Function cpu_fork_kthread_handler

freebsd/arm/arm/vm_machdep.c:284–289

* Intercept the return address from a freshly forked process that has NOT * been scheduled yet. * * This is needed to make kernel threads stay in kernel mode. */

 * This is needed to make kernel threads stay in kernel mode.
 */
void
cpu_fork_kthread_handler(struct thread *td, void (*func)(void *), void *arg)
{
	td->td_pcb->pcb_regs.sf_r4 = (register_t)func;	/* function */
	td->td_pcb->pcb_regs.sf_r5 = (register_t)arg;	/* first arg */
}

/*
 * Software interrupt handler for queued VM system processing.