Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | #!/usr/bin/env perl |
| 2 | |
| 3 | # ==================================================================== |
| 4 | # Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL |
| 5 | # project. The module is, however, dual licensed under OpenSSL and |
| 6 | # CRYPTOGAMS licenses depending on where you obtain it. For further |
| 7 | # details see http://www.openssl.org/~appro/cryptogams/. |
| 8 | # ==================================================================== |
| 9 | |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 10 | # Needs more work: key setup, page boundaries, CBC routine... |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 11 | # |
| 12 | # ppc_AES_[en|de]crypt perform at 18 cycles per byte processed with |
| 13 | # 128-bit key, which is ~40% better than 64-bit code generated by gcc |
| 14 | # 4.0. But these are not the ones currently used! Their "compact" |
| 15 | # counterparts are, for security reason. ppc_AES_encrypt_compact runs |
| 16 | # at 1/2 of ppc_AES_encrypt speed, while ppc_AES_decrypt_compact - |
| 17 | # at 1/3 of ppc_AES_decrypt. |
| 18 | |
| 19 | # February 2010 |
| 20 | # |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 21 | # Rescheduling instructions to favour Power6 pipeline gives 10% |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 22 | # performance improvement on the platfrom in question (and marginal |
| 23 | # improvement even on others). It should be noted that Power6 fails |
| 24 | # to process byte in 18 cycles, only in 23, because it fails to issue |
| 25 | # 4 load instructions in two cycles, only in 3. As result non-compact |
| 26 | # block subroutines are 25% slower than one would expect. Compact |
| 27 | # functions scale better, because they have pure computational part, |
| 28 | # which scales perfectly with clock frequency. To be specific |
| 29 | # ppc_AES_encrypt_compact operates at 42 cycles per byte, while |
| 30 | # ppc_AES_decrypt_compact - at 55 (in 64-bit build). |
| 31 | |
| 32 | $flavour = shift; |
| 33 | |
| 34 | if ($flavour =~ /64/) { |
| 35 | $SIZE_T =8; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 36 | $STU ="stdu"; |
| 37 | $POP ="ld"; |
| 38 | $PUSH ="std"; |
| 39 | } elsif ($flavour =~ /32/) { |
| 40 | $SIZE_T =4; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 41 | $STU ="stwu"; |
| 42 | $POP ="lwz"; |
| 43 | $PUSH ="stw"; |
| 44 | } else { die "nonsense $flavour"; } |
| 45 | |
| 46 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; |
| 47 | ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or |
| 48 | ( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or |
| 49 | die "can't locate ppc-xlate.pl"; |
| 50 | |
| 51 | open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; |
| 52 | |
| 53 | $FRAME=32*$SIZE_T; |
| 54 | |
| 55 | sub _data_word() |
| 56 | { my $i; |
| 57 | while(defined($i=shift)) { $code.=sprintf"\t.long\t0x%08x,0x%08x\n",$i,$i; } |
| 58 | } |
| 59 | |
| 60 | $sp="r1"; |
| 61 | $toc="r2"; |
| 62 | $inp="r3"; |
| 63 | $out="r4"; |
| 64 | $key="r5"; |
| 65 | |
| 66 | $Tbl0="r3"; |
| 67 | $Tbl1="r6"; |
| 68 | $Tbl2="r7"; |
| 69 | $Tbl3="r2"; |
| 70 | |
| 71 | $s0="r8"; |
| 72 | $s1="r9"; |
| 73 | $s2="r10"; |
| 74 | $s3="r11"; |
| 75 | |
| 76 | $t0="r12"; |
| 77 | $t1="r13"; |
| 78 | $t2="r14"; |
| 79 | $t3="r15"; |
| 80 | |
| 81 | $acc00="r16"; |
| 82 | $acc01="r17"; |
| 83 | $acc02="r18"; |
| 84 | $acc03="r19"; |
| 85 | |
| 86 | $acc04="r20"; |
| 87 | $acc05="r21"; |
| 88 | $acc06="r22"; |
| 89 | $acc07="r23"; |
| 90 | |
| 91 | $acc08="r24"; |
| 92 | $acc09="r25"; |
| 93 | $acc10="r26"; |
| 94 | $acc11="r27"; |
| 95 | |
| 96 | $acc12="r28"; |
| 97 | $acc13="r29"; |
| 98 | $acc14="r30"; |
| 99 | $acc15="r31"; |
| 100 | |
| 101 | # stay away from TLS pointer |
| 102 | if ($SIZE_T==8) { die if ($t1 ne "r13"); $t1="r0"; } |
| 103 | else { die if ($Tbl3 ne "r2"); $Tbl3=$t0; $t0="r0"; } |
| 104 | $mask80=$Tbl2; |
| 105 | $mask1b=$Tbl3; |
| 106 | |
| 107 | $code.=<<___; |
| 108 | .machine "any" |
| 109 | .text |
| 110 | |
| 111 | .align 7 |
| 112 | LAES_Te: |
| 113 | mflr r0 |
| 114 | bcl 20,31,\$+4 |
| 115 | mflr $Tbl0 ; vvvvv "distance" between . and 1st data entry |
| 116 | addi $Tbl0,$Tbl0,`128-8` |
| 117 | mtlr r0 |
| 118 | blr |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 119 | .space `32-24` |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 120 | LAES_Td: |
| 121 | mflr r0 |
| 122 | bcl 20,31,\$+4 |
| 123 | mflr $Tbl0 ; vvvvvvvv "distance" between . and 1st data entry |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 124 | addi $Tbl0,$Tbl0,`128-8-32+2048+256` |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 125 | mtlr r0 |
| 126 | blr |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 127 | .space `128-32-24` |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 128 | ___ |
| 129 | &_data_word( |
| 130 | 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, |
| 131 | 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, |
| 132 | 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, |
| 133 | 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, |
| 134 | 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, |
| 135 | 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, |
| 136 | 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, |
| 137 | 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, |
| 138 | 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, |
| 139 | 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, |
| 140 | 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, |
| 141 | 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, |
| 142 | 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, |
| 143 | 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, |
| 144 | 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, |
| 145 | 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, |
| 146 | 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, |
| 147 | 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, |
| 148 | 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, |
| 149 | 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, |
| 150 | 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, |
| 151 | 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, |
| 152 | 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, |
| 153 | 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, |
| 154 | 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, |
| 155 | 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, |
| 156 | 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, |
| 157 | 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, |
| 158 | 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, |
| 159 | 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, |
| 160 | 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, |
| 161 | 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, |
| 162 | 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, |
| 163 | 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, |
| 164 | 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, |
| 165 | 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, |
| 166 | 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, |
| 167 | 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, |
| 168 | 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, |
| 169 | 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, |
| 170 | 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, |
| 171 | 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, |
| 172 | 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, |
| 173 | 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, |
