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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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