diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/rc4/asm/rc4-s390x.pl')
| -rw-r--r-- | drivers/builtin_openssl2/crypto/rc4/asm/rc4-s390x.pl | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/drivers/builtin_openssl2/crypto/rc4/asm/rc4-s390x.pl b/drivers/builtin_openssl2/crypto/rc4/asm/rc4-s390x.pl deleted file mode 100644 index 7528ece13c..0000000000 --- a/drivers/builtin_openssl2/crypto/rc4/asm/rc4-s390x.pl +++ /dev/null @@ -1,234 +0,0 @@ -#!/usr/bin/env perl -# -# ==================================================================== -# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL -# project. The module is, however, dual licensed under OpenSSL and -# CRYPTOGAMS licenses depending on where you obtain it. For further -# details see http://www.openssl.org/~appro/cryptogams/. -# ==================================================================== -# -# February 2009 -# -# Performance is 2x of gcc 3.4.6 on z10. Coding "secret" is to -# "cluster" Address Generation Interlocks, so that one pipeline stall -# resolves several dependencies. - -# November 2010. -# -# Adapt for -m31 build. If kernel supports what's called "highgprs" -# feature on Linux [see /proc/cpuinfo], it's possible to use 64-bit -# instructions and achieve "64-bit" performance even in 31-bit legacy -# application context. The feature is not specific to any particular -# processor, as long as it's "z-CPU". Latter implies that the code -# remains z/Architecture specific. On z990 it was measured to perform -# 50% better than code generated by gcc 4.3. - -$flavour = shift; - -if ($flavour =~ /3[12]/) { - $SIZE_T=4; - $g=""; -} else { - $SIZE_T=8; - $g="g"; -} - -while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {} -open STDOUT,">$output"; - -$rp="%r14"; -$sp="%r15"; -$code=<<___; -.text - -___ - -# void RC4(RC4_KEY *key,size_t len,const void *inp,void *out) -{ -$acc="%r0"; -$cnt="%r1"; -$key="%r2"; -$len="%r3"; -$inp="%r4"; -$out="%r5"; - -@XX=("%r6","%r7"); -@TX=("%r8","%r9"); -$YY="%r10"; -$TY="%r11"; - -$code.=<<___; -.globl RC4 -.type RC4,\@function -.align 64 -RC4: - stm${g} %r6,%r11,6*$SIZE_T($sp) -___ -$code.=<<___ if ($flavour =~ /3[12]/); - llgfr $len,$len -___ -$code.=<<___; - llgc $XX[0],0($key) - llgc $YY,1($key) - la $XX[0],1($XX[0]) - nill $XX[0],0xff - srlg $cnt,$len,3 - ltgr $cnt,$cnt - llgc $TX[0],2($XX[0],$key) - jz .Lshort - j .Loop8 - -.align 64 -.Loop8: -___ -for ($i=0;$i<8;$i++) { -$code.=<<___; - la $YY,0($YY,$TX[0]) # $i - nill $YY,255 - la $XX[1],1($XX[0]) - nill $XX[1],255 -___ -$code.=<<___ if ($i==1); - llgc $acc,2($TY,$key) -___ -$code.=<<___ if ($i>1); - sllg $acc,$acc,8 - ic $acc,2($TY,$key) -___ -$code.=<<___; - llgc $TY,2($YY,$key) - stc $TX[0],2($YY,$key) - llgc $TX[1],2($XX[1],$key) - stc $TY,2($XX[0],$key) - cr $XX[1],$YY - jne .Lcmov$i - la $TX[1],0($TX[0]) -.Lcmov$i: - la $TY,0($TY,$TX[0]) - nill $TY,255 -___ -push(@TX,shift(@TX)); push(@XX,shift(@XX)); # "rotate" registers -} - -$code.=<<___; - lg $TX[1],0($inp) - sllg $acc,$acc,8 - la $inp,8($inp) - ic $acc,2($TY,$key) - xgr $acc,$TX[1] - stg $acc,0($out) - la $out,8($out) - brctg $cnt,.Loop8 - -.Lshort: - lghi $acc,7 - ngr $len,$acc - jz .Lexit - j .Loop1 - -.align 16 -.Loop1: - la $YY,0($YY,$TX[0]) - nill $YY,255 - llgc $TY,2($YY,$key) - stc $TX[0],2($YY,$key) - stc $TY,2($XX[0],$key) - ar $TY,$TX[0] - ahi $XX[0],1 - nill $TY,255 - nill $XX[0],255 - llgc $acc,0($inp) - la $inp,1($inp) - llgc $TY,2($TY,$key) - llgc $TX[0],2($XX[0],$key) - xr $acc,$TY - stc $acc,0($out) - la $out,1($out) - brct $len,.Loop1 - -.Lexit: - ahi $XX[0],-1 - stc $XX[0],0($key) - stc $YY,1($key) - lm${g} %r6,%r11,6*$SIZE_T($sp) - br $rp -.size RC4,.-RC4 -.string "RC4 for s390x, CRYPTOGAMS by <appro\@openssl.org>" - -___ -} - -# void RC4_set_key(RC4_KEY *key,unsigned int len,const void *inp) -{ -$cnt="%r0"; -$idx="%r1"; -$key="%r2"; -$len="%r3"; -$inp="%r4"; -$acc="%r5"; -$dat="%r6"; -$ikey="%r7"; -$iinp="%r8"; - -$code.=<<___; -.globl private_RC4_set_key -.type private_RC4_set_key,\@function -.align 64 -private_RC4_set_key: - stm${g} %r6,%r8,6*$SIZE_T($sp) - lhi $cnt,256 - la $idx,0(%r0) - sth $idx,0($key) -.align 4 -.L1stloop: - stc $idx,2($idx,$key) - la $idx,1($idx) - brct $cnt,.L1stloop - - lghi $ikey,-256 - lr $cnt,$len - la $iinp,0(%r0) - la $idx,0(%r0) -.align 16 -.L2ndloop: - llgc $acc,2+256($ikey,$key) - llgc $dat,0($iinp,$inp) - la $idx,0($idx,$acc) - la $ikey,1($ikey) - la $idx,0($idx,$dat) - nill $idx,255 - la $iinp,1($iinp) - tml $ikey,255 - llgc $dat,2($idx,$key) - stc $dat,2+256-1($ikey,$key) - stc $acc,2($idx,$key) - jz .Ldone - brct $cnt,.L2ndloop - lr $cnt,$len - la $iinp,0(%r0) - j .L2ndloop -.Ldone: - lm${g} %r6,%r8,6*$SIZE_T($sp) - br $rp -.size private_RC4_set_key,.-private_RC4_set_key - -___ -} - -# const char *RC4_options() -$code.=<<___; -.globl RC4_options -.type RC4_options,\@function -.align 16 -RC4_options: - larl %r2,.Loptions - br %r14 -.size RC4_options,.-RC4_options -.section .rodata -.Loptions: -.align 8 -.string "rc4(8x,char)" -___ - -print $code; -close STDOUT; # force flush |