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|
#! /usr/bin/env perl
# Copyright 2007-2025 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (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
# $output is the last argument if it looks like a file (it has an extension)
# $flavour is the first argument if it doesn't look like a file
$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or
die "can't locate ppc-xlate.pl";
open STDOUT,"| $^X $xlate $flavour \"$output\""
or die "can't call $xlate: $!";
if ($flavour=~/64/) {
$CMPLI="cmpldi";
$SHRLI="srdi";
$SIGNX="extsw";
} else {
$CMPLI="cmplwi";
$SHRLI="srwi";
$SIGNX="mr";
}
$code=<<___;
.machine "any"
.text
.globl .OPENSSL_fpu_probe
.align 4
.OPENSSL_fpu_probe:
fmr f0,f0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_fpu_probe,.-.OPENSSL_fpu_probe
.globl .OPENSSL_ppc64_probe
.align 4
.OPENSSL_ppc64_probe:
fcfid f1,f1
extrdi r0,r0,32,0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_ppc64_probe,.-.OPENSSL_ppc64_probe
.globl .OPENSSL_altivec_probe
.align 4
.OPENSSL_altivec_probe:
.long 0x10000484 # vor v0,v0,v0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_altivec_probe,.-..OPENSSL_altivec_probe
.globl .OPENSSL_crypto207_probe
.align 4
.OPENSSL_crypto207_probe:
lvx_u v0,0,r1
vcipher v0,v0,v0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_crypto207_probe,.-.OPENSSL_crypto207_probe
.globl .OPENSSL_madd300_probe
.align 4
.OPENSSL_madd300_probe:
xor r0,r0,r0
maddld r3,r0,r0,r0
maddhdu r3,r0,r0,r0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.globl .OPENSSL_brd31_probe
.align 4
.OPENSSL_brd31_probe:
xor r0,r0,r0
brd r3,r0
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_brd31_probe,.-.OPENSSL_brd31_probe
.globl .OPENSSL_atomic_add
.align 4
.OPENSSL_atomic_add:
Ladd: lwarx r5,0,r3
add r0,r4,r5
stwcx. r0,0,r3
bne- Ladd
$SIGNX r3,r0
blr
.long 0
.byte 0,12,0x14,0,0,0,2,0
.long 0
.size .OPENSSL_atomic_add,.-.OPENSSL_atomic_add
.globl .OPENSSL_rdtsc_mftb
.align 4
.OPENSSL_rdtsc_mftb:
mftb r3
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_rdtsc_mftb,.-.OPENSSL_rdtsc_mftb
.globl .OPENSSL_rdtsc_mfspr268
.align 4
.OPENSSL_rdtsc_mfspr268:
mfspr r3,268
blr
.long 0
.byte 0,12,0x14,0,0,0,0,0
.size .OPENSSL_rdtsc_mfspr268,.-.OPENSSL_rdtsc_mfspr268
.globl .OPENSSL_cleanse
.align 4
.OPENSSL_cleanse:
$CMPLI r4,7
li r0,0
bge Lot
$CMPLI r4,0
beqlr-
Little: mtctr r4
stb r0,0(r3)
addi r3,r3,1
bdnz \$-8
blr
Lot: andi. r5,r3,3
beq Laligned
stb r0,0(r3)
subi r4,r4,1
addi r3,r3,1
b Lot
Laligned:
$SHRLI r5,r4,2
mtctr r5
stw r0,0(r3)
addi r3,r3,4
bdnz \$-8
andi. r4,r4,3
bne Little
blr
.long 0
.byte 0,12,0x14,0,0,0,2,0
.long 0
.size .OPENSSL_cleanse,.-.OPENSSL_cleanse
globl .CRYPTO_memcmp
.align 4
.CRYPTO_memcmp:
$CMPLI r5,0
li r0,0
beq Lno_data
mtctr r5
Loop_cmp:
lbz r6,0(r3)
addi r3,r3,1
lbz r7,0(r4)
addi r4,r4,1
xor r6,r6,r7
or r0,r0,r6
bdnz Loop_cmp
Lno_data:
li r3,0
sub r3,r3,r0
extrwi r3,r3,1,0
blr
.long 0
.byte 0,12,0x14,0,0,0,3,0
.long 0
