1/*
2 * Copyright (c) 2002-2005 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: Ali Saidi
29 * Nathan Binkert
30 */
31
32#ifndef __ARCH_ALPHA_SYSTEM_HH__
33#define __ARCH_ALPHA_SYSTEM_HH__
34
35#include <string>
36#include <vector>
37
38#include "base/loader/symtab.hh"
39#include "cpu/pc_event.hh"
40#include "kern/system_events.hh"
41#include "mem/fs_translating_port_proxy.hh"
42#include "params/AlphaSystem.hh"
43#include "sim/sim_object.hh"
44#include "sim/system.hh"
45
46class AlphaSystem : public System
47{
48 public:
49 typedef AlphaSystemParams Params;
50 AlphaSystem(Params *p);
51 ~AlphaSystem();
52
53 public:
54
55 /**
56 * Initialise the state of the system.
57 */
58 virtual void initState();
59
60 /**
61 * Serialization stuff
62 */
63 void serializeSymtab(CheckpointOut &cp) const override;
64 void unserializeSymtab(CheckpointIn &cp) override;
65
66 /** Override startup() to provide a path to call setupFuncEvents()
67 */
68 virtual void startup();
69
70 /**
71 * Set the m5AlphaAccess pointer in the console
72 */
73 void setAlphaAccess(Addr access);
74
75 /** console symbol table */
76 SymbolTable *consoleSymtab;
77
78 /** pal symbol table */
79 SymbolTable *palSymtab;
80
81 /** Object pointer for the console code */
82 ObjectFile *console;
83
84 /** Object pointer for the PAL code */
85 ObjectFile *pal;
86
87#ifndef NDEBUG
88 /** Event to halt the simulator if the console calls panic() */
89 BreakPCEvent *consolePanicEvent;
90#endif
91
92 protected:
93 Tick intrFreq;
94
95 /**
96 * Proxy used to copy arguments directly into kernel memory.
97 */
98 FSTranslatingPortProxy virtProxy;
99
100 const Params *params() const { return (const Params *)_params; }
101
102
103 /** Setup all the function events. Must be done after init() for Alpha since
104 * fixFuncEvent() requires a function port
105 */
106 virtual void setupFuncEvents();
107
108 /** Add a function-based event to PALcode. */
109 template <class T>
110 T *
111 addPalFuncEvent(const char *lbl)
112 {
113 return addFuncEvent<T>(palSymtab, lbl);
114 }
115
116 /** Add a function-based event to the console code. */
117 template <class T>
118 T *
119 addConsoleFuncEvent(const char *lbl)
120 {
121 return addFuncEvent<T>(consoleSymtab, lbl);
122 }
123
124 virtual Addr fixFuncEventAddr(Addr addr);
125
126 public:
127 void setIntrFreq(Tick freq) { intrFreq = freq; }
128};
129
130#endif // __ARCH_ALPHA_SYSTEM_HH__
131