diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/slavio_serial.c | 87 |
1 files changed, 43 insertions, 44 deletions
diff --git a/hw/slavio_serial.c b/hw/slavio_serial.c index 07919111f4..bd572b03fd 100644 --- a/hw/slavio_serial.c +++ b/hw/slavio_serial.c @@ -215,7 +215,6 @@ struct SerialState { static void handle_kbd_command(ChannelState *s, int val); static int serial_can_receive(void *opaque); static void serial_receive_byte(ChannelState *s, int ch); -static inline void set_txint(ChannelState *s); static void clear_queue(void *opaque) { @@ -321,28 +320,6 @@ static void slavio_serial_reset(void *opaque) slavio_serial_reset_chn(&s->chn[1]); } -static inline void clr_rxint(ChannelState *s) -{ - s->rxint = 0; - s->rxint_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_RXINTA; - } 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_RXINTB; - } - if (s->txint) - set_txint(s); - slavio_serial_update_irq(s); -} - static inline void set_rxint(ChannelState *s) { s->rxint = 1; @@ -367,6 +344,49 @@ static inline void set_rxint(ChannelState *s) 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_rxint(ChannelState *s) +{ + s->rxint = 0; + s->rxint_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_RXINTA; + } 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_RXINTB; + } + if (s->txint) + set_txint(s); + slavio_serial_update_irq(s); +} + static inline void clr_txint(ChannelState *s) { s->txint = 0; @@ -389,27 +409,6 @@ static inline void clr_txint(ChannelState *s) 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 void slavio_serial_update_parameters(ChannelState *s) { int speed, parity, data_bits, stop_bits; |