system.cc revision 3584:8c3cdb2c001c 
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),funcRomPort(p->name + "-fport")
46
47{
48    resetSymtab = new SymbolTable;
49    hypervisorSymtab = new SymbolTable;
50    openbootSymtab = new SymbolTable;
51
52    Port *rom_port;
53    rom_port = params()->rom->getPort("functional");
54    funcRomPort.setPeer(rom_port);
55    rom_port->setPeer(&funcRomPort);
56
57    /**
58     * Load the boot code, and hypervisor into memory.
59     */
60    // Read the reset binary
61    reset = createObjectFile(params()->reset_bin, true);
62    if (reset == NULL)
63        fatal("Could not load reset binary %s", params()->reset_bin);
64
65    // Read the openboot binary
66    openboot = createObjectFile(params()->openboot_bin, true);
67    if (openboot == NULL)
68        fatal("Could not load openboot bianry %s", params()->openboot_bin);
69
70    // Read the hypervisor binary
71    hypervisor = createObjectFile(params()->hypervisor_bin, true);
72    if (hypervisor == NULL)
73        fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
74
75
76    // Load reset binary into memory
77    reset->setTextBase(params()->reset_addr);
78    reset->loadSections(&funcRomPort);
79    // Load the openboot binary
80    openboot->setTextBase(params()->openboot_addr);
81    openboot->loadSections(&funcRomPort);
82    // Load the hypervisor binary
83    hypervisor->setTextBase(params()->hypervisor_addr);
84    hypervisor->loadSections(&funcRomPort);
85
86    // load symbols
87    if (!reset->loadGlobalSymbols(resetSymtab))
88        panic("could not load reset symbols\n");
89
90    if (!openboot->loadGlobalSymbols(openbootSymtab))
91        panic("could not load openboot symbols\n");
92
93    if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
94        panic("could not load hypervisor symbols\n");
95
96    // load symbols into debug table
97    if (!reset->loadGlobalSymbols(debugSymbolTable))
98        panic("could not load reset symbols\n");
99
100    if (!openboot->loadGlobalSymbols(debugSymbolTable))
101        panic("could not load openboot symbols\n");
102
103    if (!hypervisor->loadLocalSymbols(debugSymbolTable))
104        panic("could not load hypervisor symbols\n");
105
106
107    // @todo any fixup code over writing data in binaries on setting break
108    // events on functions should happen here.
109
110}
111
112SparcSystem::~SparcSystem()
113{
114    delete resetSymtab;
115    delete hypervisorSymtab;
116    delete openbootSymtab;
117    delete reset;
118    delete openboot;
119    delete hypervisor;
120}
121
122bool
123SparcSystem::breakpoint()
124{
125    panic("Need to implement");
126}
127
128void
129SparcSystem::serialize(std::ostream &os)
130{
131    System::serialize(os);
132    resetSymtab->serialize("reset_symtab", os);
133    hypervisorSymtab->serialize("hypervisor_symtab", os);
134    openbootSymtab->serialize("openboot_symtab", os);
135}
136
137
138void
139SparcSystem::unserialize(Checkpoint *cp, const std::string &section)
140{
141    System::unserialize(cp,section);
142    resetSymtab->unserialize("reset_symtab", cp, section);
143    hypervisorSymtab->unserialize("hypervisor_symtab", cp, section);
144    openbootSymtab->unserialize("openboot_symtab", cp, section);
145}
146
147
148BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcSystem)
149
150    SimObjectParam<PhysicalMemory *> physmem;
151    SimObjectParam<PhysicalMemory *> rom;
152    SimpleEnumParam<System::MemoryMode> mem_mode;
153
154    Param<Addr> reset_addr;
155    Param<Addr> hypervisor_addr;
156    Param<Addr> openboot_addr;
157
158    Param<std::string> kernel;
159    Param<std::string> reset_bin;
160    Param<std::string> hypervisor_bin;
161    Param<std::string> openboot_bin;
162
163    Param<Tick> boot_cpu_frequency;
164    Param<std::string> boot_osflags;
165    Param<std::string> readfile;
166    Param<unsigned int> init_param;
167
168END_DECLARE_SIM_OBJECT_PARAMS(SparcSystem)
169
170BEGIN_INIT_SIM_OBJECT_PARAMS(SparcSystem)
171
172    INIT_PARAM(physmem, "phsyical memory"),
173    INIT_PARAM(rom, "ROM for boot code"),
174    INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)",
175            System::MemoryModeStrings),
176
177    INIT_PARAM(reset_addr, "Address that reset should be loaded at"),
178    INIT_PARAM(hypervisor_addr, "Address that hypervisor should be loaded at"),
179    INIT_PARAM(openboot_addr, "Address that openboot should be loaded at"),
180
181    INIT_PARAM(kernel, "file that contains the kernel code"),
182    INIT_PARAM(reset_bin, "file that contains the reset code"),
183    INIT_PARAM(hypervisor_bin, "file that contains the hypervisor code"),
184    INIT_PARAM(openboot_bin, "file that contains the openboot code"),
185    INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"),
186    INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
187                    "a"),
188    INIT_PARAM_DFLT(readfile, "file to read startup script from", ""),
189    INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0)
190
191END_INIT_SIM_OBJECT_PARAMS(SparcSystem)
192
193CREATE_SIM_OBJECT(SparcSystem)
194{
195    SparcSystem::Params *p = new SparcSystem::Params;
196    p->name = getInstanceName();
197    p->boot_cpu_frequency = boot_cpu_frequency;
198    p->physmem = physmem;
199    p->rom = rom;
200    p->mem_mode = mem_mode;
201    p->kernel_path = kernel;
202    p->reset_addr = reset_addr;
203    p->hypervisor_addr = hypervisor_addr;
204    p->openboot_addr = openboot_addr;
205    p->reset_bin = reset_bin;
206    p->hypervisor_bin = hypervisor_bin;
207    p->openboot_bin = openboot_bin;
208    p->boot_osflags = boot_osflags;
209    p->init_param = init_param;
210    p->readfile = readfile;
211    return new SparcSystem(p);
212}
213
214REGISTER_SIM_OBJECT("SparcSystem", SparcSystem)
215
216
217