static inline void set_txint(ChannelState *s)
{
s->txint = 1;
if (!s->rxint_under_svc) {
s->txint_under_svc = 1;
if (s->chn == chn_a)
s->rregs[3] |= 0x10;
else
s->otherchn->rregs[3] |= 2;
s->rregs[2] = 0;
slavio_serial_update_irq(s);
}
}
static inline void clr_txint(ChannelState *s)
{
s->txint = 0;
s->txint_under_svc = 0;
if (s->chn == chn_a)
s->rregs[3] &= ~0x10;
else
s->otherchn->rregs[3] &= ~2;
if (s->rxint)
set_rxint(s);
else
s->rregs[2] = 6;
slavio_serial_update_irq(s);
}
static inline void set_txint(ChannelState *s)
{
s->txint = 1;
if (!s->rxint_under_svc) {
s->txint_under_svc = 1;
if (s->chn == chn_a) {
if (s->wregs[W_MINTR] & MINTR_STATUSHI)
s->otherchn->rregs[R_IVEC] = IVEC_HITXINTA;
else
s->otherchn->rregs[R_IVEC] = IVEC_LOTXINTA;
} else {
s->rregs[R_IVEC] = IVEC_TXINTB;
}
}
if (s->chn == chn_a)
s->rregs[R_INTR] |= INTR_TXINTA;
else
s->otherchn->rregs[R_INTR] |= INTR_TXINTB;
slavio_serial_update_irq(s);
}
static inline void clr_txint(ChannelState *s)
{
s->txint = 0;
s->txint_under_svc = 0;
if (s->chn == chn_a) {
if (s->wregs[W_MINTR] & MINTR_STATUSHI)
s->otherchn->rregs[R_IVEC] = IVEC_HINOINT;
else
s->otherchn->rregs[R_IVEC] = IVEC_LONOINT;
s->rregs[R_INTR] &= ~INTR_TXINTA;
} else {
if (s->wregs[W_MINTR] & MINTR_STATUSHI)
s->rregs[R_IVEC] = IVEC_HINOINT;
else
s->rregs[R_IVEC] = IVEC_LONOINT;
s->otherchn->rregs[R_INTR] &= ~INTR_TXINTB;
}
if (s->rxint)
set_rxint(s);
slavio_serial_update_irq(s);
}
static void serial_receive_break(ChannelState *s)
{
s->rregs[0] |= 0x80;
slavio_serial_update_irq(s);
}
static void serial_receive_break(ChannelState *s)
{
s->rregs[R_STATUS] |= STATUS_BRK;
slavio_serial_update_irq(s);
}