 e96636ccfa
			
		
	
	
	e96636ccfa
	
	
	
		
			
			This fixes up some of the various outstanding nommu bugs on SH. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
		
			
				
	
	
		
			37 lines
		
	
	
	
		
			753 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
	
		
			753 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * arch/sh/mm/pg-nommu.c
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|  *
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|  * clear_page()/copy_page() implementation for MMUless SH.
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|  *
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|  * Copyright (C) 2003  Paul Mundt
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|  *
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|  * This file is subject to the terms and conditions of the GNU General Public
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|  * License.  See the file "COPYING" in the main directory of this archive
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|  * for more details.
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|  */
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| #include <linux/init.h>
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| #include <linux/kernel.h>
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| #include <linux/string.h>
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| #include <asm/page.h>
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| 
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| void copy_page_nommu(void *to, void *from)
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| {
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| 	memcpy(to, from, PAGE_SIZE);
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| }
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| 
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| void clear_page_nommu(void *to)
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| {
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| 	memset(to, 0, PAGE_SIZE);
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| }
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| 
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| __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
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| {
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| 	memcpy(to, from, n);
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| 	return 0;
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| }
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| 
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| __kernel_size_t __clear_user(void *to, __kernel_size_t n)
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| {
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| 	memset(to, 0, n);
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| 	return 0;
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| }
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