1#! /usr/bin/env perl 2# Copyright 2014-2020 The OpenSSL Project Authors. All Rights Reserved. 3# 4# Licensed under the OpenSSL license (the "License"). You may not use 5# this file except in compliance with the License. You can obtain a copy 6# in the file LICENSE in the source distribution or at 7# https://www.openssl.org/source/license.html 8 9# ==================================================================== 10# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL 11# project. The module is, however, dual licensed under OpenSSL and 12# CRYPTOGAMS licenses depending on where you obtain it. For further 13# details see http://www.openssl.org/~appro/cryptogams/. 14# 15# Permission to use under GPLv2 terms is granted. 16# ==================================================================== 17# 18# SHA256/512 for ARMv8. 19# 20# Performance in cycles per processed byte and improvement coefficient 21# over code generated with "default" compiler: 22# 23# SHA256-hw SHA256(*) SHA512 24# Apple A7 1.97 10.5 (+33%) 6.73 (-1%(**)) 25# Cortex-A53 2.38 15.5 (+115%) 10.0 (+150%(***)) 26# Cortex-A57 2.31 11.6 (+86%) 7.51 (+260%(***)) 27# Denver 2.01 10.5 (+26%) 6.70 (+8%) 28# X-Gene 20.0 (+100%) 12.8 (+300%(***)) 29# Mongoose 2.36 13.0 (+50%) 8.36 (+33%) 30# Kryo 1.92 17.4 (+30%) 11.2 (+8%) 31# 32# (*) Software SHA256 results are of lesser relevance, presented 33# mostly for informational purposes. 34# (**) The result is a trade-off: it's possible to improve it by 35# 10% (or by 1 cycle per round), but at the cost of 20% loss 36# on Cortex-A53 (or by 4 cycles per round). 37# (***) Super-impressive coefficients over gcc-generated code are 38# indication of some compiler "pathology", most notably code 39# generated with -mgeneral-regs-only is significantly faster 40# and the gap is only 40-90%. 41 42my ($flavour, $output) = @ARGV; 43 44if ($output =~ /sha512-armv8/) { 45 $BITS=512; 46 $SZ=8; 47 @Sigma0=(28,34,39); 48 @Sigma1=(14,18,41); 49 @sigma0=(1, 8, 7); 50 @sigma1=(19,61, 6); 51 $rounds=80; 52 $reg_t="x"; 53} else { 54 $BITS=256; 55 $SZ=4; 56 @Sigma0=( 2,13,22); 57 @Sigma1=( 6,11,25); 58 @sigma0=( 7,18, 3); 59 @sigma1=(17,19,10); 60 $rounds=64; 61 $reg_t="w"; 62} 63 64if ($flavour && $flavour ne "void") { 65 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; 66 ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or 67 ( $xlate="${dir}../../../perlasm/arm-xlate.pl" and -f $xlate) or 68 die "can't locate arm-xlate.pl"; 69 70 open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\""; 71 *STDOUT=*OUT; 72} else { 73 open OUT,">$output"; 74 *STDOUT=*OUT; 75} 76 77$func="sha${BITS}_block_data_order"; 78 79($ctx,$inp,$num,$Ktbl)=map("x$_",(0..2,30)); 80 81@X=map("$reg_t$_",(3..15,0..2)); 82@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("$reg_t$_",(20..27)); 83($t0,$t1,$t2,$t3)=map("$reg_t$_",(16,17,19,28)); 84 85sub BODY_00_xx { 86my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_; 87my $j=($i+1)&15; 88my ($T0,$T1,$T2)=(@X[($i-8)&15],@X[($i-9)&15],@X[($i-10)&15]); 89 $T0=@X[$i+3] if ($i<11); 90 91$code.