system.cc revision 3980:9bcb2a2e9bb8
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 + "-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 §ion) 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} 218 219 220BEGIN_DECLARE_SIM_OBJECT_PARAMS(SparcSystem) 221 222 SimObjectParam<PhysicalMemory *> physmem; 223 SimObjectParam<PhysicalMemory *> rom; 224 SimObjectParam<PhysicalMemory *> nvram; 225 SimObjectParam<PhysicalMemory *> hypervisor_desc; 226 SimObjectParam<PhysicalMemory *> partition_desc; 227 SimpleEnumParam<System::MemoryMode> mem_mode; 228 229 Param<Addr> reset_addr; 230 Param<Addr> hypervisor_addr; 231 Param<Addr> openboot_addr; 232 Param<Addr> nvram_addr; 233 Param<Addr> hypervisor_desc_addr; 234 Param<Addr> partition_desc_addr; 235 236 Param<std::string> kernel; 237 Param<std::string> reset_bin; 238 Param<std::string> hypervisor_bin; 239 Param<std::string> openboot_bin; 240 Param<std::string> nvram_bin; 241 Param<std::string> hypervisor_desc_bin; 242 Param<std::string> partition_desc_bin; 243 244 Param<Tick> boot_cpu_frequency; 245 Param<std::string> boot_osflags; 246 Param<std::string> readfile; 247 Param<unsigned int> init_param; 248 249END_DECLARE_SIM_OBJECT_PARAMS(SparcSystem) 250 251BEGIN_INIT_SIM_OBJECT_PARAMS(SparcSystem) 252 253 INIT_PARAM(physmem, "phsyical memory"), 254 INIT_PARAM(rom, "ROM for boot code"), 255 INIT_PARAM(nvram, "Non-volatile RAM for the nvram"), 256 INIT_PARAM(hypervisor_desc, "ROM for the hypervisor description"), 257 INIT_PARAM(partition_desc, "ROM for the partition description"), 258 INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)", 259 System::MemoryModeStrings), 260 261 INIT_PARAM(reset_addr, "Address that reset should be loaded at"), 262 INIT_PARAM(hypervisor_addr, "Address that hypervisor should be loaded at"), 263 INIT_PARAM(openboot_addr, "Address that openboot should be loaded at"), 264 INIT_PARAM(nvram_addr, "Address that nvram should be loaded at"), 265 INIT_PARAM(hypervisor_desc_addr, 266 "Address that hypervisor description should be loaded at"), 267 INIT_PARAM(partition_desc_addr, 268 "Address that partition description should be loaded at"), 269 270 INIT_PARAM(kernel, "file that contains the kernel code"), 271 INIT_PARAM(reset_bin, "file that contains the reset code"), 272 INIT_PARAM(hypervisor_bin, "file that contains the hypervisor code"), 273 INIT_PARAM(openboot_bin, "file that contains the openboot code"), 274 INIT_PARAM(nvram_bin, "file that contains the nvram image"), 275 INIT_PARAM(hypervisor_desc_bin, 276 "file that contains the hypervisor description image"), 277 INIT_PARAM(partition_desc_bin, 278 "file that contains the partition description image"), 279 INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"), 280 INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot", 281 "a"), 282 INIT_PARAM_DFLT(readfile, "file to read startup script from", ""), 283 INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0) 284 285END_INIT_SIM_OBJECT_PARAMS(SparcSystem) 286 287CREATE_SIM_OBJECT(SparcSystem) 288{ 289 SparcSystem::Params *p = new SparcSystem::Params; 290 p->name = getInstanceName(); 291 p->boot_cpu_frequency = boot_cpu_frequency; 292 p->physmem = physmem; 293 p->rom = rom; 294 p->nvram = nvram; 295 p->hypervisor_desc = hypervisor_desc; 296 p->partition_desc = partition_desc; 297 p->mem_mode = mem_mode; 298 p->kernel_path = kernel; 299 p->reset_addr = reset_addr; 300 p->hypervisor_addr = hypervisor_addr; 301 p->openboot_addr = openboot_addr; 302 p->nvram_addr = nvram_addr; 303 p->hypervisor_desc_addr = hypervisor_desc_addr; 304 p->partition_desc_addr = partition_desc_addr; 305 p->reset_bin = reset_bin; 306 p->hypervisor_bin = hypervisor_bin; 307 p->openboot_bin = openboot_bin; 308 p->nvram_bin = nvram_bin; 309 p->hypervisor_desc_bin = hypervisor_desc_bin; 310 p->partition_desc_bin = partition_desc_bin; 311 p->boot_osflags = boot_osflags; 312 p->init_param = init_param; 313 p->readfile = readfile; 314 return new SparcSystem(p); 315} 316 317REGISTER_SIM_OBJECT("SparcSystem", SparcSystem) 318 319 320