Fix for FS O3CPU compile ... missing forward class declaration/header file after files got split for ISA-independence

src/cpu/o3/alpha/thread_context.hh:
    Use 'this' when accessing cpu
src/cpu/o3/cpu.hh:
    add numActiveThreds function
src/cpu/o3/thread_context.hh:
    forward class declarations
src/cpu/o3/thread_context_impl.hh:
    add quiesce event header file
src/cpu/thread_context.hh:
    add exit() function to thread context (read comments in file)
src/sim/syscall_emul.cc:
    adjust exitFunc syscall

--HG--
extra : convert_revision : 323dc871e2b4f4ee5036be388ceb6634cd85a83e

1 files changed, 4 insertions, 0 deletions

diff --git a/src/cpu/o3/cpu.hh b/src/cpu/o3/cpu.hh
index 2a9ecff4e..1cff6142d 100644
--- a/src/cpu/o3/cpu.hh
+++ b/src/cpu/o3/cpu.hh
@@ -214,6 +214,10 @@ class FullO3CPU : public BaseO3CPU
     /** Initialize the CPU */
     void init();
 
+    /** Returns the Number of Active Threads in the CPU */
+    int numActiveThreads()
+    { return activeThreads.size(); }
+
     /** Add Thread to Active Threads List */
     void activateThread(unsigned int tid);