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CloverBootloader/Library/OpensslLib/openssl-1.0.1e/crypto/modes/asm/ghash-sparcv9.pl
Sergey Isakov 7c0aa811ec initial commit Clover sources 5061 and modules from EDK2 latest with legacy codes from UDK2018 
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
2019-09-03 12:58:42 +03:00

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#!/usr/bin/env perl
# ====================================================================
# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
# project. The module is, however, dual licensed under OpenSSL and
# CRYPTOGAMS licenses depending on where you obtain it. For further
# details see http://www.openssl.org/~appro/cryptogams/.
# ====================================================================
# March 2010
#
# The module implements "4-bit" GCM GHASH function and underlying
# single multiplication operation in GF(2^128). "4-bit" means that it
# uses 256 bytes per-key table [+128 bytes shared table]. Performance
# results are for streamed GHASH subroutine on UltraSPARC pre-Tx CPU
# and are expressed in cycles per processed byte, less is better:
#
# gcc 3.3.x cc 5.2 this assembler
#
# 32-bit build 81.4 43.3 12.6 (+546%/+244%)
# 64-bit build 20.2 21.2 12.6 (+60%/+68%)
#
# Here is data collected on UltraSPARC T1 system running Linux:
#
# gcc 4.4.1 this assembler
#
# 32-bit build 566 50 (+1000%)
# 64-bit build 56 50 (+12%)
#
# I don't quite understand why difference between 32-bit and 64-bit
# compiler-generated code is so big. Compilers *were* instructed to
# generate code for UltraSPARC and should have used 64-bit registers
# for Z vector (see C code) even in 32-bit build... Oh well, it only
# means more impressive improvement coefficients for this assembler
# module;-) Loops are aggressively modulo-scheduled in respect to
# references to input data and Z.hi updates to achieve 12 cycles
# timing. To anchor to something else, sha1-sparcv9.pl spends 11.6
# cycles to process one byte on UltraSPARC pre-Tx CPU and ~24 on T1.
$bits=32;
for (@ARGV) { $bits=64 if (/\-m64/ || /\-xarch\=v9/); }
if ($bits==64) { $bias=2047; $frame=192; }
else { $bias=0; $frame=112; }
$output=shift;
open STDOUT,">$output";
$Zhi="%o0"; # 64-bit values
$Zlo="%o1";
$Thi="%o2";
$Tlo="%o3";
$rem="%o4";
$tmp="%o5";
$nhi="%l0"; # small values and pointers
$nlo="%l1";
$xi0="%l2";
$xi1="%l3";
$rem_4bit="%l4";
$remi="%l5";
$Htblo="%l6";
$cnt="%l7";
$Xi="%i0"; # input argument block
$Htbl="%i1";
$inp="%i2";
$len="%i3";
$code.=<<___;
.section ".text",#alloc,#execinstr
.align 64
rem_4bit:
.long `0x0000<<16`,0,`0x1C20<<16`,0,`0x3840<<16`,0,`0x2460<<16`,0
.long `0x7080<<16`,0,`0x6CA0<<16`,0,`0x48C0<<16`,0,`0x54E0<<16`,0
.long `0xE100<<16`,0,`0xFD20<<16`,0,`0xD940<<16`,0,`0xC560<<16`,0
.long `0x9180<<16`,0,`0x8DA0<<16`,0,`0xA9C0<<16`,0,`0xB5E0<<16`,0
.type rem_4bit,#object
.size rem_4bit,(.-rem_4bit)
.globl gcm_ghash_4bit
.align 32
gcm_ghash_4bit:
save %sp,-$frame,%sp
ldub [$inp+15],$nlo
ldub [$Xi+15],$xi0
ldub [$Xi+14],$xi1
add $len,$inp,$len
add $Htbl,8,$Htblo
1: call .+8
add %o7,rem_4bit-1b,$rem_4bit
.Louter:
xor $xi0,$nlo,$nlo
and $nlo,0xf0,$nhi
and $nlo,0x0f,$nlo
sll $nlo,4,$nlo
ldx [$Htblo+$nlo],$Zlo
ldx [$Htbl+$nlo],$Zhi
ldub [$inp+14],$nlo
ldx [$Htblo+$nhi],$Tlo
and $Zlo,0xf,$remi
ldx [$Htbl+$nhi],$Thi
sll $remi,3,$remi
ldx [$rem_4bit+$remi],$rem
srlx $Zlo,4,$Zlo
mov 13,$cnt
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
xor $xi1,$nlo,$nlo
and $Zlo,0xf,$remi
and $nlo,0xf0,$nhi
and $nlo,0x0f,$nlo
ba .Lghash_inner
sll $nlo,4,$nlo
.align 32
.Lghash_inner:
