| /* SHA256 using sparc crypto opcodes. |
| Copyright (C) 2012-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by David S. Miller (davem@davemloft.net) |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| |
| #define SHA256 \ |
| .word 0x81b02840; |
| |
| .text |
| .align 32 |
| ENTRY(__sha256_process_block_crop) |
| /* %o0=buffer, %o1=len, %o2=CTX */ |
| ldx [%o2 + 0x20], %g1 |
| add %g1, %o1, %g1 |
| stx %g1, [%o2 + 0x20] |
| |
| ld [%o2 + 0x00], %f0 |
| ld [%o2 + 0x04], %f1 |
| ld [%o2 + 0x08], %f2 |
| ld [%o2 + 0x0c], %f3 |
| ld [%o2 + 0x10], %f4 |
| ld [%o2 + 0x14], %f5 |
| andcc %o1, 0x7, %g0 |
| ld [%o2 + 0x18], %f6 |
| bne,pn %xcc, 10f |
| ld [%o2 + 0x1c], %f7 |
| |
| 1: |
| ldd [%o0 + 0x00], %f8 |
| ldd [%o0 + 0x08], %f10 |
| ldd [%o0 + 0x10], %f12 |
| ldd [%o0 + 0x18], %f14 |
| ldd [%o0 + 0x20], %f16 |
| ldd [%o0 + 0x28], %f18 |
| ldd [%o0 + 0x30], %f20 |
| ldd [%o0 + 0x38], %f22 |
| |
| SHA256 |
| |
| subcc %o1, 0x40, %o1 |
| bne,pt %xcc, 1b |
| add %o0, 0x40, %o0 |
| |
| 5: |
| st %f0, [%o2 + 0x00] |
| st %f1, [%o2 + 0x04] |
| st %f2, [%o2 + 0x08] |
| st %f3, [%o2 + 0x0c] |
| st %f4, [%o2 + 0x10] |
| st %f5, [%o2 + 0x14] |
| st %f6, [%o2 + 0x18] |
| retl |
| st %f7, [%o2 + 0x1c] |
| 10: |
| alignaddr %o0, %g0, %o0 |
| |
| ldd [%o0 + 0x00], %f10 |
| 1: |
| ldd [%o0 + 0x08], %f12 |
| ldd [%o0 + 0x10], %f14 |
| ldd [%o0 + 0x18], %f16 |
| ldd [%o0 + 0x20], %f18 |
| ldd [%o0 + 0x28], %f20 |
| ldd [%o0 + 0x30], %f22 |
| ldd [%o0 + 0x38], %f24 |
| ldd [%o0 + 0x40], %f26 |
| |
| faligndata %f10, %f12, %f8 |
| faligndata %f12, %f14, %f10 |
| faligndata %f14, %f16, %f12 |
| faligndata %f16, %f18, %f14 |
| faligndata %f18, %f20, %f16 |
| faligndata %f20, %f22, %f18 |
| faligndata %f22, %f24, %f20 |
| faligndata %f24, %f26, %f22 |
| |
| SHA256 |
| |
| subcc %o1, 0x40, %o1 |
| fsrc2 %f26, %f10 |
| bne,pt %xcc, 1b |
| add %o0, 0x40, %o0 |
| |
| ba,a,pt %xcc, 5b |
| END(__sha256_process_block_crop) |
