cache.c

完整的Bell实验室的嵌入式文件系统TFS

/* cache.c:
 *  General notice:
 *  This code is part of a boot-monitor package developed as a generic base
 *  platform for embedded system designs.  As such, it is likely to be
 *  distributed to various projects beyond the control of the original
 *  author.  Please notify the author of any enhancements made or bugs found
 *  so that all may benefit from the changes.  In addition, notification back
 *  to the author will allow the new user to pick up changes that may have
 *  been made by other users after this version of the code was distributed.
 *
 *  Note1: the majority of this code was edited with 4-space tabs.
 *  Note2: as more and more contributions are accepted, the term "author"
 *         is becoming a mis-representation of credit.
 *
 *  Original author:    Ed Sutter
 *  Email:              [e-mail]
 *  Phone:              908-582-2351
 */
#include "genlib.h"


int (*dcacheFlush)(), (*icacheInvalidate)();

int
flushDcache(char *addr, int size)
{
    if (dcacheFlush)
        return(dcacheFlush(addr,size));
    return(0);
}

int
invalidateIcache(char *addr, int size)
{
    if (icacheInvalidate)
        return(icacheInvalidate(addr,size));
    return(0);
}

int
cacheInit()
{
    dcacheFlush = (int(*)())0;
    icacheInvalidate = (int(*)())0;
    cacheInitForTarget();           /* Target-specific initialization. */
    return(0);
}