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author | Korey Sewell <ksewell@umich.edu> | 2007-11-13 16:58:16 -0500 |
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committer | Korey Sewell <ksewell@umich.edu> | 2007-11-13 16:58:16 -0500 |
commit | 269259004943b80916ec9b6354f2fc00c811c88b (patch) | |
tree | 4a01b0300aef6692a787f85d42280a1dbdb086e6 /src/dev/mips/malta_pchip.hh | |
parent | 422ab8bec0034a6b703578ec2c92350c6382875a (diff) | |
download | gem5-269259004943b80916ec9b6354f2fc00c811c88b.tar.xz |
Add in files from merge-bare-iron, get them compiling in FS and SE mode
--HG--
extra : convert_revision : d4e19afda897bc3797868b40469ce2ec7ec7d251
Diffstat (limited to 'src/dev/mips/malta_pchip.hh')
-rwxr-xr-x | src/dev/mips/malta_pchip.hh | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/dev/mips/malta_pchip.hh b/src/dev/mips/malta_pchip.hh new file mode 100755 index 000000000..62cdc886e --- /dev/null +++ b/src/dev/mips/malta_pchip.hh @@ -0,0 +1,106 @@ +/* + * 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 + */ + +/** @file + * Malta PCI interface CSRs + */ + +#ifndef __MALTA_PCHIP_HH__ +#define __MALTA_PCHIP_HH__ + +#include "dev/mips/malta.hh" +#include "base/range.hh" +#include "dev/io_device.hh" +#include "params/MaltaPChip.hh" + +/** + * A very simple implementation of the Malta PCI interface chips. + */ +class MaltaPChip : public BasicPioDevice +{ + protected: + + static const Addr MaltaPciBus0Config = ULL(0x801fe000000); + + /** Pchip control register */ + uint64_t pctl; + + /** Window Base addresses */ + uint64_t wsba[4]; + + /** Window masks */ + uint64_t wsm[4]; + + /** Translated Base Addresses */ + uint64_t tba[4]; + + public: + typedef MaltaPChipParams Params; + + const Params * + params() const + { + return dynamic_cast<const Params *>(_params); + } + public: + /** + * Register the PChip with the mmu and init all wsba, wsm, and tba to 0 + * @param p pointer to the parameters struct + */ + MaltaPChip(const Params *p); + + /** + * Translate a PCI bus address to a memory address for DMA. + * @todo Andrew says this needs to be fixed. What's wrong with it? + * @param busAddr PCI address to translate. + * @return memory system address + */ + Addr translatePciToDma(Addr busAddr); + + Addr calcConfigAddr(int bus, int dev, int func); + + virtual Tick read(PacketPtr pkt); + virtual Tick write(PacketPtr pkt); + + /** + * 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 // __TSUNAMI_PCHIP_HH__ |