void enable() {
endpoint_t ep;
char name[256];
int priv_f;
/* Fetch our endpoint */
sys_whoami(&ep, name, 256, &priv_f);
/* Enable IO-sensitive operations for ourselves */
sys_enable_iop(ep);
asm( "STI" );
}
/*===========================================================================*
* panic *
*===========================================================================*/
void panic(const char *fmt, ...)
{
/* Something awful has happened. Panics are caused when an internal
* inconsistency is detected, e.g., a programming error or illegal
* value of a defined constant.
*/
endpoint_t me = NONE;
char name[20];
int priv_flags;
int init_flags;
void (*suicide)(void);
va_list args;
if(sys_whoami(&me, name, sizeof(name), &priv_flags, &init_flags) == OK && me != NONE)
printf("%s(%d): panic: ", name, me);
else
printf("(sys_whoami failed): panic: ");
if(fmt) {
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
} else {
printf("no message\n");
}
printf("\n");
printf("syslib:panic.c: stacktrace: ");
util_stacktrace();
panic_hook();
/* Try exit */
_exit(1);
/* Try to signal ourself */
abort();
/* If exiting nicely through PM fails for some reason, try to
* commit suicide. E.g., message to PM might fail due to deadlock.
*/
suicide = (void (*)(void)) -1;
suicide();
/* If committing suicide fails for some reason, hang. */
for(;;) { }
}
static int sef_cb_init_fresh(__unused int type, __unused sef_init_info_t *info)
{
int err;
unsigned int hz;
char my_name[16];
int my_priv;
err = sys_whoami(&lwip_ep, my_name, sizeof(my_name), &my_priv);
if (err != OK)
panic("Cannot get own endpoint");
nic_init_all();
inet_read_conf();
/* init lwip library */
stats_init();
sys_init();
mem_init();
memp_init();
pbuf_init();
hz = sys_hz();
arp_ticks = ARP_TMR_INTERVAL / (1000 / hz);
tcp_fticks = TCP_FAST_INTERVAL / (1000 / hz);
tcp_sticks = TCP_SLOW_INTERVAL / (1000 / hz);
etharp_init();
set_timer(&arp_tmr, arp_ticks, arp_watchdog, 0);
set_timer(&tcp_ftmr, tcp_fticks, tcp_fwatchdog, 0);
set_timer(&tcp_stmr, tcp_sticks, tcp_swatchdog, 0);
netif_init();
netif_lo = netif_find("lo0");
/* Read configuration. */
#if 0
nw_conf();
/* Get a random number */
timerand= 1;
fd = open(RANDOM_DEV_NAME, O_RDONLY | O_NONBLOCK);
if (fd != -1)
{
err= read(fd, randbits, sizeof(randbits));
if (err == sizeof(randbits))
timerand= 0;
else
{
printf("inet: unable to read random data from %s: %s\n",
RANDOM_DEV_NAME, err == -1 ? strerror(errno) :
err == 0 ? "EOF" : "not enough data");
}
close(fd);
}
else
{
printf("inet: unable to open random device %s: %s\n",
RANDOM_DEV_NAME, strerror(errno));
}
if (timerand)
{
printf("inet: using current time for random-number seed\n");
err= gettimeofday(&tv, NULL);
if (err == -1)
{
printf("sysutime failed: %s\n", strerror(errno));
exit(1);
}
memcpy(randbits, &tv, sizeof(tv));
}
init_rand256(randbits);
#endif
/* Subscribe to driver events for network drivers. */
if ((err = ds_subscribe("drv\\.net\\..*",
DSF_INITIAL | DSF_OVERWRITE)) != OK)
panic(("inet: can't subscribe to driver events"));
/* Announce we are up. LWIP announces its presence to VFS just like
* any other character driver.
*/
chardriver_announce();
return(OK);
}
