--- /dev/null
+#!/usr/bin/env perl
+
+# ====================================================================
+# Written by David S. Miller <davem@devemloft.net> and Andy Polyakov
+# <appro@openssl.org>. The module is licensed under 2-clause BSD
+# license. March 2013. All rights reserved.
+# ====================================================================
+
+######################################################################
+# DES for SPARC T4.
+#
+# As with other hardware-assisted ciphers CBC encrypt results [for
+# aligned data] are virtually identical to critical path lengths:
+#
+# DES Triple-DES
+# CBC encrypt 4.14/4.15(*) 11.7/11.7
+# CBC decrypt 1.77/4.11(**) 6.42/7.47
+#
+# (*) numbers after slash are for
+# misaligned data;
+# (**) this is result for largest
+# block size, unlike all other
+# cases smaller blocks results
+# are better[?];
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+push(@INC,"${dir}","${dir}../../perlasm");
+require "sparcv9_modes.pl";
+
+&asm_init(@ARGV);
+
+$code.=<<___ if ($::abibits==64);
+.register %g2,#scratch
+.register %g3,#scratch
+___
+
+$code.=<<___;
+.text
+___
+
+{ my ($inp,$out)=("%o0","%o1");
+
+$code.=<<___;
+.align 32
+.globl des_t4_key_expand
+.type des_t4_key_expand,#function
+des_t4_key_expand:
+ andcc $inp, 0x7, %g0
+ alignaddr $inp, %g0, $inp
+ bz,pt %icc, 1f
+ ldd [$inp + 0x00], %f0
+ ldd [$inp + 0x08], %f2
+ faligndata %f0, %f2, %f0
+1: des_kexpand %f0, 0, %f0
+ des_kexpand %f0, 1, %f2
+ std %f0, [$out + 0x00]
+ des_kexpand %f2, 3, %f6
+ std %f2, [$out + 0x08]
+ des_kexpand %f2, 2, %f4
+ des_kexpand %f6, 3, %f10
+ std %f6, [$out + 0x18]
+ des_kexpand %f6, 2, %f8
+ std %f4, [$out + 0x10]
+ des_kexpand %f10, 3, %f14
+ std %f10, [$out + 0x28]
+ des_kexpand %f10, 2, %f12
+ std %f8, [$out + 0x20]
+ des_kexpand %f14, 1, %f16
+ std %f14, [$out + 0x38]
+ des_kexpand %f16, 3, %f20
+ std %f12, [$out + 0x30]
+ des_kexpand %f16, 2, %f18
+ std %f16, [$out + 0x40]
+ des_kexpand %f20, 3, %f24
+ std %f20, [$out + 0x50]
+ des_kexpand %f20, 2, %f22
+ std %f18, [$out + 0x48]
+ des_kexpand %f24, 3, %f28
+ std %f24, [$out + 0x60]
+ des_kexpand %f24, 2, %f26
+ std %f22, [$out + 0x58]
+ des_kexpand %f28, 1, %f30
+ std %f28, [$out + 0x70]
+ std %f26, [$out + 0x68]
+ retl
+ std %f30, [$out + 0x78]
+.size des_t4_key_expand,.-des_t4_key_expand
+___
+}
+{ my ($inp,$out,$len,$key,$ivec) = map("%o$_",(0..4));
+ my ($ileft,$iright,$omask) = map("%g$_",(1..3));
+
+$code.=<<___;
+.globl des_t4_cbc_encrypt
+.align 32
+des_t4_cbc_encrypt:
