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Diffstat (limited to 'dev/io_device.hh')
-rw-r--r-- | dev/io_device.hh | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/dev/io_device.hh b/dev/io_device.hh new file mode 100644 index 000000000..39e6fa4aa --- /dev/null +++ b/dev/io_device.hh @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2003 The Regents of The University of Michigan + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __IO_DEVICE_HH__ +#define __IO_DEVICE_HH__ + +#include "mem/functional_mem/functional_memory.hh" + +class BaseInterface; +class Bus; +class HierParams; + +class PioDevice : public FunctionalMemory +{ + protected: + BaseInterface *pioInterface; + + public: + PioDevice(const std::string &name); + virtual ~PioDevice(); +}; + +class DmaDevice : public PioDevice +{ + protected: + BaseInterface *dmaInterface; + + public: + DmaDevice(const std::string &name); + virtual ~DmaDevice(); +}; + +#endif // __IO_DEVICE_HH__ |