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2009-09-15 Till Straumann <strauman@slac.stanford.edu>

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PR 1344/bsps:
	* clock/ckinit.c: Fix more bugs (applied PR1344/attachment 702):
	TSC handler was used when 8254 was requested and vice versa.
	Also, nanosecond handler was never installed to RTEMS clock.
This commit is contained in:
Till Straumann
2009-09-16 00:03:35 +00:00
parent 986f353e4a
commit 51022e34d7
2 changed files with 18 additions and 3 deletions
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7
c/src/lib/libbsp/i386/pc386/ChangeLog
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@@ -1,3 +1,10 @@
2009-09-15 Till Straumann <strauman@slac.stanford.edu>
PR 1344/bsps:
* clock/ckinit.c: Fix more bugs (applied PR1344/attachment 702):
TSC handler was used when 8254 was requested and vice versa.
Also, nanosecond handler was never installed to RTEMS clock.
2008-12-08 Ralf Corsépius <ralf.corsepius@rtems.org> 2008-12-08 Ralf Corsépius <ralf.corsepius@rtems.org>
* bsp_specs: Backport from CVS-HEAD. * bsp_specs: Backport from CVS-HEAD.

14
c/src/lib/libbsp/i386/pc386/clock/ckinit.c
View File

@@ -285,19 +285,27 @@ void Clock_driver_support_initialize_hardware(void)
/* printk( "Use 8254\n" ); */ /* printk( "Use 8254\n" ); */
Clock_driver_support_at_tick = Clock_driver_support_at_tick_empty; Clock_driver_support_at_tick = Clock_driver_support_at_tick_empty;
Clock_driver_nanoseconds_since_last_tick = Clock_driver_nanoseconds_since_last_tick =
bsp_clock_nanoseconds_since_last_tick_tsc; bsp_clock_nanoseconds_since_last_tick_i8254;
} else { } else {
/* printk( "Use TSC\n" ); */ /* printk( "Use TSC\n" ); */
Clock_driver_support_at_tick = Clock_driver_support_at_tick_tsc; Clock_driver_support_at_tick = Clock_driver_support_at_tick_tsc;
Clock_driver_nanoseconds_since_last_tick = Clock_driver_nanoseconds_since_last_tick =
bsp_clock_nanoseconds_since_last_tick_i8254; bsp_clock_nanoseconds_since_last_tick_tsc;
} }
/* Shell installs nanosecond handler before calling
* Clock_driver_support_initialize_hardware() :-(
* so we do it again now that we're ready.
*/
rtems_clock_set_nanoseconds_extension(
Clock_driver_nanoseconds_since_last_tick
);
if (!BSP_install_rtems_irq_handler (&clockIrqData)) { if (!BSP_install_rtems_irq_handler (&clockIrqData)) {
printk("Unable to initialize system clock\n"); printk("Unable to initialize system clock\n");
rtems_fatal_error_occurred(1); rtems_fatal_error_occurred(1);
} }
} }
#define Clock_driver_support_shutdown_hardware() \ #define Clock_driver_support_shutdown_hardware() \