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/*
* 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.
*
* Authors: Ali Saidi
* Rick Strong
*/
/**
* @file
* Declaration of top level class for the Malta chipset. This class just
* retains pointers to all its children so the children can communicate.
*/
#ifndef __DEV_MALTA_HH__
#define __DEV_MALTA_HH__
#include "dev/platform.hh"
#include "params/Malta.hh"
class IdeController;
class MaltaCChip;
class MaltaPChip;
class MaltaIO;
class System;
/**
* Top level class for Malta Chipset emulation.
* This structure just contains pointers to all the
* children so the children can commnicate to do the
* read work
*/
class Malta : public Platform
{
public:
/** Max number of CPUs in a Malta */
static const int Max_CPUs = 64;
/** Pointer to the system */
System *system;
/** Pointer to the MaltaIO device which has the RTC */
MaltaIO *io;
/** Pointer to the Malta CChip.
* The chip contains some configuration information and
* all the interrupt mask and status registers
*/
MaltaCChip *cchip;
/** Pointer to the Malta PChip.
* The pchip is the interface to the PCI bus, in our case
* it does not have to do much.
*/
MaltaPChip *pchip;
int intr_sum_type[Malta::Max_CPUs];
int ipi_pending[Malta::Max_CPUs];
public:
/**
* Constructor for the Malta Class.
* @param name name of the object
* @param s system the object belongs to
* @param intctrl pointer to the interrupt controller
*/
typedef MaltaParams Params;
Malta(const Params *p);
/**
* Return the interrupting frequency to MipsAccess
* @return frequency of RTC interrupts
*/
virtual Tick intrFrequency();
/**
* Cause the cpu to post a serial interrupt to the CPU.
*/
virtual void postConsoleInt();
/**
* Clear a posted CPU interrupt (id=55)
*/
virtual void clearConsoleInt();
/**
* Cause the chipset to post a cpi interrupt to the CPU.
*/
virtual void postPciInt(int line);
/**
* Clear a posted PCI->CPU interrupt
*/
virtual void clearPciInt(int line);
virtual Addr pciToDma(Addr pciAddr) const;
/**
* Calculate the configuration address given a bus/dev/func.
*/
virtual Addr calcConfigAddr(int bus, int dev, int func);
/**
* Serialize this object to the given output stream.
* @param os The stream to serialize to.
*/
virtual void serialize(std::ostream &os);
/**
* Reconstruct the state of this object from a checkpoint.
* @param cp The checkpoint use.
* @param section The section name of this object
*/
virtual void unserialize(Checkpoint *cp, const std::string §ion);
};
#endif // __DEV_MALTA_HH__
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