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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-02-13 17:16:15 +0100 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-02-25 07:15:18 +0100 |
commit | b8648bdc0c4932b954b73e3e95301a024229ff22 (patch) | |
tree | 33f038a06c529848bb505217d5eb9ffc7bb542de /cpukit/include | |
parent | config: Remove CONFIGURE_POSIX_HAS_OWN_INIT_THREAD_TABLE (diff) | |
download | rtems-b8648bdc0c4932b954b73e3e95301a024229ff22.tar.bz2 |
config: Add _Watchdog_Microseconds_per_tick
Move the microseconds per tick configuration constant out of the
configuration table.
Add WATCHDOG_MICROSECONDS_PER_TICK_DEFAULT and use it to provide a
default definition of the watchdog ticks constants.
Update #3875.
Diffstat (limited to 'cpukit/include')
-rw-r--r-- | cpukit/include/rtems/confdefs.h | 17 | ||||
-rw-r--r-- | cpukit/include/rtems/config.h | 10 | ||||
-rw-r--r-- | cpukit/include/rtems/score/watchdogticks.h | 8 |
3 files changed, 20 insertions, 15 deletions
diff --git a/cpukit/include/rtems/confdefs.h b/cpukit/include/rtems/confdefs.h index 6a8b9ecb7e..1254e3d209 100644 --- a/cpukit/include/rtems/confdefs.h +++ b/cpukit/include/rtems/confdefs.h @@ -1955,7 +1955,16 @@ extern "C" { #error "The CONFIGURE_MICROSECONDS_PER_TICK must be positive" #endif -#define _CONFIGURE_TICKS_PER_SECOND (1000000 / CONFIGURE_MICROSECONDS_PER_TICK) +#ifdef CONFIGURE_INIT + const uint32_t _Watchdog_Microseconds_per_tick = + CONFIGURE_MICROSECONDS_PER_TICK; + + const uint32_t _Watchdog_Nanoseconds_per_tick = + (uint32_t) 1000 * CONFIGURE_MICROSECONDS_PER_TICK; + + const uint32_t _Watchdog_Ticks_per_second = + 1000000 / CONFIGURE_MICROSECONDS_PER_TICK; +#endif /** The configures the number of clock ticks per timeslice. */ #ifndef CONFIGURE_TICKS_PER_TIMESLICE @@ -2452,11 +2461,6 @@ struct _reent *__getreent(void) sizeof( Thread_queue_Configured_heads ); #endif - const uint32_t _Watchdog_Nanoseconds_per_tick = - (uint32_t) 1000 * CONFIGURE_MICROSECONDS_PER_TICK; - - const uint32_t _Watchdog_Ticks_per_second = _CONFIGURE_TICKS_PER_SECOND; - const size_t _Thread_Initial_thread_count = rtems_resource_maximum_per_allocation( _CONFIGURE_TASKS ) + rtems_resource_maximum_per_allocation( CONFIGURE_MAXIMUM_POSIX_THREADS ); @@ -2622,7 +2626,6 @@ struct _reent *__getreent(void) */ const rtems_configuration_table Configuration = { CONFIGURE_EXECUTIVE_RAM_SIZE, /* required RTEMS workspace */ - CONFIGURE_MICROSECONDS_PER_TICK, /* microseconds per clock tick */ CONFIGURE_TICKS_PER_TIMESLICE, /* ticks per timeslice quantum */ CONFIGURE_IDLE_TASK_BODY, /* user's IDLE task */ CONFIGURE_IDLE_TASK_STACK_SIZE, /* IDLE task stack size */ diff --git a/cpukit/include/rtems/config.h b/cpukit/include/rtems/config.h index d9f91db741..84917366f3 100644 --- a/cpukit/include/rtems/config.h +++ b/cpukit/include/rtems/config.h @@ -87,12 +87,6 @@ typedef struct { uintptr_t work_space_size; /** - * This field specifies the number of microseconds which elapse - * between clock ticks. This is the basis for RTEMS timing. - */ - uint32_t microseconds_per_tick; - - /** * This field specifies the number of ticks in each task's timeslice. */ uint32_t ticks_per_timeslice; @@ -162,9 +156,9 @@ uintptr_t rtems_configuration_get_stack_space_size( void ); uint32_t rtems_configuration_get_maximum_extensions( void ); #define rtems_configuration_get_microseconds_per_tick() \ - (Configuration.microseconds_per_tick) + (_Watchdog_Microseconds_per_tick) #define rtems_configuration_get_milliseconds_per_tick() \ - (Configuration.microseconds_per_tick / 1000) + (_Watchdog_Microseconds_per_tick / 1000) #define rtems_configuration_get_nanoseconds_per_tick() \ (_Watchdog_Nanoseconds_per_tick) diff --git a/cpukit/include/rtems/score/watchdogticks.h b/cpukit/include/rtems/score/watchdogticks.h index e7cf3f3ea3..226de39c24 100644 --- a/cpukit/include/rtems/score/watchdogticks.h +++ b/cpukit/include/rtems/score/watchdogticks.h @@ -50,6 +50,14 @@ typedef uint32_t Watchdog_Interval; extern volatile Watchdog_Interval _Watchdog_Ticks_since_boot; /** + * @brief The watchdog microseconds per tick. + * + * This constant is defined by the application configuration via + * <rtems/confdefs.h>. + */ +extern const uint32_t _Watchdog_Microseconds_per_tick; + +/** * @brief The watchdog nanoseconds per tick. * * This constant is defined by the application configuration via |