| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| |
| .text |
| .global smp_processor_id |
| smp_processor_id: |
| /* Core 0 and 1 are encoded in the Aff0 (7:0) field of MPIDR_EL1. */ |
| mrs x0, mpidr_el1 |
| uxtb w0, w0 |
| ret |