diff options
Diffstat (limited to 'app/openssl/crypto/sha/asm/sha512-armv8.pl')
| -rw-r--r-- | app/openssl/crypto/sha/asm/sha512-armv8.pl | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/app/openssl/crypto/sha/asm/sha512-armv8.pl b/app/openssl/crypto/sha/asm/sha512-armv8.pl new file mode 100644 index 00000000..6935ed65 --- /dev/null +++ b/app/openssl/crypto/sha/asm/sha512-armv8.pl @@ -0,0 +1,414 @@ +#!/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/. +# ==================================================================== +# +# SHA256/512 for ARMv8. +# +# Performance in cycles per processed byte and improvement coefficient +# over code generated with "default" compiler: +# +# SHA256-hw SHA256(*) SHA512 +# Apple A7 1.97 10.5 (+33%) 6.73 (-1%(**)) +# Cortex-A5x n/a n/a n/a +# +# (*) Software SHA256 results are of lesser relevance, presented +# mostly for informational purposes. +# (**) The result is a trade-off: it's possible to improve it by +# 10%, but at the cost of 20% loss on Cortex-A5x. + +$flavour=shift; +$output=shift; +open STDOUT,">$output"; + +if ($output =~ /512/) { + $BITS=512; + $SZ=8; + @Sigma0=(28,34,39); + @Sigma1=(14,18,41); + @sigma0=(1, 8, 7); + @sigma1=(19,61, 6); + $rounds=80; + $reg_t="x"; +} else { + $BITS=256; + $SZ=4; + @Sigma0=( 2,13,22); + @Sigma1=( 6,11,25); + @sigma0=( 7,18, 3); + @sigma1=(17,19,10); + $rounds=64; + $reg_t="w"; +} + +$func="sha${BITS}_block_data_order"; + +($ctx,$inp,$num,$Ktbl)=map("x$_",(0..2,30)); + +@X=map("$reg_t$_",(3..15,0..2)); +@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("$reg_t$_",(20..27)); +($t0,$t1,$t2,$t3)=map("$reg_t$_",(16,17,19,28)); + +sub BODY_00_xx { +my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_; +my $j=($i+1)&15; +my ($T0,$T1,$T2)=(@X[($i-8)&15],@X[($i-9)&15],@X[($i-10)&15]); + $T0=@X[$i+3] if ($i<11); + +$code.=<<___ if ($i<16); +#ifndef __ARMEB__ + rev @X[$i],@X[$i] // $i +#endif +___ +$code.=<<___ if ($i<13 && ($i&1)); + ldp @X[$i+1],@X[$i+2],[$inp],#2*$SZ +___ +$code.=<<___ if ($i==13); + ldp @X[14],@X[15],[$inp] +___ +$code.=<<___ if ($i>=14); + ldr @X[($i-11)&15],[sp,#`$SZ*(($i-11)%4)`] +___ +$code.=<<___ if ($i>0 && $i<16); + add $a,$a,$t1 // h+=Sigma0(a) +___ +$code.=<<___ if ($i>=11); + str @X[($i-8)&15],[sp,#`$SZ*(($i-8)%4)`] +___ +# While ARMv8 specifies merged rotate-n-logical operation such as +# 'eor x,y,z,ror#n', it was found to negatively affect performance +# on Apple A7. The reason seems to be that it requires even 'y' to +# be available earlier. This means that such merged instruction is +# not necessarily best choice on critical path... On the other hand +# Cortex-A5x handles merged instructions much better than disjoint +# rotate and logical... See (**) footnote above. +$code.