1#include "arch/isa_traits.hh"
2#include "base/loader/object_file.hh"
3#include "base/loader/symtab.hh"
4#include "base/trace.hh"
| 1#include "arch/isa_traits.hh"
2#include "base/loader/object_file.hh"
3#include "base/loader/symtab.hh"
4#include "base/trace.hh"
|
5#include "cpu/exec_context.hh"
| 5#include "cpu/thread_context.hh"
|
6#include "mem/mem_object.hh"
7#include "mem/physical.hh"
8#include "sim/builder.hh"
9#include "sim/byteswap.hh"
10#include "sim/system.hh"
11#if FULL_SYSTEM
12#include "arch/vtophys.hh"
13#include "base/remote_gdb.hh"
14#include "kern/kernel_stats.hh"
15#endif
16
17using namespace std;
18using namespace TheISA;
19
20vector<System *> System::systemList;
21
22int System::numSystemsRunning = 0;
23
24System::System(Params *p)
25 : SimObject(p->name), physmem(p->physmem), numcpus(0),
26#if FULL_SYSTEM
27 init_param(p->init_param),
28 functionalPort(p->name + "-fport"),
29 virtPort(p->name + "-vport"),
30#else
31 page_ptr(0),
32#endif
33 _params(p)
34{
35 // add self to global system list
36 systemList.push_back(this);
37
38#if FULL_SYSTEM
39 kernelSymtab = new SymbolTable;
40 debugSymbolTable = new SymbolTable;
41
42
43 /**
44 * Get a functional port to memory
45 */
46 Port *mem_port;
47 mem_port = physmem->getPort("functional");
48 functionalPort.setPeer(mem_port);
49 mem_port->setPeer(&functionalPort);
50
51 mem_port = physmem->getPort("functional");
52 virtPort.setPeer(mem_port);
53 mem_port->setPeer(&virtPort);
54
55
56 /**
57 * Load the kernel code into memory
58 */
59 // Load kernel code
60 kernel = createObjectFile(params()->kernel_path);
61 if (kernel == NULL)
62 fatal("Could not load kernel file %s", params()->kernel_path);
63
64 // Load program sections into memory
65 kernel->loadSections(&functionalPort, LoadAddrMask);
66
67 // setup entry points
68 kernelStart = kernel->textBase();
69 kernelEnd = kernel->bssBase() + kernel->bssSize();
70 kernelEntry = kernel->entryPoint();
71
72 // load symbols
73 if (!kernel->loadGlobalSymbols(kernelSymtab))
74 panic("could not load kernel symbols\n");
75
76 if (!kernel->loadLocalSymbols(kernelSymtab))
77 panic("could not load kernel local symbols\n");
78
79 if (!kernel->loadGlobalSymbols(debugSymbolTable))
80 panic("could not load kernel symbols\n");
81
82 if (!kernel->loadLocalSymbols(debugSymbolTable))
83 panic("could not load kernel local symbols\n");
84
85 DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
86 DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
87 DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
88 DPRINTF(Loader, "Kernel loaded...\n");
89
90 kernelBinning = new Kernel::Binning(this);
91#endif // FULL_SYSTEM
92
93 // increment the number of running systms
94 numSystemsRunning++;
95}
96
97System::~System()
98{
99#if FULL_SYSTEM
100 delete kernelSymtab;
101 delete kernel;
102
103 delete kernelBinning;
104#else
105 panic("System::fixFuncEventAddr needs to be rewritten "
106 "to work with syscall emulation");
107#endif // FULL_SYSTEM}
108}
109
110#if FULL_SYSTEM
111
112
113int rgdb_wait = -1;
114
115#endif // FULL_SYSTEM
116
117int
| 6#include "mem/mem_object.hh"
7#include "mem/physical.hh"
8#include "sim/builder.hh"
9#include "sim/byteswap.hh"
10#include "sim/system.hh"
11#if FULL_SYSTEM
12#include "arch/vtophys.hh"
13#include "base/remote_gdb.hh"
14#include "kern/kernel_stats.hh"
15#endif
16
17using namespace std;
18using namespace TheISA;
19
20vector<System *> System::systemList;
21
22int System::numSystemsRunning = 0;
23
24System::System(Params *p)
25 : SimObject(p->name), physmem(p->physmem), numcpus(0),
26#if FULL_SYSTEM
27 init_param(p->init_param),
28 functionalPort(p->name + "-fport"),
29 virtPort(p->name + "-vport"),
30#else
31 page_ptr(0),
32#endif
33 _params(p)
34{
