cpu: Make CPU and ThreadContext getters const

This patch merely tidies up the CPU and ThreadContext getters by
making them const where appropriate.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/cpu/inorder/thread_context.hh b/src/cpu/inorder/thread_context.hh
index b1a361027..96ec063c8 100644
--- a/src/cpu/inorder/thread_context.hh
+++ b/src/cpu/inorder/thread_context.hh
@@ -111,14 +111,14 @@ class InOrderThreadContext : public ThreadContext
     std::string getCpuName() { return cpu->name(); }
 
     /** Reads this CPU's ID. */
-    int cpuId() { return cpu->cpuId(); }
+    int cpuId() const { return cpu->cpuId(); }
 
-    int contextId() { return thread->contextId(); }
+    int contextId() const { return thread->contextId(); }
 
     void setContextId(int id) { thread->setContextId(id); }
 
     /** Returns this thread's ID number. */
-    int threadId() { return thread->threadId(); }
+    int threadId() const { return thread->threadId(); }
     void setThreadId(int id) { return thread->setThreadId(id); }
 
     uint64_t readMicroPC()