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.

3 files changed, 4 insertions, 2 deletions

diff --git a/src/arch/arm/linux/system.cc b/src/arch/arm/linux/system.cc
index 40658976b..ddf7f19f3 100644
--- a/src/arch/arm/linux/system.cc
+++ b/src/arch/arm/linux/system.cc
@@ -43,8 +43,10 @@
 #include "arch/arm/isa_traits.hh"
 #include "arch/arm/linux/atag.hh"
 #include "arch/arm/linux/system.hh"
+#include "arch/arm/utility.hh"
 #include "base/loader/object_file.hh"
 #include "base/loader/symtab.hh"
+#include "cpu/thread_context.hh"
 #include "mem/physical.hh"
 
 using namespace ArmISA;
@@ -87,7 +89,7 @@ LinuxArmSystem::LinuxArmSystem(Params *p)
     DPRINTF(Loader, "Boot atags was %d bytes in total\n", size << 2);
     DDUMP(Loader, boot_data, size << 2);
 
-    functionalPort.writeBlob(ParamsList, boot_data, size << 2);
+    functionalPort->writeBlob(ParamsList, boot_data, size << 2);
 
 #ifndef NDEBUG
     kernelPanicEvent = addKernelFuncEvent<BreakPCEvent>("panic");
diff --git a/src/arch/arm/stacktrace.cc b/src/arch/arm/stacktrace.cc
index 6b346b0ab..31376cdae 100644
--- a/src/arch/arm/stacktrace.cc
+++ b/src/arch/arm/stacktrace.cc
@@ -37,6 +37,7 @@
 #include "base/trace.hh"
 #include "cpu/base.hh"
 #include "cpu/thread_context.hh"
+#include "mem/vport.hh"
 #include "sim/system.hh"
 
 using namespace std;
diff --git a/src/arch/arm/system.cc b/src/arch/arm/system.cc
index 756f64eb7..f6e265ae4 100644
--- a/src/arch/arm/system.cc
+++ b/src/arch/arm/system.cc
@@ -44,7 +44,6 @@
 #include <iostream>
 
 using namespace std;
-using namespace ArmISA;
 using namespace Linux;
 
 ArmSystem::ArmSystem(Params *p)