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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/tile/include/asm/sections.h | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/tile/include/asm/sections.h')
-rw-r--r-- | arch/tile/include/asm/sections.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/tile/include/asm/sections.h b/arch/tile/include/asm/sections.h new file mode 100644 index 00000000..d062d463 --- /dev/null +++ b/arch/tile/include/asm/sections.h @@ -0,0 +1,44 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SECTIONS_H +#define _ASM_TILE_SECTIONS_H + +#define arch_is_kernel_data arch_is_kernel_data + +#include <asm-generic/sections.h> + +/* Text and data are at different areas in the kernel VA space. */ +extern char _sinitdata[], _einitdata[]; + +/* Write-once data is writable only till the end of initialization. */ +extern char __w1data_begin[], __w1data_end[]; + + +/* Not exactly sections, but PC comparison points in the code. */ +extern char __rt_sigreturn[], __rt_sigreturn_end[]; +#ifndef __tilegx__ +extern char sys_cmpxchg[], __sys_cmpxchg_end[]; +extern char __sys_cmpxchg_grab_lock[]; +extern char __start_atomic_asm_code[], __end_atomic_asm_code[]; +#endif + +/* Handle the discontiguity between _sdata and _stext. */ +static inline int arch_is_kernel_data(unsigned long addr) +{ + return addr >= (unsigned long)_sdata && + addr < (unsigned long)_end; +} + +#endif /* _ASM_TILE_SECTIONS_H */ |