diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/aes/asm/aesni-mb-x86_64.pl')
| -rw-r--r-- | openssl-1.1.0h/crypto/aes/asm/aesni-mb-x86_64.pl | 1402 |
1 files changed, 1402 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/aes/asm/aesni-mb-x86_64.pl b/openssl-1.1.0h/crypto/aes/asm/aesni-mb-x86_64.pl new file mode 100644 index 0000000..aa2735e --- /dev/null +++ b/openssl-1.1.0h/crypto/aes/asm/aesni-mb-x86_64.pl @@ -0,0 +1,1402 @@ +#! /usr/bin/env perl +# Copyright 2013-2016 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 + + +# ==================================================================== +# 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/. +# ==================================================================== + +# Multi-buffer AES-NI procedures process several independent buffers +# in parallel by interleaving independent instructions. +# +# Cycles per byte for interleave factor 4: +# +# asymptotic measured +# --------------------------- +# Westmere 5.00/4=1.25 5.13/4=1.28 +# Atom 15.0/4=3.75 ?15.7/4=3.93 +# Sandy Bridge 5.06/4=1.27 5.18/4=1.29 +# Ivy Bridge 5.06/4=1.27 5.14/4=1.29 +# Haswell 4.44/4=1.11 4.44/4=1.11 +# Bulldozer 5.75/4=1.44 5.76/4=1.44 +# +# Cycles per byte for interleave factor 8 (not implemented for +# pre-AVX processors, where higher interleave factor incidentally +# doesn't result in improvement): +# +# asymptotic measured +# --------------------------- +# Sandy Bridge 5.06/8=0.64 7.10/8=0.89(*) +# Ivy Bridge 5.06/8=0.64 7.14/8=0.89(*) +# Haswell 5.00/8=0.63 5.00/8=0.63 +# Bulldozer 5.75/8=0.72 5.77/8=0.72 +# +# (*) Sandy/Ivy Bridge are known to handle high interleave factors +# suboptimally; + +$flavour = shift; +$output = shift; +if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } + +$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or +( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or +die "can't locate x86_64-xlate.pl"; + +$avx=0; + +if (`$ENV{CC} -Wa,-v -c -o /dev/null -x assembler /dev/null 2>&1` + =~ /GNU assembler version ([2-9]\.[0-9]+)/) { + $avx = ($1>=2.19) + ($1>=2.22); +} + +if (!$avx && $win64 && ($flavour =~ /nasm/ || $ENV{ASM} =~ /nasm/) && + `nasm -v 2>&1` =~ /NASM version ([2-9]\.[0-9]+)/) { + $avx = ($1>=2.09) + ($1>=2.10); +} + +if (!$avx && $win64 && ($flavour =~ /masm/ || $ENV{ASM} =~ /ml64/) && + `ml64 2>&1` =~ /Version ([0-9]+)\./) { + $avx = ($1>=10) + ($1>=11); +} + +if (!$avx && `$ENV{CC} -v 2>&1` =~ /((?:^clang|LLVM) version|.*based on LLVM) ([3-9]\.