linux/include/asm-arm/mach/map.h
Russell King 8c18fe2562 [ARM] Fix buggy __phys_to_pfn / __pfn_to_phys
Macro arguments should _always_ be surrounded by parentheses
when used to prevent unexpected problems with operator precedence.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-29 13:18:10 +01:00

37 lines
934 B
C

/*
* linux/include/asm-arm/map.h
*
* Copyright (C) 1999-2000 Russell King
*
* 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.
*
* Page table mapping constructs and function prototypes
*/
struct map_desc {
unsigned long virtual;
unsigned long pfn;
unsigned long length;
unsigned int type;
};
struct meminfo;
#define MT_DEVICE 0
#define MT_CACHECLEAN 1
#define MT_MINICLEAN 2
#define MT_LOW_VECTORS 3
#define MT_HIGH_VECTORS 4
#define MT_MEMORY 5
#define MT_ROM 6
#define MT_IXP2000_DEVICE 7
#define __phys_to_pfn(paddr) ((paddr) >> PAGE_SHIFT)
#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)
extern void create_memmap_holes(struct meminfo *);
extern void memtable_init(struct meminfo *);
extern void iotable_init(struct map_desc *, int);
extern void setup_io_desc(void);