From 51022e34d7b6dcb747a3b7427e6889583ffcd3b0 Mon Sep 17 00:00:00 2001 From: Till Straumann Date: Wed, 16 Sep 2009 00:03:35 +0000 Subject: 2009-09-15 Till Straumann 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. --- c/src/lib/libbsp/i386/pc386/ChangeLog | 7 +++++++ c/src/lib/libbsp/i386/pc386/clock/ckinit.c | 14 +++++++++++--- 2 files changed, 18 insertions(+), 3 deletions(-) (limited to 'c') diff --git a/c/src/lib/libbsp/i386/pc386/ChangeLog b/c/src/lib/libbsp/i386/pc386/ChangeLog index cfeff93ce7..c45515ef08 100644 --- a/c/src/lib/libbsp/i386/pc386/ChangeLog +++ b/c/src/lib/libbsp/i386/pc386/ChangeLog @@ -1,3 +1,10 @@ +2009-09-15 Till Straumann + + 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 * bsp_specs: Backport from CVS-HEAD. diff --git a/c/src/lib/libbsp/i386/pc386/clock/ckinit.c b/c/src/lib/libbsp/i386/pc386/clock/ckinit.c index 45b66a2734..ff5b9c46c1 100644 --- a/c/src/lib/libbsp/i386/pc386/clock/ckinit.c +++ b/c/src/lib/libbsp/i386/pc386/clock/ckinit.c @@ -285,19 +285,27 @@ void Clock_driver_support_initialize_hardware(void) /* printk( "Use 8254\n" ); */ Clock_driver_support_at_tick = Clock_driver_support_at_tick_empty; Clock_driver_nanoseconds_since_last_tick = - bsp_clock_nanoseconds_since_last_tick_tsc; - + bsp_clock_nanoseconds_since_last_tick_i8254; } else { /* printk( "Use TSC\n" ); */ Clock_driver_support_at_tick = Clock_driver_support_at_tick_tsc; 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)) { printk("Unable to initialize system clock\n"); rtems_fatal_error_occurred(1); } + } #define Clock_driver_support_shutdown_hardware() \ -- cgit v1.2.3