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|
#!/usr/bin/env perl
$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,Ldone
nop
cmpib,*>>= 15,$len,Little
ldi $SIZE_T-1,%r1
Lalign
and,*<> $inp,%r1,%r28
b,n Laligned
stb %r0,0($inp)
ldo -1($len),$len
b Lalign
ldo 1($inp),$inp
Laligned
andcm $len,%r1,%r28
Lot
$ST %r0,0($inp)
addib,*<> -$SIZE_T,%r28,Lot
ldo $SIZE_T($inp),$inp
and,*<> $len,%r1,$len
b,n Ldone
Little
stb %r0,0($inp)
addib,*<> -1,$len,Little
ldo 1($inp),$inp
Ldone
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)
Loop
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,$cnt,Loop
addi 4,$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
Loop2
copy $diff,$lastdiff
fdc 0($out)
ldw 0($out),$tick
add $diff,$tick,$tick
stw $tick,0($out)
addib,= -1,$max,Ldone2
nop
mfctl %cr16,$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,Loop2
shladd,l $tick,2,$out,$out
Ldone2
bv ($rp)
.EXIT
add $rv,$cnt,$rv
.PROCEND
___
}
$code =~ s/cmpib,\*/comib,/gm if ($SIZE_T==4);
$code =~ s/,\*/,/gm if ($SIZE_T==4);
print $code;
close STDOUT;
|
