100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @file
|
||
|
|
* Device model for an IDE disk
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __IDE_DISK_HH__
|
||
|
|
#define __IDE_DISK_HH__
|
||
|
|
|
||
|
|
#include "dev/io_device.hh"
|
||
|
|
|
||
|
|
class DiskImage;
|
||
|
|
class IdeController;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* SCSI Disk device model
|
||
|
|
*/
|
||
|
|
class IdeDisk : public SimObject
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
/** The IDE controller for this disk. */
|
||
|
|
IdeController *ctrl;
|
||
|
|
/** The image that contains the data of this disk. */
|
||
|
|
DiskImage *image;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
/** The disk delay in milliseconds. */
|
||
|
|
int diskDelay;
|
||
|
|
|
||
|
|
public:
|
||
|
|
/**
|
||
|
|
* Create and initialize this Disk.
|
||
|
|
* @param name The name of this disk.
|
||
|
|
* @param img The disk image of this disk.
|
||
|
|
* @param disk_delay The disk delay in milliseconds
|
||
|
|
*/
|
||
|
|
IdeDisk(const std::string &name, DiskImage *img, int disk_delay);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Delete the data buffer.
|
||
|
|
*/
|
||
|
|
~IdeDisk();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the controller for this device
|
||
|
|
* @param c The IDE controller
|
||
|
|
*/
|
||
|
|
void setController(IdeController *c) {
|
||
|
|
if (ctrl) panic("Cannot change the controller once set!\n");
|
||
|
|
ctrl = c;
|
||
|
|
}
|
||
|
|
|
||
|
|
void startIO(uint8_t *cmdBlk, uint8_t *prdPtr) {};
|
||
|
|
|
||
|
|
void dmaStart() {};
|
||
|
|
void dmaStop() {};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Serialize this object to the given output stream.
|
||
|
|
* @param os The stream to serialize to.
|
||
|
|
*/
|
||
|
|
void serialize(std::ostream &os);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reconstruct the state of this object from a checkpoint.
|
||
|
|
* @param cp The checkpoint to use.
|
||
|
|
* @param section The section name describing this object.
|
||
|
|
*/
|
||
|
|
void unserialize(Checkpoint *cp, const std::string §ion);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#endif // __IDE_DISK_HH__
|