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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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"
65 class System : public SimObject
69 static const char *MemoryModeStrings[3];
71 SimObject::MemoryMode getMemoryMode() { assert(memoryMode); return memoryMode; }
73 /** Change the memory mode of the system. This should only be called by the
75 * @param mode Mode to change to (atomic/timing)
77 void setMemoryMode(SimObject::MemoryMode mode);
79 PhysicalMemory *physmem;
80 PCEventQueue pcEventQueue;
82 std::vector<ThreadContext *> threadContexts;
87 if (numcpus != threadContexts.size())
88 panic("cpu array not fully populated!");
97 /** Port to physical memory used for writing object files into ram at
99 FunctionalPort functionalPort;
100 VirtualPort virtPort;
102 /** kernel symbol table */
103 SymbolTable *kernelSymtab;
105 /** Object pointer for the kernel code */
108 /** Begining of kernel code */
111 /** End of kernel code */
114 /** Entry point in the kernel to start at */
122 #endif // FULL_SYSTEM
126 SimObject::MemoryMode memoryMode;
130 * Fix up an address used to match PCs for hooking simulator
131 * events on to target function executions. See comment in
132 * system.cc for details.
134 virtual Addr fixFuncEventAddr(Addr addr) = 0;
137 * Add a function-based event to the given function, to be looked
138 * up in the specified symbol table.
141 T *addFuncEvent(SymbolTable *symtab, const char *lbl)
143 Addr addr = 0; // initialize only to avoid compiler warning
145 if (symtab->findAddress(lbl, addr)) {
146 T *ev = new T(&pcEventQueue, lbl, fixFuncEventAddr(addr));
153 /** Add a function-based event to kernel code. */
155 T *addKernelFuncEvent(const char *lbl)
157 return addFuncEvent<T>(kernelSymtab, lbl);
162 std::vector<TheISA::RemoteGDB *> remoteGDB;
163 std::vector<GDBListener *> gdbListen;
170 PhysicalMemory *physmem;
171 SimObject::MemoryMode mem_mode;
174 Tick boot_cpu_frequency;
175 std::string boot_osflags;
178 std::string kernel_path;
179 std::string readfile;
180 std::string symbolfile;
193 const Params *params() const { return (const Params *)_params; }
199 * Returns the addess the kernel starts at.
200 * @return address the kernel starts at
202 Addr getKernelStart() const { return kernelStart; }
205 * Returns the addess the kernel ends at.
206 * @return address the kernel ends at
208 Addr getKernelEnd() const { return kernelEnd; }
211 * Returns the addess the entry point to the kernel code.
212 * @return entry point of the kernel code
214 Addr getKernelEntry() const { return kernelEntry; }
220 #endif // FULL_SYSTEM
222 int registerThreadContext(ThreadContext *tc, int tcIndex);
223 void replaceThreadContext(ThreadContext *tc, int tcIndex);
225 void serialize(std::ostream &os);
226 void unserialize(Checkpoint *cp, const std::string §ion);
229 ////////////////////////////////////////////
231 // STATIC GLOBAL SYSTEM LIST
233 ////////////////////////////////////////////
235 static std::vector<System *> systemList;
236 static int numSystemsRunning;
238 static void printSystems();
243 #endif // __SYSTEM_HH__