1# Copyright (c) 2015 Advanced Micro Devices, Inc.
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: David Hashe
28
29from __future__ import print_function
30
31import m5
32from m5.objects import *
33from m5.util.convert import *
34
35import operator, os, platform, getpass
36from os import mkdir, makedirs, getpid, listdir, stat, access
37from pwd import getpwuid
38from os.path import join as joinpath
39from os.path import isdir
40from shutil import rmtree, copyfile
41
42def hex_mask(terms):
43 dec_mask = reduce(operator.or_, [2**i for i in terms], 0)
44 return "%08x" % dec_mask
45
46def file_append(path, contents):
47 with open(joinpath(*path), 'a') as f:
48 f.write(str(contents))
49
50def replace_tree(path):
51 if isdir(path):
52 rmtree(path)
53 mkdir(path)
54
55def config_filesystem(options):
56 fsdir = joinpath(m5.options.outdir, 'fs')
57 replace_tree(fsdir)
58
59 # Set up /proc
60 procdir = joinpath(fsdir, 'proc')
61 mkdir(procdir)
62
| 1# Copyright (c) 2015 Advanced Micro Devices, Inc.
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: David Hashe
28
29from __future__ import print_function
30
31import m5
32from m5.objects import *
33from m5.util.convert import *
34
35import operator, os, platform, getpass
36from os import mkdir, makedirs, getpid, listdir, stat, access
37from pwd import getpwuid
38from os.path import join as joinpath
39from os.path import isdir
40from shutil import rmtree, copyfile
41
42def hex_mask(terms):
43 dec_mask = reduce(operator.or_, [2**i for i in terms], 0)
44 return "%08x" % dec_mask
45
46def file_append(path, contents):
47 with open(joinpath(*path), 'a') as f:
48 f.write(str(contents))
49
50def replace_tree(path):
51 if isdir(path):
52 rmtree(path)
53 mkdir(path)
54
55def config_filesystem(options):
56 fsdir = joinpath(m5.options.outdir, 'fs')
57 replace_tree(fsdir)
58
59 # Set up /proc
60 procdir = joinpath(fsdir, 'proc')
61 mkdir(procdir)
62
|
88 '\n'
89 file_append((procdir, 'cpuinfo'), one_cpu)
90
91 file_append((procdir, 'stat'), 'cpu 0 0 0 0 0 0 0\n')
92 for i in xrange(options.num_cpus):
93 file_append((procdir, 'stat'), 'cpu%d 0 0 0 0 0 0 0\n' % i)
94
95 # Set up /sys
96 sysdir = joinpath(fsdir, 'sys')
97 mkdir(sysdir)
98
99 # Set up /sys/devices/system/cpu
100 cpudir = joinpath(sysdir, 'devices', 'system', 'cpu')
101 makedirs(cpudir)
102
103 file_append((cpudir, 'online'), '0-%d' % (options.num_cpus-1))
104 file_append((cpudir, 'possible'), '0-%d' % (options.num_cpus-1))
105
106 # Set up /tmp
107 tmpdir = joinpath(fsdir, 'tmp')
108 replace_tree(tmpdir)
109
110def register_node(cpu_list, mem, node_number):
111 nodebasedir = joinpath(m5.options.outdir, 'fs', 'sys', 'devices',
112 'system', 'node')
113
114 nodedir = joinpath(nodebasedir,'node%d' % node_number)
115 makedirs(nodedir)
116
117 file_append((nodedir, 'cpumap'), hex_mask(cpu_list))
118 file_append((nodedir, 'meminfo'),
119 'Node %d MemTotal: %dkB' % (node_number,
120 toMemorySize(str(mem))/kibi))
121
122def register_cpu(physical_package_id, core_siblings,
123 core_id, thread_siblings):
124 cpudir = joinpath(m5.options.outdir, 'fs', 'sys', 'devices', 'system',
125 'cpu', 'cpu%d' % core_id)
126
127 if not isdir(joinpath(cpudir, 'topology')):
128 makedirs(joinpath(cpudir, 'topology'))
129 if not isdir(joinpath(cpudir, 'cache')):
130 makedirs(joinpath(cpudir, 'cache'))
131
132 file_append((cpudir, 'online'), '1')
133 file_append((cpudir, 'topology', 'physical_package_id'),
134 physical_package_id)
135 file_append((cpudir, 'topology', 'core_siblings'),
136 hex_mask(core_siblings))
137 file_append((cpudir, 'topology', 'core_id'), core_id)
138 file_append((cpudir, 'topology', 'thread_siblings'),
139 hex_mask(thread_siblings))
140
141def register_cache(level, idu_type, size, line_size, assoc, cpus):
142 fsdir = joinpath(m5.options.outdir, 'fs')
143 for i in cpus:
144 cachedir = joinpath(fsdir, 'sys', 'devices', 'system', 'cpu',
145 'cpu%d' % i, 'cache')
146
147 j = 0
148 while isdir(joinpath(cachedir, 'index%d' % j)):
149 j += 1
150 indexdir = joinpath(cachedir, 'index%d' % j)
151 makedirs(indexdir)
152
153 file_append((indexdir, 'level'), level)
154 file_append((indexdir, 'type'), idu_type)
