MemTest.py (9338:97b4a2be1e5b) MemTest.py (10688:22452667fd5c)
1# Copyright (c) 2015 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
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

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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
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Nathan Binkert
13# Copyright (c) 2005-2007 The Regents of The University of Michigan
14# All rights reserved.
15#
16# Redistribution and use in source and binary forms, with or without
17# modification, are permitted provided that the following conditions are
18# met: redistributions of source code must retain the above copyright
19# notice, this list of conditions and the following disclaimer;
20# redistributions in binary form must reproduce the above copyright

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32# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38#
39# Authors: Nathan Binkert
40# Andreas Hansson
28
29from MemObject import MemObject
30from m5.params import *
31from m5.proxy import *
32
33class MemTest(MemObject):
34 type = 'MemTest'
35 cxx_header = "cpu/testers/memtest/memtest.hh"
41
42from MemObject import MemObject
43from m5.params import *
44from m5.proxy import *
45
46class MemTest(MemObject):
47 type = 'MemTest'
48 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")
49
50 # Interval of packet injection, the size of the memory range
51 # touched, and an optional stop condition
52 interval = Param.Cycles(1, "Interval between request packets")
53 size = Param.Unsigned(65536, "Size of memory region to use (bytes)")
54 max_loads = Param.Counter(0, "Number of loads to execute before exiting")
55
56 # Control the mix of packets and if functional accesses are part of
57 # the mix or not
58 percent_reads = Param.Percent(65, "Percentage reads")
59 percent_functional = Param.Percent(50, "Percentage functional accesses")
60 percent_uncacheable = Param.Percent(10, "Percentage uncacheable")
61
62 # Determine how often to print progress messages and what timeout
63 # to use for checking progress of both requests and responses
48 progress_interval = Param.Counter(1000000,
64 progress_interval = Param.Counter(1000000,
49 "progress report interval (in accesses)")
50 trace_addr = Param.Addr(0, "address to trace")
65 "Progress report interval (in accesses)")
66 progress_check = Param.Cycles(5000000, "Cycles before exiting " \
67 "due to lack of progress")
51
68
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")
69 port = MasterPort("Port to the memory system")
70 system = Param.System(Parent.any, "System this tester is part of")
58
71
72 # Add the ability to supress error responses on functional
73 # accesses as Ruby needs this
74 suppress_func_warnings = Param.Bool(False, "Suppress warnings when "\
75 "functional accesses fail.")