35 // add self to global system list
36 systemList.push_back(this);
37
38#if FULL_SYSTEM
39 kernelSymtab = new SymbolTable;
40 debugSymbolTable = new SymbolTable;
41
42
43 /**
44 * Get a functional port to memory
45 */
46 Port *mem_port;
47 mem_port = physmem->getPort("functional");
48 functionalPort.setPeer(mem_port);
49 mem_port->setPeer(&functionalPort);
50
51 mem_port = physmem->getPort("functional");
52 virtPort.setPeer(mem_port);
53 mem_port->setPeer(&virtPort);
54
55
56 /**
57 * Load the kernel code into memory
58 */
59 // Load kernel code
60 kernel = createObjectFile(params()->kernel_path);
61 if (kernel == NULL)
62 fatal("Could not load kernel file %s", params()->kernel_path);
63
64 // Load program sections into memory
65 kernel->loadSections(&functionalPort, LoadAddrMask);
66
67 // setup entry points
68 kernelStart = kernel->textBase();
69 kernelEnd = kernel->bssBase() + kernel->bssSize();
70 kernelEntry = kernel->entryPoint();
71
72 // load symbols
73 if (!kernel->loadGlobalSymbols(kernelSymtab))
74 panic("could not load kernel symbols\n");
75
76 if (!kernel->loadLocalSymbols(kernelSymtab))
77 panic("could not load kernel local symbols\n");
78
79 if (!kernel->loadGlobalSymbols(debugSymbolTable))
80 panic("could not load kernel symbols\n");
81
82 if (!kernel->loadLocalSymbols(debugSymbolTable))
83 panic("could not load kernel local symbols\n");
84
85 DPRINTF(Loader, "Kernel start = %#x\n", kernelStart);
86 DPRINTF(Loader, "Kernel end = %#x\n", kernelEnd);
87 DPRINTF(Loader, "Kernel entry = %#x\n", kernelEntry);
88 DPRINTF(Loader, "Kernel loaded...\n");
89
90 kernelBinning = new Kernel::Binning(this);
91#endif // FULL_SYSTEM
92
93 // increment the number of running systms
94 numSystemsRunning++;
95}
96
97System::~System()
98{
99#if FULL_SYSTEM
100 delete kernelSymtab;
101 delete kernel;
102
103 delete kernelBinning;
104#else
105 panic("System::fixFuncEventAddr needs to be rewritten "
106 "to work with syscall emulation");
107#endif // FULL_SYSTEM}
108}
109
110#if FULL_SYSTEM
111
112
113int rgdb_wait = -1;
114
115#endif // FULL_SYSTEM
116
117int
|
118System::registerExecContext(ExecContext *xc, int id)
| 118System::registerThreadContext(ThreadContext *tc, int id)
|
119{
120 if (id == -1) {
| 119{
120 if (id == -1) {
|
121 for (id = 0; id < execContexts.size(); id++) {
122 if (!execContexts[id])
| 121 for (id = 0; id < threadContexts.size(); id++) {
122 if (!threadContexts[id])
|
123 break;
124 }
125 }
126
| 123 break;
124 }
125 }
126
|
127 if (execContexts.size() <= id)
128 execContexts.resize(id + 1);
| 127 if (threadContexts.size() <= id)
128 threadContexts.resize(id + 1);
|
129
| 129
|
130 if (execContexts[id])
| 130 if (threadContexts[id])
|
131 panic("Cannot have two CPUs with the same id (%d)\n", id);
132
| 131 panic("Cannot have two CPUs with the same id (%d)\n", id);
132
|
133 execContexts[id] = xc;
| 133 threadContexts[id] = tc;
|
134 numcpus++;
135
136#if FULL_SYSTEM
| 134 numcpus++;
135
136#if FULL_SYSTEM
|
137 RemoteGDB *rgdb = new RemoteGDB(this, xc);
| 137 RemoteGDB *rgdb = new RemoteGDB(this, tc);
|
138 GDBListener *gdbl = new GDBListener(rgdb, 7000 + id);
139 gdbl->listen();
140 /**
141 * Uncommenting this line waits for a remote debugger to connect
142 * to the simulator before continuing.
143 */
144 if (rgdb_wait != -1 && rgdb_wait == id)
145 gdbl->accept();
146
147 if (remoteGDB.size() <= id) {
148 remoteGDB.resize(id + 1);
149 }
150
151 remoteGDB[id] = rgdb;
152#endif // FULL_SYSTEM
153
154 return id;
155}
156
157void
158System::startup()
159{
160 int i;
| 138 GDBListener *gdbl = new GDBListener(rgdb, 7000 + id);
139 gdbl->listen();
140 /**
141 * Uncommenting this line waits for a remote debugger to connect
142 * to the simulator before continuing.
