diff options
Diffstat (limited to 'cpukit/score/include/rtems/score/todimpl.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/todimpl.h | 135 |
1 files changed, 59 insertions, 76 deletions
diff --git a/cpukit/score/include/rtems/score/todimpl.h b/cpukit/score/include/rtems/score/todimpl.h index ad5ed39dab..56c176d920 100644 --- a/cpukit/score/include/rtems/score/todimpl.h +++ b/cpukit/score/include/rtems/score/todimpl.h @@ -19,8 +19,8 @@ #define _RTEMS_SCORE_TODIMPL_H #include <rtems/score/tod.h> -#include <rtems/score/isrlock.h> #include <rtems/score/timestamp.h> +#include <rtems/score/timecounterimpl.h> #include <sys/time.h> #include <time.h> @@ -131,25 +131,6 @@ extern "C" { */ typedef struct { /** - * @brief Current time of day value. - * - * This field is protected by the lock. - */ - Timestamp_Control now; - - /** - * @brief System uptime. - * - * This field is protected by the lock. - */ - Timestamp_Control uptime; - - /** - * @brief Lock to protect the now and uptime fields. - */ - ISR_lock_Control lock; - - /** * @brief Time of day seconds trigger. * * This value specifies the nanoseconds since the last time of day second. @@ -159,13 +140,6 @@ typedef struct { uint32_t seconds_trigger; /** - * @brief The current nanoseconds since last tick handler. - * - * This field must not be NULL after initialization. - */ - TOD_Nanoseconds_since_last_tick_routine nanoseconds_since_last_tick; - - /** * @brief Indicates if the time of day is set. * * This is true if the application has set the current @@ -176,12 +150,6 @@ typedef struct { SCORE_EXTERN TOD_Control _TOD; -#define _TOD_Acquire( _tod, lock_context ) \ - _ISR_lock_ISR_disable_and_acquire( &( _tod )->lock, lock_context ) - -#define _TOD_Release( _tod, lock_context ) \ - _ISR_lock_Release_and_ISR_enable( &( _tod )->lock, lock_context ) - /** * @brief Initializes the time of day handler. * @@ -201,6 +169,18 @@ void _TOD_Set_with_timestamp( const Timestamp_Control *tod_as_timestamp ); +/** + * @brief Sets the time of day from timespec. + * + * The @a tod_as_timestamp timestamp represents the time since UNIX epoch. + * The watchdog seconds chain will be adjusted. + * + * In the process the input given as timespec will be transformed to FreeBSD + * bintime format to guarantee the right format for later setting it with a + * timestamp. + * + * @param[in] tod_as_timespec is the constant of the time of day as a timespec + */ static inline void _TOD_Set( const struct timespec *tod_as_timespec ) @@ -216,31 +196,27 @@ static inline void _TOD_Set( } /** - * @brief Returns a snapshot of a clock. - * - * This function invokes the nanoseconds extension. + * @brief Gets the current time in the bintime format. * - * @param[out] snapshot points to an area that will contain the current - * TOD plus the BSP nanoseconds since last tick adjustment - * @param[in] clock contains the current TOD - * - * @retval @a snapshot + * @param[out] time is the value gathered by the bintime request */ -Timestamp_Control *_TOD_Get_with_nanoseconds( - Timestamp_Control *snapshot, - const Timestamp_Control *clock -); - static inline void _TOD_Get( - struct timespec *tod_as_timespec + Timestamp_Control *time ) { - Timestamp_Control tod_as_timestamp; - Timestamp_Control *tod_as_timestamp_ptr; + _Timecounter_Bintime(time); +} - tod_as_timestamp_ptr = - _TOD_Get_with_nanoseconds( &tod_as_timestamp, &_TOD.now ); - _Timestamp_To_timespec( tod_as_timestamp_ptr, tod_as_timespec ); +/** + * @brief Gets the current time in the timespec format. + * + * @param[out] time is the value gathered by the nanotime request + */ +static inline void _TOD_Get_as_timespec( + struct timespec *time +) +{ + _Timecounter_Nanotime(time); } /** @@ -249,26 +225,47 @@ static inline void _TOD_Get( * This routine returns the system uptime with potential accuracy * to the nanosecond. * + * The initial uptime value is undefined. + * * @param[in] time is a pointer to the uptime to be returned */ static inline void _TOD_Get_uptime( Timestamp_Control *time ) { - _TOD_Get_with_nanoseconds( time, &_TOD.uptime ); + _Timecounter_Binuptime( time ); } /** * @brief Gets the system uptime with potential accuracy to the nanosecond. - * - * This routine returns the system uptime with potential accuracy * to the nanosecond. * + * The initial uptime value is zero. + * + * @param[in] time is a pointer to the uptime to be returned + */ +static inline void _TOD_Get_zero_based_uptime( + Timestamp_Control *time +) +{ + _Timecounter_Binuptime( time ); + --time->sec; +} + +/** + * @brief Gets the system uptime with potential accuracy to the nanosecond. + * + * The initial uptime value is zero. + * * @param[in] time is a pointer to the uptime to be returned */ -void _TOD_Get_uptime_as_timespec( +static inline void _TOD_Get_zero_based_uptime_as_timespec( struct timespec *time -); +) +{ + _Timecounter_Nanouptime( time ); + --time->tv_sec; +} /** * @brief Number of seconds Since RTEMS epoch. @@ -276,7 +273,10 @@ void _TOD_Get_uptime_as_timespec( * The following contains the number of seconds from 00:00:00 * January 1, TOD_BASE_YEAR until the current time of day. */ -uint32_t _TOD_Seconds_since_epoch( void ); +static inline uint32_t _TOD_Seconds_since_epoch( void ) +{ + return (uint32_t) _Timecounter_Time_second; +} /** * @brief Increments time of day at each clock tick. @@ -314,12 +314,7 @@ RTEMS_INLINE_ROUTINE void _TOD_Get_timeval( struct timeval *time ) { - Timestamp_Control snapshot_as_timestamp; - Timestamp_Control *snapshot_as_timestamp_ptr; - - snapshot_as_timestamp_ptr = - _TOD_Get_with_nanoseconds( &snapshot_as_timestamp, &_TOD.now ); - _Timestamp_To_timeval( snapshot_as_timestamp_ptr, time ); + _Timecounter_Microtime( time ); } /** @@ -335,18 +330,6 @@ void _TOD_Adjust( ); /** - * @brief Install the BSP's nanoseconds since clock tick handler - * - * @param[in] routine is the BSP's nanoseconds since clock tick method - */ -RTEMS_INLINE_ROUTINE void _TOD_Set_nanoseconds_since_last_tick_handler( - TOD_Nanoseconds_since_last_tick_routine routine -) -{ - _TOD.nanoseconds_since_last_tick = routine; -} - -/** * @brief Check if the TOD is Set * * @return TRUE is the time is set. FALSE otherwise. |