release/src/router/openssl/crypto/sha/asm/sha1-parisc.pl

   1 #!/usr/bin/env perl
   2
   3 # ====================================================================
   4 # Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
   5 # project. The module is, however, dual licensed under OpenSSL and
   6 # CRYPTOGAMS licenses depending on where you obtain it. For further
   7 # details see http://www.openssl.org/~appro/cryptogams/.
   8 # ====================================================================
   9
  10 # SHA1 block procedure for PA-RISC.
  11
  12 # June 2009.
  13 #
  14 # On PA-7100LC performance is >30% better than gcc 3.2 generated code
  15 # for aligned input and >50% better for unaligned. Compared to vendor
  16 # compiler on PA-8600 it's almost 60% faster in 64-bit build and just
  17 # few percent faster in 32-bit one (this for aligned input, data for
  18 # unaligned input is not available).
  19 #
  20 # Special thanks to polarhome.com for providing HP-UX account.
  21
  22 $flavour = shift;
  23 $output = shift;
  24 open STDOUT,">$output";
  25
  26 if ($flavour =~ /64/) {
  27         $LEVEL          ="2.0W";
  28         $SIZE_T         =8;
  29         $FRAME_MARKER   =80;
  30         $SAVED_RP       =16;
  31         $PUSH           ="std";
  32         $PUSHMA         ="std,ma";
  33         $POP            ="ldd";
  34         $POPMB          ="ldd,mb";
  35 } else {
  36         $LEVEL          ="1.0";
  37         $SIZE_T         =4;
  38         $FRAME_MARKER   =48;
  39         $SAVED_RP       =20;
  40         $PUSH           ="stw";
  41         $PUSHMA         ="stwm";
  42         $POP            ="ldw";
  43         $POPMB          ="ldwm";
  44 }
  45
  46 $FRAME=14*$SIZE_T+$FRAME_MARKER;# 14 saved regs + frame marker
  47                                 #                 [+ argument transfer]
  48 $ctx="%r26";            # arg0
  49 $inp="%r25";            # arg1
  50 $num="%r24";            # arg2
  51
  52 $t0="%r28";
  53 $t1="%r29";
  54 $K="%r31";
  55
  56 @X=("%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", "%r8",
  57     "%r9", "%r10","%r11","%r12","%r13","%r14","%r15","%r16",$t0);
  58
  59 @V=($A,$B,$C,$D,$E)=("%r19","%r20","%r21","%r22","%r23");
  60
  61 sub BODY_00_19 {
  62 my ($i,$a,$b,$c,$d,$e)=@_;
  63 my $j=$i+1;
  64 $code.=<<___ if ($i<15);
  65         addl    $K,$e,$e        ; $i
  66         shd     $a,$a,27,$t1
  67         addl    @X[$i],$e,$e
  68         and     $c,$b,$t0
  69         addl    $t1,$e,$e
  70         andcm   $d,$b,$t1
  71         shd     $b,$b,2,$b
  72         or      $t1,$t0,$t0
  73         addl    $t0,$e,$e
  74 ___
  75 $code.=<<___ if ($i>=15);       # with forward Xupdate
  76         addl    $K,$e,$e        ; $i
  77         shd     $a,$a,27,$t1
  78         xor     @X[($j+2)%16],@X[$j%16],@X[$j%16]
  79         addl    @X[$i%16],$e,$e
  80         and     $c,$b,$t0
  81         xor     @X[($j+8)%16],@X[$j%16],@X[$j%16]
  82         addl    $t1,$e,$e
  83         andcm   $d,$b,$t1
  84         shd     $b,$b,2,$b
  85         or      $t1,$t0,$t0
  86         xor     @X[($j+13)%16],@X[$j%16],@X[$j%16]
