Internals under other sections:
gem5 memory system
gem5 trace internals
gem5 checkpoint internals
gem5 graphic mode internals
gem5 Eclipse configuration
gem5 Python C++ interaction
gem5 entry point
gem5 event queue
gem5 instruction definitions
gem5 <code>ThreadContext</code> vs <code>ThreadState</code> vs <code>ExecContext</code> vs <code>Process</code>
gem5 functional units
gem5 code generation
gem5 build system