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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/powerpc/crypto/aes-spe-regs.h
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/* SPDX-License-Identifier: GPL-2.0-or-later */

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/*

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 * Common registers for PPC AES implementation

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 *

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 * Copyright (c) 2015 Markus Stockhausen <[email protected]>

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 */

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#define rKS r0	/* copy of en-/decryption key pointer			*/

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#define rDP r3	/* destination pointer					*/

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#define rSP r4	/* source pointer					*/

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#define rKP r5	/* pointer to en-/decryption key pointer		*/

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#define rRR r6	/* en-/decryption rounds				*/

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#define rLN r7	/* length of data to be processed			*/

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#define rIP r8	/* potiner to IV (CBC/CTR/XTS modes)			*/

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#define rKT r9	/* pointer to tweak key (XTS mode)			*/

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#define rT0 r11	/* pointers to en-/decryption tables			*/

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#define rT1 r10

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#define rD0 r9	/* data 						*/

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#define rD1 r14

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#define rD2 r12

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#define rD3 r15

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#define rW0 r16	/* working registers					*/

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#define rW1 r17

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#define rW2 r18

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#define rW3 r19

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#define rW4 r20

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#define rW5 r21

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#define rW6 r22

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#define rW7 r23

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#define rI0 r24	/* IV							*/

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#define rI1 r25

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#define rI2 r26

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#define rI3 r27

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#define rG0 r28	/* endian reversed tweak (XTS mode)			*/

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#define rG1 r29

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#define rG2 r30

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#define rG3 r31

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