gem5
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
base_gic.cc
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2012 ARM Limited
3  * All rights reserved
4  *
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.
13  *
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.
24  *
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.
36  *
37  * Authors: Andreas Sandberg
38  */
39 
40 #include "dev/arm/base_gic.hh"
41 
42 #include "dev/arm/realview.hh"
43 #include "params/BaseGic.hh"
44 
46  : PioDevice(p),
47  platform(p->platform)
48 {
49  RealView *const rv(dynamic_cast<RealView*>(p->platform));
50  // The platform keeps track of the GIC that is hooked up to the
51  // system. Due to quirks in gem5's configuration system, the
52  // platform can't take a GIC as parameter. Instead, we need to
53  // register with the platform when a new GIC is created. If we
54  // can't find a platform, something is seriously wrong.
55  fatal_if(!rv, "GIC model can't register with platform code");
56  rv->setGic(this);
57 }
58 
60 {
61 }
62 
63 const BaseGic::Params *
65 {
66  return dynamic_cast<const Params *>(_params);
67 }
Declaration of top level class for the RealView platform chips.
This device is the base class which all devices senstive to an address range inherit from...
Definition: io_device.hh:84
struct BaseGicParams Params
Definition: base_gic.hh:54
virtual ~BaseGic()
Definition: base_gic.cc:59
Base class for ARM GIC implementations.
void setGic(BaseGic *_gic)
Give platform a pointer to interrupt controller.
Definition: realview.hh:83
const SimObjectParams * _params
Cached copy of the object parameters.
Definition: sim_object.hh:107
fatal_if(p->js_features.size() > 16,"Too many job slot feature registers specified (%i)\n", p->js_features.size())
const Params * params() const
Definition: base_gic.cc:64
Bitfield< 0 > p
BaseGic(const Params *p)
Definition: base_gic.cc:45

Generated on Fri Jun 9 2017 13:03:45 for gem5 by doxygen 1.8.6