system.cc revision 9292:e57c7d9736a5 
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    /**
53     * Load the boot code, and hypervisor into memory.
54     */
55    // Read the reset binary
56    reset = createObjectFile(params()->reset_bin, true);
57    if (reset == NULL)
58        fatal("Could not load reset binary %s", params()->reset_bin);
59
60    // Read the openboot binary
61    openboot = createObjectFile(params()->openboot_bin, true);
62    if (openboot == NULL)
63        fatal("Could not load openboot bianry %s", params()->openboot_bin);
64
65    // Read the hypervisor binary
66    hypervisor = createObjectFile(params()->hypervisor_bin, true);
67    if (hypervisor == NULL)
68        fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
69
70    // Read the nvram image
71    nvram = createObjectFile(params()->nvram_bin, true);
72    if (nvram == NULL)
73        fatal("Could not load nvram image %s", params()->nvram_bin);
74
75    // Read the hypervisor description image
76    hypervisor_desc = createObjectFile(params()->hypervisor_desc_bin, true);
77    if (hypervisor_desc == NULL)
78        fatal("Could not load hypervisor description image %s",
79                params()->hypervisor_desc_bin);
80
81    // Read the partition description image
82    partition_desc = createObjectFile(params()->partition_desc_bin, true);
83    if (partition_desc == NULL)
84        fatal("Could not load partition description image %s",
85                params()->partition_desc_bin);
86
87    // load symbols
88    if (!reset->loadGlobalSymbols(resetSymtab))
89        panic("could not load reset symbols\n");
90
91    if (!openboot->loadGlobalSymbols(openbootSymtab))
92        panic("could not load openboot symbols\n");
93
94    if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
95        panic("could not load hypervisor symbols\n");
96
97    if (!nvram->loadLocalSymbols(nvramSymtab))
98        panic("could not load nvram symbols\n");
99
100    if (!hypervisor_desc->loadLocalSymbols(hypervisorDescSymtab))
101        panic("could not load hypervisor description symbols\n");
102
103    if (!partition_desc->loadLocalSymbols(partitionDescSymtab))
104        panic("could not load partition description symbols\n");
105
106    // load symbols into debug table
107    if (!reset->loadGlobalSymbols(debugSymbolTable))
108        panic("could not load reset symbols\n");
109
110    if (!openboot->loadGlobalSymbols(debugSymbolTable))
111        panic("could not load openboot symbols\n");
112
113    if (!hypervisor->loadLocalSymbols(debugSymbolTable))
114        panic("could not load hypervisor symbols\n");
115
116    // Strip off the rom address so when the hypervisor is copied into memory we
117    // have symbols still
118    if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0xFFFFFF))
119        panic("could not load hypervisor symbols\n");
120
121    if (!nvram->loadGlobalSymbols(debugSymbolTable))
122        panic("could not load reset symbols\n");
123
124    if (!hypervisor_desc->loadGlobalSymbols(debugSymbolTable))
125        panic("could not load hypervisor description symbols\n");
126
127    if (!partition_desc->loadLocalSymbols(debugSymbolTable))
128        panic("could not load partition description symbols\n");
129
130}
131
132void
133SparcSystem::initState()
134{
135    // Call the initialisation of the super class
136    System::initState();
137
138    // Load reset binary into memory
139    reset->setTextBase(params()->reset_addr);
140    reset->loadSections(physProxy);
141    // Load the openboot binary
142    openboot->setTextBase(params()->openboot_addr);
143    openboot->loadSections(physProxy);
144    // Load the hypervisor binary
145    hypervisor->setTextBase(params()->hypervisor_addr);
146    hypervisor->loadSections(physProxy);
147    // Load the nvram image
148    nvram->setTextBase(params()->nvram_addr);
149    nvram->loadSections(physProxy);
150    // Load the hypervisor description image
151    hypervisor_desc->setTextBase(params()->hypervisor_desc_addr);
152    hypervisor_desc->loadSections(physProxy);
153    // Load the partition description image
154    partition_desc->setTextBase(params()->partition_desc_addr);
155    partition_desc->loadSections(physProxy);
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::serializeSymtab(std::ostream &os)
181{
182    resetSymtab->serialize("reset_symtab", os);
183    hypervisorSymtab->serialize("hypervisor_symtab", os);
184    openbootSymtab->serialize("openboot_symtab", os);
185    nvramSymtab->serialize("nvram_symtab", os);
186    hypervisorDescSymtab->serialize("hypervisor_desc_symtab", os);
187    partitionDescSymtab->serialize("partition_desc_symtab", os);
188}
189
190
191void
192SparcSystem::unserializeSymtab(Checkpoint *cp, const std::string &section)
193{
194    resetSymtab->unserialize("reset_symtab", cp, section);
195    hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
196    openbootSymtab->unserialize("openboot_symtab", cp, section);
197    nvramSymtab->unserialize("nvram_symtab", cp, section);
198    hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp, section);
199    partitionDescSymtab->unserialize("partition_desc_symtab", cp, section);
200}
201
202SparcSystem *
203SparcSystemParams::create()
204{
205    return new SparcSystem(this);
206}
207