RTEMS | stm32h7/bspstart: avoid overflow in HAL_GetTick calculation (!1144)
Kinsey Moore (@opticron)
gitlab at rtems.org
Wed Mar 18 19:40:48 UTC 2026
Kinsey Moore commented on a discussion on bsps/arm/stm32h7/start/bspstart.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1144#note_146069
> /* Get number of milliseconds elapsed since startup */
> uint32_t HAL_GetTick(void)
> {
> - return rtems_clock_get_ticks_since_boot() *
> - rtems_configuration_get_milliseconds_per_tick();
> + return (uint32_t)(
> + (uint64_t) rtems_clock_get_ticks_since_boot() *
> + rtems_configuration_get_milliseconds_per_tick()
> +);
Could you point out a place where a user of HAL_GetTick explicitly handles rollover?
--
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1144#note_146069
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