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OUTB

Section: Linux Programmer's Manual (2)
Updated: November 29, 1995
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outb, outw, outl, outsb, outsw, outsl - ¥Ý¡¼¥È½ÐÎÏ
inb, inw, inl, insb, insw, insl - ¥Ý¡¼¥ÈÆþÎÏ
outb_p, outw_p, outl_p, inb_p, inw_p, inl_p - ÂÔ¤Á·¿Æþ½ÐÎÏ

 

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¤³¤Î°ìÏ¢¤Î´Ø¿ô¤ÏÄã¥ì¥Ù¥ë¤Î¥Ý¡¼¥È(port)¤Ø¤ÎÆþ½ÐÎϤ˻ÈÍѤ¹¤ë¡£ ¤³¤ì¤é¤Î¼ç¤Ë¥«¡¼¥Í¥ë(kernel)ÆâÉô¤Ç»ÈÍѤ¹¤ë¤¿¤á¤Ë¥Ç¥¶¥¤¥ó¤µ¤ì¤¤¤ë¤¬¡¢ ¥æ¡¼¥¶¡¼¶õ´Ö¤«¤é¤Ç¤â»ÈÍѤǤ­¤ë¡£

-O ¤ä -O2 ¤Ê¤É¤ò»ØÄꤷ¤Æ¥³¥ó¥Ñ¥¤¥ë¤¹¤ë¤³¤È¡£ ¤³¤ì¤é¤Î´Ø¿ô¤Ï¥¤¥ó¥é¥¤¥ó¡¦¥Þ¥¯¥í¤È¤·¤ÆÄêµÁ¤µ¤ì¤Æ¤ª¤ê¡¢ ºÇŬ²½(optimization)¤ò¤·¤Ê¤¤¤ÈÃÖ¤­´¹¤¨¤ë¤³¤È¤¬¤Ç¤­¤º¡¢ ¥ê¥ó¥¯¤Î»þ¤Ë¡Ö²ò·è¤Ç¤­¤Ê¤¤»²¾È(unresolved reference)¡×¤¬È¯À¸¤¹¤ë¡£

¥«¡¼¥Í¥ë¤Ë¥æ¡¼¥¶¡¼¶õ´Ö¤Î¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤¬ I/O ¥Ý¡¼¥È¤Ë ¥¢¥¯¥»¥¹¤¹¤ë¤³¤È¤ò¶µ¤¨¤ë¤¿¤á¤Ë ioperm(2) ¤«Æ±ÍͤΠiopl(2) ¤ò»ÈÍѤ¹¤ë¤³¤È¡£¤³¤ì¤ò˺¤ì¤ë¤È¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï¥»¥°¥á¥ó¥Æ¡¼¥·¥ç¥ó°ãÈ¿ (segmentation fault)¤ò¼õ¤±¤È¤ë¤³¤È¤Ë¤Ê¤ë¡£

 

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outb ¤È¤½¤ÎÃç´Ö¤Ï¥Ï¡¼¥É¥¦¥§¥¢ÆÃÍ­¤Ç¤¢¤ë¡£ port ¤È value °ú¤­¿ô¤Î½çÈÖ¤Ï DOS ¤Î¼ÂÁõ¤È°Û¤Ã¤Æ¤¤¤ë¡£  

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ioperm(2), iopl(2)


 

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