void
arm_do_pending_intr(int pcpl)
{
struct cpu_info *ci = curcpu();
static int processing = 0;
int oldirqstate;
oldirqstate = disable_interrupts(I32_bit);
if (processing == 1) {
/* Don't use splx... we are here already! */
arm_intr_func.setipl(pcpl);
restore_interrupts(oldirqstate);
return;
}
#define DO_SOFTINT(si, ipl) \
if ((ci->ci_ipending & arm_smask[pcpl]) & \
SI_TO_IRQBIT(si)) { \
ci->ci_ipending &= ~SI_TO_IRQBIT(si); \
arm_intr_func.setipl(ipl); \
restore_interrupts(oldirqstate); \
softintr_dispatch(si); \
oldirqstate = disable_interrupts(I32_bit); \
}
do {
DO_SOFTINT(SI_SOFTTTY, IPL_SOFTTTY);
DO_SOFTINT(SI_SOFTNET, IPL_SOFTNET);
DO_SOFTINT(SI_SOFTCLOCK, IPL_SOFTCLOCK);
DO_SOFTINT(SI_SOFT, IPL_SOFT);
} while (ci->ci_ipending & arm_smask[pcpl]);
/* Don't use splx... we are here already! */
arm_intr_func.setipl(pcpl);
processing = 0;
restore_interrupts(oldirqstate);
}
void
s3c2xx0_do_pending(int enable_int)
{
static __cpu_simple_lock_t processing = __SIMPLELOCK_UNLOCKED;
int oldirqstate, irqstate, spl_save;
if (__cpu_simple_lock_try(&processing) == 0)
return;
spl_save = current_spl_level;
oldirqstate = irqstate = disable_interrupts(I32_bit);
if (enable_int)
irqstate &= ~I32_bit;
#define DO_SOFTINT(si,ipl) \
if (get_pending_softint() & SI_TO_IRQBIT(si)) { \
softint_pending &= ~SI_TO_IRQBIT(si); \
__raise(ipl); \
restore_interrupts(irqstate); \
softintr_dispatch(si); \
disable_interrupts(I32_bit); \
s3c2xx0_setipl(spl_save); \
}
do {
DO_SOFTINT(SI_SOFTSERIAL, IPL_SOFTSERIAL);
DO_SOFTINT(SI_SOFTNET, IPL_SOFTNET);
DO_SOFTINT(SI_SOFTCLOCK, IPL_SOFTCLOCK);
DO_SOFTINT(SI_SOFT, IPL_SOFT);
} while (get_pending_softint());
__cpu_simple_unlock(&processing);
restore_interrupts(oldirqstate);
}
