aboutsummaryrefslogtreecommitdiff
path: root/openssl/crypto/camellia/asm/cmll-x86_64.pl
blob: 9f4b82fa48219540f398e483a8a1dc852868e328 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
#!/usr/bin/env perl

# ====================================================================
# Copyright (c) 2008 Andy Polyakov <appro@openssl.org>
#
# This module may be used under the terms of either the GNU General
# Public License version 2 or later, the GNU Lesser General Public
# License version 2.1 or later, the Mozilla Public License version
# 1.1 or the BSD License. The exact terms of either license are
# distributed along with this module. For further details see
# http://www.openssl.org/~appro/camellia/.
# ====================================================================

# Performance in cycles per processed byte (less is better) in
# 'openssl speed ...' benchmark:
#
#			AMD64	Core2	EM64T
# -evp camellia-128-ecb	16.7	21.0	22.7
# + over gcc 3.4.6	+25%	+5%	0%
#
# camellia-128-cbc	15.7	20.4	21.1
#
# 128-bit key setup	128	216	205	cycles/key
# + over gcc 3.4.6	+54%	+39%	+15%
#
# Numbers in "+" rows represent performance improvement over compiler
# generated code. Key setup timings are impressive on AMD and Core2
# thanks to 64-bit operations being covertly deployed. Improvement on
# EM64T, pre-Core2 Intel x86_64 CPU, is not as impressive, because it
# apparently emulates some of 64-bit operations in [32-bit] microcode.

$flavour = shift;
$output  = shift;
if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }

$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);

$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
die "can't locate x86_64-xlate.pl";

open OUT,"| \"$^X\" $xlate $flavour $output";
*STDOUT=*OUT;

sub hi() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1h/;    $r; }
sub lo() { my $r=shift; $r =~ s/%[er]([a-d])x/%\1l/;
                        $r =~ s/%[er]([sd]i)/%\1l/;
                        $r =~ s/%(r[0-9]+)[d]?/%\1b/;   $r; }

$t0="%eax";$t1="%ebx";$t2="%ecx";$t3="%edx";
@S=("%r8d","%r9d","%r10d","%r11d");
$i0="%esi";
$i1="%edi";
$Tbl="%rbp";	# size optimization
$inp="%r12";
$out="%r13";
$key="%r14";
$keyend="%r15";
$arg0d=$win64?"%ecx":"%edi";

# const unsigned int Camellia_SBOX[4][256];
# Well, sort of... Camellia_SBOX[0][] is interleaved with [1][],
# and [2][] - with [3][]. This is done to minimize code size.
$SBOX1_1110=0;		# Camellia_SBOX[0]
$SBOX4_4404=4;		# Camellia_SBOX[1]
$SBOX2_0222=2048;	# Camellia_SBOX[2]
$SBOX3_3033=2052;	# Camellia_SBOX[3]

sub Camellia_Feistel {
my $i=@_[0];
my $seed=defined(@_[1])?@_[1]:0;
my $scale=$seed<0?-8:8;
my $j=($i&1)*2;
my $s0=@S[($j)%4],$s1=@S[($j+1)%4],$s2=@S[($j+2)%4],$s3=@S[($j+3)%4];

$code.=<<___;
	xor	$s0,$t0				# t0^=key[0]
	xor	$s1,$t1				# t1^=key[1]
	movz	`&hi("$t0")`,$i0		# (t0>>8)&0xff
	movz	`&lo("$t1")`,$i1		# (t1>>0)&0xff
	mov	$SBOX3_3033($Tbl,$i0,8),$t3	# t3=SBOX3_3033[0]
	mov	$SBOX1_1110($Tbl,$i1,8),$t2	# t2=SBOX1_1110[1]
	movz	`&lo("$t0")`,$i0		# (t0>>0)&0xff
	shr	\$16,$t0
	movz	`&hi("$t1")`,$i1		# (t1>>8)&0xff
	xor	$SBOX4_4404($Tbl,$i0,8),$t3	# t3^=SBOX4_4404[0]
	shr	\$16,$t1
	xor	$SBOX4_4404($Tbl,$i1,8),$t2	# t2^=SBOX4_4404[1]
	movz	`&hi("$t0")`,$i0		# (t0>>24)&0xff
	movz	`&lo("$t1")`,$i1		# (t1>>16)&0xff
	xor	$SBOX1_1110($Tbl,$i0,8),$t3	# t3^=SBOX1_1110[0]
	xor	$SBOX3_3033($Tbl,$i1,8),$t2	# t2^=SBOX3_3033[1]
	movz	`&lo("$t0")`,$i0		# (t0>>16)&0xff
	movz	`&hi("$t1")`,$i1		# (t1>>24)&0xff
	xor	$SBOX2_0222($Tbl,$i0,8),$t3	# t3^=SBOX2_0222[0]
	xor	$SBOX2_0222($Tbl,$i1,8),$t2	# t2^=SBOX2_0222[1]
	mov	`$seed+($i+1)*$scale`($key),$t1	# prefetch key[i+1]
	mov	`$seed+($i+1)*$scale+4`($key),$t0
	xor	$t3,$t2				# t2^=t3
	ror	\$8,$t3				# t3=RightRotate(t3,8)
	xor	$t2,$s2
	xor	$t2,$s3
	xor	$t3,$s3
___
}

