This patch initializes thread pointer register to Thread Local Storage (TLS)'s pointer given to a clone system call. Change-Id: I03e2cf4763e6a0ed31f357772a513a05e1e3461b Reviewed-on: https://gem5-review.googlesource.com/c/9622 Reviewed-by: Brandon Potter <Brandon.Potter@amd.com> Maintainer: Brandon Potter <Brandon.Potter@amd.com>