f04019c3c6
Since we now have a much larger KVA on powerpc64, it's possible to get SLB traps earlier in boot, possibly even before the HIOR is properly configured for us. Move the HIOR setup to immediately after reset, so that we use our exception handlers instead of Open Firmware's. PR: 233863 Submitted by: Mark Millard (partial) Reported by: Mark Millard MFC after: 2 weeks