int
hppa_ipi_intr(void *arg)
{
struct cpu_info *ci = curcpu();
struct cpu_softc *sc = ci->ci_softc;
u_long ipi_pending;
int bit = 0;
/* Handle an IPI. */
ipi_pending = atomic_swap_ulong(&ci->ci_ipi, 0);
KASSERT(ipi_pending);
sc->sc_evcnt_ipi.ev_count++;
while (ipi_pending) {
if (ipi_pending & (1L << bit)) {
sc->sc_evcnt_which_ipi[bit].ev_count++;
(*ipifunc[bit])();
}
ipi_pending &= ~(1L << bit);
bit++;
}
return 1;
}
int atomicExchange(volatile atomic_t& val, int exch)
{
volatile ulong_t* uvalue = reinterpret_cast<volatile ulong_t*>(&val.l);
volatile ulong_t unewval = exch;
return atomic_swap_ulong(uvalue, unewval);
}