1 # Copyright (c) 2005-2007 The Regents of The University of Michigan
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are
6 # met: redistributions of source code must retain the above copyright
7 # notice, this list of conditions and the following disclaimer;
8 # redistributions in binary form must reproduce the above copyright
9 # notice, this list of conditions and the following disclaimer in the
10 # documentation and/or other materials provided with the distribution;
11 # neither the name of the copyright holders nor the names of its
12 # contributors may be used to endorse or promote products derived from
13 # this software without specific prior written permission.
15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 # Authors: Nathan Binkert
29 from MemObject
import MemObject
30 from m5
.params
import *
31 from m5
.proxy
import *
33 class MemTest(MemObject
):
35 cxx_header
= "cpu/testers/memtest/memtest.hh"
36 max_loads
= Param
.Counter(0, "number of loads to execute")
37 atomic
= Param
.Bool(False, "Execute tester in atomic mode? (or timing)\n")
38 memory_size
= Param
.Int(65536, "memory size")
39 percent_dest_unaligned
= Param
.Percent(50,
40 "percent of copy dest address that are unaligned")
41 percent_reads
= Param
.Percent(65, "target read percentage")
42 issue_dmas
= Param
.Bool(False, "this memtester should issue dma requests")
43 percent_source_unaligned
= Param
.Percent(50,
44 "percent of copy source address that are unaligned")
45 percent_functional
= Param
.Percent(50, "percent of access that are functional")
46 percent_uncacheable
= Param
.Percent(10,
47 "target uncacheable percentage")
48 progress_interval
= Param
.Counter(1000000,
49 "progress report interval (in accesses)")
50 trace_addr
= Param
.Addr(0, "address to trace")
52 test
= MasterPort("Port to the memory system to test")
53 functional
= MasterPort("Port to the functional memory " \
54 "used for verification")
55 suppress_func_warnings
= Param
.Bool(False,
56 "suppress warnings when functional accesses fail.\n")
57 sys
= Param
.System(Parent
.any
, "System Parameter")