Changes to start making the tree use the new memory system. Trying to compile decoder.cc but fails still.

SConscript:
    Place the memory objects back in the right place
arch/alpha/isa_desc:
    Fix includes to point to the new memory requests
cpu/exec_context.hh:
    Exec context now points to memory object, fix the include paths.
    Convert to prot_read/prot_write functions instead of read and write.
    Convert to new CpuRequestPtr instead of MemReqPtr.
mem/request.hh:
    Add back in support for Request Flags (needed by decoder to tag request) Removed the flags that were associated with packets/coherence.
sim/process.hh:
    Converted to point to new memory objects

--HG--
extra : convert_revision : a0b95380915d63b53194e2a26336d6adb1a0086b

SConscript

@@ -44,11 +44,6 @@ Import('env')
 
 # Base sources used by all configurations.
 base_sources = Split('''
-        mem/memory.cc
-        mem/page_table.cc
-        mem/physical.cc
-        mem/proxy.cc
-
 	arch/alpha/decoder.cc
         arch/alpha/alpha_o3_exec.cc
 	arch/alpha/fast_cpu_exec.cc
@@ -131,6 +126,11 @@ base_sources = Split('''
 
 	encumbered/mem/functional/main.cc
 
+        mem/memory.cc
+        mem/page_table.cc
+        mem/physical.cc
+        mem/proxy.cc
+
         python/pyconfig.cc
         python/embedded_py.cc
 

arch/alpha/isa_desc

@@ -47,7 +47,7 @@ output header {{
 
 #include "config/ss_compatible_fp.hh"
 #include "cpu/static_inst.hh"
-#include "mem/mem_req.hh"  // some constructors use MemReq flags
+#include "mem/request.hh"  // some constructors use MemReq flags
 }};
 
 output decoder {{

cpu/exec_context.hh

@@ -30,14 +30,13 @@
 #define __CPU_EXEC_CONTEXT_HH__
 
 #include "config/full_system.hh"
-#include "mem/functional/functional.hh"
-#include "mem/mem_interface.hh"
-#include "mem/mem_req.hh"
+#include "mem/physical.hh"
+#include "mem/request.hh"
 #include "sim/host.hh"
 #include "sim/serialize.hh"
 #include "targetarch/byte_swap.hh"
 
-class PhysicalMemory;
+class Memory;
 class BaseCPU;
 
 #if FULL_SYSTEM
@@ -123,7 +122,7 @@ class ExecContext
     int cpu_id;
 
     System *system;
-    FunctionalMemory *mem;
+    Memory *mem;
 
 #if FULL_SYSTEM
     AlphaITB *itb;
@@ -133,7 +132,7 @@ class ExecContext
     // look them up through the system pointer, but we'll leave them
     // here for now for convenience
     MemoryController *memctrl;
-    PhysicalMemory *physmem;
+//    PhysicalMemory *physmem;
 
     Kernel::Binning *kernelBinning;
     Kernel::Statistics *kernelStats;
@@ -185,7 +184,7 @@ class ExecContext
                 AlphaITB *_itb, AlphaDTB *_dtb, FunctionalMemory *_dem);
 #else
     ExecContext(BaseCPU *_cpu, int _thread_num, System *_system,
-                FunctionalMemory *_mem, Process *_process, int _asid);
+                Memory *_mem, Process *_process, int _asid);
 #endif
     virtual ~ExecContext();
 
@@ -202,17 +201,17 @@ class ExecContext
     int getInstAsid() { return regs.instAsid(); }
     int getDataAsid() { return regs.dataAsid(); }
 
-    Fault translateInstReq(MemReqPtr &req)
+    Fault translateInstReq(CpuRequestPtr &req)
     {
         return itb->translate(req);
     }
 
-    Fault translateDataReadReq(MemReqPtr &req)
+    Fault translateDataReadReq(CpuRequestPtr &req)
     {
         return dtb->translate(req, false);
     }
 
