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CACHEFLUSH
Section: Linux Programmer's Manual (2)Updated: 27 June 95
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cacheflush - Ì¿Îᥥã¥Ã¥·¥å¤ä¥Ç¡¼¥¿¥¥ã¥Ã¥·¥å¤ÎÆâÍƤò¥Õ¥é¥Ã¥·¥å¤¹¤ë½ñ¼°
#include <asm/cachectl.h> int cacheflush(char *addr, int nbytes, int cache);
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cacheflush ¤Ï¥æ¡¼¥¶¡¼¤¬»Ø¼¨¤·¤¿ addr ¤«¤é (addr+nbytes-1) ¤ÎÈϰϤΠ¥¥ã¥Ã¥·¥å(cache)¤ò¥Õ¥é¥Ã¥·¥å(flush)¤¹¤ë¡£¥¥ã¥Ã¥·¥å¤Ï°Ê²¼¤Î¤É¤ì¤«:- ICACHE
- Ì¿Îá(instruction)¥¥ã¥Ã¥·¥å¤ò¥Õ¥é¥Ã¥·¥å¤¹¤ë¡£
- DCACHE
- µ¡Ç½¤·¤Æ¤¤¤ë¥¥ã¥Ã¥·¥å¤ò¥á¥â¥ê¤Ë½ñ¤Ìᤷ¡¢Ìµ¸ú¤Ë¤¹¤ë¡£
- BCACHE
- (ICACHE|DCACHE) ¤ÈƱ¤¸¡£
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cacheflush ¤ÏÀ®¸ù¤·¤¿¾ì¹ç¤Ï 0 ¤ò¡¢¼ºÇÔ¤·¤¿¾ì¹ç¤Ï -1 ¤òÊÖ¤¹¡£¤â¤·¥¨¥é¡¼¤¬È¯¸«¤µ¤ì¤¿¤é¡¢ errno ¤Ë¥¨¥é¡¼¤¬»Ø¼¨¤µ¤ì¤ë¡£¥¨¥é¡¼
- EINVAL
- cache ¥Ñ¥é¥á¡¼¥¿¡¼¤¬ ICACHE, DCACHE, BCACHE ¤Î¤É¤ì¤Ç¤â¤Ê¤¤¡£
- EFAULT
- addr ¤«¤é (addr+nbytes-1) ¤ÎÈϰϤΥ¢¥É¥ì¥¹¤ÎÁ´¤Æ¤Þ¤¿¤Ï°ìÉô¤¬ ¥¢¥¯¥»¥¹²Äǽ¤Ç¤Ï¤Ê¤¤¡£
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¸½ºß¤Î¼ÂÁõ¤Ç¤Ï addr ¤È nbytes ¥Ñ¥é¥á¡¼¥¿¡¼¤Ï̵»ë¤µ¤ì¤ë¡£¤½¤ì¤Ç¾ï¤Ë Á´¤Æ¤Î¥¥ã¥Ã¥·¥å¤¬¥Õ¥é¥Ã¥·¥å¤µ¤ì¤ë¡£Ãí°Õ
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