system.cc revision 3527 
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 "sim/byteswap.hh"
39#include "sim/builder.hh"
40
41
42using namespace BigEndianGuest;
43
44SparcSystem::SparcSystem(Params *p)
45    : System(p), sysTick(0)
46
47{
48    resetSymtab = new SymbolTable;
49    hypervisorSymtab = new SymbolTable;
50    openbootSymtab = new SymbolTable;
51
52
53    /**
54     * Load the boot code, and hypervisor into memory.
55     */
56    // Read the reset binary
57    reset = createObjectFile(params()->reset_bin);
58    if (reset == NULL)
59        fatal("Could not load reset binary %s", params()->reset_bin);
60
61    // Read the openboot binary
62    openboot = createObjectFile(params()->openboot_bin);
63    if (openboot == NULL)
64        fatal("Could not load openboot bianry %s", params()->openboot_bin);
65
66    // Read the hypervisor binary
67    hypervisor = createObjectFile(params()->hypervisor_bin);
68    if (hypervisor == NULL)
69        fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
70
71
72    // Load reset binary into memory
73    reset->loadSections(&functionalPort, SparcISA::LoadAddrMask);
74    // Load the openboot binary
75    openboot->loadSections(&functionalPort, SparcISA::LoadAddrMask);
76    // Load the hypervisor binary
77    hypervisor->loadSections(&functionalPort, SparcISA::LoadAddrMask);
78
79    // load symbols
80    if (!reset->loadGlobalSymbols(resetSymtab))
81        panic("could not load reset symbols\n");
82
83    if (!openboot->loadGlobalSymbols(openbootSymtab))
84        panic("could not load openboot symbols\n");
85
86    if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
87        panic("could not load hypervisor symbols\n");
88
89    // load symbols into debug table
90    if (!reset->loadGlobalSymbols(debugSymbolTable))
91        panic("could not load reset symbols\n");
92
93    if (!openboot->loadGlobalSymbols(debugSymbolTable))
94        panic("could not load openboot symbols\n");
95
96    if (!hypervisor->loadLocalSymbols(debugSymbolTable))
97        panic("could not load hypervisor symbols\n");
98
99
100    // @todo any fixup code over writing data in binaries on setting break
101    // events on functions should happen here.
102
103}
104
105SparcSystem::~SparcSystem()
106{
107    delete resetSymtab;
108    delete hypervisorSymtab;
109    delete openbootSymtab;
110    delete reset;
111    delete openboot;
112    delete hypervisor;
113}
114
115bool
116SparcSystem::breakpoint()
117{
118    panic("Need to implement");
119}
120
121void
122SparcSystem::serialize(std::ostream &os)
123{
124    System::serialize(os);
125    resetSymtab->serialize("reset_symtab", os);
126    hypervisorSymtab->serialize("hypervisor_symtab", os);
127    openbootSymtab->serialize("openboot_symtab", os);
128}
129
130
131void
132SparcSystem::unserialize(Checkpoint *cp, const std::string &section)
133{
134    System::unserialize(cp,section);
135    resetSymtab->unserialize("reset_symtab", cp, section);
136    hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
137    openbootSymtab->unserialize("openboot_symtab", cp, section);
138}
139
140
141BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcSystem)
142
143    SimObjectParam<PhysicalMemory *> physmem;
144    SimpleEnumParam<System::MemoryMode> mem_mode;
145
146    Param<std::string> kernel;
147    Param<std::string> reset_bin;
148    Param<std::string> hypervisor_bin;
149    Param<std::string> openboot_bin;
150
151    Param<Tick> boot_cpu_frequency;
152    Param<std::string> boot_osflags;
153    Param<uint64_t> system_type;
154    Param<uint64_t> system_rev;
155    Param<std::string> readfile;
156    Param<unsigned int> init_param;
157
158END_DECLARE_SIM_OBJECT_PARAMS(SparcSystem)
159
160BEGIN_INIT_SIM_OBJECT_PARAMS(SparcSystem)
161
162    INIT_PARAM(physmem, "phsyical memory"),
163    INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
164            System::MemoryModeStrings),
165    INIT_PARAM(kernel, "file that contains the kernel code"),
166    INIT_PARAM(reset_bin, "file that contains the reset code"),
167    INIT_PARAM(hypervisor_bin, "file that contains the hypervisor code"),
168    INIT_PARAM(openboot_bin, "file that contains the openboot code"),
169    INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
170    INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
171                    "a"),
172    INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34),
173    INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10),
174    INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
175    INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0)
176
177END_INIT_SIM_OBJECT_PARAMS(SparcSystem)
178
179CREATE_SIM_OBJECT(SparcSystem)
180{
181    SparcSystem::Params *p = new SparcSystem::Params;
182    p->name = getInstanceName();
183    p->boot_cpu_frequency = boot_cpu_frequency;
184    p->physmem = physmem;
185    p->mem_mode = mem_mode;
186    p->kernel_path = kernel;
187    p->reset_bin = reset_bin;
188    p->hypervisor_bin = hypervisor_bin;
189    p->openboot_bin = openboot_bin;
190    p->boot_osflags = boot_osflags;
191    p->init_param = init_param;
192    p->readfile = readfile;
193    p->system_type = system_type;
194    p->system_rev = system_rev;
195    return new SparcSystem(p);
196}
197
198REGISTER_SIM_OBJECT("SparcSystem", SparcSystem)
199
200
201