int kchar_init(void)
{
sysarg_t present;
int rc = sysinfo_get_value("fb", &present);
if (rc != EOK)
present = false;
if (!present)
return ENOENT;
sysarg_t kind;
rc = sysinfo_get_value("fb.kind", &kind);
if (rc != EOK)
kind = (sysarg_t) -1;
if (kind != 3)
return EINVAL;
sysarg_t paddr;
rc = sysinfo_get_value("fb.address.physical", &paddr);
if (rc != EOK)
return rc;
rc = physmem_map((void *) paddr,
ALIGN_UP(1, PAGE_SIZE) >> PAGE_WIDTH,
AS_AREA_READ | AS_AREA_WRITE, (void *) &kchar.addr);
if (rc != EOK)
return rc;
return serial_init(kchar_putchar, kchar_control_puts);
}
static int cuda_init(void)
{
if (sysinfo_get_value("cuda.address.physical", &(instance->cuda_physical)) != EOK)
return -1;
void *vaddr;
if (pio_enable((void *) instance->cuda_physical, sizeof(cuda_t), &vaddr) != 0)
return -1;
dev = vaddr;
instance->cuda = dev;
instance->xstate = cx_listen;
instance->bidx = 0;
instance->snd_bytes = 0;
fibril_mutex_initialize(&instance->dev_lock);
/* Disable all interrupts from CUDA. */
pio_write_8(&dev->ier, IER_CLR | ALL_INT);
cuda_irq_code.ranges[0].base = (uintptr_t) instance->cuda_physical;
cuda_irq_code.cmds[0].addr = (void *) &((cuda_t *) instance->cuda_physical)->ifr;
async_set_interrupt_received(cuda_irq_handler);
irq_register(10, device_assign_devno(), 0, &cuda_irq_code);
/* Enable SR interrupt. */
pio_write_8(&dev->ier, TIP | TREQ);
pio_write_8(&dev->ier, IER_SET | SR_INT);
/* Enable ADB autopolling. */
cuda_autopoll_set(true);
return 0;
}
QString QmSystemInformationPrivate::valueForKey(const QString &key) const
{
QString value("");
uint8_t *data = 0;
#if HAVE_SYSINFO
unsigned long size = 0;
if (!systemConfig) {
goto EXIT;
}
if (sysinfo_get_value(systemConfig, key.toStdString().c_str(), &data, &size) != 0) {
/* Failed to read the key from the system configuration */
goto EXIT;
}
for (unsigned long k=0; k < size; k++) {
/* Values can contain non-ascii data -> escape those */
int c = data[k];
if (c < 32 || c > 126)
continue;
value += (char)c;
}
#endif /* HAVE_SYSINFO */
EXIT:
/* Free allocation done by sysinfo_get_value() */
if (data) {
free(data), data = 0;
}
return value;
}
/* Returns the product version string */
inline const QString& product()
{
static QString result;
#ifdef MEEGO
return result;
#else
if (result.isNull()) {
struct system_config *sc = 0;
if( sysinfo_init(&sc) == 0 ) {
uint8_t *data = 0;
unsigned long size = 0;
if( sysinfo_get_value(sc, "/component/product", &data, &size) == 0 ) {
result = QString::fromLatin1 ((const char*)data, size);
free(data);
}
}
sysinfo_finish(sc);
// this prevents that this block runs twice:
if (result.isNull()) result = "";
qDebug ("Product is \"%s\"", qPrintable(result));
}
return result;
#endif
}
/** Get system uptime
*
* @return System uptime (in seconds).
*
*/
sysarg_t stats_get_uptime(void)
{
sysarg_t uptime;
if (sysinfo_get_value("system.uptime", &uptime) != EOK)
uptime = 0;
return uptime;
}
/**
* Connect to IRC service. This function should be called only from
* the add_device handler, thus no locking is required.
*
* @param nic_data
*
* @return EOK If connection was successful.
* @return EINVAL If the IRC service cannot be determined.
* @return EREFUSED If IRC service cannot be connected.
