io_device.hh (13799:15badf7874ee) io_device.hh (13892:0182a0601f66)
1/*
2 * Copyright (c) 2012 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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39 *
40 * Authors: Ali Saidi
41 * Nathan Binkert
42 */
43
44#ifndef __DEV_IO_DEVICE_HH__
45#define __DEV_IO_DEVICE_HH__
46
1/*
2 * Copyright (c) 2012 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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39 *
40 * Authors: Ali Saidi
41 * Nathan Binkert
42 */
43
44#ifndef __DEV_IO_DEVICE_HH__
45#define __DEV_IO_DEVICE_HH__
46
47#include "mem/mem_object.hh"
48#include "mem/tport.hh"
49#include "params/BasicPioDevice.hh"
50#include "params/PioDevice.hh"
47#include "mem/tport.hh"
48#include "params/BasicPioDevice.hh"
49#include "params/PioDevice.hh"
50#include "sim/clocked_object.hh"
51
52class PioDevice;
53class System;
54
55/**
56 * The PioPort class is a programmed i/o port that all devices that are
57 * sensitive to an address range use. The port takes all the memory
58 * access types and roles them into one read() and write() call that the device

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76
77/**
78 * This device is the base class which all devices senstive to an address range
79 * inherit from. There are three pure virtual functions which all devices must
80 * implement getAddrRanges(), read(), and write(). The magic do choose which
81 * mode we are in, etc is handled by the PioPort so the device doesn't have to
82 * bother.
83 */
51
52class PioDevice;
53class System;
54
55/**
56 * The PioPort class is a programmed i/o port that all devices that are
57 * sensitive to an address range use. The port takes all the memory
58 * access types and roles them into one read() and write() call that the device

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76
77/**
78 * This device is the base class which all devices senstive to an address range
79 * inherit from. There are three pure virtual functions which all devices must
80 * implement getAddrRanges(), read(), and write(). The magic do choose which
81 * mode we are in, etc is handled by the PioPort so the device doesn't have to
82 * bother.
83 */
84class PioDevice : public MemObject
84class PioDevice : public ClockedObject
85{
86 protected:
87 System *sys;
88
89 /** The pioPort that handles the requests for us and provides us requests
90 * that it sees. */
91 PioPort pioPort;
92

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86 protected:
87 System *sys;
88
89 /** The pioPort that handles the requests for us and provides us requests
90 * that it sees. */
91 PioPort pioPort;
92

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