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/*
* C library support files for the Blackfin processor
*
* Copyright (C) 2010 Analog Devices, Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
/* This is a callback which gcc itself wants to flush jump tables.
Map it into L1 Text because of anomalies 05-00-0312 and 05-00-0419. */
__attribute__ ((l1_text))
void __clear_cache_range (char *beg, char *end)
{
char *ptr = beg;
do {
__asm__ __volatile__ ("FLUSH [%0++];" : "+a" (ptr) : : "memory");
} while (ptr <= end);
ptr = beg;
__asm__ __volatile__ ("SSYNC;");
do {
__asm__ __volatile__ ("IFLUSH [%0++];" : "+a" (ptr) : : "memory");
} while (ptr <= end);
}
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