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Use signed integer type for ticks

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This commit is contained in:
Sebastian Huber 2015-04-08 07:52:14 +02:00
parent 8b722dba65
commit c6e85efd7e
2 changed files with 13 additions and 2 deletions
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8
freebsd/sys/sys/kernel.h
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@ -68,8 +68,12 @@ extern int profprocs; /* number of process's profiling */
#ifndef __rtems__
extern volatile int ticks;
#else /* __rtems__ */
#include <rtems/score/watchdogimpl.h>
#define ticks _Watchdog_Ticks_since_boot
/*
* This must be a singed integer type, otherwise expressions like
* (x - ticks) > 0 would yield unexpected results.
*/
extern volatile int32_t _bsd_ticks;
#define ticks _bsd_ticks
#endif /* __rtems__ */
#endif /* _KERNEL */

7
rtemsbsd/rtems/rtems-bsd-init.c
View File

@ -85,6 +85,13 @@ SYSCTL_INT(_kern_smp, OID_AUTO, maxid, CTLFLAG_RD|CTLFLAG_CAPRD,
SYSCTL_INT(_kern_smp, OID_AUTO, maxcpus, CTLFLAG_RD|CTLFLAG_CAPRD,
&maxid_maxcpus, 0, "Max number of CPUs that the system was compiled for.");
RTEMS_STATIC_ASSERT(sizeof(int) == sizeof(int32_t), ticks);
volatile uint32_t _Watchdog_Ticks_since_boot;
extern volatile int32_t _bsd_ticks
__attribute__ ((__alias__("_Watchdog_Ticks_since_boot")));
rtems_status_code
rtems_bsd_initialize(void)
{