pc.cc (5643:2b1611137af4) pc.cc (5654:340254de2031)
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
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/intmessage.hh"
39#include "arch/x86/x86_traits.hh"
40#include "cpu/intr_control.hh"
41#include "dev/terminal.hh"
42#include "dev/x86/i82094aa.hh"
43#include "dev/x86/i8254.hh"
44#include "dev/x86/pc.hh"
45#include "dev/x86/south_bridge.hh"
46#include "sim/system.hh"
47
48using namespace std;
49using namespace TheISA;
50
51Pc::Pc(const Params *p)
52 : Platform(p), system(p->system)
53{
54 southBridge = NULL;
55 // set the back pointer from the system to myself
56 system->platform = this;
57}
58
59void
60Pc::init()
61{
62 assert(southBridge);
63
64 /*
65 * Initialize the timer.
66 */
67 I8254 & timer = *southBridge->pit;
68 //Timer 0, mode 2, no bcd, 16 bit count
69 timer.writeControl(0x34);
70 //Timer 0, latch command
71 timer.writeControl(0x00);
72 //Write a 16 bit count of 0
73 timer.writeCounter(0, 0);
74 timer.writeCounter(0, 0);
75
76 /*
77 * Initialize the I/O APIC.
78 */
79 I82094AA & ioApic = *southBridge->ioApic;
80 I82094AA::RedirTableEntry entry = 0;
40#include "arch/x86/x86_traits.hh"
41#include "cpu/intr_control.hh"
42#include "dev/terminal.hh"
43#include "dev/x86/i82094aa.hh"
44#include "dev/x86/i8254.hh"
45#include "dev/x86/pc.hh"
46#include "dev/x86/south_bridge.hh"
47#include "sim/system.hh"
48
49using namespace std;
50using namespace TheISA;
51
52Pc::Pc(const Params *p)
53 : Platform(p), system(p->system)
54{
55 southBridge = NULL;
56 // set the back pointer from the system to myself
57 system->platform = this;
58}
59
60void
61Pc::init()
62{
63 assert(southBridge);
64
65 /*
66 * Initialize the timer.
67 */
68 I8254 & timer = *southBridge->pit;
69 //Timer 0, mode 2, no bcd, 16 bit count
70 timer.writeControl(0x34);
71 //Timer 0, latch command
72 timer.writeControl(0x00);
73 //Write a 16 bit count of 0
74 timer.writeCounter(0, 0);
75 timer.writeCounter(0, 0);
76
77 /*
78 * Initialize the I/O APIC.
79 */
80 I82094AA & ioApic = *southBridge->ioApic;
81 I82094AA::RedirTableEntry entry = 0;
81 entry.deliveryMode = 0x7;
82 entry.deliveryMode = DeliveryMode::ExtInt;
82 entry.vector = 0x20;
83 ioApic.writeReg(0x10, entry.bottomDW);
84 ioApic.writeReg(0x11, entry.topDW);
85}
86
87Tick
88Pc::intrFrequency()
89{
90 panic("Need implementation\n");
91 M5_DUMMY_RETURN
92}
93
94void
95Pc::postConsoleInt()
96{
97 warn_once("Don't know what interrupt to post for console.\n");
98 //panic("Need implementation\n");
99}
100
101void
102Pc::clearConsoleInt()
103{
104 warn_once("Don't know what interrupt to clear for console.\n");
105 //panic("Need implementation\n");
106}
107
108void
109Pc::postPciInt(int line)
110{
111 panic("Need implementation\n");
112}
113
114void
115Pc::clearPciInt(int line)
116{
117 panic("Need implementation\n");
118}
119
120Addr
121Pc::pciToDma(Addr pciAddr) const
122{
123 panic("Need implementation\n");
124 M5_DUMMY_RETURN
125}
126
127
128Addr
129Pc::calcConfigAddr(int bus, int dev, int func)
130{
131 assert(func < 8);
132 assert(dev < 32);
133 assert(bus == 0);
134 return (PhysAddrPrefixPciConfig | (func << 8) | (dev << 11));
135}
136
137Pc *
138PcParams::create()
139{
140 return new Pc(this);
141}
83 entry.vector = 0x20;
84 ioApic.writeReg(0x10, entry.bottomDW);
85 ioApic.writeReg(0x11, entry.topDW);
86}
87
88Tick
89Pc::intrFrequency()
90{
91 panic("Need implementation\n");
92 M5_DUMMY_RETURN
93}
94
95void
96Pc::postConsoleInt()
97{
98 warn_once("Don't know what interrupt to post for console.\n");
99 //panic("Need implementation\n");
100}
101
102void
103Pc::clearConsoleInt()
104{
105 warn_once("Don't know what interrupt to clear for console.\n");
106 //panic("Need implementation\n");
107}
108
109void
110Pc::postPciInt(int line)
111{
112 panic("Need implementation\n");
113}
114
115void
116Pc::clearPciInt(int line)
117{
118 panic("Need implementation\n");
119}
120
121Addr
122Pc::pciToDma(Addr pciAddr) const
123{
124 panic("Need implementation\n");
125 M5_DUMMY_RETURN
126}
127
128
129Addr
130Pc::calcConfigAddr(int bus, int dev, int func)
131{
132 assert(func < 8);
133 assert(dev < 32);
134 assert(bus == 0);
135 return (PhysAddrPrefixPciConfig | (func << 8) | (dev << 11));
136}
137
138Pc *
139PcParams::create()
140{
141 return new Pc(this);
142}