1 # Copyright (c) 2009 Advanced Micro Devices, Inc.
2 # Copyright (c) 2016 Georgia Institute of Technology
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.
29 from m5
.objects
import *
30 from m5
.defines
import buildEnv
31 from m5
.util
import addToPath
32 from Ruby
import create_topology
, create_directories
35 # Declare caches used by the protocol
37 class L1Cache(RubyCache
): pass
39 def define_options(parser
):
42 def create_system(options
, full_system
, system
, dma_ports
, bootmem
,
44 if buildEnv
['PROTOCOL'] != 'Garnet_standalone':
45 panic("This script requires Garnet_standalone protocol to be built.")
50 # The Garnet_standalone protocol does not support fs nor dma
52 assert(dma_ports
== [])
55 # The ruby network creation expects the list of nodes in the system to be
56 # consistent with the NetDest list.
57 # Therefore the l1 controller nodes must be listed before
58 # 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
66 for i
in range(options
.num_cpus
):
68 # First create the Ruby objects associated with this cpu
69 # Only one cache exists for this protocol, so by default use the L1D
72 cache
= L1Cache(size
= options
.l1d_size
,
73 assoc
= options
.l1d_assoc
)
76 # Only one unified L1 cache exists. Can cache instructions and data.
78 l1_cntrl
= L1Cache_Controller(version
= i
,
80 ruby_system
= ruby_system
)
82 cpu_seq
= RubySequencer(icache
= cache
,
84 garnet_standalone
= True,
85 ruby_system
= ruby_system
)
87 l1_cntrl
.sequencer
= cpu_seq
88 exec("ruby_system.l1_cntrl%d = l1_cntrl" % i
)
90 # Add controllers and sequencers to the appropriate lists
91 cpu_sequencers
.append(cpu_seq
)
92 l1_cntrl_nodes
.append(l1_cntrl
)
94 # Connect the L1 controllers and the network
95 l1_cntrl
.mandatoryQueue
= MessageBuffer()
96 l1_cntrl
.requestFromCache
= MessageBuffer()
97 l1_cntrl
.responseFromCache
= MessageBuffer()
98 l1_cntrl
.forwardFromCache
= MessageBuffer()
100 mem_dir_cntrl_nodes
, rom_dir_cntrl_node
= create_directories(
101 options
, bootmem
, ruby_system
, system
)
102 dir_cntrl_nodes
= mem_dir_cntrl_nodes
[:]
103 if rom_dir_cntrl_node
is not None:
104 dir_cntrl_nodes
.append(rom_dir_cntrl_node
)
105 for dir_cntrl
in dir_cntrl_nodes
:
106 # Connect the directory controllers and the network
107 dir_cntrl
.requestToDir
= MessageBuffer()
108 dir_cntrl
.forwardToDir
= MessageBuffer()
109 dir_cntrl
.responseToDir
= MessageBuffer()
112 all_cntrls
= l1_cntrl_nodes
+ dir_cntrl_nodes
113 ruby_system
.network
.number_of_virtual_networks
= 3
114 topology
= create_topology(all_cntrls
, options
)
115 return (cpu_sequencers
, mem_dir_cntrl_nodes
, topology
)