这是介绍嵌入式系统Bootloader的一篇文章，从网上下的，写的不错。vivi是嵌入式Linux的启动代码。-This is the introduction of the embedded system Bootloader of an article from the Internet and write well. Anger is embedded Linux boot code.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001409s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.086005s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001172s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001863s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001208s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003572s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001000s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003180s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015441s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001457s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 112224 [ RunTime:0.001477s ]
