| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| Jeff Dike | 0a7675a | 2007-10-16 01:27:05 -0700 | [diff] [blame] | 2 | * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Licensed under the GPL |
| 4 | */ |
| 5 | |
| 6 | #ifndef __MEM_H__ |
| 7 | #define __MEM_H__ |
| 8 | |
| Jeff Dike | 0a7675a | 2007-10-16 01:27:05 -0700 | [diff] [blame] | 9 | extern int phys_mapping(unsigned long phys, unsigned long long *offset_out); |
| Paolo 'Blaisorblade' Giarrusso | d99c402 | 2005-09-10 19:44:56 +0200 | [diff] [blame] | 10 | |
| 11 | extern unsigned long uml_physmem; |
| 12 | static inline unsigned long to_phys(void *virt) |
| 13 | { |
| 14 | return(((unsigned long) virt) - uml_physmem); |
| 15 | } |
| 16 | |
| 17 | static inline void *to_virt(unsigned long phys) |
| 18 | { |
| 19 | return((void *) uml_physmem + phys); |
| 20 | } |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
| 22 | #endif |