| /* General utilities |
| * |
| * 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; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
| */ |
| #pragma once |
| |
| #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
| |
| #ifdef __ARM |
| #define local_irq_save(x) \ |
| ({ \ |
| x = __get_PRIMASK(); \ |
| __disable_irq(); \ |
| }) |
| |
| #define local_irq_restore(x) \ |
| __set_PRIMASK(x) |
| #else |
| #warning "local_irq_{save,restore}() not implemented" |
| #define local_irq_save(x) |
| #define local_irq_restore(x) |
| #endif |