*/
int nic_connect_to_services(nic_t *nic_data)
{
/* IRC service */
sysarg_t apic;
sysarg_t i8259;
services_t irc_service = -1;
if (((sysinfo_get_value("apic", &apic) == EOK) && (apic)) ||
((sysinfo_get_value("i8259", &i8259) == EOK) && (i8259)))
irc_service = SERVICE_IRC;
else
return EINVAL;
nic_data->irc_session = service_connect_blocking(EXCHANGE_SERIALIZE,
irc_service, 0, 0);
if (nic_data->irc_session == NULL)
return errno;
return EOK;
}
/** Get time of day
*
* The time variables are memory mapped (read-only) from kernel which
* updates them periodically.
*
* As it is impossible to read 2 values atomically, we use a trick:
* First we read the seconds, then we read the microseconds, then we
* read the seconds again. If a second elapsed in the meantime, set
* the microseconds to zero.
*
* This assures that the values returned by two subsequent calls
* to gettimeofday() are monotonous.
*
*/
int gettimeofday(struct timeval *tv, struct timezone *tz)
{
if (ktime == NULL) {
uintptr_t faddr;
int rc = sysinfo_get_value("clock.faddr", &faddr);
if (rc != EOK) {
errno = rc;
return -1;
}
void *addr;
rc = physmem_map((void *) faddr, 1,
AS_AREA_READ | AS_AREA_CACHEABLE, &addr);
if (rc != EOK) {
as_area_destroy(addr);
errno = rc;
return -1;
}
ktime = addr;
}
if (tz) {
tz->tz_minuteswest = 0;
tz->tz_dsttime = DST_NONE;
}
sysarg_t s2 = ktime->seconds2;
read_barrier();
tv->tv_usec = ktime->useconds;
read_barrier();
sysarg_t s1 = ktime->seconds1;
if (s1 != s2) {
tv->tv_sec = max(s1, s2);
tv->tv_usec = 0;
} else
tv->tv_sec = s1;
return 0;
}
/** Initialize the APIC driver.
*
*/
static bool apic_init(void)
{
sysarg_t apic;
if ((sysinfo_get_value("apic", &apic) != EOK) || (!apic)) {
printf("%s: No APIC found\n", NAME);
return false;
}
int rc = pio_enable((void *) IO_APIC_BASE, IO_APIC_SIZE,
(void **) &io_apic);
if (rc != EOK) {
printf("%s: Failed to enable PIO for APIC: %d\n", NAME, rc);
return false;
}
async_set_fallback_port_handler(apic_connection, NULL);
service_register(SERVICE_IRC);
return true;
}
int ega_init(void)
{
sysarg_t present;
int rc = sysinfo_get_value("fb", &present);
if (rc != EOK)
present = false;
if (!present)
return ENOENT;
sysarg_t kind;
rc = sysinfo_get_value("fb.kind", &kind);
if (rc != EOK)
kind = (sysarg_t) -1;
if (kind != 2)
return EINVAL;
sysarg_t paddr;
rc = sysinfo_get_value("fb.address.physical", &paddr);
if (rc != EOK)
return rc;
rc = sysinfo_get_value("fb.width", &ega.cols);
if (rc != EOK)
return rc;
rc = sysinfo_get_value("fb.height", &ega.rows);
if (rc != EOK)
return rc;
rc = pio_enable((void*)EGA_IO_BASE, EGA_IO_SIZE, NULL);
if (rc != EOK)
return rc;
ega.size = (ega.cols * ega.rows) << 1;
rc = physmem_map((void *) paddr,
ALIGN_UP(ega.size, PAGE_SIZE) >> PAGE_WIDTH,
AS_AREA_READ | AS_AREA_WRITE, (void *) &ega.addr);
if (rc != EOK)
return rc;
sysarg_t blinking;
rc = sysinfo_get_value("fb.blinking", &blinking);
if (rc != EOK)
blinking = false;
ega.style_normal = 0xf0;
ega.style_inverted = 0x0f;
if (blinking) {
ega.style_normal &= 0x77;
ega.style_inverted &= 0x77;
}
outdev_t *dev = outdev_register(&ega_ops, (void *) &ega);
if (dev == NULL) {
as_area_destroy(ega.addr);
return EINVAL;
}
return EOK;
}