mirror of
https://github.com/oxen-io/session-android.git
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334 lines
7.1 KiB
Raku
334 lines
7.1 KiB
Raku
#!/usr/bin/env perl
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#
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# ====================================================================
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# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
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# project. The module is, however, dual licensed under OpenSSL and
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# CRYPTOGAMS licenses depending on where you obtain it. For further
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# details see http://www.openssl.org/~appro/cryptogams/.
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# ====================================================================
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#
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# SHA1 for ARMv8.
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#
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# Performance in cycles per processed byte and improvement coefficient
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# over code generated with "default" compiler:
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#
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# hardware-assisted software(*)
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# Apple A7 2.31 4.13 (+14%)
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# Cortex-A5x n/a n/a
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#
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# (*) Software results are presented mostly for reference purposes.
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$flavour = shift;
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open STDOUT,">".shift;
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($ctx,$inp,$num)=("x0","x1","x2");
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@Xw=map("w$_",(3..17,19));
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@Xx=map("x$_",(3..17,19));
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@V=($A,$B,$C,$D,$E)=map("w$_",(20..24));
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($t0,$t1,$t2,$K)=map("w$_",(25..28));
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sub BODY_00_19 {
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my ($i,$a,$b,$c,$d,$e)=@_;
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my $j=($i+2)&15;
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$code.=<<___ if ($i<15 && !($i&1));
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lsr @Xx[$i+1],@Xx[$i],#32
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___
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$code.=<<___ if ($i<14 && !($i&1));
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ldr @Xx[$i+2],[$inp,#`($i+2)*4-64`]
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___
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$code.=<<___ if ($i<14 && ($i&1));
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#ifdef __ARMEB__
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ror @Xx[$i+1],@Xx[$i+1],#32
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#else
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rev32 @Xx[$i+1],@Xx[$i+1]
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#endif
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___
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$code.=<<___ if ($i<14);
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bic $t0,$d,$b
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and $t1,$c,$b
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ror $t2,$a,#27
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add $d,$d,$K // future e+=K
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orr $t0,$t0,$t1
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add $e,$e,$t2 // e+=rot(a,5)
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ror $b,$b,#2
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add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
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add $e,$e,$t0 // e+=F(b,c,d)
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___
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$code.=<<___ if ($i==19);
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movz $K,#0xeba1
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movk $K,#0x6ed9,lsl#16
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___
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$code.=<<___ if ($i>=14);
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eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
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bic $t0,$d,$b
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and $t1,$c,$b
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ror $t2,$a,#27
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eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
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add $d,$d,$K // future e+=K
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orr $t0,$t0,$t1
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add $e,$e,$t2 // e+=rot(a,5)
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eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
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ror $b,$b,#2
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add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
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add $e,$e,$t0 // e+=F(b,c,d)
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ror @Xw[$j],@Xw[$j],#31
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___
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}
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sub BODY_40_59 {
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my ($i,$a,$b,$c,$d,$e)=@_;
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my $j=($i+2)&15;
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$code.=<<___ if ($i==59);
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movz $K,#0xc1d6
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movk $K,#0xca62,lsl#16
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___
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$code.=<<___;
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orr $t0,$b,$c
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and $t1,$b,$c
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eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
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ror $t2,$a,#27
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and $t0,$t0,$d
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add $d,$d,$K // future e+=K
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eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
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add $e,$e,$t2 // e+=rot(a,5)
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orr $t0,$t0,$t1
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ror $b,$b,#2
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eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
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add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
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add $e,$e,$t0 // e+=F(b,c,d)
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ror @Xw[$j],@Xw[$j],#31
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___
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}
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sub BODY_20_39 {
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my ($i,$a,$b,$c,$d,$e)=@_;
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my $j=($i+2)&15;
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$code.=<<___ if ($i==39);
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movz $K,#0xbcdc