=<<___ if ($i<16); 92#ifndef __AARCH64EB__ 93 rev @X[$i],@X[$i] // $i 94#endif 95___ 96$code.=<<___ if ($i<13 && ($i&1)); 97 ldp @X[$i+1],@X[$i+2],[$inp],#2*$SZ 98___ 99$code.=<<___ if ($i==13); 100 ldp @X[14],@X[15],[$inp] 101___ 102$code.=<<___ if ($i>=14); 103 ldr @X[($i-11)&15],[sp,#`$SZ*(($i-11)%4)`] 104___ 105$code.=<<___ if ($i>0 && $i<16); 106 add $a,$a,$t1 // h+=Sigma0(a) 107___ 108$code.=<<___ if ($i>=11); 109 str @X[($i-8)&15],[sp,#`$SZ*(($i-8)%4)`] 110___ 111# While ARMv8 specifies merged rotate-n-logical operation such as 112# 'eor x,y,z,ror#n', it was found to negatively affect performance 113# on Apple A7. The reason seems to be that it requires even 'y' to 114# be available earlier. This means that such merged instruction is 115# not necessarily best choice on critical path... On the other hand 116# Cortex-A5x handles merged instructions much better than disjoint 117# rotate and logical... See (**) footnote above. 118$code.=<<___ if ($i<15); 119 ror $t0,$e,#$Sigma1[0] 120 add $h,$h,$t2 // h+=K[i] 121 eor $T0,$e,$e,ror#`$Sigma1[2]-$Sigma1[1]` 122 and $t1,$f,$e 123 bic $t2,$g,$e 124 add $h,$h,@X[$i&15] // h+=X[i] 125 orr $t1,$t1,$t2 // Ch(e,f,g) 126 eor $t2,$a,$b // a^b, b^c in next round 127 eor $t0,$t0,$T0,ror#$Sigma1[1] // Sigma1(e) 128 ror $T0,$a,#$Sigma0[0] 129 add $h,$h,$t1 // h+=Ch(e,f,g) 130 eor $t1,$a,$a,ror#`$Sigma0[2]-$Sigma0[1]` 131 add $h,$h,$t0 // h+=Sigma1(e) 132 and $t3,$t3,$t2 // (b^c)&=(a^b) 133 add $d,$d,$h // d+=h 134 eor $t3,$t3,$b // Maj(a,b,c) 135 eor $t1,$T0,$t1,ror#$Sigma0[1] // Sigma0(a) 136 add $h,$h,$t3 // h+=Maj(a,b,c) 137 ldr $t3,[$Ktbl],#$SZ // *K++, $t2 in next round 138 //add $h,$h,$t1 // h+=Sigma0(a) 139___ 140$code.=<<___ if ($i>=15); 141 ror $t0,$e,#$Sigma1[0] 142 add $h,$h,$t2 // h+=K[i] 143 ror $T1,@X[($j+1)&15],#$sigma0[0] 144 and $t1,$f,$e 145 ror $T2,@X[($j+14)&15],#$sigma1[0] 146 bic $t2,$g,$e 147 ror $T0,$a,#$Sigma0[0] 148 add $h,$h,@X[$i&15] // h+=X[i] 149 eor $t0,$t0,$e,ror#$Sigma1[1] 150 eor $T1,$T1,@X[($j+1)&15],ror#$sigma0[1] 151 orr $t1,$t1,$t2 // Ch(e,f,g) 152 eor $t2,$a,$b // a^b, b^c in next round 153 eor $t0,$t0,$e,ror#$Sigma1[2] // Sigma1(e) 154 eor $T0,$T0,$a,ror#$Sigma0[1] 155 add $h,$h,$t1 // h+=Ch(e,f,g) 156 and $t3,$t3,$t2 // (b^c)&=(a^b) 157 eor $T2,$T2,@X[($j+14)&15],ror#$sigma1[1] 158 eor $T1,$T1,@X[($j+1)&15],lsr#$sigma0[2] // sigma0(X[i+1]) 159 add $h,$h,$t0 // h+=Sigma1(e) 160 eor $t3,$t3,$b // Maj(a,b,c) 161 eor $t1,$T0,$a,ror#$Sigma0[2] // Sigma0(a) 162 eor $T2,$T2,@X[($j+14)&15],lsr#$sigma1[2] // sigma1(X[i+14]) 163 add @X[$j],@X[$j],@X[($j+9)&15] 164 add $d,$d,$h // d+=h 165 add $h,$h,$t3 // h+=Maj(a,b,c) 166 ldr $t3,[$Ktbl],#$SZ // *K++, $t2 in next round 167 add @X[$j],@X[$j],$T1 168 add $h,$h,$t1 // h+=Sigma0(a) 169 add @X[$j],@X[$j],$T2 170___ 171 ($t2,$t3)=($t3,$t2); 172} 173 174$code.