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#! /usr/bin/env perl
# Copyright 2009-2020 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 && $ARGV[0] !~ m|\.| ? shift : undef;
if ($flavour =~ /3[12]/) {
$SIZE_T=4;
$g="";
} else {
$SIZE_T=8;
$g="g";
}
$output and open STDOUT,">$output";
$ra="%r14";
$sp="%r15";
$stdframe=16*$SIZE_T+4*8;
$code=<<___;
#include "s390x_arch.h"
.text
.globl OPENSSL_s390x_facilities
.type OPENSSL_s390x_facilities,\@function
.align 16
OPENSSL_s390x_facilities:
lghi %r0,0
larl %r4,OPENSSL_s390xcap_P
stg %r0,S390X_STFLE+8(%r4) # wipe capability vectors
stg %r0,S390X_STFLE+16(%r4)
stg %r0,S390X_STFLE+24(%r4)
.long 0xb2b04000 # stfle 0(%r4)
brc 8,.Ldone
lghi %r0,1
.long 0xb2b04000 # stfle 0(%r4)
brc 8,.Ldone
lghi %r0,2
.long 0xb2b04000 # stfle 0(%r4)
.Ldone:
br $ra
.size OPENSSL_s390x_facilities,.-OPENSSL_s390x_facilities
.globl OPENSSL_s390x_functions
.type OPENSSL_s390x_functions,\@function
.align 16
OPENSSL_s390x_functions:
lghi %r0,0
larl %r4,OPENSSL_s390xcap_P
stg %r0,S390X_KIMD(%r4) # wipe capability vectors
stg %r0,S390X_KIMD+8(%r4)
stg %r0,S390X_KLMD(%r4)
stg %r0,S390X_KLMD+8(%r4)
stg %r0,S390X_KM(%r4)
stg %r0,S390X_KM+8(%r4)
stg %r0,S390X_KMC(%r4)
stg %r0,S390X_KMC+8(%r4)
stg %r0,S390X_KMAC(%r4)
stg %r0,S390X_KMAC+8(%r4)
stg %r0,S390X_KMCTR(%r4)
stg %r0,S390X_KMCTR+8(%r4)
stg %r0,S390X_KMO(%r4)
stg %r0,S390X_KMO+8(%r4)
stg %r0,S390X_KMF(%r4)
stg %r0,S390X_KMF+8(%r4)
stg %r0,S390X_PRNO(%r4)
stg %r0,S390X_PRNO+8(%r4)
stg %r0,S390X_KMA(%r4)
stg %r0,S390X_KMA+8(%r4)
stg %r0,S390X_PCC(%r4)
stg %r0,S390X_PCC+8(%r4)
stg %r0,S390X_KDSA(%r4)
stg %r0,S390X_KDSA+8(%r4)
lmg %r2,%r3,S390X_STFLE(%r4)
tmhl %r2,0x4000 # check for message-security-assist
jz .Lret
lghi %r0,S390X_QUERY # query kimd capabilities
la %r1,S390X_KIMD(%r4)
.long 0xb93e0002 # kimd %r0,%r2
lghi %r0,S390X_QUERY # query klmd capabilities
la %r1,S390X_KLMD(%r4)
.long 0xb93f0002 # klmd %r0,%r2
lghi %r0,S390X_QUERY # query km capability vector
la %r1,S390X_KM(%r4)
.long 0xb92e0042 # km %r4,%r2
lghi %r0,S390X_QUERY # query kmc capability vector
la %r1,S390X_KMC(%r4)
.long 0xb92f0042 # kmc %r4,%r2
lghi %r0,S390X_QUERY # query kmac capability vector
la %r1,S390X_KMAC(%r4)
.long 0xb91e0042 # kmac %r4,%r2
tmhh %r3,0x0008 # check for message-security-assist-3
jz .Lret
lghi %r0,S390X_QUERY # query pcc capability vector
la %r1,S390X_PCC(%r4)
.long 0xb92c0000 # pcc
tmhh %r3,0x0004 # check for message-security-assist-4
jz .Lret
lghi %r0,S390X_QUERY # query kmctr capability vector
la %r1,S390X_KMCTR(%r4)
.long 0xb92d2042 # kmctr %r4,%r2,%r2
lghi %r0,S390X_QUERY # query kmo capability vector
la %r1,S390X_KMO(%r4)
.long 0xb92b0042 # kmo %r4,%r2
lghi %r0,S390X_QUERY # query kmf capability vector
