diff options
Diffstat (limited to 'openssl/crypto/sha/asm/sha1-armv8.pl')
| -rwxr-xr-x | openssl/crypto/sha/asm/sha1-armv8.pl | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/openssl/crypto/sha/asm/sha1-armv8.pl b/openssl/crypto/sha/asm/sha1-armv8.pl new file mode 100755 index 000000000..deb1238d3 --- /dev/null +++ b/openssl/crypto/sha/asm/sha1-armv8.pl @@ -0,0 +1,334 @@ +#!/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/. +# ==================================================================== +# +# SHA1 for ARMv8. +# +# Performance in cycles per processed byte and improvement coefficient +# over code generated with "default" compiler: +# +# hardware-assisted software(*) +# Apple A7 2.31 4.13 (+14%) +# Cortex-A53 2.19 8.73 (+108%) +# Cortex-A57 2.35 7.88 (+74%) +# +# (*) Software results are presented mostly for reference purposes. + +$flavour = shift; +open STDOUT,">".shift; + +($ctx,$inp,$num)=("x0","x1","x2"); +@Xw=map("w$_",(3..17,19)); +@Xx=map("x$_",(3..17,19)); +@V=($A,$B,$C,$D,$E)=map("w$_",(20..24)); +($t0,$t1,$t2,$K)=map("w$_",(25..28)); + + +sub BODY_00_19 { +my ($i,$a,$b,$c,$d,$e)=@_; +my $j=($i+2)&15; + +$code.=<<___ if ($i<15 && !($i&1)); + lsr @Xx[$i+1],@Xx[$i],#32 +___ +$code.=<<___ if ($i<14 && !($i&1)); + ldr @Xx[$i+2],[$inp,#`($i+2)*4-64`] +___ +$code.=<<___ if ($i<14 && ($i&1)); +#ifdef __ARMEB__ + ror @Xx[$i+1],@Xx[$i+1],#32 +#else + rev32 @Xx[$i+1],@Xx[$i+1] +#endif +___ +$code.=<<___ if ($i<14); + bic $t0,$d,$b + and $t1,$c,$b + ror $t2,$a,#27 + add $d,$d,$K // future e+=K + orr $t0,$t0,$t1 + add $e,$e,$t2 // e+=rot(a,5) + ror $b,$b,#2 + add $d,$d,@Xw[($i+1)&15] // future e+=X[i] + add $e,$e,$t0 // e+=F(b,c,d) +___ +$code.=<<___ if ($i==19); + movz $K,#0xeba1 + movk $K,#0x6ed9,lsl#16 +___ +$code.=<<___ if ($i>=14); + eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15] + bic $t0,$d,$b + and $t1,$c,$b + ror $t2,$a,#27 + eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15] + add $d,$d,$K // future e+=K + orr $t0,$t0,$t1 + add $e,$e,$t2 // e+=rot(a,5) + eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15] + ror $b,$b,#2 + add $d,$d,@Xw[($i+1)&15] // future e+=X[i] + add $e,$e,$t0 // e+=F(b,c,d) + ror @Xw[$j],@Xw[$j],#31 +___ +} + +sub BODY_40_59 { +my ($i,$a,$b,$c,$d,$e)=@_; +my $j=($i+2)&15; + +$code.=<<___ if ($i==59); + movz $K,#0xc1d6 + movk $K,#0xca62,lsl#16 +___ +$code.=<<___; + orr $t0,$b,$c + and $t1,$b,$c + eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15] + ror $t2,$a,#27 + and $t0,$t0,$d + add $d,$d,$K // future e+=K + eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15] + add $e,$e,$t2 // e+=rot(a,5) + orr $t0,$t0,$t1 + ror $b,$b,#2 + eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15] + add $d,$d,@Xw[($i+1)&15] // future e+=X[i] + add $e,$e,$t0 // e+=F(b,c,d) + ror @Xw[$j],@Xw[$j],#31 +___ +} + +sub BODY_20_39 { +my ($i,$a,$b,$c,$d,$e)=@_; +my $j=($i+2)&15; + +$code.