/*
* Copyright (c) 2005 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/** @addtogroup libc
* @{
*/
/** @file
*/
#ifndef _LIBC_AS_H_
#define _LIBC_AS_H_
#include <types/common.h>
#include <stddef.h>
#include <stdint.h>
#include <abi/mm/as.h>
#include <libarch/config.h>
static inline size_t SIZE2PAGES(size_t size)
{
if (size == 0)
return 0;
return (size_t) ((size - 1) >> PAGE_WIDTH) + 1;
}
static inline size_t PAGES2SIZE(size_t pages)
{
return (size_t) (pages << PAGE_WIDTH);
}
extern void *as_area_create(void *, size_t, unsigned int,
as_area_pager_info_t *);
extern errno_t as_area_resize(void *, size_t, unsigned int);
extern errno_t as_area_change_flags(void *, unsigned int);
extern errno_t as_area_get_info(void *, as_area_info_t *);
extern errno_t as_area_destroy(void *);
extern void *set_maxheapsize(size_t);
extern errno_t as_get_physical_mapping(const void *, uintptr_t *);
#endif
/** @}
*/