aes-spe-regs.h 1.1 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * Common registers for PPC AES implementation
  4. *
  5. * Copyright (c) 2015 Markus Stockhausen <[email protected]>
  6. */
  7. #define rKS r0 /* copy of en-/decryption key pointer */
  8. #define rDP r3 /* destination pointer */
  9. #define rSP r4 /* source pointer */
  10. #define rKP r5 /* pointer to en-/decryption key pointer */
  11. #define rRR r6 /* en-/decryption rounds */
  12. #define rLN r7 /* length of data to be processed */
  13. #define rIP r8 /* potiner to IV (CBC/CTR/XTS modes) */
  14. #define rKT r9 /* pointer to tweak key (XTS mode) */
  15. #define rT0 r11 /* pointers to en-/decryption tables */
  16. #define rT1 r10
  17. #define rD0 r9 /* data */
  18. #define rD1 r14
  19. #define rD2 r12
  20. #define rD3 r15
  21. #define rW0 r16 /* working registers */
  22. #define rW1 r17
  23. #define rW2 r18
  24. #define rW3 r19
  25. #define rW4 r20
  26. #define rW5 r21
  27. #define rW6 r22
  28. #define rW7 r23
  29. #define rI0 r24 /* IV */
  30. #define rI1 r25
  31. #define rI2 r26
  32. #define rI3 r27
  33. #define rG0 r28 /* endian reversed tweak (XTS mode) */
  34. #define rG1 r29
  35. #define rG2 r30
  36. #define rG3 r31