+ ld [$ivec + 0], %f0 ! load ivec
+ ld [$ivec + 4], %f1
+
+ and $inp, 7, $ileft
+ andn $inp, 7, $inp
+ sll $ileft, 3, $ileft
+ mov 0xff, $omask
+ prefetch [$inp], 20
+ prefetch [$inp + 63], 20
+ sub %g0, $ileft, $iright
+ and $out, 7, %g4
+ alignaddrl $out, %g0, $out
+ srl $omask, %g4, $omask
+ srlx $len, 3, $len
+ movrz %g4, 0, $omask
+ prefetch [$out], 22
+
+ ldd [$key + 0x00], %f4 ! load key schedule
+ ldd [$key + 0x08], %f6
+ ldd [$key + 0x10], %f8
+ ldd [$key + 0x18], %f10
+ ldd [$key + 0x20], %f12
+ ldd [$key + 0x28], %f14
+ ldd [$key + 0x30], %f16
+ ldd [$key + 0x38], %f18
+ ldd [$key + 0x40], %f20
+ ldd [$key + 0x48], %f22
+ ldd [$key + 0x50], %f24
+ ldd [$key + 0x58], %f26
+ ldd [$key + 0x60], %f28
+ ldd [$key + 0x68], %f30
+ ldd [$key + 0x70], %f32
+ ldd [$key + 0x78], %f34
+
+.Ldes_cbc_enc_loop:
+ ldx [$inp + 0], %g4
+ brz,pt $ileft, 4f
+ nop
+
+ ldx [$inp + 8], %g5
+ sllx %g4, $ileft, %g4
+ srlx %g5, $iright, %g5
+ or %g5, %g4, %g4
+4:
+ movxtod %g4, %f2
+ prefetch [$inp + 8+63], 20
+ add $inp, 8, $inp
+ fxor %f2, %f0, %f0 ! ^= ivec
+ prefetch [$out + 63], 22
+
+ des_ip %f0, %f0
+ des_round %f4, %f6, %f0, %f0
+ des_round %f8, %f10, %f0, %f0
+ des_round %f12, %f14, %f0, %f0
+ des_round %f16, %f18, %f0, %f0
+ des_round %f20, %f22, %f0, %f0
+ des_round %f24, %f26, %f0, %f0
+ des_round %f28, %f30, %f0, %f0
+ des_round %f32, %f34, %f0, %f0
+ des_iip %f0, %f0
+
+ brnz,pn $omask, 2f
+ sub $len, 1, $len
+
+ std %f0, [$out + 0]
+ brnz,pt $len, .Ldes_cbc_enc_loop
+ add $out, 8, $out
+
+ st %f0, [$ivec + 0] ! write out ivec
+ retl
+ st %f1, [$ivec + 4]
+
+.align 16
+2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
+ ! and ~4x deterioration
+ ! in inp==out case
+ faligndata %f0, %f0, %f2 ! handle unaligned output
+
+ stda %f8, [$out + $omask]0xc0 ! partial store
+ add $out, 8, $out
+ orn %g0, $omask, $omask
+ stda %f8, [$out + $omask]0xc0 ! partial store
+
+ brnz,pt $len, .Ldes_cbc_enc_loop+4
+ orn %g0, $omask, $omask
+
+ st %f0, [$ivec + 0] ! write out ivec
+ retl
+ st %f1, [$ivec + 4]
+.type des_t4_cbc_encrypt,#function
+.size des_t4_cbc_encrypt,.-des_t4_cbc_encrypt
+
+.globl des_t4_cbc_decrypt
+.align 32
+des_t4_cbc_decrypt:
+ ld [$ivec + 0], %f2 ! load ivec
+ ld [$ivec + 4], %f3
+
+ and $inp, 7, $ileft
+ andn $inp, 7, $inp
+ sll $ileft, 3, $ileft
+ mov 0xff, $omask
+ prefetch [$inp], 20
+ prefetch [$inp + 63], 20
+ sub %g0, $ileft, $iright
+ and $out, 7, %g4
+ alignaddrl $out, %g0, $out
+ srl $omask, %g4, $omask
+ srlx $len, 3, $len
+ movrz %g4, 0, $omask
+ prefetch [$out], 22
