199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 2014 The FreeBSD Foundation
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * This software was developed by Semihalf under
199767f8919635c4928607450d9e0abb932109ceToomas Soome * the sponsorship of the FreeBSD Foundation.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic unsigned int
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Accessible from all security levels */
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Relevant field [19:16] is LOG2
199767f8919635c4928607450d9e0abb932109ceToomas Soome * of the number of words in DCache line
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Size of word shifted by cache line size */
199767f8919635c4928607450d9e0abb932109ceToomas Soome return (sizeof(int) << dcl_size);
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Calculate end address to clean */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Align start address to cache line */
199767f8919635c4928607450d9e0abb932109ceToomas Soome __asm __volatile("dc civac, %0" : : "r" (addr) : "memory");
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* Full system DSB */
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* NULL ptr or 0 len means all */
199767f8919635c4928607450d9e0abb932109ceToomas Soome "ic ialluis \n"
199767f8919635c4928607450d9e0abb932109ceToomas Soome "dsb ish \n"
199767f8919635c4928607450d9e0abb932109ceToomas Soome : : : "memory");
199767f8919635c4928607450d9e0abb932109ceToomas Soome /* TODO: Other cache ranges if necessary */