1 #!/usr/bin/env perl 2 3 # ==================================================================== 4 # Written by Andy Polyakov <appro (at] 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 $code =~ s/\bbv\b/bve/gm if ($SIZE_T==8); 259 print $code; 260 close STDOUT; 261