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movk $K,#0x8f1b,lsl#16
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___
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$code.=<<___ if ($i<78);
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eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
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eor $t0,$d,$b
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ror $t2,$a,#27
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add $d,$d,$K // future e+=K
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eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
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eor $t0,$t0,$c
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add $e,$e,$t2 // e+=rot(a,5)
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ror $b,$b,#2
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eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
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add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
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add $e,$e,$t0 // e+=F(b,c,d)
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ror @Xw[$j],@Xw[$j],#31
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___
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$code.=<<___ if ($i==78);
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ldp @Xw[1],@Xw[2],[$ctx]
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eor $t0,$d,$b
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ror $t2,$a,#27
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add $d,$d,$K // future e+=K
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eor $t0,$t0,$c
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add $e,$e,$t2 // e+=rot(a,5)
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ror $b,$b,#2
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add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
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add $e,$e,$t0 // e+=F(b,c,d)
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___
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$code.=<<___ if ($i==79);
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ldp @Xw[3],@Xw[4],[$ctx,#8]
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eor $t0,$d,$b
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ror $t2,$a,#27
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eor $t0,$t0,$c
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add $e,$e,$t2 // e+=rot(a,5)
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ror $b,$b,#2
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ldr @Xw[5],[$ctx,#16]
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add $e,$e,$t0 // e+=F(b,c,d)
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___
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}
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$code.=<<___;
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#include "arm_arch.h"
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.text
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.globl sha1_block_data_order
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.type sha1_block_data_order,%function
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.align 6
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sha1_block_data_order:
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ldr x16,.LOPENSSL_armcap_P
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adr x17,.LOPENSSL_armcap_P
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add x16,x16,x17
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ldr w16,[x16]
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tst w16,#ARMV8_SHA1
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b.ne .Lv8_entry
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stp x29,x30,[sp,#-96]!
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add x29,sp,#0
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stp x19,x20,[sp,#16]
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stp x21,x22,[sp,#32]
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stp x23,x24,[sp,#48]
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stp x25,x26,[sp,#64]
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stp x27,x28,[sp,#80]
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ldp $A,$B,[$ctx]
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ldp $C,$D,[$ctx,#8]
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ldr $E,[$ctx,#16]
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.Loop:
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ldr @Xx[0],[$inp],#64
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movz $K,#0x7999
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sub $num,$num,#1
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movk $K,#0x5a82,lsl#16
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#ifdef __ARMEB__
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ror $Xx[0],@Xx[0],#32
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#else
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rev32 @Xx[0],@Xx[0]
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#endif
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add $E,$E,$K // warm it up
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add $E,$E,@Xw[0]
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___
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for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
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for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
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for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
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for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
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$code.=<<___;
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add $B,$B,@Xw[2]
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add $C,$C,@Xw[3]
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add $A,$A,@Xw[1]
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add $D,$D,@Xw[4]
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add $E,$E,@Xw[5]
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stp $A,$B,[$ctx]
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stp $C,$D,[$ctx,#8]
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str $E,[$ctx,#16]
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cbnz $num,.Loop
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ldp x19,x20,[sp,#16]
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ldp x21,x22,[sp,#32]
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ldp x23,x24,[sp,#48]
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ldp x25,x26,[sp,#64]
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ldp x27,x28,[sp,#80]
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ldr x29,[sp],#96
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ret
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.size sha1_block_data_order,.-sha1_block_data_order
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___
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{{{
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my ($ABCD,$E,$E0,$E1)=map("v$_.16b",(0..3));
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my @MSG=map("v$_.16b",(4..7));
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my @Kxx=map("v$_.4s",(16..19));
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my ($W0,$W1)=("v20.4s","v21.4s");
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my $ABCD_SAVE="v22.16b";
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$code.=<<___;
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.type sha1_block_armv8,%function
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.align 6
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sha1_block_armv8:
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.Lv8_entry:
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stp x29,x30,[sp,#-16]!
