1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
|
/*
* Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* $Id$
*
*/
// defines
external_type(int, primitive="yes", default="0");
external_type(bool, primitive="yes", default="false");
external_type(std::string, primitive="yes");
external_type(uint64, primitive="yes");
external_type(Time, primitive="yes", default="0");
external_type(Address);
external_type(DataBlock, desc="..."){
void clear();
void copyPartial(DataBlock, int, int);
}
// Declarations of external types that are common to all protocols
// AccessPermission
enumeration(AccessPermission, desc="...", default="AccessPermission_NotPresent") {
Busy, desc="No Read or Write";
Read_Only, desc="Read Only";
Read_Write, desc="Read/Write";
Invalid, desc="Invalid";
NotPresent, desc="NotPresent";
ReadUpgradingToWrite, desc="Read only, but trying to get Read/Write";
Stale, desc="local L1 has a modified copy, assume L2 copy is stale data";
}
// TesterStatus
enumeration(TesterStatus, desc="...") {
Idle, desc="Idle";
Action_Pending, desc="Action Pending";
Ready, desc="Ready";
Check_Pending, desc="Check Pending";
}
// InvalidateGeneratorStatus
enumeration(InvalidateGeneratorStatus, desc="...") {
Load_Waiting, desc="Load waiting to be issued";
Load_Pending, desc="Load issued";
Inv_Waiting, desc="Store (invalidate) waiting to be issued";
Inv_Pending, desc="Store (invalidate) issued";
}
// SeriesRequestGeneratorStatus
enumeration(SeriesRequestGeneratorStatus, desc="...") {
Thinking, desc="Doing work before next action";
Request_Pending, desc="Request pending";
}
// LockStatus
enumeration(LockStatus, desc="...") {
Unlocked, desc="Lock is not held";
Locked, desc="Lock is held";
}
// SequencerStatus
enumeration(SequencerStatus, desc="...") {
Idle, desc="Idle";
Pending, desc="Pending";
}
enumeration(TransitionResult, desc="...") {
Valid, desc="Valid transition";
ResourceStall, desc="Stalled due to insufficient resources";
ProtocolStall, desc="Protocol specified stall";
}
// CacheRequestType
enumeration(CacheRequestType, desc="...", default="CacheRequestType_NULL") {
LD, desc="Load";
ST, desc="Store";
ATOMIC, desc="Atomic Load/Store";
IFETCH, desc="Instruction fetch";
IO, desc="I/O";
REPLACEMENT, desc="Replacement";
COMMIT, desc="Commit version";
NULL, desc="Invalid request type";
}
enumeration(SequencerRequestType, desc="...", default="SequencerRequestType_NULL") {
LD, desc="Load";
ST, desc="Store";
NULL, desc="Invalid request type";
}
enumeration(GenericRequestType, desc="...", default="GenericRequestType_NULL") {
GETS, desc="gets request";
GET_INSTR, desc="get instr request";
GETX, desc="getx request";
UPGRADE, desc="upgrade request";
DOWNGRADE, desc="downgrade request";
INV, desc="invalidate request";
INV_S, desc="invalidate shared copy request";
PUTS, desc="puts request";
PUTO, desc="puto request";
PUTX, desc="putx request";
L2_PF, desc="L2 prefetch";
LD, desc="Load";
ST, desc="Store";
ATOMIC, desc="Atomic Load/Store";
IFETCH, desc="Instruction fetch";
IO, desc="I/O";
NACK, desc="Nack";
REPLACEMENT, desc="Replacement";
WB_ACK, desc="WriteBack ack";
EXE_ACK, desc="Execlusive ack";
COMMIT, desc="Commit version";
LD_XACT, desc="Transactional Load";
LDX_XACT, desc="Transactional Load-Intend-Modify";
ST_XACT, desc="Transactional Store";
BEGIN_XACT, desc="Begin Transaction";
COMMIT_XACT, desc="Commit Transaction";
ABORT_XACT, desc="Abort Transaction";
DMA_READ, desc="DMA READ";
DMA_WRITE, desc="DMA WRITE";
NULL, desc="null request type";
}
enumeration(GenericMachineType, desc="...", default="GenericMachineType_NULL") {
L1Cache, desc="L1 Cache Mach";
L2Cache, desc="L2 Cache Mach";
L3Cache, desc="L3 Cache Mach";
Directory, desc="Directory Mach";
Collector, desc="Collector Mach";
L1Cache_wCC, desc="L1 Cache Mach with Cache Coherence (used for miss latency profile)";
L2Cache_wCC, desc="L1 Cache Mach with Cache Coherence (used for miss latency profile)";
NULL, desc="null mach type";
}
// MessageSizeType
enumeration(MessageSizeType, default="MessageSizeType_Undefined", desc="...") {
Undefined, desc="Undefined";
Control, desc="Control Message";
Data, desc="Data Message";
Request_Control, desc="Request";
Reissue_Control, desc="Reissued request";
Response_Data, desc="data response";
ResponseL2hit_Data, desc="data response";
ResponseLocal_Data, desc="data response";
Response_Control, desc="non-data response";
Writeback_Data, desc="Writeback data";
Writeback_Control, desc="Writeback control";
Broadcast_Control, desc="Broadcast control";
Forwarded_Control, desc="Forwarded control";
