mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 10:23:55 +07:00
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/*
|
|
* 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
|
|
|
|
/* 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
|
|
|
|
#ifdef __ASSEMBLY__
|
|
#define PAGE_SIZE (1 << PAGE_SHIFT)
|
|
#define PAGE_OFFSET (0x80000000)
|
|
#else
|
|
#define PAGE_SIZE (1UL << PAGE_SHIFT) /* Default 8K */
|
|
#define PAGE_OFFSET (0x80000000UL) /* Kernel starts at 2G onwards */
|
|
#endif
|
|
|
|
#define PAGE_MASK (~(PAGE_SIZE-1))
|
|
|
|
|
|
#endif /* _UAPI__ASM_ARC_PAGE_H */
|