=<<___; 175#ifndef __KERNEL__ 176# include <ring-core/arm_arch.h> 177#endif 178 179.text 180 181.extern OPENSSL_armcap_P 182.hidden OPENSSL_armcap_P 183.globl $func 184.type $func,%function 185.align 6 186$func: 187 AARCH64_VALID_CALL_TARGET 188#ifndef __KERNEL__ 189#if defined(OPENSSL_HWASAN) && __clang_major__ >= 10 190 adrp x16,:pg_hi21_nc:OPENSSL_armcap_P 191#else 192 adrp x16,:pg_hi21:OPENSSL_armcap_P 193#endif 194 ldr w16,[x16,:lo12:OPENSSL_armcap_P] 195___ 196$code.=<<___ if ($SZ==4); 197 tst w16,#ARMV8_SHA256 198 b.ne .Lv8_entry 199___ 200$code.=<<___ if ($SZ==8); 201 tst w16,#ARMV8_SHA512 202 b.ne .Lv8_entry 203___ 204$code.=<<___; 205#endif 206 AARCH64_SIGN_LINK_REGISTER 207 stp x29,x30,[sp,#-128]! 208 add x29,sp,#0 209 210 stp x19,x20,[sp,#16] 211 stp x21,x22,[sp,#32] 212 stp x23,x24,[sp,#48] 213 stp x25,x26,[sp,#64] 214 stp x27,x28,[sp,#80] 215 sub sp,sp,#4*$SZ 216 217 ldp $A,$B,[$ctx] // load context 218 ldp $C,$D,[$ctx,#2*$SZ] 219 ldp $E,$F,[$ctx,#4*$SZ] 220 add $num,$inp,$num,lsl#`log(16*$SZ)/log(2)` // end of input 221 ldp $G,$H,[$ctx,#6*$SZ] 222 adrp $Ktbl,:pg_hi21:.LK$BITS 223 add $Ktbl,$Ktbl,:lo12:.LK$BITS 224 stp $ctx,$num,[x29,#96] 225 226.Loop: 227 ldp @X[0],@X[1],[$inp],#2*$SZ 228 ldr $t2,[$Ktbl],#$SZ // *K++ 229 eor $t3,$B,$C // magic seed 230 str $inp,[x29,#112] 231___ 232for ($i=0;$i<16;$i++) { &BODY_00_xx($i,@V); unshift(@V,pop(@V)); } 233$code.=".Loop_16_xx:\n"; 234for (;$i<32;$i++) { &BODY_00_xx($i,@V); unshift(@V,pop(@V)); } 235$code.=<<___; 236 cbnz $t2,.Loop_16_xx 237 238 ldp $ctx,$num,[x29,#96] 239 ldr $inp,[x29,#112] 240 sub $Ktbl,$Ktbl,#`$SZ*($rounds+1)` // rewind 241 242 ldp @X[0],@X[1],[$ctx] 243 ldp @X[2],@X[3],[$ctx,#2*$SZ] 244 add $inp,$inp,#14*$SZ // advance input pointer 245 ldp @X[4],@X[5],[$ctx,#4*$SZ] 246 add $A,$A,@X[0] 247 ldp @X[6],@X[7],[$ctx,#6*$SZ] 248 add $B,$B,@X[1] 249 add $C,$C,@X[2] 250 add $D,$D,@X[3] 251 stp $A,$B,[$ctx] 252 add $E,$E,@X[4] 253 add $F,$F,@X[5] 254 stp $C,$D,[$ctx,#2*$SZ] 255 add $G,$G,@X[6] 256 add $H,$H,@X[7] 257 cmp $inp,$num 258 stp $E,$F,[$ctx,#4*$SZ] 259 stp $G,$H,[$ctx,#6*$SZ] 260 b.ne .Loop 261 262 ldp x19,x20,[x29,#16] 263 add sp,sp,#4*$SZ 264 ldp x21,x22,[x29,#32] 265 ldp x23,x24,[x29,#48] 266 ldp x25,x26,[x29,#64] 267 ldp x27,x28,[x29,#80] 268 ldp x29,x30,[sp],#128 269 AARCH64_VALIDATE_LINK_REGISTER 270 ret 271.size $func,.-$func 272 273.section .rodata 274.align 6 275.type .LK$BITS,%object 276.LK$BITS: 277___ 278$code.=<<___ if ($SZ==8); 279 .quad 0x428a2f98d728ae22,0x7137449123ef65cd 280 .quad 0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc 281 .quad 0x3956c25bf348b538,0x59f111f1b605d019 282 .quad 0x923f82a4af194f9b,0xab1c5ed5da6d8118 283 .quad 0xd807aa98a3030242,0x12835b0145706fbe 284 .quad 0x243185be4ee4b28c,0x550c7dc3d5ffb4e2 285 .quad 0x72be5d74f27b896f,0x80deb1fe3b1696b1 286 .quad 0x9bdc06a725c71235,0xc19bf174cf692694 287 .quad 0xe49b69c19ef14ad2,0xefbe4786384f25e3 288 .quad 