82710c730dff072e890d10b467581373de81c9b4
2 * Copyright (c) 2010 ARM Limited
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 #include "base/trace.hh"
41 #include "dev/arm/rv_ctrl.hh"
42 #include "mem/packet.hh"
43 #include "mem/packet_access.hh"
45 RealViewCtrl::RealViewCtrl(Params
*p
)
46 : BasicPioDevice(p
), flags(0)
52 RealViewCtrl::read(PacketPtr pkt
)
54 assert(pkt
->getAddr() >= pioAddr
&& pkt
->getAddr() < pioAddr
+ pioSize
);
55 assert(pkt
->getSize() == 4);
56 Addr daddr
= pkt
->getAddr() - pioAddr
;
61 pkt
->set(params()->proc_id0
);
64 pkt
->set(params()->proc_id1
);
68 clk
= (Tick
)(curTick() / (24 * SimClock::Int::us
));
69 pkt
->set((uint32_t)(clk
));
73 clk100
= (Tick
)(curTick() / (100 * SimClock::Int::us
));
74 pkt
->set((uint32_t)(clk100
));
77 pkt
->set
<uint32_t>(0);
80 pkt
->set
<uint32_t>(0x00001F00);
83 pkt
->set
<uint32_t>(0x00012C5C);
86 pkt
->set
<uint32_t>(0x00002CC0);
89 pkt
->set
<uint32_t>(0x00002C75);
92 pkt
->set
<uint32_t>(0x00020211);
95 pkt
->set
<uint32_t>(0x00002C75);
98 pkt
->set
<uint32_t>(sysLock
);
101 pkt
->set
<uint32_t>(flags
);
104 pkt
->set
<uint32_t>(params()->idreg
);
107 warn("Tried to read RealView I/O at offset %#x that doesn't exist\n",
111 pkt
->makeAtomicResponse();
117 RealViewCtrl::write(PacketPtr pkt
)
119 assert(pkt
->getAddr() >= pioAddr
&& pkt
->getAddr() < pioAddr
+ pioSize
);
121 Addr daddr
= pkt
->getAddr() - pioAddr
;
132 sysLock
.lockVal
= pkt
->get
<uint16_t>();
135 flags
= pkt
->get
<uint32_t>();
141 warn("Tried to write RVIO at offset %#x that doesn't exist\n",
145 pkt
->makeAtomicResponse();
150 RealViewCtrl::serialize(std::ostream
&os
)
152 SERIALIZE_SCALAR(flags
);
156 RealViewCtrl::unserialize(Checkpoint
*cp
, const std::string
§ion
)
158 UNSERIALIZE_SCALAR(flags
);
162 RealViewCtrlParams::create()
164 return new RealViewCtrl(this);