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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* Copyright (c) 2002-2006 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.
*
* Authors: Ali Saidi
*/
#include "arch/sparc/system.hh"
#include "arch/vtophys.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
#include "base/trace.hh"
#include "mem/physical.hh"
#include "params/SparcSystem.hh"
#include "sim/byteswap.hh"
using namespace BigEndianGuest;
SparcSystem::SparcSystem(Params *p)
: System(p), sysTick(0)
{
resetSymtab = new SymbolTable;
hypervisorSymtab = new SymbolTable;
openbootSymtab = new SymbolTable;
nvramSymtab = new SymbolTable;
hypervisorDescSymtab = new SymbolTable;
partitionDescSymtab = new SymbolTable;
/**
* Load the boot code, and hypervisor into memory.
*/
// Read the reset binary
reset = createObjectFile(params()->reset_bin, true);
if (reset == NULL)
fatal("Could not load reset binary %s", params()->reset_bin);
// Read the openboot binary
openboot = createObjectFile(params()->openboot_bin, true);
if (openboot == NULL)
fatal("Could not load openboot bianry %s", params()->openboot_bin);
// Read the hypervisor binary
hypervisor = createObjectFile(params()->hypervisor_bin, true);
if (hypervisor == NULL)
fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
// Read the nvram image
nvram = createObjectFile(params()->nvram_bin, true);
if (nvram == NULL)
fatal("Could not load nvram image %s", params()->nvram_bin);
// Read the hypervisor description image
hypervisor_desc = createObjectFile(params()->hypervisor_desc_bin, true);
if (hypervisor_desc == NULL)
fatal("Could not load hypervisor description image %s",
params()->hypervisor_desc_bin);
// Read the partition description image
partition_desc = createObjectFile(params()->partition_desc_bin, true);
if (partition_desc == NULL)
fatal("Could not load partition description image %s",
params()->partition_desc_bin);
// load symbols
if (!reset->loadGlobalSymbols(resetSymtab))
panic("could not load reset symbols\n");
if (!openboot->loadGlobalSymbols(openbootSymtab))
panic("could not load openboot symbols\n");
if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
panic("could not load hypervisor symbols\n");
if (!nvram->loadLocalSymbols(nvramSymtab))
panic("could not load nvram symbols\n");
if (!hypervisor_desc->loadLocalSymbols(hypervisorDescSymtab))
panic("could not load hypervisor description symbols\n");
if (!partition_desc->loadLocalSymbols(partitionDescSymtab))
panic("could not load partition description symbols\n");
// load symbols into debug table
if (!reset->loadGlobalSymbols(debugSymbolTable))
panic("could not load reset symbols\n");
if (!openboot->loadGlobalSymbols(debugSymbolTable))
panic("could not load openboot symbols\n");
if (!hypervisor->loadLocalSymbols(debugSymbolTable))
panic("could not load hypervisor symbols\n");
// Strip off the rom address so when the hypervisor is copied into memory we
// have symbols still
if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0xFFFFFF))
panic("could not load hypervisor symbols\n");
if (!nvram->loadGlobalSymbols(debugSymbolTable))
panic("could not load reset symbols\n");
if (!hypervisor_desc->loadGlobalSymbols(debugSymbolTable))
panic("could not load hypervisor description symbols\n");
if (!partition_desc->loadLocalSymbols(debugSymbolTable))
panic("could not load partition description symbols\n");
}
void
SparcSystem::initState()
{
// Call the initialisation of the super class
System::initState();
// Load reset binary into memory
reset->setTextBase(params()->reset_addr);
reset->loadSections(physProxy);
// Load the openboot binary
openboot->setTextBase(params()->openboot_addr);
openboot->loadSections(physProxy);
// Load the hypervisor binary
hypervisor->setTextBase(params()->hypervisor_addr);
hypervisor->loadSections(physProxy);
// Load the nvram image
nvram->setTextBase(params()->nvram_addr);
nvram->loadSections(physProxy);
// Load the hypervisor description image
hypervisor_desc->setTextBase(params()->hypervisor_desc_addr);
hypervisor_desc->loadSections(physProxy);
// Load the partition description image
partition_desc->setTextBase(params()->partition_desc_addr);
partition_desc->loadSections(physProxy);
// @todo any fixup code over writing data in binaries on setting break
// events on functions should happen here.
}
SparcSystem::~SparcSystem()
{
delete resetSymtab;
delete hypervisorSymtab;
delete openbootSymtab;
delete nvramSymtab;
delete hypervisorDescSymtab;
delete partitionDescSymtab;
delete reset;
delete openboot;
delete hypervisor;
delete nvram;
delete hypervisor_desc;
delete partition_desc;
}
void
SparcSystem::serialize(std::ostream &os)
{
System::serialize(os);
resetSymtab->serialize("reset_symtab", os);
hypervisorSymtab->serialize("hypervisor_symtab", os);
openbootSymtab->serialize("openboot_symtab", os);
nvramSymtab->serialize("nvram_symtab", os);
hypervisorDescSymtab->serialize("hypervisor_desc_symtab", os);
partitionDescSymtab->serialize("partition_desc_symtab", os);
}
void
SparcSystem::unserialize(Checkpoint *cp, const std::string §ion)
{
System::unserialize(cp,section);
resetSymtab->unserialize("reset_symtab", cp, section);
hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
openbootSymtab->unserialize("openboot_symtab", cp, section);
nvramSymtab->unserialize("nvram_symtab", cp, section);
hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp, section);
partitionDescSymtab->unserialize("partition_desc_symtab", cp, section);
}
SparcSystem *
SparcSystemParams::create()
{
return new SparcSystem(this);
}
|