+
+ ldd [$key + 0x78], %f4 ! load key schedule
+ ldd [$key + 0x70], %f6
+ ldd [$key + 0x68], %f8
+ ldd [$key + 0x60], %f10
+ ldd [$key + 0x58], %f12
+ ldd [$key + 0x50], %f14
+ ldd [$key + 0x48], %f16
+ ldd [$key + 0x40], %f18
+ ldd [$key + 0x38], %f20
+ ldd [$key + 0x30], %f22
+ ldd [$key + 0x28], %f24
+ ldd [$key + 0x20], %f26
+ ldd [$key + 0x18], %f28
+ ldd [$key + 0x10], %f30
+ ldd [$key + 0x08], %f32
+ ldd [$key + 0x00], %f34
+
+.Ldes_cbc_dec_loop:
+ ldx [$inp + 0], %g4
+ brz,pt $ileft, 4f
+ nop
+
+ ldx [$inp + 8], %g5
+ sllx %g4, $ileft, %g4
+ srlx %g5, $iright, %g5
+ or %g5, %g4, %g4
+4:
+ movxtod %g4, %f0
+ prefetch [$inp + 8+63], 20
+ add $inp, 8, $inp
+ prefetch [$out + 63], 22
+
+ des_ip %f0, %f0
+ des_round %f4, %f6, %f0, %f0
+ des_round %f8, %f10, %f0, %f0
+ des_round %f12, %f14, %f0, %f0
+ des_round %f16, %f18, %f0, %f0
+ des_round %f20, %f22, %f0, %f0
+ des_round %f24, %f26, %f0, %f0
+ des_round %f28, %f30, %f0, %f0
+ des_round %f32, %f34, %f0, %f0
+ des_iip %f0, %f0
+
+ fxor %f2, %f0, %f0 ! ^= ivec
+ movxtod %g4, %f2
+
+ brnz,pn $omask, 2f
+ sub $len, 1, $len
+
+ std %f0, [$out + 0]
+ brnz,pt $len, .Ldes_cbc_dec_loop
+ add $out, 8, $out
+
+ st %f2, [$ivec + 0] ! write out ivec
+ retl
+ st %f3, [$ivec + 4]
+
+.align 16
+2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
+ ! and ~4x deterioration
+ ! in inp==out case
+ faligndata %f0, %f0, %f0 ! handle unaligned output
+
+ stda %f0, [$out + $omask]0xc0 ! partial store
+ add $out, 8, $out
+ orn %g0, $omask, $omask
+ stda %f0, [$out + $omask]0xc0 ! partial store
+
+ brnz,pt $len, .Ldes_cbc_dec_loop+4
+ orn %g0, $omask, $omask
+
+ st %f2, [$ivec + 0] ! write out ivec
+ retl
+ st %f3, [$ivec + 4]
+.type des_t4_cbc_decrypt,#function
+.size des_t4_cbc_decrypt,.-des_t4_cbc_decrypt
+___
+
+# One might wonder why does one have back-to-back des_iip/des_ip
+# pairs between EDE passes. Indeed, aren't they inverse of each other?
+# They almost are. Outcome of the pair is 32-bit words being swapped
+# in target register. Consider pair of des_iip/des_ip as a way to
+# perform the due swap, it's actually fastest way in this case.
+
+$code.=<<___;
+.globl des_t4_ede3_cbc_encrypt
+.align 32
+des_t4_ede3_cbc_encrypt:
+ ld [$ivec + 0], %f0 ! load ivec
+ ld [$ivec + 4], %f1
+
+ and $inp, 7, $ileft
+ andn $inp, 7, $inp
+ sll $ileft, 3, $ileft
+ mov 0xff, $omask
+ prefetch [$inp], 20
+ prefetch [$inp + 63], 20
+ sub %g0, $ileft, $iright
+ and $out, 7, %g4
+ alignaddrl $out, %g0, $out
+ srl $omask, %g4, $omask
+ srlx $len, 3, $len
