diff options
Diffstat (limited to 'src/sim/system.cc')
-rw-r--r-- | src/sim/system.cc | 176 |
1 files changed, 76 insertions, 100 deletions
diff --git a/src/sim/system.cc b/src/sim/system.cc index c58830c10..3051cb64b 100644 --- a/src/sim/system.cc +++ b/src/sim/system.cc @@ -36,27 +36,23 @@ #include "arch/isa_traits.hh" #include "arch/remote_gdb.hh" #include "arch/utility.hh" +#include "arch/vtophys.hh" #include "base/loader/object_file.hh" #include "base/loader/symtab.hh" #include "base/trace.hh" -#include "config/full_system.hh" #include "config/the_isa.hh" #include "cpu/thread_context.hh" #include "debug/Loader.hh" +#include "kern/kernel_stats.hh" #include "mem/mem_object.hh" #include "mem/physical.hh" +#include "mem/vport.hh" +#include "params/System.hh" #include "sim/byteswap.hh" #include "sim/debug.hh" +#include "sim/full_system.hh" #include "sim/system.hh" -#if FULL_SYSTEM -#include "arch/vtophys.hh" -#include "kern/kernel_stats.hh" -#include "mem/vport.hh" -#else -#include "params/System.hh" -#endif - using namespace std; using namespace TheISA; @@ -65,14 +61,10 @@ vector<System *> System::systemList; int System::numSystemsRunning = 0; System::System(Params *p) - : SimObject(p), physmem(p->physmem), _numContexts(0), -#if FULL_SYSTEM + : SimObject(p), physmem(p->physmem), _numContexts(0), pagePtr(0), init_param(p->init_param), loadAddrMask(p->load_addr_mask), -#else - pagePtr(0), nextPID(0), -#endif memoryMode(p->mem_mode), workItemsBegin(0), workItemsEnd(0), @@ -93,68 +85,68 @@ System::System(Params *p) p->memories[x]->size())); } -#if FULL_SYSTEM - kernelSymtab = new SymbolTable; - if (!debugSymbolTable) - debugSymbolTable = new SymbolTable; - - - /** - * Get a functional port to memory - */ - Port *mem_port; - functionalPort = new FunctionalPort(name() + "-fport"); - mem_port = physmem->getPort("functional"); - functionalPort->setPeer(mem_port); - mem_port->setPeer(functionalPort); - - virtPort = new VirtualPort(name() + "-fport"); - mem_port = physmem->getPort("functional"); - virtPort->setPeer(mem_port); - mem_port->setPeer(virtPort); - - - /** - * Load the kernel code into memory - */ - if (params()->kernel == "") { - inform("No kernel set for full system simulation. Assuming you know what" - " you're doing...\n"); - } else { - // Load kernel code - kernel = createObjectFile(params()->kernel); - inform("kernel located at: %s", params()->kernel); - - if (kernel == NULL) - fatal("Could not load kernel file %s", params()->kernel); - - // Load program sections into memory - kernel->loadSections(functionalPort, loadAddrMask); - - // setup entry points - kernelStart = kernel->textBase(); - kernelEnd = kernel->bssBase() + kernel->bssSize(); - kernelEntry = kernel->entryPoint(); - - // load symbols - if (!kernel->loadGlobalSymbols(kernelSymtab)) - fatal("could not load kernel symbols\n"); - - if (!kernel->loadLocalSymbols(kernelSymtab)) - fatal("could not load kernel local symbols\n"); - - if (!kernel->loadGlobalSymbols(debugSymbolTable)) - fatal("could not load kernel symbols\n"); - - if (!kernel->loadLocalSymbols(debugSymbolTable)) - fatal("could not load kernel local symbols\n"); - - DPRINTF(Loader, "Kernel start = %#x\n", kernelStart); - DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd); - DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry); - DPRINTF(Loader, "Kernel loaded...