2 # Copyright 2014-2016 The OpenSSL Project Authors. All Rights Reserved.
4 # Licensed under the Apache License 2.0 (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
10 # ====================================================================
11 # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
12 # project. The module is, however, dual licensed under OpenSSL and
13 # CRYPTOGAMS licenses depending on where you obtain it. For further
14 # details see http://www.openssl.org/~appro/cryptogams/.
15 # ====================================================================
19 # Performance in cycles per processed byte and improvement coefficient
20 # over code generated with "default" compiler:
22 # hardware-assisted software(*)
23 # Apple A7 2.31 4.13 (+14%)
24 # Cortex-A53 2.24 8.03 (+97%)
25 # Cortex-A57 2.35 7.88 (+74%)
26 # Denver 2.13 3.97 (+0%)(**)
28 # Mongoose 2.05 6.50 (+160%)
29 # Kryo 1.88 8.00 (+90%)
30 # ThunderX2 2.64 6.36 (+150%)
32 # (*) Software results are presented mostly for reference purposes.
33 # (**) Keep in mind that Denver relies on binary translation, which
34 # optimizes compiler output at run-time.
39 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
40 ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
41 ( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
42 die "can't locate arm-xlate.pl";
44 open OUT,"| \"$^X\" $xlate $flavour $output";
47 ($ctx,$inp,$num)=("x0","x1","x2");
48 @Xw=map("w$_",(3..17,19));
49 @Xx=map("x$_",(3..17,19));
50 @V=($A,$B,$C,$D,$E)=map("w$_",(20..24));
51 ($t0,$t1,$t2,$K)=map("w$_",(25..28));
55 my ($i,$a,$b,$c,$d,$e)=@_;
58 $code.=<<___ if ($i<15 && !($i&1));
59 lsr @Xx[$i+1],@Xx[$i],#32
61 $code.=<<___ if ($i<14 && !($i&1));
62 ldur @Xx[$i+2],[$inp,#`($i+2)*4-64`]
64 $code.=<<___ if ($i<14 && ($i&1));
66 ror @Xx[$i+1],@Xx[$i+1],#32
68 rev32 @Xx[$i+1],@Xx[$i+1]
71 $code.=<<___ if ($i<14);
75 add $d,$d,$K // future e+=K
77 add $e,$e,$t2 // e+=rot(a,5)
79 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
80 add $e,$e,$t0 // e+=F(b,c,d)
82 $code.=<<___ if ($i==19);
84 movk $K,#0x6ed9,lsl#16
86 $code.=<<___ if ($i>=14);
87 eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
91 eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
92 add $d,$d,$K // future e+=K
94 add $e,$e,$t2 // e+=rot(a,5)
95 eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
97 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
98 add $e,$e,$t0 // e+=F(b,c,d)
99 ror @Xw[$j],@Xw[$j],#31
104 my ($i,$a,$b,$c,$d,$e)=@_;
107 $code.=<<___ if ($i==59);
109 movk $K,#0xca62,lsl#16
114 eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
117 add $d,$d,$K // future e+=K
118 eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
119 add $e,$e,$t2 // e+=rot(a,5)
122 eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
123 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
124 add $e,$e,$t0 // e+=F(b,c,d)
125 ror @Xw[$j],@Xw[$j],#31
130 my ($i,$a,$b,$c,$d,$e)=@_;
133 $code.=<<___ if ($i==39);
135 movk $K,#0x8f1b,lsl#16
137 $code.=<<___ if ($i<78);
138 eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
141 add $d,$d,$K // future e+=K
142 eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
144 add $e,$e,$t2 // e+=rot(a,5)
146 eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
147 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
148 add $e,$e,$t0 // e+=F(b,c,d)
149 ror @Xw[$j],@Xw[$j],#31
151 $code.=<<___ if ($i==78);
152 ldp @Xw[1],@Xw[2],[$ctx]
155 add $d,$d,$K // future e+=K
157 add $e,$e,$t2 // e+=rot(a,5)
159 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
160 add $e,$e,$t0 // e+=F(b,c,d)
162 $code.=<<___ if ($i==79);
163 ldp @Xw[3],@Xw[4],[$ctx,#8]
167 add $e,$e,$t2 // e+=rot(a,5)
169 ldr @Xw[5],[$ctx,#16]
170 add $e,$e,$t0 // e+=F(b,c,d)
176 # include "arm_arch.h"
177 .extern OPENSSL_armcap_P
182 .globl sha1_block_data_order
183 .type sha1_block_data_order,%function
185 sha1_block_data_order:
186 adrp x16,OPENSSL_armcap_P
187 ldr w16,[x16,#:lo12:OPENSSL_armcap_P]
191 stp x29,x30,[sp,#-96]!
