diff options
Diffstat (limited to 'crypto/sha/asm/sha512-s390x.pl')
-rw-r--r-- | crypto/sha/asm/sha512-s390x.pl | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/crypto/sha/asm/sha512-s390x.pl b/crypto/sha/asm/sha512-s390x.pl new file mode 100644 index 0000000000..67a17d3808 --- /dev/null +++ b/crypto/sha/asm/sha512-s390x.pl @@ -0,0 +1,288 @@ +#!/usr/bin/env perl + +# ==================================================================== +# Written by Andy Polyakov <appro@fy.chalmers.se> 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 block procedures for s390x. + +# April 2007. +# +# sha256_block_data_order is reportedly >3 times faster than gcc 3.3 +# generated code (must to be a bug in compiler, as improvement is +# "pathologically" high, in particular in comparison to other SHA +# modules). But the real twist is that it detects if hardware support +# for SHA256 is available and in such case utilizes it. Then the +# performance can reach >12x of assembler one for larger chunks. +# +# sha512_block_data_order is ~70% faster than gcc 3.3 generated code. + +$t0="%r0"; +$t1="%r1"; +$ctx="%r2"; +$inp="%r3"; +$len="%r4"; # used as index in inner loop + +$A="%r5"; +$B="%r6"; +$C="%r7"; +$D="%r8"; +$E="%r9"; +$F="%r10"; +$G="%r11"; +$H="%r12"; @V=($A,$B,$C,$D,$E,$F,$G,$H); +$tbl="%r13"; +$T1="%r14"; +$sp="%r15"; + +$output=shift; +open STDOUT,">$output"; + +if ($output =~ /512/) { + $label="512"; + $SZ=8; + $LD="lg"; # load from memory + $ST="stg"; # store to memory + $ADD="alg"; # add with memory operand + $ROT="rllg"; # rotate left + $SHR="srlg"; # logical right shift [see even at the end] + @Sigma0=(25,30,36); + @Sigma1=(23,46,50); + @sigma0=(56,63, 7); + @sigma1=( 3,45, 6); + $rounds=80; + $kimdfunc=0; # 0 means unknown/unsupported/unimplemented +} else { + $label="256"; + $SZ=4; + $LD="llgf"; # load from memory + $ST="st"; # store to memory + $ADD="al"; # add with memory operand + $ROT="rll"; # rotate left + $SHR="srl"; # logical right shift + @Sigma0=(10,19,30); + @Sigma1=( 7,21,26); + @sigma0=(14,25, 3); + @sigma1=(13,15,10); + $rounds=64; + $kimdfunc=2; # magic function code for kimd instruction +} +$Func="sha${label}_block_data_order"; +$Table="K${label}"; +$frame=160+16*$SZ; + +sub BODY_00_15 { +my ($i,$a,$b,$c,$d,$e,$f,$g,$h) = @_; + +$code.=<<___ if ($i<16); + $LD $T1,`$i*$SZ`($inp) ### $i +___ +$code.=<<___; + $ROT $t0,$e,$Sigma1[0] + $ROT $t1,$e,$Sigma1[1] + xgr $t0,$t1 + $ROT $t1,$t1,`$Sigma1[2]-$Sigma1[1]` + xgr $t0,$t1 # Sigma1(e) + $ST $T1,`160+$SZ*($i%16)`($sp) + algr $T1,$t0 # T1+=Sigma1(e) + algr $T1,$h # T1+=h + $ADD $T1,`$i*$SZ`($len,$tbl) # T1+=K[i] + lgr $t0,$f + xgr $t0,$g + ngr $t0,$e + xgr $t0,$g # Ch(e,f,g) + algr $T1,$t0 # T1+=Ch(e,f,g) + $ROT $h,$a,$Sigma0[0] + $ROT $t0,$a,$Sigma0[1] + xgr $h,$t0 + $ROT $t0,$t0,`$Sigma0[2]-$Sigma0[1]` + xgr $h,$t0 # h=Sigma0(a) + lgr $t0,$a + ogr $t0,$b + ngr $t0,$c + lgr $t1,$a + ngr $t1,$b + ogr $t0,$t1 # Maj(a,b,c) + algr $h,$t0 # h+=Maj(a,b,c) + algr $d,$T1 # d+=T1 + algr $h,$T1 # h+=T1 +___ +} + +sub BODY_16_XX { +my ($i,$a,$b,$c,$d,$e,$f,$g,$h) = @_; + +$code.