diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/multiarch/sha512-crop.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/multiarch/sha512-crop.S | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/multiarch/sha512-crop.S b/sysdeps/sparc/sparc64/multiarch/sha512-crop.S new file mode 100644 index 0000000000..efd8ae3cde --- /dev/null +++ b/sysdeps/sparc/sparc64/multiarch/sha512-crop.S @@ -0,0 +1,131 @@ +/* SHA512 using sparc crypto opcodes. + Copyright (C) 2012 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 SHA512 \ + .word 0x81b02860; + + .text + .align 32 +ENTRY(__sha512_process_block_crop) + /* %o0=buffer, %o1=len, %o2=CTX */ + ldx [%o2 + 0x48], %g1 + add %g1, %o1, %o4 + stx %o4, [%o2 + 0x48] + cmp %o4, %g1 + bgeu,pt %xcc, 1f + nop + ldx [%o2 + 0x40], %g1 + add %g1, 1, %g1 + stx %g1, [%o2 + 0x40] + +1: ldd [%o2 + 0x00], %f0 + ldd [%o2 + 0x08], %f2 + ldd [%o2 + 0x10], %f4 + ldd [%o2 + 0x18], %f6 + ldd [%o2 + 0x20], %f8 + ldd [%o2 + 0x28], %f10 + andcc %o1, 0x7, %g0 + ldd [%o2 + 0x30], %f12 + bne,pn %xcc, 10f + ldd [%o2 + 0x38], %f14 + +1: + ldd [%o0 + 0x00], %f16 + ldd [%o0 + 0x08], %f18 + ldd [%o0 + 0x10], %f20 + ldd [%o0 + 0x18], %f22 + ldd [%o0 + 0x20], %f24 + ldd [%o0 + 0x28], %f26 + ldd [%o0 + 0x30], %f28 + ldd [%o0 + 0x38], %f30 + ldd [%o0 + 0x40], %f32 + ldd [%o0 + 0x48], %f34 + ldd [%o0 + 0x50], %f36 + ldd [%o0 + 0x58], %f38 + ldd [%o0 + 0x60], %f40 + ldd [%o0 + 0x68], %f42 + ldd [%o0 + 0x70], %f44 + ldd [%o0 + 0x78], %f46 + + SHA512 + + subcc %o1, 0x80, %o1 + bne,pt %xcc, 1b + add %o0, 0x80, %o0 + +5: + std %f0, [%o2 + 0x00] + std %f2, [%o2 + 0x08] + std %f4, [%o2 + 0x10] + std %f6, [%o2 + 0x18] + std %f8, [%o2 + 0x20] + std %f10, [%o2 + 0x28] + std %f12, [%o2 + 0x30] + retl + std %f14, [%o2 + 0x38] +10: + alignaddr %o0, %g0, %o0 + + ldd [%o0 + 0x00], %f18 +1: + ldd [%o0 + 0x08], %f20 + ldd [%o0 + 0x10], %f22 + ldd [%o0 + 0x18], %f24 + ldd [%o0 + 0x20], %f26 + ldd [%o0 + 0x28], %f28 + ldd [%o0 + 0x30], %f30 + ldd [%o0 + 0x38], %f32 + ldd [%o0 + 0x40], %f34 + ldd [%o0 + 0x48], %f36 + ldd [%o0 + 0x50], %f38 + ldd [%o0 + 0x58], %f40 + ldd [%o0 + 0x60], %f42 + ldd [%o0 + 0x68], %f44 + ldd [%o0 + 0x70], %f46 + ldd [%o0 + 0x78], %f48 + ldd [%o0 + 0x80], %f50 + + faligndata %f18, %f20, %f16 + faligndata %f20, %f22, %f18 + faligndata %f22, %f24, %f20 + faligndata %f24, %f26, %f22 + faligndata %f26, %f28, %f24 + faligndata %f28, %f30, %f26 + faligndata %f30, %f32, %f28 + faligndata %f32, %f34, %f30 + faligndata %f34, %f36, %f32 + faligndata %f36, %f38, %f34 + faligndata %f38, %f40, %f36 + faligndata %f40, %f42, %f38 + faligndata %f42, %f44, %f40 + faligndata %f44, %f46, %f42 + faligndata %f46, %f48, %f44 + faligndata %f48, %f50, %f46 + + SHA512 + + subcc %o1, 0x80, %o1 + fsrc2 %f50, %f18 + bne,pt %xcc, 1b + add %o0, 0x80, %o0 + + ba,a,pt %xcc, 5b +END(__sha512_process_block_crop) |