# void Camellia_EncryptBlock_Rounds(
#		int grandRounds,
#		const Byte plaintext[],
#		const KEY_TABLE_TYPE keyTable,
#		Byte ciphertext[])
$code=<<___;
.text

# V1.x API
.globl	Camellia_EncryptBlock
.type	Camellia_EncryptBlock,\@abi-omnipotent
.align	16
Camellia_EncryptBlock:
	movl	\$128,%eax
	subl	$arg0d,%eax
	movl	\$3,$arg0d
	adcl	\$0,$arg0d	# keyBitLength==128?3:4
	jmp	.Lenc_rounds
.size	Camellia_EncryptBlock,.-Camellia_EncryptBlock
# V2
.globl	Camellia_EncryptBlock_Rounds
.type	Camellia_EncryptBlock_Rounds,\@function,4
.align	16
.Lenc_rounds:
Camellia_EncryptBlock_Rounds:
	push	%rbx
	push	%rbp
	push	%r13
	push	%r14
	push	%r15
.Lenc_prologue:

	#mov	%rsi,$inp		# put away arguments
	mov	%rcx,$out
	mov	%rdx,$key

	shl	\$6,%edi		# process grandRounds
	lea	.LCamellia_SBOX(%rip),$Tbl
	lea	($key,%rdi),$keyend

	mov	0(%rsi),@S[0]		# load plaintext
	mov	4(%rsi),@S[1]
	mov	8(%rsi),@S[2]
	bswap	@S[0]
	mov	12(%rsi),@S[3]
	bswap	@S[1]
	bswap	@S[2]
	bswap	@S[3]

	call	_x86_64_Camellia_encrypt

	bswap	@S[0]
	bswap	@S[1]
	bswap	@S[2]
	mov	@S[0],0($out)
	bswap	@S[3]
	mov	@S[1],4($out)
	mov	@S[2],8($out)
	mov	@S[3],12($out)

	mov	0(%rsp),%r15
	mov	8(%rsp),%r14
	mov	16(%rsp),%r13
	mov	24(%rsp),%rbp
	mov	32(%rsp),%rbx
	lea	40(%rsp),%rsp
.Lenc_epilogue:
	ret
.size	Camellia_EncryptBlock_Rounds,.-Camellia_EncryptBlock_Rounds

.type	_x86_64_Camellia_encrypt,\@abi-omnipotent
.align	16
_x86_64_Camellia_encrypt:
	xor	0($key),@S[1]
	xor	4($key),@S[0]		# ^=key[0-3]
	xor	8($key),@S[3]
	xor	12($key),@S[2]
.align	16
.Leloop:
	mov	16($key),$t1		# prefetch key[4-5]
	mov	20($key),$t0

___
	for ($i=0;$i<6;$i++) { Camellia_Feistel($i,16); }
$code.=<<___;
	lea	16*4($key),$key
	cmp	$keyend,$key
	mov	8($key),$t3		# prefetch key[2-3]
	mov	12($key),$t2
	je	.Ledone

	and	@S[0],$t0
	or	@S[3],$t3
	rol	\$1,$t0
	xor	$t3,@S[2]		# s2^=s3|key[3];
	xor	$t0,@S[1]		# s1^=LeftRotate(s0&key[0],1);
	and	@S[2],$t2
	or	@S[1],$t1
	rol	\$1,$t2
	xor	$t1,@S[0]		# s0^=s1|key[1];
	xor	$t2,@S[3]		# s3^=LeftRotate(s2&key[2],1);
	jmp	.Leloop

.align	16
.Ledone:
	xor	@S[2],$t0		# SwapHalf
	xor	@S[3],$t1
	xor	@S[0],$t2
	xor	@S[1],$t3

	mov	$t0,@S[0]
	mov	$t1,@S[1]
	mov	$t2,@S[2]
	mov	$t3,@S[3]

	.byte	0xf3,0xc3		# rep ret
.size	_x86_64_Camellia_encrypt,.-_x86_64_Camellia_encrypt

# V1.x API
.globl	Camellia_DecryptBlock
.type	Camellia_DecryptBlock,\@abi-omnipotent
.align	16
Camellia_DecryptBlock:
	movl	\$128,%eax
	subl	$arg0d,%eax
	movl	\$3,$arg0d
	adcl	\$0,$arg0d	# keyBitLength==128?3:4
	jmp	.Ldec_rounds
.size	Camellia_DecryptBlock,.-Camellia_DecryptBlock
# V2
.globl	Camellia_DecryptBlock_Rounds
.type	Camellia_DecryptBlock_Rounds,\@function,4
.align	16
.Ldec_rounds:
Camellia_DecryptBlock_Rounds:
	push	%rbx
	push	%rbp
	push	%r13
	push	%r14
	push	%r15
.Ldec_prologue:

