diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/sha/asm/sha1-s390x.pl')
| -rw-r--r-- | drivers/builtin_openssl2/crypto/sha/asm/sha1-s390x.pl | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/drivers/builtin_openssl2/crypto/sha/asm/sha1-s390x.pl b/drivers/builtin_openssl2/crypto/sha/asm/sha1-s390x.pl deleted file mode 100644 index 9193dda45e..0000000000 --- a/drivers/builtin_openssl2/crypto/sha/asm/sha1-s390x.pl +++ /dev/null @@ -1,246 +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/. -# ==================================================================== - -# SHA1 block procedure for s390x. - -# April 2007. -# -# Performance is >30% better than gcc 3.3 generated code. But the real -# twist is that SHA1 hardware support is detected and utilized. In -# which case performance can reach further >4.5x for larger chunks. - -# January 2009. -# -# Optimize Xupdate for amount of memory references and reschedule -# instructions to favour dual-issue z10 pipeline. On z10 hardware is -# "only" ~2.3x faster than software. - -# 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. - -$kimdfunc=1; # magic function code for kimd instruction - -$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,">$output"; - -$K_00_39="%r0"; $K=$K_00_39; -$K_40_79="%r1"; -$ctx="%r2"; $prefetch="%r2"; -$inp="%r3"; -$len="%r4"; - -$A="%r5"; -$B="%r6"; -$C="%r7"; -$D="%r8"; -$E="%r9"; @V=($A,$B,$C,$D,$E); -$t0="%r10"; -$t1="%r11"; -@X=("%r12","%r13","%r14"); -$sp="%r15"; - -$stdframe=16*$SIZE_T+4*8; -$frame=$stdframe+16*4; - -sub Xupdate { -my $i=shift; - -$code.=<<___ if ($i==15); - lg $prefetch,$stdframe($sp) ### Xupdate(16) warm-up - lr $X[0],$X[2] -___ -return if ($i&1); # Xupdate is vectorized and executed every 2nd cycle -$code.=<<___ if ($i<16); - lg $X[0],`$i*4`($inp) ### Xload($i) - rllg $X[1],$X[0],32 -___ -$code.=<<___ if ($i>=16); - xgr $X[0],$prefetch ### Xupdate($i) - lg $prefetch,`$stdframe+4*(($i+2)%16)`($sp) - xg $X[0],`$stdframe+4*(($i+8)%16)`($sp) - xgr $X[0],$prefetch - rll $X[0],$X[0],1 - rllg $X[1],$X[0],32 - rll $X[1],$X[1],1 - rllg $X[0],$X[1],32 - lr $X[2],$X[1] # feedback -___ -$code.=<<___ if ($i<=70); - stg $X[0],`$stdframe+4*($i%16)`($sp) -___ -unshift(@X,pop(@X)); -} - -sub BODY_00_19 { -my ($i,$a,$b,$c,$d,$e)=@_; -my $xi=$X[1]; - - &Xupdate($i); -$code.=<<___; - alr $e,$K ### $i - rll $t1,$a,5 - lr $t0,$d - xr $t0,$c - alr $e,$t1 - nr $t0,$b - alr $e,$xi - xr $t0,$d - rll $b,$b,30 - alr $e,$t0 -___ -} - -sub BODY_20_39 { -my ($i,$a,$b,$c,$d,$e)=@_; -my $xi=$X[1]; - - &Xupdate($i); -$code.=<<___; - alr $e,$K ### $i - rll $t1,$a,5 - lr $t0,$b - alr $e,$t1 - xr $t0,$c - alr $e,$xi - xr $t0,$d - rll $b,$b,30 - alr $e,$t0 -___ -} - -sub BODY_40_59 { -my ($i,$a,$b,$c,$d,$e)=@_; -my $xi=$X[1]; - - &Xupdate($i); -$code.=<<___; - alr $e,$K ### $i - rll $t1,$a,5 - lr $t0,$b - alr $e,$t1 - or $t0,$c - lr $t1,$b - nr $t0,$d - nr $t1,$c - alr $e,$xi - or $t0,$t1 - rll $b,$b,30 - alr $e,$t0 -___ -} - -$code.=<<___; -.text -.align 64 -.type Ktable,\@object -Ktable: .long 0x5a827999,0x6ed9eba1,0x8f1bbcdc,0xca62c1d6 - .skip 48 #.long 0,0,0,0,0,0,0,0,0,0,0,0 -.size Ktable,.-Ktable -.globl sha1_block_data_order -.type sha1_block_data_order,\@function -sha1_block_data_order: -___ -$code.=<<___ if ($kimdfunc); - larl %r1,OPENSSL_s390xcap_P - lg %r0,0(%r1) - tmhl %r0,0x4000 # check for message-security assist - jz .Lsoftware - lghi %r0,0 - la %r1,`2*$SIZE_T`($sp) - .long 0xb93e0002 # kimd %r0,%r2 - lg %r0,`2*$SIZE_T`($sp) - tmhh %r0,`0x8000>>$kimdfunc` - jz .Lsoftware - lghi %r0,$kimdfunc - lgr %r1,$ctx - lgr %r2,$inp - sllg %r3,$len,6 - .long 0xb93e0002 # kimd %r0,%r2 - brc 1,.-4 # pay attention to "partial completion" - br %r14 -.align 16 -.Lsoftware: -___ -$code.=<<___; - lghi %r1,-$frame - st${g} $ctx,`2*$SIZE_T`($sp) - stm${g} %r6,%r15,`6*$SIZE_T`($sp) - lgr %r0,$sp - la $sp,0(%r1,$sp) - st${g} %r0,0($sp) - - larl $t0,Ktable - llgf $A,0($ctx) - llgf $B,4($ctx) - llgf $C,8($ctx) - llgf $D,12($ctx) - llgf $E,16($ctx) - - lg $K_00_39,0($t0) - lg $K_40_79,8($t0) - -.Lloop: - rllg $K_00_39,$K_00_39,32 -___ -for ($i=0;$i<20;$i++) { &BODY_00_19($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - rllg $K_00_39,$K_00_39,32 -___ -for (;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; $K=$K_40_79; - rllg $K_40_79,$K_40_79,32 -___ -for (;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - rllg $K_40_79,$K_40_79,32 -___ -for (;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); } -$code.=<<___; - - l${g} $ctx,`$frame+2*$SIZE_T`($sp) - la $inp,64($inp) - al $A,0($ctx) - al $B,4($ctx) - al $C,8($ctx) - al $D,12($ctx) - al $E,16($ctx) - st $A,0($ctx) - st $B,4($ctx) - st $C,8($ctx) - st $D,12($ctx) - st $E,16($ctx) - brct${g} $len,.Lloop - - lm${g} %r6,%r15,`$frame+6*$SIZE_T`($sp) - br %r14 -.size sha1_block_data_order,.-sha1_block_data_order -.string "SHA1 block transform for s390x, CRYPTOGAMS by <appro\@openssl.org>" -.comm OPENSSL_s390xcap_P,16,8 -___ - -$code =~ s/\`([^\`]*)\`/eval $1/gem; - -print $code; -close STDOUT; |