1/*
2 * Copyright (c) 2002-2006 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 */
30
31#include "arch/sparc/system.hh"
32#include "arch/vtophys.hh"
33#include "base/loader/object_file.hh"
34#include "base/loader/symtab.hh"
35#include "base/trace.hh"
36#include "mem/physical.hh"
37#include "params/SparcSystem.hh"
38#include "sim/byteswap.hh"
39
40using namespace BigEndianGuest;
41
42SparcSystem::SparcSystem(Params *p)
43 : System(p), sysTick(0)
44{
45 resetSymtab = new SymbolTable;
46 hypervisorSymtab = new SymbolTable;
47 openbootSymtab = new SymbolTable;
48 nvramSymtab = new SymbolTable;
49 hypervisorDescSymtab = new SymbolTable;
50 partitionDescSymtab = new SymbolTable;
51}
52
53void
54SparcSystem::initState()
55{
56 // Call the initialisation of the super class
57 System::initState();
58
59 /**
60 * Load the boot code, and hypervisor into memory.
61 */
62 // Read the reset binary
63 reset = createObjectFile(params()->reset_bin, true);
64 if (reset == NULL)
65 fatal("Could not load reset binary %s", params()->reset_bin);
66
67 // Read the openboot binary
68 openboot = createObjectFile(params()->openboot_bin, true);
69 if (openboot == NULL)
70 fatal("Could not load openboot bianry %s", params()->openboot_bin);
71
72 // Read the hypervisor binary
73 hypervisor = createObjectFile(params()->hypervisor_bin, true);
74 if (hypervisor == NULL)
75 fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
76
77 // Read the nvram image
78 nvram = createObjectFile(params()->nvram_bin, true);
79 if (nvram == NULL)
80 fatal("Could not load nvram image %s", params()->nvram_bin);
81
82 // Read the hypervisor description image
83 hypervisor_desc = createObjectFile(params()->hypervisor_desc_bin, true);
84 if (hypervisor_desc == NULL)
85 fatal("Could not load hypervisor description image %s",
86 params()->hypervisor_desc_bin);
87
88 // Read the partition description image
89 partition_desc = createObjectFile(params()->partition_desc_bin, true);
90 if (partition_desc == NULL)
91 fatal("Could not load partition description image %s",
92 params()->partition_desc_bin);
93
94
95 // Load reset binary into memory
96 reset->setTextBase(params()->reset_addr);
97 reset->loadSections(physProxy);
98 // Load the openboot binary
99 openboot->setTextBase(params()->openboot_addr);
100 openboot->loadSections(physProxy);
101 // Load the hypervisor binary
102 hypervisor->setTextBase(params()->hypervisor_addr);
103 hypervisor->loadSections(physProxy);
104 // Load the nvram image
105 nvram->setTextBase(params()->nvram_addr);
106 nvram->loadSections(physProxy);
107 // Load the hypervisor description image
108 hypervisor_desc->setTextBase(params()->hypervisor_desc_addr);
109 hypervisor_desc->loadSections(physProxy);
110 // Load the partition description image
111 partition_desc->setTextBase(params()->partition_desc_addr);
112 partition_desc->loadSections(physProxy);
113
114 // load symbols
115 if (!reset->loadGlobalSymbols(resetSymtab))
116 panic("could not load reset symbols\n");
117
118 if (!openboot->loadGlobalSymbols(openbootSymtab))
119 panic("could not load openboot symbols\n");
120
121 if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
122 panic("could not load hypervisor symbols\n");
123
124 if (!nvram->loadLocalSymbols(nvramSymtab))
125 panic("could not load nvram symbols\n");
126
127 if (!hypervisor_desc->loadLocalSymbols(hypervisorDescSymtab))
128 panic("could not load hypervisor description symbols\n");
129
130 if (!partition_desc->loadLocalSymbols(partitionDescSymtab))
131 panic("could not load partition description symbols\n");
132
133 // load symbols into debug table
134 if (!reset->loadGlobalSymbols(debugSymbolTable))
135 panic("could not load reset symbols\n");
136
137 if (!openboot->loadGlobalSymbols(debugSymbolTable))
138 panic("could not load openboot symbols\n");
139
140 if (!hypervisor->loadLocalSymbols(debugSymbolTable))
141 panic("could not load hypervisor symbols\n");
142
143 // Strip off the rom address so when the hypervisor is copied into memory we
144 // have symbols still
145 if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0xFFFFFF))
146 panic("could not load hypervisor symbols\n");
147
148 if (!nvram->loadGlobalSymbols(debugSymbolTable))
149 panic("could not load reset symbols\n");
150
151 if (!hypervisor_desc->loadGlobalSymbols(debugSymbolTable))
152 panic("could not load hypervisor description symbols\n");
153
154 if (!partition_desc->loadLocalSymbols(debugSymbolTable))
155 panic("could not load partition description symbols\n");
156
157
158 // @todo any fixup code over writing data in binaries on setting break
159 // events on functions should happen here.
160
161}
162
163SparcSystem::~SparcSystem()
164{
165 delete resetSymtab;
166 delete hypervisorSymtab;
167 delete openbootSymtab;
168 delete nvramSymtab;
169 delete hypervisorDescSymtab;
170 delete partitionDescSymtab;
171 delete reset;
172 delete openboot;
173 delete hypervisor;
174 delete nvram;
175 delete hypervisor_desc;
176 delete partition_desc;
177}
178
179void
180SparcSystem::serialize(std::ostream &os)
181{
182 System::serialize(os);
183 resetSymtab->serialize("reset_symtab", os);
184 hypervisorSymtab->serialize("hypervisor_symtab", os);
185 openbootSymtab->serialize("openboot_symtab", os);
186 nvramSymtab->serialize("nvram_symtab", os);
187 hypervisorDescSymtab->serialize("hypervisor_desc_symtab", os);
188 partitionDescSymtab->serialize("partition_desc_symtab", os);
189}
190
191
192void
193SparcSystem::unserialize(Checkpoint *cp, const std::string &section)
194{
195 System::unserialize(cp,section);
196 resetSymtab->unserialize("reset_symtab", cp, section);
197 hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
198 openbootSymtab->unserialize("openboot_symtab", cp, section);
199 nvramSymtab->unserialize("nvram_symtab", cp, section);
200 hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp, section);
201 partitionDescSymtab->unserialize("partition_desc_symtab", cp, section);
202}
203
204SparcSystem *
205SparcSystemParams::create()
206{
207 return new SparcSystem(this);
208}