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cacheflush
Langue: ru
Version: 1995-06-27 (openSuse - 09/10/07)
Section: 2 (Appels système)
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cacheflush - ×ÙÔÁÌËÉ×ÁÅÔ ÓÏÄÅÒÖÉÍÏÅ ËÜÛÁ ÉÎÓÔÒÕËÃÉÊ É/ÉÌÉ ÄÁÎÎÙÈïâúïò
#include <asm/cachectl.h> int cacheflush(char *addr, int nbytes, int cache);
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cacheflush ×ÙÔÁÌËÉ×ÁÅÔ (×ÉÄÉÍÏ ÉÍÅÅÔÓÑ × ×ÉÄÕ ÚÁÐÉÓØ ËÜÛÁ ÉÚ ÐÁÍÑÔÉ ÎÁ ÄÉÓË, ÈÏÔÑ ÎÁ ÄÁÎÎÏÊ ÓÔÒÁÎÉÞËÅ Ñ×ÎÏ Ï ÜÔÏÍ ÎÉÇÄÅ ÎÅ ÇÏ×ÏÒÉÔØÓÑ -- ÐÒÉÍ. ÐÅÒ.) ÓÏÄÅÒÖÉÍÏÅ ÕËÁÚÁÎÎÏÇÏ ËÜÛÁ(ÅÊ) ÄÌÑ ÐÏÌØÚÏ×ÁÔÅÌØÓËÉÈ ÁÄÒÅÓÏ× × ÄÉÁÐÁÚÏÎÅ ÏÔ addr ÄÏ (addr+nbytes-1). ðÁÒÁÍÅÔÒ cache ÍÏÖÅÔ ÐÒÉÎÉÍÁÔØ ÏÄÎÏ ÉÚ ÚÎÁÞÅÎÉÊ:- ICACHE
- ÷ÙÔÁÌËÉ×ÁÅÔ ËÜÛ ÉÎÓÔÒÕËÃÉÊ.
- DCACHE
- ÷ÙÔÁÌËÉ×ÁÅÔ ËÜÛ ÄÁÎÎÙÈ.
- BCACHE
- ôÏÖÅ ÞÔÏ É (ICACHE|DCACHE).
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cacheflush ×ÏÚ×ÒÁÝÁÅÔ 0 × ÓÌÕÞÁÅ ÕÓÐÅÈÁ É -1 ÐÒÉ ÏÛÉÂËÅ. åÓÌÉ ÐÒÏÉÚÏÛÌÁ ÏÛÉÂËÁ, ÚÎÁÞÅÎÉÅ errno ÂÕÄÅÔ ÕÓÔÁÎÏ×ÌÅÎÏ ÓÏÏÔ×ÅÔÓÔ×ÕÀÝÉÍ ÏÂÒÁÚÏÍ.ïûéâëé
- EINVAL
- ÐÁÒÁÍÅÔÒ cache ÎÅ Ñ×ÌÑÅÔÓÑ ÏÄÎÉÍ ÉÚ ICACHE, DCACHE ÉÌÉ BCACHE.
- EFAULT
- îÅËÏÔÏÒÙÅ ÉÌÉ ×ÓÅ ÁÄÒÅÓÁ ÄÉÁÐÁÚÏÎÁ ÏÔ addr ÄÏ (addr+nbytes-1) ÎÅÄÏÓÔÕÐÎÙ.
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ôÅËÕÝÁÑ ÒÅÁÌÉÚÁÃÉÑ ÉÇÎÏÒÉÒÕÅÔ ÐÁÒÁÍÅÔÒÙ addr É nbytes . ôÁËÉÍ ÏÂÒÁÚÏÍ, ËÜÛ ×ÓÅÇÄÁ ×ÙÔÁÌËÉ×ÁÅÔÓÑ ÐÏÌÎÏÓÔØÀ.úáíåþáîéå
üÔÏÔ ÓÉÓÔÅÍÎÙÊ ×ÙÚÏ× ÄÏÓÔÕÐÅÎ ÔÏÌØËÏ ÎÁ ÓÉÓÔÅÍÁÈ, ÏÓÎÏ×ÁÎÎÙÈ ÎÁ MIPS (ÎÁ MIPS ÐÌÁÔÆÏÒÍÅ). ïÎ ÎÅ ÄÏÌÖÅÎ ÉÓÐÏÌØÚÏ×ÁÔØÓÑ× ÐÒÏÇÒÁÍÍÁÈ, ËÏÔÏÒÙÅ ÚÁÄÕÍÙ×ÁÀÔÓÑ ËÁË ÐÅÒÅÎÏÓÉÍÙÅ.ðåòå÷ïä
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