.size .CRYPTO_memcmp,.-.CRYPTO_memcmp
___
{
my ($out,$cnt,$max)=("r3","r4","r5");
my ($tick,$lasttick)=("r6","r7");
my ($diff,$lastdiff)=("r8","r9");
$code.=<<___;
.globl .OPENSSL_instrument_bus_mftb
.align 4
.OPENSSL_instrument_bus_mftb:
mtctr $cnt
mftb $lasttick # collect 1st tick
li $diff,0
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
Loop: mftb $tick
sub $diff,$tick,$lasttick
mr $lasttick,$tick
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
addi $out,$out,4 # ++$out
bdnz Loop
mr r3,$cnt
blr
.long 0
.byte 0,12,0x14,0,0,0,2,0
.long 0
.size .OPENSSL_instrument_bus_mftb,.-.OPENSSL_instrument_bus_mftb
.globl .OPENSSL_instrument_bus2_mftb
.align 4
.OPENSSL_instrument_bus2_mftb:
mr r0,$cnt
slwi $cnt,$cnt,2
mftb $lasttick # collect 1st tick
li $diff,0
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
mftb $tick # collect 1st diff
sub $diff,$tick,$lasttick
mr $lasttick,$tick
mr $lastdiff,$diff
Loop2:
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
addic. $max,$max,-1
beq Ldone2
mftb $tick
sub $diff,$tick,$lasttick
mr $lasttick,$tick
cmplw 7,$diff,$lastdiff
mr $lastdiff,$diff
mfcr $tick # pull cr
not $tick,$tick # flip bits
rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
sub. $cnt,$cnt,$tick # conditional --$cnt
add $out,$out,$tick # conditional ++$out
bne Loop2
Ldone2:
srwi $cnt,$cnt,2
sub r3,r0,$cnt
blr
.long 0
.byte 0,12,0x14,0,0,0,3,0
.long 0
.size .OPENSSL_instrument_bus2_mftb,.-.OPENSSL_instrument_bus2_mftb
.globl .OPENSSL_instrument_bus_mfspr268
.align 4
.OPENSSL_instrument_bus_mfspr268:
mtctr $cnt
mfspr $lasttick,268 # collect 1st tick
li $diff,0
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
Loop3: mfspr $tick,268
sub $diff,$tick,$lasttick
mr $lasttick,$tick
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
addi $out,$out,4 # ++$out
bdnz Loop3
mr r3,$cnt
blr
.long 0
.byte 0,12,0x14,0,0,0,2,0
.long 0
.size .OPENSSL_instrument_bus_mfspr268,.-.OPENSSL_instrument_bus_mfspr268
.globl .OPENSSL_instrument_bus2_mfspr268
.align 4
.OPENSSL_instrument_bus2_mfspr268:
mr r0,$cnt
slwi $cnt,$cnt,2
mfspr $lasttick,268 # collect 1st tick
li $diff,0
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
mfspr $tick,268 # collect 1st diff
sub $diff,$tick,$lasttick
mr $lasttick,$tick
mr $lastdiff,$diff
Loop4:
dcbf 0,$out # flush cache line
lwarx $tick,0,$out # load and lock
add $tick,$tick,$diff
stwcx. $tick,0,$out
stwx $tick,0,$out
addic. $max,$max,-1
beq Ldone4
mfspr $tick,268
sub $diff,$tick,$lasttick
mr $lasttick,$tick
cmplw 7,$diff,$lastdiff
mr $lastdiff,$diff
mfcr $tick # pull cr
not $tick,$tick # flip bits
rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
sub. $cnt,$cnt,$tick # conditional --$cnt
add $out,$out,$tick # conditional ++$out
bne Loop4
Ldone4:
srwi $cnt,$cnt,2
sub r3,r0,$cnt
blr
.long 0
.byte 0,12,0x14,0,0,0,3,0
.long 0
.size .OPENSSL_instrument_bus2_mfspr268,.-.OPENSSL_instrument_bus2_mfspr268
___
}
$code =~ s/\`([^\`]*)\`/eval $1/gem;
print $code;
close STDOUT or die "error closing STDOUT: $!";
|
