add: asm("mtear  %0" :: "g"(t_to->kernel_stack_base + KSTACK_SIZE - 8));   if (t_to->team->_aspace_id >= 0) {  if (t_from->team->_aspace_id != t_to->team->_aspace_id) {  ppc_translation_map_change_asid(&t_to->team->aspace->translation_map); } }  ppc_context_switch(&t_from->arch_info.sp, t_to->arch_info.sp);
context: arch_thread_context_switch(struct thread *t_from, struct thread *t_to){}