system.hh revision 885 
1/*
2 * Copyright (c) 2003 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
29#ifndef __LINUX_SYSTEM_HH__
30#define __LINUX_SYSTEM_HH__
31
32#include <vector>
33
34#include "sim/system.hh"
35#include "sim/host.hh"
36#include "targetarch/isa_traits.hh"
37
38#include <map>
39
40/**
41 * MAGIC address where the kernel arguments should go. Defined as
42 * PARAM in linux kernel alpha-asm.
43 */
44const Addr PARAM_ADDR =  ULL(0xfffffc000030a000);
45
46class ExecContext;
47class ElfObject;
48class SymbolTable;
49
50class BreakPCEvent;
51class LinuxSkipDelayLoopEvent;
52class SkipFuncEvent;
53class FnEvent;
54class AlphaArguments;
55
56/**
57 * This class contains linux specific system code (Loading, Events, Binning).
58 * It points to objects that are the system binaries to load and patches them
59 * appropriately to work in simulator.
60 */
61class LinuxSystem : public System
62{
63  private:
64    ElfObject *kernel;
65    ElfObject *console;
66
67    SymbolTable *kernelSymtab;
68    SymbolTable *consoleSymtab;
69
70    BreakPCEvent *kernelPanicEvent;
71    BreakPCEvent *consolePanicEvent;
72    SkipFuncEvent *skipCacheProbeEvent;
73    SkipFuncEvent *skipIdeDelay50msEvent;
74    LinuxSkipDelayLoopEvent *skipDelayLoopEvent;
75
76    Addr kernelStart;
77    Addr kernelEnd;
78    Addr kernelEntry;
79    bool bin;
80    std::vector<string> binned_fns;
81
82  public:
83    std::vector<RemoteGDB *>   remoteGDB;
84    std::vector<GDBListener *> gdbListen;
85
86    LinuxSystem(const std::string _name,
87                const uint64_t _init_param,
88                MemoryController *_memCtrl,
89                PhysicalMemory *_physmem,
90                const std::string &kernel_path,
91                const std::string &console_path,
92                const std::string &palcode,
93                const std::string &boot_osflags,
94                const bool _bin,
95                const std::vector<std::string> &_binned_fns);
96
97    ~LinuxSystem();
98
99    void setDelayLoop(ExecContext *xc);
100
101    int registerExecContext(ExecContext *xc);
102    void replaceExecContext(ExecContext *xc, int xcIndex);
103
104    Addr getKernelStart() const { return kernelStart; }
105    Addr getKernelEnd() const { return kernelEnd; }
106    Addr getKernelEntry() const { return kernelEntry; }
107    bool breakpoint();
108};
109
110#endif // __LINUX_SYSTEM_HH__
111