2019-05-27 14:55:01 +08:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
2015-02-22 16:59:38 +08:00
|
|
|
/*
|
|
|
|
* Common registers for PPC AES implementation
|
|
|
|
*
|
|
|
|
* Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de>
|
|
|
|
*/
|
|
|
|
|
|
|
|
#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) */
|
2016-05-21 20:03:38 +08:00
|
|
|
#define rT0 r11 /* pointers to en-/decryption tables */
|
2015-02-22 16:59:38 +08:00
|
|
|
#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
|