+ movrz %g4, 0, $omask
+ prefetch [$out], 22
+
+ ldd [$key + 0x00], %f4 ! load key schedule
+ ldd [$key + 0x08], %f6
+ ldd [$key + 0x10], %f8
+ ldd [$key + 0x18], %f10
+ ldd [$key + 0x20], %f12
+ ldd [$key + 0x28], %f14
+ ldd [$key + 0x30], %f16
+ ldd [$key + 0x38], %f18
+ ldd [$key + 0x40], %f20
+ ldd [$key + 0x48], %f22
+ ldd [$key + 0x50], %f24
+ ldd [$key + 0x58], %f26
+ ldd [$key + 0x60], %f28
+ ldd [$key + 0x68], %f30
+ ldd [$key + 0x70], %f32
+ ldd [$key + 0x78], %f34
+
+.Ldes_ede3_cbc_enc_loop:
+ ldx [$inp + 0], %g4
+ brz,pt $ileft, 4f
+ nop
+
+ ldx [$inp + 8], %g5
+ sllx %g4, $ileft, %g4
+ srlx %g5, $iright, %g5
+ or %g5, %g4, %g4
+4:
+ movxtod %g4, %f2
+ prefetch [$inp + 8+63], 20
+ add $inp, 8, $inp
+ fxor %f2, %f0, %f0 ! ^= ivec
+ prefetch [$out + 63], 22
+
+ des_ip %f0, %f0
+ des_round %f4, %f6, %f0, %f0
+ des_round %f8, %f10, %f0, %f0
+ des_round %f12, %f14, %f0, %f0
+ des_round %f16, %f18, %f0, %f0
+ ldd [$key + 0x100-0x08], %f36
+ ldd [$key + 0x100-0x10], %f38
+ des_round %f20, %f22, %f0, %f0
+ ldd [$key + 0x100-0x18], %f40
+ ldd [$key + 0x100-0x20], %f42
+ des_round %f24, %f26, %f0, %f0
+ ldd [$key + 0x100-0x28], %f44
+ ldd [$key + 0x100-0x30], %f46
+ des_round %f28, %f30, %f0, %f0
+ ldd [$key + 0x100-0x38], %f48
+ ldd [$key + 0x100-0x40], %f50
+ des_round %f32, %f34, %f0, %f0
+ ldd [$key + 0x100-0x48], %f52
+ ldd [$key + 0x100-0x50], %f54
+ des_iip %f0, %f0
+
+ ldd [$key + 0x100-0x58], %f56
+ ldd [$key + 0x100-0x60], %f58
+ des_ip %f0, %f0
+ ldd [$key + 0x100-0x68], %f60
+ ldd [$key + 0x100-0x70], %f62
+ des_round %f36, %f38, %f0, %f0
+ ldd [$key + 0x100-0x78], %f36
+ ldd [$key + 0x100-0x80], %f38
+ des_round %f40, %f42, %f0, %f0
+ des_round %f44, %f46, %f0, %f0
+ des_round %f48, %f50, %f0, %f0
+ ldd [$key + 0x100+0x00], %f40
+ ldd [$key + 0x100+0x08], %f42
+ des_round %f52, %f54, %f0, %f0
+ ldd [$key + 0x100+0x10], %f44
+ ldd [$key + 0x100+0x18], %f46
+ des_round %f56, %f58, %f0, %f0
+ ldd [$key + 0x100+0x20], %f48
+ ldd [$key + 0x100+0x28], %f50
+ des_round %f60, %f62, %f0, %f0
+ ldd [$key + 0x100+0x30], %f52
+ ldd [$key + 0x100+0x38], %f54
+ des_round %f36, %f38, %f0, %f0
+ ldd [$key + 0x100+0x40], %f56
+ ldd [$key + 0x100+0x48], %f58
+ des_iip %f0, %f0
+
+ ldd [$key + 0x100+0x50], %f60
+ ldd [$key + 0x100+0x58], %f62
+ des_ip %f0, %f0
+ ldd [$key + 0x100+0x60], %f36
+ ldd [$key + 0x100+0x68], %f38
+ des_round %f40, %f42, %f0, %f0
+ ldd [$key + 0x100+0x70], %f40
+ ldd [$key + 0x100+0x78], %f42
+ des_round %f44, %f46, %f0, %f0
+ des_round %f48, %f50, %f0, %f0
