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-rw-r--r--cpukit/score/inline/rtems/score/tod.inl75
1 files changed, 71 insertions, 4 deletions
diff --git a/cpukit/score/inline/rtems/score/tod.inl b/cpukit/score/inline/rtems/score/tod.inl
index 428989b0f7..733c4e1ede 100644
--- a/cpukit/score/inline/rtems/score/tod.inl
+++ b/cpukit/score/inline/rtems/score/tod.inl
@@ -6,7 +6,7 @@
*/
/*
- * COPYRIGHT (c) 1989-2004.
+ * COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
@@ -19,20 +19,68 @@
#ifndef _RTEMS_SCORE_TOD_INL
#define _RTEMS_SCORE_TOD_INL
+#include <rtems/score/isr.h>
+
/**
* @addtogroup ScoreTOD
* @{
*/
/**
+ *
+ * This routines adds two timespecs. The second argument is added
+ * to the first.
+ */
+
+RTEMS_INLINE_ROUTINE uint32_t _TOD_Add_timespec(
+ struct timespec *time,
+ struct timespec *add
+)
+{
+ uint32_t seconds = 0;
+
+
+ /* Add the basics */
+ time->tv_sec += add->tv_sec;
+ time->tv_nsec += add->tv_nsec;
+
+ /* Now adjust it so nanoseconds is in range */
+ while ( time->tv_nsec >= TOD_NANOSECONDS_PER_SECOND ) {
+ time->tv_nsec -= TOD_NANOSECONDS_PER_SECOND;
+ time->tv_sec++;
+ seconds++;
+ }
+
+ return seconds;
+}
+
+/**
* This routine increments the ticks field of the current time of
* day at each clock tick.
*/
RTEMS_INLINE_ROUTINE void _TOD_Tickle_ticks( void )
{
- _TOD_Current.ticks += 1;
+ struct timespec tick;
+ uint32_t seconds;
+
+ /* Convert the tick quantum to a timespec */
+ tick.tv_nsec = _TOD_Microseconds_per_tick * 1000;
+ tick.tv_sec = 0;
+
+ /* Update the counter of ticks since boot */
_Watchdog_Ticks_since_boot += 1;
+
+ /* Update the timespec format uptime */
+ (void) _TOD_Add_timespec( &_TOD_Uptime, &tick );
+ /* we do not care how much the uptime changed */
+
+ /* Update the timespec format TOD */
+ seconds = _TOD_Add_timespec( &_TOD_Now, &tick );
+ while ( seconds ) {
+ _Watchdog_Tickle_seconds();
+ seconds--;
+ }
}
/**
@@ -41,7 +89,7 @@ RTEMS_INLINE_ROUTINE void _TOD_Tickle_ticks( void )
RTEMS_INLINE_ROUTINE void _TOD_Deactivate( void )
{
- _Watchdog_Remove( &_TOD_Seconds_watchdog );
+ /* XXX do we need something now that we are using timespec for TOD */
}
/**
@@ -52,7 +100,26 @@ RTEMS_INLINE_ROUTINE void _TOD_Activate(
Watchdog_Interval ticks
)
{
- _Watchdog_Insert_ticks( &_TOD_Seconds_watchdog, ticks );
+ /* XXX do we need something now that we are using timespec for TOD */
+}
+
+/**
+ * This routine returns a timeval based upon the internal timespec format TOD.
+ */
+
+RTEMS_INLINE_ROUTINE void _TOD_Get_timeval(
+ struct timeval *time
+)
+{
+ ISR_Level level;
+ struct timespec now;
+
+ _ISR_Disable(level);
+ _TOD_Get( &now );
+ _ISR_Enable(level);
+
+ time->tv_sec = now.tv_sec;
+ time->tv_usec = now.tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND;
}
/**@}*/