This is a reduced model of the FVP Base platforms Power Controller. As of now it allows the following functions from software: - Checking for core presence - Reporting the power state of a core / cluster - Explicitly powering off a core on WFI - Explicitly powering off cores in a CPU cluster on WFI - Explicitly powering on a core through writes to PPONR register Change-Id: Ia1d4d3ae8e4bfb2d23b2c6077396a4d8500e2e30 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/26463 Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>