38 lines
		
	
	
		
			860 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			860 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Common powerpc suspend code for 32 and 64 bits
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|  *
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|  * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License
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|  * as published by the Free Software Foundation; either version
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|  * 2 of the License, or (at your option) any later version.
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|  */
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| 
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| #include <linux/sched.h>
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| #include <linux/suspend.h>
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| #include <asm/current.h>
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| #include <asm/mmu_context.h>
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| #include <asm/switch_to.h>
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| 
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| void save_processor_state(void)
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| {
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| 	/*
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| 	 * flush out all the special registers so we don't need
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| 	 * to save them in the snapshot
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| 	 */
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| 	flush_all_to_thread(current);
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| 
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| #ifdef CONFIG_PPC64
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| 	hard_irq_disable();
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| #endif
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| 
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| }
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| 
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| void restore_processor_state(void)
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| {
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| #ifdef CONFIG_PPC32
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| 	switch_mmu_context(current->active_mm, current->active_mm, NULL);
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| #endif
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| }
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