=<<___ if ($i<15); + ror $t0,$e,#$Sigma1[0] + add $h,$h,$t2 // h+=K[i] + eor $T0,$e,$e,ror#`$Sigma1[2]-$Sigma1[1]` + and $t1,$f,$e + bic $t2,$g,$e + add $h,$h,@X[$i&15] // h+=X[i] + orr $t1,$t1,$t2 // Ch(e,f,g) + eor $t2,$a,$b // a^b, b^c in next round + eor $t0,$t0,$T0,ror#$Sigma1[1] // Sigma1(e) + ror $T0,$a,#$Sigma0[0] + add $h,$h,$t1 // h+=Ch(e,f,g) + eor $t1,$a,$a,ror#`$Sigma0[2]-$Sigma0[1]` + add $h,$h,$t0 // h+=Sigma1(e) + and $t3,$t3,$t2 // (b^c)&=(a^b) + add $d,$d,$h // d+=h + eor $t3,$t3,$b // Maj(a,b,c) + eor $t1,$T0,$t1,ror#$Sigma0[1] // Sigma0(a) + add $h,$h,$t3 // h+=Maj(a,b,c) + ldr $t3,[$Ktbl],#$SZ // *K++, $t2 in next round + //add $h,$h,$t1 // h+=Sigma0(a) +___ +$code.=<<___ if ($i>=15); + ror $t0,$e,#$Sigma1[0] + add $h,$h,$t2 // h+=K[i] + ror $T1,@X[($j+1)&15],#$sigma0[0] + and $t1,$f,$e + ror $T2,@X[($j+14)&15],#$sigma1[0] + bic $t2,$g,$e + ror $T0,$a,#$Sigma0[0] + add $h,$h,@X[$i&15] // h+=X[i] + eor $t0,$t0,$e,ror#$Sigma1[1] + eor $T1,$T1,@X[($j+1)&15],ror#$sigma0[1] + orr $t1,$t1,$t2 // Ch(e,f,g) + eor $t2,$a,$b // a^b, b^c in next round + eor $t0,$t0,$e,ror#$Sigma1[2] // Sigma1(e) + eor $T0,$T0,$a,ror#$Sigma0[1] + add $h,$h,$t1 // h+=Ch(e,f,g) + and $t3,$t3,$t2 // (b^c)&=(a^b) + eor $T2,$T2,@X[($j+14)&15],ror#$sigma1[1] + eor $T1,$T1,@X[($j+1)&15],lsr#$sigma0[2] // sigma0(X[i+1]) + add $h,$h,$t0 // h+=Sigma1(e) + eor $t3,$t3,$b // Maj(a,b,c) + eor $t1,$T0,$a,ror#$Sigma0[2] // Sigma0(a) + eor $T2,$T2,@X[($j+14)&15],lsr#$sigma1[2] // sigma1(X[i+14]) + add @X[$j],@X[$j],@X[($j+9)&15] + add $d,$d,$h // d+=h + add $h,$h,$t3 // h+=Maj(a,b,c) + ldr $t3,[$Ktbl],#$SZ // *K++, $t2 in next round + add @X[$j],@X[$j],$T1 + add $h,$h,$t1 // h+=Sigma0(a) + add @X[$j],@X[$j],$T2 +___ + ($t2,$t3)=($t3,$t2); +} + +$code.=<<___; +#include "arm_arch.h" + +.text + +.globl $func +.type $func,%function +.align 6 +$func: +___ +$code.=<<___ if ($SZ==4); + ldr x16,.LOPENSSL_armcap_P + adr x17,.LOPENSSL_armcap_P + add x16,x16,x17 + ldr w16,[x16] + tst w16,#ARMV8_SHA256 + b.ne .Lv8_entry +___ +$code.=<<___; + stp x29,x30,[sp,#-128]! + add x29,sp,#0 + + stp x19,x20,[sp,#16] + stp x21,x22,[sp,#32] + stp x23,x24,[sp,#48] + stp x25,x26,[sp,#64] + stp x27,x28,[sp,#80] + sub sp,sp,#4*$SZ + + ldp $A,$B,[$ctx] // load context + ldp $C,$D,[$ctx,#2*$SZ] + ldp $E,$F,[$ctx,#4*$SZ] + add $num,$inp,$num,lsl#`log(16*$SZ)/log(2)` // end of input + ldp $G,$H,[$ctx,#6*$SZ] + adr $Ktbl,K$BITS + stp $ctx,$num,[x29,#96] + +.Loop: + ldp @X[0],@X[1],[$inp],#2*$SZ + ldr $t2,[$Ktbl],#$SZ // *K++ + eor $t3,$B,$C // magic seed + str $inp,[x29,#112] +___ +for ($i=0;$i<16;$i++) { &BODY_00_xx($i,@V); unshift(@V,pop(@V)); } +$code.=".Loop_16_xx:\n"; +for (;$i<32;$i++) { &BODY_00_xx($i,@V); unshift(@V,pop(@V)); } +$code.