+ tEHCI_QH *ret;
+ Mutex_Acquire(&Cont->QHPoolMutex);
+ for( int i = 0; i < QH_POOL_SIZE; i ++ )
+ {
+ if( !MM_GetPhysAddr( Cont->QHPools[i/QH_POOL_NPERPAGE] ) ) {
+ tPAddr tmp;
+ Cont->QHPools[i/QH_POOL_NPERPAGE] = (void*)MM_AllocDMA(1, 32, &tmp);
+ memset(Cont->QHPools[i/QH_POOL_NPERPAGE], 0, PAGE_SIZE);
+ }
+
+ ret = &Cont->QHPools[i/QH_POOL_NPERPAGE][i%QH_POOL_NPERPAGE];
+ if( ret->HLink == 0 ) {
+ ret->HLink = 1;
+ ret->Overlay.Link = 1;
+ ret->Endpoint = (Endpoint >> 4) | 0x80 | ((Endpoint & 0xF) << 8)
+ | (MaxPacketSize << 16);
+ // TODO: Endpoint speed (13:12) 0:Full, 1:Low, 2:High
+ // TODO: Control Endpoint Flag (27) 0:*, 1:Full/Low Control
+ Mutex_Release(&Cont->QHPoolMutex);
+ return ret;
+ }
+ }
+ Mutex_Release(&Cont->QHPoolMutex);