mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 14:43:46 +07:00
3723c63247
Almost all files in the kernel are either plain text or UTF-8 encoded. A couple however are ISO_8859-1, usually just a few characters in a C comments, for historic reasons. This converts them all to UTF-8 for consistency. Link: http://lkml.kernel.org/r/20180724111600.4158975-1-arnd@arndb.de Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Simon Horman <horms@verge.net.au> [IPVS portion] Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [IIO] Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Acked-by: Rob Herring <robh@kernel.org> Cc: Joe Perches <joe@perches.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Rob Herring <robh+dt@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
244 lines
5.6 KiB
Raku
244 lines
5.6 KiB
Raku
#!/usr/bin/env perl
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
# This code is taken from the OpenSSL project but the author (Andy Polyakov)
|
|
# has relicensed it under the GPLv2. Therefore this program is free software;
|
|
# you can redistribute it and/or modify it under the terms of the GNU General
|
|
# Public License version 2 as published by the Free Software Foundation.
|
|
#
|
|
# The original headers, including the original license headers, are
|
|
# included below for completeness.
|
|
|
|
# ====================================================================
|
|
# Written by Andy Polyakov <appro@openssl.org> 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/.
|
|
# ====================================================================
|
|
#
|
|
# GHASH for for PowerISA v2.07.
|
|
#
|
|
# July 2014
|
|
#
|
|
# Accurate performance measurements are problematic, because it's
|
|
# always virtualized setup with possibly throttled processor.
|
|
# Relative comparison is therefore more informative. This initial
|
|
# version is ~2.1x slower than hardware-assisted AES-128-CTR, ~12x
|
|
# faster than "4-bit" integer-only compiler-generated 64-bit code.
|
|
# "Initial version" means that there is room for futher improvement.
|
|
|
|
$flavour=shift;
|
|
$output =shift;
|
|
|
|
if ($flavour =~ /64/) {
|
|
$SIZE_T=8;
|
|
$LRSAVE=2*$SIZE_T;
|
|
$STU="stdu";
|
|
$POP="ld";
|
|
$PUSH="std";
|
|
} elsif ($flavour =~ /32/) {
|
|
$SIZE_T=4;
|
|
$LRSAVE=$SIZE_T;
|
|
$STU="stwu";
|
|
$POP="lwz";
|
|
$PUSH="stw";
|
|
} else { die "nonsense $flavour"; }
|
|
|
|
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $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" || die "can't call $xlate: $!";
|
|
|
|
my ($Xip,$Htbl,$inp,$len)=map("r$_",(3..6)); # argument block
|
|
|
|
my ($Xl,$Xm,$Xh,$IN)=map("v$_",(0..3));
|
|
my ($zero,$t0,$t1,$t2,$xC2,$H,$Hh,$Hl,$lemask)=map("v$_",(4..12));
|
|
my $vrsave="r12";
|
|
|
|
$code=<<___;
|
|
.machine "any"
|
|
|
|
.text
|
|
|
|
.globl .gcm_init_p8
|
|
lis r0,0xfff0
|
|
li r8,0x10
|
|
mfspr $vrsave,256
|
|
li r9,0x20
|
|
mtspr 256,r0
|
|
li r10,0x30
|
|
lvx_u $H,0,r4 # load H
|
|
le?xor r7,r7,r7
|
|
le?addi r7,r7,0x8 # need a vperm start with 08
|
|
le?lvsr 5,0,r7
|
|
le?vspltisb 6,0x0f
|
|
le?vxor 5,5,6 # set a b-endian mask
|
|
le?vperm $H,$H,$H,5
|
|
|
|
vspltisb $xC2,-16 # 0xf0
|
|
vspltisb $t0,1 # one
|
|
vaddubm $xC2,$xC2,$xC2 # 0xe0
|
|
vxor $zero,$zero,$zero
|
|
vor $xC2,$xC2,$t0 # 0xe1
|
|
vsldoi $xC2,$xC2,$zero,15 # 0xe1...
|
|
vsldoi $t1,$zero,$t0,1 # ...1
|
|
vaddubm $xC2,$xC2,$xC2 # 0xc2...
|
|
vspltisb $t2,7
|
|
vor $xC2,$xC2,$t1 # 0xc2....01
|
|
vspltb $t1,$H,0 # most significant byte
|
|
vsl $H,$H,$t0 # H<<=1
|
|
vsrab $t1,$t1,$t2 # broadcast carry bit
|
|
vand $t1,$t1,$xC2
|
|
vxor $H,$H,$t1 # twisted H
|
|
|
|
vsldoi $H,$H,$H,8 # twist even more ...