204 ldr @Xx[0],[$inp],#64
207 movk $K,#0x5a82,lsl#16
209 ror $Xx[0],@Xx[0],#32
213 add $E,$E,$K // warm it up
216 for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
217 for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
218 for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
219 for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
238 .size sha1_block_data_order,.-sha1_block_data_order
241 my ($ABCD,$E,$E0,$E1)=map("v$_.16b",(0..3));
242 my @MSG=map("v$_.16b",(4..7));
243 my @Kxx=map("v$_.4s",(16..19));
244 my ($W0,$W1)=("v20.4s","v21.4s");
245 my $ABCD_SAVE="v22.16b";
248 .type sha1_block_armv8,%function
252 stp x29,x30,[sp,#-16]!
257 ld1.32 {$ABCD},[$ctx],#16
258 ld1.32 {$E}[0],[$ctx]
260 ld1.32 {@Kxx[0]-@Kxx[3]},[x4]
263 ld1 {@MSG[0]-@MSG[3]},[$inp],#64
265 rev32 @MSG[0],@MSG[0]
266 rev32 @MSG[1],@MSG[1]
268 add.i32 $W0,@Kxx[0],@MSG[0]
269 rev32 @MSG[2],@MSG[2]
270 orr $ABCD_SAVE,$ABCD,$ABCD // offload
272 add.i32 $W1,@Kxx[0],@MSG[1]
273 rev32 @MSG[3],@MSG[3]
275 sha1c $ABCD,$E,$W0 // 0
276 add.i32 $W0,@Kxx[$j],@MSG[2]
277 sha1su0 @MSG[0],@MSG[1],@MSG[2]
279 for ($j=0,$i=1;$i<20-3;$i++) {
280 my $f=("c","p","m","p")[$i/5];
282 sha1h $E0,$ABCD // $i
284 add.i32 $W1,@Kxx[$j],@MSG[3]
285 sha1su1 @MSG[0],@MSG[3]
287 $code.=<<___ if ($i<20-4);
288 sha1su0 @MSG[1],@MSG[2],@MSG[3]
290 ($E0,$E1)=($E1,$E0); ($W0,$W1)=($W1,$W0);
291 push(@MSG,shift(@MSG)); $j++ if ((($i+3)%5)==0);
294 sha1h $E0,$ABCD // $i
296 add.i32 $W1,@Kxx[$j],@MSG[3]
298 sha1h $E1,$ABCD // 18
301 sha1h $E0,$ABCD // 19
305 add.i32 $ABCD,$ABCD,$ABCD_SAVE
309 st1.32 {$ABCD},[$ctx],#16
310 st1.32 {$E}[0],[$ctx]
314 .size sha1_block_armv8,.-sha1_block_armv8
317 .long 0x5a827999,0x5a827999,0x5a827999,0x5a827999 //K_00_19
318 .long 0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1 //K_20_39
319 .long 0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc //K_40_59
320 .long 0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 //K_60_79
321 .asciz "SHA1 block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"
323 #if !defined(__KERNELL__) && !defined(_WIN64)
324 .comm OPENSSL_armcap_P,4,4
330 "sha1c" => 0x5e000000, "sha1p" => 0x5e001000,
331 "sha1m" => 0x5e002000, "sha1su0" => 0x5e003000,
332 "sha1h" => 0x5e280800, "sha1su1" => 0x5e281800 );
335 my ($mnemonic,$arg)=@_;
337 $arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o
339 sprintf ".inst\t0x%08x\t//%s %s",
340 $opcode{$mnemonic}|$1|($2<<5)|($3<<16),
345 foreach(split("\n",$code)) {
347 s/\`([^\`]*)\`/eval($1)/geo;
349 s/\b(sha1\w+)\s+([qv].*)/unsha1($1,$2)/geo;
351 s/\.\w?32\b//o and s/\.16b/\.4s/go;
352 m/(ld|st)1[^\[]+\[0\]/o and s/\.4s/\.s/go;