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132 lines
3.1 KiB
ArmAsm
132 lines
3.1 KiB
ArmAsm
/* SHA512 using sparc crypto opcodes.
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Copyright (C) 2012-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David S. Miller (davem@davemloft.net)
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#define SHA512 \
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.word 0x81b02860;
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.text
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.align 32
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ENTRY(__sha512_process_block_crop)
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/* %o0=buffer, %o1=len, %o2=CTX */
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ldx [%o2 + 0x48], %g1
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add %g1, %o1, %o4
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stx %o4, [%o2 + 0x48]
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cmp %o4, %g1
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bgeu,pt %xcc, 1f
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nop
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ldx [%o2 + 0x40], %g1
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add %g1, 1, %g1
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stx %g1, [%o2 + 0x40]
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1: ldd [%o2 + 0x00], %f0
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ldd [%o2 + 0x08], %f2
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ldd [%o2 + 0x10], %f4
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ldd [%o2 + 0x18], %f6
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ldd [%o2 + 0x20], %f8
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ldd [%o2 + 0x28], %f10
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andcc %o1, 0x7, %g0
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ldd [%o2 + 0x30], %f12
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bne,pn %xcc, 10f
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ldd [%o2 + 0x38], %f14
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1:
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ldd [%o0 + 0x00], %f16
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ldd [%o0 + 0x08], %f18
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ldd [%o0 + 0x10], %f20
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ldd [%o0 + 0x18], %f22
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ldd [%o0 + 0x20], %f24
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ldd [%o0 + 0x28], %f26
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ldd [%o0 + 0x30], %f28
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ldd [%o0 + 0x38], %f30
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ldd [%o0 + 0x40], %f32
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ldd [%o0 + 0x48], %f34
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ldd [%o0 + 0x50], %f36
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ldd [%o0 + 0x58], %f38
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ldd [%o0 + 0x60], %f40
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ldd [%o0 + 0x68], %f42
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ldd [%o0 + 0x70], %f44
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ldd [%o0 + 0x78], %f46
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SHA512
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subcc %o1, 0x80, %o1
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bne,pt %xcc, 1b
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add %o0, 0x80, %o0
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5:
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std %f0, [%o2 + 0x00]
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std %f2, [%o2 + 0x08]
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std %f4, [%o2 + 0x10]
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std %f6, [%o2 + 0x18]
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std %f8, [%o2 + 0x20]
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std %f10, [%o2 + 0x28]
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std %f12, [%o2 + 0x30]
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retl
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std %f14, [%o2 + 0x38]
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10:
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alignaddr %o0, %g0, %o0
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ldd [%o0 + 0x00], %f18
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1:
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ldd [%o0 + 0x08], %f20
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ldd [%o0 + 0x10], %f22
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ldd [%o0 + 0x18], %f24
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ldd [%o0 + 0x20], %f26
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ldd [%o0 + 0x28], %f28
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ldd [%o0 + 0x30], %f30
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ldd [%o0 + 0x38], %f32
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ldd [%o0 + 0x40], %f34
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ldd [%o0 + 0x48], %f36
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ldd [%o0 + 0x50], %f38
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ldd [%o0 + 0x58], %f40
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ldd [%o0 + 0x60], %f42
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ldd [%o0 + 0x68], %f44
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ldd [%o0 + 0x70], %f46
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ldd [%o0 + 0x78], %f48
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ldd [%o0 + 0x80], %f50
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faligndata %f18, %f20, %f16
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faligndata %f20, %f22, %f18
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faligndata %f22, %f24, %f20
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faligndata %f24, %f26, %f22
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faligndata %f26, %f28, %f24
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faligndata %f28, %f30, %f26
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faligndata %f30, %f32, %f28
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faligndata %f32, %f34, %f30
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faligndata %f34, %f36, %f32
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faligndata %f36, %f38, %f34
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faligndata %f38, %f40, %f36
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faligndata %f40, %f42, %f38
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faligndata %f42, %f44, %f40
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faligndata %f44, %f46, %f42
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faligndata %f46, %f48, %f44
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faligndata %f48, %f50, %f46
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SHA512
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subcc %o1, 0x80, %o1
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fsrc2 %f50, %f18
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bne,pt %xcc, 1b
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add %o0, 0x80, %o0
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ba,a,pt %xcc, 5b
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END(__sha512_process_block_crop)
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