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source: vbox/trunk/src/libs/openssl-1.1.1f/crypto/sha/asm/sha1-armv8.pl@ 83531

Last change on this file since 83531 was 83531, checked in by vboxsync, 5 years ago

setting svn:sync-process=export for openssl-1.1.1f, all files except tests

File size: 8.1 KB
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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# ====================================================================
11# Written by Andy Polyakov <[email protected]> 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# ====================================================================
16#
17# SHA1 for ARMv8.
18#
19# Performance in cycles per processed byte and improvement coefficient
20# over code generated with "default" compiler:
21#
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%)(**)
27# X-Gene 8.80 (+200%)
28# Mongoose 2.05 6.50 (+160%)
29# Kryo 1.88 8.00 (+90%)
30#
31# (*) Software results are presented mostly for reference purposes.
32# (**) Keep in mind that Denver relies on binary translation, which
33# optimizes compiler output at run-time.
34
35$flavour = shift;
36$output = shift;
37
38$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
39( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
40( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
41die "can't locate arm-xlate.pl";
42
43open OUT,"| \"$^X\" $xlate $flavour $output";
44*STDOUT=*OUT;
45
46($ctx,$inp,$num)=("x0","x1","x2");
47@Xw=map("w$_",(3..17,19));
48@Xx=map("x$_",(3..17,19));
49@V=($A,$B,$C,$D,$E)=map("w$_",(20..24));
50($t0,$t1,$t2,$K)=map("w$_",(25..28));
51
52
53sub BODY_00_19 {
54my ($i,$a,$b,$c,$d,$e)=@_;
55my $j=($i+2)&15;
56
57$code.=<<___ if ($i<15 && !($i&1));
58 lsr @Xx[$i+1],@Xx[$i],#32
59___
60$code.=<<___ if ($i<14 && !($i&1));
61 ldr @Xx[$i+2],[$inp,#`($i+2)*4-64`]
62___
63$code.=<<___ if ($i<14 && ($i&1));
64#ifdef __ARMEB__
65 ror @Xx[$i+1],@Xx[$i+1],#32
66#else
67 rev32 @Xx[$i+1],@Xx[$i+1]
68#endif
69___
70$code.=<<___ if ($i<14);
71 bic $t0,$d,$b
72 and $t1,$c,$b
73 ror $t2,$a,#27
74 add $d,$d,$K // future e+=K
75 orr $t0,$t0,$t1
76 add $e,$e,$t2 // e+=rot(a,5)
77 ror $b,$b,#2
78 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
79 add $e,$e,$t0 // e+=F(b,c,d)
80___
81$code.=<<___ if ($i==19);
82 movz $K,#0xeba1
83 movk $K,#0x6ed9,lsl#16
84___
85$code.=<<___ if ($i>=14);
86 eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
87 bic $t0,$d,$b
88 and $t1,$c,$b
89 ror $t2,$a,#27
90 eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
91 add $d,$d,$K // future e+=K
92 orr $t0,$t0,$t1
93 add $e,$e,$t2 // e+=rot(a,5)
94 eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
95 ror $b,$b,#2
96 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
97 add $e,$e,$t0 // e+=F(b,c,d)
98 ror @Xw[$j],@Xw[$j],#31
99___
100}
101
102sub BODY_40_59 {
103my ($i,$a,$b,$c,$d,$e)=@_;
104my $j=($i+2)&15;
105
106$code.=<<___ if ($i==59);
107 movz $K,#0xc1d6
108 movk $K,#0xca62,lsl#16
109___
110$code.=<<___;
111 orr $t0,$b,$c
112 and $t1,$b,$c
113 eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
114 ror $t2,$a,#27
115 and $t0,$t0,$d
116 add $d,$d,$K // future e+=K
117 eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
