#include "sim/system.hh"
ThreadState::ThreadState(BaseCPU *cpu, ThreadID _tid, Process *_process)
- : numInst(0), numLoad(0), _status(ThreadContext::Halted),
+ : numInst(0), numOp(0), numLoad(0), _status(ThreadContext::Halted),
baseCpu(cpu), _threadId(_tid), lastActivate(0), lastSuspend(0),
profile(NULL), profileNode(NULL), profilePC(0), quiesceEvent(NULL),
kernelStats(NULL), process(_process), physProxy(NULL), virtProxy(NULL),
void
ThreadState::initMemProxies(ThreadContext *tc)
{
- // Note that this only refers to the port on the CPU side and can
- // safely be done at init() time even if the CPU is not connected
- // (i.e. due to restoring from a checkpoint and later switching
- // in.
- if (physProxy == NULL)
- physProxy = new PortProxy(*baseCpu->getPort("dcache_port"));
- if (virtProxy == NULL)
+ // The port proxies only refer to the data port on the CPU side
+ // and can safely be done at init() time even if the CPU is not
+ // connected, i.e. when restoring from a checkpoint and later
+ // switching the CPU in.
+ if (FullSystem) {
+ assert(physProxy == NULL);
+ // This cannot be done in the constructor as the thread state
+ // itself is created in the base cpu constructor and the
+ // getDataPort is a virtual function
+ physProxy = new PortProxy(baseCpu->getDataPort());
+
+ assert(virtProxy == NULL);
virtProxy = new FSTranslatingPortProxy(tc);
+ } else {
+ assert(proxy == NULL);
+ proxy = new SETranslatingPortProxy(baseCpu->getDataPort(),
+ process,
+ SETranslatingPortProxy::NextPage);
+ }
+}
+
+PortProxy &
+ThreadState::getPhysProxy()
+{
+ assert(FullSystem);
+ assert(physProxy != NULL);
+ return *physProxy;
+}
+
+FSTranslatingPortProxy &
+ThreadState::getVirtProxy()
+{
+ assert(FullSystem);
+ assert(virtProxy != NULL);
+ return *virtProxy;
+}
+
+SETranslatingPortProxy &
+ThreadState::getMemProxy()
+{
+ assert(!FullSystem);
+ assert(proxy != NULL);
+ return *proxy;
}
void
if (profile)
profile->sample(profileNode, profilePC);
}
-
-SETranslatingPortProxy *
-ThreadState::getMemProxy()
-{
- if (proxy != NULL)
- return proxy;
-
- /* Use this port proxy to for syscall emulation writes to memory. */
- proxy = new SETranslatingPortProxy(*process->system->getSystemPort(),
- process,
- SETranslatingPortProxy::NextPage);
-
- return proxy;
-}