diff options
Diffstat (limited to 'app/openssl/crypto/modes/asm/ghashv8-armx.pl')
| -rw-r--r-- | app/openssl/crypto/modes/asm/ghashv8-armx.pl | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/app/openssl/crypto/modes/asm/ghashv8-armx.pl b/app/openssl/crypto/modes/asm/ghashv8-armx.pl deleted file mode 100644 index 69e863e7..00000000 --- a/app/openssl/crypto/modes/asm/ghashv8-armx.pl +++ /dev/null @@ -1,240 +0,0 @@ -#!/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/. -# ==================================================================== -# -# GHASH for ARMv8 Crypto Extension, 64-bit polynomial multiplication. -# -# June 2014 -# -# Initial version was developed in tight cooperation with Ard -# Biesheuvel <ard.biesheuvel@linaro.org> from bits-n-pieces from -# other assembly modules. Just like aesv8-armx.pl this module -# supports both AArch32 and AArch64 execution modes. -# -# Current performance in cycles per processed byte: -# -# PMULL[2] 32-bit NEON(*) -# Apple A7 1.76 5.62 -# Cortex-A5x n/a n/a -# -# (*) presented for reference/comparison purposes; - -$flavour = shift; -open STDOUT,">".shift; - -$Xi="x0"; # argument block -$Htbl="x1"; -$inp="x2"; -$len="x3"; - -$inc="x12"; - -{ -my ($Xl,$Xm,$Xh,$IN)=map("q$_",(0..3)); -my ($t0,$t1,$t2,$t3,$H,$Hhl)=map("q$_",(8..14)); - -$code=<<___; -#include "arm_arch.h" - -.text -___ -$code.=".arch armv8-a+crypto\n" if ($flavour =~ /64/); -$code.=".fpu neon\n.code 32\n" if ($flavour !~ /64/); - -$code.=<<___; -.global gcm_init_v8 -.type gcm_init_v8,%function -.align 4 -gcm_init_v8: - vld1.64 {$t1},[x1] @ load H - vmov.i8 $t0,#0xe1 - vext.8 $IN,$t1,$t1,#8 - vshl.i64 $t0,$t0,#57 - vshr.u64 $t2,$t0,#63 - vext.8 $t0,$t2,$t0,#8 @ t0=0xc2....01 - vdup.32 $t1,${t1}[1] - vshr.u64 $t3,$IN,#63 - vshr.s32 $t1,$t1,#31 @ broadcast carry bit - vand $t3,$t3,$t0 - vshl.i64 $IN,$IN,#1 - vext.8 $t3,$t3,$t3,#8 - vand $t0,$t0,$t1 - vorr $IN,$IN,$t3 @ H<<<=1 - veor $IN,$IN,$t0 @ twisted H - vst1.64 {$IN},[x0] - - ret -.size gcm_init_v8,.-gcm_init_v8 - -.global gcm_gmult_v8 -.type gcm_gmult_v8,%function -.align 4 -gcm_gmult_v8: - vld1.64 {$t1},[$Xi] @ load Xi - vmov.i8 $t3,#0xe1 - vld1.64 {$H},[$Htbl] @ load twisted H - vshl.u64 $t3,$t3,#57 -#ifndef __ARMEB__ - vrev64.8 $t1,$t1 -#endif - vext.8 $Hhl,$H,$H,#8 - mov $len,#0 - vext.8 $IN,$t1,$t1,#8 - mov $inc,#0 - veor $Hhl,$Hhl,$H @ Karatsuba pre-processing - mov $inp,$Xi - b .Lgmult_v8 -.size gcm_gmult_v8,.-gcm_gmult_v8 - -.global gcm_ghash_v8 -.type gcm_ghash_v8,%function -.align 4 -gcm_ghash_v8: - vld1.64 {$Xl},[$Xi] @ load [rotated] Xi - subs $len,$len,#16 - vmov.i8 $t3,#0xe1 - mov $inc,#16 - vld1.64 {$H},[$Htbl] @ load twisted H - cclr $inc,eq - vext.8 $Xl,$Xl,$Xl,#8 - vshl.u64 $t3,$t3,#57 - vld1.64 {$t1},[$inp],$inc @ load [rotated] inp - vext.8 $Hhl,$H,$H,#8 -#ifndef __ARMEB__ - vrev64.8 $Xl,$Xl - vrev64.8 $t1,$t1 -#endif - veor $Hhl,$Hhl,$H @ Karatsuba pre-processing - vext.8 $IN,$t1,$t1,#8 - b .Loop_v8 - -.align 4 -.Loop_v8: - vext.8 $t2,$Xl,$Xl,#8 - veor $IN,$IN,$Xl @ inp^=Xi - veor $t1,$t1,$t2 @ $t1 is rotated inp^Xi - -.Lgmult_v8: - vpmull.p64 $Xl,$H,$IN @ H.lo·Xi.lo - veor $t1,$t1,$IN @ Karatsuba pre-processing - vpmull2.p64 $Xh,$H,$IN @ H.hi·Xi.hi - subs $len,$len,#16 - vpmull.p64 $Xm,$Hhl,$t1 @ (H.lo+H.hi)·(Xi.lo+Xi.hi) - cclr $inc,eq - - vext.8 $t1,$Xl,$Xh,#8 @ Karatsuba post-processing - veor $t2,$Xl,$Xh - veor $Xm,$Xm,$t1 - vld1.64 {$t1},[$inp],$inc @ load [rotated] inp - veor $Xm,$Xm,$t2 - vpmull.p64 $t2,$Xl,$t3 @ 1st phase - - vmov $Xh#lo,$Xm#hi @ Xh|Xm - 256-bit result - vmov $Xm#hi,$Xl#lo @ Xm is rotated Xl -#ifndef __ARMEB__ - vrev64.8 $t1,$t1 -#endif - veor $Xl,$Xm,$t2 - vext.8 $IN,$t1,$t1,#8 - - vext.8 $t2,$Xl,$Xl,#8 @ 2nd phase - vpmull.p64 $Xl,$Xl,$t3 - veor $t2,$t2,$Xh - veor $Xl,$Xl,$t2 - b.hs .Loop_v8 - -#ifndef __ARMEB__ - vrev64.8 $Xl,$Xl -#endif - vext.8 $Xl,$Xl,$Xl,#8 - vst1.64 {$Xl},[$Xi] @ write out Xi - - ret -.size gcm_ghash_v8,.-gcm_ghash_v8 -___ -} -$code.=<<___; -.asciz "GHASH for ARMv8, CRYPTOGAMS by <appro\@openssl.org>" -.align 2 -___ - -if ($flavour =~ /64/) { ######## 64-bit code - sub unvmov { - my $arg=shift; - - $arg =~ m/q([0-9]+)#(lo|hi),\s*q([0-9]+)#(lo|hi)/o && - sprintf "ins v%d.d[%d],v%d.d[%d]",$1,($2 eq "lo")?0:1,$3,($4 eq "lo")?0:1; - } - foreach(split("\n",$code)) { - s/cclr\s+([wx])([^,]+),\s*([a-z]+)/csel $1$2,$1zr,$1$2,$3/o or - s/vmov\.i8/movi/o or # fix up legacy mnemonics - s/vmov\s+(.*)/unvmov($1)/geo or - s/vext\.8/ext/o or - s/vshr\.s/sshr\.s/o or - s/vshr/ushr/o or - s/^(\s+)v/$1/o or # strip off v prefix - s/\bbx\s+lr\b/ret/o; - - s/\bq([0-9]+)\b/"v".($1<8?$1:$1+8).".16b"/geo; # old->new registers - s/@\s/\/\//o; # old->new style commentary - - # fix up remainig legacy suffixes - s/\.[ui]?8(\s)/$1/o; - s/\.[uis]?32//o and s/\.16b/\.4s/go; - m/\.p64/o and s/\.16b/\.1q/o; # 1st pmull argument - m/l\.p64/o and s/\.16b/\.1d/go; # 2nd and 3rd pmull arguments - s/\.[uisp]?64//o and s/\.16b/\.2d/go; - s/\.[42]([sd])\[([0-3])\]/\.$1\[$2\]/o; - - print $_,"\n"; - } -} else { ######## 32-bit code - sub unvdup32 { - my $arg=shift; - - $arg =~ m/q([0-9]+),\s*q([0-9]+)\[([0-3])\]/o && - sprintf "vdup.32 q%d,d%d[%d]",$1,2*$2+($3>>1),$3&1; - } - sub unvpmullp64 { - my ($mnemonic,$arg)=@_; - - if ($arg =~ m/q([0-9]+),\s*q([0-9]+),\s*q([0-9]+)/o) { - my $word = 0xf2a00e00|(($1&7)<<13)|(($1&8)<<19) - |(($2&7)<<17)|(($2&8)<<4) - |(($3&7)<<1) |(($3&8)<<2); - $word |= 0x00010001 if ($mnemonic =~ "2"); - # since ARMv7 instructions are always encoded little-endian. - # correct solution is to use .inst directive, but older - # assemblers don't implement it:-( - sprintf ".byte\t0x%02x,0x%02x,0x%02x,0x%02x\t@ %s %s", - $word&0xff,($word>>8)&0xff, - ($word>>16)&0xff,($word>>24)&0xff, - $mnemonic,$arg; - } - } - - foreach(split("\n",$code)) { - s/\b[wx]([0-9]+)\b/r$1/go; # new->old registers - s/\bv([0-9])\.[12468]+[bsd]\b/q$1/go; # new->old registers - s/\/\/\s?/@ /o; # new->old style commentary - - # fix up remainig new-style suffixes - s/\],#[0-9]+/]!/o; - - s/cclr\s+([^,]+),\s*([a-z]+)/mov$2 $1,#0/o or - s/vdup\.32\s+(.*)/unvdup32($1)/geo or - s/v?(pmull2?)\.p64\s+(.*)/unvpmullp64($1,$2)/geo or - s/\bq([0-9]+)#(lo|hi)/sprintf "d%d",2*$1+($2 eq "hi")/geo or - s/^(\s+)b\./$1b/o or - s/^(\s+)ret/$1bx\tlr/o; - - print $_,"\n"; - } -} - -close STDOUT; # enforce flush |