RTEMS | [powerpc] cpukit/score/.../cpu.h: Add _CPU_Spin_wait to powerpc (!1367)

[Vijay Banerjee (@vijay)]

Merge request https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1367 was reviewed by Vijay Banerjee

--
  
Vijay Banerjee started a new discussion on cpukit/score/cpu/powerpc/include/rtems/score/cpu.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1367#note_155404

 > +static inline void _CPU_Spin_wait( void )
 > +{
 > +  __asm__ volatile ( "or 27, 27, 27" : : : "memory" );

Where/when do you restore the priority?

In powerpc, `or 27, 27, 27` is a persistent change. It's not "temporary" unless restored. Need to do another `or` to set it to low/medium/high priority or wait for an interrupt


-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1367
You're receiving this email because of your account on gitlab.rtems.org. Unsubscribe from this thread: https://gitlab.rtems.org/-/sent_notifications/4-dihvtjwmeufohpm6qa429oyu4-1d/unsubscribe | Manage all notifications: https://gitlab.rtems.org/-/profile/notifications | Help: https://gitlab.rtems.org/help


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/bugs/attachments/20260724/d22e0171/attachment-0001.htm>