| 174 | 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, |
| 175 | 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, |
| 176 | 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, |
| 177 | 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, |
| 178 | 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, |
| 179 | 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, |
| 180 | 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, |
| 181 | 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, |
| 182 | 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, |
| 183 | 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, |
| 184 | 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, |
| 185 | 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, |
| 186 | 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, |
| 187 | 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, |
| 188 | 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, |
| 189 | 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, |
| 190 | 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, |
| 191 | 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, |
| 192 | 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, |
| 193 | 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a); |
| 194 | $code.=<<___; |
| 195 | .byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5 |
| 196 | .byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76 |
| 197 | .byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0 |
| 198 | .byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0 |
| 199 | .byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc |
| 200 | .byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15 |
| 201 | .byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a |
| 202 | .byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75 |
| 203 | .byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0 |
| 204 | .byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84 |
| 205 | .byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b |
| 206 | .byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf |
| 207 | .byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85 |
| 208 | .byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8 |
| 209 | .byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5 |
| 210 | .byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2 |
| 211 | .byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17 |
| 212 | .byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73 |
| 213 | .byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88 |
| 214 | .byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb |
| 215 | .byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c |
| 216 | .byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79 |
| 217 | .byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9 |
| 218 | .byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08 |
| 219 | .byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6 |
| 220 | .byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a |
| 221 | .byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e |
| 222 | .byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e |
| 223 | .byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94 |
| 224 | .byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf |
| 225 | .byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68 |
| 226 | .byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 |
| 227 | ___ |
| 228 | &_data_word( |
| 229 | 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, |
| 230 | 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, |
| 231 | 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, |
| 232 | 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, |
| 233 | 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, |
| 234 | 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, |
| 235 | 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, |
| 236 | 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, |
| 237 | 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, |
| 238 | 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, |
| 239 | 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, |
| 240 | 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, |
| 241 | 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, |
| 242 | 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, |
| 243 | 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, |
| 244 | 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, |
| 245 | 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, |
| 246 | 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, |
| 247 | 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, |
| 248 | 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, |
| 249 | 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, |
| 250 | 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, |
| 251 | 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, |
| 252 | 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, |
| 253 | 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, |
| 254 | 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, |
| 255 | 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, |
| 256 | 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, |
| 257 | 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, |
| 258 | 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, |
| 259 | 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, |
| 260 | 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, |
| 261 | 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, |
| 262 | 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, |
| 263 | 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, |
| 264 | 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, |
| 265 | 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, |
| 266 | 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, |
| 267 | 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, |
| 268 | 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, |
| 269 | 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, |
| 270 | 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, |
| 271 | 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, |
| 272 | 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, |
| 273 | 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, |
| 274 | 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, |
| 275 | 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, |
| 276 | 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, |
| 277 | 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, |
| 278 | 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, |
| 279 | 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, |
| 280 | 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, |
| 281 | 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, |
| 282 | 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, |
| 283 | 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, |
| 284 | 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, |
| 285 | 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, |
| 286 | 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, |
| 287 | 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, |
| 288 | 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, |
| 289 | 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, |
| 290 | 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, |
| 291 | 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, |
| 292 | 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742); |
| 293 | $code.=<<___; |
