Annotation of prex-old/usr/test/kmon/cmd.c, Revision 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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