85 lines
		
	
	
	
		
			3.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			85 lines
		
	
	
	
		
			3.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #ifndef _SPARC_CACHEFLUSH_H
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|  | #define _SPARC_CACHEFLUSH_H
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|  | 
 | ||
|  | #include <linux/mm.h>		/* Common for other includes */
 | ||
|  | // #include <linux/kernel.h> from pgalloc.h
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|  | // #include <linux/sched.h>  from pgalloc.h
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|  | 
 | ||
|  | // #include <asm/page.h>
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|  | #include <asm/btfixup.h>
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|  | 
 | ||
|  | /*
 | ||
|  |  * Fine grained cache flushing. | ||
|  |  */ | ||
|  | #ifdef CONFIG_SMP
 | ||
|  | 
 | ||
|  | BTFIXUPDEF_CALL(void, local_flush_cache_all, void) | ||
|  | BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) | ||
|  | BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
|  | BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long) | ||
|  | 
 | ||
|  | #define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
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|  | #define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
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|  | #define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
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|  | #define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
 | ||
|  | 
 | ||
|  | BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) | ||
|  | BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long) | ||
|  | 
 | ||
|  | #define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
 | ||
|  | #define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
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|  | 
 | ||
|  | extern void smp_flush_cache_all(void); | ||
|  | extern void smp_flush_cache_mm(struct mm_struct *mm); | ||
|  | extern void smp_flush_cache_range(struct vm_area_struct *vma, | ||
|  | 				  unsigned long start, | ||
|  | 				  unsigned long end); | ||
|  | extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); | ||
|  | 
 | ||
|  | extern void smp_flush_page_to_ram(unsigned long page); | ||
|  | extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); | ||
|  | 
 | ||
|  | #endif /* CONFIG_SMP */
 | ||
|  | 
 | ||
|  | BTFIXUPDEF_CALL(void, flush_cache_all, void) | ||
|  | BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) | ||
|  | BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | ||
|  | BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) | ||
|  | 
 | ||
|  | #define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
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|  | #define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
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|  | #define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
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|  | #define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
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|  | #define flush_icache_range(start, end)		do { } while (0)
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|  | #define flush_icache_page(vma, pg)		do { } while (0)
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|  | 
 | ||
|  | #define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
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|  | 
 | ||
|  | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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|  | 	do {							\ | ||
|  | 		flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
|  | 		memcpy(dst, src, len);				\ | ||
|  | 	} while (0) | ||
|  | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
 | ||
|  | 	do {							\ | ||
|  | 		flush_cache_page(vma, vaddr, page_to_pfn(page));\ | ||
|  | 		memcpy(dst, src, len);				\ | ||
|  | 	} while (0) | ||
|  | 
 | ||
|  | BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long) | ||
|  | BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long) | ||
|  | 
 | ||
|  | #define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
 | ||
|  | #define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
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|  | 
 | ||
|  | extern void sparc_flush_page_to_ram(struct page *page); | ||
|  | 
 | ||
|  | #define flush_dcache_page(page)			sparc_flush_page_to_ram(page)
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|  | #define flush_dcache_mmap_lock(mapping)		do { } while (0)
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|  | #define flush_dcache_mmap_unlock(mapping)	do { } while (0)
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|  | 
 | ||
|  | #define flush_cache_vmap(start, end)		flush_cache_all()
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|  | #define flush_cache_vunmap(start, end)		flush_cache_all()
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|  | 
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|  | #endif /* _SPARC_CACHEFLUSH_H */
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