- added support for error handlers to JTAG scan commands (jtag_[plain_][ir|dr]_scan)

- catch apparently broken JTAG IR scan after ARM926EJ-S CP15 operations
- added "arm7_9 dump_etb" command


git-svn-id: svn://svn.berlios.de/openocd/trunk@142 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/command.c

@@ -357,6 +357,10 @@ int command_run_line(command_context_t *context, char *line)
 	if (!*line)
 		return ERROR_OK;
 	
+	/* ignore comments */
+	if (*line && (line[0] == '#'))
+		return ERROR_OK;
+	
 	if (context->echo)
 	{
 		command_print(context, "%s", line);