cpu,isa,mem: Add per-thread wakeup logic

Changes wakeup functionality so that only specific threads on SMT
capable cpus are woken.

2 files changed, 5 insertions, 5 deletions

diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index d4ee5ffe7..c17b7a9dc 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -120,7 +120,7 @@ FullO3CPU<Impl>::DcachePort::recvTimingSnoopReq(PacketPtr pkt)
 {
     for (ThreadID tid = 0; tid < cpu->numThreads; tid++) {
         if (cpu->getCpuAddrMonitor(tid)->doMonitor(pkt)) {
-            cpu->wakeup();
+            cpu->wakeup(tid);
         }
     }
     lsq->recvTimingSnoopReq(pkt);
@@ -1633,15 +1633,15 @@ FullO3CPU<Impl>::wakeCPU()
 
 template <class Impl>
 void
-FullO3CPU<Impl>::wakeup()
+FullO3CPU<Impl>::wakeup(ThreadID tid)
 {
-    if (this->thread[0]->status() != ThreadContext::Suspended)
+    if (this->thread[tid]->status() != ThreadContext::Suspended)
         return;
 
     this->wakeCPU();
 
     DPRINTF(Quiesce, "Suspended Processor woken\n");
-    this->threadContexts[0]->activate();
+    this->threadContexts[tid]->activate();
 }
 
 template <class Impl>
diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh
index aa02ee2ea..bd9c44752 100644
--- a/src/cpu/o3/cpu.hh
+++ b/src/cpu/o3/cpu.hh
@@ -640,7 +640,7 @@ class FullO3CPU : public BaseO3CPU
     /** Wakes the CPU, rescheduling the CPU if it's not already active. */
     void wakeCPU();
 
-    virtual void wakeup();
+    virtual void wakeup(ThreadID tid) M5_ATTR_OVERRIDE;
 
     /** Gets a free thread id. Use if thread ids change across system. */
     ThreadID getFreeTid();