There are some flags in gem5 Packet class to specifying the control signals, like priv bit, secure bit, etc. For now we don't have the corresponding way to bridge the information in gem5 and SystemC. The control extension would be responsible for control signals. Change-Id: I35ba8610210e0750917a78fa0adb321991968f6a Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59649 Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Gabe Black <gabe.black@gmail.com> Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu> Reviewed-by: Gabe Black <gabe.black@gmail.com>