system.cc revision 1074
16145Snate@binkert.org/* 26145Snate@binkert.org * Copyright (c) 2002-2004 The Regents of The University of Michigan 36145Snate@binkert.org * All rights reserved. 46145Snate@binkert.org * 56145Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66145Snate@binkert.org * modification, are permitted provided that the following conditions are 76145Snate@binkert.org * met: redistributions of source code must retain the above copyright 86145Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96145Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106145Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116145Snate@binkert.org * documentation and/or other materials provided with the distribution; 126145Snate@binkert.org * neither the name of the copyright holders nor the names of its 136145Snate@binkert.org * contributors may be used to endorse or promote products derived from 146145Snate@binkert.org * this software without specific prior written permission. 156145Snate@binkert.org * 166145Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145Snate@binkert.org */ 286145Snate@binkert.org 296145Snate@binkert.org#include "base/loader/object_file.hh" 306145Snate@binkert.org#include "base/loader/symtab.hh" 316145Snate@binkert.org#include "base/remote_gdb.hh" 326145Snate@binkert.org#include "cpu/exec_context.hh" 336145Snate@binkert.org#include "kern/kernel_stats.hh" 346145Snate@binkert.org#include "mem/functional_mem/memory_control.hh" 356145Snate@binkert.org#include "mem/functional_mem/physical_memory.hh" 366145Snate@binkert.org#include "targetarch/vtophys.hh" 376145Snate@binkert.org#include "sim/param.hh" 386145Snate@binkert.org#include "sim/system.hh" 396145Snate@binkert.org#include "base/trace.hh" 406145Snate@binkert.org 416145Snate@binkert.orgusing namespace std; 426145Snate@binkert.org 436145Snate@binkert.orgvector<System *> System::systemList; 446145Snate@binkert.org 457002Snate@binkert.orgint System::numSystemsRunning = 0; 467002Snate@binkert.org 477002Snate@binkert.orgextern SymbolTable *debugSymbolTable; 488946Sandreas.hansson@arm.com 498946Sandreas.hansson@arm.comSystem::System(Params *p) 507002Snate@binkert.org : SimObject(p->name), memctrl(p->memctrl), physmem(p->physmem), 517454Snate@binkert.org init_param(p->init_param), params(p) 527832Snate@binkert.org{ 537454Snate@binkert.org // add self to global system list 547454Snate@binkert.org systemList.push_back(this); 557056Snate@binkert.org 567048Snate@binkert.org kernelSymtab = new SymbolTable; 578229Snate@binkert.org consoleSymtab = new SymbolTable; 587048Snate@binkert.org debugSymbolTable = new SymbolTable; 597048Snate@binkert.org 606154Snate@binkert.org /** 616154Snate@binkert.org * Load the kernel, pal, and console code into memory 626876Ssteve.reinhardt@amd.com */ 637055Snate@binkert.org // Load kernel code 647454Snate@binkert.org kernel = createObjectFile(params->kernel_path); 657055Snate@binkert.org if (kernel == NULL) 666145Snate@binkert.org fatal("Could not load kernel file %s", params->kernel_path); 676145Snate@binkert.org 686145Snate@binkert.org // Load Console Code 696876Ssteve.reinhardt@amd.com console = createObjectFile(params->console_path); 709171Snilay@cs.wisc.edu if (console == NULL) 716145Snate@binkert.org fatal("Could not load console file %s", params->console_path); 727048Snate@binkert.org 737048Snate@binkert.org // Load pal file 746285Snate@binkert.org pal = createObjectFile(params->palcode); 757048Snate@binkert.org if (pal == NULL) 767048Snate@binkert.org fatal("Could not load PALcode file %s", params->palcode); 777048Snate@binkert.org 786145Snate@binkert.org 797048Snate@binkert.org // Load program sections into memory 807048Snate@binkert.org pal->loadSections(physmem, true); 816876Ssteve.reinhardt@amd.com console->loadSections(physmem, true); 827048Snate@binkert.org kernel->loadSections(physmem, true); 836896SBrad.Beckmann@amd.com 847048Snate@binkert.org // setup entry points 857048Snate@binkert.org kernelStart = kernel->textBase(); 866285Snate@binkert.org kernelEnd = kernel->bssBase() + kernel->bssSize(); 877048Snate@binkert.org kernelEntry = kernel->entryPoint(); 