[mirror_ubuntu-eoan-kernel.git] / arch / arc / include / uapi / asm / page.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _UAPI__ASM_ARC_PAGE_H
#define _UAPI__ASM_ARC_PAGE_H

#include <linux/const.h>

/* PAGE_SHIFT determines the page size */
#if defined(CONFIG_ARC_PAGE_SIZE_16K)
#define PAGE_SHIFT 14
#elif defined(CONFIG_ARC_PAGE_SIZE_4K)
#define PAGE_SHIFT 12
#else
/*
 * Default 8k
 * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc
 * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o
 * using the correct uClibc header and in their build our autoconf.h is
 * not available
 */
#define PAGE_SHIFT 13
#endif

#define PAGE_SIZE	_BITUL(PAGE_SHIFT)	/* Default 8K */
#define PAGE_OFFSET	_AC(0x80000000, UL)	/* Kernel starts at 2G onwrds */

#define PAGE_MASK	(~(PAGE_SIZE-1))


#endif /* _UAPI__ASM_ARC_PAGE_H */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
8c2f4a8d VG	2	/*
	3	* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License version 2 as
	7	* published by the Free Software Foundation.
	8	*/
	9
	10	#ifndef _UAPI__ASM_ARC_PAGE_H
	11	#define _UAPI__ASM_ARC_PAGE_H
	12
d4084645 AB	13	#include <linux/const.h>
d4084645 AB	14
8c2f4a8d VG	15	/* PAGE_SHIFT determines the page size */
	16	#if defined(CONFIG_ARC_PAGE_SIZE_16K)
	17	#define PAGE_SHIFT 14
	18	#elif defined(CONFIG_ARC_PAGE_SIZE_4K)
	19	#define PAGE_SHIFT 12
	20	#else
	21	/*
	22	* Default 8k
	23	* done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc
	24	* user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o
	25	* using the correct uClibc header and in their build our autoconf.h is
	26	* not available
	27	*/
	28	#define PAGE_SHIFT 13
	29	#endif
	30
d4084645 AB	31	#define PAGE_SIZE _BITUL(PAGE_SHIFT) /* Default 8K */
d4084645 AB	32	#define PAGE_OFFSET _AC(0x80000000, UL) /* Kernel starts at 2G onwrds */
8c2f4a8d VG	33
	34	#define PAGE_MASK (~(PAGE_SIZE-1))
	35
	36
	37	#endif /* _UAPI__ASM_ARC_PAGE_H */