/* 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. */ #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