c0ba4c7aa13b7681bf296276b112739ff3982f3a
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,
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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
)
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_id
);
65 clk
= (Tick
)(curTick() / (24 * SimClock::Float::MHz
));
66 pkt
->set((uint32_t)(clk
));
69 pkt
->set
<uint32_t>(0);
72 panic("Tried to read RealView I/O at offset %#x that doesn't exist\n", daddr
);
75 pkt
->makeAtomicResponse();
81 RealViewCtrl::write(PacketPtr pkt
)
83 assert(pkt
->getAddr() >= pioAddr
&& pkt
->getAddr() < pioAddr
+ pioSize
);
85 Addr daddr
= pkt
->getAddr() - pioAddr
;
90 panic("Tried to write RVIO at offset %#x that doesn't exist\n", daddr
);
93 pkt
->makeAtomicResponse();
98 RealViewCtrl::serialize(std::ostream
&os
)
103 RealViewCtrl::unserialize(Checkpoint
*cp
, const std::string
§ion
)
108 RealViewCtrlParams::create()
110 return new RealViewCtrl(this);