155 file_append((indexdir, 'size'), "%dK" % (toMemorySize(size)/kibi))
156 file_append((indexdir, 'coherency_line_size'), line_size)
157
158 # Since cache size = number of indices * associativity * block size
159 num_sets = toMemorySize(size) / int(assoc) * int(line_size)
160
161 file_append((indexdir, 'number_of_sets'), num_sets)
162 file_append((indexdir, 'physical_line_partition'), '1')
163 file_append((indexdir, 'shared_cpu_map'), hex_mask(cpus))
164
165def redirect_paths(chroot):
166 # Redirect filesystem syscalls from src to the first matching dests
167 redirect_paths = [RedirectPath(app_path = "/proc",
168 host_paths = ["%s/fs/proc" % m5.options.outdir]),
169 RedirectPath(app_path = "/sys",
170 host_paths = ["%s/fs/sys" % m5.options.outdir]),
171 RedirectPath(app_path = "/tmp",
172 host_paths = ["%s/fs/tmp" % m5.options.outdir]),
173 RedirectPath(app_path = "/",
174 host_paths = ["%s" % chroot])]
175 return redirect_paths
| 102 '\n'
103 file_append((procdir, 'cpuinfo'), one_cpu)
104
105 file_append((procdir, 'stat'), 'cpu 0 0 0 0 0 0 0\n')
106 for i in xrange(options.num_cpus):
107 file_append((procdir, 'stat'), 'cpu%d 0 0 0 0 0 0 0\n' % i)
108
109 # Set up /sys
110 sysdir = joinpath(fsdir, 'sys')
111 mkdir(sysdir)
112
113 # Set up /sys/devices/system/cpu
114 cpudir = joinpath(sysdir, 'devices', 'system', 'cpu')
115 makedirs(cpudir)
116
117 file_append((cpudir, 'online'), '0-%d' % (options.num_cpus-1))
118 file_append((cpudir, 'possible'), '0-%d' % (options.num_cpus-1))
119
120 # Set up /tmp
121 tmpdir = joinpath(fsdir, 'tmp')
122 replace_tree(tmpdir)
123
124def register_node(cpu_list, mem, node_number):
125 nodebasedir = joinpath(m5.options.outdir, 'fs', 'sys', 'devices',
126 'system', 'node')
127
128 nodedir = joinpath(nodebasedir,'node%d' % node_number)
129 makedirs(nodedir)
130
131 file_append((nodedir, 'cpumap'), hex_mask(cpu_list))
132 file_append((nodedir, 'meminfo'),
133 'Node %d MemTotal: %dkB' % (node_number,
134 toMemorySize(str(mem))/kibi))
135
136def register_cpu(physical_package_id, core_siblings,
137 core_id, thread_siblings):
138 cpudir = joinpath(m5.options.outdir, 'fs', 'sys', 'devices', 'system',
139 'cpu', 'cpu%d' % core_id)
140
141 if not isdir(joinpath(cpudir, 'topology')):
142 makedirs(joinpath(cpudir, 'topology'))
143 if not isdir(joinpath(cpudir, 'cache')):
144 makedirs(joinpath(cpudir, 'cache'))
145
146 file_append((cpudir, 'online'), '1')
147 file_append((cpudir, 'topology', 'physical_package_id'),
148 physical_package_id)
149 file_append((cpudir, 'topology', 'core_siblings'),
150 hex_mask(core_siblings))
151 file_append((cpudir, 'topology', 'core_id'), core_id)
152 file_append((cpudir, 'topology', 'thread_siblings'),
153 hex_mask(thread_siblings))
154
155def register_cache(level, idu_type, size, line_size, assoc, cpus):
156 fsdir = joinpath(m5.options.outdir, 'fs')
157 for i in cpus:
158 cachedir = joinpath(fsdir, 'sys', 'devices', 'system', 'cpu',
159 'cpu%d' % i, 'cache')
160
161 j = 0
162 while isdir(joinpath(cachedir, 'index%d' % j)):
163 j += 1
164 indexdir = joinpath(cachedir, 'index%d' % j)
165 makedirs(indexdir)
166
167 file_append((indexdir, 'level'), level)
168 file_append((indexdir, 'type'), idu_type)
169 file_append((indexdir, 'size'), "%dK" % (toMemorySize(size)/kibi))
170 file_append((indexdir, 'coherency_line_size'), line_size)
171
172 # Since cache size = number of indices * associativity * block size
173 num_sets = toMemorySize(size) / int(assoc) * int(line_size)
174
175 file_append((indexdir, 'number_of_sets'), num_sets)
176 file_append((indexdir, 'physical_line_partition'), '1')
177 file_append((indexdir, 'shared_cpu_map'), hex_mask(cpus))
178
179def redirect_paths(chroot):
180 # Redirect filesystem syscalls from src to the first matching dests
181 redirect_paths = [RedirectPath(app_path = "/proc",
182 host_paths = ["%s/fs/proc" % m5.options.outdir]),
183 RedirectPath(app_path = "/sys",
184 host_paths = ["%s/fs/sys" % m5.options.outdir]),
185 RedirectPath(app_path = "/tmp",
186 host_paths = ["%s/fs/tmp" % m5.options.outdir]),
187 RedirectPath(app_path = "/",
188 host_paths = ["%s" % chroot])]
189 return redirect_paths
|