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LinuxÄں˼°ARMµÄÄÚ´æ¹ÜÀí

»¶Ó­»Øµ½KernelÖÐ……
¼ÌÐøËµ__vet_atagsº¯Êý£¬Õâ¸öº¯ÊýÈԾɶ¨ÒåÔÚarch\arm\kernel\head-common.sÎļþÖУº
/* Determine validity of the r2 atags pointer.  The heuristic requires
 * that the pointer be aligned, in the first 16k of physical RAM and
 * that the ATAG_CORE marker is first and present.  Future revisions
 * of this function may be more lenient with the physical address and
 * may also be able to move the ATAGS block if necessary.
 *
 * r8  = machinfo
 *
 * Returns:
 *  r2 either valid atags pointer, or zero
 *  r5, r6 corrupted
 */
__vet_atags:
tst r2, #0x3 @ aligned?
bne 1f
ldr r5, [r2, #0] @ is first tag ATAG_CORE?
subs r5, r5, #ATAG_CORE_SIZE
bne 1f
ldr r5, [r2, #4]
ldr r6, =ATAG_CORE
cmp r5, r6
bne 1f
mov pc, lr @ atag pointer is ok
1: mov r2, #0
mov pc, lr
ENDPROC(__vet_atags)
ÓÉTIµÄоƬÊÖ²áÖª£¬OMAP3430µÄSDRAMµØÖ·¿Õ¼ä×Ô0x80000000Æð£¬¼Æ1GB¿Õ¼ä ......

linux϶¯Ì¬¿âÓ뾲̬¿â

ÌåÑéÒ»ÏÂlinuxϱàдºÍʹÓö¯Ì¬¿âÓ뾲̬¿â£¬·¶Àý£ºhelloworld³ÌÐò¡£
Ê×Ïȱàд¾²Ì¬¿â£º
hellos.h
 #ifndef _HELLO_S_H
#define _HELLO_S_H
void prints(char *str);
#endif
 
hellos.c
#include "hellos.h"
#include <stdio.h>
void prints(char *str)
{
printf("print in static way:%s",str);
}
 
¿ªÊ¼±àÒë³É¾²Ì¬¿â£º
gcc -c -o hellos.o hellos.c
ar cqs libhellos.a hellos.o
main.c
#include "hellos.h"
int main(void)
{
char *text = "hello,world\n";
prints(text);
}

ʹÓþ²Ì¬¿â±àÒ룺gcc -o hello main.c -static -L. -lhellos
È»ºóÔËÐÐhello,Êä³ö£º
print in static way: Hello World!
ɾ³ý
libhellos.aºÍ
hellos.*ºó, ³ÌÐòÈÔÈ»Õý³£ÔËÐС£
±àд¶¯Ì¬¿â
£º
hellod.h
#ifndef _HELLO_D_H
#define _HELLO_D_H
void printd(char *str);
#endif

hellod.c
#include "hellod.h"
#include <stdio.h>
void printd(char *str)
{
printf("print in dynamic way:%s",str);
}

±àÒëÉú³É¶¯Ì¬¿â£ºgcc -shared -o libhellod.so ......

