57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
/*-
|
|
* 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/acle-compat.h>
|
|
|
|
#if __ARM_ARCH >= 6
|
|
#include <machine/pte-v6.h>
|
|
|
|
#define VM_MEMATTR_WB_WA ((vm_memattr_t)0)
|
|
#define VM_MEMATTR_NOCACHE ((vm_memattr_t)1)
|
|
#define VM_MEMATTR_DEVICE ((vm_memattr_t)2)
|
|
#define VM_MEMATTR_SO ((vm_memattr_t)3)
|
|
#define VM_MEMATTR_WRITE_THROUGH ((vm_memattr_t)4)
|
|
|
|
#define VM_MEMATTR_DEFAULT VM_MEMATTR_WB_WA
|
|
#define VM_MEMATTR_UNCACHEABLE VM_MEMATTR_SO /* misused by DMA */
|
|
#ifdef _KERNEL
|
|
/* Don't export aliased VM_MEMATTR to userland */
|
|
#define VM_MEMATTR_WRITE_COMBINING VM_MEMATTR_WRITE_THROUGH /* for DRM */
|
|
#define VM_MEMATTR_WRITE_BACK VM_MEMATTR_WB_WA /* for DRM */
|
|
#endif
|
|
#else
|
|
/* Memory attribute configuration. */
|
|
#define VM_MEMATTR_DEFAULT 0
|
|
#define VM_MEMATTR_UNCACHEABLE 1
|
|
#endif
|
|
|
|
#endif /* !_MACHINE_VM_H_ */
|