system.cc revision 2902
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(reset)) 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 §ion) 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<std::string> boot_osflags; 152 Param<std::string> readfile; 153 Param<unsigned int> init_param; 154 155 Param<bool> bin; 156 VectorParam<std::string> binned_fns; 157 Param<bool> bin_int; 158 159END_DECLARE_SIM_OBJECT_PARAMS(SparcSystem) 160 161BEGIN_INIT_SIM_OBJECT_PARAMS(SparcSystem) 162 163 INIT_PARAM(boot_cpu_frequency, "Frequency of the boot CPU"), 164 INIT_PARAM(physmem, "phsyical memory"), 165 INIT_ENUM_PARAM(mem_mode, "Memory Mode, (1=atomic, 2=timing)", 166 System::MemoryModeStrings), 167 INIT_PARAM(kernel, "file that contains the kernel code"), 168 INIT_PARAM(reset_bin, "file that contains the reset code"), 169 INIT_PARAM(hypervisor_bin, "file that contains the hypervisor code"), 170 INIT_PARAM(openboot_bin, "file that contains the openboot code"), 171 INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot", 172 "a"), 173 INIT_PARAM_DFLT(readfile, "file to read startup script from", ""), 174 INIT_PARAM_DFLT(init_param, "numerical value to pass into simulator", 0), 175 INIT_PARAM_DFLT(system_type, "Type of system we are emulating", 34), 176 INIT_PARAM_DFLT(system_rev, "Revision of system we are emulating", 1<<10), 177 INIT_PARAM_DFLT(bin, "is this system to be binned", false), 178 INIT_PARAM(binned_fns, "functions to be broken down and binned"), 179 INIT_PARAM_DFLT(bin_int, "is interrupt code binned seperately?", true) 180 181END_INIT_SIM_OBJECT_PARAMS(SparcSystem) 182 183CREATE_SIM_OBJECT(SparcSystem) 184{ 185 SparcSystem::Params *p = new SparcSystem::Params; 186 p->name = getInstanceName(); 187 p->boot_cpu_frequency = boot_cpu_frequency; 188 p->physmem = physmem; 189 p->mem_mode = mem_mode; 190 p->kernel_path = kernel; 191 p->reset_bin = reset_bin; 192 p->hypervisor_bin = hypervisor_bin; 193 p->openboot_bin = openboot_bin; 194 p->boot_osflags = boot_osflags; 195 p->init_param = init_param; 196 p->readfile = readfile; 197 p->system_type = system_type; 198 p->system_rev = system_rev; 199 p->bin = bin; 200 p->binned_fns = binned_fns; 201 p->bin_int = bin_int; 202 return new SparcSystem(p); 203} 204 205REGISTER_SIM_OBJECT("SparcSystem", SparcSystem) 206 207 208