12 files changed, 13 insertions, 56 deletions
diff --git a/src/arch/alpha/kernel_stats.cc b/src/arch/alpha/kernel_stats.cc
index fed8b09e4..a1ed532d8 100644
--- a/src/arch/alpha/kernel_stats.cc
+++ b/src/arch/alpha/kernel_stats.cc
@@ -50,8 +50,8 @@ namespace Kernel {
 
 const char *modestr[] = { "kernel", "user", "idle" };
 
-Statistics::Statistics(System *system)
-    : ::Kernel::Statistics(system),
+Statistics::Statistics()
+    : ::Kernel::Statistics(),
       idleProcess((Addr)-1), themode(kernel), lastModeTick(0)
 {
 }
diff --git a/src/arch/alpha/kernel_stats.hh b/src/arch/alpha/kernel_stats.hh
index 06d20e6fa..3b2b5a0c0 100644
--- a/src/arch/alpha/kernel_stats.hh
+++ b/src/arch/alpha/kernel_stats.hh
@@ -40,11 +40,7 @@
 #include "cpu/static_inst.hh"
 #include "kern/kernel_stats.hh"
 
-class BaseCPU;
 class ThreadContext;
-class FnEvent;
-// What does kernel stats expect is included?
-class System;
 
 namespace AlphaISA {
 namespace Kernel {
@@ -73,7 +69,7 @@ class Statistics : public ::Kernel::Statistics
     Stats::Scalar _swap_context;
 
   public:
-    Statistics(System *system);
+    Statistics();
 
     void regStats(const std::string &name);
 
diff --git a/src/arch/arm/kernel_stats.hh b/src/arch/arm/kernel_stats.hh
index be5c25bd5..dd184f805 100644
--- a/src/arch/arm/kernel_stats.hh
+++ b/src/arch/arm/kernel_stats.hh
@@ -31,23 +31,15 @@
 #ifndef __ARCH_ARM_KERNEL_STATS_HH__
 #define __ARCH_ARM_KERNEL_STATS_HH__
 
-#include <map>
-#include <stack>
-#include <string>
-#include <vector>
-
 #include "kern/kernel_stats.hh"
 
 namespace ArmISA {
 namespace Kernel {
 
-enum cpu_mode { hypervisor, kernel, user, idle, cpu_mode_num };
-extern const char *modestr[];
-
 class Statistics : public ::Kernel::Statistics
 {
   public:
-    Statistics(System *system) : ::Kernel::Statistics(system)
+    Statistics() : ::Kernel::Statistics()
     {}
 };
 
diff --git a/src/arch/mips/kernel_stats.hh b/src/arch/mips/kernel_stats.hh
index 5cf6087c8..abb964a71 100644
--- a/src/arch/mips/kernel_stats.hh
+++ b/src/arch/mips/kernel_stats.hh
@@ -37,17 +37,13 @@
 namespace MipsISA {
 namespace Kernel {
 
-enum cpu_mode { kernel, user, idle, cpu_mode_num };
-extern const char *modestr[];
-
 class Statistics : public ::Kernel::Statistics
 {
   public:
-    Statistics(System *system) : ::Kernel::Statistics(system)
+    Statistics() : ::Kernel::Statistics()
     {}
 };
 
-
 } // namespace MipsISA::Kernel
 } // namespace MipsISA
 
diff --git a/src/arch/power/kernel_stats.hh b/src/arch/power/kernel_stats.hh
index b4d9a69b6..1ae77d910 100644
--- a/src/arch/power/kernel_stats.hh
+++ b/src/arch/power/kernel_stats.hh
@@ -36,13 +36,10 @@
 namespace PowerISA {
 namespace Kernel {
 
-enum cpu_mode { hypervisor, kernel, user, idle, cpu_mode_num };
-extern const char *modestr[];
-
 class Statistics : public ::Kernel::Statistics
 {
   public:
-    Statistics(System *system) : ::Kernel::Statistics(system)
+    Statistics() : ::Kernel::Statistics()
     {}
 };
 
diff --git a/src/arch/riscv/kernel_stats.hh b/src/arch/riscv/kernel_stats.hh
index 6cb6ed068..a796075f5 100644
--- a/src/arch/riscv/kernel_stats.hh
+++ b/src/arch/riscv/kernel_stats.hh
@@ -37,17 +37,13 @@
 namespace RiscvISA {
 namespace Kernel {
 
