1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Common registers for PPC AES implementation 4 * 5 * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de> 6 */ 7 8 #define rKS r0 /* copy of en-/decryption key pointer */ 9 #define rDP r3 /* destination pointer */ 10 #define rSP r4 /* source pointer */ 11 #define rKP r5 /* pointer to en-/decryption key pointer */ 12 #define rRR r6 /* en-/decryption rounds */ 13 #define rLN r7 /* length of data to be processed */ 14 #define rIP r8 /* potiner to IV (CBC/CTR/XTS modes) */ 15 #define rKT r9 /* pointer to tweak key (XTS mode) */ 16 #define rT0 r11 /* pointers to en-/decryption tables */ 17 #define rT1 r10 18 #define rD0 r9 /* data */ 19 #define rD1 r14 20 #define rD2 r12 21 #define rD3 r15 22 #define rW0 r16 /* working registers */ 23 #define rW1 r17 24 #define rW2 r18 25 #define rW3 r19 26 #define rW4 r20 27 #define rW5 r21 28 #define rW6 r22 29 #define rW7 r23 30 #define rI0 r24 /* IV */ 31 #define rI1 r25 32 #define rI2 r26 33 #define rI3 r27 34 #define rG0 r28 /* endian reversed tweak (XTS mode) */ 35 #define rG1 r29 36 #define rG2 r30 37 #define rG3 r31 38
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