162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Common registers for PPC AES implementation 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de> 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#define rKS r0 /* copy of en-/decryption key pointer */ 962306a36Sopenharmony_ci#define rDP r3 /* destination pointer */ 1062306a36Sopenharmony_ci#define rSP r4 /* source pointer */ 1162306a36Sopenharmony_ci#define rKP r5 /* pointer to en-/decryption key pointer */ 1262306a36Sopenharmony_ci#define rRR r6 /* en-/decryption rounds */ 1362306a36Sopenharmony_ci#define rLN r7 /* length of data to be processed */ 1462306a36Sopenharmony_ci#define rIP r8 /* potiner to IV (CBC/CTR/XTS modes) */ 1562306a36Sopenharmony_ci#define rKT r9 /* pointer to tweak key (XTS mode) */ 1662306a36Sopenharmony_ci#define rT0 r11 /* pointers to en-/decryption tables */ 1762306a36Sopenharmony_ci#define rT1 r10 1862306a36Sopenharmony_ci#define rD0 r9 /* data */ 1962306a36Sopenharmony_ci#define rD1 r14 2062306a36Sopenharmony_ci#define rD2 r12 2162306a36Sopenharmony_ci#define rD3 r15 2262306a36Sopenharmony_ci#define rW0 r16 /* working registers */ 2362306a36Sopenharmony_ci#define rW1 r17 2462306a36Sopenharmony_ci#define rW2 r18 2562306a36Sopenharmony_ci#define rW3 r19 2662306a36Sopenharmony_ci#define rW4 r20 2762306a36Sopenharmony_ci#define rW5 r21 2862306a36Sopenharmony_ci#define rW6 r22 2962306a36Sopenharmony_ci#define rW7 r23 3062306a36Sopenharmony_ci#define rI0 r24 /* IV */ 3162306a36Sopenharmony_ci#define rI1 r25 3262306a36Sopenharmony_ci#define rI2 r26 3362306a36Sopenharmony_ci#define rI3 r27 3462306a36Sopenharmony_ci#define rG0 r28 /* endian reversed tweak (XTS mode) */ 3562306a36Sopenharmony_ci#define rG1 r29 3662306a36Sopenharmony_ci#define rG2 r30 3762306a36Sopenharmony_ci#define rG3 r31 38