MemTest.py revision 8832:247fee427324
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 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. 14# 15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 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 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 28 29from MemObject import MemObject 30from m5.params import * 31from m5.proxy import * 32 33class MemTest(MemObject): 34 type = 'MemTest' 35 max_loads = Param.Counter(0, "number of loads to execute") 36 atomic = Param.Bool(False, "Execute tester in atomic mode? (or timing)\n") 37 memory_size = Param.Int(65536, "memory size") 38 percent_dest_unaligned = Param.Percent(50, 39 "percent of copy dest address that are unaligned") 40 percent_reads = Param.Percent(65, "target read percentage") 41 issue_dmas = Param.Bool(False, "this memtester should issue dma requests") 42 percent_source_unaligned = Param.Percent(50, 43 "percent of copy source address that are unaligned") 44 percent_functional = Param.Percent(50, "percent of access that are functional") 45 percent_uncacheable = Param.Percent(10, 46 "target uncacheable percentage") 47 progress_interval = Param.Counter(1000000, 48 "progress report interval (in accesses)") 49 trace_addr = Param.Addr(0, "address to trace") 50 51 test = Port("Port to the memory system to test") 52 functional = Port("Port to the functional memory used for verification") 53 suppress_func_warnings = Param.Bool(False, 54 "suppress warnings when functional accesses fail.\n") 55 sys = Param.System(Parent.any, "System Parameter") 56 57