#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") 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. */ void flush_icache_range(unsigned long start, unsigned long end); void __flush_icache_page(unsigned long); void __flush_dcache_page(void *addr, int flush_icache); void flush_dcache_page_impl(struct page *page); #ifdef [31mCONFIG_SMP[0m void smp_flush_dcache_page_impl(struct page *page, int cpu); 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 void __flush_dcache_range(unsigned long start, unsigned long end); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 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) 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) #endif /* !__ASSEMBLY__ */ #endif /* _SPARC64_CACHEFLUSH_H */ |