system.cc revision 5299 
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/remote_gdb.hh"
34#include "base/loader/object_file.hh"
35#include "base/loader/symtab.hh"
36#include "base/trace.hh"
37#include "mem/physical.hh"
38#include "params/SparcSystem.hh"
39#include "sim/byteswap.hh"
40
41
42using namespace BigEndianGuest;
43
44SparcSystem::SparcSystem(Params *p)
45    : System(p), sysTick(0),funcRomPort(p->name + "-fromport"),
46    funcNvramPort(p->name + "-fnvramport"),
47    funcHypDescPort(p->name + "-fhypdescport"),
48    funcPartDescPort(p->name + "-fpartdescport")
49{
50    resetSymtab = new SymbolTable;
51    hypervisorSymtab = new SymbolTable;
52    openbootSymtab = new SymbolTable;
53    nvramSymtab = new SymbolTable;
54    hypervisorDescSymtab = new SymbolTable;
55    partitionDescSymtab = new SymbolTable;
56
57    Port *rom_port;
58    rom_port = params()->rom->getPort("functional");
59    funcRomPort.setPeer(rom_port);
60    rom_port->setPeer(&funcRomPort);
61
62    rom_port = params()->nvram->getPort("functional");
63    funcNvramPort.setPeer(rom_port);
64    rom_port->setPeer(&funcNvramPort);
65
66    rom_port = params()->hypervisor_desc->getPort("functional");
67    funcHypDescPort.setPeer(rom_port);
68    rom_port->setPeer(&funcHypDescPort);
69
70    rom_port = params()->partition_desc->getPort("functional");
71    funcPartDescPort.setPeer(rom_port);
72    rom_port->setPeer(&funcPartDescPort);
73
74    /**
75     * Load the boot code, and hypervisor into memory.
76     */
77    // Read the reset binary
78    reset = createObjectFile(params()->reset_bin, true);
79    if (reset == NULL)
80        fatal("Could not load reset binary %s", params()->reset_bin);
81
82    // Read the openboot binary
83    openboot = createObjectFile(params()->openboot_bin, true);
84    if (openboot == NULL)
85        fatal("Could not load openboot bianry %s", params()->openboot_bin);
86
87    // Read the hypervisor binary
88    hypervisor = createObjectFile(params()->hypervisor_bin, true);
89    if (hypervisor == NULL)
90        fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
91
92    // Read the nvram image
93    nvram = createObjectFile(params()->nvram_bin, true);
94    if (nvram == NULL)
95        fatal("Could not load nvram image %s", params()->nvram_bin);
96
97    // Read the hypervisor description image
98    hypervisor_desc = createObjectFile(params()->hypervisor_desc_bin, true);
99    if (hypervisor_desc == NULL)
100        fatal("Could not load hypervisor description image %s",
101                params()->hypervisor_desc_bin);
102
103    // Read the partition description image
104    partition_desc = createObjectFile(params()->partition_desc_bin, true);
105    if (partition_desc == NULL)
106        fatal("Could not load partition description image %s",
107                params()->partition_desc_bin);
108
109
110    // Load reset binary into memory
111    reset->setTextBase(params()->reset_addr);
112    reset->loadSections(&funcRomPort);
113    // Load the openboot binary
114    openboot->setTextBase(params()->openboot_addr);
115    openboot->loadSections(&funcRomPort);
116    // Load the hypervisor binary
117    hypervisor->setTextBase(params()->hypervisor_addr);
118    hypervisor->loadSections(&funcRomPort);
119    // Load the nvram image
120    nvram->setTextBase(params()->nvram_addr);
121    nvram->loadSections(&funcNvramPort);
122    // Load the hypervisor description image
123    hypervisor_desc->setTextBase(params()->hypervisor_desc_addr);
124    hypervisor_desc->loadSections(&funcHypDescPort);
125    // Load the partition description image
126    partition_desc->setTextBase(params()->partition_desc_addr);
127    partition_desc->loadSections(&funcPartDescPort);
128
129    // load symbols
130    if (!reset->loadGlobalSymbols(resetSymtab))
131        panic("could not load reset symbols\n");
132
133    if (!openboot->loadGlobalSymbols(openbootSymtab))
134        panic("could not load openboot symbols\n");
135
136    if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
137        panic("could not load hypervisor symbols\n");
138
139    if (!nvram->loadLocalSymbols(nvramSymtab))
140        panic("could not load nvram symbols\n");
141
142    if (!hypervisor_desc->loadLocalSymbols(hypervisorDescSymtab))
143        panic("could not load hypervisor description symbols\n");
144
145    if (!partition_desc->loadLocalSymbols(partitionDescSymtab))
146        panic("could not load partition description symbols\n");
147
148    // load symbols into debug table
149    if (!reset->loadGlobalSymbols(debugSymbolTable))
150        panic("could not load reset symbols\n");
151
152    if (!openboot->loadGlobalSymbols(debugSymbolTable))
153        panic("could not load openboot symbols\n");
154
155    if (!hypervisor->loadLocalSymbols(debugSymbolTable))
156        panic("could not load hypervisor symbols\n");
157
158    // Strip off the rom address so when the hypervisor is copied into memory we
159    // have symbols still
160    if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0xFFFFFF))
161        panic("could not load hypervisor symbols\n");
162
163    if (!nvram->loadGlobalSymbols(debugSymbolTable))
164        panic("could not load reset symbols\n");
165
166    if (!hypervisor_desc->loadGlobalSymbols(debugSymbolTable))
167        panic("could not load hypervisor description symbols\n");
168
169    if (!partition_desc->loadLocalSymbols(debugSymbolTable))
170        panic("could not load partition description symbols\n");
171
172
173    // @todo any fixup code over writing data in binaries on setting break
174    // events on functions should happen here.
175
176}
177
178SparcSystem::~SparcSystem()
179{
180    delete resetSymtab;
181    delete hypervisorSymtab;
182    delete openbootSymtab;
183    delete nvramSymtab;
184    delete hypervisorDescSymtab;
185    delete partitionDescSymtab;
186    delete reset;
187    delete openboot;
188    delete hypervisor;
189    delete nvram;
190    delete hypervisor_desc;
191    delete partition_desc;
192}
193
194void
195SparcSystem::serialize(std::ostream &os)
196{
197    System::serialize(os);
198    resetSymtab->serialize("reset_symtab", os);
199    hypervisorSymtab->serialize("hypervisor_symtab", os);
200    openbootSymtab->serialize("openboot_symtab", os);
201    nvramSymtab->serialize("nvram_symtab", os);
202    hypervisorDescSymtab->serialize("hypervisor_desc_symtab", os);
203    partitionDescSymtab->serialize("partition_desc_symtab", os);
204}
205
206
207void
208SparcSystem::unserialize(Checkpoint *cp, const std::string &section)
209{
210    System::unserialize(cp,section);
211    resetSymtab->unserialize("reset_symtab", cp, section);
212    hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
213    openbootSymtab->unserialize("openboot_symtab", cp, section);
214    nvramSymtab->unserialize("nvram_symtab", cp, section);
215    hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp, section);
216    partitionDescSymtab->unserialize("partition_desc_symtab", cp, section);
217}
218
219SparcSystem *
220SparcSystemParams::create()
221{
222    return new SparcSystem(this);
223}
224