=<<___ if ($i==39); + movz $K,#0xbcdc + movk $K,#0x8f1b,lsl#16 +___ +$code.=<<___ if ($i<78); + eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15] + eor $t0,$d,$b + ror $t2,$a,#27 + add $d,$d,$K // future e+=K + eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15] + eor $t0,$t0,$c + add $e,$e,$t2 // e+=rot(a,5) + ror $b,$b,#2 + eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15] + add $d,$d,@Xw[($i+1)&15] // future e+=X[i] + add $e,$e,$t0 // e+=F(b,c,d) + ror @Xw[$j],@Xw[$j],#31 +___ +$code.=<<___ if ($i==78); + ldp @Xw[1],@Xw[2],[$ctx] + eor $t0,$d,$b + ror $t2,$a,#27 + add $d,$d,$K // future e+=K + eor $t0,$t0,$c + add $e,$e,$t2 // e+=rot(a,5) + ror $b,$b,#2 + add $d,$d,@Xw[($i+1)&15] // future e+=X[i] + add $e,$e,$t0 // e+=F(b,c,d) +___ +$code.=<<___ if ($i==79); + ldp @Xw[3],@Xw[4],[$ctx,#8] + eor $t0,$d,$b + ror $t2,$a,#27 + eor $t0,$t0,$c + add $e,$e,$t2 // e+=rot(a,5) + ror $b,$b,#2 + ldr @Xw[5],[$ctx,#16] + add $e,$e,$t0 // e+=F(b,c,d) +___ +} + +$code.=<<___; +#include "arm_arch.h" + +.text + +.globl sha1_block_data_order +.type sha1_block_data_order,%function +.align 6 +sha1_block_data_order: + ldr x16,.LOPENSSL_armcap_P + adr x17,.LOPENSSL_armcap_P + add x16,x16,x17 + ldr w16,[x16] + tst w16,#ARMV8_SHA1 + b.ne .Lv8_entry + + stp x29,x30,[sp,#-96]! + add x29,sp,#0 + stp x19,x20,[sp,#16] + stp x21,x22,[sp,#32] + stp x23,x24,[sp,#48] + stp x25,x26,[sp,#64] + stp x27,x28,[sp,#80] + + ldp $A,$B,[$ctx] + ldp $C,$D,[$ctx,#8] + ldr $E,[$ctx,#16] + +.Loop: + ldr @Xx[0],[$inp],#64 + movz $K,#0x7999 + sub $num,$num,#1 + movk $K,#0x5a82,lsl#16 +#ifdef __ARMEB__ + ror $Xx[0],@Xx[0],#32 +#else + rev32 @Xx[0],@Xx[0] +#endif + add $E,$E,$K // warm it up + add $E,$E,@Xw[0] +___ +for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); } +for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } +for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); } +for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } +$code.=<<___; + add $B,$B,@Xw[2] + add $C,$C,@Xw[3] + add $A,$A,@Xw[1] + add $D,$D,@Xw[4] + add $E,$E,@Xw[5] + stp $A,$B,[$ctx] + stp $C,$D,[$ctx,#8] + str $E,[$ctx,#16] + cbnz $num,.Loop + + ldp x19,x20,[sp,#16] + ldp x21,x22,[sp,#32] + ldp x23,x24,[sp,#48] + ldp x25,x26,[sp,#64] + ldp x27,x28,[sp,#80] + ldr x29,[sp],#96 + ret +.size sha1_block_data_order,.