From 0ea794bcf453093f83c21a56333d78ba1b8dae33 Mon Sep 17 00:00:00 2001
From: Ali Saidi <Ali.Saidi@ARM.com>
Date: Mon, 8 Nov 2010 13:58:22 -0600
Subject: sim: Use forward declarations for ports.

Virtual ports need TLB data which means anything touching a file in the arch
directory rebuilds any file that includes system.hh which in everything.
---
 src/sim/system.cc | 15 ++++++++-------
 src/sim/system.hh |  7 ++++---
 2 files changed, 12 insertions(+), 10 deletions(-)

(limited to 'src/sim')

diff --git a/src/sim/system.cc b/src/sim/system.cc
index 45e06616d..6ed6b8e42 100644
--- a/src/sim/system.cc
+++ b/src/sim/system.cc
@@ -49,6 +49,7 @@
 #if FULL_SYSTEM
 #include "arch/vtophys.hh"
 #include "kern/kernel_stats.hh"
+#include "mem/vport.hh"
 #else
 #include "params/System.hh"
 #endif
@@ -64,8 +65,6 @@ System::System(Params *p)
     : SimObject(p), physmem(p->physmem), _numContexts(0),
 #if FULL_SYSTEM
       init_param(p->init_param),
-      functionalPort(p->name + "-fport"),
-      virtPort(p->name + "-vport"),
       loadAddrMask(p->load_addr_mask),
 #else
       page_ptr(0),
@@ -86,13 +85,15 @@ System::System(Params *p)
      * Get a functional port to memory
      */
     Port *mem_port;
+    functionalPort = new FunctionalPort(name() + "-fport");
     mem_port = physmem->getPort("functional");
-    functionalPort.setPeer(mem_port);
-    mem_port->setPeer(&functionalPort);
+    functionalPort->setPeer(mem_port);
+    mem_port->setPeer(functionalPort);
 
+    virtPort = new VirtualPort(name() + "-fport");
     mem_port = physmem->getPort("functional");
-    virtPort.setPeer(mem_port);
-    mem_port->setPeer(&virtPort);
+    virtPort->setPeer(mem_port);
+    mem_port->setPeer(virtPort);
 
 
     /**
@@ -110,7 +111,7 @@ System::System(Params *p)
             fatal("Could not load kernel file %s", params()->kernel);
 
         // Load program sections into memory
-        kernel->loadSections(&functionalPort, loadAddrMask);
+        kernel->loadSections(functionalPort, loadAddrMask);
 
         // setup entry points
         kernelStart = kernel->textBase();
diff --git a/src/sim/system.hh b/src/sim/system.hh
index cc92bba09..11a4b007a 100644
--- a/src/sim/system.hh
+++ b/src/sim/system.hh
@@ -48,7 +48,6 @@
 
 #if FULL_SYSTEM
 #include "kern/system_events.hh"
-#include "mem/vport.hh"
 #endif
 
 class BaseCPU;
@@ -58,6 +57,8 @@ class PhysicalMemory;
 
 #if FULL_SYSTEM
 class Platform;
+class FunctionalPort;
+class VirtualPort;
 #endif
 class GDBListener;
 class BaseRemoteGDB;
@@ -108,8 +109,8 @@ class System : public SimObject
 
     /** Port to physical memory used for writing object files into ram at
      * boot.*/
-    FunctionalPort functionalPort;
-    VirtualPort virtPort;
+    FunctionalPort *functionalPort;
+    VirtualPort *virtPort;
 
     /** kernel symbol table */
     SymbolTable *kernelSymtab;
-- 
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