#include "isa.h"
#include "pc.h"
#include "qemu-timer.h"
+#include "sysemu.h"
//#define DEBUG_SERIAL
#define RECV_FIFO 1
#define MAX_XMIT_RETRY 4
+#ifdef DEBUG_SERIAL
+#define DPRINTF(fmt, ...) \
+do { fprintf(stderr, "serial: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define DPRINTF(fmt, ...) \
+do {} while (0)
+#endif
+
typedef struct SerialFIFO {
uint8_t data[UART_FIFO_LENGTH];
uint8_t count;
ssp.stop_bits = stop_bits;
s->char_transmit_time = (get_ticks_per_sec() / speed) * frame_size;
qemu_chr_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
-#if 0
- printf("speed=%d parity=%c data=%d stop=%d\n",
+
+ DPRINTF("speed=%d parity=%c data=%d stop=%d\n",
speed, parity, data_bits, stop_bits);
-#endif
}
static void serial_update_msl(SerialState *s)
We'll be lazy and poll only every 10ms, and only poll it at all if MSI interrupts are turned on */
if (s->poll_msl)
- qemu_mod_timer(s->modem_status_poll, qemu_get_clock(vm_clock) + get_ticks_per_sec() / 100);
+ qemu_mod_timer(s->modem_status_poll, qemu_get_clock_ns(vm_clock) + get_ticks_per_sec() / 100);
}
static void serial_xmit(void *opaque)
{
SerialState *s = opaque;
- uint64_t new_xmit_ts = qemu_get_clock(vm_clock);
+ uint64_t new_xmit_ts = qemu_get_clock_ns(vm_clock);
if (s->tsr_retry <= 0) {
if (s->fcr & UART_FCR_FE) {
s->tsr_retry = 0;
}
- s->last_xmit_ts = qemu_get_clock(vm_clock);
+ s->last_xmit_ts = qemu_get_clock_ns(vm_clock);
if (!(s->lsr & UART_LSR_THRE))
qemu_mod_timer(s->transmit_timer, s->last_xmit_ts + s->char_transmit_time);
SerialState *s = opaque;
addr &= 7;
-#ifdef DEBUG_SERIAL
- printf("serial: write addr=0x%02x val=0x%02x\n", addr, val);
-#endif
+ DPRINTF("write addr=0x%02x val=0x%02x\n", addr, val);
switch(addr) {
default:
case 0:
qemu_chr_ioctl(s->chr,CHR_IOCTL_SERIAL_SET_TIOCM, &flags);
/* Update the modem status after a one-character-send wait-time, since there may be a response
from the device/computer at the other end of the serial line */
- qemu_mod_timer(s->modem_status_poll, qemu_get_clock(vm_clock) + s->char_transmit_time);
+ qemu_mod_timer(s->modem_status_poll, qemu_get_clock_ns(vm_clock) + s->char_transmit_time);
}
}
break;
if (s->recv_fifo.count == 0)
s->lsr &= ~(UART_LSR_DR | UART_LSR_BI);
else
- qemu_mod_timer(s->fifo_timeout_timer, qemu_get_clock (vm_clock) + s->char_transmit_time * 4);
+ qemu_mod_timer(s->fifo_timeout_timer, qemu_get_clock_ns (vm_clock) + s->char_transmit_time * 4);
s->timeout_ipending = 0;
} else {
ret = s->rbr;
ret = s->scr;
break;
}
-#ifdef DEBUG_SERIAL
- printf("serial: read addr=0x%02x val=0x%02x\n", addr, ret);
-#endif
+ DPRINTF("read addr=0x%02x val=0x%02x\n", addr, ret);
return ret;
}
}
s->lsr |= UART_LSR_DR;
/* call the timeout receive callback in 4 char transmit time */
- qemu_mod_timer(s->fifo_timeout_timer, qemu_get_clock (vm_clock) + s->char_transmit_time * 4);
+ qemu_mod_timer(s->fifo_timeout_timer, qemu_get_clock_ns (vm_clock) + s->char_transmit_time * 4);
} else {
if (s->lsr & UART_LSR_DR)
s->lsr |= UART_LSR_OE;
static void serial_event(void *opaque, int event)
{
SerialState *s = opaque;
-#ifdef DEBUG_SERIAL
- printf("serial: event %x\n", event);