0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65 289 .quad 0x2de92c6f592b0275,0x4a7484aa6ea6e483 290 .quad 0x5cb0a9dcbd41fbd4,0x76f988da831153b5 291 .quad 0x983e5152ee66dfab,0xa831c66d2db43210 292 .quad 0xb00327c898fb213f,0xbf597fc7beef0ee4 293 .quad 0xc6e00bf33da88fc2,0xd5a79147930aa725 294 .quad 0x06ca6351e003826f,0x142929670a0e6e70 295 .quad 0x27b70a8546d22ffc,0x2e1b21385c26c926 296 .quad 0x4d2c6dfc5ac42aed,0x53380d139d95b3df 297 .quad 0x650a73548baf63de,0x766a0abb3c77b2a8 298 .quad 0x81c2c92e47edaee6,0x92722c851482353b 299 .quad 0xa2bfe8a14cf10364,0xa81a664bbc423001 300 .quad 0xc24b8b70d0f89791,0xc76c51a30654be30 301 .quad 0xd192e819d6ef5218,0xd69906245565a910 302 .quad 0xf40e35855771202a,0x106aa07032bbd1b8 303 .quad 0x19a4c116b8d2d0c8,0x1e376c085141ab53 304 .quad 0x2748774cdf8eeb99,0x34b0bcb5e19b48a8 305 .quad 0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb 306 .quad 0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3 307 .quad 0x748f82ee5defb2fc,0x78a5636f43172f60 308 .quad 0x84c87814a1f0ab72,0x8cc702081a6439ec 309 .quad 0x90befffa23631e28,0xa4506cebde82bde9 310 .quad 0xbef9a3f7b2c67915,0xc67178f2e372532b 311 .quad 0xca273eceea26619c,0xd186b8c721c0c207 312 .quad 0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178 313 .quad 0x06f067aa72176fba,0x0a637dc5a2c898a6 314 .quad 0x113f9804bef90dae,0x1b710b35131c471b 315 .quad 0x28db77f523047d84,0x32caab7b40c72493 316 .quad 0x3c9ebe0a15c9bebc,0x431d67c49c100d4c 317 .quad 0x4cc5d4becb3e42b6,0x597f299cfc657e2a 318 .quad 0x5fcb6fab3ad6faec,0x6c44198c4a475817 319 .quad 0 // terminator 320___ 321$code.=<<___ if ($SZ==4); 322 .long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5 323 .long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5 324 .long 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3 325 .long 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174 326 .long 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc 327 .long 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da 328 .long 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7 329 .long 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967 330 .long 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13 331 .long 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85 332 .long 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3 333 .long 0xd192e819,0xd6990624,0xf40e3585,0x106aa070 334 .long 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5 335 .long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3 336 .long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208 337 .long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2 338 .long 0 //terminator 339___ 340$code.=<<___; 341.size .LK$BITS,.-.LK$BITS 342.asciz "SHA$BITS block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>" 343.align 2 344___ 345 346if ($SZ==4) { 347my $Ktbl="x3"; 348 349my ($ABCD,$EFGH,$abcd)=map("v$_.16b",(0..2)); 350my @MSG=map("v$_.16b",(4..7)); 351my ($W0,$W1)=("v16.4s","v17.4s"); 352my ($ABCD_SAVE,$EFGH_SAVE)=("v18.16b","v19.16b"); 353 354$code.