simtrace2/firmware/libcommon/include/utils.h

31 lines
887 B
C

/* 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