  87         add     $t0,$e,$e
  88         shd     @X[$j%16],@X[$j%16],31,@X[$j%16]
  89 ___
  90 }
  91
  92 sub BODY_20_39 {
  93 my ($i,$a,$b,$c,$d,$e)=@_;
  94 my $j=$i+1;
  95 $code.=<<___ if ($i<79);
  96         xor     @X[($j+2)%16],@X[$j%16],@X[$j%16]       ; $i
  97         addl    $K,$e,$e
  98         shd     $a,$a,27,$t1
  99         xor     @X[($j+8)%16],@X[$j%16],@X[$j%16]
 100         addl    @X[$i%16],$e,$e
 101         xor     $b,$c,$t0
 102         xor     @X[($j+13)%16],@X[$j%16],@X[$j%16]
 103         addl    $t1,$e,$e
 104         shd     $b,$b,2,$b
 105         xor     $d,$t0,$t0
 106         shd     @X[$j%16],@X[$j%16],31,@X[$j%16]
 107         addl    $t0,$e,$e
 108 ___
 109 $code.=<<___ if ($i==79);       # with context load
 110         ldw     0($ctx),@X[0]   ; $i
 111         addl    $K,$e,$e
 112         shd     $a,$a,27,$t1
 113         ldw     4($ctx),@X[1]
 114         addl    @X[$i%16],$e,$e
 115         xor     $b,$c,$t0
 116         ldw     8($ctx),@X[2]
 117         addl    $t1,$e,$e
 118         shd     $b,$b,2,$b
 119         xor     $d,$t0,$t0
 120         ldw     12($ctx),@X[3]
 121         addl    $t0,$e,$e
 122         ldw     16($ctx),@X[4]
 123 ___
 124 }
 125
 126 sub BODY_40_59 {
 127 my ($i,$a,$b,$c,$d,$e)=@_;
 128 my $j=$i+1;
 129 $code.=<<___;
 130         shd     $a,$a,27,$t1    ; $i
 131         addl    $K,$e,$e
 132         xor     @X[($j+2)%16],@X[$j%16],@X[$j%16]
 133         xor     $d,$c,$t0
 134         addl    @X[$i%16],$e,$e
 135         xor     @X[($j+8)%16],@X[$j%16],@X[$j%16]
 136         and     $b,$t0,$t0
 137         addl    $t1,$e,$e
 138         shd     $b,$b,2,$b
 139         xor     @X[($j+13)%16],@X[$j%16],@X[$j%16]
 140         addl    $t0,$e,$e
 141         and     $d,$c,$t1
 142         shd     @X[$j%16],@X[$j%16],31,@X[$j%16]
 143         addl    $t1,$e,$e
 144 ___
 145 }
 146
 147 $code=<<___;
 148         .LEVEL  $LEVEL
 149         .SPACE  \$TEXT\$
 150         .SUBSPA \$CODE\$,QUAD=0,ALIGN=8,ACCESS=0x2C,CODE_ONLY
 151
 152         .EXPORT sha1_block_data_order,ENTRY,ARGW0=GR,ARGW1=GR,ARGW2=GR
 153 sha1_block_data_order
 154         .PROC
 155         .CALLINFO       FRAME=`$FRAME-14*$SIZE_T`,NO_CALLS,SAVE_RP,ENTRY_GR=16
 156         .ENTRY
 157         $PUSH   %r2,-$SAVED_RP(%sp)     ; standard prologue
 158         $PUSHMA %r3,$FRAME(%sp)
 159         $PUSH   %r4,`-$FRAME+1*$SIZE_T`(%sp)
 160         $PUSH   %r5,`-$FRAME+2*$SIZE_T`(%sp)
 161         $PUSH   %r6,`-$FRAME+3*$SIZE_T`(%sp)
 162         $PUSH   %r7,`-$FRAME+4*$SIZE_T`(%sp)
 163         $PUSH   %r8,`-$FRAME+5*$SIZE_T`(%sp)
 164         $PUSH   %r9,`-$FRAME+6*$SIZE_T`(%sp)
 165         $PUSH   %r10,`-$FRAME+7*$SIZE_T`(%sp)
 166         $PUSH   %r11,`-$FRAME+8*$SIZE_T`(%sp)
 167         $PUSH   %r12,`-$FRAME+9*$SIZE_T`(%sp)
 168         $PUSH   %r13,`-$FRAME+10*$SIZE_T`(%sp)
 169         $PUSH   %r14,`-$FRAME+11*$SIZE_T`(%sp)
 170         $PUSH   %r15,`-$FRAME+12*$SIZE_T`(%sp)
 171         $PUSH   %r16,`-$FRAME+13*$SIZE_T`(%sp)
 172
 173         ldw     0($ctx),$A
 174         ldw     4($ctx),$B
 175         ldw     8($ctx),$C
