| Jussi Kivilinna | cba1cce | 2012-10-20 15:06:41 +0300 | [diff] [blame^] | 1 | /* |
| 2 | * Shared glue code for 128bit block ciphers, AVX assembler macros |
| 3 | * |
| 4 | * Copyright (c) 2012 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | */ |
| 17 | |
| 18 | #define load_8way(src, x0, x1, x2, x3, x4, x5, x6, x7) \ |
| 19 | vmovdqu (0*16)(src), x0; \ |
| 20 | vmovdqu (1*16)(src), x1; \ |
| 21 | vmovdqu (2*16)(src), x2; \ |
| 22 | vmovdqu (3*16)(src), x3; \ |
| 23 | vmovdqu (4*16)(src), x4; \ |
| 24 | vmovdqu (5*16)(src), x5; \ |
| 25 | vmovdqu (6*16)(src), x6; \ |
| 26 | vmovdqu (7*16)(src), x7; |
| 27 | |
| 28 | #define store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7) \ |
| 29 | vmovdqu x0, (0*16)(dst); \ |
| 30 | vmovdqu x1, (1*16)(dst); \ |
| 31 | vmovdqu x2, (2*16)(dst); \ |
| 32 | vmovdqu x3, (3*16)(dst); \ |
| 33 | vmovdqu x4, (4*16)(dst); \ |
| 34 | vmovdqu x5, (5*16)(dst); \ |
| 35 | vmovdqu x6, (6*16)(dst); \ |
| 36 | vmovdqu x7, (7*16)(dst); |
| 37 | |
| 38 | #define store_cbc_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \ |
| 39 | vpxor (0*16)(src), x1, x1; \ |
| 40 | vpxor (1*16)(src), x2, x2; \ |
| 41 | vpxor (2*16)(src), x3, x3; \ |
| 42 | vpxor (3*16)(src), x4, x4; \ |
| 43 | vpxor (4*16)(src), x5, x5; \ |
| 44 | vpxor (5*16)(src), x6, x6; \ |
| 45 | vpxor (6*16)(src), x7, x7; \ |
| 46 | store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7); |
| 47 | |
| 48 | #define inc_le128(x, minus_one, tmp) \ |
| 49 | vpcmpeqq minus_one, x, tmp; \ |
| 50 | vpsubq minus_one, x, x; \ |
| 51 | vpslldq $8, tmp, tmp; \ |
| 52 | vpsubq tmp, x, x; |
| 53 | |
| 54 | #define load_ctr_8way(iv, bswap, x0, x1, x2, x3, x4, x5, x6, x7, t0, t1, t2) \ |
| 55 | vpcmpeqd t0, t0, t0; \ |
| 56 | vpsrldq $8, t0, t0; /* low: -1, high: 0 */ \ |
| 57 | vmovdqa bswap, t1; \ |
| 58 | \ |
| 59 | /* load IV and byteswap */ \ |
| 60 | vmovdqu (iv), x7; \ |
| 61 | vpshufb t1, x7, x0; \ |
| 62 | \ |
| 63 | /* construct IVs */ \ |
| 64 | inc_le128(x7, t0, t2); \ |
| 65 | vpshufb t1, x7, x1; \ |
| 66 | inc_le128(x7, t0, t2); \ |
| 67 | vpshufb t1, x7, x2; \ |
| 68 | inc_le128(x7, t0, t2); \ |
| 69 | vpshufb t1, x7, x3; \ |
| 70 | inc_le128(x7, t0, t2); \ |
| 71 | vpshufb t1, x7, x4; \ |
| 72 | inc_le128(x7, t0, t2); \ |
| 73 | vpshufb t1, x7, x5; \ |
| 74 | inc_le128(x7, t0, t2); \ |
| 75 | vpshufb t1, x7, x6; \ |
| 76 | inc_le128(x7, t0, t2); \ |
| 77 | vmovdqa x7, t2; \ |
| 78 | vpshufb t1, x7, x7; \ |
| 79 | inc_le128(t2, t0, t1); \ |
| 80 | vmovdqu t2, (iv); |
| 81 | |
| 82 | #define store_ctr_8way(src, dst, x0, x1, x2, x3, x4, x5, x6, x7) \ |
| 83 | vpxor (0*16)(src), x0, x0; \ |
| 84 | vpxor (1*16)(src), x1, x1; \ |
| 85 | vpxor (2*16)(src), x2, x2; \ |
| 86 | vpxor (3*16)(src), x3, x3; \ |
| 87 | vpxor (4*16)(src), x4, x4; \ |
| 88 | vpxor (5*16)(src), x5, x5; \ |
| 89 | vpxor (6*16)(src), x6, x6; \ |
| 90 | vpxor (7*16)(src), x7, x7; \ |
| 91 | store_8way(dst, x0, x1, x2, x3, x4, x5, x6, x7); |