|
|
vsldoi $xC2,$zero,$xC2,8 # 0xc2.0
|
|
vsldoi $Hl,$zero,$H,8 # ... and split
|
|
vsldoi $Hh,$H,$zero,8
|
|
|
|
stvx_u $xC2,0,r3 # save pre-computed table
|
|
stvx_u $Hl,r8,r3
|
|
stvx_u $H, r9,r3
|
|
stvx_u $Hh,r10,r3
|
|
|
|
mtspr 256,$vrsave
|
|
blr
|
|
.long 0
|
|
.byte 0,12,0x14,0,0,0,2,0
|
|
.long 0
|
|
.size .gcm_init_p8,.-.gcm_init_p8
|
|
|
|
.globl .gcm_gmult_p8
|
|
lis r0,0xfff8
|
|
li r8,0x10
|
|
mfspr $vrsave,256
|
|
li r9,0x20
|
|
mtspr 256,r0
|
|
li r10,0x30
|
|
lvx_u $IN,0,$Xip # load Xi
|
|
|
|
lvx_u $Hl,r8,$Htbl # load pre-computed table
|
|
le?lvsl $lemask,r0,r0
|
|
lvx_u $H, r9,$Htbl
|
|
le?vspltisb $t0,0x07
|
|
lvx_u $Hh,r10,$Htbl
|
|
le?vxor $lemask,$lemask,$t0
|
|
lvx_u $xC2,0,$Htbl
|
|
le?vperm $IN,$IN,$IN,$lemask
|
|
vxor $zero,$zero,$zero
|
|
|
|
vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo
|
|
vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi
|
|
vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi
|
|
|
|
vpmsumd $t2,$Xl,$xC2 # 1st phase
|
|
|
|
vsldoi $t0,$Xm,$zero,8
|
|
vsldoi $t1,$zero,$Xm,8
|
|
vxor $Xl,$Xl,$t0
|
|
vxor $Xh,$Xh,$t1
|
|
|
|
vsldoi $Xl,$Xl,$Xl,8
|
|
vxor $Xl,$Xl,$t2
|
|
|
|
vsldoi $t1,$Xl,$Xl,8 # 2nd phase
|
|
vpmsumd $Xl,$Xl,$xC2
|
|
vxor $t1,$t1,$Xh
|
|
vxor $Xl,$Xl,$t1
|
|
|
|
le?vperm $Xl,$Xl,$Xl,$lemask
|
|
stvx_u $Xl,0,$Xip # write out Xi
|
|
|
|
mtspr 256,$vrsave
|
|
blr
|
|
.long 0
|
|
.byte 0,12,0x14,0,0,0,2,0
|
|
.long 0
|
|
.size .gcm_gmult_p8,.-.gcm_gmult_p8
|
|
|
|
.globl .gcm_ghash_p8
|
|
lis r0,0xfff8
|
|
li r8,0x10
|
|
mfspr $vrsave,256
|
|
li r9,0x20
|
|
mtspr 256,r0
|
|
li r10,0x30
|
|
lvx_u $Xl,0,$Xip # load Xi
|
|
|
|
lvx_u $Hl,r8,$Htbl # load pre-computed table
|
|
le?lvsl $lemask,r0,r0
|
|
lvx_u $H, r9,$Htbl
|
|
le?vspltisb $t0,0x07
|
|
lvx_u $Hh,r10,$Htbl
|
|
le?vxor $lemask,$lemask,$t0
|
|
lvx_u $xC2,0,$Htbl
|
|
le?vperm $Xl,$Xl,$Xl,$lemask
|
|
vxor $zero,$zero,$zero
|
|
|
|
lvx_u $IN,0,$inp
|
|
addi $inp,$inp,16
|
|
subi $len,$len,16
|
|
le?vperm $IN,$IN,$IN,$lemask
|
|
vxor $IN,$IN,$Xl
|
|
b Loop
|
|
|
|
.align 5
|
|
Loop:
|
|
subic $len,$len,16
|
|
vpmsumd $Xl,$IN,$Hl # H.lo·Xi.lo
|
|
subfe. r0,r0,r0 # borrow?-1:0
|
|
vpmsumd $Xm,$IN,$H # H.hi·Xi.lo+H.lo·Xi.hi
|
|
and r0,r0,$len
|
|
vpmsumd $Xh,$IN,$Hh # H.hi·Xi.hi
|
|
add $inp,$inp,r0
|
|
|
|
vpmsumd $t2,$Xl,$xC2 # 1st phase
|
|
|
|
vsldoi $t0,$Xm,$zero,8
|
|
vsldoi $t1,$zero,$Xm,8
|
|
vxor $Xl,$Xl,$t0
|
|
vxor $Xh,$Xh,$t1
|
|
|
|
vsldoi $Xl,$Xl,$Xl,8
|
|
vxor $Xl,$Xl,$t2
|
|
lvx_u $IN,0,$inp
|
|
addi $inp,$inp,16
|
|
|
|
vsldoi $t1,$Xl,$Xl,8 # 2nd phase
|
|
vpmsumd $Xl,$Xl,$xC2
|
|
le?vperm $IN,$IN,$IN,$lemask
|
|
vxor $t1,$t1,$Xh
|
|
vxor $IN,$IN,$t1
|
|
vxor $IN,$IN,$Xl
|
|
beq Loop # did $len-=16 borrow?
|
|
|
|
vxor $Xl,$Xl,$t1
|
|
le?vperm $Xl,$Xl,$Xl,$lemask
|
|
stvx_u $Xl,0,$Xip # write out Xi
|
|
|
|
mtspr 256,$vrsave
|
|
blr
|
|
.long 0
|
|
.byte 0,12,0x14,0,0,0,4,0
|
|
.long 0
|
|
.size .gcm_ghash_p8,.-.gcm_ghash_p8
|
|
|
|
.asciz "GHASH for PowerISA 2.07, CRYPTOGAMS by <appro\@openssl.org>"
|
|
.align 2
|
|
___
|
|
|
|
foreach (split("\n",$code)) {
|
|
if ($flavour =~ /le$/o) { # little-endian
|
|
s/le\?//o or
|
|
s/be\?/#be#/o;
|
|
} else {
|
|
s/le\?/#le#/o or
|
|
s/be\?//o;
|
|
}
|
|
print $_,"\n";
|
|
}
|
|
|
|
close STDOUT; # enforce flush
|