Problem with rtems directive

[jennifer averett]

If you have disabled interrupts you should enable them prior
to calling rtems_task_suspend.

Jennifer

Soumyadeb Mitra wrote:

> Hello
>         I am using RTEMS for an academic project invloving porting
> a linux driver to rtems.
>
>         I am having a problem with the following piece of code.
>
>         __asm__("cli");
>         fpga[0]=0;
>         rtems_task_suspend(RTEMS_SELF);
>
> This is the only thread running(apart from the idle thread).The assignment
> statement fpga[0]=0 immediately triggers a hardware interrupt.But since
> the current thread has interrupts disabled the ISR is not called.
>         However once the current thread is suspended ,the ISR should be
> invoked.
>         For somme strange reason the above code generates an exception.The
> thread id  printed by the exception handler is that of the idle-thread.
>
> Has anyone faced similar problems or has a solution?
>
> Thanks
>
> Soumyadeb