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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d2912cb15b
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
85 lines
1.6 KiB
ArmAsm
85 lines
1.6 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2013 - 2017 Linaro Ltd <ard.biesheuvel@linaro.org>
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*/
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#include <linux/linkage.h>
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#include <asm/assembler.h>
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.arch armv8-a+crypto
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ENTRY(__aes_ce_encrypt)
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sub w3, w3, #2
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ld1 {v0.16b}, [x2]
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ld1 {v1.4s}, [x0], #16
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cmp w3, #10
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bmi 0f
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bne 3f
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mov v3.16b, v1.16b
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b 2f
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0: mov v2.16b, v1.16b
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ld1 {v3.4s}, [x0], #16
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1: aese v0.16b, v2.16b
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aesmc v0.16b, v0.16b
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2: ld1 {v1.4s}, [x0], #16
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aese v0.16b, v3.16b
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aesmc v0.16b, v0.16b
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3: ld1 {v2.4s}, [x0], #16
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subs w3, w3, #3
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aese v0.16b, v1.16b
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aesmc v0.16b, v0.16b
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ld1 {v3.4s}, [x0], #16
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bpl 1b
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aese v0.16b, v2.16b
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eor v0.16b, v0.16b, v3.16b
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st1 {v0.16b}, [x1]
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ret
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ENDPROC(__aes_ce_encrypt)
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ENTRY(__aes_ce_decrypt)
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sub w3, w3, #2
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ld1 {v0.16b}, [x2]
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ld1 {v1.4s}, [x0], #16
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cmp w3, #10
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bmi 0f
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bne 3f
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mov v3.16b, v1.16b
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b 2f
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0: mov v2.16b, v1.16b
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ld1 {v3.4s}, [x0], #16
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1: aesd v0.16b, v2.16b
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aesimc v0.16b, v0.16b
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2: ld1 {v1.4s}, [x0], #16
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aesd v0.16b, v3.16b
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aesimc v0.16b, v0.16b
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3: ld1 {v2.4s}, [x0], #16
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subs w3, w3, #3
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aesd v0.16b, v1.16b
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aesimc v0.16b, v0.16b
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ld1 {v3.4s}, [x0], #16
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bpl 1b
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aesd v0.16b, v2.16b
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eor v0.16b, v0.16b, v3.16b
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st1 {v0.16b}, [x1]
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ret
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ENDPROC(__aes_ce_decrypt)
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/*
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* __aes_ce_sub() - use the aese instruction to perform the AES sbox
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* substitution on each byte in 'input'
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*/
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ENTRY(__aes_ce_sub)
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dup v1.4s, w0
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movi v0.16b, #0
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aese v0.16b, v1.16b
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umov w0, v0.s[0]
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ret
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ENDPROC(__aes_ce_sub)
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ENTRY(__aes_ce_invert)
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ld1 {v0.4s}, [x1]
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aesimc v1.16b, v0.16b
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st1 {v1.4s}, [x0]
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ret
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ENDPROC(__aes_ce_invert)
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