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/*
* 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 */
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