- 根目录:
- arch
- avr32
- include
- asm
- cacheflush.h
#ifndef __ASM_AVR32_CACHEFLUSH_H
#define __ASM_AVR32_CACHEFLUSH_H
#include <linux/mm.h>
#define CACHE_OP_ICACHE_INVALIDATE 0x01
#define CACHE_OP_DCACHE_INVALIDATE 0x0b
#define CACHE_OP_DCACHE_CLEAN 0x0c
#define CACHE_OP_DCACHE_CLEAN_INVAL 0x0d
static inline void invalidate_dcache_line(void *vaddr)
{
asm volatile("cache %0[0], %1"
:
: "r"(vaddr), "n"(CACHE_OP_DCACHE_INVALIDATE)
: "memory");
}
static inline void clean_dcache_line(void *vaddr)
{
asm volatile("cache %0[0], %1"
:
: "r"(vaddr), "n"(CACHE_OP_DCACHE_CLEAN)
: "memory");
}
static inline void flush_dcache_line(void *vaddr)
{
asm volatile("cache %0[0], %1"
:
: "r"(vaddr), "n"(CACHE_OP_DCACHE_CLEAN_INVAL)
: "memory");
}
static inline void invalidate_icache_line(void *vaddr)
{
asm volatile("cache %0[0], %1"
:
: "r"(vaddr), "n"(CACHE_OP_ICACHE_INVALIDATE)
: "memory");
}
void invalidate_dcache_region(void *start, size_t len);
void clean_dcache_region(void *start, size_t len);
void flush_dcache_region(void *start, size_t len);
void invalidate_icache_region(void *start, size_t len);
#define flush_write_buffer() asm volatile("sync 0" : : : "memory")
#define flush_cache_all() do { } while (0)
#define flush_cache_mm(mm) do { } while (0)
#define flush_cache_dup_mm(mm) do { } while (0)
#define flush_cache_range(vma, start, end) do { } while (0)
#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
extern void flush_icache_page(struct vm_area_struct *vma, struct page *page);
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(page) do { } while (0)
#define flush_dcache_mmap_unlock(page) do { } while (0)
extern void flush_icache_range(unsigned long start, unsigned long end);
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);
static inline void copy_from_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst,
const void *src, unsigned long len)
{
memcpy(dst, src, len);
}
#endif
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