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add x29,sp,#0
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adr x4,.Lconst
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eor $E,$E,$E
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ld1.32 {$ABCD},[$ctx],#16
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ld1.32 {$E}[0],[$ctx]
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sub $ctx,$ctx,#16
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ld1.32 {@Kxx[0]-@Kxx[3]},[x4]
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.Loop_hw:
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ld1 {@MSG[0]-@MSG[3]},[$inp],#64
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sub $num,$num,#1
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rev32 @MSG[0],@MSG[0]
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rev32 @MSG[1],@MSG[1]
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add.i32 $W0,@Kxx[0],@MSG[0]
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rev32 @MSG[2],@MSG[2]
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orr $ABCD_SAVE,$ABCD,$ABCD // offload
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add.i32 $W1,@Kxx[0],@MSG[1]
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rev32 @MSG[3],@MSG[3]
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sha1h $E1,$ABCD
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sha1c $ABCD,$E,$W0 // 0
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add.i32 $W0,@Kxx[$j],@MSG[2]
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sha1su0 @MSG[0],@MSG[1],@MSG[2]
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___
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for ($j=0,$i=1;$i<20-3;$i++) {
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my $f=("c","p","m","p")[$i/5];
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$code.=<<___;
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sha1h $E0,$ABCD // $i
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sha1$f $ABCD,$E1,$W1
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add.i32 $W1,@Kxx[$j],@MSG[3]
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sha1su1 @MSG[0],@MSG[3]
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___
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$code.=<<___ if ($i<20-4);
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sha1su0 @MSG[1],@MSG[2],@MSG[3]
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___
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($E0,$E1)=($E1,$E0); ($W0,$W1)=($W1,$W0);
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push(@MSG,shift(@MSG)); $j++ if ((($i+3)%5)==0);
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}
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$code.=<<___;
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sha1h $E0,$ABCD // $i
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sha1p $ABCD,$E1,$W1
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add.i32 $W1,@Kxx[$j],@MSG[3]
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sha1h $E1,$ABCD // 18
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sha1p $ABCD,$E0,$W0
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sha1h $E0,$ABCD // 19
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sha1p $ABCD,$E1,$W1
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add.i32 $E,$E,$E0
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add.i32 $ABCD,$ABCD,$ABCD_SAVE
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cbnz $num,.Loop_hw
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st1.32 {$ABCD},[$ctx],#16
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st1.32 {$E}[0],[$ctx]
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ldr x29,[sp],#16
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ret
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.size sha1_block_armv8,.-sha1_block_armv8
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.align 6
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.Lconst:
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.long 0x5a827999,0x5a827999,0x5a827999,0x5a827999 //K_00_19
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.long 0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1 //K_20_39
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.long 0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc //K_40_59
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.long 0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 //K_60_79
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.LOPENSSL_armcap_P:
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.quad OPENSSL_armcap_P-.
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.asciz "SHA1 block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"
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.align 2
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.comm OPENSSL_armcap_P,4,4
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___
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}}}
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{ my %opcode = (
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"sha1c" => 0x5e000000, "sha1p" => 0x5e001000,
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"sha1m" => 0x5e002000, "sha1su0" => 0x5e003000,
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"sha1h" => 0x5e280800, "sha1su1" => 0x5e281800 );
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sub unsha1 {
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my ($mnemonic,$arg)=@_;
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$arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o
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&&
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sprintf ".inst\t0x%08x\t//%s %s",
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$opcode{$mnemonic}|$1|($2<<5)|($3<<16),
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$mnemonic,$arg;
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}
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}
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foreach(split("\n",$code)) {
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s/\`([^\`]*)\`/eval($1)/geo;
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s/\b(sha1\w+)\s+([qv].*)/unsha1($1,$2)/geo;
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s/\.\w?32\b//o and s/\.16b/\.4s/go;
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m/(ld|st)1[^\[]+\[0\]/o and s/\.4s/\.s/go;
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print $_,"\n";
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}
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close STDOUT;
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