| 294 | .byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38 |
| 295 | .byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb |
| 296 | .byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87 |
| 297 | .byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb |
| 298 | .byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d |
| 299 | .byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e |
| 300 | .byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2 |
| 301 | .byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25 |
| 302 | .byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16 |
| 303 | .byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92 |
| 304 | .byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda |
| 305 | .byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84 |
| 306 | .byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a |
| 307 | .byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06 |
| 308 | .byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02 |
| 309 | .byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b |
| 310 | .byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea |
| 311 | .byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73 |
| 312 | .byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85 |
| 313 | .byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e |
| 314 | .byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89 |
| 315 | .byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b |
| 316 | .byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20 |
| 317 | .byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4 |
| 318 | .byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31 |
| 319 | .byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f |
| 320 | .byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d |
| 321 | .byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef |
| 322 | .byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0 |
| 323 | .byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61 |
| 324 | .byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26 |
| 325 | .byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d |
| 326 | |
| 327 | |
| 328 | .globl .AES_encrypt |
| 329 | .align 7 |
| 330 | .AES_encrypt: |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 331 | mflr r0 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 332 | $STU $sp,-$FRAME($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 333 | |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 334 | $PUSH r0,`$FRAME-$SIZE_T*21`($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 335 | $PUSH $toc,`$FRAME-$SIZE_T*20`($sp) |
| 336 | $PUSH r13,`$FRAME-$SIZE_T*19`($sp) |
| 337 | $PUSH r14,`$FRAME-$SIZE_T*18`($sp) |
| 338 | $PUSH r15,`$FRAME-$SIZE_T*17`($sp) |
| 339 | $PUSH r16,`$FRAME-$SIZE_T*16`($sp) |
| 340 | $PUSH r17,`$FRAME-$SIZE_T*15`($sp) |
| 341 | $PUSH r18,`$FRAME-$SIZE_T*14`($sp) |
| 342 | $PUSH r19,`$FRAME-$SIZE_T*13`($sp) |
| 343 | $PUSH r20,`$FRAME-$SIZE_T*12`($sp) |
| 344 | $PUSH r21,`$FRAME-$SIZE_T*11`($sp) |
| 345 | $PUSH r22,`$FRAME-$SIZE_T*10`($sp) |
| 346 | $PUSH r23,`$FRAME-$SIZE_T*9`($sp) |
| 347 | $PUSH r24,`$FRAME-$SIZE_T*8`($sp) |
| 348 | $PUSH r25,`$FRAME-$SIZE_T*7`($sp) |
| 349 | $PUSH r26,`$FRAME-$SIZE_T*6`($sp) |
| 350 | $PUSH r27,`$FRAME-$SIZE_T*5`($sp) |
| 351 | $PUSH r28,`$FRAME-$SIZE_T*4`($sp) |
| 352 | $PUSH r29,`$FRAME-$SIZE_T*3`($sp) |
| 353 | $PUSH r30,`$FRAME-$SIZE_T*2`($sp) |
| 354 | $PUSH r31,`$FRAME-$SIZE_T*1`($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 355 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 356 | lwz $s0,0($inp) |
| 357 | lwz $s1,4($inp) |
| 358 | lwz $s2,8($inp) |
| 359 | lwz $s3,12($inp) |
| 360 | bl LAES_Te |
| 361 | bl Lppc_AES_encrypt_compact |
| 362 | stw $s0,0($out) |
| 363 | stw $s1,4($out) |
| 364 | stw $s2,8($out) |
| 365 | stw $s3,12($out) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 366 | |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 367 | $POP r0,`$FRAME-$SIZE_T*21`($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 368 | $POP $toc,`$FRAME-$SIZE_T*20`($sp) |
| 369 | $POP r13,`$FRAME-$SIZE_T*19`($sp) |
| 370 | $POP r14,`$FRAME-$SIZE_T*18`($sp) |
| 371 | $POP r15,`$FRAME-$SIZE_T*17`($sp) |
| 372 | $POP r16,`$FRAME-$SIZE_T*16`($sp) |
| 373 | $POP r17,`$FRAME-$SIZE_T*15`($sp) |
| 374 | $POP r18,`$FRAME-$SIZE_T*14`($sp) |
| 375 | $POP r19,`$FRAME-$SIZE_T*13`($sp) |
| 376 | $POP r20,`$FRAME-$SIZE_T*12`($sp) |
| 377 | $POP r21,`$FRAME-$SIZE_T*11`($sp) |
| 378 | $POP r22,`$FRAME-$SIZE_T*10`($sp) |
| 379 | $POP r23,`$FRAME-$SIZE_T*9`($sp) |
| 380 | $POP r24,`$FRAME-$SIZE_T*8`($sp) |
| 381 | $POP r25,`$FRAME-$SIZE_T*7`($sp) |
| 382 | $POP r26,`$FRAME-$SIZE_T*6`($sp) |
| 383 | $POP r27,`$FRAME-$SIZE_T*5`($sp) |
| 384 | $POP r28,`$FRAME-$SIZE_T*4`($sp) |
| 385 | $POP r29,`$FRAME-$SIZE_T*3`($sp) |
| 386 | $POP r30,`$FRAME-$SIZE_T*2`($sp) |
| 387 | $POP r31,`$FRAME-$SIZE_T*1`($sp) |
| 388 | mtlr r0 |
| 389 | addi $sp,$sp,$FRAME |
| 390 | blr |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 391 | |
| 392 | .align 5 |
| 393 | Lppc_AES_encrypt: |
| 394 | lwz $acc00,240($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 395 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 396 | lwz $t1,4($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 397 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 398 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 399 | addi $Tbl1,$Tbl0,3 |
| 400 | addi $Tbl2,$Tbl0,2 |
| 401 | addi $Tbl3,$Tbl0,1 |
| 402 | addi $acc00,$acc00,-1 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 403 | addi $key,$key,16 |
| 404 | xor $s0,$s0,$t0 |
| 405 | xor $s1,$s1,$t1 |
| 406 | xor $s2,$s2,$t2 |
| 407 | xor $s3,$s3,$t3 |
| 408 | mtctr $acc00 |
| 409 | .align 4 |
| 410 | Lenc_loop: |
| 411 | rlwinm $acc00,$s0,`32-24+3`,21,28 |
| 412 | rlwinm $acc01,$s1,`32-24+3`,21,28 |
| 413 | rlwinm $acc02,$s2,`32-24+3`,21,28 |
| 414 | rlwinm $acc03,$s3,`32-24+3`,21,28 |
| 415 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 416 | lwz $t1,4($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 417 | rlwinm $acc04,$s1,`32-16+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 418 | rlwinm $acc05,$s2,`32-16+3`,21,28 |
| 419 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 420 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 421 | rlwinm $acc06,$s3,`32-16+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 422 | rlwinm $acc07,$s0,`32-16+3`,21,28 |
| 423 | lwzx $acc00,$Tbl0,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 424 | lwzx $acc01,$Tbl0,$acc01 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 425 | rlwinm $acc08,$s2,`32-8+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 426 | rlwinm $acc09,$s3,`32-8+3`,21,28 |
| 427 | lwzx $acc02,$Tbl0,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 428 | lwzx $acc03,$Tbl0,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 429 | rlwinm $acc10,$s0,`32-8+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 430 | rlwinm $acc11,$s1,`32-8+3`,21,28 |
| 431 | lwzx $acc04,$Tbl1,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 432 | lwzx $acc05,$Tbl1,$acc05 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 433 | rlwinm $acc12,$s3,`0+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 434 | rlwinm $acc13,$s0,`0+3`,21,28 |
| 435 | lwzx $acc06,$Tbl1,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 436 | lwzx $acc07,$Tbl1,$acc07 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 437 | rlwinm $acc14,$s1,`0+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 438 | rlwinm $acc15,$s2,`0+3`,21,28 |
| 439 | lwzx $acc08,$Tbl2,$acc08 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 440 | lwzx $acc09,$Tbl2,$acc09 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 441 | xor $t0,$t0,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 442 | xor $t1,$t1,$acc01 |