	#mov	%rsi,$inp		# put away arguments
	mov	%rcx,$out
	mov	%rdx,$keyend

	shl	\$6,%edi		# process grandRounds
	lea	.LCamellia_SBOX(%rip),$Tbl
	lea	($keyend,%rdi),$key

	mov	0(%rsi),@S[0]		# load plaintext
	mov	4(%rsi),@S[1]
	mov	8(%rsi),@S[2]
	bswap	@S[0]
	mov	12(%rsi),@S[3]
	bswap	@S[1]
	bswap	@S[2]
	bswap	@S[3]

	call	_x86_64_Camellia_decrypt

	bswap	@S[0]
	bswap	@S[1]
	bswap	@S[2]
	mov	@S[0],0($out)
	bswap	@S[3]
	mov	@S[1],4($out)
	mov	@S[2],8($out)
	mov	@S[3],12($out)

	mov	0(%rsp),%r15
	mov	8(%rsp),%r14
	mov	16(%rsp),%r13
	mov	24(%rsp),%rbp
	mov	32(%rsp),%rbx
	lea	40(%rsp),%rsp
.Ldec_epilogue:
	ret
.size	Camellia_DecryptBlock_Rounds,.-Camellia_DecryptBlock_Rounds

.type	_x86_64_Camellia_decrypt,\@abi-omnipotent
.align	16
_x86_64_Camellia_decrypt:
	xor	0($key),@S[1]
	xor	4($key),@S[0]		# ^=key[0-3]
	xor	8($key),@S[3]
	xor	12($key),@S[2]
.align	16
.Ldloop:
	mov	-8($key),$t1		# prefetch key[4-5]
	mov	-4($key),$t0

___
	for ($i=0;$i<6;$i++) { Camellia_Feistel($i,-8); }
$code.=<<___;
	lea	-16*4($key),$key
	cmp	$keyend,$key
	mov	0($key),$t3		# prefetch key[2-3]
	mov	4($key),$t2
	je	.Lddone

	and	@S[0],$t0
	or	@S[3],$t3
	rol	\$1,$t0
	xor	$t3,@S[2]		# s2^=s3|key[3];
	xor	$t0,@S[1]		# s1^=LeftRotate(s0&key[0],1);
	and	@S[2],$t2
	or	@S[1],$t1
	rol	\$1,$t2
	xor	$t1,@S[0]		# s0^=s1|key[1];
	xor	$t2,@S[3]		# s3^=LeftRotate(s2&key[2],1);

	jmp	.Ldloop

.align	16
.Lddone:
	xor	@S[2],$t2
	xor	@S[3],$t3
	xor	@S[0],$t0
	xor	@S[1],$t1

	mov	$t2,@S[0]		# SwapHalf
	mov	$t3,@S[1]
	mov	$t0,@S[2]
	mov	$t1,@S[3]

	.byte	0xf3,0xc3		# rep ret
.size	_x86_64_Camellia_decrypt,.-_x86_64_Camellia_decrypt
___

sub _saveround {
my ($rnd,$key,@T)=@_;
my $bias=int(@T[0])?shift(@T):0;

    if ($#T==3) {
	$code.=<<___;
	mov	@T[1],`$bias+$rnd*8+0`($key)
	mov	@T[0],`$bias+$rnd*8+4`($key)
	mov	@T[3],`$bias+$rnd*8+8`($key)
	mov	@T[2],`$bias+$rnd*8+12`($key)
___
    } else {
	$code.="	mov	@T[0],`$bias+$rnd*8+0`($key)\n";
	$code.="	mov	@T[1],`$bias+$rnd*8+8`($key)\n"	if ($#T>=1);
    }
}

sub _loadround {
my ($rnd,$key,@T)=@_;
my $bias=int(@T[0])?shift(@T):0;

$code.="	mov	`$bias+$rnd*8+0`($key),@T[0]\n";
$code.="	mov	`$bias+$rnd*8+8`($key),@T[1]\n"	if ($#T>=1);
}

# shld is very slow on Intel EM64T family. Even on AMD it limits
# instruction decode rate [because it's VectorPath] and consequently
# performance...
sub __rotl128 {
my ($i0,$i1,$rot)=@_;

    if ($rot) {
	$code.=<<___;
	mov	$i0,%r11
	shld	\$$rot,$i1,$i0
	shld	\$$rot,%r11,$i1
___
    }
}

# ... Implementing 128-bit rotate without shld gives 80% better
# performance EM64T, +15% on AMD64 and only ~7% degradation on
# Core2. This is therefore preferred.
sub _rotl128 {
my ($i0,$i1,$rot)=@_;

    if ($rot) {
	$code.=<<___;
	mov	$i0,%r11
	shl	\$$rot,$i0
	mov	$i1,%r9
	shr	\$`64-$rot`,%r9
	shr	\$`64-$rot`,%r11
	or	%r9,$i0
	shl	\$$rot,$i1
	or	%r11,$i1
___
    }
}

{ my $step=0;

