arch/sparc/crypto/aes_asm.S


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/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/visasm.h>

#include "opcodes.h"

#define ENCRYPT_TWO_ROUNDS(KEY_BASE, I0, I1, T0, T1) \
	AES_EROUND01(KEY_BASE +  0, I0, I1, T0) \
	AES_EROUND23(KEY_BASE +  2, I0, I1, T1) \
	AES_EROUND01(KEY_BASE +  4, T0, T1, I0) \
	AES_EROUND23(KEY_BASE +  6, T0, T1, I1)

#define ENCRYPT_TWO_ROUNDS_2(KEY_BASE, I0, I1, I2, I3, T0, T1, T2, T3) \
	AES_EROUND01(KEY_BASE +  0, I0, I1, T0) \
	AES_EROUND23(KEY_BASE +  2, I0, I1, T1) \
	AES_EROUND01(KEY_BASE +  0, I2, I3, T2) \
	AES_EROUND23(KEY_BASE +  2, I2, I3, T3) \
	AES_EROUND01(KEY_BASE +  4, T0, T1, I0) \
	AES_EROUND23(KEY_BASE +  6, T0, T1, I1) \
	AES_EROUND01(KEY_BASE +  4, T2, T3, I2) \
	AES_EROUND23(KEY_BASE +  6, T2, T3, I3)

#define ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE, I0, I1, T0, T1) \
	AES_EROUND01(KEY_BASE +  0, I0, I1, T0) \
	AES_EROUND23(KEY_BASE +  2, I0, I1, T1) \
	AES_EROUND01_L(KEY_BASE +  4, T0, T1, I0) \
	AES_EROUND23_L(KEY_BASE +  6, T0, T1, I1)

#define ENCRYPT_TWO_ROUNDS_LAST_2(KEY_BASE, I0, I1, I2, I3, T0, T1, T2, T3) \
	AES_EROUND01(KEY_BASE +  0, I0, I1, T0) \
	AES_EROUND23(KEY_BASE +  2, I0, I1, T1) \
	AES_EROUND01(KEY_BASE +  0, I2, I3, T2) \
	AES_EROUND23(KEY_BASE +  2, I2, I3, T3) \
	AES_EROUND01_L(KEY_BASE +  4, T0, T1, I0) \
	AES_EROUND23_L(KEY_BASE +  6, T0, T1, I1) \
	AES_EROUND01_L(KEY_BASE +  4, T2, T3, I2) \
	AES_EROUND23_L(KEY_BASE +  6, T2, T3, I3)

	/* 10 rounds */
#define ENCRYPT_128(KEY_BASE, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE +  0, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE +  8, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 32, I0, I1, T0, T1)

#define ENCRYPT_128_2(KEY_BASE, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE +  0, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE +  8, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE + 16, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE + 24, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_LAST_2(KEY_BASE + 32, I0, I1, I2, I3, T0, T1, T2, T3)

	/* 12 rounds */
#define ENCRYPT_192(KEY_BASE, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE +  0, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE +  8, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 32, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 40, I0, I1, T0, T1)

#define ENCRYPT_192_2(KEY_BASE, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE +  0, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE +  8, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE + 16, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE + 24, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE + 32, I0, I1, I2, I3, T0, T1, T2, T3) \
	ENCRYPT_TWO_ROUNDS_LAST_2(KEY_BASE + 40, I0, I1, I2, I3, T0, T1, T2, T3)

	/* 14 rounds */
#define ENCRYPT_256(KEY_BASE, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE +  0, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE +  8, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 32, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS(KEY_BASE + 40, I0, I1, T0, T1) \
	ENCRYPT_TWO_ROUNDS_LAST(KEY_BASE + 48, I0, I1, T0, T1)

#define ENCRYPT_256_TWO_ROUNDS_2(KEY_BASE, I0, I1, I2, I3, TMP_BASE) \
	ENCRYPT_TWO_ROUNDS_2(KEY_BASE, I0, I1, I2, I3, \
			     TMP_BASE + 0, TMP_BASE + 2, TMP_BASE + 4, TMP_BASE + 6)

