pc.cc revision 5478 
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 "dev/intel_8254_timer.hh"
41#include "cpu/intr_control.hh"
42#include "dev/terminal.hh"
43#include "dev/x86/pc.hh"
44#include "sim/system.hh"
45
46using namespace std;
47using namespace TheISA;
48
49PC::PC(const Params *p)
50    : Platform(p), system(p->system)
51{
52    southBridge = NULL;
53    // set the back pointer from the system to myself
54    system->platform = this;
55}
56
57void
58PC::init()
59{
60    assert(southBridge);
61    Intel8254Timer & timer = southBridge->pit.pit;
62    //Timer 0, mode 2, no bcd, 16 bit count
63    timer.writeControl(0x34);
64    //Timer 0, latch command
65    timer.writeControl(0x00);
66    //Write a 16 bit count of 0
67    timer.counter0.write(0);
68    timer.counter0.write(0);
69}
70
71Tick
72PC::intrFrequency()
73{
74    panic("Need implementation\n");
75    M5_DUMMY_RETURN
76}
77
78void
79PC::postConsoleInt()
80{
81    warn_once("Don't know what interrupt to post for console.\n");
82    //panic("Need implementation\n");
83}
84
85void
86PC::clearConsoleInt()
87{
88    warn_once("Don't know what interrupt to clear for console.\n");
89    //panic("Need implementation\n");
90}
91
92void
93PC::postPciInt(int line)
94{
95    panic("Need implementation\n");
96}
97
98void
99PC::clearPciInt(int line)
100{
101    panic("Need implementation\n");
102}
103
104Addr
105PC::pciToDma(Addr pciAddr) const
106{
107    panic("Need implementation\n");
108    M5_DUMMY_RETURN
109}
110
111
112Addr
113PC::calcConfigAddr(int bus, int dev, int func)
114{
115    assert(func < 8);
116    assert(dev < 32);
117    assert(bus == 0);
118    return (PhysAddrPrefixPciConfig | (func << 8) | (dev << 11));
119}
120
121PC *
122PCParams::create()
123{
124    return new PC(this);
125}
126