ldx [$Htblo+$nlo],$Tlo
sll $remi,3,$remi
xor $Thi,$Zhi,$Zhi
ldx [$Htbl+$nlo],$Thi
srlx $Zlo,4,$Zlo
xor $rem,$Zhi,$Zhi
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
ldub [$inp+$cnt],$nlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
ldub [$Xi+$cnt],$xi1
xor $Thi,$Zhi,$Zhi
and $Zlo,0xf,$remi
ldx [$Htblo+$nhi],$Tlo
sll $remi,3,$remi
xor $rem,$Zhi,$Zhi
ldx [$Htbl+$nhi],$Thi
srlx $Zlo,4,$Zlo
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $xi1,$nlo,$nlo
srlx $Zhi,4,$Zhi
and $nlo,0xf0,$nhi
addcc $cnt,-1,$cnt
xor $Zlo,$tmp,$Zlo
and $nlo,0x0f,$nlo
xor $Tlo,$Zlo,$Zlo
sll $nlo,4,$nlo
blu .Lghash_inner
and $Zlo,0xf,$remi
ldx [$Htblo+$nlo],$Tlo
sll $remi,3,$remi
xor $Thi,$Zhi,$Zhi
ldx [$Htbl+$nlo],$Thi
srlx $Zlo,4,$Zlo
xor $rem,$Zhi,$Zhi
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
xor $Thi,$Zhi,$Zhi
add $inp,16,$inp
cmp $inp,$len
be,pn `$bits==64?"%xcc":"%icc"`,.Ldone
and $Zlo,0xf,$remi
ldx [$Htblo+$nhi],$Tlo
sll $remi,3,$remi
xor $rem,$Zhi,$Zhi
ldx [$Htbl+$nhi],$Thi
srlx $Zlo,4,$Zlo
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
ldub [$inp+15],$nlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
xor $Thi,$Zhi,$Zhi
stx $Zlo,[$Xi+8]
xor $rem,$Zhi,$Zhi
stx $Zhi,[$Xi]
srl $Zlo,8,$xi1
and $Zlo,0xff,$xi0
ba .Louter
and $xi1,0xff,$xi1
.align 32
.Ldone:
ldx [$Htblo+$nhi],$Tlo
sll $remi,3,$remi
xor $rem,$Zhi,$Zhi
ldx [$Htbl+$nhi],$Thi
srlx $Zlo,4,$Zlo
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
xor $Thi,$Zhi,$Zhi
stx $Zlo,[$Xi+8]
xor $rem,$Zhi,$Zhi
stx $Zhi,[$Xi]
ret
restore
.type gcm_ghash_4bit,#function
.size gcm_ghash_4bit,(.-gcm_ghash_4bit)
___
undef $inp;
undef $len;
$code.=<<___;
.globl gcm_gmult_4bit
.align 32
gcm_gmult_4bit:
save %sp,-$frame,%sp
ldub [$Xi+15],$nlo
add $Htbl,8,$Htblo
1: call .+8
add %o7,rem_4bit-1b,$rem_4bit
and $nlo,0xf0,$nhi
and $nlo,0x0f,$nlo
sll $nlo,4,$nlo
ldx [$Htblo+$nlo],$Zlo
ldx [$Htbl+$nlo],$Zhi
ldub [$Xi+14],$nlo
ldx [$Htblo+$nhi],$Tlo
and $Zlo,0xf,$remi
ldx [$Htbl+$nhi],$Thi
sll $remi,3,$remi
ldx [$rem_4bit+$remi],$rem
srlx $Zlo,4,$Zlo
mov 13,$cnt
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
and $Zlo,0xf,$remi
and $nlo,0xf0,$nhi
and $nlo,0x0f,$nlo
ba .Lgmult_inner
sll $nlo,4,$nlo
.align 32
.Lgmult_inner:
ldx [$Htblo+$nlo],$Tlo
sll $remi,3,$remi
xor $Thi,$Zhi,$Zhi
ldx [$Htbl+$nlo],$Thi
srlx $Zlo,4,$Zlo
xor $rem,$Zhi,$Zhi
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
ldub [$Xi+$cnt],$nlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
xor $Thi,$Zhi,$Zhi
and $Zlo,0xf,$remi
ldx [$Htblo+$nhi],$Tlo
sll $remi,3,$remi
xor $rem,$Zhi,$Zhi
ldx [$Htbl+$nhi],$Thi
srlx $Zlo,4,$Zlo
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
srlx $Zhi,4,$Zhi
and $nlo,0xf0,$nhi
addcc $cnt,-1,$cnt
xor $Zlo,$tmp,$Zlo
and $nlo,0x0f,$nlo
xor $Tlo,$Zlo,$Zlo
sll $nlo,4,$nlo
blu .Lgmult_inner
and $Zlo,0xf,$remi
ldx [$Htblo+$nlo],$Tlo
sll $remi,3,$remi
xor $Thi,$Zhi,$Zhi
ldx [$Htbl+$nlo],$Thi
srlx $Zlo,4,$Zlo
xor $rem,$Zhi,$Zhi
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
xor $Thi,$Zhi,$Zhi
and $Zlo,0xf,$remi
ldx [$Htblo+$nhi],$Tlo
sll $remi,3,$remi
xor $rem,$Zhi,$Zhi
ldx [$Htbl+$nhi],$Thi
srlx $Zlo,4,$Zlo
ldx [$rem_4bit+$remi],$rem
sllx $Zhi,60,$tmp
xor $Tlo,$Zlo,$Zlo
srlx $Zhi,4,$Zhi
xor $Zlo,$tmp,$Zlo
xor $Thi,$Zhi,$Zhi
stx $Zlo,[$Xi+8]
xor $rem,$Zhi,$Zhi
stx $Zhi,[$Xi]
ret
restore
.type gcm_gmult_4bit,#function
.size gcm_gmult_4bit,(.-gcm_gmult_4bit)
.asciz "GHASH for SPARCv9, CRYPTOGAMS by <appro\@openssl.org>"
.align 4
___
$code =~ s/\`([^\`]*)\`/eval $1/gem;
print $code;
close STDOUT;
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