diff options
Diffstat (limited to 'platforms')
| -rw-r--r-- | platforms/atomic_util.h | 10 | ||||
| -rw-r--r-- | platforms/chibios/atomic_util.h | 17 |
2 files changed, 21 insertions, 6 deletions
diff --git a/platforms/atomic_util.h b/platforms/atomic_util.h index 2c95302a13..21286d72eb 100644 --- a/platforms/atomic_util.h +++ b/platforms/atomic_util.h @@ -24,9 +24,13 @@ # define ATOMIC_BLOCK _Static_assert(0, "ATOMIC_BLOCK not implemented") # define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented") # define ATOMIC_BLOCK_FORCEON _Static_assert(0, "ATOMIC_BLOCK_FORCEON not implemented") +# define ATOMIC_FORCEON _Static_assert(0, "ATOMIC_FORCEON not implemented") +# define ATOMIC_RESTORESTATE _Static_assert(0, "ATOMIC_RESTORESTATE not implemented") # endif #else /* do nothing atomic macro */ -# define ATOMIC_BLOCK for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0) -# define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK -# define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK +# define ATOMIC_BLOCK(t) for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0) +# define ATOMIC_FORCEON +# define ATOMIC_RESTORESTATE +# define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE) +# define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON) #endif 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) |