887048Snate@binkert.org 897048Snate@binkert.org // load symbols 906285Snate@binkert.org if (!kernel->loadGlobalSymbols(kernelSymtab)) 917048Snate@binkert.org panic("could not load kernel symbols\n"); 927048Snate@binkert.org 937048Snate@binkert.org if (!kernel->loadLocalSymbols(kernelSymtab)) 947048Snate@binkert.org panic("could not load kernel local symbols\n"); 957048Snate@binkert.org 968436SBrad.Beckmann@amd.com if (!console->loadGlobalSymbols(consoleSymtab)) 978436SBrad.Beckmann@amd.com panic("could not load console symbols\n"); 986285Snate@binkert.org 996285Snate@binkert.org if (!kernel->loadGlobalSymbols(debugSymbolTable)) 1006889SBrad.Beckmann@amd.com panic("could not load kernel symbols\n"); 1016889SBrad.Beckmann@amd.com 1027048Snate@binkert.org if (!kernel->loadLocalSymbols(debugSymbolTable)) 1037048Snate@binkert.org panic("could not load kernel local symbols\n"); 1047048Snate@binkert.org 1056889SBrad.Beckmann@amd.com if (!console->loadGlobalSymbols(debugSymbolTable)) 1066889SBrad.Beckmann@amd.com panic("could not load console symbols\n"); 1077048Snate@binkert.org 1087048Snate@binkert.org if (!pal->loadGlobalSymbols(debugSymbolTable)) 1096145Snate@binkert.org panic("could not load pal symbols\n"); 1107048Snate@binkert.org 1116145Snate@binkert.org if (!pal->loadLocalSymbols(debugSymbolTable)) 1129231Snilay@cs.wisc.edu panic("could not load pal symbols\n"); 1136145Snate@binkert.org 1147048Snate@binkert.org 1157048Snate@binkert.org DPRINTF(Loader, "Kernel start = %#x\n", kernelStart); 1169171Snilay@cs.wisc.edu DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd); 1177048Snate@binkert.org DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry); 1187048Snate@binkert.org DPRINTF(Loader, "Kernel loaded...\n"); 1196145Snate@binkert.org 1207048Snate@binkert.org Addr addr = 0; 1216889SBrad.Beckmann@amd.com#ifdef DEBUG 1229171Snilay@cs.wisc.edu consolePanicEvent = new BreakPCEvent(&pcEventQueue, "console panic"); 1237048Snate@binkert.org if (consoleSymtab->findAddress("panic", addr)) 1247048Snate@binkert.org consolePanicEvent->schedule(addr); 1256889SBrad.Beckmann@amd.com#endif 1267048Snate@binkert.org 1277054Snate@binkert.org /** 1287048Snate@binkert.org * Copy the osflags (kernel arguments) into the consoles 1297048Snate@binkert.org * memory. (Presently Linux does not use the console service 1306889SBrad.Beckmann@amd.com * routine to get these command line arguments, but Tru64 and 1316145Snate@binkert.org * others do.) 1326145Snate@binkert.org */ 1336145Snate@binkert.org if (consoleSymtab->findAddress("env_booted_osflags", addr)) { 1346145Snate@binkert.org Addr paddr = vtophys(physmem, addr); 1357048Snate@binkert.org char *osflags = (char *)physmem->dma_addr(paddr, sizeof(uint32_t)); 1367048Snate@binkert.org 1376145Snate@binkert.org if (osflags) 1386145Snate@binkert.org strcpy(osflags, params->boot_osflags.c_str()); 1397048Snate@binkert.org } 1409465Snilay@cs.wisc.edu 1417048Snate@binkert.org /** 1427048Snate@binkert.org * Set the hardware reset parameter block system type and revision 1437048Snate@binkert.org * information to Tsunami. 1447048Snate@binkert.org */ 1457048Snate@binkert.org if (consoleSymtab->findAddress("xxm_rpb", addr)) { 1467048Snate@binkert.org Addr paddr = vtophys(physmem, addr); 1477048Snate@binkert.org char *hwrpb = (char *)physmem->dma_addr(paddr, sizeof(uint64_t)); 1487048Snate@binkert.org 1497048Snate@binkert.org if (!hwrpb) 1507048Snate@binkert.org panic("could not translate hwrpb addr\n"); 1516145Snate@binkert.org 1526145Snate@binkert.org *(uint64_t*)(hwrpb+0x50) = params->system_type; 1537048Snate@binkert.org *(uint64_t*)(hwrpb+0x58) = params->system_rev; 1549206Snilay@cs.wisc.edu } else 1557048Snate@binkert.org panic("could not find hwrpb\n"); 1567048Snate@binkert.org 1577048Snate@binkert.org // increment the number of running systms 1589231Snilay@cs.wisc.edu numSystemsRunning++; 1597048Snate@binkert.org 1607054Snate@binkert.org kernelBinning = new Kernel::Binning(this); 1617048Snate@binkert.org} 1627048Snate@binkert.org 1637048Snate@binkert.orgSystem::~System() 1649206Snilay@cs.wisc.edu{ 1657048Snate@binkert.org delete