118 add $e,$e,$t2 // e+=rot(a,5)
119 orr $t0,$t0,$t1
120 ror $b,$b,#2
121 eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
122 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
123 add $e,$e,$t0 // e+=F(b,c,d)
124 ror @Xw[$j],@Xw[$j],#31
125___
126}
127
128sub BODY_20_39 {
129my ($i,$a,$b,$c,$d,$e)=@_;
130my $j=($i+2)&15;
131
132$code.=<<___ if ($i==39);
133 movz $K,#0xbcdc
134 movk $K,#0x8f1b,lsl#16
135___
136$code.=<<___ if ($i<78);
137 eor @Xw[$j],@Xw[$j],@Xw[($j+2)&15]
138 eor $t0,$d,$b
139 ror $t2,$a,#27
140 add $d,$d,$K // future e+=K
141 eor @Xw[$j],@Xw[$j],@Xw[($j+8)&15]
142 eor $t0,$t0,$c
143 add $e,$e,$t2 // e+=rot(a,5)
144 ror $b,$b,#2
145 eor @Xw[$j],@Xw[$j],@Xw[($j+13)&15]
146 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
147 add $e,$e,$t0 // e+=F(b,c,d)
148 ror @Xw[$j],@Xw[$j],#31
149___
150$code.=<<___ if ($i==78);
151 ldp @Xw[1],@Xw[2],[$ctx]
152 eor $t0,$d,$b
153 ror $t2,$a,#27
154 add $d,$d,$K // future e+=K
155 eor $t0,$t0,$c
156 add $e,$e,$t2 // e+=rot(a,5)
157 ror $b,$b,#2
158 add $d,$d,@Xw[($i+1)&15] // future e+=X[i]
159 add $e,$e,$t0 // e+=F(b,c,d)
160___
161$code.=<<___ if ($i==79);
162 ldp @Xw[3],@Xw[4],[$ctx,#8]
163 eor $t0,$d,$b
164 ror $t2,$a,#27
165 eor $t0,$t0,$c
166 add $e,$e,$t2 // e+=rot(a,5)
167 ror $b,$b,#2
168 ldr @Xw[5],[$ctx,#16]
169 add $e,$e,$t0 // e+=F(b,c,d)
170___
171}
172
173$code.=<<___;
174#include "arm_arch.h"
175
176.text
177
178.extern OPENSSL_armcap_P
179.globl sha1_block_data_order
180.type sha1_block_data_order,%function
181.align 6
182sha1_block_data_order:
183#ifdef __ILP32__
184 ldrsw x16,.LOPENSSL_armcap_P
185#else
186 ldr x16,.LOPENSSL_armcap_P
187#endif
188 adr x17,.LOPENSSL_armcap_P
189 add x16,x16,x17
190 ldr w16,[x16]
191 tst w16,#ARMV8_SHA1
192 b.ne .Lv8_entry
193
194 stp x29,x30,[sp,#-96]!
195 add x29,sp,#0
196 stp x19,x20,[sp,#16]
197 stp x21,x22,[sp,#32]
198 stp x23,x24,[sp,#48]
199 stp x25,x26,[sp,#64]
200 stp x27,x28,[sp,#80]
201
202 ldp $A,$B,[$ctx]
203 ldp $C,$D,[$ctx,#8]
204 ldr $E,[$ctx,#16]
205
206.Loop:
207 ldr @Xx[0],[$inp],#64
208 movz $K,#0x7999
209 sub $num,$num,#1
210 movk $K,#0x5a82,lsl#16
211#ifdef __ARMEB__
212 ror $Xx[0],@Xx[0],#32
213#else
214 rev32 @Xx[0],@Xx[0]
215#endif
216 add $E,$E,$K // warm it up
217 add $E,$E,@Xw[0]
218___
219for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
220for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
221for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
222for(;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
223$code.=<<___;
224 add $B,$B,@Xw[2]
225 add $C,$C,@Xw[3]
226 add $A,$A,@Xw[1]
227 add $D,$D,@Xw[4]
228 add $E,$E,@Xw[5]
229 stp $A,$B,[$ctx]
230 stp $C,$D,[$ctx,#8]
231 str $E,[$ctx,#16]
232 cbnz $num,.Loop
233
234 ldp x19,x20,[sp,#16]
235 ldp x21,x22,[sp,#32]
236 ldp x23,x24,[sp,#48]
237 ldp x25,x26,[sp,#64]
238 ldp x27,x28,[sp,#80]
239 ldr x29,[sp],#96
240 ret
241.size sha1_block_data_order,.-sha1_block_data_order
242___
243{{{
244my ($ABCD,$E,$E0,$E1)=map("v$_.16b",(0..3));
245my @MSG=map("v$_.16b",(4..7));
246my @Kxx=map("v$_.4s",(16..19));
247my ($W0,$W1)=("v20.4s","v21.4s");
248my $ABCD_SAVE="v22.16b";
249
250$code.=<<___;
251.type sha1_block_armv8,%function
252.align 6
253sha1_block_armv8:
254.Lv8_entry:
255 stp x29,x30,[sp,#-16]!
