summaryrefslogtreecommitdiff
path: root/sim/system.hh
blob: 07881ff01c5050ca5d027338e9234c36601ff51c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
/*
 * Copyright (c) 2002-2004 The Regents of The University of Michigan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __SYSTEM_HH__
#define __SYSTEM_HH__

#include <string>
#include <vector>

#include "base/statistics.hh"
#include "cpu/pc_event.hh"
#include "kern/system_events.hh"
#include "sim/sim_object.hh"

class MemoryController;
class PhysicalMemory;
class Platform;
class RemoteGDB;
class GDBListener;
class SymbolTable;
class ObjectFile;
class ExecContext;
namespace Kernel { class Binning; }

class System : public SimObject
{
  public:
    MemoryController *memctrl;
    PhysicalMemory *physmem;
    Platform *platform;
    PCEventQueue pcEventQueue;
    uint64_t init_param;

    std::vector<ExecContext *> execContexts;

    /** kernel Symbol table */
    SymbolTable *kernelSymtab;

    /** console symbol table */
    SymbolTable *consoleSymtab;

    /** pal symbol table */
    SymbolTable *palSymtab;

    /** Object pointer for the kernel code */
    ObjectFile *kernel;

    /** Object pointer for the console code */
    ObjectFile *console;

    /** Object pointer for the PAL code */
    ObjectFile *pal;

    /** Begining of kernel code */
    Addr kernelStart;

    /** End of kernel code */
    Addr kernelEnd;

    /** Entry point in the kernel to start at */
    Addr kernelEntry;

    Kernel::Binning *kernelBinning;

#ifdef DEBUG
    /** Event to halt the simulator if the console calls panic() */
    BreakPCEvent *consolePanicEvent;
#endif

  public:
    std::vector<RemoteGDB *> remoteGDB;
    std::vector<GDBListener *> gdbListen;
    bool breakpoint();

  public:
    struct Params
    {
        std::string name;
        MemoryController *memctrl;
        PhysicalMemory *physmem;
        uint64_t init_param;
        bool bin;
        std::vector<std::string> binned_fns;
        bool bin_int;

        std::string kernel_path;
        std::string console_path;
        std::string palcode;
        std::string boot_osflags;

        std::string readfile;
        uint64_t system_type;
        uint64_t system_rev;
    };
    Params *params;

    System(Params *p);
    ~System();

    void startup();

  public:
    /**
     * Returns the addess the kernel starts at.
     * @return address the kernel starts at
     */
    Addr getKernelStart() const { return kernelStart; }

    /**
     * Returns the addess the kernel ends at.
     * @return address the kernel ends at
     */
    Addr getKernelEnd() const { return kernelEnd; }

    /**
     * Returns the addess the entry point to the kernel code.
     * @return entry point of the kernel code
     */
    Addr getKernelEntry() const { return kernelEntry; }

    int registerExecContext(ExecContext *xc);
    void replaceExecContext(ExecContext *xc, int xcIndex);

    void regStats();
    void serialize(std::ostream &os);
    void unserialize(Checkpoint *cp, const std::string &section);

  public:
    ////////////////////////////////////////////
    //
    // STATIC GLOBAL SYSTEM LIST
    //
    ////////////////////////////////////////////

    static std::vector<System *> systemList;
    static int numSystemsRunning;

    static void printSystems();
};

#endif // __SYSTEM_HH__