memtest.hh (8229:78bf55f23338) memtest.hh (8436:5648986156db)
1/*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Erik Hallnor
29 * Steve Reinhardt
30 */
31
32#ifndef __CPU_MEMTEST_MEMTEST_HH__
33#define __CPU_MEMTEST_MEMTEST_HH__
34
35#include <set>
36
37#include "base/fast_alloc.hh"
38#include "base/statistics.hh"
39#include "mem/mem_object.hh"
40#include "mem/port.hh"
41#include "params/MemTest.hh"
42#include "sim/eventq.hh"
43#include "sim/sim_exit.hh"
44#include "sim/sim_object.hh"
45#include "sim/stats.hh"
46
47class Packet;
48class MemTest : public MemObject
49{
50 public:
51 typedef MemTestParams Params;
52 MemTest(const Params *p);
53
54 virtual void init();
55
56 // register statistics
57 virtual void regStats();
58
59 inline Tick ticks(int numCycles) const { return numCycles; }
60
61 // main simulation loop (one cycle)
62 void tick();
63
64 virtual Port *getPort(const std::string &if_name, int idx = -1);
65
66 /**
67 * Print state of address in memory system via PrintReq (for
68 * debugging).
69 */
70 void printAddr(Addr a);
71
72 protected:
73 class TickEvent : public Event
74 {
75 private:
76 MemTest *cpu;
77
78 public:
79 TickEvent(MemTest *c) : Event(CPU_Tick_Pri), cpu(c) {}
80 void process() { cpu->tick(); }
81 virtual const char *description() const { return "MemTest tick"; }
82 };
83
84 TickEvent tickEvent;
85
86 class CpuPort : public Port
87 {
88 MemTest *memtest;
89
90 public:
91
92 CpuPort(const std::string &_name, MemTest *_memtest)
93 : Port(_name, _memtest), memtest(_memtest)
94 { }
95
96 bool snoopRangeSent;
97
98 protected:
99
100 virtual bool recvTiming(PacketPtr pkt);
101
102 virtual Tick recvAtomic(PacketPtr pkt);
103
104 virtual void recvFunctional(PacketPtr pkt);
105
106 virtual void recvStatusChange(Status status);
107
108 virtual void recvRetry();
109
110 virtual void getDeviceAddressRanges(AddrRangeList &resp,
111 bool &snoop)
112 { resp.clear(); snoop = false; }
113 };
114
115 CpuPort cachePort;
116 CpuPort funcPort;
117
118 bool snoopRangeSent;
119
120 class MemTestSenderState : public Packet::SenderState, public FastAlloc
121 {
122 public:
123 /** Constructor. */
124 MemTestSenderState(uint8_t *_data)
125 : data(_data)
126 { }
127
128 // Hold onto data pointer
129 uint8_t *data;
130 };
131
132 PacketPtr retryPkt;
133
134 bool accessRetry;
135
136 //
137 // The dmaOustanding flag enforces only one dma at a time
138 //
139 bool dmaOutstanding;
140
141 unsigned size; // size of testing memory region
142
143 unsigned percentReads; // target percentage of read accesses
144 unsigned percentFunctional; // target percentage of functional accesses
145 unsigned percentUncacheable;
146
147 bool issueDmas;
148
149 int id;
150
151 std::set<unsigned> outstandingAddrs;
152
153 unsigned blockSize;
154
155 Addr blockAddrMask;
156
157 Addr blockAddr(Addr addr)
158 {
159 return (addr & ~blockAddrMask);
160 }
161
162 Addr traceBlockAddr;
163
164 Addr baseAddr1; // fix this to option
165 Addr baseAddr2; // fix this to option
166 Addr uncacheAddr;
167
168 unsigned progressInterval; // frequency of progress reports
169 Tick nextProgressMessage; // access # for next progress report
170
171 unsigned percentSourceUnaligned;
172 unsigned percentDestUnaligned;
173
174 Tick noResponseCycles;
175
176 uint64_t numReads;
1/*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Erik Hallnor
29 * Steve Reinhardt
30 */
31
32#ifndef __CPU_MEMTEST_MEMTEST_HH__
33#define __CPU_MEMTEST_MEMTEST_HH__
34
35#include <set>
36
37#include "base/fast_alloc.hh"
38#include "base/statistics.hh"
39#include "mem/mem_object.hh"
40#include "mem/port.hh"
41#include "params/MemTest.hh"
42#include "sim/eventq.hh"
43#include "sim/sim_exit.hh"
44#include "sim/sim_object.hh"
45#include "sim/stats.hh"
46
47class Packet;
48class MemTest : public MemObject
49{
50 public:
51 typedef MemTestParams Params;
52 MemTest(const Params *p);
53
54 virtual void init();
55
56 // register statistics
57 virtual void regStats();
58
59 inline Tick ticks(int numCycles) const { return numCycles; }
60
61 // main simulation loop (one cycle)
62 void tick();
63
64 virtual Port *getPort(const std::string &if_name, int idx = -1);
65
66 /**
67 * Print state of address in memory system via PrintReq (for
68 * debugging).