-sha1_block_data_order +___ +{{{ +my ($ABCD,$E,$E0,$E1)=map("v$_.16b",(0..3)); +my @MSG=map("v$_.16b",(4..7)); +my @Kxx=map("v$_.4s",(16..19)); +my ($W0,$W1)=("v20.4s","v21.4s"); +my $ABCD_SAVE="v22.16b"; + +$code.=<<___; +.type sha1_block_armv8,%function +.align 6 +sha1_block_armv8: +.Lv8_entry: + stp x29,x30,[sp,#-16]! + add x29,sp,#0 + + adr x4,.Lconst + eor $E,$E,$E + ld1.32 {$ABCD},[$ctx],#16 + ld1.32 {$E}[0],[$ctx] + sub $ctx,$ctx,#16 + ld1.32 {@Kxx[0]-@Kxx[3]},[x4] + +.Loop_hw: + ld1 {@MSG[0]-@MSG[3]},[$inp],#64 + sub $num,$num,#1 + rev32 @MSG[0],@MSG[0] + rev32 @MSG[1],@MSG[1] + + add.i32 $W0,@Kxx[0],@MSG[0] + rev32 @MSG[2],@MSG[2] + orr $ABCD_SAVE,$ABCD,$ABCD // offload + + add.i32 $W1,@Kxx[0],@MSG[1] + rev32 @MSG[3],@MSG[3] + sha1h $E1,$ABCD + sha1c $ABCD,$E,$W0 // 0 + add.i32 $W0,@Kxx[$j],@MSG[2] + sha1su0 @MSG[0],@MSG[1],@MSG[2] +___ +for ($j=0,$i=1;$i<20-3;$i++) { +my $f=("c","p","m","p")[$i/5]; +$code.=<<___; + sha1h $E0,$ABCD // $i + sha1$f $ABCD,$E1,$W1 + add.i32 $W1,@Kxx[$j],@MSG[3] + sha1su1 @MSG[0],@MSG[3] +___ +$code.=<<___ if ($i<20-4); + sha1su0 @MSG[1],@MSG[2],@MSG[3] +___ + ($E0,$E1)=($E1,$E0); ($W0,$W1)=($W1,$W0); + push(@MSG,shift(@MSG)); $j++ if ((($i+3)%5)==0); +} +$code.=<<___; + sha1h $E0,$ABCD // $i + sha1p $ABCD,$E1,$W1 + add.i32 $W1,@Kxx[$j],@MSG[3] + + sha1h $E1,$ABCD // 18 + sha1p $ABCD,$E0,$W0 + + sha1h $E0,$ABCD // 19 + sha1p $ABCD,$E1,$W1 + + add.i32 $E,$E,$E0 + add.i32 $ABCD,$ABCD,$ABCD_SAVE + + cbnz $num,.Loop_hw + + st1.32 {$ABCD},[$ctx],#16 + st1.32 {$E}[0],[$ctx] + + ldr x29,[sp],#16 + ret +.size sha1_block_armv8,.-sha1_block_armv8 +.align 6 +.Lconst: +.long 0x5a827999,0x5a827999,0x5a827999,0x5a827999 //K_00_19 +.long 0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1 //K_20_39 +.long 0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc //K_40_59 +.long 0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 //K_60_79 +.LOPENSSL_armcap_P: +.quad OPENSSL_armcap_P-. +.asciz "SHA1 block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>" +.align 2 +.comm OPENSSL_armcap_P,4,4 +___ +}}} + +{ my %opcode = ( + "sha1c" => 0x5e000000, "sha1p" => 0x5e001000, + "sha1m" => 0x5e002000, "sha1su0" => 0x5e003000, + "sha1h" => 0x5e280800, "sha1su1" => 0x5e281800 ); + + sub unsha1 { + my ($mnemonic,$arg)=@_; + + $arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o + && + sprintf ".inst\t0x%08x\t//%s %s", + $opcode{$mnemonic}|$1|($2<<5)|($3<<16), + $mnemonic,$arg; + } +} + +foreach(split("\n",$code)) { + + s/\`([^\`]*)\`/eval($1)/geo; + + s/\b(sha1\w+)\s+([qv].*)/unsha1($1,$2)/geo; + + s/\.\w?32\b//o and s/\.16b/\.4s/go; + m/(ld|st)1[^\[]+\[0\]/o and s/\.4s/\.s/go; + + print $_,"\n"; +} + +close STDOUT; |