$code.=<<___;
.globl	Camellia_Ekeygen
.type	Camellia_Ekeygen,\@function,3
.align	16
Camellia_Ekeygen:
	push	%rbx
	push	%rbp
	push	%r13
	push	%r14
	push	%r15
.Lkey_prologue:

	mov	%rdi,$keyend		# put away arguments, keyBitLength
	mov	%rdx,$out		# keyTable

	mov	0(%rsi),@S[0]		# load 0-127 bits
	mov	4(%rsi),@S[1]
	mov	8(%rsi),@S[2]
	mov	12(%rsi),@S[3]

	bswap	@S[0]
	bswap	@S[1]
	bswap	@S[2]
	bswap	@S[3]
___
	&_saveround	(0,$out,@S);	# KL<<<0
$code.=<<___;
	cmp	\$128,$keyend		# check keyBitLength
	je	.L1st128

	mov	16(%rsi),@S[0]		# load 128-191 bits
	mov	20(%rsi),@S[1]
	cmp	\$192,$keyend
	je	.L1st192
	mov	24(%rsi),@S[2]		# load 192-255 bits
	mov	28(%rsi),@S[3]
	jmp	.L1st256
.L1st192:
	mov	@S[0],@S[2]
	mov	@S[1],@S[3]
	not	@S[2]
	not	@S[3]
.L1st256:
	bswap	@S[0]
	bswap	@S[1]
	bswap	@S[2]
	bswap	@S[3]
___
	&_saveround	(4,$out,@S);	# temp storage for KR!
$code.=<<___;
	xor	0($out),@S[1]		# KR^KL
	xor	4($out),@S[0]
	xor	8($out),@S[3]
	xor	12($out),@S[2]

.L1st128:
	lea	.LCamellia_SIGMA(%rip),$key
	lea	.LCamellia_SBOX(%rip),$Tbl

	mov	0($key),$t1
	mov	4($key),$t0
___
	&Camellia_Feistel($step++);
	&Camellia_Feistel($step++);
$code.=<<___;
	xor	0($out),@S[1]		# ^KL
	xor	4($out),@S[0]
	xor	8($out),@S[3]
	xor	12($out),@S[2]
___
	&Camellia_Feistel($step++);
	&Camellia_Feistel($step++);
$code.=<<___;
	cmp	\$128,$keyend
	jne	.L2nd256

	lea	128($out),$out		# size optimization
	shl	\$32,%r8		# @S[0]||
	shl	\$32,%r10		# @S[2]||
	or	%r9,%r8			# ||@S[1]
	or	%r11,%r10		# ||@S[3]
___
	&_loadround	(0,$out,-128,"%rax","%rbx");	# KL
	&_saveround	(2,$out,-128,"%r8","%r10");	# KA<<<0
	&_rotl128	("%rax","%rbx",15);
	&_saveround	(4,$out,-128,"%rax","%rbx");	# KL<<<15
	&_rotl128	("%r8","%r10",15);
	&_saveround	(6,$out,-128,"%r8","%r10");	# KA<<<15
	&_rotl128	("%r8","%r10",15);		# 15+15=30
	&_saveround	(8,$out,-128,"%r8","%r10");	# KA<<<30
	&_rotl128	("%rax","%rbx",30);		# 15+30=45
	&_saveround	(10,$out,-128,"%rax","%rbx");	# KL<<<45
	&_rotl128	("%r8","%r10",15);		# 30+15=45
	&_saveround	(12,$out,-128,"%r8");		# KA<<<45
	&_rotl128	("%rax","%rbx",15);		# 45+15=60
	&_saveround	(13,$out,-128,"%rbx");		# KL<<<60
	&_rotl128	("%r8","%r10",15);		# 45+15=60
	&_saveround	(14,$out,-128,"%r8","%r10");	# KA<<<60
	&_rotl128	("%rax","%rbx",17);		# 60+17=77
	&_saveround	(16,$out,-128,"%rax","%rbx");	# KL<<<77
	&_rotl128	("%rax","%rbx",17);		# 77+17=94
	&_saveround	(18,$out,-128,"%rax","%rbx");	# KL<<<94
	&_rotl128	("%r8","%r10",34);		# 60+34=94
	&_saveround	(20,$out,-128,"%r8","%r10");	# KA<<<94
	&_rotl128	("%rax","%rbx",17);		# 94+17=111
	&_saveround	(22,$out,-128,"%rax","%rbx");	# KL<<<111
	&_rotl128	("%r8","%r10",17);		# 94+17=111
	&_saveround	(24,$out,-128,"%r8","%r10");	# KA<<<111
$code.=<<___;
	mov	\$3,%eax
	jmp	.Ldone
.align	16
.L2nd256:
___
	&_saveround	(6,$out,@S);	# temp storage for KA!
$code.=<<___;
	xor	`4*8+0`($out),@S[1]	# KA^KR
	xor	`4*8+4`($out),@S[0]
	xor	`5*8+0`($out),@S[3]
	xor	`5*8+4`($out),@S[2]
___
	&Camellia_Feistel($step++);
	&Camellia_Feistel($step++);

