Hello,
in the function __ipipe_grab_irq for the NIOS2, there is the following block :
if (likely(irq == __ipipe_hrtimer_irq)) {
__raw_get_cpu_var(__ipipe_tick_regs).estatus = regs->estatus;
__raw_get_cpu_var(__ipipe_tick_regs).ea = regs->ea;
if (!__ipipe_root_domain_p) {
__raw_get_cpu_var(__ipipe_tick_regs).estatus &=
~NIOS2_STATUS_PIE_MSK);
}
}
We do not understand why there is an unusual case for an interruption from the
timer. We understand each lines but not the global nature. Any help ?
Cheers
Adrien Chiron & Vincent Vanbesien
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