[0-9]+)/) { + $avx = ($2>=3.0) + ($2>3.0); +} + +open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\""; +*STDOUT=*OUT; + +# void aesni_multi_cbc_encrypt ( +# struct { void *inp,*out; int blocks; double iv[2]; } inp[8]; +# const AES_KEY *key, +# int num); /* 1 or 2 */ +# +$inp="%rdi"; # 1st arg +$key="%rsi"; # 2nd arg +$num="%edx"; + +@inptr=map("%r$_",(8..11)); +@outptr=map("%r$_",(12..15)); + +($rndkey0,$rndkey1)=("%xmm0","%xmm1"); +@out=map("%xmm$_",(2..5)); +@inp=map("%xmm$_",(6..9)); +($counters,$mask,$zero)=map("%xmm$_",(10..12)); + +($rounds,$one,$sink,$offset)=("%eax","%ecx","%rbp","%rbx"); + +$code.=<<___; +.text + +.extern OPENSSL_ia32cap_P + +.globl aesni_multi_cbc_encrypt +.type aesni_multi_cbc_encrypt,\@function,3 +.align 32 +aesni_multi_cbc_encrypt: +___ +$code.=<<___ if ($avx); + cmp \$2,$num + jb .Lenc_non_avx + mov OPENSSL_ia32cap_P+4(%rip),%ecx + test \$`1<<28`,%ecx # AVX bit + jnz _avx_cbc_enc_shortcut + jmp .Lenc_non_avx +.align 16 +.Lenc_non_avx: +___ +$code.=<<___; + mov %rsp,%rax + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0xa8(%rsp),%rsp + movaps %xmm6,(%rsp) + movaps %xmm7,0x10(%rsp) + movaps %xmm8,0x20(%rsp) + movaps %xmm9,0x30(%rsp) + movaps %xmm10,0x40(%rsp) + movaps %xmm11,0x50(%rsp) + movaps %xmm12,0x60(%rsp) + movaps %xmm13,-0x68(%rax) # not used, saved to share se_handler + movaps %xmm14,-0x58(%rax) + movaps %xmm15,-0x48(%rax) +___ +$code.=<<___; + # stack layout + # + # +0 output sink + # +16 input sink [original %rsp and $num] + # +32 counters + + sub \$48,%rsp + and \$-64,%rsp + mov %rax,16(%rsp) # original %rsp + +.Lenc4x_body: + movdqu ($key),$zero # 0-round key + lea 0x78($key),$key # size optimization + lea 40*2($inp),$inp + +.Lenc4x_loop_grande: + mov $num,24(%rsp) # original $num + xor $num,$num +___ +for($i=0;$i<4;$i++) { + $code.=<<___; + mov `40*$i+16-40*2`($inp),$one # borrow $one for number of blocks + mov `40*$i+0-40*2`($inp),@inptr[$i] + cmp $num,$one + mov `40*$i+8-40*2`($inp),@outptr[$i] + cmovg $one,$num # find maximum + test $one,$one + movdqu `40*$i+24-40*2`($inp),@out[$i] # load IV + mov $one,`32+4*$i`(%rsp) # initialize counters + cmovle %rsp,@inptr[$i] # cancel input +___ +} +$code.=<<___; + test $num,$num + jz .Lenc4x_done + + movups 0x10-0x78($key),$rndkey1 + pxor $zero,@out[0] + movups 0x20-0x78($key),$rndkey0 + pxor $zero,@out[1] + mov 0xf0-0x78($key),$rounds + pxor $zero,@out[2] + movdqu (@inptr[0]),@inp[0] # load inputs + pxor $zero,@out[3] + movdqu (@inptr[1]),@inp[1] + pxor @inp[0],@out[0] + movdqu (@inptr[2]),@inp[2] + pxor @inp[1],@out[1] + movdqu (@inptr[3]),@inp[3] + pxor @inp[2],@out[2] + pxor @inp[3],@out[3] + movdqa 32(%rsp),$counters # load counters + xor $offset,$offset + jmp .Loop_enc4x + +.align 32 +.Loop_enc4x: + add \$16,$offset + lea 16(%rsp),$sink # sink pointer + mov \$1,$one # constant of 1 + sub $offset,$sink + + aesenc $rndkey1,@out[0] + prefetcht0 31(@inptr[0],$offset) # prefetch input + prefetcht0 31(@inptr[1],$offset) + aesenc $rndkey1,@out[1] + prefetcht0 31(@inptr[2],$offset) + prefetcht0 31(@inptr[2],$offset) + aesenc $rndkey1,@out[2] + aesenc $rndkey1,@out[3] + movups 0x30-0x78($key),$rndkey1 +___ +for($i=0;$i<4;$i++) { +my $rndkey = ($i&1) ? $rndkey1 : $rndkey0; +$code.