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;

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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