m5.c revision 3038:a20a6f060dd7 
1/*
2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
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.
15 *
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.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#include <inttypes.h>
32#include <stdio.h>
33#include <stdlib.h>
34#include <string.h>
35#include <unistd.h>
36
37#include "m5op.h"
38
39char *progname;
40
41void
42usage()
43{
44    printf("usage: m5 ivlb <interval>\n"
45           "       m5 ivle <interval>\n"
46           "       m5 initparam\n"
47           "       m5 sw99param\n"
48           "       m5 exit [delay]\n"
49           "       m5 resetstats [delay [period]]\n"
50           "       m5 dumpstats [delay [period]]\n"
51           "       m5 dumpresetstats [delay [period]]\n"
52           "       m5 checkpoint [delay [period]]\n"
53           "       m5 readfile\n"
54           "\n"
55           "All times in nanoseconds!\n");
56    exit(1);
57}
58
59#define COMPARE(X) (strcmp(X, command) == 0)
60
61int
62main(int argc, char *argv[])
63{
64    char *command;
65    uint64_t param;
66    uint64_t arg1 = 0;
67    uint64_t arg2 = 0;
68
69    progname = argv[0];
70    if (argc < 2)
71        usage();
72
73    command = argv[1];
74
75    if (COMPARE("ivlb")) {
76        if (argc != 3)
77            usage();
78
79        arg1 = strtoul(argv[2], NULL, 0);
80        m5_ivlb(arg1);
81        return 0;
82    }
83
84    if (COMPARE("ivle")) {
85        if (argc != 3)
86            usage();
87
88        arg1 = strtoul(argv[2], NULL, 0);
89        m5_ivle(arg1);
90        return 0;
91    }
92
93    if (COMPARE("initparam")) {
94        if (argc != 2)
95            usage();
96
97        printf("%ld", m5_initparam());
98        return 0;
99    }
100
101    if (COMPARE("sw99param")) {
102        if (argc != 2)
103            usage();
104
105        param = m5_initparam();
106        // run-time, rampup-time, rampdown-time, warmup-time, connections
107        printf("%d %d %d %d %d", (param >> 48) & 0xfff,
108               (param >> 36) & 0xfff, (param >> 24) & 0xfff,
109               (param >> 12) & 0xfff, (param >> 0) & 0xfff);
110
111        return 0;
112    }
113
114    if (COMPARE("exit")) {
115        switch (argc) {
116          case 3:
117            arg1 = strtoul(argv[2], NULL, 0);
118          case 2:
119            m5_exit(arg1);
120            return 0;
121
122          default:
123            usage();
124        }
125    }
126
127    if (COMPARE("resetstats")) {
128        switch (argc) {
129          case 4:
130            arg2 = strtoul(argv[3], NULL, 0);
131          case 3:
132            arg1 = strtoul(argv[2], NULL, 0);
133          case 2:
134            m5_reset_stats(arg1, arg2);
135            return 0;
136
137          default:
138            usage();
139        }
140    }
141
142    if (COMPARE("dumpstats")) {
143        switch (argc) {
144          case 4:
145            arg2 = strtoul(argv[3], NULL, 0);
146          case 3:
147            arg1 = strtoul(argv[2], NULL, 0);
148          case 2:
149            m5_dump_stats(arg1, arg2);
150            return 0;
151
152          default:
153            usage();
154        }
155    }
156
157    if (COMPARE("dumpresetstats")) {
158        switch (argc) {
159          case 4:
160            arg2 = strtoul(argv[3], NULL, 0);
161          case 3:
162            arg1 = strtoul(argv[2], NULL, 0);
163          case 2:
164            m5_dumpreset_stats(arg1, arg2);
165            return 0;
166
167          default:
168            usage();
169        }
170    }
171
172    if (COMPARE("checkpoint")) {
173        switch (argc) {
174          case 4:
175            arg2 = strtoul(argv[3], NULL, 0);
176          case 3:
177            arg1 = strtoul(argv[2], NULL, 0);
178          case 2:
179            m5_checkpoint(arg1, arg2);
180            return 0;
181
182          default:
183            usage();
184        }
185
186        return 0;
187    }
188
189    if (COMPARE("readfile")) {
190            char buf[256*1024];
191            int offset = 0;
192            int len;
193
194            if (argc != 2)
195                    usage();
196
197            while ((len = m5_readfile(buf, sizeof(buf), offset)) > 0) {
198                    write(STDOUT_FILENO, buf, len);
199                    offset += len;
200            }
201
202            return 0;
203    }
204
205    usage();
206}
207