	&_loadround	(0,$out,"%rax","%rbx");	# KL
	&_loadround	(4,$out,"%rcx","%rdx");	# KR
	&_loadround	(6,$out,"%r14","%r15");	# KA
$code.=<<___;
	lea	128($out),$out		# size optimization
	shl	\$32,%r8		# @S[0]||
	shl	\$32,%r10		# @S[2]||
	or	%r9,%r8			# ||@S[1]
	or	%r11,%r10		# ||@S[3]
___
	&_saveround	(2,$out,-128,"%r8","%r10");	# KB<<<0
	&_rotl128	("%rcx","%rdx",15);
	&_saveround	(4,$out,-128,"%rcx","%rdx");	# KR<<<15
	&_rotl128	("%r14","%r15",15);
	&_saveround	(6,$out,-128,"%r14","%r15");	# KA<<<15
	&_rotl128	("%rcx","%rdx",15);		# 15+15=30
	&_saveround	(8,$out,-128,"%rcx","%rdx");	# KR<<<30
	&_rotl128	("%r8","%r10",30);
	&_saveround	(10,$out,-128,"%r8","%r10");	# KB<<<30
	&_rotl128	("%rax","%rbx",45);
	&_saveround	(12,$out,-128,"%rax","%rbx");	# KL<<<45
	&_rotl128	("%r14","%r15",30);		# 15+30=45
	&_saveround	(14,$out,-128,"%r14","%r15");	# KA<<<45
	&_rotl128	("%rax","%rbx",15);		# 45+15=60
	&_saveround	(16,$out,-128,"%rax","%rbx");	# KL<<<60
	&_rotl128	("%rcx","%rdx",30);		# 30+30=60
	&_saveround	(18,$out,-128,"%rcx","%rdx");	# KR<<<60
	&_rotl128	("%r8","%r10",30);		# 30+30=60
	&_saveround	(20,$out,-128,"%r8","%r10");	# KB<<<60
	&_rotl128	("%rax","%rbx",17);		# 60+17=77
	&_saveround	(22,$out,-128,"%rax","%rbx");	# KL<<<77
	&_rotl128	("%r14","%r15",32);		# 45+32=77
	&_saveround	(24,$out,-128,"%r14","%r15");	# KA<<<77
	&_rotl128	("%rcx","%rdx",34);		# 60+34=94
	&_saveround	(26,$out,-128,"%rcx","%rdx");	# KR<<<94
	&_rotl128	("%r14","%r15",17);		# 77+17=94
	&_saveround	(28,$out,-128,"%r14","%r15");	# KA<<<77
	&_rotl128	("%rax","%rbx",34);		# 77+34=111
	&_saveround	(30,$out,-128,"%rax","%rbx");	# KL<<<111
	&_rotl128	("%r8","%r10",51);		# 60+51=111
	&_saveround	(32,$out,-128,"%r8","%r10");	# KB<<<111
$code.=<<___;
	mov	\$4,%eax
.Ldone:
	mov	0(%rsp),%r15
	mov	8(%rsp),%r14
	mov	16(%rsp),%r13
	mov	24(%rsp),%rbp
	mov	32(%rsp),%rbx
	lea	40(%rsp),%rsp
.Lkey_epilogue:
	ret
.size	Camellia_Ekeygen,.-Camellia_Ekeygen
___
}

@SBOX=(
112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65,
 35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189,
134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26,
166,225, 57,202,213, 71, 93, 61,217,  1, 90,214, 81, 86,108, 77,
139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153,
223, 76,203,194, 52,126,118,  5,109,183,169, 49,209, 23,  4,215,
 20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34,
254, 68,207,178,195,181,122,145, 36,  8,232,168, 96,252,105, 80,
170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210,
 16,196,  0, 72,163,247,117,219,138,  3,230,218,  9, 63,221,148,
135, 92,131,  2,205, 74,144, 51,115,103,246,243,157,127,191,226,
 82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46,
233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89,
120,152,  6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250,
114,  7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164,
 64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158);

sub S1110 { my $i=shift; $i=@SBOX[$i]; $i=$i<<24|$i<<16|$i<<8; sprintf("0x%08x",$i); }
sub S4404 { my $i=shift; $i=($i<<1|$i>>7)&0xff; $i=@SBOX[$i]; $i=$i<<24|$i<<16|$i; sprintf("0x%08x",$i); }
sub S0222 { my $i=shift; $i=@SBOX[$i]; $i=($i<<1|$i>>7)&0xff; $i=$i<<16|$i<<8|$i; sprintf("0x%08x",$i); }
sub S3033 { my $i=shift; $i=@SBOX[$i]; $i=($i>>1|$i<<7)&0xff; $i=$i<<24|$i<<8|$i; sprintf("0x%08x",$i); }

$code.=<<___;
.align	64
.LCamellia_SIGMA:
.long	0x3bcc908b, 0xa09e667f, 0x4caa73b2, 0xb67ae858
.long	0xe94f82be, 0xc6ef372f, 0xf1d36f1c, 0x54ff53a5
.long	0xde682d1d, 0x10e527fa, 0xb3e6c1fd, 0xb05688c2
.long	0,          0,          0,          0
.LCamellia_SBOX:
___
# tables are interleaved, remember?
sub data_word { $code.=".long\t".join(',',@_)."\n"; }
for ($i=0;$i<256;$i++) { &data_word(&S1110($i),&S4404($i)); }
for ($i=0;$i<256;$i++) { &data_word(&S0222($i),&S3033($i)); }

# void Camellia_cbc_encrypt (const void char *inp, unsigned char *out,
#			size_t length, const CAMELLIA_KEY *key,
#			unsigned char *ivp,const int enc);
{
$_key="0(%rsp)";
$_end="8(%rsp)";	# inp+len&~15
$_res="16(%rsp)";	# len&15
$ivec="24(%rsp)";
$_ivp="40(%rsp)";
$_rsp="48(%rsp)";

