int map_fpage(as_t* src, as_t* dst, fpage_t* fpage, map_action_t action) {
fpage_t* fpmap = (fpage_t*) ktable_alloc(&fpage_table);
/*FIXME: check for fpmap == NULL*/
fpmap->as_next = NULL;
/*Copy fpage description*/
fpmap->raw[0] = fpage->raw[0];
fpmap->raw[1] = fpage->raw[1];
/*Set flags correctly*/
if(action == MAP)
fpage->fpage.flags |= FPAGE_MAPPED;
fpmap->fpage.flags = FPAGE_CLONE;
/*Insert into mapee list*/
fpmap->map_next = fpage->map_next;
fpage->map_next = fpmap;
/*Insert into AS*/
insert_fpage_to_as(dst, fpmap);
dbg_printf(DL_MEMORY, "MEM: %s fpage %p from %p to %p\n", (action == MAP)? "mapped" : "granted", fpage, src, dst);
return 0;
}
ktimer_event_t *ktimer_event_create(uint32_t ticks,
ktimer_event_handler_t handler,
void *data)
{
ktimer_event_t *kte = NULL;
if (!handler)
goto ret;
kte = (ktimer_event_t *) ktable_alloc(&ktimer_event_table);
/* No available slots */
if (kte == NULL)
goto ret;
kte->next = NULL;
kte->handler = handler;
kte->data = data;
if (ktimer_event_schedule(ticks, kte) == -1) {
ktable_free(&ktimer_event_table, kte);
kte = NULL;
}
ret:
return kte;
}
/**
* Create and initialize new fpage
* @param base base address of fpage
* @param shift (1 << shift) - fpage size
* @param mpid - id of mpool
* */
fpage_t* create_fpage(memptr_t base, size_t shift, int mpid) {
fpage_t* fpage = (fpage_t*) ktable_alloc(&fpage_table);
assert(fpage != NULL);
fpage->as_next = NULL;
fpage->map_next = fpage; /*That is first fpage in mapping*/
fpage->fpage.mpid = mpid;
fpage->fpage.flags = 0;
fpage->fpage.rwx = MP_USER_PERM(mempool_getbyid(mpid)->flags);
fpage->fpage.base = base;
fpage->fpage.shift = shift;
if(mempool_getbyid(mpid)->flags & MP_MAP_ALWAYS)
fpage->fpage.flags |= FPAGE_ALWAYS;
return fpage;
}