=<<___; + cbnz $t2,.Loop_16_xx + + ldp $ctx,$num,[x29,#96] + ldr $inp,[x29,#112] + sub $Ktbl,$Ktbl,#`$SZ*($rounds+1)` // rewind + + ldp @X[0],@X[1],[$ctx] + ldp @X[2],@X[3],[$ctx,#2*$SZ] + add $inp,$inp,#14*$SZ // advance input pointer + ldp @X[4],@X[5],[$ctx,#4*$SZ] + add $A,$A,@X[0] + ldp @X[6],@X[7],[$ctx,#6*$SZ] + add $B,$B,@X[1] + add $C,$C,@X[2] + add $D,$D,@X[3] + stp $A,$B,[$ctx] + add $E,$E,@X[4] + add $F,$F,@X[5] + stp $C,$D,[$ctx,#2*$SZ] + add $G,$G,@X[6] + add $H,$H,@X[7] + cmp $inp,$num + stp $E,$F,[$ctx,#4*$SZ] + stp $G,$H,[$ctx,#6*$SZ] + b.ne .Loop + + ldp x19,x20,[x29,#16] + add sp,sp,#4*$SZ + ldp x21,x22,[x29,#32] + ldp x23,x24,[x29,#48] + ldp x25,x26,[x29,#64] + ldp x27,x28,[x29,#80] + ldp x29,x30,[sp],#128 + ret +.size $func,.-$func + +.align 6 +.type K$BITS,%object +K$BITS: +___ +$code.=<<___ if ($SZ==8); + .quad 0x428a2f98d728ae22,0x7137449123ef65cd + .quad 0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc + .quad 0x3956c25bf348b538,0x59f111f1b605d019 + .quad 0x923f82a4af194f9b,0xab1c5ed5da6d8118 + .quad 0xd807aa98a3030242,0x12835b0145706fbe + .quad 0x243185be4ee4b28c,0x550c7dc3d5ffb4e2 + .quad 0x72be5d74f27b896f,0x80deb1fe3b1696b1 + .quad 0x9bdc06a725c71235,0xc19bf174cf692694 + .quad 0xe49b69c19ef14ad2,0xefbe4786384f25e3 + .quad 0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65 + .quad 0x2de92c6f592b0275,0x4a7484aa6ea6e483 + .quad 0x5cb0a9dcbd41fbd4,0x76f988da831153b5 + .quad 0x983e5152ee66dfab,0xa831c66d2db43210 + .quad 0xb00327c898fb213f,0xbf597fc7beef0ee4 + .quad 0xc6e00bf33da88fc2,0xd5a79147930aa725 + .quad 0x06ca6351e003826f,0x142929670a0e6e70 + .quad 0x27b70a8546d22ffc,0x2e1b21385c26c926 + .quad 0x4d2c6dfc5ac42aed,0x53380d139d95b3df + .quad 0x650a73548baf63de,0x766a0abb3c77b2a8 + .quad 0x81c2c92e47edaee6,0x92722c851482353b + .quad 0xa2bfe8a14cf10364,0xa81a664bbc423001 + .quad 0xc24b8b70d0f89791,0xc76c51a30654be30 + .quad 0xd192e819d6ef5218,0xd69906245565a910 + .quad 0xf40e35855771202a,0x106aa07032bbd1b8 + .quad 0x19a4c116b8d2d0c8,0x1e376c085141ab53 + .quad 0x2748774cdf8eeb99,0x34b0bcb5e19b48a8 + .quad 0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb + .quad 0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3 + .quad 0x748f82ee5defb2fc,0x78a5636f43172f60 + .quad 0x84c87814a1f0ab72,0x8cc702081a6439ec + .quad 0x90befffa23631e28,0xa4506cebde82bde9 + .quad 0xbef9a3f7b2c67915,0xc67178f2e372532b + .quad 0xca273eceea26619c,0xd186b8c721c0c207 + .quad 0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178 + .quad 0x06f067aa72176fba,0x0a637dc5a2c898a6 + .quad 0x113f9804bef90dae,0x1b710b35131c471b + .quad 0x28db77f523047d84,0x32caab7b40c72493 + .quad 0x3c9ebe0a15c9bebc,0x431d67c49c100d4c + .quad 0x4cc5d4becb3e42b6,0x597f299cfc657e2a + .quad 0x5fcb6fab3ad6faec,0x6c44198c4a475817 + .quad 0 // terminator +___ +$code.