projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3a0d900a | 1 | /* SHA256 using sparc crypto opcodes. |
| b168057a | 2 | Copyright (C) 2012-2015 Free Software Foundation, Inc. |
| 3a0d900a DM |
3 | This file is part of the GNU C Library. |
| 4 | Contributed by David S. Miller (davem@davemloft.net) | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Lesser General Public | |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | The GNU C Library 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 GNU | |
| 14 | Lesser General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public | |
| 17 | License along with the GNU C Library; if not, see | |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 20 | #include <sysdep.h> | |
| 21 | ||
| 22 | #define SHA256 \ | |
| 23 | .word 0x81b02840; | |
| 24 | ||
| 25 | .text | |
| 26 | .align 32 | |
| 27 | ENTRY(__sha256_process_block_crop) | |
| 28 | /* %o0=buffer, %o1=len, %o2=CTX */ | |
| 29 | ldx [%o2 + 0x20], %g1 | |
| 30 | add %g1, %o1, %g1 | |
| 31 | stx %g1, [%o2 + 0x20] | |
| 32 | ||
| 33 | ld [%o2 + 0x00], %f0 | |
| 34 | ld [%o2 + 0x04], %f1 | |
| 35 | ld [%o2 + 0x08], %f2 | |
| 36 | ld [%o2 + 0x0c], %f3 | |
| 37 | ld [%o2 + 0x10], %f4 | |
| 38 | ld [%o2 + 0x14], %f5 | |
| 39 | andcc %o1, 0x7, %g0 | |
| 40 | ld [%o2 + 0x18], %f6 | |
| 41 | bne,pn %xcc, 10f | |
| 42 | ld [%o2 + 0x1c], %f7 | |
| 43 | ||
| 44 | 1: | |
| 45 | ldd [%o0 + 0x00], %f8 | |
| 46 | ldd [%o0 + 0x08], %f10 | |
| 47 | ldd [%o0 + 0x10], %f12 | |
| 48 | ldd [%o0 + 0x18], %f14 | |
| 49 | ldd [%o0 + 0x20], %f16 | |
| 50 | ldd [%o0 + 0x28], %f18 | |
| 51 | ldd [%o0 + 0x30], %f20 | |
| 52 | ldd [%o0 + 0x38], %f22 | |
| 53 | ||
| 54 | SHA256 | |
| 55 | ||
| 56 | subcc %o1, 0x40, %o1 | |
| 57 | bne,pt %xcc, 1b | |
| 58 | add %o0, 0x40, %o0 | |
| 59 | ||
| 60 | 5: | |
| 61 | st %f0, [%o2 + 0x00] | |
| 62 | st %f1, [%o2 + 0x04] | |
| 63 | st %f2, [%o2 + 0x08] | |
| 64 | st %f3, [%o2 + 0x0c] | |
| 65 | st %f4, [%o2 + 0x10] | |
| 66 | st %f5, [%o2 + 0x14] | |
| 67 | st %f6, [%o2 + 0x18] | |
| 68 | retl | |
| 69 | st %f7, [%o2 + 0x1c] | |
| 70 | 10: | |
| 71 | alignaddr %o0, %g0, %o0 | |
| 72 | ||
| 73 | ldd [%o0 + 0x00], %f10 | |
| 74 | 1: | |
| 75 | ldd [%o0 + 0x08], %f12 | |
| 76 | ldd [%o0 + 0x10], %f14 | |
| 77 | ldd [%o0 + 0x18], %f16 | |
| 78 | ldd [%o0 + 0x20], %f18 | |
| 79 | ldd [%o0 + 0x28], %f20 | |
| 80 | ldd [%o0 + 0x30], %f22 | |
| 81 | ldd [%o0 + 0x38], %f24 | |
| 82 | ldd [%o0 + 0x40], %f26 | |
| 83 | ||
| 84 | faligndata %f10, %f12, %f8 | |
| 85 | faligndata %f12, %f14, %f10 | |
| 86 | faligndata %f14, %f16, %f12 | |
| 87 | faligndata %f16, %f18, %f14 | |
| 88 | faligndata %f18, %f20, %f16 | |
| 89 | faligndata %f20, %f22, %f18 | |
| 90 | faligndata %f22, %f24, %f20 | |
| 91 | faligndata %f24, %f26, %f22 | |
| 92 | ||
| 93 | SHA256 | |
| 94 | ||
| 95 | subcc %o1, 0x40, %o1 | |
| 96 | fsrc2 %f26, %f10 | |
| 97 | bne,pt %xcc, 1b | |
| 98 | add %o0, 0x40, %o0 | |
| 99 | ||
| 100 | ba,a,pt %xcc, 5b | |
| 101 | END(__sha256_process_block_crop) |