| 443 | lwzx $acc10,$Tbl2,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 444 | lwzx $acc11,$Tbl2,$acc11 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 445 | xor $t2,$t2,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 446 | xor $t3,$t3,$acc03 |
| 447 | lwzx $acc12,$Tbl3,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 448 | lwzx $acc13,$Tbl3,$acc13 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 449 | xor $t0,$t0,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 450 | xor $t1,$t1,$acc05 |
| 451 | lwzx $acc14,$Tbl3,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 452 | lwzx $acc15,$Tbl3,$acc15 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 453 | xor $t2,$t2,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 454 | xor $t3,$t3,$acc07 |
| 455 | xor $t0,$t0,$acc08 |
| 456 | xor $t1,$t1,$acc09 |
| 457 | xor $t2,$t2,$acc10 |
| 458 | xor $t3,$t3,$acc11 |
| 459 | xor $s0,$t0,$acc12 |
| 460 | xor $s1,$t1,$acc13 |
| 461 | xor $s2,$t2,$acc14 |
| 462 | xor $s3,$t3,$acc15 |
| 463 | addi $key,$key,16 |
| 464 | bdnz- Lenc_loop |
| 465 | |
| 466 | addi $Tbl2,$Tbl0,2048 |
| 467 | nop |
| 468 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 469 | lwz $t1,4($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 470 | rlwinm $acc00,$s0,`32-24`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 471 | rlwinm $acc01,$s1,`32-24`,24,31 |
| 472 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 473 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 474 | rlwinm $acc02,$s2,`32-24`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 475 | rlwinm $acc03,$s3,`32-24`,24,31 |
| 476 | lwz $acc08,`2048+0`($Tbl0) ! prefetch Te4 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 477 | lwz $acc09,`2048+32`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 478 | rlwinm $acc04,$s1,`32-16`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 479 | rlwinm $acc05,$s2,`32-16`,24,31 |
| 480 | lwz $acc10,`2048+64`($Tbl0) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 481 | lwz $acc11,`2048+96`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 482 | rlwinm $acc06,$s3,`32-16`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 483 | rlwinm $acc07,$s0,`32-16`,24,31 |
| 484 | lwz $acc12,`2048+128`($Tbl0) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 485 | lwz $acc13,`2048+160`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 486 | rlwinm $acc08,$s2,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 487 | rlwinm $acc09,$s3,`32-8`,24,31 |
| 488 | lwz $acc14,`2048+192`($Tbl0) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 489 | lwz $acc15,`2048+224`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 490 | rlwinm $acc10,$s0,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 491 | rlwinm $acc11,$s1,`32-8`,24,31 |
| 492 | lbzx $acc00,$Tbl2,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 493 | lbzx $acc01,$Tbl2,$acc01 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 494 | rlwinm $acc12,$s3,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 495 | rlwinm $acc13,$s0,`0`,24,31 |
| 496 | lbzx $acc02,$Tbl2,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 497 | lbzx $acc03,$Tbl2,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 498 | rlwinm $acc14,$s1,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 499 | rlwinm $acc15,$s2,`0`,24,31 |
| 500 | lbzx $acc04,$Tbl2,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 501 | lbzx $acc05,$Tbl2,$acc05 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 502 | rlwinm $s0,$acc00,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 503 | rlwinm $s1,$acc01,24,0,7 |
| 504 | lbzx $acc06,$Tbl2,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 505 | lbzx $acc07,$Tbl2,$acc07 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 506 | rlwinm $s2,$acc02,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 507 | rlwinm $s3,$acc03,24,0,7 |
| 508 | lbzx $acc08,$Tbl2,$acc08 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 509 | lbzx $acc09,$Tbl2,$acc09 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 510 | rlwimi $s0,$acc04,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 511 | rlwimi $s1,$acc05,16,8,15 |
| 512 | lbzx $acc10,$Tbl2,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 513 | lbzx $acc11,$Tbl2,$acc11 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 514 | rlwimi $s2,$acc06,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 515 | rlwimi $s3,$acc07,16,8,15 |
| 516 | lbzx $acc12,$Tbl2,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 517 | lbzx $acc13,$Tbl2,$acc13 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 518 | rlwimi $s0,$acc08,8,16,23 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 519 | rlwimi $s1,$acc09,8,16,23 |
| 520 | lbzx $acc14,$Tbl2,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 521 | lbzx $acc15,$Tbl2,$acc15 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 522 | rlwimi $s2,$acc10,8,16,23 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 523 | rlwimi $s3,$acc11,8,16,23 |
| 524 | or $s0,$s0,$acc12 |
| 525 | or $s1,$s1,$acc13 |
| 526 | or $s2,$s2,$acc14 |
| 527 | or $s3,$s3,$acc15 |
| 528 | xor $s0,$s0,$t0 |
| 529 | xor $s1,$s1,$t1 |
| 530 | xor $s2,$s2,$t2 |
| 531 | xor $s3,$s3,$t3 |
| 532 | blr |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 533 | |
| 534 | .align 4 |
| 535 | Lppc_AES_encrypt_compact: |
| 536 | lwz $acc00,240($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 537 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 538 | lwz $t1,4($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 539 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 540 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 541 | addi $Tbl1,$Tbl0,2048 |
| 542 | lis $mask80,0x8080 |
| 543 | lis $mask1b,0x1b1b |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 544 | addi $key,$key,16 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 545 | ori $mask80,$mask80,0x8080 |
| 546 | ori $mask1b,$mask1b,0x1b1b |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 547 | mtctr $acc00 |
| 548 | .align 4 |
| 549 | Lenc_compact_loop: |
| 550 | xor $s0,$s0,$t0 |
| 551 | xor $s1,$s1,$t1 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 552 | xor $s2,$s2,$t2 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 553 | xor $s3,$s3,$t3 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 554 | rlwinm $acc00,$s0,`32-24`,24,31 |
| 555 | rlwinm $acc01,$s1,`32-24`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 556 | rlwinm $acc02,$s2,`32-24`,24,31 |
| 557 | rlwinm $acc03,$s3,`32-24`,24,31 |
| 558 | rlwinm $acc04,$s1,`32-16`,24,31 |
| 559 | rlwinm $acc05,$s2,`32-16`,24,31 |
| 560 | rlwinm $acc06,$s3,`32-16`,24,31 |
| 561 | rlwinm $acc07,$s0,`32-16`,24,31 |
| 562 | lbzx $acc00,$Tbl1,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 563 | lbzx $acc01,$Tbl1,$acc01 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 564 | rlwinm $acc08,$s2,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 565 | rlwinm $acc09,$s3,`32-8`,24,31 |
| 566 | lbzx $acc02,$Tbl1,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 567 | lbzx $acc03,$Tbl1,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 568 | rlwinm $acc10,$s0,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 569 | rlwinm $acc11,$s1,`32-8`,24,31 |
| 570 | lbzx $acc04,$Tbl1,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 571 | lbzx $acc05,$Tbl1,$acc05 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 572 | rlwinm $acc12,$s3,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 573 | rlwinm $acc13,$s0,`0`,24,31 |
