| /* |
| * Common registers for PPC AES implementation |
| * |
| * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| */ |
| |
| #define rKS r0 /* copy of en-/decryption key pointer */ |
| #define rDP r3 /* destination pointer */ |
| #define rSP r4 /* source pointer */ |
| #define rKP r5 /* pointer to en-/decryption key pointer */ |
| #define rRR r6 /* en-/decryption rounds */ |
| #define rLN r7 /* length of data to be processed */ |
| #define rIP r8 /* potiner to IV (CBC/CTR/XTS modes) */ |
| #define rKT r9 /* pointer to tweak key (XTS mode) */ |
| #define rT0 r11 /* pointers to en-/decryption tables */ |
| #define rT1 r10 |
| #define rD0 r9 /* data */ |
| #define rD1 r14 |
| #define rD2 r12 |
| #define rD3 r15 |
| #define rW0 r16 /* working registers */ |
| #define rW1 r17 |
| #define rW2 r18 |
| #define rW3 r19 |
| #define rW4 r20 |
| #define rW5 r21 |
| #define rW6 r22 |
| #define rW7 r23 |
| #define rI0 r24 /* IV */ |
| #define rI1 r25 |
| #define rI2 r26 |
| #define rI3 r27 |
| #define rG0 r28 /* endian reversed tweak (XTS mode) */ |
| #define rG1 r29 |
| #define rG2 r30 |
| #define rG3 r31 |