143 */
144 if (rgdb_wait != -1 && rgdb_wait == id)
145 gdbl->accept();
146
147 if (remoteGDB.size() <= id) {
148 remoteGDB.resize(id + 1);
149 }
150
151 remoteGDB[id] = rgdb;
152#endif // FULL_SYSTEM
153
154 return id;
155}
156
157void
158System::startup()
159{
160 int i;
|
161 for (i = 0; i < execContexts.size(); i++)
162 execContexts[i]->activate(0);
| 161 for (i = 0; i < threadContexts.size(); i++)
162 threadContexts[i]->activate(0);
|
163}
164
165void
| 163}
164
165void
|
166System::replaceExecContext(ExecContext *xc, int id)
| 166System::replaceThreadContext(ThreadContext *tc, int id)
|
167{
| 167{
|
168 if (id >= execContexts.size()) {
169 panic("replaceExecContext: bad id, %d >= %d\n",
170 id, execContexts.size());
| 168 if (id >= threadContexts.size()) {
169 panic("replaceThreadContext: bad id, %d >= %d\n",
170 id, threadContexts.size());
|
171 }
172
| 171 }
172
|
173 execContexts[id] = xc;
| 173 threadContexts[id] = tc;
|
174#if FULL_SYSTEM
| 174#if FULL_SYSTEM
|
175 remoteGDB[id]->replaceExecContext(xc);
| 175 remoteGDB[id]->replaceThreadContext(tc);
|
176#endif // FULL_SYSTEM
177}
178
179#if !FULL_SYSTEM
180Addr
181System::new_page()
182{
183 Addr return_addr = page_ptr << LogVMPageSize;
184 ++page_ptr;
185 return return_addr;
186}
187#endif
188
189void
190System::regStats()
191{
192#if FULL_SYSTEM
193 kernelBinning->regStats(name() + ".kern");
194#endif // FULL_SYSTEM
195}
196
197void
198System::serialize(ostream &os)
199{
200#if FULL_SYSTEM
201 kernelBinning->serialize(os);
202
203 kernelSymtab->serialize("kernel_symtab", os);
204#endif // FULL_SYSTEM
205}
206
207
208void
209System::unserialize(Checkpoint *cp, const string §ion)
210{
211#if FULL_SYSTEM
212 kernelBinning->unserialize(cp, section);
213
214 kernelSymtab->unserialize("kernel_symtab", cp, section);
215#endif // FULL_SYSTEM
216}
217
218void
219System::printSystems()
220{
221 vector<System *>::iterator i = systemList.begin();
222 vector<System *>::iterator end = systemList.end();
223 for (; i != end; ++i) {
224 System *sys = *i;
225 cerr << "System " << sys->name() << ": " << hex << sys << endl;
226 }
227}
228
229extern "C"
230void
231printSystems()
232{
233 System::printSystems();
234}
235
236#if FULL_SYSTEM
237
238// In full system mode, only derived classes (e.g. AlphaLinuxSystem)
239// can be created directly.
240
241DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
242
243#else
244
245BEGIN_DECLARE_SIM_OBJECT_PARAMS(System)
246
247 SimObjectParam<PhysicalMemory *> physmem;
248
249END_DECLARE_SIM_OBJECT_PARAMS(System)
250
251BEGIN_INIT_SIM_OBJECT_PARAMS(System)
252
253 INIT_PARAM(physmem, "physical memory")
254
255END_INIT_SIM_OBJECT_PARAMS(System)
256
257CREATE_SIM_OBJECT(System)
258{
259 System::Params *p = new System::Params;
260 p->name = getInstanceName();
261 p->physmem = physmem;
262 return new System(p);
263}
264
265REGISTER_SIM_OBJECT("System", System)
266
267#endif
| 176#endif // FULL_SYSTEM
177}
178
179#if !FULL_SYSTEM
180Addr
181System::new_page()
182{
183 Addr return_addr = page_ptr << LogVMPageSize;
184 ++page_ptr;
185 return return_addr;
186}
187#endif
188
189void
190System::regStats()
191{
192#if FULL_SYSTEM
193 kernelBinning->regStats(name() + ".kern");
194#endif // FULL_SYSTEM
195}
196
197void
198System::serialize(ostream &os)
199{
200#if FULL_SYSTEM
201 kernelBinning->serialize(os);
202
203 kernelSymtab->serialize("kernel_symtab", os);
204#endif // FULL_SYSTEM
205}
206
207
208void
209System::unserialize(Checkpoint *cp, const string §ion)
210{
211#if FULL_SYSTEM
212 kernelBinning->unserialize(cp, section);
213
214 kernelSymtab->unserialize("kernel_symtab", cp, section);
215#endif // FULL_SYSTEM
216}
217
218void
219System::printSystems()
220{
221 vector<System *>::iterator i = systemList.begin();
222 vector<System *>::iterator end = systemList.end();
223 for (; i != end; ++i) {
224 System *sys = *i;
225 cerr << "System " << sys->name() << ": " << hex << sys << endl;
226 }
227}
228
229extern "C"
230void
231printSystems()
232{
233 System::printSystems();
234}
235
236#if FULL_SYSTEM
237
238// In full system mode, only derived classes (e.g. AlphaLinuxSystem)
239// can be created directly.
240
241DEFINE_SIM_OBJECT_CLASS_NAME("System", System)
242
243#else
244
245BEGIN_DECLARE_SIM_OBJECT_PARAMS(System)
246
247 SimObjectParam<PhysicalMemory *> physmem;
248
249END_DECLARE_SIM_OBJECT_PARAMS(System)
250
251BEGIN_INIT_SIM_OBJECT_PARAMS(System)
252
253 INIT_PARAM(physmem, "physical memory")
254
255END_INIT_SIM_OBJECT_PARAMS(System)
256
257CREATE_SIM_OBJECT(System)
258{
259 System::Params *p = new System::Params;
260 p->name = getInstanceName();
261 p->physmem = physmem;
262 return new System(p);
263}
264
265REGISTER_SIM_OBJECT("System", System)
266
267#endif
|