diff options
Diffstat (limited to 'main/openssl/crypto/sha/asm/sha1-mips.pl')
m--------- | main/openssl | 0 | ||||
-rw-r--r-- | main/openssl/crypto/sha/asm/sha1-mips.pl | 354 |
2 files changed, 0 insertions, 354 deletions
diff --git a/main/openssl b/main/openssl new file mode 160000 +Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51 diff --git a/main/openssl/crypto/sha/asm/sha1-mips.pl b/main/openssl/crypto/sha/asm/sha1-mips.pl deleted file mode 100644 index 197bc6b5..00000000 --- a/main/openssl/crypto/sha/asm/sha1-mips.pl +++ /dev/null @@ -1,354 +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/. -# ==================================================================== - -# SHA1 block procedure for MIPS. - -# Performance improvement is 30% on unaligned input. The "secret" is -# to deploy lwl/lwr pair to load unaligned input. One could have -# vectorized Xupdate on MIPSIII/IV, but the goal was to code MIPS32- -# compatible subroutine. There is room for minor optimization on -# little-endian platforms... - -###################################################################### -# There is a number of MIPS ABI in use, O32 and N32/64 are most -# widely used. Then there is a new contender: NUBI. It appears that if -# one picks the latter, it's possible to arrange code in ABI neutral -# manner. Therefore let's stick to NUBI register layout: -# -($zero,$at,$t0,$t1,$t2)=map("\$$_",(0..2,24,25)); -($a0,$a1,$a2,$a3,$a4,$a5,$a6,$a7)=map("\$$_",(4..11)); -($s0,$s1,$s2,$s3,$s4,$s5,$s6,$s7,$s8,$s9,$s10,$s11)=map("\$$_",(12..23)); -($gp,$tp,$sp,$fp,$ra)=map("\$$_",(3,28..31)); -# -# The return value is placed in $a0. Following coding rules facilitate -# interoperability: -# -# - never ever touch $tp, "thread pointer", former $gp; -# - copy return value to $t0, former $v0 [or to $a0 if you're adapting -# old code]; -# - on O32 populate $a4-$a7 with 'lw $aN,4*N($sp)' if necessary; -# -# For reference here is register layout for N32/64 MIPS ABIs: -# -# ($zero,$at,$v0,$v1)=map("\$$_",(0..3)); -# ($a0,$a1,$a2,$a3,$a4,$a5,$a6,$a7)=map("\$$_",(4..11)); -# ($t0,$t1,$t2,$t3,$t8,$t9)=map("\$$_",(12..15,24,25)); -# ($s0,$s1,$s2,$s3,$s4,$s5,$s6,$s7)=map("\$$_",(16..23)); -# ($gp,$sp,$fp,$ra)=map("\$$_",(28..31)); -# -$flavour = shift; # supported flavours are o32,n32,64,nubi32,nubi64 - -if ($flavour =~ /64|n32/i) { - $PTR_ADD="dadd"; # incidentally works even on n32 - $PTR_SUB="dsub"; # incidentally works even on n32 - $REG_S="sd"; - $REG_L="ld"; - $PTR_SLL="dsll"; # incidentally works even on n32 - $SZREG=8; -} else { - $PTR_ADD="add"; - $PTR_SUB="sub"; - $REG_S="sw"; - $REG_L="lw"; - $PTR_SLL="sll"; - $SZREG=4; -} -# -# <appro@openssl.org> -# -###################################################################### - -$big_endian=(`echo MIPSEL | $ENV{CC} -E -`=~/MIPSEL/)?1:0 if ($ENV{CC}); - -for (@ARGV) { $output=$_ if (/^\w[\w\-]*\.