pc-simple-timing-ruby.py revision 10519:7a3ad4b09ce4 
1# Copyright (c) 2012 Mark D. Hill and David A. Wood
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: Nilay Vaish
28
29import m5, os, optparse, sys
30from m5.objects import *
31m5.util.addToPath('../configs/common')
32from Benchmarks import SysConfig
33import FSConfig
34
35m5.util.addToPath('../configs/ruby')
36m5.util.addToPath('../configs/topologies')
37import Ruby
38import Options
39
40# Add the ruby specific and protocol specific options
41parser = optparse.OptionParser()
42Options.addCommonOptions(parser)
43Ruby.define_options(parser)
44(options, args) = parser.parse_args()
45
46# Set the default cache size and associativity to be very small to encourage
47# races between requests and writebacks.
48options.l1d_size="32kB"
49options.l1i_size="32kB"
50options.l2_size="4MB"
51options.l1d_assoc=2
52options.l1i_assoc=2
53options.l2_assoc=2
54options.num_cpus = 2
55
56#the system
57mdesc = SysConfig(disk = 'linux-x86.img')
58system = FSConfig.makeLinuxX86System('timing', options.num_cpus,
59                                     mdesc=mdesc, Ruby=True)
60# Dummy voltage domain for all our clock domains
61system.voltage_domain = VoltageDomain(voltage = options.sys_voltage)
62
63system.kernel = FSConfig.binary('x86_64-vmlinux-2.6.22.9.smp')
64system.clk_domain = SrcClockDomain(clock = '1GHz',
65                                   voltage_domain = system.voltage_domain)
66system.cpu_clk_domain = SrcClockDomain(clock = '2GHz',
67                                       voltage_domain = system.voltage_domain)
68system.cpu = [TimingSimpleCPU(cpu_id=i, clk_domain = system.cpu_clk_domain)
69              for i in xrange(options.num_cpus)]
70
71Ruby.create_system(options, True, system, system.iobus, system._dma_ports)
72
73# Create a seperate clock domain for Ruby
74system.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock,
75                                        voltage_domain = system.voltage_domain)
76
77# Connect the ruby io port to the PIO bus,
78# assuming that there is just one such port.
79system.iobus.master = system.ruby._io_port.slave
80
81for (i, cpu) in enumerate(system.cpu):
82    # create the interrupt controller
83    cpu.createInterruptController()
84    # Tie the cpu ports to the correct ruby system ports
85    cpu.icache_port = system.ruby._cpu_ports[i].slave
86    cpu.dcache_port = system.ruby._cpu_ports[i].slave
87    cpu.itb.walker.port = system.ruby._cpu_ports[i].slave
88    cpu.dtb.walker.port = system.ruby._cpu_ports[i].slave
89
90    cpu.interrupts.pio = system.ruby._cpu_ports[i].master
91    cpu.interrupts.int_master = system.ruby._cpu_ports[i].slave
92    cpu.interrupts.int_slave = system.ruby._cpu_ports[i].master
93
94system.physmem = [SimpleMemory(range = r, null = True)
95                  for r in system.mem_ranges]
96
97root = Root(full_system = True, system = system)
98m5.ticks.setGlobalFrequency('1THz')
99