuest to service, NULL if none found.
+ * Selects a outstanding request to service.
+ * @return The request to service, NULL if none found.
*/
PacketPtr getPacket();
void restoreOrigCmd(PacketPtr &pkt);
/**
- * Marks a pktuest as in service (sent on the bus). This can have side
+ * Marks a request as in service (sent on the bus). This can have side
* effect since storage for no response commands is deallocated once they
* are successfully sent.
* @param pkt The request that was sent on the bus.
void markInService(PacketPtr &pkt, MSHR* mshr);
/**
- * Collect statistics and free resources of a satisfied pktuest.
+ * Collect statistics and free resources of a satisfied request.
* @param pkt The request that has been satisfied.
- * @param time The time when the pktuest is satisfied.
+ * @param time The time when the request is satisfied.
*/
void handleResponse(PacketPtr &pkt, Tick time);
/**
- * Removes all outstanding pktuests for a given thread number. If a request
+ * Removes all outstanding requests for a given thread number. If a request
* has been sent to the bus, this function removes all of its targets.
* @param threadNum The thread number of the requests to squash.
*/
int size, uint8_t *data, bool compressed);
/**
- * Perform the given writeback pktuest.
+ * Perform the given writeback request.
* @param pkt The writeback request.
*/
void doWriteback(PacketPtr &pkt);
/**
- * Returns true if there are outstanding pktuests.
- * @return True if there are outstanding pktuests.
+ * Returns true if there are outstanding requests.
+ * @return True if there are outstanding requests.
*/
bool havePending();
/**
* Miss Status and handling Register. This class keeps all the information
- * needed to handle a cache miss including a list of target pktuests.
+ * needed to handle a cache miss including a list of target requests.
*/
class MSHR {
public:
Addr addr;
/** Adress space id of the miss. */
short asid;
- /** True if the pktuest has been sent to the bus. */
+ /** True if the request has been sent to the bus. */
bool inService;
/** Thread number of the miss. */
int threadNum;
- /** The pktuest that is forwarded to the next level of the hierarchy. */
+ /** The request that is forwarded to the next level of the hierarchy. */
PacketPtr pkt;
/** The number of currently allocated targets. */
short ntargets;
- /** The original pktuesting command. */
+ /** The original requesting command. */
Packet::Command originalCmd;
/** Order number of assigned by the miss queue. */
uint64_t order;
Iterator allocIter;
private:
- /** List of all pktuests that match the address */
+ /** List of all requests that match the address */
TargetList targets;
public:
/**
* Allocate a miss to this MSHR.
- * @param cmd The pktuesting command.
+ * @param cmd The requesting command.
* @param addr The address of the miss.
* @param asid The address space id of the miss.
- * @param size The number of bytes to pktuest.
+ * @param size The number of bytes to request.
* @param pkt The original miss.
*/
void allocate(Packet::Command cmd, Addr addr, int size,
PacketPtr &pkt);
/**
- * Allocate this MSHR as a buffer for the given pktuest.
- * @param target The memory pktuest to buffer.
+ * Allocate this MSHR as a buffer for the given request.
+ * @param target The memory request to buffer.
*/
void allocateAsBuffer(PacketPtr &target);
void deallocate();
/**
- * Add a pktuest to the list of targets.
+ * Add a request to the list of targets.
* @param target The target.
*/
void allocateTarget(PacketPtr &target);
#include "mem/cache/miss/mshr.hh"
/**
- * A Class for maintaining a list of pending and allocated memory pktuests.
+ * A Class for maintaining a list of pending and allocated memory requests.
*/
class MSHRQueue {
private:
// Parameters
/**
* The total number of MSHRs in this queue. This number is set as the
- * number of MSHRs pktuested plus (numReserve - 1). This allows for
+ * number of MSHRs requested plus (numReserve - 1). This allows for
* the same number of effective MSHRs while still maintaining the reserve.
*/
const int numMSHRs;
bool findMatches(Addr addr, std::vector<MSHR*>& matches) const;
/**
- * Find any pending pktuests that overlap the given request.
+ * Find any pending requests that overlap the given request.
* @param pkt The request to find.
* @return A pointer to the earliest matching MSHR.
*/
MSHR* findPending(PacketPtr &pkt) const;
/**
- * Allocates a new MSHR for the pktuest and size. This places the request
+ * Allocates a new MSHR for the request and size. This places the request
* as the first target in the MSHR.
* @param pkt The request to handle.
* @param size The number in bytes to fetch from memory.
MSHR* allocate(PacketPtr &pkt, int size = 0);
/**
- * Allocate a read pktuest for the given address, and places the given
+ * Allocate a read request for the given address, and places the given
* target on the target list.
* @param addr The address to fetch.
* @param asid The address space for the fetch.
- * @param size The number of bytes to pktuest.
- * @param target The first target for the pktuest.
+ * @param size The number of bytes to request.
+ * @param target The first target for the request.
* @return Pointer to the new MSHR.
*/
MSHR* allocateFetch(Addr addr, int size, PacketPtr &target);
* Allocate a target list for the given address.
* @param addr The address to fetch.
* @param asid The address space for the fetch.
- * @param size The number of bytes to pktuest.
+ * @param size The number of bytes to request.
* @return Pointer to the new MSHR.
*/
MSHR* allocateTargetList(Addr addr, int size);
void markInService(MSHR* mshr);
/**
- * Mark an in service mshr as pending, used to resend a pktuest.
+ * Mark an in service mshr as pending, used to resend a request.
* @param mshr The MSHR to resend.
* @param cmd The command to resend.
*/
void markPending(MSHR* mshr, Packet::Command cmd);
/**
- * Squash outstanding pktuests with the given thread number. If a request
+ * Squash outstanding requests with the given thread number. If a request
* is in service, just squashes the targets.
* @param threadNum The thread to squash.
*/
/**
* Returns true if the pending list is not empty.
- * @return True if there are outstanding pktuests.
+ * @return True if there are outstanding requests.
*/
bool havePending() const
{
}
/**
- * Returns the pktuest at the head of the pendingList.
- * @return The next pktuest to service.
+ * Returns the request at the head of the pendingList.
+ * @return The next request to service.
*/
PacketPtr getReq() const
{
Addr blkMask;
- /** Number of NIC pktuests that hit in the NIC partition */
+ /** Number of NIC requests that hit in the NIC partition */
Stats::Scalar<> NR_NP_hits;
- /** Number of NIC pktuests that hit in the CPU partition */
+ /** Number of NIC requests that hit in the CPU partition */
Stats::Scalar<> NR_CP_hits;
- /** Number of CPU pktuests that hit in the NIC partition */
+ /** Number of CPU requests that hit in the NIC partition */
Stats::Scalar<> CR_NP_hits;
- /** Number of CPU pktuests that hit in the CPU partition */
+ /** Number of CPU requests that hit in the CPU partition */
Stats::Scalar<> CR_CP_hits;
/** The number of nic replacements (i.e. misses) */
Stats::Scalar<> nic_repl;
bool isTouched;
/** Has this block been used after being brought in? (for LIFO partition) */
bool isUsed;
- /** is this blk a NIC block? (i.e. pktuested by the NIC) */
+ /** is this blk a NIC block? (i.e. requested by the NIC) */
bool isNIC;
/** timestamp of the arrival of this block into the cache */
Tick ts;
projects / gem5.git / commitdiff