cacheflush.h

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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 */