glibc/sysdeps/sparc/sparc64/multiarch/sha512-crop.S
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132 lines
3.1 KiB
ArmAsm

/* SHA512 using sparc crypto opcodes.
Copyright (C) 2012-2018 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)