1 # Copyright (c) 2006-2007 The Regents of The University of Michigan
2 # Copyright (c) 2009 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.
30 from m5
.objects
import *
31 from m5
.defines
import buildEnv
32 from .Ruby
import create_topology
, create_directories
33 from .Ruby
import send_evicts
36 # Declare caches used by the protocol
38 class L1Cache(RubyCache
): pass
39 class L2Cache(RubyCache
): pass
41 def define_options(parser
):
44 def create_system(options
, full_system
, system
, dma_ports
, bootmem
,
47 if buildEnv
['PROTOCOL'] != 'MESI_Two_Level':
48 fatal("This script requires the MESI_Two_Level protocol to be built.")
53 # The ruby network creation expects the list of nodes in the system to be
54 # consistent with the NetDest list. Therefore the l1 controller nodes must be
55 # listed before the directory nodes and directory nodes before dma nodes, etc.
62 # Must create the individual controllers before the network to ensure the
63 # controller constructors are called before the network constructor
65 l2_bits
= int(math
.log(options
.num_l2caches
, 2))
66 block_size_bits
= int(math
.log(options
.cacheline_size
, 2))
68 for i
in range(options
.num_cpus
):
70 # First create the Ruby objects associated with this cpu
72 l1i_cache
= L1Cache(size
= options
.l1i_size
,
73 assoc
= options
.l1i_assoc
,
74 start_index_bit
= block_size_bits
,
76 l1d_cache
= L1Cache(size
= options
.l1d_size
,
77 assoc
= options
.l1d_assoc
,
78 start_index_bit
= block_size_bits
,
81 prefetcher
= RubyPrefetcher()
83 # the ruby random tester reuses num_cpus to specify the
84 # number of cpu ports connected to the tester object, which
85 # is stored in system.cpu. because there is only ever one
86 # tester object, num_cpus is not necessarily equal to the
87 # size of system.cpu; therefore if len(system.cpu) == 1
88 # we use system.cpu[0] to set the clk_domain, thereby ensuring
89 # we don't index off the end of the cpu list.
90 if len(system
.cpu
) == 1:
91 clk_domain
= system
.cpu
[0].clk_domain
93 clk_domain
= system
.cpu
[i
].clk_domain
95 l1_cntrl
= L1Cache_Controller(version
= i
, L1Icache
= l1i_cache
,
97 l2_select_num_bits
= l2_bits
,
98 send_evictions
= send_evicts(options
),
99 prefetcher
= prefetcher
,
100 ruby_system
= ruby_system
,
101 clk_domain
= clk_domain
,
102 transitions_per_cycle
= options
.ports
,
103 enable_prefetch
= False)
105 cpu_seq
= RubySequencer(version
= i
,
106 dcache
= l1d_cache
, clk_domain
= clk_domain
,
107 ruby_system
= ruby_system
)
110 l1_cntrl
.sequencer
= cpu_seq
111 exec("ruby_system.l1_cntrl%d = l1_cntrl" % i
)
113 # Add controllers and sequencers to the appropriate lists
114 cpu_sequencers
.append(cpu_seq
)
115 l1_cntrl_nodes
.append(l1_cntrl
)
117 # Connect the L1 controllers and the network
118 l1_cntrl
.mandatoryQueue
= MessageBuffer()
119 l1_cntrl
.requestFromL1Cache
= MessageBuffer()
120 l1_cntrl
.requestFromL1Cache
.master
= ruby_system
.network
.slave
121 l1_cntrl
.responseFromL1Cache
= MessageBuffer()
122 l1_cntrl
.responseFromL1Cache
.master
= ruby_system
.network
.slave
123 l1_cntrl
.unblockFromL1Cache
= MessageBuffer()
124 l1_cntrl
.unblockFromL1Cache
.master
= ruby_system
.network
.slave
126 l1_cntrl
.optionalQueue
= MessageBuffer()
128 l1_cntrl
.requestToL1Cache
= MessageBuffer()
129 l1_cntrl
.requestToL1Cache
.slave
= ruby_system
.network
.master
130 l1_cntrl
.responseToL1Cache
= MessageBuffer()
131 l1_cntrl
.responseToL1Cache
.slave
= ruby_system
.network
.master
134 l2_index_start
= block_size_bits
+ l2_bits
136 for i
in range(options
.num_l2caches
):
138 # First create the Ruby objects associated with this cpu
140 l2_cache
= L2Cache(size
= options
.l2_size
,
141 assoc
= options
.l2_assoc
,
142 start_index_bit
= l2_index_start
)
144 l2_cntrl
= L2Cache_Controller(version
= i
,
146 transitions_per_cycle
= options
.ports
,
147 ruby_system
= ruby_system
)
149 exec("ruby_system.l2_cntrl%d = l2_cntrl" % i
)
150 l2_cntrl_nodes
.append(l2_cntrl
)
152 # Connect the L2 controllers and the network
153 l2_cntrl
.DirRequestFromL2Cache
= MessageBuffer()
154 l2_cntrl
.DirRequestFromL2Cache
.master
= ruby_system
.network
.slave
155 l2_cntrl
.L1RequestFromL2Cache
= MessageBuffer()
156 l2_cntrl
.L1RequestFromL2Cache
.master
= ruby_system
.network
.slave
157 l2_cntrl
.responseFromL2Cache
= MessageBuffer()
158 l2_cntrl
.responseFromL2Cache
.master
= ruby_system
.network
.slave
160 l2_cntrl
.unblockToL2Cache
= MessageBuffer()
161 l2_cntrl
.unblockToL2Cache
.slave
= ruby_system
.network
.master
162 l2_cntrl
.L1RequestToL2Cache
= MessageBuffer()
163 l2_cntrl
.L1RequestToL2Cache
.slave
= ruby_system
.network
.master
164 l2_cntrl
.responseToL2Cache
= MessageBuffer()
165 l2_cntrl
.responseToL2Cache
.slave
= ruby_system
.network
.master
168 # Run each of the ruby memory controllers at a ratio of the frequency of
170 # clk_divider value is a fix to pass regression.
