2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Steve Reinhardt
39 #include "base/loader/symtab.hh"
40 #include "base/misc.hh"
41 #include "base/statistics.hh"
42 #include "config/full_system.hh"
43 #include "cpu/pc_event.hh"
44 #include "mem/port.hh"
45 #include "sim/sim_object.hh"
47 #include "kern/system_events.hh"
48 #include "mem/vport.hh"
62 class System : public SimObject
71 static const char *MemoryModeStrings[3];
74 MemoryMode getMemoryMode() { assert(memoryMode); return memoryMode; }
76 /** Change the memory mode of the system. This should only be called by the
78 * @param mode Mode to change to (atomic/timing)
80 void setMemoryMode(MemoryMode mode);
82 PhysicalMemory *physmem;
83 PCEventQueue pcEventQueue;
85 std::vector<ThreadContext *> threadContexts;
90 if (numcpus != threadContexts.size())
91 panic("cpu array not fully populated!");
100 /** Port to physical memory used for writing object files into ram at
102 FunctionalPort functionalPort;
103 VirtualPort virtPort;
105 /** kernel symbol table */
106 SymbolTable *kernelSymtab;
108 /** Object pointer for the kernel code */
111 /** Begining of kernel code */
114 /** End of kernel code */
117 /** Entry point in the kernel to start at */
125 #endif // FULL_SYSTEM
129 MemoryMode memoryMode;
133 * Fix up an address used to match PCs for hooking simulator
134 * events on to target function executions. See comment in
135 * system.cc for details.
137 virtual Addr fixFuncEventAddr(Addr addr) = 0;
140 * Add a function-based event to the given function, to be looked
141 * up in the specified symbol table.
144 T *addFuncEvent(SymbolTable *symtab, const char *lbl)
146 Addr addr = 0; // initialize only to avoid compiler warning
148 if (symtab->findAddress(lbl, addr)) {
149 T *ev = new T(&pcEventQueue, lbl, fixFuncEventAddr(addr));
156 /** Add a function-based event to kernel code. */
158 T *addKernelFuncEvent(const char *lbl)
160 return addFuncEvent<T>(kernelSymtab, lbl);
166 std::vector<RemoteGDB *> remoteGDB;
167 std::vector<GDBListener *> gdbListen;
168 virtual bool breakpoint() = 0;
169 #endif // FULL_SYSTEM
175 PhysicalMemory *physmem;
179 Tick boot_cpu_frequency;
180 std::string boot_osflags;
183 std::string kernel_path;
184 std::string readfile;
197 const Params *params() const { return (const Params *)_params; }
203 * Returns the addess the kernel starts at.
204 * @return address the kernel starts at
206 Addr getKernelStart() const { return kernelStart; }
209 * Returns the addess the kernel ends at.
210 * @return address the kernel ends at
212 Addr getKernelEnd() const { return kernelEnd; }
215 * Returns the addess the entry point to the kernel code.
216 * @return entry point of the kernel code
218 Addr getKernelEntry() const { return kernelEntry; }
224 #endif // FULL_SYSTEM
226 int registerThreadContext(ThreadContext *tc, int tcIndex);
227 void replaceThreadContext(ThreadContext *tc, int tcIndex);
229 void serialize(std::ostream &os);
230 void unserialize(Checkpoint *cp, const std::string §ion);
233 ////////////////////////////////////////////
235 // STATIC GLOBAL SYSTEM LIST
237 ////////////////////////////////////////////
239 static std::vector<System *> systemList;
240 static int numSystemsRunning;
242 static void printSystems();
247 #endif // __SYSTEM_HH__