\n"); + if (FullSystem) { + kernelSymtab = new SymbolTable; + if (!debugSymbolTable) + debugSymbolTable = new SymbolTable; + + + /** + * Get a functional port to memory + */ + Port *mem_port; + functionalPort = new FunctionalPort(name() + "-fport"); + mem_port = physmem->getPort("functional"); + functionalPort->setPeer(mem_port); + mem_port->setPeer(functionalPort); + + virtPort = new VirtualPort(name() + "-fport"); + mem_port = physmem->getPort("functional"); + virtPort->setPeer(mem_port); + mem_port->setPeer(virtPort); + + + /** + * Load the kernel code into memory + */ + if (params()->kernel == "") { + inform("No kernel set for full system simulation. " + "Assuming you know what you're doing...\n"); + } else { + // Load kernel code + kernel = createObjectFile(params()->kernel); + inform("kernel located at: %s", params()->kernel); + + if (kernel == NULL) + fatal("Could not load kernel file %s", params()->kernel); + + // Load program sections into memory + kernel->loadSections(functionalPort, loadAddrMask); + + // setup entry points + kernelStart = kernel->textBase(); + kernelEnd = kernel->bssBase() + kernel->bssSize(); + kernelEntry = kernel->entryPoint(); + + // load symbols + if (!kernel->loadGlobalSymbols(kernelSymtab)) + fatal("could not load kernel symbols\n"); + + if (!kernel->loadLocalSymbols(kernelSymtab)) + fatal("could not load kernel local symbols\n"); + + if (!kernel->loadGlobalSymbols(debugSymbolTable)) + fatal("could not load kernel symbols\n"); + + if (!kernel->loadLocalSymbols(debugSymbolTable)) + fatal("could not load kernel local symbols\n"); + + DPRINTF(Loader, "Kernel start = %#x\n", kernelStart); + DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd); + DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry); + DPRINTF(Loader, "Kernel loaded...\n"); + } } -#endif // FULL_SYSTEM // increment the number of running systms numSystemsRunning++; @@ -164,13 +156,8 @@ System::System(Params *p) System::~System() { -#if FULL_SYSTEM delete kernelSymtab; delete kernel; -#else - panic("System::fixFuncEventAddr needs to be rewritten " - "to work with syscall emulation"); -#endif // FULL_SYSTEM} } void @@ -253,11 +240,11 @@ System::numRunningContexts() void System::initState() { -#if FULL_SYSTEM - int i; - for (i = 0; i < threadContexts.size(); i++) - TheISA::startupCPU(threadContexts[i], i); -#endif + if (FullSystem) { + int i; + for (i = 0; i < threadContexts.size(); i++) + TheISA::startupCPU(threadContexts[i], i); + } } void @@ -273,7 +260,6 @@ System::replaceThreadContext(ThreadContext *tc, int context_id) remoteGDB[context_id]->replaceThreadContext(tc); } -#if !FULL_SYSTEM Addr System::allocPhysPages(int npages) { @@ -296,8 +282,6 @@ System::freeMemSize() return physmem->size() - (pagePtr << LogVMPageSize); } -#endif - bool System::isMemory(const Addr addr) const { @@ -319,24 +303,20 @@ System::resume() void System::serialize(ostream &os) { -#if FULL_SYSTEM - kernelSymtab->serialize("kernel_symtab", os); -#else // !FULL_SYSTEM + if (FullSystem) + kernelSymtab->serialize("kernel_symtab", os); SERIALIZE_SCALAR(pagePtr); SERIALIZE_SCALAR(nextPID); -#endif } void System::unserialize(Checkpoint *cp, const string §ion) { -#if FULL_SYSTEM - kernelSymtab->unserialize("kernel_symtab", cp, section); -#else // !FULL_SYSTEM + if (FullSystem) + kernelSymtab->unserialize("kernel_symtab", cp, section); UNSERIALIZE_SCALAR(pagePtr); UNSERIALIZE_SCALAR(nextPID); -#endif } void @@ -359,12 +339,8 @@ printSystems() const char *System::MemoryModeStrings[3] = {"invalid", "atomic", "timing"}; -#if !FULL_SYSTEM - System * SystemParams::create() { return new System(this); } - -#endif |