freebsd-skq/sys/mips/include/vm.h
Konstantin Belousov c9bbc3ef29 Make cache coherency attributes definitions available in machine/vm.h on MIPS.
Move definitions from cpuregs.h into the cca.h, and include cca.h into vm.h.
This is required to make MIPS MD memattr definitions usable in userspace.

Sponsored by:	The FreeBSD Foundation, Mellanox Technologies
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D15583
2018-08-01 18:35:17 +00:00

46 lines
1.8 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2009 Alan L. Cox <alc@cs.rice.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_VM_H_
#define _MACHINE_VM_H_
#include <machine/pte.h>
#include <machine/cca.h>
/* Memory attributes. */
#define VM_MEMATTR_UNCACHEABLE ((vm_memattr_t)MIPS_CCA_UNCACHED)
#define VM_MEMATTR_WRITE_BACK ((vm_memattr_t)MIPS_CCA_CACHED)
#define VM_MEMATTR_DEFAULT VM_MEMATTR_WRITE_BACK
#ifdef MIPS_CCA_WC
#define VM_MEMATTR_WRITE_COMBINING ((vm_memattr_t)MIPS_CCA_WC)
#endif
#endif /* !_MACHINE_VM_H_ */