la %r1,S390X_KMF(%r4)
.long 0xb92a0042 # kmf %r4,%r2
tml %r2,0x40 # check for message-security-assist-5
jz .Lret
lghi %r0,S390X_QUERY # query prno capability vector
la %r1,S390X_PRNO(%r4)
.long 0xb93c0042 # prno %r4,%r2
lg %r2,S390X_STFLE+16(%r4)
tmhl %r2,0x2000 # check for message-security-assist-8
jz .Lret
lghi %r0,S390X_QUERY # query kma capability vector
la %r1,S390X_KMA(%r4)
.long 0xb9294022 # kma %r2,%r4,%r2
tmhl %r2,0x0010 # check for message-security-assist-9
jz .Lret
lghi %r0,S390X_QUERY # query kdsa capability vector
la %r1,S390X_KDSA(%r4)
.long 0xb93a0002 # kdsa %r0,%r2
.Lret:
br $ra
.size OPENSSL_s390x_functions,.-OPENSSL_s390x_functions
.globl OPENSSL_rdtsc
.type OPENSSL_rdtsc,\@function
.align 16
OPENSSL_rdtsc:
larl %r4,OPENSSL_s390xcap_P
tm S390X_STFLE+3(%r4),0x40 # check for store-clock-fast facility
jz .Lstck
.long 0xb27cf010 # stckf 16($sp)
lg %r2,16($sp)
br $ra
.Lstck:
stck 16($sp)
lg %r2,16($sp)
br $ra
.size OPENSSL_rdtsc,.-OPENSSL_rdtsc
.globl OPENSSL_atomic_add
.type OPENSSL_atomic_add,\@function
.align 16
OPENSSL_atomic_add:
l %r1,0(%r2)
.Lspin: lr %r0,%r1
ar %r0,%r3
cs %r1,%r0,0(%r2)
brc 4,.Lspin
lgfr %r2,%r0 # OpenSSL expects the new value
br $ra
.size OPENSSL_atomic_add,.-OPENSSL_atomic_add
.globl OPENSSL_wipe_cpu
.type OPENSSL_wipe_cpu,\@function
.align 16
OPENSSL_wipe_cpu:
xgr %r0,%r0
xgr %r1,%r1
lgr %r2,$sp
xgr %r3,%r3
xgr %r4,%r4
lzdr %f0
lzdr %f1
lzdr %f2
lzdr %f3
lzdr %f4
lzdr %f5
lzdr %f6
lzdr %f7
br $ra
.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
.globl OPENSSL_cleanse
.type OPENSSL_cleanse,\@function
.align 16
OPENSSL_cleanse:
#if !defined(__s390x__) && !defined(__s390x)
llgfr %r3,%r3
#endif
lghi %r4,15
lghi %r0,0
clgr %r3,%r4
jh .Lot
clgr %r3,%r0
bcr 8,%r14
.Little:
stc %r0,0(%r2)
la %r2,1(%r2)
brctg %r3,.Little
br %r14
.align 4
.Lot: tmll %r2,7
jz .Laligned
stc %r0,0(%r2)
la %r2,1(%r2)
brctg %r3,.Lot
.Laligned:
srlg %r4,%r3,3
.Loop: stg %r0,0(%r2)
la %r2,8(%r2)
brctg %r4,.Loop
lghi %r4,7
ngr %r3,%r4
jnz .Little
br $ra
.size OPENSSL_cleanse,.-OPENSSL_cleanse
.globl CRYPTO_memcmp
.type CRYPTO_memcmp,\@function
.align 16
CRYPTO_memcmp:
#if !defined(__s390x__) && !defined(__s390x)
llgfr %r4,%r4
#endif
lghi %r5,0
clgr %r4,%r5
je .Lno_data
.Loop_cmp:
llgc %r0,0(%r2)
la %r2,1(%r2)
llgc %r1,0(%r3)
la %r3,1(%r3)
xr %r1,%r0
or %r5,%r1
brctg %r4,.Loop_cmp
lnr %r5,%r5
srl %r5,31
.Lno_data:
lgr %r2,%r5
br $ra
.size CRYPTO_memcmp,.-CRYPTO_memcmp
.globl OPENSSL_instrument_bus
.type OPENSSL_instrument_bus,\@function
.align 16
OPENSSL_instrument_bus:
lghi %r2,0
br %r14
.size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus
.globl OPENSSL_instrument_bus2
.type OPENSSL_instrument_bus2,\@function
.align 16
OPENSSL_instrument_bus2:
lghi %r2,0