 176         ldw     12($ctx),$D
 177         ldw     16($ctx),$E
 178
 179         extru   $inp,31,2,$t0           ; t0=inp&3;
 180         sh3addl $t0,%r0,$t0             ; t0*=8;
 181         subi    32,$t0,$t0              ; t0=32-t0;
 182         mtctl   $t0,%cr11               ; %sar=t0;
 183
 184 L\$oop
 185         ldi     3,$t0
 186         andcm   $inp,$t0,$t0            ; 64-bit neutral
 187 ___
 188         for ($i=0;$i<15;$i++) {         # load input block
 189         $code.="\tldw   `4*$i`($t0),@X[$i]\n";          }
 190 $code.=<<___;
 191         cmpb,*= $inp,$t0,L\$aligned
 192         ldw     60($t0),@X[15]
 193         ldw     64($t0),@X[16]
 194 ___
 195         for ($i=0;$i<16;$i++) {         # align input
 196         $code.="\tvshd  @X[$i],@X[$i+1],@X[$i]\n";      }
 197 $code.=<<___;
 198 L\$aligned
 199         ldil    L'0x5a827000,$K         ; K_00_19
 200         ldo     0x999($K),$K
 201 ___
 202 for ($i=0;$i<20;$i++)   { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
 203 $code.=<<___;
 204         ldil    L'0x6ed9e000,$K         ; K_20_39
 205         ldo     0xba1($K),$K
 206 ___
 207
 208 for (;$i<40;$i++)       { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
 209 $code.=<<___;
 210         ldil    L'0x8f1bb000,$K         ; K_40_59
 211         ldo     0xcdc($K),$K
 212 ___
 213
 214 for (;$i<60;$i++)       { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
 215 $code.=<<___;
 216         ldil    L'0xca62c000,$K         ; K_60_79
 217         ldo     0x1d6($K),$K
 218 ___
 219 for (;$i<80;$i++)       { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
 220
 221 $code.=<<___;
 222         addl    @X[0],$A,$A
 223         addl    @X[1],$B,$B
 224         addl    @X[2],$C,$C
 225         addl    @X[3],$D,$D
 226         addl    @X[4],$E,$E
 227         stw     $A,0($ctx)
 228         stw     $B,4($ctx)
 229         stw     $C,8($ctx)
 230         stw     $D,12($ctx)
 231         stw     $E,16($ctx)
 232         addib,*<> -1,$num,L\$oop
 233         ldo     64($inp),$inp
 234
 235         $POP    `-$FRAME-$SAVED_RP`(%sp),%r2    ; standard epilogue
 236         $POP    `-$FRAME+1*$SIZE_T`(%sp),%r4
 237         $POP    `-$FRAME+2*$SIZE_T`(%sp),%r5
 238         $POP    `-$FRAME+3*$SIZE_T`(%sp),%r6
 239         $POP    `-$FRAME+4*$SIZE_T`(%sp),%r7
 240         $POP    `-$FRAME+5*$SIZE_T`(%sp),%r8
 241         $POP    `-$FRAME+6*$SIZE_T`(%sp),%r9
 242         $POP    `-$FRAME+7*$SIZE_T`(%sp),%r10
 243         $POP    `-$FRAME+8*$SIZE_T`(%sp),%r11
 244         $POP    `-$FRAME+9*$SIZE_T`(%sp),%r12
 245         $POP    `-$FRAME+10*$SIZE_T`(%sp),%r13
 246         $POP    `-$FRAME+11*$SIZE_T`(%sp),%r14
 247         $POP    `-$FRAME+12*$SIZE_T`(%sp),%r15
 248         $POP    `-$FRAME+13*$SIZE_T`(%sp),%r16
 249         bv      (%r2)
 250         .EXIT
 251         $POPMB  -$FRAME(%sp),%r3
 252         .PROCEND
 253         .STRINGZ "SHA1 block transform for PA-RISC, CRYPTOGAMS by <appro\@openssl.org>"
 254 ___
 255
 256 $code =~ s/\`([^\`]*)\`/eval $1/gem;
 257 $code =~ s/,\*/,/gm if ($SIZE_T==4);
 258 print $code;
 259 close STDOUT;