diff options
Diffstat (limited to 'platforms/chibios/atomic_util.h')
| -rw-r--r-- | platforms/chibios/atomic_util.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/platforms/chibios/atomic_util.h b/platforms/chibios/atomic_util.h index 8975045153..234d7fd9f5 100644 --- a/platforms/chibios/atomic_util.h +++ b/platforms/chibios/atomic_util.h @@ -30,8 +30,19 @@ static __inline__ void __interrupt_enable__(const uint8_t *__s) { (void)__s; } -#define ATOMIC_BLOCK(type) for (type, __ToDo = __interrupt_disable__(); __ToDo; __ToDo = 0) -#define ATOMIC_FORCEON uint8_t sreg_save __attribute__((__cleanup__(__interrupt_enable__))) = 0 +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 _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented") +#define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE) #define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON) |