br $ra
.size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2
.globl OPENSSL_vx_probe
.type OPENSSL_vx_probe,\@function
.align 16
OPENSSL_vx_probe:
.word 0xe700,0x0000,0x0044 # vzero %v0
br $ra
.size OPENSSL_vx_probe,.-OPENSSL_vx_probe
___
{
################
# void s390x_kimd(const unsigned char *in, size_t len, unsigned int fc,
# void *param)
my ($in,$len,$fc,$param) = map("%r$_",(2..5));
$code.=<<___;
.globl s390x_kimd
.type s390x_kimd,\@function
.align 16
s390x_kimd:
llgfr %r0,$fc
lgr %r1,$param
.long 0xb93e0002 # kimd %r0,%r2
brc 1,.-4 # pay attention to "partial completion"
br $ra
.size s390x_kimd,.-s390x_kimd
___
}
{
################
# void s390x_klmd(const unsigned char *in, size_t inlen, unsigned char *out,
# size_t outlen, unsigned int fc, void *param)
my ($in,$inlen,$out,$outlen,$fc) = map("%r$_",(2..6));
$code.=<<___;
.globl s390x_klmd
.type s390x_klmd,\@function
.align 32
s390x_klmd:
llgfr %r0,$fc
l${g} %r1,$stdframe($sp)
.long 0xb93f0042 # klmd %r4,%r2
brc 1,.-4 # pay attention to "partial completion"
br $ra
.size s390x_klmd,.-s390x_klmd
___
}
################
# void s390x_km(const unsigned char *in, size_t len, unsigned char *out,
# unsigned int fc, void *param)
{
my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6));
$code.=<<___;
.globl s390x_km
.type s390x_km,\@function
.align 16
s390x_km:
lr %r0,$fc
l${g}r %r1,$param
.long 0xb92e0042 # km $out,$in
brc 1,.-4 # pay attention to "partial completion"
br $ra
.size s390x_km,.-s390x_km
___
}
################
# void s390x_kmac(const unsigned char *in, size_t len, unsigned int fc,
# void *param)
{
my ($in,$len,$fc,$param) = map("%r$_",(2..5));
$code.=<<___;
.globl s390x_kmac
.type s390x_kmac,\@function
.align 16
s390x_kmac:
lr %r0,$fc
l${g}r %r1,$param
.long 0xb91e0002 # kmac %r0,$in
brc 1,.-4 # pay attention to "partial completion"
br $ra
.size s390x_kmac,.-s390x_kmac
___
}
################
# void s390x_kmo(const unsigned char *in, size_t len, unsigned char *out,
# unsigned int fc, void *param)
{
my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6));
$code.=<<___;
.globl s390x_kmo
.type s390x_kmo,\@function
.align 16
s390x_kmo:
lr %r0,$fc
l${g}r %r1,$param
.long 0xb92b0042 # kmo $out,$in
brc 1,.-4 # pay attention to "partial completion"
br $ra
.size s390x_kmo,.-s390x_kmo
___
}
################
# void s390x_kmf(const unsigned char *in, size_t len, unsigned char *out,
# unsigned int fc, void *param)
{
my ($in,$len,$out,$fc,$param) = map("%r$_",(2..6));
$code.=<<___;
.globl s390x_kmf
.type s390x_kmf,\@function
.align 16
s390x_kmf:
lr %r0,$fc
l${g}r %r1,$param
.long 0xb92a0042 # kmf $out,$in
brc 1,.-4 # pay attention to "partial completion"
br $ra
.size s390x_kmf,.-s390x_kmf
___
}
################
