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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/x86/crypto/glue_helper-asm-avx.S | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/crypto/glue_helper-asm-avx.S')
-rw-r--r-- | arch/x86/crypto/glue_helper-asm-avx.S | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/arch/x86/crypto/glue_helper-asm-avx.S b/arch/x86/crypto/glue_helper-asm-avx.S new file mode 100644 index 000000000..d08fc575e --- /dev/null +++ b/arch/x86/crypto/glue_helper-asm-avx.S @@ -0,0 +1,140 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Shared glue code for 128bit block ciphers, AVX assembler macros + * + * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> + */ + +#define load_8way(src, x0, x1, x2, x3, x4, x5, x6, x7) \ + vmovdqu (0*16)(src), x0; \ + vmovdqu (1*16)(src), x1; \ + vmovdqu (2*16)(src), x2; \ + vmovdqu (3*16)(src), x3; \ + vmovdqu (4*16)(src), x4; \ + vmovdqu (5*16)(src), x5; \ + vmovdqu (6*16)(src), x6; \ + vmovdqu (7*16)(src), x7; + +#define store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7) \ + vmovdqu x0, (0*16)(dst); \ + vmovdqu x1, (1*16)(dst); \ + vmovdqu x2, (2*16)(dst); \ + vmovdqu x3, (3*16)(dst); \ + vmovdqu x4, (4*16)(dst); \ + vmovdqu x5, (5*16)(dst); \ + vmovdqu x6, (6*16)(dst); \ + vmovdqu x7, (7*16)(dst); + +#define store_cbc_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \ + vpxor (0*16)(src), x1, x1; \ + vpxor (1*16)(src), x2, x2; \ + vpxor (2*16)(src), x3, x3; \ + vpxor (3*16)(src), x4, x4; \ + vpxor (4*16)(src), x5, x5; \ + vpxor (5*16)(src), x6, x6; \ + vpxor (6*16)(src), x7, x7; \ + store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7); + +#define inc_le128(x, minus_one, tmp) \ + vpcmpeqq minus_one, x, tmp; \ + vpsubq minus_one, x, x; \ + vpslldq $8, tmp, tmp; \ + vpsubq tmp, x, x; + +#define load_ctr_8way(iv, bswap, x0, x1, x2, x3, x4, x5, x6, x7, t0, t1, t2) \ + vpcmpeqd t0, t0, t0; \ + vpsrldq $8, t0, t0; /* low: -1, high: 0 */ \ + vmovdqa bswap, t1; \ + \ + /* load IV and byteswap */ \ + vmovdqu (iv), x7; \ + vpshufb t1, x7, x0; \ + \ + /* construct IVs */ \ + inc_le128(x7, t0, t2); \ + vpshufb t1, x7, x1; \ + inc_le128(x7, t0, t2); \ + vpshufb t1, x7, x2; \ + inc_le128(x7, t0, t2); \ + vpshufb t1, x7, x3; \ + inc_le128(x7, t0, t2); \ + vpshufb t1, x7, x4; \ + inc_le128(x7, t0, t2); \ + vpshufb t1, x7, x5; \ + inc_le128(x7, t0, t2); \ + vpshufb t1, x7, x6; \ + inc_le128(x7, t0, t2); \ + vmovdqa x7, t2; \ + vpshufb t1, x7, x7; \ + inc_le128(t2, t0, t1); \ + vmovdqu t2, (iv); + +#define store_ctr_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \ + vpxor (0*16)(src), x0, x0; \ + vpxor (1*16)(src), x1, x1; \ + vpxor (2*16)(src), x2, x2; \ + vpxor (3*16)(src), x3, x3; \ + vpxor (4*16)(src), x4, x4; \ + vpxor (5*16)(src), x5, x5; \ + vpxor (6*16)(src), x6, x6; \ + vpxor (7*16)(src), x7, x7; \ + store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7); + +#define gf128mul_x_ble(iv, mask, tmp) \ + vpsrad $31, iv, tmp; \ + vpaddq iv, iv, iv; \ + vpshufd $0x13, tmp, tmp; \ + vpand mask, tmp, tmp; \ + vpxor tmp, iv, iv; + +#define load_xts_8way(iv, src, dst, x0, x1, x2, x3, x4, x5, x6, x7, tiv, t0, \ + t1, xts_gf128mul_and_shl1_mask) \ + vmovdqa xts_gf128mul_and_shl1_mask, t0; \ + \ + /* load IV */ \ + vmovdqu (iv), tiv; \ + vpxor (0*16)(src), tiv, x0; \ + vmovdqu tiv, (0*16)(dst); \ + \ + /* construct and store IVs, also xor with source */ \ + gf128mul_x_ble(tiv, t0, t1); \ + vpxor (1*16)(src), tiv, x1; \ + vmovdqu tiv, (1*16)(dst); \ + \ + gf128mul_x_ble(tiv, t0, t1); \ + vpxor (2*16)(src), tiv, x2; \ + vmovdqu tiv, (2*16)(dst); \ + \ + gf128mul_x_ble(tiv, t0, t1); \ + vpxor (3*16)(src), tiv, x3; \ + vmovdqu tiv, (3*16)(dst); \ + \ + gf128mul_x_ble(tiv, t0, t1); \ + vpxor (4*16)(src), tiv, x4; \ + vmovdqu tiv, (4*16)(dst); \ + \ + gf128mul_x_ble(tiv, t0, t1); \ + vpxor (5*16)(src), tiv, x5; \ + vmovdqu tiv, (5*16)(dst); \ + \ + gf128mul_x_ble(tiv, t0, t1); \ + vpxor (6*16)(src), tiv, x6; \ + vmovdqu tiv, (6*16)(dst); \ + \ + gf128mul_x_ble(tiv, t0, t1); \ + vpxor (7*16)(src), tiv, x7; \ + vmovdqu tiv, (7*16)(dst); \ + \ + gf128mul_x_ble(tiv, t0, t1); \ + vmovdqu tiv, (iv); + +#define store_xts_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7) \ + vpxor (0*16)(dst), x0, x0; \ + vpxor (1*16)(dst), x1, x1; \ + vpxor (2*16)(dst), x2, x2; \ + vpxor (3*16)(dst), x3, x3; \ + vpxor (4*16)(dst), x4, x4; \ + vpxor (5*16)(dst), x5, x5; \ + vpxor (6*16)(dst), x6, x6; \ + vpxor (7*16)(dst), x7, x7; \ + store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7); |