| 574 | lbzx $acc06,$Tbl1,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 575 | lbzx $acc07,$Tbl1,$acc07 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 576 | rlwinm $acc14,$s1,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 577 | rlwinm $acc15,$s2,`0`,24,31 |
| 578 | lbzx $acc08,$Tbl1,$acc08 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 579 | lbzx $acc09,$Tbl1,$acc09 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 580 | rlwinm $s0,$acc00,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 581 | rlwinm $s1,$acc01,24,0,7 |
| 582 | lbzx $acc10,$Tbl1,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 583 | lbzx $acc11,$Tbl1,$acc11 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 584 | rlwinm $s2,$acc02,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 585 | rlwinm $s3,$acc03,24,0,7 |
| 586 | lbzx $acc12,$Tbl1,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 587 | lbzx $acc13,$Tbl1,$acc13 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 588 | rlwimi $s0,$acc04,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 589 | rlwimi $s1,$acc05,16,8,15 |
| 590 | lbzx $acc14,$Tbl1,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 591 | lbzx $acc15,$Tbl1,$acc15 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 592 | rlwimi $s2,$acc06,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 593 | rlwimi $s3,$acc07,16,8,15 |
| 594 | rlwimi $s0,$acc08,8,16,23 |
| 595 | rlwimi $s1,$acc09,8,16,23 |
| 596 | rlwimi $s2,$acc10,8,16,23 |
| 597 | rlwimi $s3,$acc11,8,16,23 |
| 598 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 599 | lwz $t1,4($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 600 | or $s0,$s0,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 601 | or $s1,$s1,$acc13 |
| 602 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 603 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 604 | or $s2,$s2,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 605 | or $s3,$s3,$acc15 |
| 606 | |
| 607 | addi $key,$key,16 |
| 608 | bdz Lenc_compact_done |
| 609 | |
| 610 | and $acc00,$s0,$mask80 # r1=r0&0x80808080 |
| 611 | and $acc01,$s1,$mask80 |
| 612 | and $acc02,$s2,$mask80 |
| 613 | and $acc03,$s3,$mask80 |
| 614 | srwi $acc04,$acc00,7 # r1>>7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 615 | srwi $acc05,$acc01,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 616 | srwi $acc06,$acc02,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 617 | srwi $acc07,$acc03,7 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 618 | andc $acc08,$s0,$mask80 # r0&0x7f7f7f7f |
| 619 | andc $acc09,$s1,$mask80 |
| 620 | andc $acc10,$s2,$mask80 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 621 | andc $acc11,$s3,$mask80 |
| 622 | sub $acc00,$acc00,$acc04 # r1-(r1>>7) |
| 623 | sub $acc01,$acc01,$acc05 |
| 624 | sub $acc02,$acc02,$acc06 |
| 625 | sub $acc03,$acc03,$acc07 |
| 626 | add $acc08,$acc08,$acc08 # (r0&0x7f7f7f7f)<<1 |
| 627 | add $acc09,$acc09,$acc09 |
| 628 | add $acc10,$acc10,$acc10 |
| 629 | add $acc11,$acc11,$acc11 |
| 630 | and $acc00,$acc00,$mask1b # (r1-(r1>>7))&0x1b1b1b1b |
| 631 | and $acc01,$acc01,$mask1b |
| 632 | and $acc02,$acc02,$mask1b |
| 633 | and $acc03,$acc03,$mask1b |
| 634 | xor $acc00,$acc00,$acc08 # r2 |
| 635 | xor $acc01,$acc01,$acc09 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 636 | xor $acc02,$acc02,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 637 | xor $acc03,$acc03,$acc11 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 638 | |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 639 | rotlwi $acc12,$s0,16 # ROTATE(r0,16) |
| 640 | rotlwi $acc13,$s1,16 |
| 641 | rotlwi $acc14,$s2,16 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 642 | rotlwi $acc15,$s3,16 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 643 | xor $s0,$s0,$acc00 # r0^r2 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 644 | xor $s1,$s1,$acc01 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 645 | xor $s2,$s2,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 646 | xor $s3,$s3,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 647 | rotrwi $s0,$s0,24 # ROTATE(r2^r0,24) |
| 648 | rotrwi $s1,$s1,24 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 649 | rotrwi $s2,$s2,24 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 650 | rotrwi $s3,$s3,24 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 651 | xor $s0,$s0,$acc00 # ROTATE(r2^r0,24)^r2 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 652 | xor $s1,$s1,$acc01 |
| 653 | xor $s2,$s2,$acc02 |
| 654 | xor $s3,$s3,$acc03 |
| 655 | rotlwi $acc08,$acc12,8 # ROTATE(r0,24) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 656 | rotlwi $acc09,$acc13,8 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 657 | rotlwi $acc10,$acc14,8 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 658 | rotlwi $acc11,$acc15,8 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 659 | xor $s0,$s0,$acc12 # |
| 660 | xor $s1,$s1,$acc13 |
| 661 | xor $s2,$s2,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 662 | xor $s3,$s3,$acc15 |
| 663 | xor $s0,$s0,$acc08 # |
| 664 | xor $s1,$s1,$acc09 |
| 665 | xor $s2,$s2,$acc10 |
| 666 | xor $s3,$s3,$acc11 |
| 667 | |
| 668 | b Lenc_compact_loop |
| 669 | .align 4 |
| 670 | Lenc_compact_done: |
| 671 | xor $s0,$s0,$t0 |
| 672 | xor $s1,$s1,$t1 |
| 673 | xor $s2,$s2,$t2 |
| 674 | xor $s3,$s3,$t3 |
| 675 | blr |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 676 | |
| 677 | .globl .AES_decrypt |
| 678 | .align 7 |
| 679 | .AES_decrypt: |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 680 | mflr r0 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 681 | $STU $sp,-$FRAME($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 682 | |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 683 | $PUSH r0,`$FRAME-$SIZE_T*21`($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 684 | $PUSH $toc,`$FRAME-$SIZE_T*20`($sp) |
| 685 | $PUSH r13,`$FRAME-$SIZE_T*19`($sp) |
| 686 | $PUSH r14,`$FRAME-$SIZE_T*18`($sp) |
| 687 | $PUSH r15,`$FRAME-$SIZE_T*17`($sp) |
| 688 | $PUSH r16,`$FRAME-$SIZE_T*16`($sp) |
| 689 | $PUSH r17,`$FRAME-$SIZE_T*15`($sp) |
| 690 | $PUSH r18,`$FRAME-$SIZE_T*14`($sp) |
| 691 | $PUSH r19,`$FRAME-$SIZE_T*13`($sp) |
| 692 | $PUSH r20,`$FRAME-$SIZE_T*12`($sp) |
| 693 | $PUSH r21,`$FRAME-$SIZE_T*11`($sp) |
| 694 | $PUSH r22,`$FRAME-$SIZE_T*10`($sp) |
| 695 | $PUSH r23,`$FRAME-$SIZE_T*9`($sp) |
| 696 | $PUSH r24,`$FRAME-$SIZE_T*8`($sp) |
| 697 | $PUSH r25,`$FRAME-$SIZE_T*7`($sp) |
| 698 | $PUSH r26,`$FRAME-$SIZE_T*6`($sp) |
| 699 | $PUSH r27,`$FRAME-$SIZE_T*5`($sp) |
| 700 | $PUSH r28,`$FRAME-$SIZE_T*4`($sp) |
| 701 | $PUSH r29,`$FRAME-$SIZE_T*3`($sp) |
| 702 | $PUSH r30,`$FRAME-$SIZE_T*2`($sp) |
| 703 | $PUSH r31,`$FRAME-$SIZE_T*1`($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 704 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 705 | lwz $s0,0($inp) |
| 706 | lwz $s1,4($inp) |
| 707 | lwz $s2,8($inp) |
| 708 | lwz $s3,12($inp) |
| 709 | bl LAES_Td |
| 710 | bl Lppc_AES_decrypt_compact |
| 711 | stw $s0,0($out) |
| 712 | stw $s1,4($out) |
| 713 | stw $s2,8($out) |
| 714 | stw $s3,12($out) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 715 | |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 716 | $POP r0,`$FRAME-$SIZE_T*21`($sp) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 717 | $POP $toc,`$FRAME-$SIZE_T*20`($sp) |
| 718 | $POP r13,`$FRAME-$SIZE_T*19`($sp) |
| 719 | $POP r14,`$FRAME-$SIZE_T*18`($sp) |
| 720 | $POP r15,`$FRAME-$SIZE_T*17`($sp) |
| 721 | $POP r16,`$FRAME-$SIZE_T*16`($sp) |
| 722 | $POP r17,`$FRAME-$SIZE_T*15`($sp) |
| 723 | $POP r18,`$FRAME-$SIZE_T*14`($sp) |
| 724 | $POP r19,`$FRAME-$SIZE_T*13`($sp) |
| 725 | $POP r20,`$FRAME-$SIZE_T*12`($sp) |
| 726 | $POP r21,`$FRAME-$SIZE_T*11`($sp) |
