diff options
Diffstat (limited to 'openssl/crypto/sha/asm/sha1-ppc.pl')
| -rwxr-xr-x | openssl/crypto/sha/asm/sha1-ppc.pl | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/openssl/crypto/sha/asm/sha1-ppc.pl b/openssl/crypto/sha/asm/sha1-ppc.pl deleted file mode 100755 index dcd0fcdf..00000000 --- a/openssl/crypto/sha/asm/sha1-ppc.pl +++ /dev/null @@ -1,319 +0,0 @@ -#!/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/. -# ==================================================================== - -# I let hardware handle unaligned input(*), except on page boundaries -# (see below for details). Otherwise straightforward implementation -# with X vector in register bank. The module is big-endian [which is -# not big deal as there're no little-endian targets left around]. -# -# (*) this means that this module is inappropriate for PPC403? Does -# anybody know if pre-POWER3 can sustain unaligned load? - -# -m64 -m32 -# ---------------------------------- -# PPC970,gcc-4.0.0 +76% +59% -# Power6,xlc-7 +68% +33% - -$flavour = shift; - -if ($flavour =~ /64/) { - $SIZE_T =8; - $UCMP ="cmpld"; - $STU ="stdu"; - $POP ="ld"; - $PUSH ="std"; -} elsif ($flavour =~ /32/) { - $SIZE_T =4; - $UCMP ="cmplw"; - $STU ="stwu"; - $POP ="lwz"; - $PUSH ="stw"; -} else { die "nonsense $flavour"; } - -$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; -( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or -( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or -die "can't locate ppc-xlate.pl"; - -open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; - -$FRAME=24*$SIZE_T; - -$K ="r0"; -$sp ="r1"; -$toc="r2"; -$ctx="r3"; -$inp="r4"; -$num="r5"; -$t0 ="r15"; -$t1 ="r6"; - -$A ="r7"; -$B ="r8"; -$C ="r9"; -$D ="r10"; -$E ="r11"; -$T ="r12"; - -@V=($A,$B,$C,$D,$E,$T); -@X=("r16","r17","r18","r19","r20","r21","r22","r23", - "r24","r25","r26","r27","r28","r29","r30","r31"); - -sub BODY_00_19 { -my ($i,$a,$b,$c,$d,$e,$f)=@_; -my $j=$i+1; -$code.=<<___ if ($i==0); - lwz @X[$i],`$i*4`($inp) -___ -$code.=<<___ if ($i<15); - lwz @X[$j],`$j*4`($inp) - add $f,$K,$e - rotlwi $e,$a,5 - add $f,$f,@X[$i] - and $t0,$c,$b - add $f,$f,$e - andc $t1,$d,$b - rotlwi $b,$b,30 - or $t0,$t0,$t1 - add $f,$f,$t0 -___ -$code.=<<___ if ($i>=15); - add $f,$K,$e - rotlwi $e,$a,5 - xor @X[$j%16],@X[$j%16],@X[($j+2)%16] - add $f,$f,@X[$i%16] - and $t0,$c,$b - xor @X[$j%16],@X[$j%16],@X[($j+8)%16] - add $f,$f,$e - andc $t1,$d,$b - rotlwi $b,$b,30 - or $t0,$t0,$t1 - xor @X[$j%16],@X[$j%16],@X[($j+13)%16] - add $f,$f,$t0 - rotlwi @X[$j%16],@X[$j%16],1 -___ -} - -sub BODY_20_39 { -my ($i,$a,$b,$c,$d,$e,$f)=@_; -my $j=$i+1; -$code.=<<___ if ($i<79); - add $f,$K,$e - rotlwi $e,$a,5 - xor @X[$j%16],@X[$j%16],@X[($j+2)%16] - add $f,$f,@X[$i%16] - xor $t0,$b,$c - xor @X[$j%16],@X[$j%16],@X[($j+8)%16] - add $f,$f,$e - rotlwi $b,$b,30 - xor $t0,$t0,$d - xor @X[$j%16],@X[$j%16],@X[($j+13)%16] - add $f,$f,$t0 - rotlwi @X[$j%16],@X[$j%16],1 -___ -$code.=<<___ if ($i==79); - add $f,$K,$e - rotlwi $e,$a,5 - lwz r16,0($ctx) - add $f,$f,@X[$i%16] - xor $t0,$b,$c - lwz r17,4($ctx) - add $f,$f,$e - rotlwi $b,$b,30 - lwz r18,8($ctx) - xor $t0,$t0,$d - lwz r19,12($ctx) - add $f,$f,$t0 - lwz r20,16($ctx) -___ -} - -sub BODY_40_59 { -my ($i,$a,$b,$c,$d,$e,$f)=@_; -my $j=$i+1; -$code.