=<<___ if ($SZ==4); + .long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5 + .long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5 + .long 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3 + .long 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174 + .long 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc + .long 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da + .long 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7 + .long 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967 + .long 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13 + .long 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85 + .long 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3 + .long 0xd192e819,0xd6990624,0xf40e3585,0x106aa070 + .long 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5 + .long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3 + .long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208 + .long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2 + .long 0 //terminator +___ +$code.=<<___; +.size K$BITS,.-K$BITS +.align 3 +.LOPENSSL_armcap_P: + .quad OPENSSL_armcap_P-. +.asciz "SHA$BITS block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>" +.align 2 +___ + +if ($SZ==4) { +my $Ktbl="x3"; + +my ($ABCD,$EFGH,$abcd)=map("v$_.16b",(0..2)); +my @MSG=map("v$_.16b",(4..7)); +my ($W0,$W1)=("v16.4s","v17.4s"); +my ($ABCD_SAVE,$EFGH_SAVE)=("v18.16b","v19.16b"); + +$code.=<<___; +.type sha256_block_armv8,%function +.align 6 +sha256_block_armv8: +.Lv8_entry: + stp x29,x30,[sp,#-16]! + add x29,sp,#0 + + ld1.32 {$ABCD,$EFGH},[$ctx] + adr $Ktbl,K256 + +.Loop_hw: + ld1 {@MSG[0]-@MSG[3]},[$inp],#64 + sub $num,$num,#1 + ld1.32 {$W0},[$Ktbl],#16 + rev32 @MSG[0],@MSG[0] + rev32 @MSG[1],@MSG[1] + rev32 @MSG[2],@MSG[2] + rev32 @MSG[3],@MSG[3] + orr $ABCD_SAVE,$ABCD,$ABCD // offload + orr $EFGH_SAVE,$EFGH,$EFGH +___ +for($i=0;$i<12;$i++) { +$code.=<<___; + ld1.32 {$W1},[$Ktbl],#16 + add.i32 $W0,$W0,@MSG[0] + sha256su0 @MSG[0],@MSG[1] + orr $abcd,$ABCD,$ABCD + sha256h $ABCD,$EFGH,$W0 + sha256h2 $EFGH,$abcd,$W0 + sha256su1 @MSG[0],@MSG[2],@MSG[3] +___ + ($W0,$W1)=($W1,$W0); push(@MSG,shift(@MSG)); +} +$code.=<<___; + ld1.32 {$W1},[$Ktbl],#16 + add.i32 $W0,$W0,@MSG[0] + orr $abcd,$ABCD,$ABCD + sha256h $ABCD,$EFGH,$W0 + sha256h2 $EFGH,$abcd,$W0 + + ld1.32 {$W0},[$Ktbl],#16 + add.i32 $W1,$W1,@MSG[1] + orr $abcd,$ABCD,$ABCD + sha256h $ABCD,$EFGH,$W1 + sha256h2 $EFGH,$abcd,$W1 + + ld1.32 {$W1},[$Ktbl] + add.i32 $W0,$W0,@MSG[2] + sub $Ktbl,$Ktbl,#$rounds*$SZ-16 // rewind + orr $abcd,$ABCD,$ABCD + sha256h $ABCD,$EFGH,$W0 + sha256h2 $EFGH,$abcd,$W0 + + add.i32 $W1,$W1,@MSG[3] + orr $abcd,$ABCD,$ABCD + sha256h $ABCD,$EFGH,$W1 + sha256h2 $EFGH,$abcd,$W1 + + add.i32 $ABCD,$ABCD,$ABCD_SAVE + add.i32 $EFGH,$EFGH,$EFGH_SAVE + + cbnz $num,.Loop_hw + + st1.32 {$ABCD,$EFGH},[$ctx] + + ldr x29,[sp],#16 + ret +.size sha256_block_armv8,.-sha256_block_armv8 +___ +} + +$code.=<<___; +.comm OPENSSL_armcap_P,4,4 +___ + +{ my %opcode = ( + "sha256h" => 0x5e004000, "sha256h2" => 0x5e005000, + "sha256su0" => 0x5e282800, "sha256su1" => 0x5e006000 ); + + sub unsha256 { + my ($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(sha256\w+)\s+([qv].*)/unsha256($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; |