| 727 | $POP r22,`$FRAME-$SIZE_T*10`($sp) |
| 728 | $POP r23,`$FRAME-$SIZE_T*9`($sp) |
| 729 | $POP r24,`$FRAME-$SIZE_T*8`($sp) |
| 730 | $POP r25,`$FRAME-$SIZE_T*7`($sp) |
| 731 | $POP r26,`$FRAME-$SIZE_T*6`($sp) |
| 732 | $POP r27,`$FRAME-$SIZE_T*5`($sp) |
| 733 | $POP r28,`$FRAME-$SIZE_T*4`($sp) |
| 734 | $POP r29,`$FRAME-$SIZE_T*3`($sp) |
| 735 | $POP r30,`$FRAME-$SIZE_T*2`($sp) |
| 736 | $POP r31,`$FRAME-$SIZE_T*1`($sp) |
| 737 | mtlr r0 |
| 738 | addi $sp,$sp,$FRAME |
| 739 | blr |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 740 | |
| 741 | .align 5 |
| 742 | Lppc_AES_decrypt: |
| 743 | lwz $acc00,240($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 744 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 745 | lwz $t1,4($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 746 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 747 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 748 | addi $Tbl1,$Tbl0,3 |
| 749 | addi $Tbl2,$Tbl0,2 |
| 750 | addi $Tbl3,$Tbl0,1 |
| 751 | addi $acc00,$acc00,-1 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 752 | addi $key,$key,16 |
| 753 | xor $s0,$s0,$t0 |
| 754 | xor $s1,$s1,$t1 |
| 755 | xor $s2,$s2,$t2 |
| 756 | xor $s3,$s3,$t3 |
| 757 | mtctr $acc00 |
| 758 | .align 4 |
| 759 | Ldec_loop: |
| 760 | rlwinm $acc00,$s0,`32-24+3`,21,28 |
| 761 | rlwinm $acc01,$s1,`32-24+3`,21,28 |
| 762 | rlwinm $acc02,$s2,`32-24+3`,21,28 |
| 763 | rlwinm $acc03,$s3,`32-24+3`,21,28 |
| 764 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 765 | lwz $t1,4($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 766 | rlwinm $acc04,$s3,`32-16+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 767 | rlwinm $acc05,$s0,`32-16+3`,21,28 |
| 768 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 769 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 770 | rlwinm $acc06,$s1,`32-16+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 771 | rlwinm $acc07,$s2,`32-16+3`,21,28 |
| 772 | lwzx $acc00,$Tbl0,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 773 | lwzx $acc01,$Tbl0,$acc01 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 774 | rlwinm $acc08,$s2,`32-8+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 775 | rlwinm $acc09,$s3,`32-8+3`,21,28 |
| 776 | lwzx $acc02,$Tbl0,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 777 | lwzx $acc03,$Tbl0,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 778 | rlwinm $acc10,$s0,`32-8+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 779 | rlwinm $acc11,$s1,`32-8+3`,21,28 |
| 780 | lwzx $acc04,$Tbl1,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 781 | lwzx $acc05,$Tbl1,$acc05 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 782 | rlwinm $acc12,$s1,`0+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 783 | rlwinm $acc13,$s2,`0+3`,21,28 |
| 784 | lwzx $acc06,$Tbl1,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 785 | lwzx $acc07,$Tbl1,$acc07 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 786 | rlwinm $acc14,$s3,`0+3`,21,28 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 787 | rlwinm $acc15,$s0,`0+3`,21,28 |
| 788 | lwzx $acc08,$Tbl2,$acc08 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 789 | lwzx $acc09,$Tbl2,$acc09 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 790 | xor $t0,$t0,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 791 | xor $t1,$t1,$acc01 |
| 792 | lwzx $acc10,$Tbl2,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 793 | lwzx $acc11,$Tbl2,$acc11 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 794 | xor $t2,$t2,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 795 | xor $t3,$t3,$acc03 |
| 796 | lwzx $acc12,$Tbl3,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 797 | lwzx $acc13,$Tbl3,$acc13 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 798 | xor $t0,$t0,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 799 | xor $t1,$t1,$acc05 |
| 800 | lwzx $acc14,$Tbl3,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 801 | lwzx $acc15,$Tbl3,$acc15 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 802 | xor $t2,$t2,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 803 | xor $t3,$t3,$acc07 |
| 804 | xor $t0,$t0,$acc08 |
| 805 | xor $t1,$t1,$acc09 |
| 806 | xor $t2,$t2,$acc10 |
| 807 | xor $t3,$t3,$acc11 |
| 808 | xor $s0,$t0,$acc12 |
| 809 | xor $s1,$t1,$acc13 |
| 810 | xor $s2,$t2,$acc14 |
| 811 | xor $s3,$t3,$acc15 |
| 812 | addi $key,$key,16 |
| 813 | bdnz- Ldec_loop |
| 814 | |
| 815 | addi $Tbl2,$Tbl0,2048 |
| 816 | nop |
| 817 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 818 | lwz $t1,4($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 819 | rlwinm $acc00,$s0,`32-24`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 820 | rlwinm $acc01,$s1,`32-24`,24,31 |
| 821 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 822 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 823 | rlwinm $acc02,$s2,`32-24`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 824 | rlwinm $acc03,$s3,`32-24`,24,31 |
| 825 | lwz $acc08,`2048+0`($Tbl0) ! prefetch Td4 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 826 | lwz $acc09,`2048+32`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 827 | rlwinm $acc04,$s3,`32-16`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 828 | rlwinm $acc05,$s0,`32-16`,24,31 |
| 829 | lwz $acc10,`2048+64`($Tbl0) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 830 | lwz $acc11,`2048+96`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 831 | lbzx $acc00,$Tbl2,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 832 | lbzx $acc01,$Tbl2,$acc01 |
| 833 | lwz $acc12,`2048+128`($Tbl0) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 834 | lwz $acc13,`2048+160`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 835 | rlwinm $acc06,$s1,`32-16`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 836 | rlwinm $acc07,$s2,`32-16`,24,31 |
| 837 | lwz $acc14,`2048+192`($Tbl0) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 838 | lwz $acc15,`2048+224`($Tbl0) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 839 | rlwinm $acc08,$s2,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 840 | rlwinm $acc09,$s3,`32-8`,24,31 |
| 841 | lbzx $acc02,$Tbl2,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 842 | lbzx $acc03,$Tbl2,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 843 | rlwinm $acc10,$s0,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 844 | rlwinm $acc11,$s1,`32-8`,24,31 |
| 845 | lbzx $acc04,$Tbl2,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 846 | lbzx $acc05,$Tbl2,$acc05 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 847 | rlwinm $acc12,$s1,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 848 | rlwinm $acc13,$s2,`0`,24,31 |
| 849 | lbzx $acc06,$Tbl2,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 850 | lbzx $acc07,$Tbl2,$acc07 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 851 | rlwinm $acc14,$s3,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 852 | rlwinm $acc15,$s0,`0`,24,31 |
| 853 | lbzx $acc08,$Tbl2,$acc08 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 854 | lbzx $acc09,$Tbl2,$acc09 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 855 | rlwinm $s0,$acc00,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 856 | rlwinm $s1,$acc01,24,0,7 |
| 857 | lbzx $acc10,$Tbl2,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 858 | lbzx $acc11,$Tbl2,$acc11 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 859 | rlwinm $s2,$acc02,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 860 | rlwinm $s3,$acc03,24,0,7 |
| 861 | lbzx $acc12,$Tbl2,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 862 | lbzx $acc13,$Tbl2,$acc13 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 863 | rlwimi $s0,$acc04,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 864 | rlwimi $s1,$acc05,16,8,15 |
