Recently the CHI protocol was introduced in Ruby. The protocol introduces an alternative interface for functional reads: bool functionalRead(PacketPtr, WriteMask&) This commit adds functionalRead(PacketPtr, WriteMask&) implementations for various Garnet components. Change-Id: Idd571899d679407b7b000c1a83a0a5420868cf28 Signed-off-by: Carlos Falquez <c.falquez@fz-juelich.de> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/46900 Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Reviewed-by: Tiago Muck <tiago.muck@arm.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>