kernelSymtab; 1667048Snate@binkert.org delete consoleSymtab; 1677048Snate@binkert.org delete kernel; 1687048Snate@binkert.org delete console; 1697048Snate@binkert.org delete pal; 1707048Snate@binkert.org 1717048Snate@binkert.org delete kernelBinning; 1727048Snate@binkert.org 1737048Snate@binkert.org#ifdef DEBUG 1747048Snate@binkert.org delete consolePanicEvent; 1757048Snate@binkert.org#endif 1767048Snate@binkert.org} 1777048Snate@binkert.org 1787048Snate@binkert.orgbool 1797048Snate@binkert.orgSystem::breakpoint() 1807048Snate@binkert.org{ 1817048Snate@binkert.org return remoteGDB[0]->trap(ALPHA_KENTRY_INT); 1827048Snate@binkert.org} 1837048Snate@binkert.org 1847048Snate@binkert.orgint 1857048Snate@binkert.orgSystem::registerExecContext(ExecContext *xc) 1867048Snate@binkert.org{ 1877048Snate@binkert.org int xcIndex = execContexts.size(); 1889171Snilay@cs.wisc.edu execContexts.push_back(xc); 1897048Snate@binkert.org 1907048Snate@binkert.org if (xcIndex == 0) { 1917048Snate@binkert.org // activate with zero delay so that we start ticking right 1927048Snate@binkert.org // away on cycle 0 1937048Snate@binkert.org xc->activate(0); 1947048Snate@binkert.org } 1957048Snate@binkert.org 1967048Snate@binkert.org RemoteGDB *rgdb = new RemoteGDB(this, xc); 1977048Snate@binkert.org GDBListener *gdbl = new GDBListener(rgdb, 7000 + xcIndex); 1987048Snate@binkert.org gdbl->listen(); 1997048Snate@binkert.org /** 2007048Snate@binkert.org * Uncommenting this line waits for a remote debugger to connect 2017048Snate@binkert.org * to the simulator before continuing. 2027048Snate@binkert.org */ 2037048Snate@binkert.org //gdbl->accept(); 2047048Snate@binkert.org 2057048Snate@binkert.org if (remoteGDB.size() <= xcIndex) { 2067048Snate@binkert.org remoteGDB.resize(xcIndex+1); 2077048Snate@binkert.org } 2087048Snate@binkert.org 2096145Snate@binkert.org remoteGDB[xcIndex] = rgdb; 2106145Snate@binkert.org 2119171Snilay@cs.wisc.edu return xcIndex; 2127048Snate@binkert.org} 2137048Snate@binkert.org 2146145Snate@binkert.orgvoid 2156145Snate@binkert.orgSystem::replaceExecContext(ExecContext *xc, int xcIndex) 2167048Snate@binkert.org{ 2177048Snate@binkert.org if (xcIndex >= execContexts.size()) { 2187048Snate@binkert.org panic("replaceExecContext: bad xcIndex, %d >= %d\n", 2197048Snate@binkert.org xcIndex, execContexts.size()); 2207054Snate@binkert.org } 2217048Snate@binkert.org 2227048Snate@binkert.org execContexts[xcIndex] = xc; 2237048Snate@binkert.org remoteGDB[xcIndex]->replaceExecContext(xc); 2246145Snate@binkert.org} 2256145Snate@binkert.org 2269231Snilay@cs.wisc.eduvoid 2277048Snate@binkert.orgSystem::regStats() 2287048Snate@binkert.org{ 2297048Snate@binkert.org kernelBinning->regStats(name() + ".kern"); 2309171Snilay@cs.wisc.edu} 2317048Snate@binkert.org 2326145Snate@binkert.orgvoid 2336145Snate@binkert.orgSystem::serialize(ostream &os) 2347048Snate@binkert.org{ 2357048Snate@binkert.org kernelBinning->serialize(os); 2366145Snate@binkert.org} 2377048Snate@binkert.org 2387048Snate@binkert.org 2397048Snate@binkert.orgvoid 2407048Snate@binkert.orgSystem::unserialize(Checkpoint *cp, const string §ion) 2417048Snate@binkert.org{ 2427048Snate@binkert.org kernelBinning->unserialize(cp, section); 2437048Snate@binkert.org} 2447048Snate@binkert.org 2457048Snate@binkert.orgvoid 2467048Snate@binkert.orgSystem::printSystems() 2477048Snate@binkert.org{ 2487048Snate@binkert.org vector<System *>::iterator i = systemList.begin(); 2497048Snate@binkert.org vector<System *>::iterator end = systemList.end(); 2507048Snate@binkert.org for (; i != end; ++i) { 2517048Snate@binkert.org System *sys = *i; 2527048Snate@binkert.org cerr << "System " << sys->name() << ": " << hex << sys << endl; 2537048Snate@binkert.org } 2547048Snate@binkert.org} 2557048Snate@binkert.org 2567048Snate@binkert.orgextern "C" 2577048Snate@binkert.orgvoid 2587048Snate@binkert.orgprintSystems() 2597048Snate@binkert.org{ 2607048Snate@binkert.org System::printSystems(); 2616145Snate@binkert.org} 2626145Snate@binkert.org 2637048Snate@binkert.orgDEFINE_SIM_OBJECT_CLASS_NAME("System", System) 2647048Snate@binkert.org 2657048Snate@binkert.org