70 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 *  arch/arm/include/asm/cpu-multi32.h
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 *
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 *  Copyright (C) 2000 Russell King
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as
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 * published by the Free Software Foundation.
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 */
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#include <asm/page.h>
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struct mm_struct;
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/*
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 * Don't change this structure - ASM code
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 * relies on it.
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 */
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extern struct processor {
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	/* MISC
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	 * get data abort address/flags
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	 */
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	void (*_data_abort)(unsigned long pc);
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	/*
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	 * Retrieve prefetch fault address
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	 */
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	unsigned long (*_prefetch_abort)(unsigned long lr);
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	/*
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	 * Set up any processor specifics
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	 */
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	void (*_proc_init)(void);
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	/*
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	 * Disable any processor specifics
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	 */
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	void (*_proc_fin)(void);
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	/*
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	 * Special stuff for a reset
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	 */
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	void (*reset)(unsigned long addr) __attribute__((noreturn));
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	/*
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	 * Idle the processor
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	 */
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	int (*_do_idle)(void);
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	/*
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	 * Processor architecture specific
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	 */
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	/*
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	 * clean a virtual address range from the
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	 * D-cache without flushing the cache.
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	 */
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	void (*dcache_clean_area)(void *addr, int size);
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	/*
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	 * Set the page table
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	 */
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	void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
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	/*
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	 * Set a possibly extended PTE.  Non-extended PTEs should
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	 * ignore 'ext'.
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	 */
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	void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
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} processor;
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#define cpu_proc_init()			processor._proc_init()
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#define cpu_proc_fin()			processor._proc_fin()
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#define cpu_reset(addr)			processor.reset(addr)
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#define cpu_do_idle()			processor._do_idle()
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#define cpu_dcache_clean_area(addr,sz)	processor.dcache_clean_area(addr,sz)
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#define cpu_set_pte_ext(ptep,pte,ext)	processor.set_pte_ext(ptep,pte,ext)
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#define cpu_do_switch_mm(pgd,mm)	processor.switch_mm(pgd,mm)
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