#define ENCRYPT_256_2(KEY_BASE, I0, I1, I2, I3) \
	ENCRYPT_256_TWO_ROUNDS_2(KEY_BASE +  0, I0, I1, I2, I3, KEY_BASE + 48) \
	ldd	[%o0 + 0xd0], %f56; \
	ldd	[%o0 + 0xd8], %f58; \
	ENCRYPT_256_TWO_ROUNDS_2(KEY_BASE +  8, I0, I1, I2, I3, KEY_BASE +  0) \
	ldd	[%o0 + 0xe0], %f60; \
	ldd	[%o0 + 0xe8], %f62; \
	ENCRYPT_256_TWO_ROUNDS_2(KEY_BASE + 16, I0, I1, I2, I3, KEY_BASE +  0) \
	ENCRYPT_256_TWO_ROUNDS_2(KEY_BASE + 24, I0, I1, I2, I3, KEY_BASE +  0) \
	ENCRYPT_256_TWO_ROUNDS_2(KEY_BASE + 32, I0, I1, I2, I3, KEY_BASE +  0) \
	ENCRYPT_256_TWO_ROUNDS_2(KEY_BASE + 40, I0, I1, I2, I3, KEY_BASE +  0) \
	AES_EROUND01(KEY_BASE +  48, I0, I1, KEY_BASE + 0) \
	AES_EROUND23(KEY_BASE +  50, I0, I1, KEY_BASE + 2) \
	AES_EROUND01(KEY_BASE +  48, I2, I3, KEY_BASE + 4) \
	AES_EROUND23(KEY_BASE +  50, I2, I3, KEY_BASE + 6) \
	AES_EROUND01_L(KEY_BASE +  52, KEY_BASE + 0, KEY_BASE + 2, I0) \
	AES_EROUND23_L(KEY_BASE +  54, KEY_BASE + 0, KEY_BASE + 2, I1) \
	ldd	[%o0 + 0x10], %f8; \
	ldd	[%o0 + 0x18], %f10; \
	AES_EROUND01_L(KEY_BASE +  52, KEY_BASE + 4, KEY_BASE + 6, I2) \
	AES_EROUND23_L(KEY_BASE +  54, KEY_BASE + 4, KEY_BASE + 6, I3) \
	ldd	[%o0 + 0x20], %f12; \
	ldd	[%o0 + 0x28], %f14;

#define DECRYPT_TWO_ROUNDS(KEY_BASE, I0, I1, T0, T1) \
	AES_DROUND23(KEY_BASE +  0, I0, I1, T1) \
	AES_DROUND01(KEY_BASE +  2, I0, I1, T0) \
	AES_DROUND23(KEY_BASE +  4, T0, T1, I1) \
	AES_DROUND01(KEY_BASE +  6, T0, T1, I0)

#define DECRYPT_TWO_ROUNDS_2(KEY_BASE, I0, I1, I2, I3, T0, T1, T2, T3) \
	AES_DROUND23(KEY_BASE +  0, I0, I1, T1) \
	AES_DROUND01(KEY_BASE +  2, I0, I1, T0) \
	AES_DROUND23(KEY_BASE +  0, I2, I3, T3) \
	AES_DROUND01(KEY_BASE +  2, I2, I3, T2) \
	AES_DROUND23(KEY_BASE +  4, T0, T1, I1) \
	AES_DROUND01(KEY_BASE +  6, T0, T1, I0) \
	AES_DROUND23(KEY_BASE +  4, T2, T3, I3) \
	AES_DROUND01(KEY_BASE +  6, T2, T3, I2)

#define DECRYPT_TWO_ROUNDS_LAST(KEY_BASE, I0, I1, T0, T1) \
	AES_DROUND23(KEY_BASE +  0, I0, I1, T1) \
	AES_DROUND01(KEY_BASE +  2, I0, I1, T0) \
	AES_DROUND23_L(KEY_BASE +  4, T0, T1, I1) \
	AES_DROUND01_L(KEY_BASE +  6, T0, T1, I0)

#define DECRYPT_TWO_ROUNDS_LAST_2(KEY_BASE, I0, I1, I2, I3, T0, T1, T2, T3) \
	AES_DROUND23(KEY_BASE +  0, I0, I1, T1) \
	AES_DROUND01(KEY_BASE +  2, I0, I1, T0) \
	AES_DROUND23(KEY_BASE +  0, I2, I3, T3) \
	AES_DROUND01(KEY_BASE +  2, I2, I3, T2) \
	AES_DROUND23_L(KEY_BASE +  4, T0, T1, I1) \
	AES_DROUND01_L(KEY_BASE +  6, T0, T1, I0) \
	AES_DROUND23_L(KEY_BASE +  4, T2, T3, I3) \
	AES_DROUND01_L(KEY_BASE +  6, T2, T3, I2)

	/* 10 rounds */
#define DECRYPT_128(KEY_BASE, I0, I1, T0, T1) \
	DECRYPT_TWO_ROUNDS(KEY_BASE +  0, I0, I1, T0, T1) \
	DECRYPT_TWO_ROUNDS(KEY_BASE +  8, I0, I1, T0, T1) \
	DECRYPT_TWO_ROUNDS(KEY_BASE + 16, I0, I1, T0, T1) \
	DECRYPT_TWO_ROUNDS(KEY_BASE + 24, I0, I1, T0, T1) \
	DECRYPT_TWO_ROUNDS_LAST(KEY_BASE + 32, I0, I1, T0, T1)

#define DECRYPT_128_2(KEY_BASE, I0, I1, I2, I3, T0, T1, T2, T3) \
	DECRYPT_TWO_ROUNDS_2(KEY_BASE +  0, I0, I1, I2, I3, T0, T1, T2, T3) \
	DECRYPT_TWO_ROUNDS_2(KEY_BASE +  8, I0, I1, I2, I3, T0, T1, T2, T3) \
	DECRYPT_TWO_ROUNDS_2(KEY_BASE + 16, I0, I1, I2, I3, T0, T1, T2, T3) \
	DECRYPT_TWO_ROUNDS_2(KEY_BASE + 24, I0, I1, I2, I3, T0, T1, T2, T3) \
	DECRYPT_TWO_ROUNDS_LAST_2(KEY_BASE + 32, I0, I1, I2, I3, T0, T1, T2, T3)

	/* 12 rounds */
#defin