171 ruby_system
.memctrl_clk_domain
= DerivedClockDomain(
172 clk_domain
= ruby_system
.clk_domain
,
175 mem_dir_cntrl_nodes
, rom_dir_cntrl_node
= create_directories(
176 options
, bootmem
, ruby_system
, system
)
177 dir_cntrl_nodes
= mem_dir_cntrl_nodes
[:]
178 if rom_dir_cntrl_node
is not None:
179 dir_cntrl_nodes
.append(rom_dir_cntrl_node
)
180 for dir_cntrl
in dir_cntrl_nodes
:
181 # Connect the directory controllers and the network
182 dir_cntrl
.requestToDir
= MessageBuffer()
183 dir_cntrl
.requestToDir
.slave
= ruby_system
.network
.master
184 dir_cntrl
.responseToDir
= MessageBuffer()
185 dir_cntrl
.responseToDir
.slave
= ruby_system
.network
.master
186 dir_cntrl
.responseFromDir
= MessageBuffer()
187 dir_cntrl
.responseFromDir
.master
= ruby_system
.network
.slave
188 dir_cntrl
.requestToMemory
= MessageBuffer()
189 dir_cntrl
.responseFromMemory
= MessageBuffer()
192 for i
, dma_port
in enumerate(dma_ports
):
193 # Create the Ruby objects associated with the dma controller
194 dma_seq
= DMASequencer(version
= i
, ruby_system
= ruby_system
,
197 dma_cntrl
= DMA_Controller(version
= i
, dma_sequencer
= dma_seq
,
198 transitions_per_cycle
= options
.ports
,
199 ruby_system
= ruby_system
)
201 exec("ruby_system.dma_cntrl%d = dma_cntrl" % i
)
202 dma_cntrl_nodes
.append(dma_cntrl
)
204 # Connect the dma controller to the network
205 dma_cntrl
.mandatoryQueue
= MessageBuffer()
206 dma_cntrl
.responseFromDir
= MessageBuffer(ordered
= True)
207 dma_cntrl
.responseFromDir
.slave
= ruby_system
.network
.master
208 dma_cntrl
.requestToDir
= MessageBuffer()
209 dma_cntrl
.requestToDir
.master
= ruby_system
.network
.slave
211 all_cntrls
= l1_cntrl_nodes
+ \
216 # Create the io controller and the sequencer
218 io_seq
= DMASequencer(version
= len(dma_ports
),
219 ruby_system
= ruby_system
)
220 ruby_system
._io
_port
= io_seq
221 io_controller
= DMA_Controller(version
= len(dma_ports
),
222 dma_sequencer
= io_seq
,
223 ruby_system
= ruby_system
)
224 ruby_system
.io_controller
= io_controller
226 # Connect the dma controller to the network
227 io_controller
.mandatoryQueue
= MessageBuffer()
228 io_controller
.responseFromDir
= MessageBuffer(ordered
= True)
229 io_controller
.responseFromDir
.slave
= ruby_system
.network
.master
230 io_controller
.requestToDir
= MessageBuffer()
231 io_controller
.requestToDir
.master
= ruby_system
.network
.slave
233 all_cntrls
= all_cntrls
+ [io_controller
]
235 ruby_system
.network
.number_of_virtual_networks
= 3
236 topology
= create_topology(all_cntrls
, options
)
237 return (cpu_sequencers
, mem_dir_cntrl_nodes
, topology
)