-enum cpu_mode { kernel, user, idle, cpu_mode_num };
-extern const char *modestr[];
-
 class Statistics : public ::Kernel::Statistics
 {
   public:
-    Statistics(System *system) : ::Kernel::Statistics(system)
+    Statistics() : ::Kernel::Statistics()
     {}
 };
 
-
 } // namespace RiscvISA::Kernel
 } // namespace RiscvISA
 
diff --git a/src/arch/sparc/kernel_stats.hh b/src/arch/sparc/kernel_stats.hh
index 3d4c677a0..9c13e520a 100644
--- a/src/arch/sparc/kernel_stats.hh
+++ b/src/arch/sparc/kernel_stats.hh
@@ -41,13 +41,10 @@
 namespace SparcISA {
 namespace Kernel {
 
-enum cpu_mode { hypervisor, kernel, user, idle, cpu_mode_num };
-extern const char *modestr[];
-
 class Statistics : public ::Kernel::Statistics
 {
   public:
-    Statistics(System *system) : ::Kernel::Statistics(system)
+    Statistics() : ::Kernel::Statistics()
     {}
 };
 
diff --git a/src/arch/x86/kernel_stats.hh b/src/arch/x86/kernel_stats.hh
index e5b9a0c95..1a821a0e9 100644
--- a/src/arch/x86/kernel_stats.hh
+++ b/src/arch/x86/kernel_stats.hh
@@ -45,24 +45,10 @@
 namespace X86ISA {
 namespace Kernel {
 
-enum cpu_mode {
-    ring0,
-    ring1,
-    ring2,
-    ring3,
-    kernel = ring0,
-    user = ring3,
-    idle,
-    //What is this next one for?
-    cpu_mode_num
-};
-
-extern const char *modestr[];
-
 class Statistics : public ::Kernel::Statistics
 {
   public:
-    Statistics(System * system) : ::Kernel::Statistics(system)
+    Statistics() : ::Kernel::Statistics()
     {}
 };
 
diff --git a/src/cpu/o3/thread_context_impl.hh b/src/cpu/o3/thread_context_impl.hh
index 2d109aea9..fdaa35134 100755
--- a/src/cpu/o3/thread_context_impl.hh
+++ b/src/cpu/o3/thread_context_impl.hh
@@ -134,7 +134,7 @@ void
 O3ThreadContext<Impl>::regStats(const std::string &name)
 {
     if (FullSystem) {
-        thread->kernelStats = new TheISA::Kernel::Statistics(cpu->system);
+        thread->kernelStats = new TheISA::Kernel::Statistics();
         thread->kernelStats->regStats(name + ".kern");
     }
 }
diff --git a/src/cpu/simple_thread.cc b/src/cpu/simple_thread.cc
index 7c3568cb3..c775983f8 100644
--- a/src/cpu/simple_thread.cc
+++ b/src/cpu/simple_thread.cc
@@ -100,7 +100,7 @@ SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys,
     profilePC = 3;
 
     if (use_kernel_stats)
-        kernelStats = new TheISA::Kernel::Statistics(system);
+        kernelStats = new TheISA::Kernel::Statistics();
 }
 
 SimpleThread::~SimpleThread()
diff --git a/src/kern/kernel_stats.cc b/src/kern/kernel_stats.cc
index f7f57af29..37677c1fc 100644
--- a/src/kern/kernel_stats.cc
+++ b/src/kern/kernel_stats.cc
@@ -41,7 +41,7 @@ using namespace Stats;
 
 namespace Kernel {
 
-Statistics::Statistics(System *system)
+Statistics::Statistics()
     : iplLast(0), iplLastTick(0)
 {
 }
diff --git a/src/kern/kernel_stats.hh b/src/kern/kernel_stats.hh
index efaf70611..d516baaec 100644
--- a/src/kern/kernel_stats.hh
+++ b/src/kern/kernel_stats.hh
@@ -34,13 +34,10 @@
 
 #include <string>
 
-#include "config/the_isa.hh"
 #include "sim/serialize.hh"
 #include "sim/stats.hh"
 
 // What does kernel stats expect is included?
-class System;
-
 namespace Kernel {
 
 class Statistics : public Serializable
@@ -63,7 +60,7 @@ class Statistics : public Serializable
     Tick iplLastTick;
 
   public:
-    Statistics(System *system);
+    Statistics();
     virtual ~Statistics() {}
 
     const std::string name() const { return myname; }