/*-------------------------------------------------------------------------
* xmmap - xmmap
*-------------------------------------------------------------------------
*/
SYSCALL xmmap(int virtpage, bsd_t source, int npages)
{
/* sanity check ! */
STATWORD ps;
if ((virtpage < 4096) || ( source < 0 ) || ( source > TOTAL_BS) ||(npages < 1) || ( npages > 128) || bsm_tab[source].is_private == YES)
{
kprintf("xmmap call error: parameter error! \n");
return SYSERR;
}
disable(ps);
return bsm_map(currpid, virtpage, source, npages);
restore(ps);
}
/*-------------------------------------------------------------------------
* xmmap - xmmap
*-------------------------------------------------------------------------
*/
SYSCALL xmmap(int virtpage, bsd_t source, int npages)
{
/* sanity check ! */
STATWORD ps;
if ( (virtpage < 4096) || INVALID_BSID(source) ||(npages < 1) || ( npages > 128)){
kprintf("xmmap call error: parameter error! \n");
return SYSERR;
}
if(bsm_tab[source].bs_status == BSM_MAPPED_PR){
kprintf("Error: Trying to map private heap\n");
return SYSERR;
}
disable(ps);
ERROR_CHECK2( bsm_map(currpid, virtpage, source, npages), ps );
restore(ps);
return OK;
}
/*-------------------------------------------------------------------------
* xmmap - xmmap
*-------------------------------------------------------------------------
*/
SYSCALL xmmap(int virtpage, bsd_t source, int npages)
{
STATWORD ps;
bs_map_t* main_bs;
int getReturnValue;
/* sanity check ! */
if ( (virtpage < 4096) || ( source < 0 ) || ( source > MAX_ID) ||(npages < 1) || ( npages >128)){
//kprintf("xmmap call error: parameter error! \n");
return SYSERR;
}
disable(ps);
//kprintf("\nInside xmap()..bsd req :%d and npages %d", source, npages);
//kprintf("xmmap - to be implemented!\n");
main_bs = &bsm_tab[source];
getReturnValue = check_bs_used_xmmap(source);
if( getReturnValue == SYSERR )
{
//kprintf("\nInside xmap()..error in bs");
restore(ps);
return(SYSERR);
}
getReturnValue = bsm_map(currpid, virtpage, source, npages);
if( getReturnValue == SYSERR )
{
//kprintf("\nInside xmap()..error in mapping");
restore(ps);
return(SYSERR);
}
restore(ps);
return(OK);
}
