diff options
Diffstat (limited to 'src/cpu/simple')
-rw-r--r-- | src/cpu/simple/atomic.cc | 19 | ||||
-rw-r--r-- | src/cpu/simple/atomic.hh | 17 | ||||
-rw-r--r-- | src/cpu/simple/timing.cc | 37 | ||||
-rw-r--r-- | src/cpu/simple/timing.hh | 2 |
4 files changed, 40 insertions, 35 deletions
diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc index df7e780e6..ca4627bbf 100644 --- a/src/cpu/simple/atomic.cc +++ b/src/cpu/simple/atomic.cc @@ -126,6 +126,17 @@ AtomicSimpleCPU::CpuPort::recvRetry() panic("AtomicSimpleCPU doesn't expect recvRetry callback!"); } +void +AtomicSimpleCPU::DcachePort::setPeer(Port *port) +{ + Port::setPeer(port); + +#if FULL_SYSTEM + // Update the ThreadContext's memory ports (Functional/Virtual + // Ports) + cpu->tcBase()->connectMemPorts(); +#endif +} AtomicSimpleCPU::AtomicSimpleCPU(Params *p) : BaseSimpleCPU(p), tickEvent(this), @@ -211,7 +222,7 @@ AtomicSimpleCPU::switchOut() void AtomicSimpleCPU::takeOverFrom(BaseCPU *oldCPU) { - BaseCPU::takeOverFrom(oldCPU); + BaseCPU::takeOverFrom(oldCPU, &icachePort, &dcachePort); assert(!tickEvent.scheduled()); @@ -242,12 +253,6 @@ AtomicSimpleCPU::activateContext(int thread_num, int delay) notIdleFraction++; -#if FULL_SYSTEM - // Connect the ThreadContext's memory ports (Functional/Virtual - // Ports) - tc->connectMemPorts(); -#endif - //Make sure ticks are still on multiples of cycles tickEvent.schedule(nextCycle(curTick + cycles(delay))); _status = Running; diff --git a/src/cpu/simple/atomic.hh b/src/cpu/simple/atomic.hh index 5bffb7666..ad4aa4708 100644 --- a/src/cpu/simple/atomic.hh +++ b/src/cpu/simple/atomic.hh @@ -81,9 +81,6 @@ class AtomicSimpleCPU : public BaseSimpleCPU class CpuPort : public Port { - - AtomicSimpleCPU *cpu; - public: CpuPort(const std::string &_name, AtomicSimpleCPU *_cpu) @@ -94,6 +91,8 @@ class AtomicSimpleCPU : public BaseSimpleCPU protected: + AtomicSimpleCPU *cpu; + virtual bool recvTiming(PacketPtr pkt); virtual Tick recvAtomic(PacketPtr pkt); @@ -110,7 +109,17 @@ class AtomicSimpleCPU : public BaseSimpleCPU }; CpuPort icachePort; - CpuPort dcachePort; + + class DcachePort : public CpuPort + { + public: + DcachePort(const std::string &_name, AtomicSimpleCPU *_cpu) + : CpuPort(_name, _cpu) + { } + + virtual void setPeer(Port *port); + }; + DcachePort dcachePort; Request *ifetch_req; PacketPtr ifetch_pkt; diff --git a/src/cpu/simple/timing.cc b/src/cpu/simple/timing.cc index 7f857c68d..6f3604678 100644 --- a/src/cpu/simple/timing.cc +++ b/src/cpu/simple/timing.cc @@ -194,7 +194,7 @@ TimingSimpleCPU::switchOut() void TimingSimpleCPU::takeOverFrom(BaseCPU *oldCPU) { - BaseCPU::takeOverFrom(oldCPU); + BaseCPU::takeOverFrom(oldCPU, &icachePort, &dcachePort); // if any of this CPU's ThreadContexts are active, mark the CPU as // running and schedule its tick event. @@ -209,23 +209,6 @@ TimingSimpleCPU::takeOverFrom(BaseCPU *oldCPU) if (_status != Running) { _status = Idle; } - - Port *peer; - if (icachePort.getPeer() == NULL) { - peer = oldCPU->getPort("icache_port")->getPeer(); - icachePort.setPeer(peer); - } else { - peer = icachePort.getPeer(); - } - peer->setPeer(&icachePort); - - if (dcachePort.getPeer() == NULL) { - peer = oldCPU->getPort("dcache_port")->getPeer(); - dcachePort.setPeer(peer); - } else { - peer = dcachePort.getPeer(); - } - peer->setPeer(&dcachePort); } @@ -240,12 +223,6 @@ TimingSimpleCPU::activateContext(int thread_num, int delay) notIdleFraction++; _status = Running; -#if FULL_SYSTEM - // Connect the ThreadContext's memory ports (Functional/Virtual - // Ports) - tc->connectMemPorts(); -#endif - // kick things off by initiating the fetch of the next instruction fetchEvent = new EventWrapper<TimingSimpleCPU, &TimingSimpleCPU::fetch>(this, false); @@ -649,6 +626,18 @@ TimingSimpleCPU::completeDrain() drainEvent->process(); } +void +TimingSimpleCPU::DcachePort::setPeer(Port *port) +{ + Port::setPeer(port); + +#if FULL_SYSTEM + // Update the ThreadContext's memory ports (Functional/Virtual + // Ports) + cpu->tcBase()->connectMemPorts(); +#endif +} + bool TimingSimpleCPU::DcachePort::recvTiming(PacketPtr pkt) { diff --git a/src/cpu/simple/timing.hh b/src/cpu/simple/timing.hh index abcb224bf..ef062d24a 100644 --- a/src/cpu/simple/timing.hh +++ b/src/cpu/simple/timing.hh @@ -144,6 +144,8 @@ class TimingSimpleCPU : public BaseSimpleCPU : CpuPort(_cpu->name() + "-dport", _cpu, _lat), tickEvent(_cpu) { } + virtual void setPeer(Port *port); + protected: virtual bool recvTiming(PacketPtr pkt); |