gem5/dev/tsunami.hh

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/*
* 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
* Declaration of top level class for the Tsunami chipset. This class just retains pointers
* to all its children so the children can communicate
*/
#ifndef __TSUNAMI_HH__
#define __TSUNAMI_HH__
#include "sim/sim_object.hh"
class IntrControl;
class ConsoleListener;
class SimConsole;
class ScsiController;
class TlaserClock;
class EtherDev;
class TsunamiCChip;
class TsunamiPChip;
class TsunamiPCIConfig;
/**
* Top level class for Tsunami Chipset emulation.
* This structure just contains pointers to all the
* children so the children can commnicate to do the
* read work
*/
class Tsunami : public SimObject
{
public:
/** Max number of CPUs in a Tsunami */
static const int Max_CPUs = 4;
/** Pointer to the interrupt controller (used to post and ack interrupts on the CPU) */
IntrControl *intrctrl;
/** Pointer to the UART emulation code */
SimConsole *cons;
/** Pointer to the SCSI controller device */
ScsiController *scsi;
/** Pointer to the ethernet controller device */
EtherDev *ethernet;
/** Pointer to the Tsunami CChip.
* The chip contains some configuration information and
* all the interrupt mask and status registers
*/
TsunamiCChip *cchip;
/** Pointer to the Tsunami PChip.
* The pchip is the interface to the PCI bus, in our case
* it does not have to do much.
*/
TsunamiPChip *pchip;
/** Pointer to the Tsunami PCI Config Space
* The config space in tsunami all needs to return
* -1 if a device is not there.
*/
TsunamiPCIConfig *pciconfig;
int intr_sum_type[Tsunami::Max_CPUs];
int ipi_pending[Tsunami::Max_CPUs];
int interrupt_frequency;
public:
/**
* Constructor for the Tsunami Class.
* @param
*/
Tsunami(const std::string &name, ScsiController *scsi,
EtherDev *ethernet,
SimConsole *, IntrControl *intctrl, int intrFreq);
virtual void serialize(std::ostream &os);
virtual void unserialize(Checkpoint *cp, const std::string &section);
};
#endif // __TSUNAMI_HH__