dd14c86ec8
--HG-- rename : src/dev/tsunami.cc => src/dev/alpha/tsunami.cc rename : src/dev/tsunami.hh => src/dev/alpha/tsunami.hh rename : src/dev/tsunami_cchip.cc => src/dev/alpha/tsunami_cchip.cc rename : src/dev/tsunami_cchip.hh => src/dev/alpha/tsunami_cchip.hh rename : src/dev/tsunami_io.cc => src/dev/alpha/tsunami_io.cc rename : src/dev/tsunami_io.hh => src/dev/alpha/tsunami_io.hh rename : src/dev/tsunami_pchip.cc => src/dev/alpha/tsunami_pchip.cc rename : src/dev/tsunami_pchip.hh => src/dev/alpha/tsunami_pchip.hh rename : src/dev/tsunamireg.h => src/dev/alpha/tsunamireg.h extra : convert_revision : ffbb6fd93341d2623a6932bf096019b8976da694
105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/*
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* Copyright (c) 2004-2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Ali Saidi
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*/
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/** @file
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* Tsunami PCI interface CSRs
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*/
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#ifndef __TSUNAMI_PCHIP_HH__
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#define __TSUNAMI_PCHIP_HH__
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#include "dev/alpha/tsunami.hh"
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#include "base/range.hh"
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#include "dev/io_device.hh"
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/**
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* A very simple implementation of the Tsunami PCI interface chips.
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*/
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class TsunamiPChip : public BasicPioDevice
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{
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protected:
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static const Addr TsunamiPciBus0Config = ULL(0x801fe000000);
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/** Pchip control register */
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uint64_t pctl;
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/** Window Base addresses */
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uint64_t wsba[4];
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/** Window masks */
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uint64_t wsm[4];
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/** Translated Base Addresses */
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uint64_t tba[4];
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public:
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struct Params : public BasicPioDevice::Params
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{
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Tsunami *tsunami;
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};
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protected:
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const Params *params() const { return (const Params*)_params; }
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public:
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/**
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* Register the PChip with the mmu and init all wsba, wsm, and tba to 0
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* @param p pointer to the parameters struct
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*/
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TsunamiPChip(Params *p);
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/**
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* Translate a PCI bus address to a memory address for DMA.
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* @todo Andrew says this needs to be fixed. What's wrong with it?
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* @param busAddr PCI address to translate.
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* @return memory system address
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*/
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Addr translatePciToDma(Addr busAddr);
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Addr calcConfigAddr(int bus, int dev, int func);
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virtual Tick read(PacketPtr pkt);
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virtual Tick write(PacketPtr pkt);
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/**
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* Serialize this object to the given output stream.
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* @param os The stream to serialize to.
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*/
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virtual void serialize(std::ostream &os);
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/**
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* Reconstruct the state of this object from a checkpoint.
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* @param cp The checkpoint use.
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* @param section The section name of this object
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*/
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virtual void unserialize(Checkpoint *cp, const std::string §ion);
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};
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#endif // __TSUNAMI_PCHIP_HH__
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