diff options
Diffstat (limited to 'openssl/crypto/aes/asm/aes-ppc.pl')
| -rw-r--r-- | openssl/crypto/aes/asm/aes-ppc.pl | 113 |
1 files changed, 100 insertions, 13 deletions
diff --git a/openssl/crypto/aes/asm/aes-ppc.pl b/openssl/crypto/aes/asm/aes-ppc.pl index 7c52cbe5f..7a99fc3d0 100644 --- a/openssl/crypto/aes/asm/aes-ppc.pl +++ b/openssl/crypto/aes/asm/aes-ppc.pl @@ -45,6 +45,8 @@ if ($flavour =~ /64/) { $PUSH ="stw"; } else { die "nonsense $flavour"; } +$LITTLE_ENDIAN = ($flavour=~/le$/) ? $SIZE_T : 0; + $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or ( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or @@ -68,7 +70,7 @@ $key="r5"; $Tbl0="r3"; $Tbl1="r6"; $Tbl2="r7"; -$Tbl3="r2"; +$Tbl3=$out; # stay away from "r2"; $out is offloaded to stack $s0="r8"; $s1="r9"; @@ -76,7 +78,7 @@ $s2="r10"; $s3="r11"; $t0="r12"; -$t1="r13"; +$t1="r0"; # stay away from "r13"; $t2="r14"; $t3="r15"; @@ -100,9 +102,6 @@ $acc13="r29"; $acc14="r30"; $acc15="r31"; -# stay away from TLS pointer -if ($SIZE_T==8) { die if ($t1 ne "r13"); $t1="r0"; } -else { die if ($Tbl3 ne "r2"); $Tbl3=$t0; $t0="r0"; } $mask80=$Tbl2; $mask1b=$Tbl3; @@ -337,8 +336,7 @@ $code.=<<___; $STU $sp,-$FRAME($sp) mflr r0 - $PUSH $toc,`$FRAME-$SIZE_T*20`($sp) - $PUSH r13,`$FRAME-$SIZE_T*19`($sp) + $PUSH $out,`$FRAME-$SIZE_T*19`($sp) $PUSH r14,`$FRAME-$SIZE_T*18`($sp) $PUSH r15,`$FRAME-$SIZE_T*17`($sp) $PUSH r16,`$FRAME-$SIZE_T*16`($sp) @@ -365,16 +363,61 @@ $code.=<<___; bne Lenc_unaligned Lenc_unaligned_ok: +___ +$code.=<<___ if (!$LITTLE_ENDIAN); lwz $s0,0($inp) lwz $s1,4($inp) lwz $s2,8($inp) lwz $s3,12($inp) +___ +$code.=<<___ if ($LITTLE_ENDIAN); + lwz $t0,0($inp) + lwz $t1,4($inp) + lwz $t2,8($inp) + lwz $t3,12($inp) + rotlwi $s0,$t0,8 + rotlwi $s1,$t1,8 + rotlwi $s2,$t2,8 + rotlwi $s3,$t3,8 + rlwimi $s0,$t0,24,0,7 + rlwimi $s1,$t1,24,0,7 + rlwimi $s2,$t2,24,0,7 + rlwimi $s3,$t3,24,0,7 + rlwimi $s0,$t0,24,16,23 + rlwimi $s1,$t1,24,16,23 + rlwimi $s2,$t2,24,16,23 + rlwimi $s3,$t3,24,16,23 +___ +$code.=<<___; bl LAES_Te bl Lppc_AES_encrypt_compact + $POP $out,`$FRAME-$SIZE_T*19`($sp) +___ +$code.=<<___ if ($LITTLE_ENDIAN); + rotlwi $t0,$s0,8 + rotlwi $t1,$s1,8 + rotlwi $t2,$s2,8 + rotlwi $t3,$s3,8 + rlwimi $t0,$s0,24,0,7 + rlwimi $t1,$s1,24,0,7 + rlwimi $t2,$s2,24,0,7 + rlwimi $t3,$s3,24,0,7 + rlwimi $t0,$s0,24,16,23 + rlwimi $t1,$s1,24,16,23 + rlwimi $t2,$s2,24,16,23 + rlwimi $t3,$s3,24,16,23 + stw $t0,0($out) + stw $t1,4($out) + stw $t2,8($out) + stw $t3,12($out) +___ +$code.=<<___ if (!$LITTLE_ENDIAN); stw $s0,0($out) stw $s1,4($out) stw $s2,8($out) stw $s3,12($out) +___ +$code.