18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Common registers for PPC AES implementation 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de> 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#define rKS r0 /* copy of en-/decryption key pointer */ 98c2ecf20Sopenharmony_ci#define rDP r3 /* destination pointer */ 108c2ecf20Sopenharmony_ci#define rSP r4 /* source pointer */ 118c2ecf20Sopenharmony_ci#define rKP r5 /* pointer to en-/decryption key pointer */ 128c2ecf20Sopenharmony_ci#define rRR r6 /* en-/decryption rounds */ 138c2ecf20Sopenharmony_ci#define rLN r7 /* length of data to be processed */ 148c2ecf20Sopenharmony_ci#define rIP r8 /* potiner to IV (CBC/CTR/XTS modes) */ 158c2ecf20Sopenharmony_ci#define rKT r9 /* pointer to tweak key (XTS mode) */ 168c2ecf20Sopenharmony_ci#define rT0 r11 /* pointers to en-/decryption tables */ 178c2ecf20Sopenharmony_ci#define rT1 r10 188c2ecf20Sopenharmony_ci#define rD0 r9 /* data */ 198c2ecf20Sopenharmony_ci#define rD1 r14 208c2ecf20Sopenharmony_ci#define rD2 r12 218c2ecf20Sopenharmony_ci#define rD3 r15 228c2ecf20Sopenharmony_ci#define rW0 r16 /* working registers */ 238c2ecf20Sopenharmony_ci#define rW1 r17 248c2ecf20Sopenharmony_ci#define rW2 r18 258c2ecf20Sopenharmony_ci#define rW3 r19 268c2ecf20Sopenharmony_ci#define rW4 r20 278c2ecf20Sopenharmony_ci#define rW5 r21 288c2ecf20Sopenharmony_ci#define rW6 r22 298c2ecf20Sopenharmony_ci#define rW7 r23 308c2ecf20Sopenharmony_ci#define rI0 r24 /* IV */ 318c2ecf20Sopenharmony_ci#define rI1 r25 328c2ecf20Sopenharmony_ci#define rI2 r26 338c2ecf20Sopenharmony_ci#define rI3 r27 348c2ecf20Sopenharmony_ci#define rG0 r28 /* endian reversed tweak (XTS mode) */ 358c2ecf20Sopenharmony_ci#define rG1 r29 368c2ecf20Sopenharmony_ci#define rG2 r30 378c2ecf20Sopenharmony_ci#define rG3 r31 38