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authormarha <marha@users.sourceforge.net>2012-04-10 11:41:26 +0200
committermarha <marha@users.sourceforge.net>2012-04-10 11:41:26 +0200
commit67326634496ef21b4acbf4cef2f05040d34aef9b (patch)
treef19fba7c7b691e44cd97482644e383e09ab98c49 /openssl/crypto/sha/asm/sha1-ppc.pl
parentc6f80401dc533b04341afe8d596960d1bc25efce (diff)
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Update to openssl-1.0.1
Diffstat (limited to 'openssl/crypto/sha/asm/sha1-ppc.pl')
-rw-r--r--openssl/crypto/sha/asm/sha1-ppc.pl83
1 files changed, 45 insertions, 38 deletions
diff --git a/openssl/crypto/sha/asm/sha1-ppc.pl b/openssl/crypto/sha/asm/sha1-ppc.pl
index dcd0fcdfc..2140dd2f8 100644
--- a/openssl/crypto/sha/asm/sha1-ppc.pl
+++ b/openssl/crypto/sha/asm/sha1-ppc.pl
@@ -24,12 +24,14 @@ $flavour = shift;
if ($flavour =~ /64/) {
$SIZE_T =8;
+ $LRSAVE =2*$SIZE_T;
$UCMP ="cmpld";
$STU ="stdu";
$POP ="ld";
$PUSH ="std";
} elsif ($flavour =~ /32/) {
$SIZE_T =4;
+ $LRSAVE =$SIZE_T;
$UCMP ="cmplw";
$STU ="stwu";
$POP ="lwz";
@@ -43,7 +45,8 @@ die "can't locate ppc-xlate.pl";
open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!";
-$FRAME=24*$SIZE_T;
+$FRAME=24*$SIZE_T+64;
+$LOCALS=6*$SIZE_T;
$K ="r0";
$sp ="r1";
@@ -162,9 +165,8 @@ $code=<<___;
.globl .sha1_block_data_order
.align 4
.sha1_block_data_order:
+ $STU $sp,-$FRAME($sp)
mflr r0
- $STU $sp,`-($FRAME+64)`($sp)
- $PUSH r0,`$FRAME-$SIZE_T*18`($sp)
$PUSH r15,`$FRAME-$SIZE_T*17`($sp)
$PUSH r16,`$FRAME-$SIZE_T*16`($sp)
$PUSH r17,`$FRAME-$SIZE_T*15`($sp)
@@ -182,6 +184,7 @@ $code=<<___;
$PUSH r29,`$FRAME-$SIZE_T*3`($sp)
$PUSH r30,`$FRAME-$SIZE_T*2`($sp)
$PUSH r31,`$FRAME-$SIZE_T*1`($sp)
+ $PUSH r0,`$FRAME+$LRSAVE`($sp)
lwz $A,0($ctx)
lwz $B,4($ctx)
lwz $C,8($ctx)
@@ -192,37 +195,14 @@ $code=<<___;
Laligned:
mtctr $num
bl Lsha1_block_private
-Ldone:
- $POP r0,`$FRAME-$SIZE_T*18`($sp)
- $POP r15,`$FRAME-$SIZE_T*17`($sp)
- $POP r16,`$FRAME-$SIZE_T*16`($sp)
- $POP r17,`$FRAME-$SIZE_T*15`($sp)
- $POP r18,`$FRAME-$SIZE_T*14`($sp)
- $POP r19,`$FRAME-$SIZE_T*13`($sp)
- $POP r20,`$FRAME-$SIZE_T*12`($sp)
- $POP r21,`$FRAME-$SIZE_T*11`($sp)
- $POP r22,`$FRAME-$SIZE_T*10`($sp)
- $POP r23,`$FRAME-$SIZE_T*9`($sp)
- $POP r24,`$FRAME-$SIZE_T*8`($sp)
- $POP r25,`$FRAME-$SIZE_T*7`($sp)
- $POP r26,`$FRAME-$SIZE_T*6`($sp)
- $POP r27,`$FRAME-$SIZE_T*5`($sp)
- $POP r28,`$FRAME-$SIZE_T*4`($sp)
- $POP r29,`$FRAME-$SIZE_T*3`($sp)
- $POP r30,`$FRAME-$SIZE_T*2`($sp)
- $POP r31,`$FRAME-$SIZE_T*1`($sp)
- mtlr r0
- addi $sp,$sp,`$FRAME+64`
- blr
-___
+ b Ldone
-# PowerPC specification allows an implementation to be ill-behaved
-# upon unaligned access which crosses page boundary. "Better safe
-# than sorry" principle makes me treat it specially. But I don't
-# look for particular offending word, but rather for 64-byte input
-# block which crosses the boundary. Once found that block is aligned
-# and hashed separately...
