arch/m68k-all/kernel/kernel_intern.h

   1
   2 #define MMU030 1
   3 #define MMU040 2
   4 #define MMU060 3
   5
   6 #define CM_WRITETHROUGH 0
   7 #define CM_COPYBACK 1
   8 #define CM_SERIALIZED 2
   9 #define CM_NONCACHEABLE 3
  10
  11 /* Platform-specific part of KernelBase */
  12 struct PlatformData
  13 {
  14         ULONG *MMU_Level_A;
  15         UBYTE mmu_type;
  16         UBYTE *page_ptr;
  17         ULONG page_free;
  18         UBYTE *zeropagedescriptor;
  19         UBYTE cachemodestore; /* CachePreDMA()/CachePostDMA() */
  20 };
  21
  22 extern BOOL map_region(struct KernelBase *kb, void *addr, void *physaddr, ULONG size, BOOL invalid, BOOL writeprotect, BOOL supervisor, UBYTE cachemode);
  23 extern BOOL unmap_region(struct KernelBase *kb, void *addr, ULONG size);
  24 extern void debug_mmu(struct KernelBase *kb);
  25 extern void enable_mmu(struct KernelBase *kb);
  26 extern void disable_mmu(struct KernelBase *kb);
  27 extern BOOL init_mmu(struct KernelBase *kb);
  28