By pulling the code out, this code can be tested by unit tests. Change-Id: I2d0510995d3e97d721f1de3024120f0c90b7a5ba Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/27547 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Gabe Black <gabeblack@google.com> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Maintainer: Gabe Black <gabeblack@google.com>