| Tony SIM | 1d7a894 | 2010-01-28 17:04:55 +0900 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | **************************************************************************** |
| 11 | ****************************************************************************/ |
| 12 | #ifndef _ASM_FIXMAP_H |
| 13 | #define _ASM_FIXMAP_H |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <asm/page.h> |
| 17 | |
| 18 | enum fixed_addresses { |
| 19 | #define FIX_N_COLOURS 16 |
| 20 | FIX_CMAP_BEGIN, |
| 21 | FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS, |
| 22 | FIX_UNCACHED, |
| 23 | __end_of_fixed_addresses |
| 24 | }; |
| 25 | |
| 26 | #define set_fixmap(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL) |
| 27 | |
| 28 | #define set_fixmap_nocache(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) |
| 29 | |
| 30 | #define FIXADDR_TOP (P4SEG - PAGE_SIZE) |
| 31 | #define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) |
| 32 | #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) |
| 33 | |
| 34 | #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) |
| 35 | #define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) |
| 36 | |
| 37 | #endif |