| 1 |
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| 2 | #ifndef _SPARC_CACHEFLUSH_H
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| 3 | #define _SPARC_CACHEFLUSH_H
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| 4 |
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| 5 | #include <linux/page-flags.h>
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| 6 | #include <asm/cachetlb_32.h>
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| 7 |
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| 8 | #define flush_cache_all() \
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| 9 | sparc32_cachetlb_ops->cache_all()
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| 10 | #define flush_cache_mm(mm) \
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| 11 | sparc32_cachetlb_ops->cache_mm(mm)
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| 12 | #define flush_cache_dup_mm(mm) \
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| 13 | sparc32_cachetlb_ops->cache_mm(mm)
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| 14 | #define flush_cache_range(vma,start,end) \
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| 15 | sparc32_cachetlb_ops->cache_range(vma, start, end)
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| 16 | #define flush_cache_page(vma,addr,pfn) \
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| 17 | sparc32_cachetlb_ops->cache_page(vma, addr)
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| 18 | #define flush_icache_range(start, end) do { } while (0)
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| 19 |
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| 20 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
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| 21 | do { \
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| 22 | flush_cache_page(vma, vaddr, page_to_pfn(page));\
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| 23 | memcpy(dst, src, len); \
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| 24 | } while (0)
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| 25 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
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| 26 | do { \
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| 27 | flush_cache_page(vma, vaddr, page_to_pfn(page));\
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| 28 | memcpy(dst, src, len); \
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| 29 | } while (0)
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| 30 |
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| 31 | #define __flush_page_to_ram(addr) \
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| 32 | sparc32_cachetlb_ops->page_to_ram(addr)
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| 33 | #define flush_sig_insns(mm,insn_addr) \
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| 34 | sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
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| 35 | #define flush_page_for_dma(addr) \
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| 36 | sparc32_cachetlb_ops->page_for_dma(addr)
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| 37 |
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| 38 | void sparc_flush_page_to_ram(struct page *page);
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| 39 | void sparc_flush_folio_to_ram(struct folio *folio);
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| 40 |
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| 41 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
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| 42 | #define flush_dcache_folio(folio) sparc_flush_folio_to_ram(folio)
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| 43 | static inline void flush_dcache_page(struct page *page)
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| 44 | {
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| 45 | flush_dcache_folio(page_folio(page));
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| 46 | }
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| 47 | #define flush_dcache_mmap_lock(mapping) do { } while (0)
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| 48 | #define flush_dcache_mmap_unlock(mapping) do { } while (0)
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| 49 |
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| 50 | #define flush_cache_vmap(start, end) flush_cache_all()
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| 51 | #define flush_cache_vmap_early(start, end) do { } while (0)
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| 52 | #define flush_cache_vunmap(start, end) flush_cache_all()
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| 53 |
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| 54 | |
| 55 | * the windows of the current process are flushed onto its stack. This
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| 56 | * way the windows are all clean for the next process and the stack
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| 57 | * frames are up to date.
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| 58 |
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| 59 | void flush_user_windows(void);
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| 60 | void kill_user_windows(void);
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| 61 | void flushw_all(void);
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| 62 |
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| 63 | #endif
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