1*e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 28c2f4a8dSVineet Gupta /* 38c2f4a8dSVineet Gupta * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) 48c2f4a8dSVineet Gupta * 58c2f4a8dSVineet Gupta * This program is free software; you can redistribute it and/or modify 68c2f4a8dSVineet Gupta * it under the terms of the GNU General Public License version 2 as 78c2f4a8dSVineet Gupta * published by the Free Software Foundation. 88c2f4a8dSVineet Gupta */ 98c2f4a8dSVineet Gupta 108c2f4a8dSVineet Gupta #ifndef _UAPI__ASM_ARC_PAGE_H 118c2f4a8dSVineet Gupta #define _UAPI__ASM_ARC_PAGE_H 128c2f4a8dSVineet Gupta 13d4084645SAlexey Brodkin #include <linux/const.h> 14d4084645SAlexey Brodkin 158c2f4a8dSVineet Gupta /* PAGE_SHIFT determines the page size */ 168c2f4a8dSVineet Gupta #if defined(CONFIG_ARC_PAGE_SIZE_16K) 178c2f4a8dSVineet Gupta #define PAGE_SHIFT 14 188c2f4a8dSVineet Gupta #elif defined(CONFIG_ARC_PAGE_SIZE_4K) 198c2f4a8dSVineet Gupta #define PAGE_SHIFT 12 208c2f4a8dSVineet Gupta #else 218c2f4a8dSVineet Gupta /* 228c2f4a8dSVineet Gupta * Default 8k 238c2f4a8dSVineet Gupta * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc 248c2f4a8dSVineet Gupta * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o 258c2f4a8dSVineet Gupta * using the correct uClibc header and in their build our autoconf.h is 268c2f4a8dSVineet Gupta * not available 278c2f4a8dSVineet Gupta */ 288c2f4a8dSVineet Gupta #define PAGE_SHIFT 13 298c2f4a8dSVineet Gupta #endif 308c2f4a8dSVineet Gupta 31d4084645SAlexey Brodkin #define PAGE_SIZE _BITUL(PAGE_SHIFT) /* Default 8K */ 32d4084645SAlexey Brodkin #define PAGE_OFFSET _AC(0x80000000, UL) /* Kernel starts at 2G onwrds */ 338c2f4a8dSVineet Gupta 348c2f4a8dSVineet Gupta #define PAGE_MASK (~(PAGE_SIZE-1)) 358c2f4a8dSVineet Gupta 368c2f4a8dSVineet Gupta #endif /* _UAPI__ASM_ARC_PAGE_H */ 37