+ des_round %f52, %f54, %f0, %f0
+ des_round %f56, %f58, %f0, %f0
+ des_round %f60, %f62, %f0, %f0
+ des_round %f36, %f38, %f0, %f0
+ des_round %f40, %f42, %f0, %f0
+ des_iip %f0, %f0
+
+ brnz,pn $omask, 2f
+ sub $len, 1, $len
+
+ std %f0, [$out + 0]
+ brnz,pt $len, .Ldes_ede3_cbc_enc_loop
+ add $out, 8, $out
+
+ st %f0, [$ivec + 0] ! write out ivec
+ retl
+ st %f1, [$ivec + 4]
+
+.align 16
+2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
+ ! and ~2x deterioration
+ ! in inp==out case
+ faligndata %f0, %f0, %f2 ! handle unaligned output
+
+ stda %f2, [$out + $omask]0xc0 ! partial store
+ add $out, 8, $out
+ orn %g0, $omask, $omask
+ stda %f2, [$out + $omask]0xc0 ! partial store
+
+ brnz,pt $len, .Ldes_ede3_cbc_enc_loop+4
+ orn %g0, $omask, $omask
+
+ st %f0, [$ivec + 0] ! write out ivec
+ retl
+ st %f1, [$ivec + 4]
+.type des_t4_ede3_cbc_encrypt,#function
+.size des_t4_ede3_cbc_encrypt,.-des_t4_ede3_cbc_encrypt
+
+.globl des_t4_ede3_cbc_decrypt
+.align 32
+des_t4_ede3_cbc_decrypt:
+ ld [$ivec + 0], %f2 ! load ivec
+ ld [$ivec + 4], %f3
+
+ and $inp, 7, $ileft
+ andn $inp, 7, $inp
+ sll $ileft, 3, $ileft
+ mov 0xff, $omask
+ prefetch [$inp], 20
+ prefetch [$inp + 63], 20
+ sub %g0, $ileft, $iright
+ and $out, 7, %g4
+ alignaddrl $out, %g0, $out
+ srl $omask, %g4, $omask
+ srlx $len, 3, $len
+ movrz %g4, 0, $omask
+ prefetch [$out], 22
+
+ ldd [$key + 0x100+0x78], %f4 ! load key schedule
+ ldd [$key + 0x100+0x70], %f6
+ ldd [$key + 0x100+0x68], %f8
+ ldd [$key + 0x100+0x60], %f10
+ ldd [$key + 0x100+0x58], %f12
+ ldd [$key + 0x100+0x50], %f14
+ ldd [$key + 0x100+0x48], %f16
+ ldd [$key + 0x100+0x40], %f18
+ ldd [$key + 0x100+0x38], %f20
+ ldd [$key + 0x100+0x30], %f22
+ ldd [$key + 0x100+0x28], %f24
+ ldd [$key + 0x100+0x20], %f26
+ ldd [$key + 0x100+0x18], %f28
+ ldd [$key + 0x100+0x10], %f30
+ ldd [$key + 0x100+0x08], %f32
+ ldd [$key + 0x100+0x00], %f34
+
+.Ldes_ede3_cbc_dec_loop:
+ ldx [$inp + 0], %g4
+ brz,pt $ileft, 4f
+ nop
+
+ ldx [$inp + 8], %g5
+ sllx %g4, $ileft, %g4
+ srlx %g5, $iright, %g5
+ or %g5, %g4, %g4
+4:
+ movxtod %g4, %f0
+ prefetch [$inp + 8+63], 20
+ add $inp, 8, $inp
+ prefetch [$out + 63], 22
+
+ des_ip %f0, %f0
+ des_round %f4, %f6, %f0, %f0
+ des_round %f8, %f10, %f0, %f0
+ des_round %f12, %f14, %f0, %f0
+ des_round %f16, %f18, %f0, %f0
+ ldd [$key + 0x80+0x00], %f36
+ ldd [$key + 0x80+0x08], %f38
+ des_round %f20, %f22, %f0, %f0
+ ldd [$key + 0x80+0x10], %f40
+ ldd [$key + 0x80+0x18], %f42
+ des_round %f24, %f26, %f0, %f0
+ ldd [$key + 0x80+0x20], %f44
