60 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef _SPARC_CACHEFLUSH_H
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| #define _SPARC_CACHEFLUSH_H
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| 
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| #include <asm/cachetlb_32.h>
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| 
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| #define flush_cache_all() \
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| 	sparc32_cachetlb_ops->cache_all()
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| #define flush_cache_mm(mm) \
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| 	sparc32_cachetlb_ops->cache_mm(mm)
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| #define flush_cache_dup_mm(mm) \
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| 	sparc32_cachetlb_ops->cache_mm(mm)
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| #define flush_cache_range(vma,start,end) \
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| 	sparc32_cachetlb_ops->cache_range(vma, start, end)
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| #define flush_cache_page(vma,addr,pfn) \
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| 	sparc32_cachetlb_ops->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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| 
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| #define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
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| 
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| #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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| 	do {							\
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| 		flush_cache_page(vma, vaddr, page_to_pfn(page));\
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| 		memcpy(dst, src, len);				\
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| 	} while (0)
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| #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
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| 	do {							\
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| 		flush_cache_page(vma, vaddr, page_to_pfn(page));\
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| 		memcpy(dst, src, len);				\
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| 	} while (0)
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| 
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| #define __flush_page_to_ram(addr) \
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| 	sparc32_cachetlb_ops->page_to_ram(addr)
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| #define flush_sig_insns(mm,insn_addr) \
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| 	sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
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| #define flush_page_for_dma(addr) \
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| 	sparc32_cachetlb_ops->page_for_dma(addr)
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| 
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| void sparc_flush_page_to_ram(struct page *page);
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| 
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| #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
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| #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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| 
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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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| /* When a context switch happens we must flush all user windows so that
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|  * the windows of the current process are flushed onto its stack. This
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|  * way the windows are all clean for the next process and the stack
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|  * frames are up to date.
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|  */
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| void flush_user_windows(void);
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| void kill_user_windows(void);
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| void flushw_all(void);
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| 
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| #endif /* _SPARC_CACHEFLUSH_H */
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