# void s390x_kma(const unsigned char *aad, size_t alen,
# const unsigned char *in, size_t len,
# unsigned char *out, unsigned int fc, void *param)
{
my ($aad,$alen,$in,$len,$out) = map("%r$_",(2..6));
$code.=<<___;
.globl s390x_kma
.type s390x_kma,\@function
.align 16
s390x_kma:
st${g} $out,6*$SIZE_T($sp)
lm${g} %r0,%r1,$stdframe($sp)
.long 0xb9292064 # kma $out,$aad,$in
brc 1,.-4 # pay attention to "partial completion"
l${g} $out,6*$SIZE_T($sp)
br $ra
.size s390x_kma,.-s390x_kma
___
}
################
# int s390x_pcc(unsigned int fc, void *param)
{
my ($fc,$param) = map("%r$_",(2..3));
$code.=<<___;
.globl s390x_pcc
.type s390x_pcc,\@function
.align 16
s390x_pcc:
lr %r0,$fc
l${g}r %r1,$param
lhi %r2,0
.long 0xb92c0000 # pcc
brc 1,.-4 # pay attention to "partial completion"
brc 7,.Lpcc_err # if CC==0 return 0, else return 1
.Lpcc_out:
br $ra
.Lpcc_err:
lhi %r2,1
j .Lpcc_out
.size s390x_pcc,.-s390x_pcc
___
}
################
# int s390x_kdsa(unsigned int fc, void *param,
# const unsigned char *in, size_t len)
{
my ($fc,$param,$in,$len) = map("%r$_",(2..5));
$code.=<<___;
.globl s390x_kdsa
.type s390x_kdsa,\@function
.align 16
s390x_kdsa:
lr %r0,$fc
l${g}r %r1,$param
lhi %r2,0
.long 0xb93a0004 # kdsa %r0,$in
brc 1,.-4 # pay attention to "partial completion"
brc 7,.Lkdsa_err # if CC==0 return 0, else return 1
.Lkdsa_out:
br $ra
.Lkdsa_err:
lhi %r2,1
j .Lkdsa_out
.size s390x_kdsa,.-s390x_kdsa
___
}
################
# void s390x_flip_endian32(unsigned char dst[32], const unsigned char src[32])
{
my ($dst,$src) = map("%r$_",(2..3));
$code.=<<___;
.globl s390x_flip_endian32
.type s390x_flip_endian32,\@function
.align 16
s390x_flip_endian32:
lrvg %r0,0($src)
lrvg %r1,8($src)
lrvg %r4,16($src)
lrvg %r5,24($src)
stg %r0,24($dst)
stg %r1,16($dst)
stg %r4,8($dst)
stg %r5,0($dst)
br $ra
.size s390x_flip_endian32,.-s390x_flip_endian32
___
}
################
# void s390x_flip_endian64(unsigned char dst[64], const unsigned char src[64])
{
my ($dst,$src) = map("%r$_",(2..3));
$code.=<<___;
.globl s390x_flip_endian64
.type s390x_flip_endian64,\@function
.align 16
s390x_flip_endian64:
stmg %r6,%r9,6*$SIZE_T($sp)
lrvg %r0,0($src)
lrvg %r1,8($src)
lrvg %r4,16($src)
lrvg %r5,24($src)
lrvg %r6,32($src)
lrvg %r7,40($src)
lrvg %r8,48($src)
lrvg %r9,56($src)
stg %r0,56($dst)
stg %r1,48($dst)
stg %r4,40($dst)
stg %r5,32($dst)
stg %r6,24($dst)
stg %r7,16($dst)
stg %r8,8($dst)
stg %r9,0($dst)
lmg %r6,%r9,6*$SIZE_T($sp)
br $ra
.size s390x_flip_endian64,.-s390x_flip_endian64
___
}
$code.=<<___;
.section .init
brasl $ra,OPENSSL_cpuid_setup
___
$code =~ s/\`([^\`]*)\`/eval $1/gem;
print $code;
close STDOUT or die "error closing STDOUT: $!"; # force flush
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