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#ifndef _SPARC64_CACHEFLUSH_H
#define _SPARC64_CACHEFLUSH_H
#include <asm/page.h>
#ifndef __ASSEMBLY__
#include <linux/mm.h>
/* Cache flush operations. */
#define flushw_all() __asm__ __volatile__("flushw")
extern void __flushw_user(void);
#define flushw_user() __flushw_user()
#define flush_user_windows flushw_user
#define flush_register_windows flushw_all
/* These are the same regardless of whether this is an SMP kernel or not. */
#define flush_cache_mm(__mm) \
do { if ((__mm) == current->mm) flushw_user(); } while(0)
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
#define flush_cache_range(vma, start, end) \
flush_cache_mm((vma)->vm_mm)
#define flush_cache_page(vma, page, pfn) \
flush_cache_mm((vma)->vm_mm)
/*
* On spitfire, the icache doesn't snoop local stores and we don't
* use block commit stores (which invalidate icache lines) during
* module load, so we need this.
*/
extern void flush_icache_range(unsigned long start, unsigned long end);
extern void __flush_icache_page(unsigned long);
extern void __flush_dcache_page(void *addr, int flush_icache);
extern void flush_dcache_page_impl(struct page *page);
#ifdef CONFIG_SMP
extern void smp_flush_dcache_page_impl(struct page *page, int cpu);
extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
#else
#define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page)
#define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page)
#endif
extern void __flush_dcache_range(unsigned long start, unsigned long end);
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
extern void flush_dcache_page(struct page *page);
#define flush_icache_page(vma, pg) do { } while(0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
extern void flush_ptrace_access(struct vm_area_struct *, struct page *,
unsigned long uaddr, void *kaddr,
unsigned long len, int write);
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page)); \
memcpy(dst, src, len); \
flush_ptrace_access(vma, page, vaddr, src, len, 0); \
} 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); \
flush_ptrace_access(vma, page, vaddr, dst, len, 1); \
} while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#ifdef CONFIG_DEBUG_PAGEALLOC
/* internal debugging function */
void kernel_map_pages(struct page *page, int numpages, int enable);
#endif
#endif /* !__ASSEMBLY__ */
#endif /* _SPARC64_CACHEFLUSH_H */