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| author | David S. Miller <davem@davemloft.net> | 2012-08-29 17:49:23 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-08-29 17:49:23 -0400 |
| commit | 9fd130ecbe97f3440d14d3d0c6660413e69ac532 (patch) | |
| tree | 4f9c108e6a4c305e61e4d7d7044af6822741a15e /arch/sparc/crypto/aes_asm.S | |
| parent | 0bdcaf7495726688a93a2f7226e9b4beaeabd2ec (diff) | |
sparc64: Add ctr mode support to AES driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/crypto/aes_asm.S')
| -rw-r--r-- | arch/sparc/crypto/aes_asm.S | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/arch/sparc/crypto/aes_asm.S b/arch/sparc/crypto/aes_asm.S index 50faae03c592..7a975d689919 100644 --- a/arch/sparc/crypto/aes_asm.S +++ b/arch/sparc/crypto/aes_asm.S | |||
| @@ -44,6 +44,8 @@ | |||
| 44 | .word 0x85b02307; | 44 | .word 0x85b02307; |
| 45 | #define MOVXTOD_O0_F0 \ | 45 | #define MOVXTOD_O0_F0 \ |
| 46 | .word 0x81b02308; | 46 | .word 0x81b02308; |
| 47 | #define MOVXTOD_O5_F0 \ | ||
| 48 | .word 0x81b0230d; | ||
| 47 | #define MOVXTOD_O5_F2 \ | 49 | #define MOVXTOD_O5_F2 \ |
| 48 | .word 0x85b0230d; | 50 | .word 0x85b0230d; |
| 49 | 51 | ||
| @@ -1137,3 +1139,96 @@ ENTRY(aes_sparc64_cbc_decrypt_256) | |||
| 1137 | retl | 1139 | retl |
| 1138 | nop | 1140 | nop |
| 1139 | ENDPROC(aes_sparc64_cbc_decrypt_256) | 1141 | ENDPROC(aes_sparc64_cbc_decrypt_256) |
| 1142 | |||
| 1143 | .align 32 | ||
| 1144 | ENTRY(aes_sparc64_ctr_crypt_128) | ||
| 1145 | /* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */ | ||
| 1146 | ldx [%o4 + 0x00], %g3 | ||
| 1147 | ldx [%o4 + 0x08], %g7 | ||
| 1148 | ldx [%o0 + 0x00], %g1 | ||
| 1149 | ldx [%o0 + 0x08], %g2 | ||
| 1150 | 1: xor %g1, %g3, %o5 | ||
| 1151 | MOVXTOD_O5_F0 | ||
| 1152 | xor %g2, %g7, %o5 | ||
| 1153 | MOVXTOD_O5_F2 | ||
| 1154 | add %g7, 1, %g7 | ||
| 1155 | add %g3, 1, %o5 | ||
| 1156 | movrz %g7, %o5, %g3 | ||
| 1157 | ENCRYPT_128(8, 0, 2, 4, 6) | ||
| 1158 | ldd [%o1 + 0x00], %f4 | ||
| 1159 | ldd [%o1 + 0x08], %f6 | ||
| 1160 | fxor %f4, %f0, %f4 | ||
| 1161 | fxor %f6, %f2, %f6 | ||
| 1162 | std %f4, [%o2 + 0x00] | ||
| 1163 | std %f6, [%o2 + 0x08] | ||
| 1164 | subcc %o3, 0x10, %o3 | ||
| 1165 | add %o1, 0x10, %o1 | ||
| 1166 | bne,pt %xcc, 1b | ||
| 1167 | add %o2, 0x10, %o2 | ||
| 1168 | stx %g3, [%o4 + 0x00] | ||
| 1169 | stx %g7, [%o4 + 0x08] | ||
| 1170 | retl | ||
| 1171 | nop | ||
| 1172 | ENDPROC(aes_sparc64_ctr_crypt_128) | ||
| 1173 | |||
| 1174 | .align 32 | ||
| 1175 | ENTRY(aes_sparc64_ctr_crypt_192) | ||
| 1176 | /* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */ | ||
| 1177 | ldx [%o4 + 0x00], %g3 | ||
| 1178 | ldx [%o4 + 0x08], %g7 | ||
| 1179 | ldx [%o0 + 0x00], %g1 | ||
| 1180 | ldx [%o0 + 0x08], %g2 | ||
| 1181 | 1: xor %g1, %g3, %o5 | ||
| 1182 | MOVXTOD_O5_F0 | ||
| 1183 | xor %g2, %g7, %o5 | ||
| 1184 | MOVXTOD_O5_F2 | ||
| 1185 | add %g7, 1, %g7 | ||
| 1186 | add %g3, 1, %o5 | ||
| 1187 | movrz %g7, %o5, %g3 | ||
| 1188 | ENCRYPT_192(8, 0, 2, 4, 6) | ||
| 1189 | ldd [%o1 + 0x00], %f4 | ||
| 1190 | ldd [%o1 + 0x08], %f6 | ||
| 1191 | fxor %f4, %f0, %f4 | ||
| 1192 | fxor %f6, %f2, %f6 | ||
| 1193 | std %f4, [%o2 + 0x00] | ||
| 1194 | std %f6, [%o2 + 0x08] | ||
| 1195 | subcc %o3, 0x10, %o3 | ||
| 1196 | add %o1, 0x10, %o1 | ||
| 1197 | bne,pt %xcc, 1b | ||
| 1198 | add %o2, 0x10, %o2 | ||
| 1199 | stx %g3, [%o4 + 0x00] | ||
| 1200 | stx %g7, [%o4 + 0x08] | ||
| 1201 | retl | ||
| 1202 | nop | ||
| 1203 | ENDPROC(aes_sparc64_ctr_crypt_192) | ||
| 1204 | |||
| 1205 | .align 32 | ||
| 1206 | ENTRY(aes_sparc64_ctr_crypt_256) | ||
| 1207 | /* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */ | ||
| 1208 | ldx [%o4 + 0x00], %g3 | ||
| 1209 | ldx [%o4 + 0x08], %g7 | ||
| 1210 | ldx [%o0 + 0x00], %g1 | ||
| 1211 | ldx [%o0 + 0x08], %g2 | ||
| 1212 | 1: xor %g1, %g3, %o5 | ||
| 1213 | MOVXTOD_O5_F0 | ||
| 1214 | xor %g2, %g7, %o5 | ||
| 1215 | MOVXTOD_O5_F2 | ||
| 1216 | add %g7, 1, %g7 | ||
| 1217 | add %g3, 1, %o5 | ||
| 1218 | movrz %g7, %o5, %g3 | ||
| 1219 | ENCRYPT_256(8, 0, 2, 4, 6) | ||
| 1220 | ldd [%o1 + 0x00], %f4 | ||
| 1221 | ldd [%o1 + 0x08], %f6 | ||
| 1222 | fxor %f4, %f0, %f4 | ||
| 1223 | fxor %f6, %f2, %f6 | ||
| 1224 | std %f4, [%o2 + 0x00] | ||
| 1225 | std %f6, [%o2 + 0x08] | ||
| 1226 | subcc %o3, 0x10, %o3 | ||
| 1227 | add %o1, 0x10, %o1 | ||
| 1228 | bne,pt %xcc, 1b | ||
| 1229 | add %o2, 0x10, %o2 | ||
| 1230 | stx %g3, [%o4 + 0x00] | ||
| 1231 | stx %g7, [%o4 + 0x08] | ||
| 1232 | retl | ||
| 1233 | nop | ||
| 1234 | ENDPROC(aes_sparc64_ctr_crypt_256) | ||