=<<___; + $LD $T1,`160+$SZ*(($i+1)%16)`($sp) ### $i + $LD $t1,`160+$SZ*(($i+14)%16)`($sp) + $ROT $t0,$T1,$sigma0[0] + $SHR $T1,$sigma0[2] + xgr $T1,$t0 + $ROT $t0,$t0,`$sigma0[1]-$sigma0[0]` + xgr $T1,$t0 # sigma0(X[i+1]) + $ROT $t0,$t1,$sigma1[0] + $ADD $T1,`160+$SZ*($i%16)`($sp) # +=X[i] + $SHR $t1,$sigma1[2] + xgr $t1,$t0 + $ADD $T1,`160+$SZ*(($i+9)%16)`($sp) # +=X[i+9] + $ROT $t0,$t0,`$sigma1[1]-$sigma1[0]` + xgr $t1,$t0 # sigma1(X[i+14]) + algr $T1,$t1 # +=sigma1(X[i+14]) +___ + &BODY_00_15(@_); +} + +$code.=<<___; +.text +.align 64 +.type $Table,\@object +$Table: +___ +$code.=<<___ if ($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 +___ +$code.=<<___ if ($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 +___ +$code.=<<___; +.size $Table,.-$Table +.globl $Func +.type $Func,\@function +$Func: +___ +$code.=<<___ if ($kimdfunc); + lghi %r0,0 + la %r1,16($sp) + .long 0xb93e0002 # kimd %r0,%r2 + lg %r0,16($sp) + tmhh %r0,`0x8000>>$kimdfunc` + jz .Lsoftware + lghi %r0,$kimdfunc + lgr %r1,$ctx + lgr %r2,$inp + sllg %r3,$len,`log(16*$SZ)/log(2)` + .long 0xb93e0002 # kimd %r0,%r2 + br %r14 +.Lsoftware: +___ +$code.=<<___; + sllg $len,$len,`log(16*$SZ)/log(2)` + la $len,0($inp,$len) + stmg $len,%r15,32($sp) + lgr %r0,$sp + aghi $sp,-$frame + stg %r0,0($sp) + + bras $tbl,.Lpic +.Lpic: aghi $tbl,$Table-.Lpic + + $LD $A,`0*$SZ`($ctx) + $LD $B,`1*$SZ`($ctx) + $LD $C,`2*$SZ`($ctx) + $LD $D,`3*$SZ`($ctx) + $LD $E,`4*$SZ`($ctx) + $LD $F,`5*$SZ`($ctx) + $LD $G,`6*$SZ`($ctx) + $LD $H,`7*$SZ`($ctx) + +.Lloop: + lghi $len,0 +___ +for ($i=0;$i<16;$i++) { &BODY_00_15($i,@V); unshift(@V,pop(@V)); } +$code.=".Lrounds_16_xx:\n"; +for (;$i<32;$i++) { &BODY_16_XX($i,@V); unshift(@V,pop(@V)); } +$code.=<<___; + aghi $len,`16*$SZ` + lghi $t0,`($rounds-16)*$SZ` + clgr $len,$t0 + jne .Lrounds_16_xx + + $ADD $A,`0*$SZ`($ctx) + $ADD $B,`1*$SZ`($ctx) + $ADD $C,`2*$SZ`($ctx) + $ADD $D,`3*$SZ`($ctx) + $ADD $E,`4*$SZ`($ctx) + $ADD $F,`5*$SZ`($ctx) + $ADD $G,`6*$SZ`($ctx) + $ADD $H,`7*$SZ`($ctx) + $ST $A,`0*$SZ`($ctx) + $ST $B,`1*$SZ`($ctx) + $ST $C,`2*$SZ`($ctx) + $ST $D,`3*$SZ`($ctx) + $ST $E,`4*$SZ`($ctx) + $ST $F,`5*$SZ`($ctx) + $ST $G,`6*$SZ`($ctx) + $ST $H,`7*$SZ`($ctx) + la $inp,`16*$SZ`($inp) + clg $inp,`$frame+32`($sp) + jne .Lloop + + lmg %r6,%r15,`$frame+48`($sp) + br %r14 +.size $Func,.-$Func +.string "SHA${label} block transform for s390x, CRYPTOGAMS by <appro\@openssl.org>" +___ + +$code =~ s/\`([^\`]*)\`/eval $1/gem; +# unlike 32-bit shift 64-bit one takes three arguments +$code =~ s/(srlg\s+)(%r[0-9]+),/$1$2,$2,/gm; + +print $code; +close STDOUT; |