8e66c7334202dce42d1ce827abb21dbfb1a31b76
1 # Copyright (c) 2006-2007 The Regents of The University of Michigan
2 # Copyright (c) 2010 Advanced Micro Devices, Inc.
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.
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.
28 # Authors: Ron Dreslinski
31 from m5
.objects
import *
32 from m5
.defines
import buildEnv
33 from m5
.util
import addToPath
34 import os
, optparse
, sys
36 if buildEnv
['FULL_SYSTEM']:
37 panic("This script requires system-emulation mode (*_SE).")
39 # Get paths we might need
40 config_path
= os
.path
.dirname(os
.path
.abspath(__file__
))
41 config_root
= os
.path
.dirname(config_path
)
42 m5_root
= os
.path
.dirname(config_root
)
43 addToPath(config_root
+'/configs/common')
44 addToPath(config_root
+'/configs/ruby')
48 parser
= optparse
.OptionParser()
51 # Add the ruby specific and protocol specific options
53 Ruby
.define_options(parser
)
55 execfile(os
.path
.join(config_root
, "configs/common", "Options.py"))
57 (options
, args
) = parser
.parse_args()
60 # Set the default cache size and associativity to be very small to encourage
61 # races between requests and writebacks.
63 options
.l1d_size
="256B"
64 options
.l1i_size
="256B"
65 options
.l2_size
="512B"
72 #MAX CORES IS 8 with the fals sharing method
75 # ruby does not support atomic, functional, or uncacheable accesses
76 cpus
= [ MemTest(atomic
=False, percent_functional
=0, \
77 percent_uncacheable
=0) \
78 for i
in xrange(nb_cores
) ]
80 # overwrite options.num_cpus with the nb_cores value
81 options
.num_cpus
= nb_cores
84 system
= System(cpu
= cpus
,
85 funcmem
= PhysicalMemory(),
86 physmem
= PhysicalMemory())
88 system
.ruby
= Ruby
.create_system(options
, system
)
90 assert(len(cpus
) == len(system
.ruby
._cpu
_ruby
_ports
))
92 for (i
, ruby_port
) in enumerate(system
.ruby
._cpu
_ruby
_ports
):
94 # Tie the cpu test and functional ports to the ruby cpu ports and
95 # physmem, respectively
97 cpus
[i
].test
= ruby_port
.port
98 cpus
[i
].functional
= system
.funcmem
.port
101 # Since the memtester is incredibly bursty, increase the deadlock
102 # threshold to 1 million cycles
104 ruby_port
.deadlock_threshold
= 1000000
106 # -----------------------
108 # -----------------------
110 root
= Root(system
= system
)
111 root
.system
.mem_mode
= 'timing'
113 # Not much point in this being higher than the L1 latency
114 m5
.ticks
.setGlobalFrequency('1ns')