2008-05-07 Joel Sherrill <joel.sherrill@OARcorp.com>

* clock/ckinit.c: Add nanoseconds clock tick granularity support.
This commit is contained in:
Joel Sherrill
2008-05-07 17:40:52 +00:00
parent 030d9e92c6
commit 0e58c4f598
6 changed files with 44 additions and 3 deletions

View File

@@ -1,3 +1,7 @@
2008-05-07 Joel Sherrill <joel.sherrill@OARcorp.com>
* clock/ckinit.c: Add nanoseconds clock tick granularity support.
2008-04-23 Joel Sherrill <joel.sherrill@OARcorp.com>
* Makefile.am: Remove all references to console_reserve_resources and

View File

@@ -7,7 +7,7 @@
* The tick frequency is directly programmed to the configured number of
* microseconds per tick.
*
* COPYRIGHT (c) 1989-2006.
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
@@ -52,7 +52,8 @@ uint32_t bsp_clock_nanoseconds_since_last_tick(void)
clicks = ERC32_MEC.Real_Time_Clock_Counter;
return (uint32_t) (rtems_configuration_get_microseconds_per_tick() - clicks) * 1000;
return (uint32_t)
(rtems_configuration_get_microseconds_per_tick() - clicks) * 1000;
}
#define Clock_driver_nanoseconds_since_last_tick \

View File

@@ -1,3 +1,7 @@
2008-05-07 Joel Sherrill <joel.sherrill@OARcorp.com>
* clock/ckinit.c: Add nanoseconds clock tick granularity support.
2008-04-23 Joel Sherrill <joel.sherrill@OARcorp.com>
* Makefile.am: Remove all references to console_reserve_resources and

View File

@@ -6,7 +6,7 @@
* The tick frequency is directly programmed to the configured number of
* microseconds per tick.
*
* COPYRIGHT (c) 1989-2006.
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* Modified for LEON BSP
@@ -59,4 +59,17 @@ extern int CLOCK_SPEED;
LEON_REG.Timer_Control_1 = 0; \
} while (0)
uint32_t bsp_clock_nanoseconds_since_last_tick(void)
{
uint32_t clicks;
clicks = LEON_REG.Timer_Counter_1;
/* Down counter */
return (uint32_t)
(rtems_configuration_get_microseconds_per_tick() - clicks) * 1000;
}
#define Clock_driver_nanoseconds_since_last_tick bsp_clock_nanoseconds_since_last_tick
#include "../../../shared/clockdrv_shell.c"

View File

@@ -1,3 +1,7 @@
2008-05-07 Joel Sherrill <joel.sherrill@OARcorp.com>
* clock/ckinit.c: Add nanoseconds clock tick granularity support.
2008-04-23 Joel Sherrill <joel.sherrill@OARcorp.com>
* ChangeLog, Makefile.am: Remove all references to

View File

@@ -94,4 +94,19 @@ static int clkirq;
LEON3_Timer_Regs->timer[LEON3_CLOCK_INDEX].conf = 0; \
} while (0)
uint32_t bsp_clock_nanoseconds_since_last_tick(void)
{
uint32_t clicks;
if ( !LEON3_Timer_Regs )
return 0;
clicks = LEON3_Timer_Regs->timer[0].value;
/* Down counter */
return (uint32_t)
(rtems_configuration_get_microseconds_per_tick() - clicks) * 1000;
}
#define Clock_driver_nanoseconds_since_last_tick bsp_clock_nanoseconds_since_last_tick
#include "../../../shared/clockdrv_shell.c"