Fixed a typo; dbg_init2() called dbg_init() instead of arch_dbg_init(), causing

many kernel debugger commands to be removed accidently...
Added a message if you entered an unknown command.
Some cleanups.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@758 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/core/debug.c

@@ -113,10 +113,9 @@ debug_read_line(char *buf, int max_len)
 								history_line = cur_history_spot + 1;
 								if(history_line >= HISTORY_SIZE)
 									history_line = 0;
-							} else {
+							} else
 								break; // nothing to do here
 						}
-						}
 
 //						dprintf("2c %d h %d ch %d\n", cur_line, history_line, cur_history_spot);
 
@@ -174,9 +173,8 @@ debug_parse_line(char *buf, char **argv, int *argc, int max_args)
 	if (!isspace(parse_line[0])) {
 		argv[0] = parse_line;
 		*argc = 1;
-	} else {
+	} else
 		*argc = 0;
-	}
 
 	while (parse_line[pos] != '\0') {
 		if (isspace(parse_line[pos])) {
@@ -227,6 +225,9 @@ kernel_debugger_loop()
 			}
 			cmd = cmd->next;
 		}
+		if (cmd == NULL)
+			dprintf("unknown command, enter \"help\" to get a list of all supported commands\n");
+
 		cur_line++;
 		if (cur_line >= HISTORY_SIZE)
 			cur_line = 0;
@@ -378,14 +379,14 @@ remove_debugger_command(const char * name, int (*func)(int, char **))
 			break;
 		prev = cmd;
 		cmd = cmd->next;
-	};
+	}
 	
 	if (cmd) {
 		if (cmd == commands)
 			commands = cmd->next;
 		else
 			prev->next = cmd->next;
-	};  
+	}
 
 	release_spinlock(&dbg_spinlock);
 	restore_interrupts(flags);
@@ -393,7 +394,7 @@ remove_debugger_command(const char * name, int (*func)(int, char **))
 	if (cmd) {
 		kfree(cmd);
 		return B_NO_ERROR;
-	};
+	}
 	
 	return B_NAME_NOT_FOUND;
 }
@@ -439,9 +440,7 @@ dbg_init2(kernel_args *ka)
 	add_debugger_command("reboot", &cmd_reboot, "Reboot");
 	add_debugger_command("gdb", &cmd_gdb, "Connect to remote gdb");
 
-	dbg_init(ka);
+	return arch_dbg_init(ka);
-
-	return B_NO_ERROR;
 }