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/* Copyright 2021 QMK
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <ch.h>
static __inline__ uint8_t __interrupt_disable__(void) {
chSysLock();
return 1;
}
static __inline__ void __interrupt_enable__(const uint8_t *__s) {
chSysUnlock();
__asm__ volatile("" ::: "memory");
(void)__s;
}
static __inline__ syssts_t __interrupt_lock__(void) {
return chSysGetStatusAndLockX();
}
static __inline__ void __interrupt_unlock__(const syssts_t *__s) {
chSysRestoreStatusX(*__s);
__asm__ volatile("" ::: "memory");
}
#define ATOMIC_BLOCK(type) for (type, __ToDo = 1; __ToDo; __ToDo = 0)
#define ATOMIC_FORCEON uint8_t status_save __attribute__((__cleanup__(__interrupt_enable__))) = __interrupt_disable__()
#define ATOMIC_RESTORESTATE syssts_t status_save __attribute__((__cleanup__(__interrupt_unlock__))) = __interrupt_lock__()
#define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
#define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)
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