=<<___; + cmp `32+4*$i`(%rsp),$one + aesenc $rndkey,@out[0] + aesenc $rndkey,@out[1] + aesenc $rndkey,@out[2] + cmovge $sink,@inptr[$i] # cancel input + cmovg $sink,@outptr[$i] # sink output + aesenc $rndkey,@out[3] + movups `0x40+16*$i-0x78`($key),$rndkey +___ +} +$code.=<<___; + movdqa $counters,$mask + aesenc $rndkey0,@out[0] + prefetcht0 15(@outptr[0],$offset) # prefetch output + prefetcht0 15(@outptr[1],$offset) + aesenc $rndkey0,@out[1] + prefetcht0 15(@outptr[2],$offset) + prefetcht0 15(@outptr[3],$offset) + aesenc $rndkey0,@out[2] + aesenc $rndkey0,@out[3] + movups 0x80-0x78($key),$rndkey0 + pxor $zero,$zero + + aesenc $rndkey1,@out[0] + pcmpgtd $zero,$mask + movdqu -0x78($key),$zero # reload 0-round key + aesenc $rndkey1,@out[1] + paddd $mask,$counters # decrement counters + movdqa $counters,32(%rsp) # update counters + aesenc $rndkey1,@out[2] + aesenc $rndkey1,@out[3] + movups 0x90-0x78($key),$rndkey1 + + cmp \$11,$rounds + + aesenc $rndkey0,@out[0] + aesenc $rndkey0,@out[1] + aesenc $rndkey0,@out[2] + aesenc $rndkey0,@out[3] + movups 0xa0-0x78($key),$rndkey0 + + jb .Lenc4x_tail + + aesenc $rndkey1,@out[0] + aesenc $rndkey1,@out[1] + aesenc $rndkey1,@out[2] + aesenc $rndkey1,@out[3] + movups 0xb0-0x78($key),$rndkey1 + + aesenc $rndkey0,@out[0] + aesenc $rndkey0,@out[1] + aesenc $rndkey0,@out[2] + aesenc $rndkey0,@out[3] + movups 0xc0-0x78($key),$rndkey0 + + je .Lenc4x_tail + + aesenc $rndkey1,@out[0] + aesenc $rndkey1,@out[1] + aesenc $rndkey1,@out[2] + aesenc $rndkey1,@out[3] + movups 0xd0-0x78($key),$rndkey1 + + aesenc $rndkey0,@out[0] + aesenc $rndkey0,@out[1] + aesenc $rndkey0,@out[2] + aesenc $rndkey0,@out[3] + movups 0xe0-0x78($key),$rndkey0 + jmp .Lenc4x_tail + +.align 32 +.Lenc4x_tail: + aesenc $rndkey1,@out[0] + aesenc $rndkey1,@out[1] + aesenc $rndkey1,@out[2] + aesenc $rndkey1,@out[3] + movdqu (@inptr[0],$offset),@inp[0] + movdqu 0x10-0x78($key),$rndkey1 + + aesenclast $rndkey0,@out[0] + movdqu (@inptr[1],$offset),@inp[1] + pxor $zero,@inp[0] + aesenclast $rndkey0,@out[1] + movdqu (@inptr[2],$offset),@inp[2] + pxor $zero,@inp[1] + aesenclast $rndkey0,@out[2] + movdqu (@inptr[3],$offset),@inp[3] + pxor $zero,@inp[2] + aesenclast $rndkey0,@out[3] + movdqu 0x20-0x78($key),$rndkey0 + pxor $zero,@inp[3] + + movups @out[0],-16(@outptr[0],$offset) + pxor @inp[0],@out[0] + movups @out[1],-16(@outptr[1],$offset) + pxor @inp[1],@out[1] + movups @out[2],-16(@outptr[2],$offset) + pxor @inp[2],@out[2] + movups @out[3],-16(@outptr[3],$offset) + pxor @inp[3],@out[3] + + dec $num + jnz .Loop_enc4x + + mov 16(%rsp),%rax # original %rsp + mov 24(%rsp),$num + + #pxor @inp[0],@out[0] + #pxor @inp[1],@out[1] + #movdqu @out[0],`40*0+24-40*2`($inp) # output iv FIX ME! + #pxor @inp[2],@out[2] + #movdqu @out[1],`40*1+24-40*2`($inp) + #pxor @inp[3],@out[3] + #movdqu @out[2],`40*2+24-40*2`($inp) # won't fix, let caller + #movdqu @out[3],`40*3+24-40*2`($inp) # figure this out... + + lea `40*4`($inp),$inp + dec $num + jnz .Lenc4x_loop_grande + +.Lenc4x_done: +___ +$code.=<<___ if ($win64); + movaps -0xd8(%rax),%xmm6 + movaps -0xc8(%rax),%xmm7 + movaps -0xb8(%rax),%xmm8 + movaps -0xa8(%rax),%xmm9 + movaps -0x98(%rax),%xmm10 + movaps -0x88(%rax),%xmm11 + movaps -0x78(%rax),%xmm12 + #movaps -0x68(%rax),%xmm13 + #movaps -0x58(%rax),%xmm14 + #movaps -0x48(%rax),%xmm15 +___ +$code.=<<___; + mov -48(%rax),%r15 + mov -40(%rax),%r14 + mov -32(%rax),%r13 + mov -24(%rax),%r12 + mov -16(%rax),%rbp + mov -8(%rax),%rbx + lea (%rax),%rsp +.Lenc4x_epilogue: + ret +.size aesni_multi_cbc_encrypt,.-aesni_multi_cbc_encrypt + +.globl aesni_multi_cbc_decrypt +.type aesni_multi_cbc_decrypt,\@function,3 +.align 32 +aesni_multi_cbc_decrypt: +___ +$code.=<<___ if ($avx); + cmp \$2,$num + jb .Ldec_non_avx + mov OPENSSL_ia32cap_P+4(%rip),%ecx + test \$`1<<28`,%ecx # AVX bit + jnz _avx_cbc_dec_shortcut + jmp .Ldec_non_avx +.align 16 +.Ldec_non_avx: +___ +$code.=<<___; + mov %rsp,%rax + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0xa8(%rsp),%rsp + movaps %xmm6,(%rsp) + movaps %xmm7,0x10(%rsp) + movaps %xmm8,0x20(%rsp) + movaps %xmm9,0x30(%rsp) + movaps %xmm10,0x40(%rsp) + movaps %xmm11,0x50(%rsp) + movaps %xmm12,0x60(%rsp) + movaps %xmm13,-0x68(%rax) # not used, saved to share se_handler + movaps %xmm14,-0x58(%rax) + movaps %xmm15,-0x48(%rax) +___ +$code.=<<___; + # stack layout + # + # +0 output sink + # +16 input sink [original %rsp and $num] + # +32 counters + + sub \$48,%rsp + and \$-64,%rsp + mov %rax,16(%rsp) # original %rsp + +.Ldec4x_body: + movdqu ($key),$zero # 0-round key + lea 0x78($key),$key # size optimization + lea 40*2($inp),$inp + +.Ldec4x_loop_grande: + mov $num,24(%rsp) # original $num + xor $num,$num +___ +for($i=0;$i<4;$i++) { + $code.=<<___; + mov `40*$i+16-40*2`($inp),$one # borrow $one for number of blocks + mov `40*$i+0-40*2`($inp),@inptr[$i] + cmp $num,$one + mov `40*$i+8-40*2`($inp),@outptr[$i] + cmovg $one,$num # find maximum + test $one,$one + movdqu `40*$i+24-40*2`($inp),@inp[$i] # load IV + mov $one,`32+4*$i`(%rsp) # initialize counters + cmovle %rsp,@inptr[$i] # cancel input +___ +} +$code.