This patch implements fault handling of memory management. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
		
			
				
	
	
		
			24 lines
		
	
	
	
		
			603 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			24 lines
		
	
	
	
		
			603 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * linux/arch/unicore32/mm/extable.c
 | 
						|
 *
 | 
						|
 * Code specific to PKUnity SoC and UniCore ISA
 | 
						|
 *
 | 
						|
 * Copyright (C) 2001-2010 GUAN Xue-tao
 | 
						|
 *
 | 
						|
 * This program is free software; you can redistribute it and/or modify
 | 
						|
 * it under the terms of the GNU General Public License version 2 as
 | 
						|
 * published by the Free Software Foundation.
 | 
						|
 */
 | 
						|
#include <linux/module.h>
 | 
						|
#include <linux/uaccess.h>
 | 
						|
 | 
						|
int fixup_exception(struct pt_regs *regs)
 | 
						|
{
 | 
						|
	const struct exception_table_entry *fixup;
 | 
						|
 | 
						|
	fixup = search_exception_tables(instruction_pointer(regs));
 | 
						|
	if (fixup)
 | 
						|
		regs->UCreg_pc = fixup->fixup;
 | 
						|
 | 
						|
	return fixup != NULL;
 | 
						|
}
 |