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:
/
usr
/
src
/
linux-headers-6.8.0-83-generic
/
arch
/
sparc
/
include
/
asm
/ [
drwxr-xr-x
]
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cacheflush_32.h
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPARC_CACHEFLUSH_H #define _SPARC_CACHEFLUSH_H #include <linux/page-flags.h> #include <asm/cachetlb_32.h> #define flush_cache_all() \ sparc32_cachetlb_ops->cache_all() #define flush_cache_mm(mm) \ sparc32_cachetlb_ops->cache_mm(mm) #define flush_cache_dup_mm(mm) \ sparc32_cachetlb_ops->cache_mm(mm) #define flush_cache_range(vma,start,end) \ sparc32_cachetlb_ops->cache_range(vma, start, end) #define flush_cache_page(vma,addr,pfn) \ sparc32_cachetlb_ops->cache_page(vma, addr) #define flush_icache_range(start, end) do { } while (0) #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); \ } 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) #define __flush_page_to_ram(addr) \ sparc32_cachetlb_ops->page_to_ram(addr) #define flush_sig_insns(mm,insn_addr) \ sparc32_cachetlb_ops->sig_insns(mm, insn_addr) #define flush_page_for_dma(addr) \ sparc32_cachetlb_ops->page_for_dma(addr) void sparc_flush_page_to_ram(struct page *page); void sparc_flush_folio_to_ram(struct folio *folio); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 #define flush_dcache_folio(folio) sparc_flush_folio_to_ram(folio) static inline void flush_dcache_page(struct page *page) { flush_dcache_folio(page_folio(page)); } #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) #define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vmap_early(start, end) do { } while (0) #define flush_cache_vunmap(start, end) flush_cache_all() /* When a context switch happens we must flush all user windows so that * the windows of the current process are flushed onto its stack. This * way the windows are all clean for the next process and the stack * frames are up to date. */ void flush_user_windows(void); void kill_user_windows(void); void flushw_all(void); #endif /* _SPARC_CACHEFLUSH_H */
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