+ ldd [$key + 0x80+0x28], %f46
+ des_round %f28, %f30, %f0, %f0
+ ldd [$key + 0x80+0x30], %f48
+ ldd [$key + 0x80+0x38], %f50
+ des_round %f32, %f34, %f0, %f0
+ ldd [$key + 0x80+0x40], %f52
+ ldd [$key + 0x80+0x48], %f54
+ des_iip %f0, %f0
+
+ ldd [$key + 0x80+0x50], %f56
+ ldd [$key + 0x80+0x58], %f58
+ des_ip %f0, %f0
+ ldd [$key + 0x80+0x60], %f60
+ ldd [$key + 0x80+0x68], %f62
+ des_round %f36, %f38, %f0, %f0
+ ldd [$key + 0x80+0x70], %f36
+ ldd [$key + 0x80+0x78], %f38
+ des_round %f40, %f42, %f0, %f0
+ des_round %f44, %f46, %f0, %f0
+ des_round %f48, %f50, %f0, %f0
+ ldd [$key + 0x80-0x08], %f40
+ ldd [$key + 0x80-0x10], %f42
+ des_round %f52, %f54, %f0, %f0
+ ldd [$key + 0x80-0x18], %f44
+ ldd [$key + 0x80-0x20], %f46
+ des_round %f56, %f58, %f0, %f0
+ ldd [$key + 0x80-0x28], %f48
+ ldd [$key + 0x80-0x30], %f50
+ des_round %f60, %f62, %f0, %f0
+ ldd [$key + 0x80-0x38], %f52
+ ldd [$key + 0x80-0x40], %f54
+ des_round %f36, %f38, %f0, %f0
+ ldd [$key + 0x80-0x48], %f56
+ ldd [$key + 0x80-0x50], %f58
+ des_iip %f0, %f0
+
+ ldd [$key + 0x80-0x58], %f60
+ ldd [$key + 0x80-0x60], %f62
+ des_ip %f0, %f0
+ ldd [$key + 0x80-0x68], %f36
+ ldd [$key + 0x80-0x70], %f38
+ des_round %f40, %f42, %f0, %f0
+ ldd [$key + 0x80-0x78], %f40
+ ldd [$key + 0x80-0x80], %f42
+ des_round %f44, %f46, %f0, %f0
+ des_round %f48, %f50, %f0, %f0
+ des_round %f52, %f54, %f0, %f0
+ des_round %f56, %f58, %f0, %f0
+ des_round %f60, %f62, %f0, %f0
+ des_round %f36, %f38, %f0, %f0
+ des_round %f40, %f42, %f0, %f0
+ des_iip %f0, %f0
+
+ fxor %f2, %f0, %f0 ! ^= ivec
+ movxtod %g4, %f2
+
+ brnz,pn $omask, 2f
+ sub $len, 1, $len
+
+ std %f0, [$out + 0]
+ brnz,pt $len, .Ldes_ede3_cbc_dec_loop
+ add $out, 8, $out
+
+ st %f2, [$ivec + 0] ! write out ivec
+ retl
+ st %f3, [$ivec + 4]
+
+.align 16
+2: ldxa [$inp]0x82, %g4 ! avoid read-after-write hazard
+ ! and ~3x deterioration
+ ! in inp==out case
+ faligndata %f0, %f0, %f0 ! handle unaligned output
+
+ stda %f0, [$out + $omask]0xc0 ! partial store
+ add $out, 8, $out
+ orn %g0, $omask, $omask
+ stda %f0, [$out + $omask]0xc0 ! partial store
+
+ brnz,pt $len, .Ldes_ede3_cbc_dec_loop+4
+ orn %g0, $omask, $omask
+
+ st %f2, [$ivec + 0] ! write out ivec
+ retl
+ st %f3, [$ivec + 4]
+.type des_t4_ede3_cbc_decrypt,#function
+.size des_t4_ede3_cbc_decrypt,.-des_t4_ede3_cbc_decrypt
+___
+}
+$code.=<<___;
+.asciz "DES for SPARC T4, David S. Miller, Andy Polyakov"
+.align 4
+___
+
+&emit_assembler();
+
+close STDOUT;
projects / thirdparty / openssl.git / commitdiff
