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2007-04-05 Joel Sherrill <joel@OARcorp.com>

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* clock/clock.c: Removed. File is unused in current source.
This commit is contained in:
Joel Sherrill
2007-04-05 21:46:28 +00:00
parent 412dbff629
commit 75ef2d52da
2 changed files with 4 additions and 51 deletions
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4
c/src/lib/libbsp/powerpc/psim/ChangeLog
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@@ -1,3 +1,7 @@
2007-04-05 Joel Sherrill <joel@OARcorp.com>
* clock/clock.c: Removed. File is unused in current source.
2007-03-28 Joel Sherrill <joel@OARcorp.com>
* Makefile.am: Modify to avoid pulling in too much into minimum

51
c/src/lib/libbsp/powerpc/psim/clock/clock.c
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/*
* Instantiate the clock driver shell for psim based
* on the decrementer register.
*
* $Id$
*/
#include <rtems.h>
/*
* If defined, speed up the clock ticks while the idle task is running so
* time spent in the idle task is minimized. This significantly reduces
* the wall time required to execute the RTEMS test suites.
*/
/* #define CLOCK_DRIVER_USE_FAST_IDLE */
#define CLOCK_VECTOR PPC_IRQ_DECREMENTER
/* On psim, each click of the decrementer register corresponds
* to 1 instruction. By setting this to 100, we are indicating
* that we are assuming it can execute 100 instructions per
* microsecond. This corresponds to sustaining 1 instruction
* per cycle at 100 Mhz. Whether this is a good guess or not
* is anyone's guess.
*/
extern int PSIM_INSTRUCTIONS_PER_MICROSECOND;
unsigned int PPC_DECREMENTER_CLICKS;
#define Clock_driver_support_install_isr( _new, _old ) \
do { \
_old = (rtems_isr_entry) set_vector( _new, CLOCK_VECTOR, 1 ); \
PPC_DECREMENTER_CLICKS = (unsigned int)&PSIM_INSTRUCTIONS_PER_MICROSECOND; \
PPC_DECREMENTER_CLICKS *= rtems_configuration_get_microseconds_per_tick(); \
/* PPC_DECREMENTER_CLICKS = 5000; */ \
} while(0)
#define Clock_driver_support_initialize_hardware() \
do { \
unsigned int _clicks = PPC_DECREMENTER_CLICKS; \
PPC_Set_decrementer( _clicks ); \
} while (0)
#define Clock_driver_support_at_tick() \
Clock_driver_support_initialize_hardware()
#define Clock_driver_support_shutdown_hardware()
#include "../../../shared/clockdrv_shell.c"