realview.cc revision 8739:925f15f96322 
1/*
2 * Copyright (c) 2009 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 * Copyright (c) 2004-2005 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Ali Saidi
41 */
42
43/** @file
44 * Implementation of RealView platform.
45 */
46
47#include <deque>
48#include <string>
49#include <vector>
50
51#include "config/the_isa.hh"
52#include "cpu/intr_control.hh"
53#include "dev/arm/gic.hh"
54#include "dev/arm/realview.hh"
55#include "dev/terminal.hh"
56#include "sim/system.hh"
57
58using namespace std;
59using namespace TheISA;
60
61RealView::RealView(const Params *p)
62    : Platform(p), system(p->system)
63{
64#if FULL_SYSTEM //XXX No platform pointer on the system object in SE mode.
65    // set the back pointer from the system to myself
66    system->platform = this;
67#endif
68}
69
70Tick
71RealView::intrFrequency()
72{
73    panic("Need implementation\n");
74    M5_DUMMY_RETURN
75}
76
77void
78RealView::postConsoleInt()
79{
80    warn_once("Don't know what interrupt to post for console.\n");
81    //panic("Need implementation\n");
82}
83
84void
85RealView::clearConsoleInt()
86{
87    warn_once("Don't know what interrupt to clear for console.\n");
88    //panic("Need implementation\n");
89}
90
91void
92RealView::postPciInt(int line)
93{
94    gic->sendInt(line);
95}
96
97void
98RealView::clearPciInt(int line)
99{
100    gic->clearInt(line);
101}
102
103Addr
104RealView::pciToDma(Addr pciAddr) const
105{
106    return pciAddr;
107}
108
109
110Addr
111RealView::calcPciConfigAddr(int bus, int dev, int func)
112{
113    if (bus != 0)
114        return ULL(-1);
115    return params()->pci_cfg_base | ((func & 7) << 16) | ((dev & 0x1f) << 19);
116}
117
118Addr
119RealView::calcPciIOAddr(Addr addr)
120{
121    return addr;
122}
123
124Addr
125RealView::calcPciMemAddr(Addr addr)
126{
127    return addr;
128}
129
130RealView *
131RealViewParams::create()
132{
133    return new RealView(this);
134}
135