=<<___; b Lenc_done Lenc_unaligned: @@ -417,6 +460,7 @@ Lenc_xpage: bl LAES_Te bl Lppc_AES_encrypt_compact + $POP $out,`$FRAME-$SIZE_T*19`($sp) extrwi $acc00,$s0,8,0 extrwi $acc01,$s0,8,8 @@ -449,8 +493,6 @@ Lenc_xpage: Lenc_done: $POP r0,`$FRAME+$LRSAVE`($sp) - $POP $toc,`$FRAME-$SIZE_T*20`($sp) - $POP r13,`$FRAME-$SIZE_T*19`($sp) $POP r14,`$FRAME-$SIZE_T*18`($sp) $POP r15,`$FRAME-$SIZE_T*17`($sp) $POP r16,`$FRAME-$SIZE_T*16`($sp) @@ -764,6 +806,7 @@ Lenc_compact_done: blr .long 0 .byte 0,12,0x14,0,0,0,0,0 +.size .AES_encrypt,.-.AES_encrypt .globl .AES_decrypt .align 7 @@ -771,8 +814,7 @@ Lenc_compact_done: $STU $sp,-$FRAME($sp) mflr r0 - $PUSH $toc,`$FRAME-$SIZE_T*20`($sp) - $PUSH r13,`$FRAME-$SIZE_T*19`($sp) + $PUSH $out,`$FRAME-$SIZE_T*19`($sp) $PUSH r14,`$FRAME-$SIZE_T*18`($sp) $PUSH r15,`$FRAME-$SIZE_T*17`($sp) $PUSH r16,`$FRAME-$SIZE_T*16`($sp) @@ -799,16 +841,61 @@ Lenc_compact_done: bne Ldec_unaligned Ldec_unaligned_ok: +___ +$code.=<<___ if (!$LITTLE_ENDIAN); lwz $s0,0($inp) lwz $s1,4($inp) lwz $s2,8($inp) lwz $s3,12($inp) +___ +$code.=<<___ if ($LITTLE_ENDIAN); + lwz $t0,0($inp) + lwz $t1,4($inp) + lwz $t2,8($inp) + lwz $t3,12($inp) + rotlwi $s0,$t0,8 + rotlwi $s1,$t1,8 + rotlwi $s2,$t2,8 + rotlwi $s3,$t3,8 + rlwimi $s0,$t0,24,0,7 + rlwimi $s1,$t1,24,0,7 + rlwimi $s2,$t2,24,0,7 + rlwimi $s3,$t3,24,0,7 + rlwimi $s0,$t0,24,16,23 + rlwimi $s1,$t1,24,16,23 + rlwimi $s2,$t2,24,16,23 + rlwimi $s3,$t3,24,16,23 +___ +$code.=<<___; bl LAES_Td bl Lppc_AES_decrypt_compact + $POP $out,`$FRAME-$SIZE_T*19`($sp) +___ +$code.=<<___ if ($LITTLE_ENDIAN); + rotlwi $t0,$s0,8 + rotlwi $t1,$s1,8 + rotlwi $t2,$s2,8 + rotlwi $t3,$s3,8 + rlwimi $t0,$s0,24,0,7 + rlwimi $t1,$s1,24,0,7 + rlwimi $t2,$s2,24,0,7 + rlwimi $t3,$s3,24,0,7 + rlwimi $t0,$s0,24,16,23 + rlwimi $t1,$s1,24,16,23 + rlwimi $t2,$s2,24,16,23 + rlwimi $t3,$s3,24,16,23 + stw $t0,0($out) + stw $t1,4($out) + stw $t2,8($out) + stw $t3,12($out) +___ +$code.=<<___ if (!$LITTLE_ENDIAN); stw $s0,0($out) stw $s1,4($out) stw $s2,8($out) stw $s3,12($out) +___ +$code.=<<___; b Ldec_done Ldec_unaligned: @@ -851,6 +938,7 @@ Ldec_xpage: bl LAES_Td bl Lppc_AES_decrypt_compact + $POP $out,`$FRAME-$SIZE_T*19`($sp) extrwi $acc00,$s0,8,0 extrwi $acc01,$s0,8,8 @@ -883,8 +971,6 @@ Ldec_xpage: Ldec_done: $POP r0,`$FRAME+$LRSAVE`($sp) - $POP $toc,`$FRAME-$SIZE_T*20`($sp) - $POP r13,`$FRAME-$SIZE_T*19`($sp) $POP r14,`$FRAME-$SIZE_T*18`($sp) $POP r15,`$FRAME-$SIZE_T*17`($sp) $POP r16,`$FRAME-$SIZE_T*16`($sp) @@ -1355,6 +1441,7 @@ Ldec_compact_done: blr .long 0 .byte 0,12,0x14,0,0,0,0,0 +.size .AES_decrypt,.-.AES_decrypt .asciz "AES for PPC, CRYPTOGAMS by <appro\@openssl.org>" .align 7 |