-    Fault translateDataWriteReq(MemReqPtr &req)
+    Fault translateDataWriteReq(CpuRequestPtr &req)
     {
         return dtb->translate(req, true);
     }
@@ -227,17 +226,17 @@ class ExecContext
     int getInstAsid() { return asid; }
     int getDataAsid() { return asid; }
 
-    Fault translateInstReq(MemReqPtr &req)
+    Fault translateInstReq(CpuRequestPtr &req)
     {
         return process->pTable->translate(req);
     }
 
-    Fault translateDataReadReq(MemReqPtr &req)
+    Fault translateDataReadReq(CpuRequestPtr &req)
     {
         return process->pTable->translate(req);
     }
 
-    Fault translateDataWriteReq(MemReqPtr &req)
+    Fault translateDataWriteReq(CpuRequestPtr &req)
     {
         return process->pTable->translate(req);
     }
@@ -245,7 +244,7 @@ class ExecContext
 #endif
 
     template <class T>
-    Fault read(MemReqPtr &req, T &data)
+    Fault read(CpuRequestPtr &req, T &data)
     {
 #if FULL_SYSTEM && defined(TARGET_ALPHA)
         if (req->flags & LOCKED) {
@@ -256,13 +255,13 @@ class ExecContext
 #endif
 
         Fault error;
-        error = mem->read(req, data);
+        error = mem->prot_read(req->paddr, data, req->size);
         data = gtoh(data);
         return error;
     }
 
     template <class T>
-    Fault write(MemReqPtr &req, T &data)
+    Fault write(CpuRequestPtr &req, T &data)
     {
 #if FULL_SYSTEM && defined(TARGET_ALPHA)
 
@@ -307,7 +306,7 @@ class ExecContext
         }
 
 #endif
-        return mem->write(req, (T)htog(data));
+        return mem->prot_write(req->paddr, (T)htog(data), req->size);
     }
 
     virtual bool misspeculating();
@@ -320,7 +319,7 @@ class ExecContext
         inst = new_inst;
     }
 
-    Fault instRead(MemReqPtr &req)
+    Fault instRead(CpuRequestPtr &req)
     {
         panic("instRead not implemented");
         // return funcPhysMem->read(req, inst);

mem/request.hh

@@ -42,6 +42,19 @@ class CpuRequest;
 typedef Request* RequestPtr;
 typedef CpuRequest* CpuRequestPtr;
 
+/** The request is a Load locked/store conditional. */
+const unsigned LOCKED		= 0x001;
+/** The virtual address is also the physical address. */
+const unsigned PHYSICAL		= 0x002;
+/** The request is an ALPHA VPTE pal access (hw_ld). */
+const unsigned VPTE		= 0x004;
+/** Use the alternate mode bits in ALPHA. */
+const unsigned ALTMODE		= 0x008;
+/** The request is to an uncacheable address. */
+const unsigned UNCACHEABLE	= 0x010;
+/** The request should not cause a page fault. */
+const unsigned NO_FAULT         = 0x020;
+
 class Request
 {
     //@todo Make Accesor functions, make these private.
@@ -60,6 +73,8 @@ class Request
 
     /** Destination address if this is a block copy. */
     Addr copyDest;
+
+    uint32_t flags;
 };
 
 class CpuRequest : public Request

sim/process.hh

@@ -42,15 +42,15 @@
 
 #include "base/statistics.hh"
 #include "base/trace.hh"
-#include "mem/base_mem.hh"
-#include "mem/mem_interface.hh"
+#include "mem/memory.hh"
+//#include "mem/mem_interface.hh"
 #include "mem/page_table.hh"
 #include "sim/sim_object.hh"
 #include "sim/stats.hh"
 #include "targetarch/isa_traits.hh"
 
 class ExecContext;
-class FunctionalMemory;
+class Memory;
 class System;
 
 class Process : public SimObject
@@ -128,7 +128,7 @@ class Process : public SimObject
 
   protected:
     /// Memory object for initialization (image loading)
-    FunctionalMemory *initVirtMem;
+    Memory *initVirtMem;
 
   public:
     PageTable *pTable;