\w+$/); } -open STDOUT,">$output"; - -if (!defined($big_endian)) - { $big_endian=(unpack('L',pack('N',1))==1); } - -# offsets of the Most and Least Significant Bytes -$MSB=$big_endian?0:3; -$LSB=3&~$MSB; - -@X=map("\$$_",(8..23)); # a4-a7,s0-s11 - -$ctx=$a0; -$inp=$a1; -$num=$a2; -$A="\$1"; -$B="\$2"; -$C="\$3"; -$D="\$7"; -$E="\$24"; @V=($A,$B,$C,$D,$E); -$t0="\$25"; -$t1=$num; # $num is offloaded to stack -$t2="\$30"; # fp -$K="\$31"; # ra - -sub BODY_00_14 { -my ($i,$a,$b,$c,$d,$e)=@_; -my $j=$i+1; -$code.=<<___ if (!$big_endian); - srl $t0,@X[$i],24 # byte swap($i) - srl $t1,@X[$i],8 - andi $t2,@X[$i],0xFF00 - sll @X[$i],@X[$i],24 - andi $t1,0xFF00 - sll $t2,$t2,8 - or @X[$i],$t0 - or $t1,$t2 - or @X[$i],$t1 -___ -$code.=<<___; - lwl @X[$j],$j*4+$MSB($inp) - sll $t0,$a,5 # $i - addu $e,$K - lwr @X[$j],$j*4+$LSB($inp) - srl $t1,$a,27 - addu $e,$t0 - xor $t0,$c,$d - addu $e,$t1 - sll $t2,$b,30 - and $t0,$b - srl $b,$b,2 - xor $t0,$d - addu $e,@X[$i] - or $b,$t2 - addu $e,$t0 -___ -} - -sub BODY_15_19 { -my ($i,$a,$b,$c,$d,$e)=@_; -my $j=$i+1; - -$code.=<<___ if (!$big_endian && $i==15); - srl $t0,@X[$i],24 # byte swap($i) - srl $t1,@X[$i],8 - andi $t2,@X[$i],0xFF00 - sll @X[$i],@X[$i],24 - andi $t1,0xFF00 - sll $t2,$t2,8 - or @X[$i],$t0 - or @X[$i],$t1 - or @X[$i],$t2 -___ -$code.=<<___; - xor @X[$j%16],@X[($j+2)%16] - sll $t0,$a,5 # $i - addu $e,$K - srl $t1,$a,27 - addu $e,$t0 - xor @X[$j%16],@X[($j+8)%16] - xor $t0,$c,$d - addu $e,$t1 - xor @X[$j%16],@X[($j+13)%16] - sll $t2,$b,30 - and $t0,$b - srl $t1,@X[$j%16],31 - addu @X[$j%16],@X[$j%16] - srl $b,$b,2 - xor $t0,$d - or @X[$j%16],$t1 - addu $e,@X[$i%16] - or $b,$t2 - addu $e,$t0 -___ -} - -sub BODY_20_39 { -my ($i,$a,$b,$c,$d,$e)=@_; -my $j=$i+1; -$code.=<<___ if ($i<79); - xor @X[$j%16],@X[($j+2)%16] - sll $t0,$a,5 # $i - addu $e,$K - srl $t1,$a,27 - addu $e,$t0 - xor @X[$j%16],@X[($j+8)%16] - xor $t0,$c,$d - addu $e,$t1 - xor @X[$j%16],@X[($j+13)%16] - sll $t2,$b,30 - xor $t0,$b - srl $t1,@X[$j%16],31 - addu @X[$j%16],@X[$j%16] - srl $b,$b,2 - addu $e,@X[$i%16] - or @X[$j%16],$t1 - or $b,$t2 - addu $e,$t0 -___ -$code.=<<___ if ($i==79); - lw @X[0],0($ctx) - sll $t0,$a,5 # $i - addu $e,$K - lw @X[1],4($ctx) - srl $t1,$a,27 - addu $e,$t0 - lw @X[2],8($ctx) - xor $t0,$c,$d - addu $e,$t1 - lw @X[3],12($ctx) - sll $t2,$b,30 - xor $t0,$b - lw @X[4],16($ctx) - srl $b,$b,2 - addu $e,@X[$i%16] - or $b,$t2 - addu $e,$t0 -___ -} - -sub BODY_40_59 { -my ($i,$a,$b,$c,$d,$e)=@_; -my $j=$i+1; -$code.=<<___ if ($i<79); - xor @X[$j%16],@X[($j+2)%16] - sll $t0,$a,5 # $i - addu $e,$K - srl $t1,$a,27 - addu $e,$t0 - xor @X[$j%16],@X[($j+8)%16] - and $t0,$c,$d - addu $e,$t1 - xor @X[$j%16],@X[($j+13)%16] - sll $t2,$b,30 - addu $e,$t0 - srl $t1,@X[$j%16],31 - xor $t0,$c,$d - addu @X[$j%16],@X[$j%16] - and $t0,$b - srl $b,$b,2 - or @X[$j%16],$t1 - addu $e,@X[$i%16] - or $b,$t2 - addu $e,$t0 -___ -} - -$FRAMESIZE=16; # large enough to accomodate NUBI saved registers -$SAVED_REGS_MASK = ($flavour =~ /nubi/i) ? 