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Diffstat (limited to 'dev/baddev.hh')
-rw-r--r-- | dev/baddev.hh | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/dev/baddev.hh b/dev/baddev.hh deleted file mode 100644 index 189f28331..000000000 --- a/dev/baddev.hh +++ /dev/null @@ -1,95 +0,0 @@ -/* - * Copyright (c) 2004-2005 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. - */ - -/** @file - * This devices just panics when touched. For example if you have a - * kernel that touches the frame buffer which isn't allowed. - */ - -#ifndef __DEV_BADDEV_HH__ -#define __DEV_BADDEV_HH__ - -#include "base/range.hh" -#include "dev/io_device.hh" - -class MemoryController; - -/** - * BadDevice - * This device just panics when accessed. It is supposed to warn - * the user that the kernel they are running has unsupported - * options (i.e. frame buffer) - */ -class BadDevice : public PioDevice -{ - private: - Addr addr; - static const Addr size = 0xf; - - std::string devname; - - public: - /** - * Constructor for the Baddev Class. - * @param name name of the object - * @param a base address of the write - * @param mmu the memory controller - * @param hier object to store parameters universal the device hierarchy - * @param bus The bus that this device is attached to - * @param devicename device that is not implemented - */ - BadDevice(const std::string &name, Addr a, MemoryController *mmu, - HierParams *hier, Bus *bus, const std::string &devicename); - - /** - * On a read event we just panic aand hopefully print a - * meaningful error message. - * @param req Contains the address to read from. - * @param data A pointer to write the read data to. - * @return The fault condition of the access. - */ - virtual Fault read(MemReqPtr &req, uint8_t *data); - - /** - * On a write event we just panic aand hopefully print a - * meaningful error message. - * @param req Contains the address to write to. - * @param data The data to write. - * @return The fault condition of the access. - */ - virtual Fault write(MemReqPtr &req, const uint8_t *data); - - /** - * Return how long this access will take. - * @param req the memory request to calcuate - * @return Tick when the request is done - */ - Tick cacheAccess(MemReqPtr &req); -}; - -#endif // __DEV_BADDEV_HH__ |