[deliverable/linux.git] / arch / tile / include / asm / sections.h

/*
 * 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[];

extern char __feedback_section_start[], __feedback_section_end[];

/* 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 */
Commit	Line	Data
867e359b CM	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 */