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

[gem5.git] / src / cpu / memtest / memtest.hh

diff --git a/src/cpu/memtest/memtest.hh b/src/cpu/memtest/memtest.hh
index 123ee2a6cc386b7b4681dcc59aec1f488bf5f83e..bb71da355dc9b750350df61965119ac4ea6173c0 100644 (file)
--- a/src/cpu/memtest/memtest.hh
+++ b/src/cpu/memtest/memtest.hh
@@ -35,8 +35,8 @@
 #include <set>
 
 #include "base/statistics.hh"
-//#include "mem/functional/functional.hh"
-//#include "mem/mem_interface.hh"
+#include "base/fast_alloc.hh"
+#include "params/MemTest.hh"
 #include "sim/eventq.hh"
 #include "sim/sim_exit.hh"
 #include "sim/sim_object.hh"
@@ -48,50 +48,43 @@ class Packet;
 class MemTest : public MemObject
 {
   public:
-
-    MemTest(const std::string &name,
-//         MemInterface *_cache_interface,
-//         PhysicalMemory *main_mem,
-//         PhysicalMemory *check_mem,
-            unsigned _memorySize,
-            unsigned _percentReads,
-            unsigned _percentFunctional,
-            unsigned _percentUncacheable,
-            unsigned _progressInterval,
-            unsigned _percentSourceUnaligned,
-            unsigned _percentDestUnaligned,
-            Addr _traceAddr,
-            Counter _max_loads,
-            bool _atomic);
+    typedef MemTestParams Params;
+    MemTest(const Params *p);
 
     virtual void init();
 
     // register statistics
     virtual void regStats();
 
-    inline Tick cycles(int numCycles) const { return numCycles; }
+    inline Tick ticks(int numCycles) const { return numCycles; }
 
     // main simulation loop (one cycle)
     void tick();
 
     virtual Port *getPort(const std::string &if_name, int idx = -1);
 
+    /**
+     * Print state of address in memory system via PrintReq (for
+     * debugging).
+     */
+    void printAddr(Addr a);
+
   protected:
     class TickEvent : public Event
     {
       private:
         MemTest *cpu;
+
       public:
-        TickEvent(MemTest *c)
-            : Event(&mainEventQueue, CPU_Tick_Pri), cpu(c) {}
-        void process() {cpu->tick();}
-        virtual const char *description() { return "tick event"; }
+        TickEvent(MemTest *c) : Event(CPU_Tick_Pri), cpu(c) {}
+        void process() { cpu->tick(); }
+        virtual const char *description() const { return "MemTest tick"; }
     };
 
     TickEvent tickEvent;
+
     class CpuPort : public Port
     {
-
         MemTest *memtest;
 
       public:
@@ -116,7 +109,7 @@ class MemTest : public MemObject
 
         virtual void getDeviceAddressRanges(AddrRangeList &resp,
                                             bool &snoop)
-        { resp.clear(); snoop = true; }
+        { resp.clear(); snoop = false; }
     };
 
     CpuPort cachePort;
@@ -124,7 +117,7 @@ class MemTest : public MemObject
 
     bool snoopRangeSent;
 
-    class MemTestSenderState : public Packet::SenderState
+    class MemTestSenderState : public Packet::SenderState, public FastAlloc
     {
       public:
         /** Constructor. */
@@ -136,21 +129,23 @@ class MemTest : public MemObject
         uint8_t *data;
     };
 
-//    Request *dataReq;
     PacketPtr retryPkt;
-//    MemInterface *cacheInterface;
-//    PhysicalMemory *mainMem;
-//    PhysicalMemory *checkMem;
-//    SimpleThread *thread;
 
     bool accessRetry;
+    
+    //
+    // The dmaOustanding flag enforces only one dma at a time
+    //
+    bool dmaOutstanding;
 
-    unsigned size;             // size of testing memory region
+    unsigned size;              // size of testing memory region
 
-    unsigned percentReads;     // target percentage of read accesses
-    unsigned percentFunctional;        // target percentage of functional accesses
+    unsigned percentReads;      // target percentage of read accesses
+    unsigned percentFunctional; // target percentage of functional accesses
     unsigned percentUncacheable;
 
+    bool issueDmas;
+
     int id;
 
     std::set<unsigned> outstandingAddrs;
@@ -166,12 +161,12 @@ class MemTest : public MemObject
 
     Addr traceBlockAddr;
 
-    Addr baseAddr1;            // fix this to option
-    Addr baseAddr2;            // fix this to option
+    Addr baseAddr1;             // fix this to option
+    Addr baseAddr2;             // fix this to option
     Addr uncacheAddr;
 
-    unsigned progressInterval; // frequency of progress reports
-    Tick nextProgressMessage;  // access # for next progress report
+    unsigned progressInterval;  // frequency of progress reports
+    Tick nextProgressMessage;   // access # for next progress report
 
     unsigned percentSourceUnaligned;
     unsigned percentDestUnaligned;
@@ -183,9 +178,9 @@ class MemTest : public MemObject
 
     bool atomic;
 
-    Stats::Scalar<> numReadsStat;
-    Stats::Scalar<> numWritesStat;
-    Stats::Scalar<> numCopiesStat;
+    Stats::Scalar numReadsStat;
+    Stats::Scalar numWritesStat;
+    Stats::Scalar numCopiesStat;
 
     // called by MemCompleteEvent::process()
     void completeRequest(PacketPtr pkt);