=<<___; - add $f,$K,$e - rotlwi $e,$a,5 - xor @X[$j%16],@X[$j%16],@X[($j+2)%16] - add $f,$f,@X[$i%16] - and $t0,$b,$c - xor @X[$j%16],@X[$j%16],@X[($j+8)%16] - add $f,$f,$e - or $t1,$b,$c - rotlwi $b,$b,30 - xor @X[$j%16],@X[$j%16],@X[($j+13)%16] - and $t1,$t1,$d - or $t0,$t0,$t1 - rotlwi @X[$j%16],@X[$j%16],1 - add $f,$f,$t0 -___ -} - -$code=<<___; -.machine "any" -.text - -.globl .sha1_block_data_order -.align 4 -.sha1_block_data_order: - mflr r0 - $STU $sp,`-($FRAME+64)`($sp) - $PUSH r0,`$FRAME-$SIZE_T*18`($sp) - $PUSH r15,`$FRAME-$SIZE_T*17`($sp) - $PUSH r16,`$FRAME-$SIZE_T*16`($sp) - $PUSH r17,`$FRAME-$SIZE_T*15`($sp) - $PUSH r18,`$FRAME-$SIZE_T*14`($sp) - $PUSH r19,`$FRAME-$SIZE_T*13`($sp) - $PUSH r20,`$FRAME-$SIZE_T*12`($sp) - $PUSH r21,`$FRAME-$SIZE_T*11`($sp) - $PUSH r22,`$FRAME-$SIZE_T*10`($sp) - $PUSH r23,`$FRAME-$SIZE_T*9`($sp) - $PUSH r24,`$FRAME-$SIZE_T*8`($sp) - $PUSH r25,`$FRAME-$SIZE_T*7`($sp) - $PUSH r26,`$FRAME-$SIZE_T*6`($sp) - $PUSH r27,`$FRAME-$SIZE_T*5`($sp) - $PUSH r28,`$FRAME-$SIZE_T*4`($sp) - $PUSH r29,`$FRAME-$SIZE_T*3`($sp) - $PUSH r30,`$FRAME-$SIZE_T*2`($sp) - $PUSH r31,`$FRAME-$SIZE_T*1`($sp) - lwz $A,0($ctx) - lwz $B,4($ctx) - lwz $C,8($ctx) - lwz $D,12($ctx) - lwz $E,16($ctx) - andi. r0,$inp,3 - bne Lunaligned -Laligned: - mtctr $num - bl Lsha1_block_private -Ldone: - $POP r0,`$FRAME-$SIZE_T*18`($sp) - $POP r15,`$FRAME-$SIZE_T*17`($sp) - $POP r16,`$FRAME-$SIZE_T*16`($sp) - $POP r17,`$FRAME-$SIZE_T*15`($sp) - $POP r18,`$FRAME-$SIZE_T*14`($sp) - $POP r19,`$FRAME-$SIZE_T*13`($sp) - $POP r20,`$FRAME-$SIZE_T*12`($sp) - $POP r21,`$FRAME-$SIZE_T*11`($sp) - $POP r22,`$FRAME-$SIZE_T*10`($sp) - $POP r23,`$FRAME-$SIZE_T*9`($sp) - $POP r24,`$FRAME-$SIZE_T*8`($sp) - $POP r25,`$FRAME-$SIZE_T*7`($sp) - $POP r26,`$FRAME-$SIZE_T*6`($sp) - $POP r27,`$FRAME-$SIZE_T*5`($sp) - $POP r28,`$FRAME-$SIZE_T*4`($sp) - $POP r29,`$FRAME-$SIZE_T*3`($sp) - $POP r30,`$FRAME-$SIZE_T*2`($sp) - $POP r31,`$FRAME-$SIZE_T*1`($sp) - mtlr r0 - addi $sp,$sp,`$FRAME+64` - blr -___ - -# PowerPC specification allows an implementation to be ill-behaved -# upon unaligned access which crosses page boundary. "Better safe -# than sorry" principle makes me treat it specially. But I don't -# look for particular offending word, but rather for 64-byte input -# block which crosses the boundary. Once found that block is aligned -# and hashed separately... -$code.=<<___; -.align 4 -Lunaligned: - subfic $t1,$inp,4096 - andi. $t1,$t1,4095 ; distance to closest page boundary - srwi. $t1,$t1,6 ; t1/=64 - beq Lcross_page - $UCMP $num,$t1 - ble- Laligned ; didn't cross the page boundary - mtctr $t1 - subfc $num,$t1,$num - bl Lsha1_block_private -Lcross_page: - li $t1,16 - mtctr $t1 - addi r20,$sp,$FRAME ; spot below the frame -Lmemcpy: - lbz r16,0($inp) - lbz r17,1($inp) - lbz r18,2($inp) - lbz r19,3($inp) - addi $inp,$inp,4 - stb r16,0(r20) - stb r17,1(r20) - stb r18,2(r20) - stb r19,3(r20) - addi r20,r20,4 - bdnz Lmemcpy - - $PUSH $inp,`$FRAME-$SIZE_T*19`($sp) - li $t1,1 - addi $inp,$sp,$FRAME - mtctr $t1 - bl Lsha1_block_private - $POP $inp,`$FRAME-$SIZE_T*19`($sp) - addic. $num,$num,-1 - bne- Lunaligned - b Ldone -___ - -# This is private block function, which uses tailored calling -# interface, namely upon entry SHA_CTX is pre-loaded to given -# registers and counter register contains amount of chunks to -# digest... -$code.=<<___; -.align 4 -Lsha1_block_private: -___ -$code.=<<___; # load K_00_19 - lis $K,0x5a82 - ori $K,$K,0x7999 -___ -for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; # load K_20_39 - lis $K,0x6ed9 - ori $K,$K,0xeba1 -___ -for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; # load K_40_59 - lis $K,0x8f1b - ori $K,$K,0xbcdc -___ -for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; # load K_60_79 - lis $K,0xca62 - ori $K,$K,0xc1d6 -___ -for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - add r16,r16,$E - add r17,r17,$T - add r18,r18,$A - add r19,r19,$B - add r20,r20,$C - stw r16,0($ctx) - mr $A,r16 - stw r17,4($ctx) - mr $B,r17 - stw r18,8($ctx) - mr $C,r18 - stw r19,12($ctx) - mr $D,r19 - stw r20,16($ctx) - mr $E,r20 - addi $inp,$inp,`16*4` - bdnz- Lsha1_block_private - blr -___ -$code.=<<___; -.asciz "SHA1 block transform for PPC, CRYPTOGAMS by <appro\@fy.chalmers.se>" -___ - -$code =~ s/\`([^\`]*)\`/eval $1/gem; -print $code; -close STDOUT; |