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/*
* Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
*
* Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
*/
#ifndef _UCLIBC_PAGE_H
#define _UCLIBC_PAGE_H
/*
* ARC700/linux supports 4k, 8k, 16k pages (build time).
*
* Although uClibc determines page size dynamically, from kernel's auxv which
* ARC Linux does pass, still the generic code needs a fall back
* _dl_pagesize = auxvt[AT_PAGESZ].a_un.a_val ? : PAGE_SIZE
*
*/
#include <features.h>
#if defined(__CONFIG_ARC_PAGE_SIZE_16K__)
#define PAGE_SHIFT 14
#elif defined(__CONFIG_ARC_PAGE_SIZE_4K__)
#define PAGE_SHIFT 12
#else
#define PAGE_SHIFT 13
#endif
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
/* TBD: fix this with runtime value for a PAGE_SIZE agnostic uClibc */
#define MMAP2_PAGE_SHIFT PAGE_SHIFT
#endif /* _UCLIBC_PAGE_H */
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