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c942fddf87
Based on 3 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 as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
141 lines
3.7 KiB
ArmAsm
141 lines
3.7 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Shared glue code for 128bit block ciphers, AVX assembler macros
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*
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* Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
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*/
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#define load_8way(src, x0, x1, x2, x3, x4, x5, x6, x7) \
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vmovdqu (0*16)(src), x0; \
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vmovdqu (1*16)(src), x1; \
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vmovdqu (2*16)(src), x2; \
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vmovdqu (3*16)(src), x3; \
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vmovdqu (4*16)(src), x4; \
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vmovdqu (5*16)(src), x5; \
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vmovdqu (6*16)(src), x6; \
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vmovdqu (7*16)(src), x7;
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#define store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7) \
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vmovdqu x0, (0*16)(dst); \
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vmovdqu x1, (1*16)(dst); \
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vmovdqu x2, (2*16)(dst); \
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vmovdqu x3, (3*16)(dst); \
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vmovdqu x4, (4*16)(dst); \
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vmovdqu x5, (5*16)(dst); \
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vmovdqu x6, (6*16)(dst); \
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vmovdqu x7, (7*16)(dst);
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#define store_cbc_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \
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vpxor (0*16)(src), x1, x1; \
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vpxor (1*16)(src), x2, x2; \
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vpxor (2*16)(src), x3, x3; \
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vpxor (3*16)(src), x4, x4; \
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vpxor (4*16)(src), x5, x5; \
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vpxor (5*16)(src), x6, x6; \
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vpxor (6*16)(src), x7, x7; \
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store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7);
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#define inc_le128(x, minus_one, tmp) \
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vpcmpeqq minus_one, x, tmp; \
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vpsubq minus_one, x, x; \
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vpslldq $8, tmp, tmp; \
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vpsubq tmp, x, x;
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#define load_ctr_8way(iv, bswap, x0, x1, x2, x3, x4, x5, x6, x7, t0, t1, t2) \
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vpcmpeqd t0, t0, t0; \
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vpsrldq $8, t0, t0; /* low: -1, high: 0 */ \
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vmovdqa bswap, t1; \
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\
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/* load IV and byteswap */ \
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vmovdqu (iv), x7; \
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vpshufb t1, x7, x0; \
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\
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/* construct IVs */ \
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inc_le128(x7, t0, t2); \
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vpshufb t1, x7, x1; \
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inc_le128(x7, t0, t2); \
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vpshufb t1, x7, x2; \
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inc_le128(x7, t0, t2); \
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vpshufb t1, x7, x3; \
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inc_le128(x7, t0, t2); \
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vpshufb t1, x7, x4; \
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inc_le128(x7, t0, t2); \
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vpshufb t1, x7, x5; \
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inc_le128(x7, t0, t2); \
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vpshufb t1, x7, x6; \
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inc_le128(x7, t0, t2); \
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vmovdqa x7, t2; \
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vpshufb t1, x7, x7; \
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inc_le128(t2, t0, t1); \
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vmovdqu t2, (iv);
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#define store_ctr_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \
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vpxor (0*16)(src), x0, x0; \
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vpxor (1*16)(src), x1, x1; \
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vpxor (2*16)(src), x2, x2; \
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vpxor (3*16)(src), x3, x3; \
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vpxor (4*16)(src), x4, x4; \
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vpxor (5*16)(src), x5, x5; \
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vpxor (6*16)(src), x6, x6; \
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vpxor (7*16)(src), x7, x7; \
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store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7);
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#define gf128mul_x_ble(iv, mask, tmp) \
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vpsrad $31, iv, tmp; \
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vpaddq iv, iv, iv; \
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vpshufd $0x13, tmp, tmp; \
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vpand mask, tmp, tmp; \
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vpxor tmp, iv, iv;
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#define load_xts_8way(iv, src, dst, x0, x1, x2, x3, x4, x5, x6, x7, tiv, t0, \
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t1, xts_gf128mul_and_shl1_mask) \
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vmovdqa xts_gf128mul_and_shl1_mask, t0; \
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\
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/* load IV */ \
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vmovdqu (iv), tiv; \
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vpxor (0*16)(src), tiv, x0; \
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vmovdqu tiv, (0*16)(dst); \
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\
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/* construct and store IVs, also xor with source */ \
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gf128mul_x_ble(tiv, t0, t1); \
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vpxor (1*16)(src), tiv, x1; \
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vmovdqu tiv, (1*16)(dst); \
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\
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gf128mul_x_ble(tiv, t0, t1); \
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vpxor (2*16)(src), tiv, x2; \
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vmovdqu tiv, (2*16)(dst); \
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\
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gf128mul_x_ble(tiv, t0, t1); \
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vpxor (3*16)(src), tiv, x3; \
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vmovdqu tiv, (3*16)(dst); \
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\
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gf128mul_x_ble(tiv, t0, t1); \
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vpxor (4*16)(src), tiv, x4; \
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vmovdqu tiv, (4*16)(dst); \
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\
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gf128mul_x_ble(tiv, t0, t1); \
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vpxor (5*16)(src), tiv, x5; \
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vmovdqu tiv, (5*16)(dst); \
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\
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gf128mul_x_ble(tiv, t0, t1); \
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vpxor (6*16)(src), tiv, x6; \
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vmovdqu tiv, (6*16)(dst); \
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\
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gf128mul_x_ble(tiv, t0, t1); \
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vpxor (7*16)(src), tiv, x7; \
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vmovdqu tiv, (7*16)(dst); \
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\
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gf128mul_x_ble(tiv, t0, t1); \
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vmovdqu tiv, (iv);
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#define store_xts_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7) \
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vpxor (0*16)(dst), x0, x0; \
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vpxor (1*16)(dst), x1, x1; \
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vpxor (2*16)(dst), x2, x2; \
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vpxor (3*16)(dst), x3, x3; \
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vpxor (4*16)(dst), x4, x4; \
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vpxor (5*16)(dst), x5, x5; \
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vpxor (6*16)(dst), x6, x6; \
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vpxor (7*16)(dst), x7, x7; \
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store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7);
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