pc.cc revision 5638 
1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31/** @file
32 * Implementation of PC platform.
33 */
34
35#include <deque>
36#include <string>
37#include <vector>
38
39#include "arch/x86/x86_traits.hh"
40#include "cpu/intr_control.hh"
41#include "dev/terminal.hh"
42#include "dev/x86/i8254.hh"
43#include "dev/x86/pc.hh"
44#include "dev/x86/south_bridge.hh"
45#include "sim/system.hh"
46
47using namespace std;
48using namespace TheISA;
49
50Pc::Pc(const Params *p)
51    : Platform(p), system(p->system)
52{
53    southBridge = NULL;
54    // set the back pointer from the system to myself
55    system->platform = this;
56}
57
58void
59Pc::init()
60{
61    assert(southBridge);
62    I8254 & timer = *southBridge->pit;
63    //Timer 0, mode 2, no bcd, 16 bit count
64    timer.writeControl(0x34);
65    //Timer 0, latch command
66    timer.writeControl(0x00);
67    //Write a 16 bit count of 0
68    timer.writeCounter(0, 0);
69    timer.writeCounter(0, 0);
70}
71
72Tick
73Pc::intrFrequency()
74{
75    panic("Need implementation\n");
76    M5_DUMMY_RETURN
77}
78
79void
80Pc::postConsoleInt()
81{
82    warn_once("Don't know what interrupt to post for console.\n");
83    //panic("Need implementation\n");
84}
85
86void
87Pc::clearConsoleInt()
88{
89    warn_once("Don't know what interrupt to clear for console.\n");
90    //panic("Need implementation\n");
91}
92
93void
94Pc::postPciInt(int line)
95{
96    panic("Need implementation\n");
97}
98
99void
100Pc::clearPciInt(int line)
101{
102    panic("Need implementation\n");
103}
104
105Addr
106Pc::pciToDma(Addr pciAddr) const
107{
108    panic("Need implementation\n");
109    M5_DUMMY_RETURN
110}
111
112
113Addr
114Pc::calcConfigAddr(int bus, int dev, int func)
115{
116    assert(func < 8);
117    assert(dev < 32);
118    assert(bus == 0);
119    return (PhysAddrPrefixPciConfig | (func << 8) | (dev << 11));
120}
121
122Pc *
123PcParams::create()
124{
125    return new Pc(this);
126}
127