$code.=<<___;
.globl	Camellia_cbc_encrypt
.type	Camellia_cbc_encrypt,\@function,6
.align	16
Camellia_cbc_encrypt:
	cmp	\$0,%rdx
	je	.Lcbc_abort
	push	%rbx
	push	%rbp
	push	%r12
	push	%r13
	push	%r14
	push	%r15
.Lcbc_prologue:

	mov	%rsp,%rbp
	sub	\$64,%rsp
	and	\$-64,%rsp

	# place stack frame just "above mod 1024" the key schedule,
	# this ensures that cache associativity suffices
	lea	-64-63(%rcx),%r10
	sub	%rsp,%r10
	neg	%r10
	and	\$0x3C0,%r10
	sub	%r10,%rsp
	#add	\$8,%rsp		# 8 is reserved for callee's ra

	mov	%rdi,$inp		# inp argument
	mov	%rsi,$out		# out argument
	mov	%r8,%rbx		# ivp argument
	mov	%rcx,$key		# key argument
	mov	272(%rcx),${keyend}d	# grandRounds

	mov	%r8,$_ivp
	mov	%rbp,$_rsp

.Lcbc_body:
	lea	.LCamellia_SBOX(%rip),$Tbl

	mov	\$32,%ecx
.align	4
.Lcbc_prefetch_sbox:
	mov	0($Tbl),%rax
	mov	32($Tbl),%rsi
	mov	64($Tbl),%rdi
	mov	96($Tbl),%r11
	lea	128($Tbl),$Tbl
	loop	.Lcbc_prefetch_sbox
	sub	\$4096,$Tbl
	shl	\$6,$keyend
	mov	%rdx,%rcx		# len argument
	lea	($key,$keyend),$keyend

	cmp	\$0,%r9d		# enc argument
	je	.LCBC_DECRYPT

	and	\$-16,%rdx
	and	\$15,%rcx		# length residue
	lea	($inp,%rdx),%rdx
	mov	$key,$_key
	mov	%rdx,$_end
	mov	%rcx,$_res

	cmp	$inp,%rdx
	mov	0(%rbx),@S[0]		# load IV
	mov	4(%rbx),@S[1]
	mov	8(%rbx),@S[2]
	mov	12(%rbx),@S[3]
	je	.Lcbc_enc_tail
	jmp	.Lcbc_eloop

.align	16
.Lcbc_eloop:
	xor	0($inp),@S[0]
	xor	4($inp),@S[1]
	xor	8($inp),@S[2]
	bswap	@S[0]
	xor	12($inp),@S[3]
	bswap	@S[1]
	bswap	@S[2]
	bswap	@S[3]

	call	_x86_64_Camellia_encrypt

	mov	$_key,$key		# "rewind" the key
	bswap	@S[0]
	mov	$_end,%rdx
	bswap	@S[1]
	mov	$_res,%rcx
	bswap	@S[2]
	mov	@S[0],0($out)
	bswap	@S[3]
	mov	@S[1],4($out)
	mov	@S[2],8($out)
	lea	16($inp),$inp
	mov	@S[3],12($out)
	cmp	%rdx,$inp
	lea	16($out),$out
	jne	.Lcbc_eloop

	cmp	\$0,%rcx
	jne	.Lcbc_enc_tail

	mov	$_ivp,$out
	mov	@S[0],0($out)		# write out IV residue
	mov	@S[1],4($out)
	mov	@S[2],8($out)
	mov	@S[3],12($out)
	jmp	.Lcbc_done

.align	16
.Lcbc_enc_tail:
	xor	%rax,%rax
	mov	%rax,0+$ivec
	mov	%rax,8+$ivec
	mov	%rax,$_res

.Lcbc_enc_pushf:
	pushfq
	cld
	mov	$inp,%rsi
	lea	8+$ivec,%rdi
	.long	0x9066A4F3		# rep movsb
	popfq
.Lcbc_enc_popf:

	lea	$ivec,$inp
	lea	16+$ivec,%rax
	mov	%rax,$_end
	jmp	.Lcbc_eloop		# one more time

.align	16
.LCBC_DECRYPT:
	xchg	$key,$keyend
	add	\$15,%rdx
	and	\$15,%rcx		# length residue
	and	\$-16,%rdx
	mov	$key,$_key
	lea	($inp,%rdx),%rdx
	mov	%rdx,$_end
	mov	%rcx,$_res

	mov	(%rbx),%rax		# load IV
	mov	8(%rbx),%rbx
	jmp	.Lcbc_dloop
.align	16
.Lcbc_dloop:
	mov	0($inp),@S[0]
	mov	4($inp),@S[1]
	mov	8($inp),@S[2]
	bswap	@S[0]
	mov	12($inp),@S[3]
	bswap	@S[1]
	mov	%rax,0+$ivec		# save IV to temporary storage
	bswap	@S[2]
	mov	%rbx,8+$ivec
	bswap	@S[3]

	call	_x86_64_Camellia_decrypt

	mov	$_key,$key		# "rewind" the key
	mov	$_end,%rdx
	mov	$_res,%rcx

	bswap	@S[0]
	mov	($inp),%rax		# load IV for next iteration
	bswap	@S[1]
	mov	8($inp),%rbx
	bswap	@S[2]
	xor	0+$ivec,@S[0]
	bswap	@S[3]
	xor	4+$ivec,@S[1]
	xor	8+$ivec,@S[2]
	lea	16($inp),$inp
	xor	12+$ivec,@S[3]
	cmp	%rdx,$inp
	je	.Lcbc_ddone

