system.cc revision 8229:78bf55f23338 
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),funcRomPort(p->name + "-fromport"),
44    funcNvramPort(p->name + "-fnvramport"),
45    funcHypDescPort(p->name + "-fhypdescport"),
46    funcPartDescPort(p->name + "-fpartdescport")
47{
48    resetSymtab = new SymbolTable;
49    hypervisorSymtab = new SymbolTable;
50    openbootSymtab = new SymbolTable;
51    nvramSymtab = new SymbolTable;
52    hypervisorDescSymtab = new SymbolTable;
53    partitionDescSymtab = new SymbolTable;
54
55    Port *rom_port;
56    rom_port = params()->rom->getPort("functional");
57    funcRomPort.setPeer(rom_port);
58    rom_port->setPeer(&funcRomPort);
59
60    rom_port = params()->nvram->getPort("functional");
61    funcNvramPort.setPeer(rom_port);
62    rom_port->setPeer(&funcNvramPort);
63
64    rom_port = params()->hypervisor_desc->getPort("functional");
65    funcHypDescPort.setPeer(rom_port);
66    rom_port->setPeer(&funcHypDescPort);
67
68    rom_port = params()->partition_desc->getPort("functional");
69    funcPartDescPort.setPeer(rom_port);
70    rom_port->setPeer(&funcPartDescPort);
71
72    /**
73     * Load the boot code, and hypervisor into memory.
74     */
75    // Read the reset binary
76    reset = createObjectFile(params()->reset_bin, true);
77    if (reset == NULL)
78        fatal("Could not load reset binary %s", params()->reset_bin);
79
80    // Read the openboot binary
81    openboot = createObjectFile(params()->openboot_bin, true);
82    if (openboot == NULL)
83        fatal("Could not load openboot bianry %s", params()->openboot_bin);
84
85    // Read the hypervisor binary
86    hypervisor = createObjectFile(params()->hypervisor_bin, true);
87    if (hypervisor == NULL)
88        fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
89
90    // Read the nvram image
91    nvram = createObjectFile(params()->nvram_bin, true);
92    if (nvram == NULL)
93        fatal("Could not load nvram image %s", params()->nvram_bin);
94
95    // Read the hypervisor description image
96    hypervisor_desc = createObjectFile(params()->hypervisor_desc_bin, true);
97    if (hypervisor_desc == NULL)
98        fatal("Could not load hypervisor description image %s",
99                params()->hypervisor_desc_bin);
100
101    // Read the partition description image
102    partition_desc = createObjectFile(params()->partition_desc_bin, true);
103    if (partition_desc == NULL)
104        fatal("Could not load partition description image %s",
105                params()->partition_desc_bin);
106
107
108    // Load reset binary into memory
109    reset->setTextBase(params()->reset_addr);
110    reset->loadSections(&funcRomPort);
111    // Load the openboot binary
112    openboot->setTextBase(params()->openboot_addr);
113    openboot->loadSections(&funcRomPort);
114    // Load the hypervisor binary
115    hypervisor->setTextBase(params()->hypervisor_addr);
116    hypervisor->loadSections(&funcRomPort);
117    // Load the nvram image
118    nvram->setTextBase(params()->nvram_addr);
119    nvram->loadSections(&funcNvramPort);
120    // Load the hypervisor description image
121    hypervisor_desc->setTextBase(params()->hypervisor_desc_addr);
122    hypervisor_desc->loadSections(&funcHypDescPort);
123    // Load the partition description image
124    partition_desc->setTextBase(params()->partition_desc_addr);
125    partition_desc->loadSections(&funcPartDescPort);
126
127    // load symbols
128    if (!reset->loadGlobalSymbols(resetSymtab))
129        panic("could not load reset symbols\n");
130
131    if (!openboot->loadGlobalSymbols(openbootSymtab))
132        panic("could not load openboot symbols\n");
133
134    if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
135        panic("could not load hypervisor symbols\n");
136
137    if (!nvram->loadLocalSymbols(nvramSymtab))
138        panic("could not load nvram symbols\n");
139
140    if (!hypervisor_desc->loadLocalSymbols(hypervisorDescSymtab))
141        panic("could not load hypervisor description symbols\n");
142
143    if (!partition_desc->loadLocalSymbols(partitionDescSymtab))
144        panic("could not load partition description symbols\n");
145
146    // load symbols into debug table
147    if (!reset->loadGlobalSymbols(debugSymbolTable))
148        panic("could not load reset symbols\n");
149
150    if (!openboot->loadGlobalSymbols(debugSymbolTable))
151        panic("could not load openboot symbols\n");
152
153    if (!hypervisor->loadLocalSymbols(debugSymbolTable))
154        panic("could not load hypervisor symbols\n");
155
156    // Strip off the rom address so when the hypervisor is copied into memory we
157    // have symbols still
158    if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0xFFFFFF))
159        panic("could not load hypervisor symbols\n");
160
161    if (!nvram->loadGlobalSymbols(debugSymbolTable))
162        panic("could not load reset symbols\n");
163
164    if (!hypervisor_desc->loadGlobalSymbols(debugSymbolTable))
165        panic("could not load hypervisor description symbols\n");
166
167    if (!partition_desc->loadLocalSymbols(debugSymbolTable))
168        panic("could not load partition description symbols\n");
169
170
171    // @todo any fixup code over writing data in binaries on setting break
172    // events on functions should happen here.
173
174}
175
176SparcSystem::~SparcSystem()
177{
178    delete resetSymtab;
179    delete hypervisorSymtab;
180    delete openbootSymtab;
181    delete nvramSymtab;
182    delete hypervisorDescSymtab;
183    delete partitionDescSymtab;
184    delete reset;
185    delete openboot;
186    delete hypervisor;
187    delete nvram;
188    delete hypervisor_desc;
189    delete partition_desc;
190}
191
192void
193SparcSystem::serialize(std::ostream &os)
194{
195    System::serialize(os);
196    resetSymtab->serialize("reset_symtab", os);
197    hypervisorSymtab->serialize("hypervisor_symtab", os);
198    openbootSymtab->serialize("openboot_symtab", os);
199    nvramSymtab->serialize("nvram_symtab", os);
200    hypervisorDescSymtab->serialize("hypervisor_desc_symtab", os);
201    partitionDescSymtab->serialize("partition_desc_symtab", os);
202}
203
204
205void
206SparcSystem::unserialize(Checkpoint *cp, const std::string &section)
207{
208    System::unserialize(cp,section);
209    resetSymtab->unserialize("reset_symtab", cp, section);
210    hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
211    openbootSymtab->unserialize("openboot_symtab", cp, section);
212    nvramSymtab->unserialize("nvram_symtab", cp, section);
213    hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp, section);
214    partitionDescSymtab->unserialize("partition_desc_symtab", cp, section);
215}
216
217SparcSystem *
218SparcSystemParams::create()
219{
220    return new SparcSystem(this);
221}
222