| 865 | lbzx $acc14,$Tbl2,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 866 | lbzx $acc15,$Tbl2,$acc15 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 867 | rlwimi $s2,$acc06,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 868 | rlwimi $s3,$acc07,16,8,15 |
| 869 | rlwimi $s0,$acc08,8,16,23 |
| 870 | rlwimi $s1,$acc09,8,16,23 |
| 871 | rlwimi $s2,$acc10,8,16,23 |
| 872 | rlwimi $s3,$acc11,8,16,23 |
| 873 | or $s0,$s0,$acc12 |
| 874 | or $s1,$s1,$acc13 |
| 875 | or $s2,$s2,$acc14 |
| 876 | or $s3,$s3,$acc15 |
| 877 | xor $s0,$s0,$t0 |
| 878 | xor $s1,$s1,$t1 |
| 879 | xor $s2,$s2,$t2 |
| 880 | xor $s3,$s3,$t3 |
| 881 | blr |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 882 | |
| 883 | .align 4 |
| 884 | Lppc_AES_decrypt_compact: |
| 885 | lwz $acc00,240($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 886 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 887 | lwz $t1,4($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 888 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 889 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 890 | addi $Tbl1,$Tbl0,2048 |
| 891 | lis $mask80,0x8080 |
| 892 | lis $mask1b,0x1b1b |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 893 | addi $key,$key,16 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 894 | ori $mask80,$mask80,0x8080 |
| 895 | ori $mask1b,$mask1b,0x1b1b |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 896 | ___ |
| 897 | $code.=<<___ if ($SIZE_T==8); |
| 898 | insrdi $mask80,$mask80,32,0 |
| 899 | insrdi $mask1b,$mask1b,32,0 |
| 900 | ___ |
| 901 | $code.=<<___; |
| 902 | mtctr $acc00 |
| 903 | .align 4 |
| 904 | Ldec_compact_loop: |
| 905 | xor $s0,$s0,$t0 |
| 906 | xor $s1,$s1,$t1 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 907 | xor $s2,$s2,$t2 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 908 | xor $s3,$s3,$t3 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 909 | rlwinm $acc00,$s0,`32-24`,24,31 |
| 910 | rlwinm $acc01,$s1,`32-24`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 911 | rlwinm $acc02,$s2,`32-24`,24,31 |
| 912 | rlwinm $acc03,$s3,`32-24`,24,31 |
| 913 | rlwinm $acc04,$s3,`32-16`,24,31 |
| 914 | rlwinm $acc05,$s0,`32-16`,24,31 |
| 915 | rlwinm $acc06,$s1,`32-16`,24,31 |
| 916 | rlwinm $acc07,$s2,`32-16`,24,31 |
| 917 | lbzx $acc00,$Tbl1,$acc00 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 918 | lbzx $acc01,$Tbl1,$acc01 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 919 | rlwinm $acc08,$s2,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 920 | rlwinm $acc09,$s3,`32-8`,24,31 |
| 921 | lbzx $acc02,$Tbl1,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 922 | lbzx $acc03,$Tbl1,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 923 | rlwinm $acc10,$s0,`32-8`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 924 | rlwinm $acc11,$s1,`32-8`,24,31 |
| 925 | lbzx $acc04,$Tbl1,$acc04 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 926 | lbzx $acc05,$Tbl1,$acc05 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 927 | rlwinm $acc12,$s1,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 928 | rlwinm $acc13,$s2,`0`,24,31 |
| 929 | lbzx $acc06,$Tbl1,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 930 | lbzx $acc07,$Tbl1,$acc07 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 931 | rlwinm $acc14,$s3,`0`,24,31 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 932 | rlwinm $acc15,$s0,`0`,24,31 |
| 933 | lbzx $acc08,$Tbl1,$acc08 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 934 | lbzx $acc09,$Tbl1,$acc09 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 935 | rlwinm $s0,$acc00,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 936 | rlwinm $s1,$acc01,24,0,7 |
| 937 | lbzx $acc10,$Tbl1,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 938 | lbzx $acc11,$Tbl1,$acc11 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 939 | rlwinm $s2,$acc02,24,0,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 940 | rlwinm $s3,$acc03,24,0,7 |
| 941 | lbzx $acc12,$Tbl1,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 942 | lbzx $acc13,$Tbl1,$acc13 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 943 | rlwimi $s0,$acc04,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 944 | rlwimi $s1,$acc05,16,8,15 |
| 945 | lbzx $acc14,$Tbl1,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 946 | lbzx $acc15,$Tbl1,$acc15 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 947 | rlwimi $s2,$acc06,16,8,15 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 948 | rlwimi $s3,$acc07,16,8,15 |
| 949 | rlwimi $s0,$acc08,8,16,23 |
| 950 | rlwimi $s1,$acc09,8,16,23 |
| 951 | rlwimi $s2,$acc10,8,16,23 |
| 952 | rlwimi $s3,$acc11,8,16,23 |
| 953 | lwz $t0,0($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 954 | lwz $t1,4($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 955 | or $s0,$s0,$acc12 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 956 | or $s1,$s1,$acc13 |
| 957 | lwz $t2,8($key) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 958 | lwz $t3,12($key) |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 959 | or $s2,$s2,$acc14 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 960 | or $s3,$s3,$acc15 |
| 961 | |
| 962 | addi $key,$key,16 |
| 963 | bdz Ldec_compact_done |
| 964 | ___ |
| 965 | $code.=<<___ if ($SIZE_T==8); |
| 966 | # vectorized permutation improves decrypt performance by 10% |
| 967 | insrdi $s0,$s1,32,0 |
| 968 | insrdi $s2,$s3,32,0 |
| 969 | |
| 970 | and $acc00,$s0,$mask80 # r1=r0&0x80808080 |
| 971 | and $acc02,$s2,$mask80 |
| 972 | srdi $acc04,$acc00,7 # r1>>7 |
| 973 | srdi $acc06,$acc02,7 |
| 974 | andc $acc08,$s0,$mask80 # r0&0x7f7f7f7f |
| 975 | andc $acc10,$s2,$mask80 |
| 976 | sub $acc00,$acc00,$acc04 # r1-(r1>>7) |
| 977 | sub $acc02,$acc02,$acc06 |
| 978 | add $acc08,$acc08,$acc08 # (r0&0x7f7f7f7f)<<1 |
| 979 | add $acc10,$acc10,$acc10 |
| 980 | and $acc00,$acc00,$mask1b # (r1-(r1>>7))&0x1b1b1b1b |
| 981 | and $acc02,$acc02,$mask1b |
| 982 | xor $acc00,$acc00,$acc08 # r2 |
| 983 | xor $acc02,$acc02,$acc10 |
| 984 | |
| 985 | and $acc04,$acc00,$mask80 # r1=r2&0x80808080 |
| 986 | and $acc06,$acc02,$mask80 |
| 987 | srdi $acc08,$acc04,7 # r1>>7 |
| 988 | srdi $acc10,$acc06,7 |
| 989 | andc $acc12,$acc00,$mask80 # r2&0x7f7f7f7f |
| 990 | andc $acc14,$acc02,$mask80 |
| 991 | sub $acc04,$acc04,$acc08 # r1-(r1>>7) |
| 992 | sub $acc06,$acc06,$acc10 |
| 993 | add $acc12,$acc12,$acc12 # (r2&0x7f7f7f7f)<<1 |
| 994 | add $acc14,$acc14,$acc14 |
| 995 | and $acc04,$acc04,$mask1b # (r1-(r1>>7))&0x1b1b1b1b |
| 996 | and $acc06,$acc06,$mask1b |
| 997 | xor $acc04,$acc04,$acc12 # r4 |
| 998 | xor $acc06,$acc06,$acc14 |
| 999 | |
| 1000 | and $acc08,$acc04,$mask80 # r1=r4&0x80808080 |
| 1001 | and $acc10,$acc06,$mask80 |
| 1002 | srdi $acc12,$acc08,7 # r1>>7 |
| 1003 | srdi $acc14,$acc10,7 |
| 1004 | sub $acc08,$acc08,$acc12 # r1-(r1>>7) |
| 1005 | sub $acc10,$acc10,$acc14 |
| 1006 | andc $acc12,$acc04,$mask80 # r4&0x7f7f7f7f |
| 1007 | andc $acc14,$acc06,$mask80 |
| 1008 | add $acc12,$acc12,$acc12 # (r4&0x7f7f7f7f)<<1 |
| 1009 | add $acc14,$acc14,$acc14 |
| 1010 | and $acc08,$acc08,$mask1b # (r1-(r1>>7))&0x1b1b1b1b |
| 1011 | and $acc10,$acc10,$mask1b |
| 1012 | xor $acc08,$acc08,$acc12 # r8 |
| 1013 | xor $acc10,$acc10,$acc14 |
| 1014 | |
| 1015 | xor $acc00,$acc00,$s0 # r2^r0 |
| 1016 | xor $acc02,$acc02,$s2 |
| 1017 | xor $acc04,$acc04,$s0 # r4^r0 |
| 1018 | xor $acc06,$acc06,$s2 |
| 1019 | |
| 1020 | extrdi $acc01,$acc00,32,0 |
| 1021 | extrdi $acc03,$acc02,32,0 |
| 1022 | extrdi $acc05,$acc04,32,0 |
| 1023 | extrdi $acc07,$acc06,32,0 |
| 1024 | extrdi $acc09,$acc08,32,0 |
