Get O3 CPU mostly working in full system, and fix an FP bug that showed up.

It still does not yet handle retries.

src/cpu/base_dyn_inst.hh:
    Get working in full-system mode and fix some FP bugs.
src/cpu/checker/cpu.cc:
src/cpu/checker/cpu.hh:
src/cpu/checker/thread_context.hh:
src/cpu/o3/alpha_cpu.hh:
src/cpu/o3/alpha_cpu_impl.hh:
src/cpu/o3/commit_impl.hh:
src/cpu/o3/cpu.cc:
src/cpu/o3/cpu.hh:
src/cpu/o3/fetch_impl.hh:
src/cpu/o3/thread_state.hh:
src/cpu/ozone/cpu.hh:
src/cpu/ozone/thread_state.hh:
src/cpu/thread_state.hh:
    Get working in full system.
src/cpu/checker/o3_cpu_builder.cc:
    Checker does not take a MemObject as a simobj parameter.
src/cpu/o3/alpha_dyn_inst.hh:
    Fix up float regs.
src/cpu/o3/regfile.hh:
    Fix up an fp error, print out more useful output messages.

--HG--
extra : convert_revision : d7cc152a051c697f18b7ee9e14050fbf3ffa5966

1 files changed, 33 insertions, 6 deletions

diff --git a/src/cpu/o3/alpha_cpu_impl.hh b/src/cpu/o3/alpha_cpu_impl.hh
index 2debe074b..fb2fea8e6 100644
--- a/src/cpu/o3/alpha_cpu_impl.hh
+++ b/src/cpu/o3/alpha_cpu_impl.hh
@@ -46,6 +46,7 @@
 #include "arch/isa_traits.hh"
 #include "cpu/quiesce_event.hh"
 #include "kern/kernel_stats.hh"
+#include "sim/system.hh"
 #endif
 
 using namespace TheISA;
@@ -67,7 +68,7 @@ AlphaFullCPU<Impl>::AlphaFullCPU(Params *params)
 #if FULL_SYSTEM
         // SMT is not supported in FS mode yet.
         assert(this->numThreads == 1);
-        this->thread[i] = new Thread(this, 0, params->mem);
+        this->thread[i] = new Thread(this, 0);
         this->thread[i]->setStatus(ThreadContext::Suspended);
 #else
         if (i < params->workload.size()) {
@@ -128,14 +129,14 @@ AlphaFullCPU<Impl>::AlphaFullCPU(Params *params)
         FunctionalPort *phys_port;
         VirtualPort *virt_port;
         phys_port = new FunctionalPort(csprintf("%s-%d-funcport",
-                                               cpu->name(), tid));
-        mem_port = system->physmem->getPort("functional");
+                                                name(), i));
+        mem_port = this->system->physmem->getPort("functional");
         mem_port->setPeer(phys_port);
         phys_port->setPeer(mem_port);
 
         virt_port = new VirtualPort(csprintf("%s-%d-vport",
-                                            cpu->name(), tid));
-        mem_port = system->physmem->getPort("functional");
+                                             name(), i));
+        mem_port = this->system->physmem->getPort("functional");
         mem_port->setPeer(virt_port);
         virt_port->setPeer(mem_port);
 
@@ -183,6 +184,23 @@ AlphaFullCPU<Impl>::regStats()
 
 #if FULL_SYSTEM
 template <class Impl>
+VirtualPort *
+AlphaFullCPU<Impl>::AlphaTC::getVirtPort(ThreadContext *src_tc)
+{
+    if (!src_tc)
+        return thread->getVirtPort();
+
+    VirtualPort *vp;
+    Port *mem_port;
+
+    vp = new VirtualPort("tc-vport", src_tc);
+    mem_port = cpu->system->physmem->getPort("functional");
+    mem_port->setPeer(vp);
+    vp->setPeer(mem_port);
+    return vp;
+}
+
+template <class Impl>
 void
 AlphaFullCPU<Impl>::AlphaTC::dumpFuncProfile()
 {
@@ -195,7 +213,6 @@ void
 AlphaFullCPU<Impl>::AlphaTC::takeOverFrom(ThreadContext *old_context)
 {
     // some things should already be set up
-    assert(getMemPort() == old_context->getMemPort());
 #if FULL_SYSTEM
     assert(getSystemPtr() == old_context->getSystemPtr());
 #else
@@ -232,6 +249,16 @@ AlphaFullCPU<Impl>::AlphaTC::takeOverFrom(ThreadContext *old_context)
     thread->trapPending = false;
 }
 
+#if FULL_SYSTEM
+template <class Impl>
+void
+AlphaFullCPU<Impl>::AlphaTC::delVirtPort(VirtualPort *vp)
+{
+    delete vp->getPeer();
+    delete vp;
+}
+#endif
+
 template <class Impl>
 void
 AlphaFullCPU<Impl>::AlphaTC::activate(int delay)