	mov	@S[0],0($out)
	mov	@S[1],4($out)
	mov	@S[2],8($out)
	mov	@S[3],12($out)

	lea	16($out),$out
	jmp	.Lcbc_dloop

.align	16
.Lcbc_ddone:
	mov	$_ivp,%rdx
	cmp	\$0,%rcx
	jne	.Lcbc_dec_tail

	mov	@S[0],0($out)
	mov	@S[1],4($out)
	mov	@S[2],8($out)
	mov	@S[3],12($out)

	mov	%rax,(%rdx)		# write out IV residue
	mov	%rbx,8(%rdx)
	jmp	.Lcbc_done
.align	16
.Lcbc_dec_tail:
	mov	@S[0],0+$ivec
	mov	@S[1],4+$ivec
	mov	@S[2],8+$ivec
	mov	@S[3],12+$ivec

.Lcbc_dec_pushf:
	pushfq
	cld
	lea	8+$ivec,%rsi
	lea	($out),%rdi
	.long	0x9066A4F3		# rep movsb
	popfq
.Lcbc_dec_popf:

	mov	%rax,(%rdx)		# write out IV residue
	mov	%rbx,8(%rdx)
	jmp	.Lcbc_done

.align	16
.Lcbc_done:
	mov	$_rsp,%rcx
	mov	0(%rcx),%r15
	mov	8(%rcx),%r14
	mov	16(%rcx),%r13
	mov	24(%rcx),%r12
	mov	32(%rcx),%rbp
	mov	40(%rcx),%rbx
	lea	48(%rcx),%rsp
.Lcbc_abort:
	ret
.size	Camellia_cbc_encrypt,.-Camellia_cbc_encrypt

.asciz	"Camellia for x86_64 by <appro\@openssl.org>"
___
}

# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame,
#		CONTEXT *context,DISPATCHER_CONTEXT *disp)
if ($win64) {
$rec="%rcx";
$frame="%rdx";
$context="%r8";
$disp="%r9";

$code.=<<___;
.extern	__imp_RtlVirtualUnwind
.type	common_se_handler,\@abi-omnipotent
.align	16
common_se_handler:
	push	%rsi
	push	%rdi
	push	%rbx
	push	%rbp
	push	%r12
	push	%r13
	push	%r14
	push	%r15
	pushfq
	lea	-64(%rsp),%rsp

	mov	120($context),%rax	# pull context->Rax
	mov	248($context),%rbx	# pull context->Rip

	mov	8($disp),%rsi		# disp->ImageBase
	mov	56($disp),%r11		# disp->HandlerData

	mov	0(%r11),%r10d		# HandlerData[0]
	lea	(%rsi,%r10),%r10	# prologue label
	cmp	%r10,%rbx		# context->Rip<prologue label
	jb	.Lin_prologue

	mov	152($context),%rax	# pull context->Rsp

	mov	4(%r11),%r10d		# HandlerData[1]
	lea	(%rsi,%r10),%r10	# epilogue label
	cmp	%r10,%rbx		# context->Rip>=epilogue label
	jae	.Lin_prologue

	lea	40(%rax),%rax
	mov	-8(%rax),%rbx
	mov	-16(%rax),%rbp
	mov	-24(%rax),%r13
	mov	-32(%rax),%r14
	mov	-40(%rax),%r15
	mov	%rbx,144($context)	# restore context->Rbx
	mov	%rbp,160($context)	# restore context->Rbp
	mov	%r13,224($context)	# restore context->R13
	mov	%r14,232($context)	# restore context->R14
	mov	%r15,240($context)	# restore context->R15

.Lin_prologue:
	mov	8(%rax),%rdi
	mov	16(%rax),%rsi
	mov	%rax,152($context)	# restore context->Rsp
	mov	%rsi,168($context)	# restore context->Rsi
	mov	%rdi,176($context)	# restore context->Rdi

	jmp	.Lcommon_seh_exit
.size	common_se_handler,.-common_se_handler

.type	cbc_se_handler,\@abi-omnipotent
.align	16
cbc_se_handler:
	push	%rsi
	push	%rdi
	push	%rbx
	push	%rbp
	push	%r12
	push	%r13
	push	%r14
	push	%r15
	pushfq
	lea	-64(%rsp),%rsp

	mov	120($context),%rax	# pull context->Rax
	mov	248($context),%rbx	# pull context->Rip

	lea	.Lcbc_prologue(%rip),%r10
	cmp	%r10,%rbx		# context->Rip<.Lcbc_prologue
	jb	.Lin_cbc_prologue

	lea	.Lcbc_body(%rip),%r10
	cmp	%r10,%rbx		# context->Rip<.Lcbc_body
	jb	.Lin_cbc_frame_setup

	mov	152($context),%rax	# pull context->Rsp

	lea	.Lcbc_abort(%rip),%r10
	cmp	%r10,%rbx		# context->Rip>=.Lcbc_abort
	jae	.Lin_cbc_prologue

