Adding gem5 source to svn.
git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
This commit is contained in:
94
simulators/gem5/src/dev/arm/amba_fake.cc
Normal file
94
simulators/gem5/src/dev/arm/amba_fake.cc
Normal file
@ -0,0 +1,94 @@
|
||||
/*
|
||||
* Copyright (c) 2010 ARM Limited
|
||||
* All rights reserved
|
||||
*
|
||||
* The license below extends only to copyright in the software and shall
|
||||
* not be construed as granting a license to any other intellectual
|
||||
* property including but not limited to intellectual property relating
|
||||
* to a hardware implementation of the functionality of the software
|
||||
* licensed hereunder. You may use the software subject to the license
|
||||
* terms below provided that you ensure that this notice is replicated
|
||||
* unmodified and in its entirety in all distributions of the software,
|
||||
* modified or unmodified, in source code or in binary form.
|
||||
*
|
||||
* Copyright (c) 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
|
||||
*/
|
||||
|
||||
#include "base/trace.hh"
|
||||
#include "debug/AMBA.hh"
|
||||
#include "dev/arm/amba_fake.hh"
|
||||
#include "mem/packet.hh"
|
||||
#include "mem/packet_access.hh"
|
||||
|
||||
using namespace AmbaDev;
|
||||
|
||||
AmbaFake::AmbaFake(const Params *p)
|
||||
: AmbaDevice(p)
|
||||
{
|
||||
pioSize = 0xfff;
|
||||
}
|
||||
|
||||
Tick
|
||||
AmbaFake::read(PacketPtr pkt)
|
||||
{
|
||||
assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
|
||||
|
||||
Addr daddr = pkt->getAddr() - pioAddr;
|
||||
pkt->allocate();
|
||||
|
||||
DPRINTF(AMBA, " read register %#x\n", daddr);
|
||||
|
||||
pkt->set<uint32_t>(0);
|
||||
if (!readId(pkt, ambaId, pioAddr) && !params()->ignore_access)
|
||||
panic("Tried to read AmbaFake at offset %#x that doesn't exist\n", daddr);
|
||||
|
||||
pkt->makeAtomicResponse();
|
||||
return pioDelay;
|
||||
}
|
||||
|
||||
Tick
|
||||
AmbaFake::write(PacketPtr pkt)
|
||||
{
|
||||
|
||||
Addr daddr = pkt->getAddr() - pioAddr;
|
||||
pkt->allocate();
|
||||
|
||||
if (!params()->ignore_access)
|
||||
panic("Tried to write AmbaFake at offset %#x that doesn't exist\n", daddr);
|
||||
|
||||
pkt->makeAtomicResponse();
|
||||
return pioDelay;
|
||||
}
|
||||
|
||||
|
||||
AmbaFake *
|
||||
AmbaFakeParams::create()
|
||||
{
|
||||
return new AmbaFake(this);
|
||||
}
|
||||
Reference in New Issue
Block a user