| /* |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <arch/asm.h> |
| |
| ENTRY(__wait_for_spin_table_request) |
| /* Entry here is in EL2 with the magic address in x0. */ |
| mov x28, x0 |
| 1: |
| ldr x27, [x28] |
| cmp x27, xzr |
| b.ne 2f |
| wfe |
| b 1b |
| 2: |
| /* Entry into the kernel. */ |
| mov x0, xzr |
| mov x1, xzr |
| mov x2, xzr |
| mov x3, xzr |
| br x27 |
| ENDPROC(__wait_for_spin_table_request) |