-#endif
+ DPRINTF("event %x\n", event);
if (event == CHR_EVENT_BREAK)
serial_receive_break(s);
}
}
/* Initialize fcr via setter to perform essential side-effects */
serial_ioport_write(s, 0x02, s->fcr_vmstate);
+ serial_update_parameters(s);
return 0;
}
fifo_clear(s,RECV_FIFO);
fifo_clear(s,XMIT_FIFO);
- s->last_xmit_ts = qemu_get_clock(vm_clock);
+ s->last_xmit_ts = qemu_get_clock_ns(vm_clock);
s->thr_ipending = 0;
s->last_break_enable = 0;
exit(1);
}
- s->modem_status_poll = qemu_new_timer(vm_clock, (QEMUTimerCB *) serial_update_msl, s);
+ s->modem_status_poll = qemu_new_timer_ns(vm_clock, (QEMUTimerCB *) serial_update_msl, s);
- s->fifo_timeout_timer = qemu_new_timer(vm_clock, (QEMUTimerCB *) fifo_timeout_int, s);
- s->transmit_timer = qemu_new_timer(vm_clock, (QEMUTimerCB *) serial_xmit, s);
+ s->fifo_timeout_timer = qemu_new_timer_ns(vm_clock, (QEMUTimerCB *) fifo_timeout_int, s);
+ s->transmit_timer = qemu_new_timer_ns(vm_clock, (QEMUTimerCB *) serial_xmit, s);
qemu_register_reset(serial_reset, s);
s->baudbase = 115200;
isa_init_irq(dev, &s->irq, isa->isairq);
serial_init_core(s);
- vmstate_register(isa->iobase, &vmstate_serial, s);
+ qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 3);
register_ioport_write(isa->iobase, 8, 1, serial_ioport_write, s);
register_ioport_read(isa->iobase, 8, 1, serial_ioport_read, s);
+ isa_init_ioport_range(dev, isa->iobase, 8);
return 0;
}
-SerialState *serial_isa_init(int index, CharDriverState *chr)
-{
- ISADevice *dev;
-
- dev = isa_create("isa-serial");
- qdev_prop_set_uint32(&dev->qdev, "index", index);
- qdev_prop_set_chr(&dev->qdev, "chardev", chr);
- if (qdev_init(&dev->qdev) < 0)
- return NULL;
- return &DO_UPCAST(ISASerialState, dev, dev)->state;
-}
+static const VMStateDescription vmstate_isa_serial = {
+ .name = "serial",
+ .version_id = 3,
+ .minimum_version_id = 2,
+ .fields = (VMStateField []) {
+ VMSTATE_STRUCT(state, ISASerialState, 0, vmstate_serial, SerialState),
+ VMSTATE_END_OF_LIST()
+ }
+};
SerialState *serial_init(int base, qemu_irq irq, int baudbase,
CharDriverState *chr)
s->chr = chr;
serial_init_core(s);
- vmstate_register(base, &vmstate_serial, s);
+ vmstate_register(NULL, base, &vmstate_serial, s);
register_ioport_write(base, 8, 1, serial_ioport_write, s);
register_ioport_read(base, 8, 1, serial_ioport_read, s);
s->chr = chr;
serial_init_core(s);
- vmstate_register(base, &vmstate_serial, s);
+ vmstate_register(NULL, base, &vmstate_serial, s);
if (ioregister) {
if (be) {
s_io_memory = cpu_register_io_memory(serial_mm_read_be,
- serial_mm_write_be, s);
+ serial_mm_write_be, s,
+ DEVICE_NATIVE_ENDIAN);
} else {
s_io_memory = cpu_register_io_memory(serial_mm_read_le,
- serial_mm_write_le, s);
+ serial_mm_write_le, s,
+ DEVICE_NATIVE_ENDIAN);
}
cpu_register_physical_memory(base, 8 << it_shift, s_io_memory);
}
static ISADeviceInfo serial_isa_info = {
.qdev.name = "isa-serial",
.qdev.size = sizeof(ISASerialState),
+ .qdev.vmsd = &vmstate_isa_serial,
.init = serial_isa_initfn,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT32("index", ISASerialState, index, -1),
projects / mirror_qemu.git / blobdiff