69 */
70 void printAddr(Addr a);
71
72 protected:
73 class TickEvent : public Event
74 {
75 private:
76 MemTest *cpu;
77
78 public:
79 TickEvent(MemTest *c) : Event(CPU_Tick_Pri), cpu(c) {}
80 void process() { cpu->tick(); }
81 virtual const char *description() const { return "MemTest tick"; }
82 };
83
84 TickEvent tickEvent;
85
86 class CpuPort : public Port
87 {
88 MemTest *memtest;
89
90 public:
91
92 CpuPort(const std::string &_name, MemTest *_memtest)
93 : Port(_name, _memtest), memtest(_memtest)
94 { }
95
96 bool snoopRangeSent;
97
98 protected:
99
100 virtual bool recvTiming(PacketPtr pkt);
101
102 virtual Tick recvAtomic(PacketPtr pkt);
103
104 virtual void recvFunctional(PacketPtr pkt);
105
106 virtual void recvStatusChange(Status status);
107
108 virtual void recvRetry();
109
110 virtual void getDeviceAddressRanges(AddrRangeList &resp,
111 bool &snoop)
112 { resp.clear(); snoop = false; }
113 };
114
115 CpuPort cachePort;
116 CpuPort funcPort;
117
118 bool snoopRangeSent;
119
120 class MemTestSenderState : public Packet::SenderState, public FastAlloc
121 {
122 public:
123 /** Constructor. */
124 MemTestSenderState(uint8_t *_data)
125 : data(_data)
126 { }
127
128 // Hold onto data pointer
129 uint8_t *data;
130 };
131
132 PacketPtr retryPkt;
133
134 bool accessRetry;
135
136 //
137 // The dmaOustanding flag enforces only one dma at a time
138 //
139 bool dmaOutstanding;
140
141 unsigned size; // size of testing memory region
142
143 unsigned percentReads; // target percentage of read accesses
144 unsigned percentFunctional; // target percentage of functional accesses
145 unsigned percentUncacheable;
146
147 bool issueDmas;
148
149 int id;
150
151 std::set<unsigned> outstandingAddrs;
152
153 unsigned blockSize;
154
155 Addr blockAddrMask;
156
157 Addr blockAddr(Addr addr)
158 {
159 return (addr & ~blockAddrMask);
160 }
161
162 Addr traceBlockAddr;
163
164 Addr baseAddr1; // fix this to option
165 Addr baseAddr2; // fix this to option
166 Addr uncacheAddr;
167
168 unsigned progressInterval; // frequency of progress reports
169 Tick nextProgressMessage; // access # for next progress report
170
171 unsigned percentSourceUnaligned;
172 unsigned percentDestUnaligned;
173
174 Tick noResponseCycles;
175
176 uint64_t numReads;
177 uint64_t numWrites;
177 uint64_t maxLoads;
178
179 bool atomic;
178 uint64_t maxLoads;
179
180 bool atomic;
181 bool suppress_func_warnings;
180
181 Stats::Scalar numReadsStat;
182 Stats::Scalar numWritesStat;
183 Stats::Scalar numCopiesStat;
184
185 // called by MemCompleteEvent::process()
186 void completeRequest(PacketPtr pkt);
187
188 void sendPkt(PacketPtr pkt);
189
190 void doRetry();
191
192 friend class MemCompleteEvent;
193};
194
195#endif // __CPU_MEMTEST_MEMTEST_HH__
196
197
198
182
183 Stats::Scalar numReadsStat;
184 Stats::Scalar numWritesStat;
185 Stats::Scalar numCopiesStat;
186
187 // called by MemCompleteEvent::process()
188 void completeRequest(PacketPtr pkt);
189
190 void sendPkt(PacketPtr pkt);
191
192 void doRetry();
193
194 friend class MemCompleteEvent;
195};
196
197#endif // __CPU_MEMTEST_MEMTEST_HH__
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