static void timer_test_constants(void)
{
kprintf("TIMER_HW_HPTICKS_PER_SEC=%lu\n", (unsigned long)TIMER_HW_HPTICKS_PER_SEC);
#ifdef TIMER_PRESCALER
kprintf("TIMER_PRESCALER = %lu\n", (unsigned long)TIMER_PRESCALER);
#endif
#ifdef TIMER1_OVF_COUNT
kprintf("TIMER1_OVF_COUNT = %lu\n", (unsigned long)TIMER1_OVF_COUNT);
#endif
kprintf("TIMER_TICKS_PER_SEC= %lu\n", (unsigned long)TIMER_TICKS_PER_SEC);
kprintf("\n");
kprintf("ms_to_ticks(100) = %lu\n", (unsigned long)ms_to_ticks(100));
kprintf("ms_to_ticks(10000) = %lu\n", (unsigned long)ms_to_ticks(10000));
kprintf("us_to_ticks(100) = %lu\n", (unsigned long)us_to_ticks(100));
kprintf("us_to_ticks(10000) = %lu\n", (unsigned long)us_to_ticks(10000));
kprintf("\n");
kprintf("ticks_to_ms(100) = %lu\n", (unsigned long)ticks_to_ms(100));
kprintf("ticks_to_ms(10000) = %lu\n", (unsigned long)ticks_to_ms(10000));
kprintf("ticks_to_us(100) = %lu\n", (unsigned long)ticks_to_us(100));
kprintf("ticks_to_us(10000) = %lu\n", (unsigned long)ticks_to_us(10000));
kprintf("\n");
kprintf("hptime_to_us(100) = %lu\n", (unsigned long)hptime_to_us(100));
#if (SIZEOF_HPTIME_T > 1)
kprintf("hptime_to_us(10000)= %lu\n", (unsigned long)hptime_to_us(10000));
#endif
kprintf("us_to_hptime(100) = %lu\n", (unsigned long)us_to_hptime(100));
kprintf("us_to_hptime(10000)= %lu\n", (unsigned long)us_to_hptime(10000));
}
uint32 cdp_cmd(UNIT * uptr, uint16 cmd, uint16 dev)
{
int chan = UNIT_G_CHAN(uptr->flags);
int u = (uptr - cdp_unit);
extern uint16 IC;
if ((uptr->flags & UNIT_ATT) != 0 && cmd == IO_WRS) {
/* Start device */
if (!(uptr->u5 & CDPSTA_CMD)) {
dev_pulse[chan] &= ~PUNCH_M;
uptr->u5 &= ~CDPSTA_PUNCH;
if ((uptr->u5 & CDPSTA_ON) == 0) {
uptr->wait = 330; /* Startup delay */
} else if (uptr->u5 & CDPSTA_IDLE && uptr->wait <= 30) {
uptr->wait += 85; /* Wait for next latch point */
}
uptr->u5 |= (CDPSTA_WRITE | CDPSTA_CMD);
uptr->u5 &= ~CDPSTA_POSMASK;
chan_set_sel(chan, 1);
chan_clear_status(chan);
sim_activate(uptr, us_to_ticks(1000)); /* activate */
sim_debug(DEBUG_CMD, &cdp_dev, "%05o WRS unit=%d\n", IC, u);
return SCPE_OK;
}
}
chan_set_attn(chan);
return SCPE_IOERR;
}
/* generate an interrupt after the specified time (in microseconds) */
void
clock_generate_interrupt(uint64_t time)
{
uint64_t clock = clock_read();
while(timer_timeout(timer_device.ti, us_to_ticks(timer_device.frequency, clock + time)))
time *= 2;
}
/* delay x useconds */
void __udelay(unsigned long usec)
{
unsigned long start = readl(&timer_base->tcrr);
unsigned long ticks = us_to_ticks(usec);
if (usec == 0)
return;
if (ticks == 0)
ticks++;
while (readl(&timer_base->tcrr) - start < ticks)
/* NOP */ ;
}
/* Wait for the specified time (in microseconds) */
void
clock_wait(uint64_t time)
{
int error;
uint64_t clock = clock_read();
uint64_t timeout = clock + time;
error = okn_syscall_interrupt_register(CLOCK_IRQ);
assert(!error);
if (timer_timeout(timer_device.ti, us_to_ticks(timer_device.frequency, timeout))) {
error = okn_syscall_interrupt_deregister(CLOCK_IRQ);
assert(!error);
return; /* Already expired */
}
/* wait for the interrupt */
while(!device_interrupt(timer_device.di, okn_syscall_interrupt_wait()));
error = okn_syscall_interrupt_deregister(CLOCK_IRQ);
assert(!error);
}
t_stat cdp_srv(UNIT * uptr)
{
int chan = UNIT_G_CHAN(uptr->flags);
int u = (uptr - cdp_unit);
