cpu, arm: Allow the specification of a socket field

Allow the specification of a socket ID for every core that is reflected in the
MPIDR field in ARM systems.  This allows studying multi-socket / cluster
systems with ARM CPUs.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/cpu/o3/thread_context.hh b/src/cpu/o3/thread_context.hh
index ef72fdb03..a00d2ffa3 100755
--- a/src/cpu/o3/thread_context.hh
+++ b/src/cpu/o3/thread_context.hh
@@ -98,6 +98,9 @@ class O3ThreadContext : public ThreadContext
     /** Reads this CPU's ID. */
     virtual int cpuId() const { return cpu->cpuId(); }
 
+    /** Reads this CPU's Socket ID. */
+    virtual uint32_t socketId() const { return cpu->socketId(); }
+
     virtual int contextId() const { return thread->contextId(); }
 
     virtual void setContextId(int id) { thread->setContextId(id); }