diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/pc386/timer/timer.c')
| -rw-r--r-- | c/src/lib/libbsp/i386/pc386/timer/timer.c | 64 |
1 files changed, 26 insertions, 38 deletions
diff --git a/c/src/lib/libbsp/i386/pc386/timer/timer.c b/c/src/lib/libbsp/i386/pc386/timer/timer.c index f1f7cd41b4..52903e934d 100644 --- a/c/src/lib/libbsp/i386/pc386/timer/timer.c +++ b/c/src/lib/libbsp/i386/pc386/timer/timer.c @@ -59,10 +59,10 @@ | Global Variables +--------------------------------------------------------------------------*/ volatile uint32_t Ttimer_val; -rtems_boolean benchmark_timerfind_average_overhead = TRUE; +rtems_boolean benchmark_timer_find_average_overhead = TRUE; volatile unsigned int fastLoop1ms, slowLoop1ms; -void (*benchmark_timerinitialize_function)(void) = 0; -uint32_t (*benchmark_timerread_function)(void) = 0; +void (*benchmark_timer_initialize_function)(void) = 0; +uint32_t (*benchmark_timer_read_function)(void) = 0; void (*Timer_exit_function)(void) = 0; /*-------------------------------------------------------------------------+ @@ -112,7 +112,7 @@ tsc_timer_exit(void) } /* tsc_timer_exit */ /*-------------------------------------------------------------------------+ -| Function: benchmark_timerinitialize +| Function: benchmark_timer_initialize | Description: Timer initialization routine. | Global Variables: Ttimer_val. | Arguments: None. @@ -133,9 +133,9 @@ tsc_timer_initialize(void) } /* tsc_timer_initialize */ /*-------------------------------------------------------------------------+ -| Function: benchmark_timerread +| Function: benchmark_timer_read | Description: Read hardware timer value. -| Global Variables: Ttimer_val, benchmark_timerfind_average_overhead. +| Global Variables: Ttimer_val, benchmark_timer_find_average_overhead. | Arguments: None. | Returns: Nothing. +--------------------------------------------------------------------------*/ @@ -146,7 +146,7 @@ tsc_read_timer(void) total = (uint32_t)(rdtsc() - Ttimer_val); - if (benchmark_timerfind_average_overhead) + if (benchmark_timer_find_average_overhead) return total; else if (total < LEAST_VALID) return 0; /* below timer resolution */ @@ -222,7 +222,7 @@ i386_timer_exit(void) } /* Timer_exit */ /*-------------------------------------------------------------------------+ -| Function: benchmark_timerinitialize +| Function: benchmark_timer_initialize | Description: Timer initialization routine. | Global Variables: Ttimer_val. | Arguments: None. @@ -248,12 +248,12 @@ i386_timer_initialize(void) while (Ttimer_val == 0) continue; Ttimer_val = 0; -} /* benchmark_timerinitialize */ +} /* benchmark_timer_initialize */ /*-------------------------------------------------------------------------+ -| Function: benchmark_timerread +| Function: benchmark_timer_read | Description: Read hardware timer value. -| Global Variables: Ttimer_val, benchmark_timerfind_average_overhead. +| Global Variables: Ttimer_val, benchmark_timer_find_average_overhead. | Arguments: None. | Returns: Nothing. +--------------------------------------------------------------------------*/ @@ -269,7 +269,7 @@ i386_read_timer(void) clicks = (msb << 8) | lsb; total = (Ttimer_val * US_PER_ISR) + (US_PER_ISR - TICK_TO_US(clicks)); - if (benchmark_timerfind_average_overhead) + if (benchmark_timer_find_average_overhead) return total; else if (total < LEAST_VALID) return 0; /* below timer resolution */ @@ -283,7 +283,7 @@ i386_read_timer(void) */ void -benchmark_timerinitialize(void) +benchmark_timer_initialize(void) { static rtems_boolean First = TRUE; @@ -292,27 +292,27 @@ benchmark_timerinitialize(void) #if defined(DEBUG) printk("TSC: timer initialization\n"); #endif /* DEBUG */ - benchmark_timerinitialize_function = &tsc_timer_initialize; - benchmark_timerread_function = &tsc_read_timer; + benchmark_timer_initialize_function = &tsc_timer_initialize; + benchmark_timer_read_function = &tsc_read_timer; Timer_exit_function = &tsc_timer_exit; } else { #if defined(DEBUG) printk("ISR: timer initialization\n"); #endif /* DEBUG */ - benchmark_timerinitialize_function = &i386_timer_initialize; - benchmark_timerread_function = &i386_read_timer; + benchmark_timer_initialize_function = &i386_timer_initialize; + benchmark_timer_read_function = &i386_read_timer; Timer_exit_function = &i386_timer_exit; } First = FALSE; } - (*benchmark_timerinitialize_function)(); + (*benchmark_timer_initialize_function)(); } uint32_t -benchmark_timerread(void) +benchmark_timer_read(void) { - return (*benchmark_timerread_function)(); + return (*benchmark_timer_read_function)(); } void @@ -322,29 +322,17 @@ Timer_exit(void) } /*-------------------------------------------------------------------------+ -| Function: benchmark_timerempty_function -| Description: Empty function used in time tests. -| Global Variables: None. -| Arguments: None. -| Returns: Nothing. -+--------------------------------------------------------------------------*/ -rtems_status_code benchmark_timerempty_function(void) -{ - return RTEMS_SUCCESSFUL; -} /* Empty function */ - -/*-------------------------------------------------------------------------+ -| Function: benchmark_timerdisable_subtracting_average_overhead -| Description: Set internal benchmark_timerfind_average_overhead flag value. -| Global Variables: benchmark_timerfind_average_overhead. +| Function: benchmark_timer_disable_subtracting_average_overhead +| Description: Set internal benchmark_timer_find_average_overhead flag value. +| Global Variables: benchmark_timer_find_average_overhead. | Arguments: find_flag - new value of the flag. | Returns: Nothing. +--------------------------------------------------------------------------*/ void -benchmark_timerdisable_subtracting_average_overhead(rtems_boolean find_flag) +benchmark_timer_disable_subtracting_average_overhead(rtems_boolean find_flag) { - benchmark_timerfind_average_overhead = find_flag; -} /* benchmark_timerdisable_subtracting_average_overhead */ + benchmark_timer_find_average_overhead = find_flag; +} /* benchmark_timer_disable_subtracting_average_overhead */ static unsigned short lastLoadedValue; |