工作和技术

crifan 17年前 (2008-04-03) 1515浏览 0评论

Kernel Korner – Using DMA May 1st, 2004 by James Bottomley in SysAdmin DMA makes I/O go faster by letting devices re...

crifan 17年前 (2008-04-02) 2470浏览 0评论

BCH code From Wikipedia, the free encyclopedia Jump to: navigation, search In coding theory the BCH codes form a class of ...

crifan 17年前 (2008-04-01) 1712浏览 0评论

用busybox制作根文件系统和bootloader的参数解释【转】 今天终于把linux下的文件系统搞定了。好高兴，困扰我几天的问题有了小小的突破，特写BLOG留念！ 1,关键的是问题是要把bootloader要传递给Linux kernel的参...

crifan 17年前 (2008-04-01) 1682浏览 0评论

Table of contents I cannot mount JFFS2 and see "Magic bitmask 0x1985 not found" messages I am going to use JFFS...

crifan 17年前 (2008-04-01) 2199浏览 0评论

Cache Write Policy and the Dirty Bit In addition to caching reads from memory, the system is capable of caching writes to mem...

crifan 17年前 (2008-04-01) 1630浏览 0评论

Table of contents Is an MTD device a block device or a char device? What are the differences between flash devices and ha...

crifan 17年前 (2008-04-01) 1359浏览 0评论

#include <stdio.h>#include <fcntl.h>#include <string.h> #define BUFF_SIZE 1024#define SECTOR_SIZE 1024*170m...

crifan 17年前 (2008-03-31) 2095浏览 0评论

JFFS2 specific information JFFS2 Out of Band usage JFFS2 uses the default autoplacement scheme. The only JFFS2 specific usa...

crifan 17年前 (2008-03-31) 2904浏览 0评论

Brief Intro of Nand Flash NAND vs. NOR Beside the different silicon cell design, the most important difference between NAND ...

crifan 17年前 (2008-03-31) 3599浏览 0评论

XIP – eXecute In Place，中文常译为，就地执行。指代码可以在当前（存储器中）执行 关于Nor Flash的XIP : NAND and NOR and XIP "NOR的特点是芯片内执行(XIP, eXecu...