The state transfer code wasn't reading back PSTATE correctly from the CPU prior to updating the thread context and was incorreclty writing the register as a 32-bit value when updating KVM. Correctly read back the state before updating gem5's view of PSTATE and cast the value to a uint64_t. Change-Id: I0a6ff5b77b897c756b20a20f65c420f42386360f Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2963 Reviewed-by: Rahul Thakur <rjthakur@google.com>