forked from Imagelibrary/rtems
2008-08-31 Joel Sherrill <joel.sherrill@oarcorp.com>
* timer/timer.c, timer/timerisr.c: Rename timer driver methods to follow RTEMS programming conventions.
This commit is contained in:
@@ -1,3 +1,8 @@
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2008-08-31 Joel Sherrill <joel.sherrill@oarcorp.com>
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* timer/timer.c, timer/timerisr.c: Rename timer driver methods to
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follow RTEMS programming conventions.
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2008-05-15 Joel Sherrill <joel.sherrill@OARcorp.com>
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* startup/bspstart.c: Add capability for bootcard.c BSP Initialization
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@@ -2,8 +2,8 @@
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*
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* This file manages the benchmark timer used by the RTEMS Timing Test
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* Suite. Each measured time period is demarcated by calls to
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* Timer_initialize() and Read_timer(). Read_timer() usually returns
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* the number of microseconds since Timer_initialize() exitted.
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* benchmark_timerinitialize() and benchmark_timerread(). benchmark_timerread() usually returns
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* the number of microseconds since benchmark_timerinitialize() exitted.
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*
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* NOTE: It is important that the timer start/stop overhead be
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* determined when porting or modifying this code.
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@@ -22,9 +22,9 @@
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#include <bsp.h>
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uint32_t Timer_interrupts;
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rtems_boolean Timer_driver_Find_average_overhead;
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rtems_boolean benchmark_timerfind_average_overhead;
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void Timer_initialize( void )
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void benchmark_timerinitialize( void )
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{
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/*
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@@ -40,7 +40,7 @@ void Timer_initialize( void )
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}
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/*
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* The following controls the behavior of Read_timer().
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* The following controls the behavior of benchmark_timerread().
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*
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* AVG_OVEREHAD is the overhead for starting and stopping the timer. It
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* is usually deducted from the number returned.
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@@ -54,7 +54,7 @@ void Timer_initialize( void )
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/* This value is in microseconds. */
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#define LEAST_VALID 1 /* Don't trust a clicks value lower than this */
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int Read_timer( void )
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int benchmark_timerread( void )
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{
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uint32_t clicks;
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uint32_t total;
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@@ -73,7 +73,7 @@ int Read_timer( void )
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total = clicks * 0;
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if ( Timer_driver_Find_average_overhead == 1 )
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if ( benchmark_timerfind_average_overhead == 1 )
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return total; /* in XXX microsecond units */
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else {
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if ( total < LEAST_VALID )
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@@ -90,14 +90,14 @@ int Read_timer( void )
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* in Timing Test Suite.
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*/
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rtems_status_code Empty_function( void )
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rtems_status_code benchmark_timerempty_function( void )
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{
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return RTEMS_SUCCESSFUL;
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}
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void Set_find_average_overhead(
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void benchmark_timerdisable_subtracting_average_overhead(
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rtems_boolean find_flag
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)
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{
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Timer_driver_Find_average_overhead = find_flag;
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benchmark_timerfind_average_overhead = find_flag;
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}
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@@ -2,7 +2,7 @@
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*
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* If required this ISR is used to bump a count of interval "overflow"
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* interrupts which have occurred since the timer was started. The
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* number of overflows is taken into account in the Read_timer()
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* number of overflows is taken into account in the benchmark_timerread()
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* routine if necessary.
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*
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* To reduce overhead this is best to be the "rawest" hardware interupt
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