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			49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2021 QMK
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation, either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| #pragma once
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| 
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| #include <ch.h>
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| 
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| static __inline__ uint8_t __interrupt_disable__(void) {
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|     chSysLock();
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| 
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|     return 1;
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| }
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| 
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| static __inline__ void __interrupt_enable__(const uint8_t *__s) {
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|     chSysUnlock();
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| 
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|     __asm__ volatile("" ::: "memory");
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|     (void)__s;
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| }
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| 
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| static __inline__ syssts_t __interrupt_lock__(void) {
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|     return chSysGetStatusAndLockX();
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| }
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| 
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| static __inline__ void __interrupt_unlock__(const syssts_t *__s) {
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|     chSysRestoreStatusX(*__s);
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| 
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|     __asm__ volatile("" ::: "memory");
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| }
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| 
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| #define ATOMIC_BLOCK(type) for (type, __ToDo = 1; __ToDo; __ToDo = 0)
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| #define ATOMIC_FORCEON uint8_t status_save __attribute__((__cleanup__(__interrupt_enable__))) = __interrupt_disable__()
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| #define ATOMIC_RESTORESTATE syssts_t status_save __attribute__((__cleanup__(__interrupt_unlock__))) = __interrupt_lock__()
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| 
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| #define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
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| #define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON)
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