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Let power down manager check state of bank machines.

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This commit is contained in:
Lukas Steiner
2021-05-20 18:24:04 +02:00
parent c015a73e91
commit 38fbf9f63a
3 changed files with 16 additions and 19 deletions
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3
DRAMSys/library/src/controller/Controller.cpp
View File

@@ -175,7 +175,8 @@ Controller::Controller(const sc_module_name &name) :
{
for (unsigned rankID = 0; rankID < memSpec->numberOfRanks; rankID++)
{
PowerDownManagerIF *manager = new PowerDownManagerStaggered(Rank(rankID), checker);
PowerDownManagerIF *manager = new PowerDownManagerStaggered(bankMachinesOnRank[rankID],
Rank(rankID), checker);
powerDownManagers.push_back(manager);
}
}

27
DRAMSys/library/src/controller/powerdown/PowerDownManagerStaggered.cpp
View File

@@ -37,8 +37,9 @@
using namespace tlm;
PowerDownManagerStaggered::PowerDownManagerStaggered(Rank rank, CheckerIF *checker)
: rank(rank), checker(checker)
PowerDownManagerStaggered::PowerDownManagerStaggered(std::vector<BankMachine *> &bankMachinesOnRank,
Rank rank, CheckerIF *checker)
: bankMachinesOnRank(bankMachinesOnRank), checker(checker)
{
setUpDummy(powerDownPayload, UINT64_MAX - 1, rank);
}
@@ -94,10 +95,15 @@ sc_time PowerDownManagerStaggered::start()
}
else if (entryTriggered)
{
if (activatedBanks != 0)
nextCommand = Command::PDEA;
else
nextCommand = Command::PDEP;
nextCommand = Command::PDEP;
for (auto it : bankMachinesOnRank)
{
if (it->getState() == BankMachine::State::Activated)
{
nextCommand = Command::PDEA;
break;
}
}
timeToSchedule = checker->timeToSatisfyConstraints(nextCommand, &powerDownPayload);
}
@@ -114,15 +120,6 @@ void PowerDownManagerStaggered::updateState(Command command)
{
switch (command)
{
case Command::ACT:
activatedBanks++;
break;
case Command::PRE:
activatedBanks--;
break;
case Command::PREA:
activatedBanks = 0;
break;
case Command::PDEA:
state = State::ActivePdn;
entryTriggered = false;

5
DRAMSys/library/src/controller/powerdown/PowerDownManagerStaggered.h
View File

@@ -42,7 +42,7 @@
class PowerDownManagerStaggered final : public PowerDownManagerIF
{
public:
PowerDownManagerStaggered(Rank, CheckerIF *);
PowerDownManagerStaggered(std::vector<BankMachine *> &, Rank, CheckerIF *);
void triggerEntry() override;
void triggerExit() override;
@@ -55,7 +55,7 @@ public:
private:
enum class State {Idle, ActivePdn, PrechargePdn, SelfRefresh, ExtraRefresh} state = State::Idle;
tlm::tlm_generic_payload powerDownPayload;
Rank rank;
std::vector<BankMachine *> &bankMachinesOnRank;
CheckerIF *checker;
sc_time timeToSchedule = sc_max_time();
@@ -65,7 +65,6 @@ private:
bool entryTriggered = true;
bool exitTriggered = false;
bool enterSelfRefresh = false;
unsigned activatedBanks = 0;
};
#endif // POWERDOWNMANAGERSTAGGERED_H