int main(int argc, char** argv)
{
uint32_t vcoreid = vcore_id();
int retval = 0;
mcs_barrier_init(&b, max_vcores());
/* begin: stuff userspace needs to do before switching to multi-mode */
vcore_lib_init();
#if 0
/* tell the kernel where and how we want to receive notifications */
struct notif_method *nm;
for (int i = 0; i < MAX_NR_NOTIF; i++) {
nm = &__procdata.notif_methods[i];
nm->flags |= NOTIF_WANTED | NOTIF_MSG | NOTIF_IPI;
nm->vcoreid = i % 2; // vcore0 or 1, keepin' it fresh.
}
#endif
/* Need to save this somewhere that you can find it again when restarting
* core0 */
core0_tls = get_tls_desc(0);
/* Need to save our floating point state somewhere (like in the
* user_thread_tcb so it can be restarted too */
/* end: stuff userspace needs to do before switching to multi-mode */
/* get into multi mode */
retval = vcore_request(1);
if (retval)
printf("F****d!\n");
printf("Proc %d requesting another vcore\n", getpid());
begin = read_tsc();
retval = vcore_request(1);
if (retval)
printf("F****d!\n");
while (!core1_up)
cpu_relax;
end = read_tsc();
printf("Took %llu usec (%llu nsec) to receive 1 core (cold).\n",
udiff(begin, end), ndiff(begin, end));
printf("[T]:002:%llu:%llu:1:C.\n",
udiff(begin, end), ndiff(begin, end));
core1_up = FALSE;
udelay(2000000);
printf("Proc %d requesting the vcore again\n", getpid());
begin = read_tsc();
retval = vcore_request(1);
if (retval)
printf("F****d!\n");
while (!core1_up)
cpu_relax();
end = read_tsc();
printf("Took %llu usec (%llu nsec) to receive 1 core (warm).\n",
udiff(begin, end), ndiff(begin, end));
printf("[T]:002:%llu:%llu:1:W.\n",
udiff(begin, end), ndiff(begin, end));
return 0;
}
void
clean(uint16_t seq, int64_t now, void *v)
{
int ttl;
Req **l, *r;
ttl = 0;
if (v) {
if (proto->version == 4)
ttl = ((struct ip4hdr *)v)->ttl;
else
ttl = ((struct ip6hdr *)v)->ttl;
}
spin_pdr_lock(&listlock);
last = NULL;
for(l = &first; *l; ){
r = *l;
if(v && r->seq == seq){
r->rtt = ndiff(r->tsctime, now);
r->ttl = ttl;
reply(r, v);
}
if (now - r->tsctime > MINUTETSC) {
*l = r->next;
r->rtt = ndiff(r->tsctime, now);
if(v)
r->ttl = ttl;
if(r->replied == 0)
lost(r, v);
free(r);
}else{
last = r;
l = &r->next;
}
}
spin_pdr_unlock(&listlock);
}
differential(long n, long order = 0) { // 0 := quadratic, 1:= qubic
ndiff(n, order);
};
differential2(long n, long order = 0) {
ndiff(n, order);
};
