| Chris Metcalf | 867e359 | 2010-05-28 23:09:12 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010 Tilera Corporation. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation, version 2. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| 11 | * NON INFRINGEMENT. See the GNU General Public License for |
| 12 | * more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef _ASM_TILE_SECTIONS_H |
| 16 | #define _ASM_TILE_SECTIONS_H |
| 17 | |
| 18 | #define arch_is_kernel_data arch_is_kernel_data |
| 19 | |
| 20 | #include <asm-generic/sections.h> |
| 21 | |
| 22 | /* Text and data are at different areas in the kernel VA space. */ |
| 23 | extern char _sinitdata[], _einitdata[]; |
| 24 | |
| 25 | /* Write-once data is writable only till the end of initialization. */ |
| 26 | extern char __w1data_begin[], __w1data_end[]; |
| 27 | |
| 28 | extern char __feedback_section_start[], __feedback_section_end[]; |
| 29 | |
| 30 | /* Handle the discontiguity between _sdata and _stext. */ |
| 31 | static inline int arch_is_kernel_data(unsigned long addr) |
| 32 | { |
| 33 | return addr >= (unsigned long)_sdata && |
| 34 | addr < (unsigned long)_end; |
| 35 | } |
| 36 | |
| 37 | #endif /* _ASM_TILE_SECTIONS_H */ |