X86: Add a .serializing directive that makes a macroop serializing.

[gem5.git] / src / cpu / ozone / front_end_impl.hh

diff --git a/src/cpu/ozone/front_end_impl.hh b/src/cpu/ozone/front_end_impl.hh
index 9a00aefbf9f912f47c09d545b224702295d09101..88413692761484b4dcf82403c931f4a75139530a 100644 (file)
--- a/src/cpu/ozone/front_end_impl.hh
+++ b/src/cpu/ozone/front_end_impl.hh
@@ -28,12 +28,12 @@
  * Authors: Kevin Lim
  */
 
-#include "config/use_checker.hh"
-
-#include "arch/faults.hh"
+#include "sim/faults.hh"
 #include "arch/isa_traits.hh"
 #include "arch/utility.hh"
 #include "base/statistics.hh"
+#include "config/the_isa.hh"
+#include "config/use_checker.hh"
 #include "cpu/thread_context.hh"
 #include "cpu/exetrace.hh"
 #include "cpu/ozone/front_end.hh"
@@ -59,7 +59,7 @@ template<class Impl>
 void
 FrontEnd<Impl>::IcachePort::recvFunctional(PacketPtr pkt)
 {
-    panic("FrontEnd doesn't expect recvFunctional callback!");
+    warn("FrontEnd doesn't update state from functional calls");
 }
 
 template<class Impl>
@@ -74,7 +74,7 @@ FrontEnd<Impl>::IcachePort::recvStatusChange(Status status)
 
 template<class Impl>
 bool
-FrontEnd<Impl>::IcachePort::recvTiming(Packet *pkt)
+FrontEnd<Impl>::IcachePort::recvTiming(PacketPtr pkt)
 {
     fe->processCacheCompletion(pkt);
     return true;
@@ -91,7 +91,6 @@ template <class Impl>
 FrontEnd<Impl>::FrontEnd(Params *params)
     : branchPred(params),
       icachePort(this),
-      mem(params->mem),
       numInstsReady(params->frontEndLatency, 0),
       instBufferSize(0),
       maxInstBufferSize(params->maxInstBufferSize),
@@ -463,15 +462,10 @@ Fault
 FrontEnd<Impl>::fetchCacheLine()
 {
     // Read a cache line, based on the current PC.
-#if FULL_SYSTEM
-    // Flag to say whether or not address is physical addr.
-    unsigned flags = cpu->inPalMode(PC) ? PHYSICAL : 0;
-#else
-    unsigned flags = 0;
-#endif // FULL_SYSTEM
     Fault fault = NoFault;
 
-    if (interruptPending && flags == 0) {
+    //AlphaDep
+    if (interruptPending && (PC & 0x3)) {
         return fault;
     }
 
@@ -482,18 +476,18 @@ FrontEnd<Impl>::fetchCacheLine()
 
     // Setup the memReq to do a read of the first isntruction's address.
     // Set the appropriate read size and flags as well.
-    memReq = new Request(0, fetch_PC, cacheBlkSize, flags,
-                         fetch_PC, cpu->readCpuId(), 0);
+    memReq = new Request(0, fetch_PC, cacheBlkSize, 0,
+                         PC, cpu->thread->contextId());
 
     // Translate the instruction request.
-    fault = cpu->translateInstReq(memReq, thread);
+    fault = cpu->itb->translateAtomic(memReq, thread, false, true);
 
     // Now do the timing access to see whether or not the instruction
     // exists within the cache.
     if (fault == NoFault) {
 #if 0
         if (cpu->system->memctrl->badaddr(memReq->paddr) ||
-            memReq->flags & UNCACHEABLE) {
+            memReq->isUncacheable()) {
             DPRINTF(FE, "Fetch: Bad address %#x (hopefully on a "
                     "misspeculating path!",
                     memReq->paddr);
@@ -883,7 +877,11 @@ FrontEnd<Impl>::getInstFromCacheline()
     // Get the instruction from the array of the cache line.
     inst = htog(*reinterpret_cast<MachInst *>(&cacheData[offset]));
 
+#if THE_ISA == ALPHA_ISA
+    ExtMachInst decode_inst = TheISA::makeExtMI(inst, PC);
+#elif THE_ISA == SPARC_ISA
     ExtMachInst decode_inst = TheISA::makeExtMI(inst, tc);
+#endif
 
     // Create a new DynInst from the instruction fetched.
     DynInstPtr instruction = new DynInst(decode_inst, PC, PC+sizeof(MachInst),