1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009 Hudson River Trading LLC 5 * Written by: John H. Baldwin <jhb@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef _MACHINE_VM_H_ 31 #define _MACHINE_VM_H_ 32 33 #include <machine/specialreg.h> 34 35 /* Memory attributes. */ 36 #define VM_MEMATTR_UNCACHEABLE ((vm_memattr_t)PAT_UNCACHEABLE) 37 #define VM_MEMATTR_WRITE_COMBINING ((vm_memattr_t)PAT_WRITE_COMBINING) 38 #define VM_MEMATTR_WRITE_THROUGH ((vm_memattr_t)PAT_WRITE_THROUGH) 39 #define VM_MEMATTR_WRITE_PROTECTED ((vm_memattr_t)PAT_WRITE_PROTECTED) 40 #define VM_MEMATTR_WRITE_BACK ((vm_memattr_t)PAT_WRITE_BACK) 41 #define VM_MEMATTR_WEAK_UNCACHEABLE ((vm_memattr_t)PAT_UNCACHED) 42 43 #define VM_MEMATTR_DEFAULT VM_MEMATTR_WRITE_BACK 44 #define VM_MEMATTR_DEVICE VM_MEMATTR_UNCACHEABLE 45 46 #endif /* !_MACHINE_VM_H_ */ 47