int pos;
t_uint64 wd;
int bit;
t_uint64 mask;
int b;
int col;
struct _card_data *data;
/* Channel has disconnected, abort current card. */
if (uptr->u5 & CDPSTA_CMD && chan_stat(chan, DEV_DISCO)) {
if ((uptr->u5 & CDPSTA_POSMASK) != 0) {
sim_debug(DEBUG_DETAIL, &cdp_dev, "punch card\n");
sim_punch_card(uptr, NULL);
uptr->u5 &= ~CDPSTA_PUNCH;
}
uptr->u5 &= ~(CDPSTA_WRITE | CDPSTA_CMD | CDPSTA_POSMASK);
chan_clear(chan, DEV_WEOR | DEV_SEL);
sim_debug(DEBUG_CHAN, &cdp_dev, "unit=%d disconnect\n", u);
}
/* Check to see if we have timed out */
if (uptr->wait != 0) {
uptr->wait--;
/* If at end of record and channel is still active, do another read */
if (
((uptr->u5 & (CDPSTA_CMD | CDPSTA_IDLE | CDPSTA_WRITE | CDPSTA_ON))
== (CDPSTA_CMD | CDPSTA_IDLE | CDPSTA_ON)) && uptr->wait > 30
&& chan_test(chan, STA_ACTIVE)) {
uptr->u5 |= CDPSTA_WRITE;
uptr->u5 &= ~CDPSTA_IDLE;
chan_set(chan, DEV_WRITE);
chan_clear(chan, DEV_WEOR);
sim_debug(DEBUG_CHAN, &cdp_dev, "unit=%d restarting\n", u);
}
sim_activate(uptr, us_to_ticks(1000)); /* activate */
return SCPE_OK;
}
/* If no write request, go to idle mode */
if ((uptr->u5 & CDPSTA_WRITE) == 0) {
if ((uptr->u5 & (CDPSTA_IDLE | CDPSTA_ON)) ==
(CDPSTA_IDLE | CDPSTA_ON)) {
uptr->wait = 85; /* Delay 85ms */
uptr->u5 &= ~CDPSTA_IDLE; /* Not running */
sim_activate(uptr, us_to_ticks(1000));
} else {
uptr->u5 &= ~CDPSTA_ON; /* Turn motor off */
}
return SCPE_OK;
}
/* Motor is up to speed now */
uptr->u5 |= CDPSTA_ON;
uptr->u5 &= ~CDPSTA_IDLE; /* Not running */
if (dev_pulse[chan] & PUNCH_M)
uptr->u5 |= CDPSTA_PUNCH;
pos = (uptr->u5 & CDPSTA_POSMASK) >> CDPSTA_POSSHIFT;
if (pos == 24) {
if (chan_test(chan, STA_ACTIVE)) {
sim_debug(DEBUG_CHAN, &cdp_dev, "unit=%d set EOR\n", u);
chan_set(chan, DEV_REOR);
} else {
chan_clear(chan, DEV_WEOR | DEV_SEL);
sim_debug(DEBUG_CHAN, &cdp_dev, "unit=%d disconnect\n", u);
}
sim_debug(DEBUG_DETAIL, &cdp_dev, "punch card\n");
sim_punch_card(uptr, NULL);
uptr->u5 |= CDPSTA_IDLE;
uptr->u5 &= ~(CDPSTA_WRITE | CDPSTA_POSMASK | CDPSTA_PUNCH);
uptr->wait = 85;
sim_activate(uptr, us_to_ticks(1000));
return SCPE_OK;
}
sim_debug(DEBUG_DATA, &cdp_dev, "unit=%d write column %d ", u, pos);
wd = 0;
data = (struct _card_data *)uptr->up7;
switch (chan_read(chan, &wd, 0)) {
case DATA_OK:
sim_debug(DEBUG_DATA, &cdp_dev, " %012llo\n", wd);
/* Bit flip into temp buffer */
bit = 1 << (pos / 2);
mask = 1;
b = (pos & 1)?36:0;
for (col = 35; col >= 0; mask <<= 1, col--) {
if (wd & mask)
data->image[col + b] |= bit;
}
pos++;
uptr->wait = 0;
uptr->u5 &= ~CDPSTA_POSMASK;
uptr->u5 |= (pos << CDPSTA_POSSHIFT) & CDPSTA_POSMASK;
sim_activate(uptr, (pos & 1) ? us_to_ticks(300) : us_to_ticks(8000));
return SCPE_OK;
case END_RECORD:
sim_debug(DEBUG_DATA, &cdp_dev, "eor\n");
uptr->wait = 8 * (12 - (pos / 2)) /*+ 85*/;
uptr->u5 &= ~(CDPSTA_POSMASK);
uptr->u5 |= (24 << CDPSTA_POSSHIFT) & CDPSTA_POSMASK;
break;
case TIME_ERROR:
sim_debug(DEBUG_DATA, &cdp_dev, "no data\n");
uptr->wait = 8 * (12 - (pos / 2)) /*+ 85*/;
uptr->u5 &= ~(CDPSTA_POSMASK);
uptr->u5 |= (24 << CDPSTA_POSSHIFT) & CDPSTA_POSMASK;
break;
}
sim_activate(uptr, us_to_ticks(1000));
return SCPE_OK;
}
/* This is usually in libogc; we can't use that on wiiu */
int usleep(useconds_t microseconds) {
OSSleepTicks(us_to_ticks(microseconds));
return 0;
}