Viewing file: cacheflush.h (3.65 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SH_CACHEFLUSH_H #define __ASM_SH_CACHEFLUSH_H
#include <linux/mm.h>
/* * Cache flushing: * * - flush_cache_all() flushes entire cache * - flush_cache_mm(mm) flushes the specified mm context's cache lines * - flush_cache_dup mm(mm) handles cache flushing when forking * - flush_cache_page(mm, vmaddr, pfn) flushes a single page * - flush_cache_range(vma, start, end) flushes a range of pages * * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache * - flush_icache_range(start, end) flushes(invalidates) a range for icache * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache * - flush_cache_sigtramp(vaddr) flushes the signal trampoline */ extern void (*local_flush_cache_all)(void *args); extern void (*local_flush_cache_mm)(void *args); extern void (*local_flush_cache_dup_mm)(void *args); extern void (*local_flush_cache_page)(void *args); extern void (*local_flush_cache_range)(void *args); extern void (*local_flush_dcache_page)(void *args); extern void (*local_flush_icache_range)(void *args); extern void (*local_flush_icache_page)(void *args); extern void (*local_flush_cache_sigtramp)(void *args);
static inline void cache_noop(void *args) { }
extern void (*__flush_wback_region)(void *start, int size); extern void (*__flush_purge_region)(void *start, int size); extern void (*__flush_invalidate_region)(void *start, int size);
extern void flush_cache_all(void); extern void flush_cache_mm(struct mm_struct *mm); extern void flush_cache_dup_mm(struct mm_struct *mm); extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *page); extern void flush_icache_range(unsigned long start, unsigned long end); #define flush_icache_user_range flush_icache_range extern void flush_icache_page(struct vm_area_struct *vma, struct page *page); extern void flush_cache_sigtramp(unsigned long address);
struct flusher_data { struct vm_area_struct *vma; unsigned long addr1, addr2; };
#define ARCH_HAS_FLUSH_ANON_PAGE extern void __flush_anon_page(struct page *page, unsigned long);
static inline void flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr) { if (boot_cpu_data.dcache.n_aliases && PageAnon(page)) __flush_anon_page(page, vmaddr); }
#define ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE 1 static inline void flush_kernel_vmap_range(void *addr, int size) { __flush_wback_region(addr, size); } static inline void invalidate_kernel_vmap_range(void *addr, int size) { __flush_invalidate_region(addr, size); }
extern void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len);
extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len);
#define flush_cache_vmap(start, end) local_flush_cache_all(NULL) #define flush_cache_vunmap(start, end) local_flush_cache_all(NULL)
#define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0)
void kmap_coherent_init(void); void *kmap_coherent(struct page *page, unsigned long addr); void kunmap_coherent(void *kvaddr);
#define PG_dcache_clean PG_arch_1
void cpu_cache_init(void);
static inline void *sh_cacheop_vaddr(void *vaddr) { if (__in_29bit_mode()) vaddr = (void *)CAC_ADDR((unsigned long)vaddr); return vaddr; }
#endif /* __ASM_SH_CACHEFLUSH_H */
|