Annotation of prex-old/usr/test/kmon/cmd.c, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 2005-2006, Kohsuke Ohtani
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
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: /*
31: * cmd.c - command processor
32: */
33:
34: #include <prex/prex.h>
35: #include <prex/power.h>
36: #include <sys/ioctl.h>
37: #include <sys/types.h>
38:
39: #include <unistd.h>
40: #include <stdlib.h>
41: #include <string.h>
42: #include <errno.h>
43: #include <stdio.h>
44:
45: int cmd_help(int argc, char **argv);
46: int cmd_ver(int argc, char **argv);
47: int cmd_mem(int argc, char **argv);
48: int cmd_clear(int argc, char **argv);
49: int cmd_kill(int argc, char **argv);
50: #ifdef DEBUG
51: int cmd_thread(int argc, char **argv);
52: int cmd_task(int argc, char **argv);
53: int cmd_object(int argc, char **argv);
54: int cmd_timer(int argc, char **argv);
55: int cmd_irq(int argc, char **argv);
56: int cmd_device(int argc, char **argv);
57: int cmd_vm(int argc, char **argv);
58: int cmd_dmesg(int argc, char **argv);
59: #endif
60: int cmd_reboot(int argc, char **argv);
61: int cmd_shutdown(int argc, char **argv);
62:
63: static const char *err_msg[] = {
64: "Syntax error",
65: };
66:
67: struct cmd_entry {
68: char *cmd;
69: int (*func) (int, char **);
70: char *usage;
71: };
72:
73: static struct cmd_entry cmd_table[] = {
74: { "help" ,cmd_help ,"help - This help" },
75: { "ver" ,cmd_ver ,"ver - Kernel version information" },
76: { "mem" ,cmd_mem ,"mem - Show memory usage" },
77: { "clear" ,cmd_clear ,"clear - Clear screen" },
78: { "kill" ,cmd_kill ,"kill - Terminate thread" },
79: #ifdef DEBUG
80: { "thread" ,cmd_thread ,"thread - Dump threads" },
81: { "task" ,cmd_task ,"task - Dump tasks" },
82: { "object" ,cmd_object ,"object - Dump objects" },
83: { "timer" ,cmd_timer ,"timer - Dump system timers" },
84: { "irq" ,cmd_irq ,"irq - Dump irq information" },
85: { "device" ,cmd_device ,"device - Dump devices" },
86: { "vm" ,cmd_vm ,"vm - Dump virtual memory information" },
87: { "dmesg" ,cmd_dmesg ,"dmesg - Dump kernel message log" },
88: #endif
89: { "reboot" ,cmd_reboot ,"reboot - Reboot system" },
90: { "shutdown" ,cmd_shutdown ,"shutdown - Shutdown system" },
91: { NULL ,NULL ,NULL },
92: };
93:
94: int
95: cmd_help(int argc, char **argv)
96: {
97: int i = 0;
98:
99: while (cmd_table[i].cmd != NULL) {
100: puts(cmd_table[i].usage);
101: i++;
102: }
103: return 0;
104: }
105:
106: int
107: cmd_ver(int argc, char **argv)
108: {
109: struct info_kernel info;
110:
111: sys_info(INFO_KERNEL, &info);
112:
113: printf("Kernel version:\n");
114: printf("%s version %s for %s\n",
115: info.sysname, info.version, info.machine);
116: return 0;
117: }
118:
119: int
120: cmd_mem(int argc, char **argv)
121: {
122: struct info_memory info;
123:
124: sys_info(INFO_MEMORY, &info);
125:
126: printf("Memory usage:\n");
127: printf(" total used free kernel\n");
128: printf(" %8d %8d %8d %8d\n", (u_int)info.total,
129: (u_int)(info.total - info.free), (u_int)info.free, (u_int)info.kernel);
130: return 0;
131: }
132:
133: int
134: cmd_clear(int argc, char **argv)
135: {
136: printf("\33[2J");
137: return 0;
138: }
139:
140: int
141: cmd_kill(int argc, char **argv)
142: {
143: thread_t th;
144: char *ep;
145:
146: if (argc < 2)
147: return 1;
148: th = (thread_t)strtoul(argv[1], &ep, 16);
149: printf("Kill thread id:%x\n", (u_int)th);
150: if (thread_terminate(th)) {
151: printf("Thread %x does not exist\n", (u_int)th);
152: return 1;
153: }
154: return 0;
155: }
156:
157: #ifdef DEBUG
158: int
159: cmd_thread(int argc, char **argv)
160: {
161: sys_debug(DCMD_DUMP, DUMP_THREAD);
162: return 0;
163: }
164:
165: int
166: cmd_task(int argc, char **argv)
167: {
168: sys_debug(DCMD_DUMP, DUMP_TASK);
169: return 0;
170: }
171:
172: int
173: cmd_object(int argc, char **argv)
174: {
175: sys_debug(DCMD_DUMP, DUMP_OBJECT);
176: return 0;
177: }
178:
179: int
180: cmd_timer(int argc, char **argv)
181: {
182: sys_debug(DCMD_DUMP, DUMP_TIMER);
183: return 0;
184: }
185:
186: int
187: cmd_irq(int argc, char **argv)
188: {
189: sys_debug(DCMD_DUMP, DUMP_IRQ);
190: return 0;
191: }
192:
193: int
194: cmd_device(int argc, char **argv)
195: {
196: sys_debug(DCMD_DUMP, DUMP_DEVICE);
197: return 0;
198: }
199:
200: int
201: cmd_vm(int argc, char **argv)
202: {
203: sys_debug(DCMD_DUMP, DUMP_VM);
204: return 0;
205: }
206:
207: int
208: cmd_dmesg(int argc, char **argv)
209: {
210: sys_debug(DCMD_DUMP, DUMP_MSGLOG);
211: return 0;
212: }
213:
214: #endif /* DEBUG */
215:
216: int
217: cmd_reboot(int argc, char **argv)
218: {
219: reboot(0);
220: return 0;
221: }
222:
223: int
224: cmd_shutdown(int argc, char **argv)
225: {
226: return shutdown(0);
227: }
228:
229: int
230: dispatch_cmd(int argc, char **argv)
231: {
232: int i = 0;
233: int err = 0;
234:
235: while (cmd_table[i].cmd != NULL) {
236: if (!strcmp(argv[0], cmd_table[i].cmd)) {
237: err = (cmd_table[i].func)(argc, argv);
238: break;
239: }
240: i++;
241: }
242: if (cmd_table[i].cmd == NULL)
243: printf("%s: command not found\n", argv[0]);
244: if (err)
245: printf("Error %d:%s\n", err, err_msg[err - 1]);
246: return 0;
247: }
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