Viewing file:  cacheflush.h (3.17 KB) -rw-r--r--
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#ifndef _ASM_M32R_CACHEFLUSH_H
#define _ASM_M32R_CACHEFLUSH_H
#include <linux/mm.h>
extern void _flush_cache_all(void);
extern void _flush_cache_copyback_all(void);
#if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104)
#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 ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#ifndef CONFIG_SMP
#define flush_icache_range(start, end) _flush_cache_copyback_all()
#define flush_icache_page(vma,pg) _flush_cache_copyback_all()
#define flush_icache_user_range(vma,pg,adr,len) _flush_cache_copyback_all()
#define flush_cache_sigtramp(addr) _flush_cache_copyback_all()
#else /* CONFIG_SMP */
extern void smp_flush_cache_all(void);
#define flush_icache_range(start, end) smp_flush_cache_all()
#define flush_icache_page(vma,pg) smp_flush_cache_all()
#define flush_icache_user_range(vma,pg,adr,len) smp_flush_cache_all()
#define flush_cache_sigtramp(addr) _flush_cache_copyback_all()
#endif /* CONFIG_SMP */
#elif defined(CONFIG_CHIP_M32102)
#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 ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_range(start, end) _flush_cache_all()
#define flush_icache_page(vma,pg) _flush_cache_all()
#define flush_icache_user_range(vma,pg,adr,len) _flush_cache_all()
#define flush_cache_sigtramp(addr) _flush_cache_all()
#else
#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 ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma,pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define flush_cache_sigtramp(addr) do { } while (0)
#endif /* CONFIG_CHIP_* */
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
flush_icache_user_range(vma, page, vaddr, len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
memcpy(dst, src, len)
#endif /* _ASM_M32R_CACHEFLUSH_H */
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