46 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			46 lines
		
	
	
	
		
			1.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * linux/arch/unicore32/include/asm/cpu-single.h | ||
|  |  * | ||
|  |  * 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. | ||
|  |  */ | ||
|  | #ifndef __UNICORE_CPU_SINGLE_H__
 | ||
|  | #define __UNICORE_CPU_SINGLE_H__
 | ||
|  | 
 | ||
|  | #include <asm/page.h>
 | ||
|  | #include <asm/memory.h>
 | ||
|  | 
 | ||
|  | #ifdef __KERNEL__
 | ||
|  | #ifndef __ASSEMBLY__
 | ||
|  | 
 | ||
|  | #define cpu_switch_mm(pgd, mm) cpu_do_switch_mm(virt_to_phys(pgd), mm)
 | ||
|  | 
 | ||
|  | #define cpu_get_pgd()					\
 | ||
|  | 	({						\ | ||
|  | 		unsigned long pg;			\ | ||
|  | 		__asm__("movc	%0, p0.c2, #0"		\ | ||
|  | 			 : "=r" (pg) : : "cc");		\ | ||
|  | 		pg &= ~0x0fff;				\ | ||
|  | 		(pgd_t *)phys_to_virt(pg);		\ | ||
|  | 	}) | ||
|  | 
 | ||
|  | struct mm_struct; | ||
|  | 
 | ||
|  | /* declare all the functions as extern */ | ||
|  | extern void cpu_proc_fin(void); | ||
|  | extern int cpu_do_idle(void); | ||
|  | extern void cpu_dcache_clean_area(void *, int); | ||
|  | extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); | ||
|  | extern void cpu_set_pte(pte_t *ptep, pte_t pte); | ||
|  | extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); | ||
|  | 
 | ||
|  | #endif /* __ASSEMBLY__ */
 | ||
|  | #endif /* __KERNEL__ */
 | ||
|  | 
 | ||
|  | #endif /* __UNICORE_CPU_SINGLE_H__ */
 |