| 1025 | extrdi $acc11,$acc10,32,0 |
| 1026 | ___ |
| 1027 | $code.=<<___ if ($SIZE_T==4); |
| 1028 | and $acc00,$s0,$mask80 # r1=r0&0x80808080 |
| 1029 | and $acc01,$s1,$mask80 |
| 1030 | and $acc02,$s2,$mask80 |
| 1031 | and $acc03,$s3,$mask80 |
| 1032 | srwi $acc04,$acc00,7 # r1>>7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1033 | srwi $acc05,$acc01,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1034 | srwi $acc06,$acc02,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1035 | srwi $acc07,$acc03,7 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1036 | andc $acc08,$s0,$mask80 # r0&0x7f7f7f7f |
| 1037 | andc $acc09,$s1,$mask80 |
| 1038 | andc $acc10,$s2,$mask80 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1039 | andc $acc11,$s3,$mask80 |
| 1040 | sub $acc00,$acc00,$acc04 # r1-(r1>>7) |
| 1041 | sub $acc01,$acc01,$acc05 |
| 1042 | sub $acc02,$acc02,$acc06 |
| 1043 | sub $acc03,$acc03,$acc07 |
| 1044 | add $acc08,$acc08,$acc08 # (r0&0x7f7f7f7f)<<1 |
| 1045 | add $acc09,$acc09,$acc09 |
| 1046 | add $acc10,$acc10,$acc10 |
| 1047 | add $acc11,$acc11,$acc11 |
| 1048 | and $acc00,$acc00,$mask1b # (r1-(r1>>7))&0x1b1b1b1b |
| 1049 | and $acc01,$acc01,$mask1b |
| 1050 | and $acc02,$acc02,$mask1b |
| 1051 | and $acc03,$acc03,$mask1b |
| 1052 | xor $acc00,$acc00,$acc08 # r2 |
| 1053 | xor $acc01,$acc01,$acc09 |
| 1054 | xor $acc02,$acc02,$acc10 |
| 1055 | xor $acc03,$acc03,$acc11 |
| 1056 | |
| 1057 | and $acc04,$acc00,$mask80 # r1=r2&0x80808080 |
| 1058 | and $acc05,$acc01,$mask80 |
| 1059 | and $acc06,$acc02,$mask80 |
| 1060 | and $acc07,$acc03,$mask80 |
| 1061 | srwi $acc08,$acc04,7 # r1>>7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1062 | srwi $acc09,$acc05,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1063 | srwi $acc10,$acc06,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1064 | srwi $acc11,$acc07,7 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1065 | andc $acc12,$acc00,$mask80 # r2&0x7f7f7f7f |
| 1066 | andc $acc13,$acc01,$mask80 |
| 1067 | andc $acc14,$acc02,$mask80 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1068 | andc $acc15,$acc03,$mask80 |
| 1069 | sub $acc04,$acc04,$acc08 # r1-(r1>>7) |
| 1070 | sub $acc05,$acc05,$acc09 |
| 1071 | sub $acc06,$acc06,$acc10 |
| 1072 | sub $acc07,$acc07,$acc11 |
| 1073 | add $acc12,$acc12,$acc12 # (r2&0x7f7f7f7f)<<1 |
| 1074 | add $acc13,$acc13,$acc13 |
| 1075 | add $acc14,$acc14,$acc14 |
| 1076 | add $acc15,$acc15,$acc15 |
| 1077 | and $acc04,$acc04,$mask1b # (r1-(r1>>7))&0x1b1b1b1b |
| 1078 | and $acc05,$acc05,$mask1b |
| 1079 | and $acc06,$acc06,$mask1b |
| 1080 | and $acc07,$acc07,$mask1b |
| 1081 | xor $acc04,$acc04,$acc12 # r4 |
| 1082 | xor $acc05,$acc05,$acc13 |
| 1083 | xor $acc06,$acc06,$acc14 |
| 1084 | xor $acc07,$acc07,$acc15 |
| 1085 | |
| 1086 | and $acc08,$acc04,$mask80 # r1=r4&0x80808080 |
| 1087 | and $acc09,$acc05,$mask80 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1088 | and $acc10,$acc06,$mask80 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1089 | and $acc11,$acc07,$mask80 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1090 | srwi $acc12,$acc08,7 # r1>>7 |
| 1091 | srwi $acc13,$acc09,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1092 | srwi $acc14,$acc10,7 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1093 | srwi $acc15,$acc11,7 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1094 | sub $acc08,$acc08,$acc12 # r1-(r1>>7) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1095 | sub $acc09,$acc09,$acc13 |
| 1096 | sub $acc10,$acc10,$acc14 |
| 1097 | sub $acc11,$acc11,$acc15 |
| 1098 | andc $acc12,$acc04,$mask80 # r4&0x7f7f7f7f |
| 1099 | andc $acc13,$acc05,$mask80 |
| 1100 | andc $acc14,$acc06,$mask80 |
| 1101 | andc $acc15,$acc07,$mask80 |
| 1102 | add $acc12,$acc12,$acc12 # (r4&0x7f7f7f7f)<<1 |
| 1103 | add $acc13,$acc13,$acc13 |
| 1104 | add $acc14,$acc14,$acc14 |
| 1105 | add $acc15,$acc15,$acc15 |
| 1106 | and $acc08,$acc08,$mask1b # (r1-(r1>>7))&0x1b1b1b1b |
| 1107 | and $acc09,$acc09,$mask1b |
| 1108 | and $acc10,$acc10,$mask1b |
| 1109 | and $acc11,$acc11,$mask1b |
| 1110 | xor $acc08,$acc08,$acc12 # r8 |
| 1111 | xor $acc09,$acc09,$acc13 |
| 1112 | xor $acc10,$acc10,$acc14 |
| 1113 | xor $acc11,$acc11,$acc15 |
| 1114 | |
| 1115 | xor $acc00,$acc00,$s0 # r2^r0 |
| 1116 | xor $acc01,$acc01,$s1 |
| 1117 | xor $acc02,$acc02,$s2 |
| 1118 | xor $acc03,$acc03,$s3 |
| 1119 | xor $acc04,$acc04,$s0 # r4^r0 |
| 1120 | xor $acc05,$acc05,$s1 |
| 1121 | xor $acc06,$acc06,$s2 |
| 1122 | xor $acc07,$acc07,$s3 |
| 1123 | ___ |
| 1124 | $code.=<<___; |
| 1125 | rotrwi $s0,$s0,8 # = ROTATE(r0,8) |
| 1126 | rotrwi $s1,$s1,8 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1127 | rotrwi $s2,$s2,8 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1128 | rotrwi $s3,$s3,8 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1129 | xor $s0,$s0,$acc00 # ^= r2^r0 |
| 1130 | xor $s1,$s1,$acc01 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1131 | xor $s2,$s2,$acc02 |
| 1132 | xor $s3,$s3,$acc03 |
| 1133 | xor $acc00,$acc00,$acc08 |
| 1134 | xor $acc01,$acc01,$acc09 |
| 1135 | xor $acc02,$acc02,$acc10 |
| 1136 | xor $acc03,$acc03,$acc11 |
| 1137 | xor $s0,$s0,$acc04 # ^= r4^r0 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1138 | xor $s1,$s1,$acc05 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1139 | xor $s2,$s2,$acc06 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1140 | xor $s3,$s3,$acc07 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1141 | rotrwi $acc00,$acc00,24 |
| 1142 | rotrwi $acc01,$acc01,24 |
| 1143 | rotrwi $acc02,$acc02,24 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1144 | rotrwi $acc03,$acc03,24 |
| 1145 | xor $acc04,$acc04,$acc08 |
| 1146 | xor $acc05,$acc05,$acc09 |
| 1147 | xor $acc06,$acc06,$acc10 |
| 1148 | xor $acc07,$acc07,$acc11 |
| 1149 | xor $s0,$s0,$acc08 # ^= r8 [^((r4^r0)^(r2^r0)=r4^r2)] |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1150 | xor $s1,$s1,$acc09 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1151 | xor $s2,$s2,$acc10 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1152 | xor $s3,$s3,$acc11 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1153 | rotrwi $acc04,$acc04,16 |
| 1154 | rotrwi $acc05,$acc05,16 |
| 1155 | rotrwi $acc06,$acc06,16 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1156 | rotrwi $acc07,$acc07,16 |
| 1157 | xor $s0,$s0,$acc00 # ^= ROTATE(r8^r2^r0,24) |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1158 | xor $s1,$s1,$acc01 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1159 | xor $s2,$s2,$acc02 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1160 | xor $s3,$s3,$acc03 |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1161 | rotrwi $acc08,$acc08,8 |
| 1162 | rotrwi $acc09,$acc09,8 |
| 1163 | rotrwi $acc10,$acc10,8 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1164 | rotrwi $acc11,$acc11,8 |
| 1165 | xor $s0,$s0,$acc04 # ^= ROTATE(r8^r4^r0,16) |
| 1166 | xor $s1,$s1,$acc05 |
| 1167 | xor $s2,$s2,$acc06 |
| 1168 | xor $s3,$s3,$acc07 |
| 1169 | xor $s0,$s0,$acc08 # ^= ROTATE(r8,8) |
| 1170 | xor $s1,$s1,$acc09 |
| 1171 | xor $s2,$s2,$acc10 |
| 1172 | xor $s3,$s3,$acc11 |
| 1173 | |
| 1174 | b Ldec_compact_loop |
| 1175 | .align 4 |
| 1176 | Ldec_compact_done: |
| 1177 | xor $s0,$s0,$t0 |
| 1178 | xor $s1,$s1,$t1 |
| 1179 | xor $s2,$s2,$t2 |
| 1180 | xor $s3,$s3,$t3 |
| 1181 | blr |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 1182 | .long 0 |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1183 | .asciz "AES for PPC, CRYPTOGAMS by <appro\@openssl.org>" |
| 1184 | .align 7 |
| 1185 | ___ |
| 1186 | |
| 1187 | $code =~ s/\`([^\`]*)\`/eval $1/gem; |
| 1188 | print $code; |
| 1189 | close STDOUT; |