io_device.hh revision 1762
12SN/A/* 21762SN/A * Copyright (c) 2004-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu */ 282665Ssaidi@eecs.umich.edu 292SN/A#ifndef __DEV_IO_DEVICE_HH__ 302SN/A#define __DEV_IO_DEVICE_HH__ 312SN/A 322SN/A#include "mem/functional/functional.hh" 332SN/A 342SN/Aclass BaseInterface; 35400SN/Aclass Bus; 362SN/Aclass HierParams; 37400SN/Aclass Platform; 382SN/Atemplate <class BusType> class DMAInterface; 392SN/A 402SN/Aclass PioDevice : public FunctionalMemory 41400SN/A{ 422SN/A protected: 43400SN/A Platform *platform; 44400SN/A BaseInterface *pioInterface; 452SN/A Tick pioLatency; 46400SN/A 47400SN/A public: 48400SN/A PioDevice(const std::string &name, Platform *p); 49400SN/A virtual ~PioDevice(); 50400SN/A}; 51400SN/A 52658SN/Aclass DmaDevice : public PioDevice 53400SN/A{ 54400SN/A protected: 55658SN/A DMAInterface<Bus> *dmaInterface; 56658SN/A 57400SN/A public: 58400SN/A DmaDevice(const std::string &name, Platform *p); 59400SN/A virtual ~DmaDevice(); 60400SN/A}; 61400SN/A 62400SN/A#endif // __DEV_IO_DEVICE_HH__ 63400SN/A