-$code.=<<___;
+; PowerPC specification allows an implementation to be ill-behaved
+; upon unaligned access which crosses page boundary. "Better safe
+; than sorry" principle makes me treat it specially. But I don't
+; look for particular offending word, but rather for 64-byte input
+; block which crosses the boundary. Once found that block is aligned
+; and hashed separately...
.align 4
Lunaligned:
subfic $t1,$inp,4096
@@ -237,7 +217,7 @@ Lunaligned:
Lcross_page:
li $t1,16
mtctr $t1
- addi r20,$sp,$FRAME ; spot below the frame
+ addi r20,$sp,$LOCALS ; spot within the frame
Lmemcpy:
lbz r16,0($inp)
lbz r17,1($inp)
@@ -251,15 +231,40 @@ Lmemcpy:
addi r20,r20,4
bdnz Lmemcpy
- $PUSH $inp,`$FRAME-$SIZE_T*19`($sp)
+ $PUSH $inp,`$FRAME-$SIZE_T*18`($sp)
li $t1,1
- addi $inp,$sp,$FRAME
+ addi $inp,$sp,$LOCALS
mtctr $t1
bl Lsha1_block_private
- $POP $inp,`$FRAME-$SIZE_T*19`($sp)
+ $POP $inp,`$FRAME-$SIZE_T*18`($sp)
addic. $num,$num,-1
bne- Lunaligned
- b Ldone
+
+Ldone:
+ $POP r0,`$FRAME+$LRSAVE`($sp)
+ $POP r15,`$FRAME-$SIZE_T*17`($sp)
+ $POP r16,`$FRAME-$SIZE_T*16`($sp)
+ $POP r17,`$FRAME-$SIZE_T*15`($sp)
+ $POP r18,`$FRAME-$SIZE_T*14`($sp)
+ $POP r19,`$FRAME-$SIZE_T*13`($sp)
+ $POP r20,`$FRAME-$SIZE_T*12`($sp)
+ $POP r21,`$FRAME-$SIZE_T*11`($sp)
+ $POP r22,`$FRAME-$SIZE_T*10`($sp)
+ $POP r23,`$FRAME-$SIZE_T*9`($sp)
+ $POP r24,`$FRAME-$SIZE_T*8`($sp)
+ $POP r25,`$FRAME-$SIZE_T*7`($sp)
+ $POP r26,`$FRAME-$SIZE_T*6`($sp)
+ $POP r27,`$FRAME-$SIZE_T*5`($sp)
+ $POP r28,`$FRAME-$SIZE_T*4`($sp)
+ $POP r29,`$FRAME-$SIZE_T*3`($sp)
+ $POP r30,`$FRAME-$SIZE_T*2`($sp)
+ $POP r31,`$FRAME-$SIZE_T*1`($sp)
+ mtlr r0
+ addi $sp,$sp,$FRAME
+ blr
+ .long 0
+ .byte 0,12,4,1,0x80,18,3,0
+ .long 0
___
# This is private block function, which uses tailored calling
@@ -309,6 +314,8 @@ $code.=<<___;
addi $inp,$inp,`16*4`
bdnz- Lsha1_block_private
blr
+ .long 0
+ .byte 0,12,0x14,0,0,0,0,0
___
$code.=<<___;
.asciz "SHA1 block transform for PPC, CRYPTOGAMS by <appro\@fy.chalmers.se>"