diff options
| -rw-r--r-- | src/cpu/checker/thread_context.hh (renamed from src/cpu/checker/exec_context.hh) | 0 | ||||
| -rw-r--r-- | src/cpu/thread_context.hh | 12 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/cpu/checker/exec_context.hh b/src/cpu/checker/thread_context.hh index 48890584d..48890584d 100644 --- a/src/cpu/checker/exec_context.hh +++ b/src/cpu/checker/thread_context.hh diff --git a/src/cpu/thread_context.hh b/src/cpu/thread_context.hh index ac2b44ba8..e3bb7d9c3 100644 --- a/src/cpu/thread_context.hh +++ b/src/cpu/thread_context.hh @@ -65,7 +65,7 @@ namespace Kernel { * The ThreadContext is slightly different than the ExecContext. The * ThreadContext provides access to an individual thread's state; an * ExecContext provides ISA access to the CPU (meaning it is - * implicitly multithreaded on MT systems). Additionally the + * implicitly multithreaded on SMT systems). Additionally the * ThreadState is an abstract class that exactly defines the * interface; the ExecContext is a more implicit interface that must * be implemented so that the ISA can access whatever state it needs. @@ -254,6 +254,16 @@ class ThreadContext RegFile::ContextVal val) = 0; }; +/** + * ProxyThreadContext class that provides a way to implement a + * ThreadContext without having to derive from it. ThreadContext is an + * abstract class, so anything that derives from it and uses its + * interface will pay the overhead of virtual function calls. This + * class is created to enable a user-defined Thread object to be used + * wherever ThreadContexts are used, without paying the overhead of + * virtual function calls when it is used by itself. See + * simple_thread.hh for an example of this. + */ template <class TC> class ProxyThreadContext : public ThreadContext { |