user/test/powerpc/44x/tlbwe_16KB.S

   1 #define SPRN_MMUCR 0x3b2
   2
   3 /* 16KB mapping at 4MB */
   4 #define TLBWORD0 0x00400220
   5 #define TLBWORD1 0x00400000
   6 #define TLBWORD2 0x00000003
   7
   8 .global _start
   9 _start:
  10         li      r4, 0
  11         mtspr   SPRN_MMUCR, r4
  12
  13         li      r3, 5
  14
  15         lis     r4, TLBWORD0@h
  16         ori     r4, r4, TLBWORD0@l
  17         tlbwe   r4, r3, 0
  18
  19         lis     r4, TLBWORD1@h
  20         ori     r4, r4, TLBWORD1@l
  21         tlbwe   r4, r3, 1
  22
  23         lis     r4, TLBWORD2@h
  24         ori     r4, r4, TLBWORD2@l
  25         tlbwe   r4, r3, 2
  26
  27         /* load from 4MB */
  28         lis     r3, 0x0040
  29         lwz     r4, 0(r3)
  30
  31         /* load from 4MB+8KB */
  32         ori     r3, r3, 0x2000
  33         lwz     r4, 0(r3)
  34
  35         b       .