=<<___; 355.text 356#ifndef __KERNEL__ 357.type sha256_block_armv8,%function 358.align 6 359sha256_block_armv8: 360.Lv8_entry: 361 // Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later. 362 stp x29,x30,[sp,#-16]! 363 add x29,sp,#0 364 365 ld1.32 {$ABCD,$EFGH},[$ctx] 366 adrp $Ktbl,:pg_hi21:.LK256 367 add $Ktbl,$Ktbl,:lo12:.LK256 368 369.Loop_hw: 370 ld1 {@MSG[0]-@MSG[3]},[$inp],#64 371 sub $num,$num,#1 372 ld1.32 {$W0},[$Ktbl],#16 373 rev32 @MSG[0],@MSG[0] 374 rev32 @MSG[1],@MSG[1] 375 rev32 @MSG[2],@MSG[2] 376 rev32 @MSG[3],@MSG[3] 377 orr $ABCD_SAVE,$ABCD,$ABCD // offload 378 orr $EFGH_SAVE,$EFGH,$EFGH 379___ 380for($i=0;$i<12;$i++) { 381$code.=<<___; 382 ld1.32 {$W1},[$Ktbl],#16 383 add.i32 $W0,$W0,@MSG[0] 384 sha256su0 @MSG[0],@MSG[1] 385 orr $abcd,$ABCD,$ABCD 386 sha256h $ABCD,$EFGH,$W0 387 sha256h2 $EFGH,$abcd,$W0 388 sha256su1 @MSG[0],@MSG[2],@MSG[3] 389___ 390 ($W0,$W1)=($W1,$W0); push(@MSG,shift(@MSG)); 391} 392$code.=<<___; 393 ld1.32 {$W1},[$Ktbl],#16 394 add.i32 $W0,$W0,@MSG[0] 395 orr $abcd,$ABCD,$ABCD 396 sha256h $ABCD,$EFGH,$W0 397 sha256h2 $EFGH,$abcd,$W0 398 399 ld1.32 {$W0},[$Ktbl],#16 400 add.i32 $W1,$W1,@MSG[1] 401 orr $abcd,$ABCD,$ABCD 402 sha256h $ABCD,$EFGH,$W1 403 sha256h2 $EFGH,$abcd,$W1 404 405 ld1.32 {$W1},[$Ktbl] 406 add.i32 $W0,$W0,@MSG[2] 407 sub $Ktbl,$Ktbl,#$rounds*$SZ-16 // rewind 408 orr $abcd,$ABCD,$ABCD 409 sha256h $ABCD,$EFGH,$W0 410 sha256h2 $EFGH,$abcd,$W0 411 412 add.i32 $W1,$W1,@MSG[3] 413 orr $abcd,$ABCD,$ABCD 414 sha256h $ABCD,$EFGH,$W1 415 sha256h2 $EFGH,$abcd,$W1 416 417 add.i32 $ABCD,$ABCD,$ABCD_SAVE 418 add.i32 $EFGH,$EFGH,$EFGH_SAVE 419 420 cbnz $num,.Loop_hw 421 422 st1.32 {$ABCD,$EFGH},[$ctx] 423 424 ldr x29,[sp],#16 425 ret 426.size sha256_block_armv8,.-sha256_block_armv8 427#endif 428___ 429} 430 431if ($SZ==8) { 432my $Ktbl="x3"; 433 434my @H = map("v$_.16b",(0..4)); 435my ($fg,$de,$m9_10)=map("v$_.16b",(5..7)); 436my @MSG=map("v$_.16b",(16..23)); 437my ($W0,$W1)=("v24.2d","v25.2d"); 438my ($AB,$CD,$EF,$GH)=map("v$_.16b",(26..29)); 439 440$code.=<<___; 441.text 442#ifndef __KERNEL__ 443.type sha512_block_armv8,%function 444.align 6 445sha512_block_armv8: 446.Lv8_entry: 447 stp x29,x30,[sp,#-16]! 448 add x29,sp,#0 449 450 ld1 {@MSG[0]-@MSG[3]},[$inp],#64 // load input 451 ld1 {@MSG[4]-@MSG[7]},[$inp],#64 452 453 ld1.64 {@H[0]-@H[3]},[$ctx] // load context 454 adrp $Ktbl,:pg_hi21:.LK512 455 add $Ktbl,$Ktbl,:lo12:.LK512 456 457 rev64 @MSG[0],@MSG[0] 458 rev64 @MSG[1],@MSG[1] 459 rev64 @MSG[2],@MSG[2] 460 rev64 @MSG[3],@MSG[3] 461 rev64 @MSG[4],@MSG[4] 462 rev64 @MSG[5],@MSG[5] 463 rev64 @MSG[6],@MSG[6] 464 rev64 @MSG[7],@MSG[7] 465 b .Loop_hw 466 467.align 4 468.Loop_hw: 469 ld1.64 {$W0},[$Ktbl],#16 470 subs $num,$num,#1 471 sub x4,$inp,#128 472 orr $AB,@H[0],@H[0] // offload 473 orr $CD,@H[1],@H[1] 474 orr $EF,@H[2],@H[2] 475 orr $GH,@H[3],@H[3] 476 csel $inp,$inp,x4,ne // conditional rewind 477___ 478for($i=0;$i<32;$i++) { 479$code.