openssl/crypto/pariscid.pl
Rich Salz e0a651945c Copyright consolidation: perl files
Add copyright to most .pl files
This does NOT cover any .pl file that has other copyright in it.
Most of those are Andy's but some are public domain.
Fix typo's in some existing files.

Reviewed-by: Richard Levitte <levitte@openssl.org>
2016-04-20 09:45:40 -04:00

233 lines
3.8 KiB
Raku

#! /usr/bin/env perl
# Copyright 2009-2016 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
$flavour = shift;
$output = shift;
open STDOUT,">$output";
if ($flavour =~ /64/) {
$LEVEL ="2.0W";
$SIZE_T =8;
$ST ="std";
} else {
$LEVEL ="1.1";
$SIZE_T =4;
$ST ="stw";
}
$rp="%r2";
$sp="%r30";
$rv="%r28";
$code=<<___;
.LEVEL $LEVEL
.SPACE \$TEXT\$
.SUBSPA \$CODE\$,QUAD=0,ALIGN=8,ACCESS=0x2C,CODE_ONLY
.EXPORT OPENSSL_cpuid_setup,ENTRY
.ALIGN 8
OPENSSL_cpuid_setup
.PROC
.CALLINFO NO_CALLS
.ENTRY
bv ($rp)
.EXIT
nop
.PROCEND
.EXPORT OPENSSL_rdtsc,ENTRY
.ALIGN 8
OPENSSL_rdtsc
.PROC
.CALLINFO NO_CALLS
.ENTRY
mfctl %cr16,$rv
bv ($rp)
.EXIT
nop
.PROCEND
.EXPORT OPENSSL_wipe_cpu,ENTRY
.ALIGN 8
OPENSSL_wipe_cpu
.PROC
.CALLINFO NO_CALLS
.ENTRY
xor %r0,%r0,%r1
fcpy,dbl %fr0,%fr4
xor %r0,%r0,%r19
fcpy,dbl %fr0,%fr5
xor %r0,%r0,%r20
fcpy,dbl %fr0,%fr6
xor %r0,%r0,%r21
fcpy,dbl %fr0,%fr7
xor %r0,%r0,%r22
fcpy,dbl %fr0,%fr8
xor %r0,%r0,%r23
fcpy,dbl %fr0,%fr9
xor %r0,%r0,%r24
fcpy,dbl %fr0,%fr10
xor %r0,%r0,%r25
fcpy,dbl %fr0,%fr11
xor %r0,%r0,%r26
fcpy,dbl %fr0,%fr22
xor %r0,%r0,%r29
fcpy,dbl %fr0,%fr23
xor %r0,%r0,%r31
fcpy,dbl %fr0,%fr24
fcpy,dbl %fr0,%fr25
fcpy,dbl %fr0,%fr26
fcpy,dbl %fr0,%fr27
fcpy,dbl %fr0,%fr28
fcpy,dbl %fr0,%fr29
fcpy,dbl %fr0,%fr30
fcpy,dbl %fr0,%fr31
bv ($rp)
.EXIT
ldo 0($sp),$rv
.PROCEND
___
{
my $inp="%r26";
my $len="%r25";
$code.=<<___;
.EXPORT OPENSSL_cleanse,ENTRY,ARGW0=GR,ARGW1=GR
.ALIGN 8
OPENSSL_cleanse
.PROC
.CALLINFO NO_CALLS
.ENTRY
cmpib,*= 0,$len,L\$done
nop
cmpib,*>>= 15,$len,L\$ittle
ldi $SIZE_T-1,%r1
L\$align
and,*<> $inp,%r1,%r28
b,n L\$aligned
stb %r0,0($inp)
ldo -1($len),$len
b L\$align
ldo 1($inp),$inp
L\$aligned
andcm $len,%r1,%r28
L\$ot
$ST %r0,0($inp)
addib,*<> -$SIZE_T,%r28,L\$ot
ldo $SIZE_T($inp),$inp
and,*<> $len,%r1,$len
b,n L\$done
L\$ittle
stb %r0,0($inp)
addib,*<> -1,$len,L\$ittle
ldo 1($inp),$inp
L\$done
bv ($rp)
.EXIT
nop
.PROCEND
___
}
{
my ($out,$cnt,$max)=("%r26","%r25","%r24");
my ($tick,$lasttick)=("%r23","%r22");
my ($diff,$lastdiff)=("%r21","%r20");
$code.=<<___;
.EXPORT OPENSSL_instrument_bus,ENTRY,ARGW0=GR,ARGW1=GR
.ALIGN 8
OPENSSL_instrument_bus
.PROC
.CALLINFO NO_CALLS
.ENTRY
copy $cnt,$rv
mfctl %cr16,$tick
copy $tick,$lasttick
ldi 0,$diff
fdc 0($out)
ldw 0($out),$tick
add $diff,$tick,$tick
stw $tick,0($out)
L\$oop
mfctl %cr16,$tick
sub $tick,$lasttick,$diff
copy $tick,$lasttick
fdc 0($out)
ldw 0($out),$tick
add $diff,$tick,$tick
stw $tick,0($out)
addib,<> -1,$cnt,L\$oop
addi 4,$out,$out
bv ($rp)
.EXIT
sub $rv,$cnt,$rv
.PROCEND
.EXPORT OPENSSL_instrument_bus2,ENTRY,ARGW0=GR,ARGW1=GR
.ALIGN 8
OPENSSL_instrument_bus2
.PROC
.CALLINFO NO_CALLS
.ENTRY
copy $cnt,$rv
sub %r0,$cnt,$cnt
mfctl %cr16,$tick
copy $tick,$lasttick
ldi 0,$diff
fdc 0($out)
ldw 0($out),$tick
add $diff,$tick,$tick
stw $tick,0($out)
mfctl %cr16,$tick
sub $tick,$lasttick,$diff
copy $tick,$lasttick
L\$oop2
copy $diff,$lastdiff
fdc 0($out)
ldw 0($out),$tick
add $diff,$tick,$tick
stw $tick,0($out)
addib,= -1,$max,L\$done2
nop
mfctl %cr16,$tick
sub $tick,$lasttick,$diff
copy $tick,$lasttick
cmpclr,<> $lastdiff,$diff,$tick
ldi 1,$tick
ldi 1,%r1
xor %r1,$tick,$tick
addb,<> $tick,$cnt,L\$oop2
shladd,l $tick,2,$out,$out
L\$done2
bv ($rp)
.EXIT
add $rv,$cnt,$rv
.PROCEND
___
}
$code =~ s/cmpib,\*/comib,/gm if ($SIZE_T==4);
$code =~ s/,\*/,/gm if ($SIZE_T==4);
$code =~ s/\bbv\b/bve/gm if ($SIZE_T==8);
print $code;
close STDOUT;