	# handle pushf/popf in Camellia_cbc_encrypt
	lea	.Lcbc_enc_pushf(%rip),%r10
	cmp	%r10,%rbx		# context->Rip<=.Lcbc_enc_pushf
	jbe	.Lin_cbc_no_flag
	lea	8(%rax),%rax
	lea	.Lcbc_enc_popf(%rip),%r10
	cmp	%r10,%rbx		# context->Rip<.Lcbc_enc_popf
	jb	.Lin_cbc_no_flag
	lea	-8(%rax),%rax
	lea	.Lcbc_dec_pushf(%rip),%r10
	cmp	%r10,%rbx		# context->Rip<=.Lcbc_dec_pushf
	jbe	.Lin_cbc_no_flag
	lea	8(%rax),%rax
	lea	.Lcbc_dec_popf(%rip),%r10
	cmp	%r10,%rbx		# context->Rip<.Lcbc_dec_popf
	jb	.Lin_cbc_no_flag
	lea	-8(%rax),%rax

.Lin_cbc_no_flag:
	mov	48(%rax),%rax		# $_rsp
	lea	48(%rax),%rax

.Lin_cbc_frame_setup:
	mov	-8(%rax),%rbx
	mov	-16(%rax),%rbp
	mov	-24(%rax),%r12
	mov	-32(%rax),%r13
	mov	-40(%rax),%r14
	mov	-48(%rax),%r15
	mov	%rbx,144($context)	# restore context->Rbx
	mov	%rbp,160($context)	# restore context->Rbp
	mov	%r12,216($context)	# restore context->R12
	mov	%r13,224($context)	# restore context->R13
	mov	%r14,232($context)	# restore context->R14
	mov	%r15,240($context)	# restore context->R15

.Lin_cbc_prologue:
	mov	8(%rax),%rdi
	mov	16(%rax),%rsi
	mov	%rax,152($context)	# restore context->Rsp
	mov	%rsi,168($context)	# restore context->Rsi
	mov	%rdi,176($context)	# restore context->Rdi

.align	4
.Lcommon_seh_exit:

	mov	40($disp),%rdi		# disp->ContextRecord
	mov	$context,%rsi		# context
	mov	\$`1232/8`,%ecx		# sizeof(CONTEXT)
	.long	0xa548f3fc		# cld; rep movsq

	mov	$disp,%rsi
	xor	%rcx,%rcx		# arg1, UNW_FLAG_NHANDLER
	mov	8(%rsi),%rdx		# arg2, disp->ImageBase
	mov	0(%rsi),%r8		# arg3, disp->ControlPc
	mov	16(%rsi),%r9		# arg4, disp->FunctionEntry
	mov	40(%rsi),%r10		# disp->ContextRecord
	lea	56(%rsi),%r11		# &disp->HandlerData
	lea	24(%rsi),%r12		# &disp->EstablisherFrame
	mov	%r10,32(%rsp)		# arg5
	mov	%r11,40(%rsp)		# arg6
	mov	%r12,48(%rsp)		# arg7
	mov	%rcx,56(%rsp)		# arg8, (NULL)
	call	*__imp_RtlVirtualUnwind(%rip)

	mov	\$1,%eax		# ExceptionContinueSearch
	lea	64(%rsp),%rsp
	popfq
	pop	%r15
	pop	%r14
	pop	%r13
	pop	%r12
	pop	%rbp
	pop	%rbx
	pop	%rdi
	pop	%rsi
	ret
.size	cbc_se_handler,.-cbc_se_handler

.section	.pdata
.align	4
	.rva	.LSEH_begin_Camellia_EncryptBlock_Rounds
	.rva	.LSEH_end_Camellia_EncryptBlock_Rounds
	.rva	.LSEH_info_Camellia_EncryptBlock_Rounds

	.rva	.LSEH_begin_Camellia_DecryptBlock_Rounds
	.rva	.LSEH_end_Camellia_DecryptBlock_Rounds
	.rva	.LSEH_info_Camellia_DecryptBlock_Rounds

	.rva	.LSEH_begin_Camellia_Ekeygen
	.rva	.LSEH_end_Camellia_Ekeygen
	.rva	.LSEH_info_Camellia_Ekeygen

	.rva	.LSEH_begin_Camellia_cbc_encrypt
	.rva	.LSEH_end_Camellia_cbc_encrypt
	.rva	.LSEH_info_Camellia_cbc_encrypt

.section	.xdata
.align	8
.LSEH_info_Camellia_EncryptBlock_Rounds:
	.byte	9,0,0,0
	.rva	common_se_handler
	.rva	.Lenc_prologue,.Lenc_epilogue	# HandlerData[]
.LSEH_info_Camellia_DecryptBlock_Rounds:
	.byte	9,0,0,0
	.rva	common_se_handler
	.rva	.Ldec_prologue,.Ldec_epilogue	# HandlerData[]
.LSEH_info_Camellia_Ekeygen:
	.byte	9,0,0,0
	.rva	common_se_handler
	.rva	.Lkey_prologue,.Lkey_epilogue	# HandlerData[]
.LSEH_info_Camellia_cbc_encrypt:
	.byte	9,0,0,0
	.rva	cbc_se_handler
___
}

$code =~ s/\`([^\`]*)\`/eval $1/gem;
print $code;
close STDOUT;