Invalidate_Control, desc="Invalidate control";
Unblock_Control, desc="Unblock control";
Persistent_Control, desc="Persistent request activation messages";
Completion_Control, desc="Completion messages";
}
// AccessType
enumeration(AccessType, desc="...") {
Read, desc="Reading from cache";
Write, desc="Writing to cache";
}
// AccessModeType
enumeration(AccessModeType, default="AccessModeType_UserMode", desc="...") {
SupervisorMode, desc="Supervisor mode";
UserMode, desc="User mode";
}
enumeration(PrefetchBit, default="PrefetchBit_No", desc="...") {
No, desc="No, not a prefetch";
Yes, desc="Yes, a prefetch";
L1_HW, desc="This is a L1 hardware prefetch";
L2_HW, desc="This is a L2 hardware prefetch";
}
// CacheMsg
structure(CacheMsg, desc="...", interface="Message") {
Address LineAddress, desc="Line address for this request";
Address PhysicalAddress, desc="Physical address for this request";
CacheRequestType Type, desc="Type of request (LD, ST, etc)";
Address ProgramCounter, desc="Program counter of the instruction that caused the miss";
AccessModeType AccessMode, desc="user/supervisor access type";
int Size, desc="size in bytes of access";
PrefetchBit Prefetch, desc="Is this a prefetch request";
}
// CacheMsg
structure(SequencerMsg, desc="...", interface="Message") {
Address LineAddress, desc="Line address for this request";
Address PhysicalAddress, desc="Physical address for this request";
SequencerRequestType Type, desc="Type of request (LD, ST, etc)";
Address ProgramCounter, desc="Program counter of the instruction that caused the miss";
AccessModeType AccessMode, desc="user/supervisor access type";
DataBlock DataBlk, desc="Data";
int Len, desc="size in bytes of access";
PrefetchBit Prefetch, desc="Is this a prefetch request";
}
// MaskPredictorType
enumeration(MaskPredictorType, "MaskPredictorType_Undefined", desc="...") {
Undefined, desc="Undefined";
AlwaysUnicast, desc="AlwaysUnicast";
TokenD, desc="TokenD";
AlwaysBroadcast, desc="AlwaysBroadcast";
TokenB, desc="TokenB";
TokenNull, desc="TokenNull";
Random, desc="Random";
Pairwise, desc="Pairwise";
Owner, desc="Owner";
BroadcastIfShared, desc="Broadcast-If-Shared";
BroadcastCounter, desc="Broadcast Counter";
Group, desc="Group";
Counter, desc="Counter";
StickySpatial, desc="StickySpatial";
OwnerBroadcast, desc="Owner/Broadcast Hybrid";
OwnerGroup, desc="Owner/Group Hybrid";
OwnerBroadcastMod, desc="Owner/Broadcast Hybrid-Mod";
OwnerGroupMod, desc="Owner/Group Hybrid-Mod";
LastNMasks, desc="Last N Masks";
BandwidthAdaptive, desc="Bandwidth Adaptive";
}
// MaskPredictorIndex
enumeration(MaskPredictorIndex, "MaskPredictorIndex_Undefined", desc="...") {
Undefined, desc="Undefined";
DataBlock, desc="Data Block";
PC, desc="Program Counter";
}
// MaskPredictorTraining
enumeration(MaskPredictorTraining, "MaskPredictorTraining_Undefined", desc="...") {
Undefined, desc="Undefined";
None, desc="None";
Implicit, desc="Implicit";
Explicit, desc="Explicit";
Both, desc="Both";
}
// Network Topologies
enumeration(TopologyType, desc="...") {
CROSSBAR, desc="One node per chip, single switch crossbar";
HIERARCHICAL_SWITCH, desc="One node per chip, totally ordered hierarchical tree switched network";
TORUS_2D, desc="One node per chip, 2D torus";
PT_TO_PT, desc="One node per chip, Point to Point Network";
FILE_SPECIFIED, desc="described by the file NETWORK_FILE";
}
// DNUCA AllocationStrategy
enumeration(AllocationStrategy, desc="...") {
InMiddle, desc="";
InInvCorners, desc="";
InSharedSides, desc="";
StaticDist, desc="";
RandomBank, desc="";
FrequencyBank, desc="";
FrequencyBlock, desc="";
LRUBlock, desc="";
}
// DNUCA SearchMechanism
enumeration(SearchMechanism, desc="...") {
Perfect, desc="";
PartialTag, desc="";
BloomFilter, desc="";
Random, desc="";
None, desc="";
}
// DNUCA link type
enumeration(LinkType, desc="...") {
RC_1500UM, desc="";
RC_2500UM, desc="";
TL_9000UM, desc="";
TL_11000UM, desc="";
TL_13000UM, desc="";
NO_ENERGY, desc="";
NULL, desc="";
}
// transient request type
enumeration(TransientRequestType, desc="...", default="TransientRequestType_Undefined") {
Undefined, desc="";
OffChip, desc="";
OnChip, desc="";
LocalTransient, desc="";
}
// Request Status
enumeration(RequestStatus, desc="...", default="RequestStatus_NULL") {
Ready, desc="The sequencer is ready and the request does not alias";
Issued, desc="The sequencer successfully issued the request";
BufferFull, desc="Can not issue because the sequencer is full";
Aliased, desc="This request aliased with a currently outstanding request";
NULL, desc="";
}
|