=<<___; 480 add.i64 $W0,$W0,@MSG[0] 481 ld1.64 {$W1},[$Ktbl],#16 482 ext $W0,$W0,$W0,#8 483 ext $fg,@H[2],@H[3],#8 484 ext $de,@H[1],@H[2],#8 485 add.i64 @H[3],@H[3],$W0 // "T1 + H + K512[i]" 486 sha512su0 @MSG[0],@MSG[1] 487 ext $m9_10,@MSG[4],@MSG[5],#8 488 sha512h @H[3],$fg,$de 489 sha512su1 @MSG[0],@MSG[7],$m9_10 490 add.i64 @H[4],@H[1],@H[3] // "D + T1" 491 sha512h2 @H[3],$H[1],@H[0] 492___ 493 ($W0,$W1)=($W1,$W0); push(@MSG,shift(@MSG)); 494 @H = (@H[3],@H[0],@H[4],@H[2],@H[1]); 495} 496for(;$i<40;$i++) { 497$code.=<<___ if ($i<39); 498 ld1.64 {$W1},[$Ktbl],#16 499___ 500$code.=<<___ if ($i==39); 501 sub $Ktbl,$Ktbl,#$rounds*$SZ // rewind 502___ 503$code.=<<___; 504 add.i64 $W0,$W0,@MSG[0] 505 ld1 {@MSG[0]},[$inp],#16 // load next input 506 ext $W0,$W0,$W0,#8 507 ext $fg,@H[2],@H[3],#8 508 ext $de,@H[1],@H[2],#8 509 add.i64 @H[3],@H[3],$W0 // "T1 + H + K512[i]" 510 sha512h @H[3],$fg,$de 511 rev64 @MSG[0],@MSG[0] 512 add.i64 @H[4],@H[1],@H[3] // "D + T1" 513 sha512h2 @H[3],$H[1],@H[0] 514___ 515 ($W0,$W1)=($W1,$W0); push(@MSG,shift(@MSG)); 516 @H = (@H[3],@H[0],@H[4],@H[2],@H[1]); 517} 518$code.=<<___; 519 add.i64 @H[0],@H[0],$AB // accumulate 520 add.i64 @H[1],@H[1],$CD 521 add.i64 @H[2],@H[2],$EF 522 add.i64 @H[3],@H[3],$GH 523 524 cbnz $num,.Loop_hw 525 526 st1.64 {@H[0]-@H[3]},[$ctx] // store context 527 528 ldr x29,[sp],#16 529 ret 530.size sha512_block_armv8,.-sha512_block_armv8 531#endif 532___ 533} 534 535{ my %opcode = ( 536 "sha256h" => 0x5e004000, "sha256h2" => 0x5e005000, 537 "sha256su0" => 0x5e282800, "sha256su1" => 0x5e006000 ); 538 539 sub unsha256 { 540 my ($mnemonic,$arg)=@_; 541 542 $arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o 543 && 544 sprintf ".inst\t0x%08x\t//%s %s", 545 $opcode{$mnemonic}|$1|($2<<5)|($3<<16), 546 $mnemonic,$arg; 547 } 548} 549 550{ my %opcode = ( 551 "sha512h" => 0xce608000, "sha512h2" => 0xce608400, 552 "sha512su0" => 0xcec08000, "sha512su1" => 0xce608800 ); 553 554 sub unsha512 { 555 my ($mnemonic,$arg)=@_; 556 557 $arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o 558 && 559 sprintf ".inst\t0x%08x\t//%s %s", 560 $opcode{$mnemonic}|$1|($2<<5)|($3<<16), 561 $mnemonic,$arg; 562 } 563} 564 565open SELF,$0; 566while(<SELF>) { 567 next if (/^#!/); 568 last if (!s/^#/\/\// and !/^$/); 569 print; 570} 571close SELF; 572 573foreach(split("\n",$code)) { 574 575 s/\`([^\`]*)\`/eval($1)/ge; 576 577 s/\b(sha512\w+)\s+([qv].*)/unsha512($1,$2)/ge or 578 s/\b(sha256\w+)\s+([qv].*)/unsha256($1,$2)/ge; 579 580 s/\bq([0-9]+)\b/v$1.16b/g; # old->new registers 581 582 s/\.[ui]?8(\s)/$1/; 583 s/\.\w?64\b// and s/\.16b/\.2d/g or 584 s/\.\w?32\b// and s/\.16b/\.4s/g; 585 m/\bext\b/ and s/\.2d/\.16b/g or 586 m/(ld|st)1[^\[]+\[0\]/ and s/\.4s/\.s/g; 587 588 print $_,"\n"; 589} 590 591close STDOUT or die "error closing STDOUT: $!"; 592