Annotation of prex/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 <sys/ioctl.h>
! 36: #include <sys/types.h>
! 37:
! 38: #include <unistd.h>
! 39: #include <stdlib.h>
! 40: #include <string.h>
! 41: #include <errno.h>
! 42: #include <stdio.h>
! 43:
! 44: int cmd_help(int argc, char **argv);
! 45: int cmd_ver(int argc, char **argv);
! 46: int cmd_mem(int argc, char **argv);
! 47: int cmd_clear(int argc, char **argv);
! 48: int cmd_kill(int argc, char **argv);
! 49: #ifdef DEBUG
! 50: int cmd_thread(int argc, char **argv);
! 51: int cmd_task(int argc, char **argv);
! 52: int cmd_object(int argc, char **argv);
! 53: int cmd_timer(int argc, char **argv);
! 54: int cmd_irq(int argc, char **argv);
! 55: int cmd_device(int argc, char **argv);
! 56: int cmd_vm(int argc, char **argv);
! 57: #endif
! 58: int cmd_reboot(int argc, char **argv);
! 59: int cmd_shutdown(int argc, char **argv);
! 60:
! 61: static const char *err_msg[] = {
! 62: "Syntax error",
! 63: };
! 64:
! 65: struct cmd_entry {
! 66: char *cmd;
! 67: int (*func) (int, char **);
! 68: char *usage;
! 69: };
! 70:
! 71: static struct cmd_entry cmd_table[] = {
! 72: { "help" ,cmd_help ,"help - This help" },
! 73: { "ver" ,cmd_ver ,"ver - Kernel version information" },
! 74: { "mem" ,cmd_mem ,"mem - Show memory usage" },
! 75: { "clear" ,cmd_clear ,"clear - Clear screen" },
! 76: { "kill" ,cmd_kill ,"kill - Terminate thread" },
! 77: #ifdef DEBUG
! 78: { "thread" ,cmd_thread ,"thread - Dump threads" },
! 79: { "task" ,cmd_task ,"task - Dump tasks" },
! 80: { "vm" ,cmd_vm ,"vm - Dump virtual memory information" },
! 81: #endif
! 82: { "reboot" ,cmd_reboot ,"reboot - Reboot system" },
! 83: { "shutdown" ,cmd_shutdown ,"shutdown - Shutdown system" },
! 84: { NULL ,NULL ,NULL },
! 85: };
! 86:
! 87: int
! 88: cmd_help(int argc, char **argv)
! 89: {
! 90: int i = 0;
! 91:
! 92: while (cmd_table[i].cmd != NULL) {
! 93: puts(cmd_table[i].usage);
! 94: i++;
! 95: }
! 96: return 0;
! 97: }
! 98:
! 99: int
! 100: cmd_ver(int argc, char **argv)
! 101: {
! 102: struct info_kernel info;
! 103:
! 104: sys_info(INFO_KERNEL, &info);
! 105:
! 106: printf("Kernel version:\n");
! 107: printf("%s version %s for %s\n",
! 108: info.sysname, info.version, info.machine);
! 109: return 0;
! 110: }
! 111:
! 112: int
! 113: cmd_mem(int argc, char **argv)
! 114: {
! 115: struct info_memory info;
! 116:
! 117: sys_info(INFO_MEMORY, &info);
! 118:
! 119: printf("Memory usage:\n");
! 120: printf(" total used free\n");
! 121: printf(" %8d %8d %8d %8d\n", (u_int)info.total,
! 122: (u_int)(info.total - info.free), (u_int)info.free);
! 123: return 0;
! 124: }
! 125:
! 126: int
! 127: cmd_clear(int argc, char **argv)
! 128: {
! 129: printf("\33[2J");
! 130: return 0;
! 131: }
! 132:
! 133: int
! 134: cmd_kill(int argc, char **argv)
! 135: {
! 136: thread_t th;
! 137: char *ep;
! 138:
! 139: if (argc < 2)
! 140: return 1;
! 141: th = (thread_t)strtoul(argv[1], &ep, 16);
! 142: printf("Kill thread id:%x\n", (u_int)th);
! 143: if (thread_terminate(th)) {
! 144: printf("Thread %x does not exist\n", (u_int)th);
! 145: return 1;
! 146: }
! 147: return 0;
! 148: }
! 149:
! 150: #ifdef DEBUG
! 151: int
! 152: cmd_thread(int argc, char **argv)
! 153: {
! 154: int item = DUMP_THREAD;
! 155:
! 156: sys_debug(DCMD_DUMP, &item);
! 157: return 0;
! 158: }
! 159:
! 160: int
! 161: cmd_task(int argc, char **argv)
! 162: {
! 163: int item = DUMP_TASK;
! 164:
! 165: sys_debug(DCMD_DUMP, &item);
! 166: return 0;
! 167: }
! 168:
! 169: int
! 170: cmd_vm(int argc, char **argv)
! 171: {
! 172: int item = DUMP_VM;
! 173:
! 174: sys_debug(DCMD_DUMP, &item);
! 175: return 0;
! 176: }
! 177: #endif /* DEBUG */
! 178:
! 179: int
! 180: cmd_reboot(int argc, char **argv)
! 181: {
! 182: device_t pm_dev;
! 183: int err, state;
! 184:
! 185: if ((err = device_open("pm", 0, &pm_dev)) == 0) {
! 186: state = POWER_REBOOT;
! 187: err = device_ioctl(pm_dev, PMIOC_SET_POWER, &state);
! 188: device_close(pm_dev);
! 189: }
! 190: return err;
! 191: }
! 192:
! 193: int
! 194: cmd_shutdown(int argc, char **argv)
! 195: {
! 196: device_t pm_dev;
! 197: int err, state;
! 198:
! 199: if ((err = device_open("pm", 0, &pm_dev)) == 0) {
! 200: state = POWER_OFF;
! 201: err = device_ioctl(pm_dev, PMIOC_SET_POWER, &state);
! 202: device_close(pm_dev);
! 203: }
! 204: return err;
! 205: }
! 206:
! 207: int
! 208: dispatch_cmd(int argc, char **argv)
! 209: {
! 210: int i = 0;
! 211: int err = 0;
! 212:
! 213: while (cmd_table[i].cmd != NULL) {
! 214: if (!strcmp(argv[0], cmd_table[i].cmd)) {
! 215: err = (cmd_table[i].func)(argc, argv);
! 216: break;
! 217: }
! 218: i++;
! 219: }
! 220: if (cmd_table[i].cmd == NULL)
! 221: printf("%s: command not found\n", argv[0]);
! 222: if (err)
! 223: printf("Error %d:%s\n", err, err_msg[err - 1]);
! 224: return 0;
! 225: }
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