linuxÏÂÍêȫɾ³ýOracle

1.ÓÃoracleÓû§µÇ¼
Èç¹ûÒªÔٴΰ²×°£¬ ×îºÃÏÈ×öһЩ±¸·Ý¹¤×÷¡£
°üÀ¨Óû§µÄµÇ¼½Å±¾£¬Êý¾Ý¿â×Ô¶¯Æô¶¯¹Ø±ÕµÄ½Å±¾£¬ºÍListener×Ô¶¯Æô¶¯µÄ½Å±¾¡£
ÒªÊÇÓпÉÄÜÁ¬´´½¨Êý¾Ý¿âµÄ½Å±¾Ò²±£´æÏÂÀ´
2.ʹÓÃSQL*PLUSÍ£Ö¹Êý¾Ý¿â
[oracle@ora920 oracle]$ sqlplus /nolog
SQL> connect / as sysdba
SQL> shutdown [immediate]
SQL> exit
3.Í£Ö¹Listener
[oracle@ora920 oracle]$ lsnrctl stop
4.Í£Ö¹HTTP·þÎñ
[oracle@ora920 oracle]$ $ORACLE_HOME/Apache/Apache/bin/apachectl stop
5.ÓÃsu»òÕßÖØÐµÇ¼µ½root(ÈçÏëÖØÐ°²×°¿ÉÒÔ±£ÁôoracleÓû§£¬Ê¡µÃÊäÈë»·¾³±äÁ¿ÁË)
6.½«°²×°Ä¿Â¼É¾³ý
[root@ora920 /root]# rm -rf /opt/oracle/
7.½«/usr/binϵÄÎļþɾ³ý
[root@ora920 /root]# rm /usr/bin/dbhome
[root@ora920 /root]# rm /usr/bin/oraenv
[root@ora920 /root]# rm /usr/bin/coraenv
8.½«/etc/oratabɾ³ý
[root@ora920 /root]# rm /etc/oratab
9.½«/etc/oraInst.locɾ³ý
[root@ora920 /root]# rm /etc/oraInst.loc
10.½«oracleÓû§É¾³ý(ÈôÒªÖØÐ°²×°,¿ÉÒÔ²»É¾³ý)
[root@ora920 /root]# userdel –r oracle
11.½«Óû§×éɾ³ý(ÈôÒªÖØÐ°²×°,¿ÉÒÔ²»É¾³ý ......

LinuxǶÈëʽ¿ª·¢¾­µäÍøÕ¾


×¢£ºÒÔÏÂÄÚÈÝת×Ô£º
http://blog.chinaunix.net/u2/81965/showart_1674967.html
 
¹úÄÚÕ¾µã£º
ftp://ftp.altera.com/outgoing/release/
http://www.china-vision.net/blog/user1/6/archives/2006/200696114213.html
http://mail.google.com

shao_»ªºã¹«Ë¾µÄÖ÷Ò³£¬ÀïÃæÓкܶàµÄÏà¹Ø×ÊÁÏ£¬Óдý´ó¼ÒÈ¥·¢ÏÖ
http://www.hhcn.com/chinese/embedlinux-res.html
SkyEyeǶÈëʽӲ¼þ·ÂÕæÏîÄ¿
www.skyeye.org
http://gro.clinux.org/projects/skyeye/
¹«ÉçµÄSkyEyeÏîĿרÀ¸
http://www.linuxfans.org/nuke/modul...=viewforum&f=58
PdayË®Çåľ»ª£¬Ò»¸ö¹úÄÚ¿´Ç¶ÈëʽÐÂÎŵĺõط½£¡
http://www.pday.com.cn/
Öйúµ¥Æ¬»ú¹«¹²ÊµÑéÊÒ
http://www.bol-system.com/
ÖйúLinuxÂÛ̳µÄǶÈëʽ°æ£¬Óкܶ࿪·¢°åÔ­ÀíͼµÄ×ÊÁÏ
http://openarm.linuxforum.net/
ǶÈ뿪·¢Íø
http://www.embed.com.cn/
΢оÁ¦¿Æ¼¼
http://www.winsilicon.com
Çý¶¯¿ª·¢ÍøÖ®Ç¶Èëʽ°æ¿é£¬Í¦×ۺϵÄÒ»¸öÍøÕ¾
http://www.driverdevelop.com/index.php
¹úÍâÕ¾µã
LinuxÉè±¸ÍøÕ¾£¬ÓÉRick Lehrbaum´´½¨ºÍά»¤£¬ÊÇÒ»¸öǶÈëʽLinuxÈëÃÅÍøÕ¾£¬ÆäÖаüº¬Ç¶ÈëʽLinuxÐÐÒµµÄÿÈÕÐÂÎÅ¡¢ÍêÕûϵÁеĿ ......

linux³£ÓÃÃüÁî¼°¼¼ÇÉ


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margin:72 ......

linuxÏ¿ª·¢Óöµ½µÄÎÊÌ⼯ºÏ

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