0xc0fff008 : 0xc0ff0000; - -$code=<<___; -#ifdef OPENSSL_FIPSCANISTER -# include <openssl/fipssyms.h> -#endif - -.text - -.set noat -.set noreorder -.align 5 -.globl sha1_block_data_order -.ent sha1_block_data_order -sha1_block_data_order: - .frame $sp,$FRAMESIZE*$SZREG,$ra - .mask $SAVED_REGS_MASK,-$SZREG - .set noreorder - $PTR_SUB $sp,$FRAMESIZE*$SZREG - $REG_S $ra,($FRAMESIZE-1)*$SZREG($sp) - $REG_S $fp,($FRAMESIZE-2)*$SZREG($sp) - $REG_S $s11,($FRAMESIZE-3)*$SZREG($sp) - $REG_S $s10,($FRAMESIZE-4)*$SZREG($sp) - $REG_S $s9,($FRAMESIZE-5)*$SZREG($sp) - $REG_S $s8,($FRAMESIZE-6)*$SZREG($sp) - $REG_S $s7,($FRAMESIZE-7)*$SZREG($sp) - $REG_S $s6,($FRAMESIZE-8)*$SZREG($sp) - $REG_S $s5,($FRAMESIZE-9)*$SZREG($sp) - $REG_S $s4,($FRAMESIZE-10)*$SZREG($sp) -___ -$code.=<<___ if ($flavour =~ /nubi/i); # optimize non-nubi prologue - $REG_S $s3,($FRAMESIZE-11)*$SZREG($sp) - $REG_S $s2,($FRAMESIZE-12)*$SZREG($sp) - $REG_S $s1,($FRAMESIZE-13)*$SZREG($sp) - $REG_S $s0,($FRAMESIZE-14)*$SZREG($sp) - $REG_S $gp,($FRAMESIZE-15)*$SZREG($sp) -___ -$code.=<<___; - $PTR_SLL $num,6 - $PTR_ADD $num,$inp - $REG_S $num,0($sp) - lw $A,0($ctx) - lw $B,4($ctx) - lw $C,8($ctx) - lw $D,12($ctx) - b .Loop - lw $E,16($ctx) -.align 4 -.Loop: - .set reorder - lwl @X[0],$MSB($inp) - lui $K,0x5a82 - lwr @X[0],$LSB($inp) - ori $K,0x7999 # K_00_19 -___ -for ($i=0;$i<15;$i++) { &BODY_00_14($i,@V); unshift(@V,pop(@V)); } -for (;$i<20;$i++) { &BODY_15_19($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - lui $K,0x6ed9 - ori $K,0xeba1 # K_20_39 -___ -for (;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - lui $K,0x8f1b - ori $K,0xbcdc # K_40_59 -___ -for (;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - lui $K,0xca62 - ori $K,0xc1d6 # K_60_79 -___ -for (;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - $PTR_ADD $inp,64 - $REG_L $num,0($sp) - - addu $A,$X[0] - addu $B,$X[1] - sw $A,0($ctx) - addu $C,$X[2] - addu $D,$X[3] - sw $B,4($ctx) - addu $E,$X[4] - sw $C,8($ctx) - sw $D,12($ctx) - sw $E,16($ctx) - .set noreorder - bne $inp,$num,.Loop - nop - - .set noreorder - $REG_L $ra,($FRAMESIZE-1)*$SZREG($sp) - $REG_L $fp,($FRAMESIZE-2)*$SZREG($sp) - $REG_L $s11,($FRAMESIZE-3)*$SZREG($sp) - $REG_L $s10,($FRAMESIZE-4)*$SZREG($sp) - $REG_L $s9,($FRAMESIZE-5)*$SZREG($sp) - $REG_L $s8,($FRAMESIZE-6)*$SZREG($sp) - $REG_L $s7,($FRAMESIZE-7)*$SZREG($sp) - $REG_L $s6,($FRAMESIZE-8)*$SZREG($sp) - $REG_L $s5,($FRAMESIZE-9)*$SZREG($sp) - $REG_L $s4,($FRAMESIZE-10)*$SZREG($sp) -___ -$code.=<<___ if ($flavour =~ /nubi/i); - $REG_L $s3,($FRAMESIZE-11)*$SZREG($sp) - $REG_L $s2,($FRAMESIZE-12)*$SZREG($sp) - $REG_L $s1,($FRAMESIZE-13)*$SZREG($sp) - $REG_L $s0,($FRAMESIZE-14)*$SZREG($sp) - $REG_L $gp,($FRAMESIZE-15)*$SZREG($sp) -___ -$code.=<<___; - jr $ra - $PTR_ADD $sp,$FRAMESIZE*$SZREG -.end sha1_block_data_order -.rdata -.asciiz "SHA1 for MIPS, CRYPTOGAMS by <appro\@openssl.org>" -___ -print $code; -close STDOUT; |