summaryrefslogtreecommitdiff
path: root/src/cpu/o3/lsq_impl.hh
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/o3/lsq_impl.hh')
-rw-r--r--src/cpu/o3/lsq_impl.hh92
1 files changed, 69 insertions, 23 deletions
diff --git a/src/cpu/o3/lsq_impl.hh b/src/cpu/o3/lsq_impl.hh
index 89fd1a71d..db2c253e1 100644
--- a/src/cpu/o3/lsq_impl.hh
+++ b/src/cpu/o3/lsq_impl.hh
@@ -29,23 +29,66 @@
*/
#include <algorithm>
+#include <list>
#include <string>
#include "cpu/o3/lsq.hh"
-using namespace std;
+template <class Impl>
+Tick
+LSQ<Impl>::DcachePort::recvAtomic(PacketPtr pkt)
+{
+ panic("O3CPU model does not work with atomic mode!");
+ return curTick;
+}
+
+template <class Impl>
+void
+LSQ<Impl>::DcachePort::recvFunctional(PacketPtr pkt)
+{
+ panic("O3CPU doesn't expect recvFunctional callback!");
+}
+
+template <class Impl>
+void
+LSQ<Impl>::DcachePort::recvStatusChange(Status status)
+{
+ if (status == RangeChange)
+ return;
+
+ panic("O3CPU doesn't expect recvStatusChange callback!");
+}
+
+template <class Impl>
+bool
+LSQ<Impl>::DcachePort::recvTiming(PacketPtr pkt)
+{
+ lsq->thread[pkt->req->getThreadNum()].completeDataAccess(pkt);
+ return true;
+}
+
+template <class Impl>
+void
+LSQ<Impl>::DcachePort::recvRetry()
+{
+ lsq->thread[lsq->retryTid].recvRetry();
+ // Speculatively clear the retry Tid. This will get set again if
+ // the LSQUnit was unable to complete its access.
+ lsq->retryTid = -1;
+}
template <class Impl>
LSQ<Impl>::LSQ(Params *params)
- : LQEntries(params->LQEntries), SQEntries(params->SQEntries),
- numThreads(params->numberOfThreads)
+ : dcachePort(this), LQEntries(params->LQEntries),
+ SQEntries(params->SQEntries), numThreads(params->numberOfThreads),
+ retryTid(-1)
{
DPRINTF(LSQ, "Creating LSQ object.\n");
//**********************************************/
//************ Handle SMT Parameters ***********/
//**********************************************/
- string policy = params->smtLSQPolicy;
+ std::string policy = params->smtLSQPolicy;
//Convert string to lowercase
std::transform(policy.begin(), policy.end(), policy.begin(),
@@ -94,7 +137,8 @@ LSQ<Impl>::LSQ(Params *params)
//Initialize LSQs
for (int tid=0; tid < numThreads; tid++) {
- thread[tid].init(params, maxLQEntries, maxSQEntries, tid);
+ thread[tid].init(params, this, maxLQEntries, maxSQEntries, tid);
+ thread[tid].setDcachePort(&dcachePort);
}
}
@@ -118,7 +162,7 @@ LSQ<Impl>::regStats()
template<class Impl>
void
-LSQ<Impl>::setActiveThreads(list<unsigned> *at_ptr)
+LSQ<Impl>::setActiveThreads(std::list<unsigned> *at_ptr)
{
activeThreads = at_ptr;
assert(activeThreads != 0);
@@ -130,6 +174,8 @@ LSQ<Impl>::setCPU(O3CPU *cpu_ptr)
{
cpu = cpu_ptr;
+ dcachePort.setName(name());
+
for (int tid=0; tid < numThreads; tid++) {
thread[tid].setCPU(cpu_ptr);
}
@@ -182,8 +228,8 @@ LSQ<Impl>::resetEntries()
if (lsqPolicy != Dynamic || numThreads > 1) {
int active_threads = (*activeThreads).size();
- list<unsigned>::iterator threads = (*activeThreads).begin();
- list<unsigned>::iterator list_end = (*activeThreads).end();
+ std::list<unsigned>::iterator threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator list_end = (*activeThreads).end();
int maxEntries;
@@ -221,7 +267,7 @@ template<class Impl>
void
LSQ<Impl>::tick()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -270,7 +316,7 @@ template<class Impl>
void
LSQ<Impl>::writebackStores()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -289,7 +335,7 @@ bool
LSQ<Impl>::violation()
{
/* Answers: Does Anybody Have a Violation?*/
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -306,7 +352,7 @@ LSQ<Impl>::getCount()
{
unsigned total = 0;
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -322,7 +368,7 @@ LSQ<Impl>::numLoads()
{
unsigned total = 0;
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -338,7 +384,7 @@ LSQ<Impl>::numStores()
{
unsigned total = 0;
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -354,7 +400,7 @@ LSQ<Impl>::numLoadsReady()
{
unsigned total = 0;
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -370,7 +416,7 @@ LSQ<Impl>::numFreeEntries()
{
unsigned total = 0;
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -394,7 +440,7 @@ template<class Impl>
bool
LSQ<Impl>::isFull()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -421,7 +467,7 @@ template<class Impl>
bool
LSQ<Impl>::lqFull()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -448,7 +494,7 @@ template<class Impl>
bool
LSQ<Impl>::sqFull()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -475,7 +521,7 @@ template<class Impl>
bool
LSQ<Impl>::isStalled()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -500,7 +546,7 @@ template<class Impl>
bool
LSQ<Impl>::hasStoresToWB()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
if ((*activeThreads).empty())
return false;
@@ -518,7 +564,7 @@ template<class Impl>
bool
LSQ<Impl>::willWB()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
@@ -533,7 +579,7 @@ template<class Impl>
void
LSQ<Impl>::dumpInsts()
{
- list<unsigned>::iterator active_threads = (*activeThreads).begin();
+ std::list<unsigned>::iterator active_threads = (*activeThreads).begin();
while (active_threads != (*activeThreads).end()) {
unsigned tid = *active_threads++;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-27 02:19:25 +0000