256 add x29,sp,#0
257
258 adr x4,.Lconst
259 eor $E,$E,$E
260 ld1.32 {$ABCD},[$ctx],#16
261 ld1.32 {$E}[0],[$ctx]
262 sub $ctx,$ctx,#16
263 ld1.32 {@Kxx[0]-@Kxx[3]},[x4]
264
265.Loop_hw:
266 ld1 {@MSG[0]-@MSG[3]},[$inp],#64
267 sub $num,$num,#1
268 rev32 @MSG[0],@MSG[0]
269 rev32 @MSG[1],@MSG[1]
270
271 add.i32 $W0,@Kxx[0],@MSG[0]
272 rev32 @MSG[2],@MSG[2]
273 orr $ABCD_SAVE,$ABCD,$ABCD // offload
274
275 add.i32 $W1,@Kxx[0],@MSG[1]
276 rev32 @MSG[3],@MSG[3]
277 sha1h $E1,$ABCD
278 sha1c $ABCD,$E,$W0 // 0
279 add.i32 $W0,@Kxx[$j],@MSG[2]
280 sha1su0 @MSG[0],@MSG[1],@MSG[2]
281___
282for ($j=0,$i=1;$i<20-3;$i++) {
283my $f=("c","p","m","p")[$i/5];
284$code.=<<___;
285 sha1h $E0,$ABCD // $i
286 sha1$f $ABCD,$E1,$W1
287 add.i32 $W1,@Kxx[$j],@MSG[3]
288 sha1su1 @MSG[0],@MSG[3]
289___
290$code.=<<___ if ($i<20-4);
291 sha1su0 @MSG[1],@MSG[2],@MSG[3]
292___
293 ($E0,$E1)=($E1,$E0); ($W0,$W1)=($W1,$W0);
294 push(@MSG,shift(@MSG)); $j++ if ((($i+3)%5)==0);
295}
296$code.=<<___;
297 sha1h $E0,$ABCD // $i
298 sha1p $ABCD,$E1,$W1
299 add.i32 $W1,@Kxx[$j],@MSG[3]
300
301 sha1h $E1,$ABCD // 18
302 sha1p $ABCD,$E0,$W0
303
304 sha1h $E0,$ABCD // 19
305 sha1p $ABCD,$E1,$W1
306
307 add.i32 $E,$E,$E0
308 add.i32 $ABCD,$ABCD,$ABCD_SAVE
309
310 cbnz $num,.Loop_hw
311
312 st1.32 {$ABCD},[$ctx],#16
313 st1.32 {$E}[0],[$ctx]
314
315 ldr x29,[sp],#16
316 ret
317.size sha1_block_armv8,.-sha1_block_armv8
318.align 6
319.Lconst:
320.long 0x5a827999,0x5a827999,0x5a827999,0x5a827999 //K_00_19
321.long 0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1 //K_20_39
322.long 0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc //K_40_59
323.long 0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6 //K_60_79
324.LOPENSSL_armcap_P:
325#ifdef __ILP32__
326.long OPENSSL_armcap_P-.
327#else
328.quad OPENSSL_armcap_P-.
329#endif
330.asciz "SHA1 block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"
331.align 2
332.comm OPENSSL_armcap_P,4,4
333___
334}}}
335
336{ my %opcode = (
337 "sha1c" => 0x5e000000, "sha1p" => 0x5e001000,
338 "sha1m" => 0x5e002000, "sha1su0" => 0x5e003000,
339 "sha1h" => 0x5e280800, "sha1su1" => 0x5e281800 );
340
341 sub unsha1 {
342 my ($mnemonic,$arg)=@_;
343
344 $arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o
345 &&
346 sprintf ".inst\t0x%08x\t//%s %s",
347 $opcode{$mnemonic}|$1|($2<<5)|($3<<16),
348 $mnemonic,$arg;
349 }
350}
351
352foreach(split("\n",$code)) {
353
354 s/\`([^\`]*)\`/eval($1)/geo;
355
356 s/\b(sha1\w+)\s+([qv].*)/unsha1($1,$2)/geo;
357
358 s/\.\w?32\b//o and s/\.16b/\.4s/go;
359 m/(ld|st)1[^\[]+\[0\]/o and s/\.4s/\.s/go;
360
361 print $_,"\n";
362}
363
364close STDOUT or die "error closing STDOUT: $!";
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