diff options
Diffstat (limited to 'c/src/lib/libcpu/sh/sh7032/timer')
-rw-r--r-- | c/src/lib/libcpu/sh/sh7032/timer/timer.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/c/src/lib/libcpu/sh/sh7032/timer/timer.c b/c/src/lib/libcpu/sh/sh7032/timer/timer.c index a576bc1ded..61f00d1f85 100644 --- a/c/src/lib/libcpu/sh/sh7032/timer/timer.c +++ b/c/src/lib/libcpu/sh/sh7032/timer/timer.c @@ -3,8 +3,8 @@ * * This file manages the benchmark timer used by the RTEMS Timing Test * Suite. Each measured time period is demarcated by calls to - * Timer_initialize() and Read_timer(). Read_timer() usually returns - * the number of microseconds since Timer_initialize() exitted. + * benchmark_timer_initialize() and benchmark_timer_read(). benchmark_timer_read() usually returns + * the number of microseconds since benchmark_timer_initialize() exitted. * * NOTE: It is important that the timer start/stop overhead be * determined when porting or modifying this code. @@ -68,11 +68,11 @@ extern rtems_isr timerisr(void); static uint32_t Timer_interrupts; -rtems_boolean Timer_driver_Find_average_overhead; +rtems_boolean benchmark_timer_find_average_overhead; static uint32_t Timer_HZ ; -void Timer_initialize( void ) +void benchmark_timer_initialize( void ) { uint8_t temp8; uint16_t temp16; @@ -135,7 +135,7 @@ void Timer_initialize( void ) } /* - * The following controls the behavior of Read_timer(). + * The following controls the behavior of benchmark_timer_read(). * * AVG_OVERHEAD is the overhead for starting and stopping the timer. It * is usually deducted from the number returned. @@ -149,7 +149,7 @@ void Timer_initialize( void ) /* This value is in microseconds. */ #define LEAST_VALID 0 /* 20 */ /* Don't trust a clicks value lower than this */ -int Read_timer( void ) +int benchmark_timer_read( void ) { uint32_t cclicks; uint32_t total ; @@ -168,7 +168,7 @@ int Read_timer( void ) total = cclicks + Timer_interrupts * 65536; - if ( Timer_driver_Find_average_overhead ) + if ( benchmark_timer_find_average_overhead ) return total / CLOCK_SCALE; /* in XXX microsecond units */ else { @@ -181,21 +181,11 @@ int Read_timer( void ) } } -/* - * Empty function call used in loops to measure basic cost of looping - * in Timing Test Suite. - */ - -rtems_status_code Empty_function( void ) -{ - return RTEMS_SUCCESSFUL; -} - -void Set_find_average_overhead( +void benchmark_timer_disable_subtracting_average_overhead( rtems_boolean find_flag ) { - Timer_driver_Find_average_overhead = find_flag; + benchmark_timer_find_average_overhead = find_flag; } /* Timer 1 is used */ |