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/* $OpenBSD: cache.c,v 1.2 2003/10/16 04:30:09 drahn Exp $ */
#define CACHELINESIZE 32 /* For now XXX */
void
syncicache(void *from, int len)
{
int l = len;
void *p = from;
do {
asm volatile ("dcbf %1,%0" :: "r"(p), "r"(0));
p += CACHELINESIZE;
} while ((l -= CACHELINESIZE) > 0);
asm volatile ("sync");
do {
asm volatile ("icbi %1,%0" :: "r"(from), "r"(0));
from += CACHELINESIZE;
} while ((len -= CACHELINESIZE) > 0);
asm volatile ("isync");
}
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