diff options
Diffstat (limited to 'c/src/lib/libcpu/arm/at91rm9200')
-rw-r--r-- | c/src/lib/libcpu/arm/at91rm9200/timer/timer.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/c/src/lib/libcpu/arm/at91rm9200/timer/timer.c b/c/src/lib/libcpu/arm/at91rm9200/timer/timer.c index db15a98f9a..35cf5cb6a8 100644 --- a/c/src/lib/libcpu/arm/at91rm9200/timer/timer.c +++ b/c/src/lib/libcpu/arm/at91rm9200/timer/timer.c @@ -13,8 +13,8 @@ * Notes: * This file manages the benchmark timer used by the RTEMS Timing Test * Suite. Each measured time period is demarcated by calls to - * benchmark_timerinitialize() and benchmark_timerread(). benchmark_timerread() usually returns - * the number of microseconds since benchmark_timerinitialize() exitted. + * benchmark_timer_initialize() and benchmark_timer_read(). benchmark_timer_read() usually returns + * the number of microseconds since benchmark_timer_initialize() exitted. * * It is important that the timer start/stop overhead be determined * when porting or modifying this code. @@ -28,14 +28,14 @@ #include <at91rm9200_pmc.h> uint16_t tstart; -rtems_boolean benchmark_timerfind_average_overhead; +rtems_boolean benchmark_timer_find_average_overhead; uint32_t tick_time; /* * Set up TC0 - * timer_clock2 (MCK/8) * capture mode - this shouldn't matter */ -void benchmark_timerinitialize( void ) +void benchmark_timer_initialize( void ) { uint32_t tmr_freq; @@ -52,7 +52,7 @@ void benchmark_timerinitialize( void ) } /* - * The following controls the behavior of benchmark_timerread(). + * The following controls the behavior of benchmark_timer_read(). * * AVG_OVEREHAD is the overhead for starting and stopping the timer. It * is usually deducted from the number returned. @@ -66,7 +66,7 @@ void benchmark_timerinitialize( void ) /* This value is in microseconds. */ #define LEAST_VALID 1 /* Don't trust a clicks value lower than this */ -int benchmark_timerread( void ) +int benchmark_timer_read( void ) { uint16_t t; uint32_t total; @@ -80,7 +80,7 @@ int benchmark_timerread( void ) total = t * tick_time; - if ( benchmark_timerfind_average_overhead == 1 ) + if ( benchmark_timer_find_average_overhead == 1 ) return total; /* in nanosecond units */ else { if ( total < LEAST_VALID ) @@ -92,20 +92,10 @@ int benchmark_timerread( void ) } } -/* - * Empty function call used in loops to measure basic cost of looping - * in Timing Test Suite. - */ - -rtems_status_code benchmark_timerempty_function( void ) -{ - return RTEMS_SUCCESSFUL; -} - -void benchmark_timerdisable_subtracting_average_overhead( +void benchmark_timer_disable_subtracting_average_overhead( rtems_boolean find_flag ) { - benchmark_timerfind_average_overhead = find_flag; + benchmark_timer_find_average_overhead = find_flag; } |