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 $xlate) or
|
---|
41 | die "can't locate arm-xlate.pl";
|
---|
42 |
|
---|
43 | open OUT,"| \"$^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$_",(25..28));
|
---|
51 |
|
---|
52 |
|
---|
53 | sub BODY_00_19 {
|
---|
54 | my ($i,$a,$b,$c,$d,$e)=@_;
|
---|
55 | my $j=($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[$j],#31
|
---|
99 | ___
|
---|
100 | }
|
---|
101 |
|
---|
102 | sub BODY_40_59 {
|
---|
103 | my ($i,$a,$b,$c,$d,$e)=@_;
|
---|
104 | my $j=($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[$j],#31
|
---|
125 | ___
|
---|
126 | }
|
---|
127 |
|
---|
128 | sub BODY_20_39 {
|
---|
129 | my ($i,$a,$b,$c,$d,$e)=@_;
|
---|
130 | my $j=($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
|
---|
182 | sha1_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 | ___
|
---|
219 | for($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
|
---|
220 | for(;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
|
---|
221 | for(;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
|
---|
222 | for(;$i<80;$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 $num,.Loop
|
---|
233 |
|
---|
234 | ldp x19,x20,[sp,#16]
|
---|
235 | ldp x21,x22,[sp,#32]
|
---|
236 | ldp x23,x24,[sp,#48]
|
---|
237 | ldp x25,x26,[sp,#64]
|
---|
238 | ldp x27,x28,[sp,#80]
|
---|
239 | ldr x29,[sp],#96
|
---|
240 | ret
|
---|
241 | .size sha1_block_data_order,.-sha1_block_data_order
|
---|
242 | ___
|
---|
243 | {{{
|
---|
244 | my ($ABCD,$E,$E0,$E1)=map("v$_.16b",(0..3));
|
---|
245 | my @MSG=map("v$_.16b",(4..7));
|
---|
246 | my @Kxx=map("v$_.4s",(16..19));
|
---|
247 | my ($W0,$W1)=("v20.4s","v21.4s");
|
---|
248 | my $ABCD_SAVE="v22.16b";
|
---|
249 |
|
---|
250 | $code.=<<___;
|
---|
251 | .type sha1_block_armv8,%function
|
---|
252 | .align 6
|
---|
253 | sha1_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 | ___
|
---|
282 | for ($j=0,$i=1;$i<20-3;$i++) {
|
---|
283 | my $f=("c","p","m","p")[$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 |
|
---|
352 | foreach(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 |
|
---|
364 | close STDOUT or die "error closing STDOUT: $!";
|
---|