Add in Context IDs to the simulator. From now on, cpuId is almost never used,

the primary identifier for a hardware context should be contextId().  The
concept of threads within a CPU remains, in the form of threadId() because
sometimes you need to know which context within a cpu to manipulate.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/cpu/thread_state.hh b/src/cpu/thread_state.hh
index f3f154de3..fdb2ab0ab 100644
--- a/src/cpu/thread_state.hh
+++ b/src/cpu/thread_state.hh
@@ -80,6 +80,10 @@ struct ThreadState {
 
     int cpuId() { return baseCpu->cpuId(); }
 
+    int contextId() { return _contextId; }
+
+    void setContextId(int id) { _contextId = id; }
+
     void setTid(int id) { tid = id; }
 
     int readTid() { return tid; }
@@ -169,6 +173,9 @@ struct ThreadState {
     // Pointer to the base CPU.
     BaseCPU *baseCpu;
 
+    // system wide HW context id
+    int _contextId;
+
     // Index of hardware thread context on the CPU that this represents.
     int tid;