Libc-763.12.tar.gz

[apple/libc.git] / gen / cache.c

/*
 * Copyright (c) 2003-2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/* cache control */

#include <stdlib.h>
#include <stddef.h>
#include <errno.h>
#include <sys/types.h>
#include <libkern/OSCacheControl.h>


int
sys_cache_control(int function, void *start, size_t len)
{
	int	status = 0;
	
	switch( function ) {
	
	case kCacheFunctionPrepareForExecution:
		sys_icache_invalidate(start, len);
		break;
		
	case kCacheFunctionFlushDcache:
		sys_dcache_flush(start, len);
		break;
		
	default:
		status = ENOTSUP;
	}
	
	return	status;
}