=<<___; + test $num,$num + jz .Ldec4x_done + + movups 0x10-0x78($key),$rndkey1 + movups 0x20-0x78($key),$rndkey0 + mov 0xf0-0x78($key),$rounds + movdqu (@inptr[0]),@out[0] # load inputs + movdqu (@inptr[1]),@out[1] + pxor $zero,@out[0] + movdqu (@inptr[2]),@out[2] + pxor $zero,@out[1] + movdqu (@inptr[3]),@out[3] + pxor $zero,@out[2] + pxor $zero,@out[3] + movdqa 32(%rsp),$counters # load counters + xor $offset,$offset + jmp .Loop_dec4x + +.align 32 +.Loop_dec4x: + add \$16,$offset + lea 16(%rsp),$sink # sink pointer + mov \$1,$one # constant of 1 + sub $offset,$sink + + aesdec $rndkey1,@out[0] + prefetcht0 31(@inptr[0],$offset) # prefetch input + prefetcht0 31(@inptr[1],$offset) + aesdec $rndkey1,@out[1] + prefetcht0 31(@inptr[2],$offset) + prefetcht0 31(@inptr[3],$offset) + aesdec $rndkey1,@out[2] + aesdec $rndkey1,@out[3] + movups 0x30-0x78($key),$rndkey1 +___ +for($i=0;$i<4;$i++) { +my $rndkey = ($i&1) ? $rndkey1 : $rndkey0; +$code.=<<___; + cmp `32+4*$i`(%rsp),$one + aesdec $rndkey,@out[0] + aesdec $rndkey,@out[1] + aesdec $rndkey,@out[2] + cmovge $sink,@inptr[$i] # cancel input + cmovg $sink,@outptr[$i] # sink output + aesdec $rndkey,@out[3] + movups `0x40+16*$i-0x78`($key),$rndkey +___ +} +$code.=<<___; + movdqa $counters,$mask + aesdec $rndkey0,@out[0] + prefetcht0 15(@outptr[0],$offset) # prefetch output + prefetcht0 15(@outptr[1],$offset) + aesdec $rndkey0,@out[1] + prefetcht0 15(@outptr[2],$offset) + prefetcht0 15(@outptr[3],$offset) + aesdec $rndkey0,@out[2] + aesdec $rndkey0,@out[3] + movups 0x80-0x78($key),$rndkey0 + pxor $zero,$zero + + aesdec $rndkey1,@out[0] + pcmpgtd $zero,$mask + movdqu -0x78($key),$zero # reload 0-round key + aesdec $rndkey1,@out[1] + paddd $mask,$counters # decrement counters + movdqa $counters,32(%rsp) # update counters + aesdec $rndkey1,@out[2] + aesdec $rndkey1,@out[3] + movups 0x90-0x78($key),$rndkey1 + + cmp \$11,$rounds + + aesdec $rndkey0,@out[0] + aesdec $rndkey0,@out[1] + aesdec $rndkey0,@out[2] + aesdec $rndkey0,@out[3] + movups 0xa0-0x78($key),$rndkey0 + + jb .Ldec4x_tail + + aesdec $rndkey1,@out[0] + aesdec $rndkey1,@out[1] + aesdec $rndkey1,@out[2] + aesdec $rndkey1,@out[3] + movups 0xb0-0x78($key),$rndkey1 + + aesdec $rndkey0,@out[0] + aesdec $rndkey0,@out[1] + aesdec $rndkey0,@out[2] + aesdec $rndkey0,@out[3] + movups 0xc0-0x78($key),$rndkey0 + + je .Ldec4x_tail + + aesdec $rndkey1,@out[0] + aesdec $rndkey1,@out[1] + aesdec $rndkey1,@out[2] + aesdec $rndkey1,@out[3] + movups 0xd0-0x78($key),$rndkey1 + + aesdec $rndkey0,@out[0] + aesdec $rndkey0,@out[1] + aesdec $rndkey0,@out[2] + aesdec $rndkey0,@out[3] + movups 0xe0-0x78($key),$rndkey0 + jmp .Ldec4x_tail + +.align 32 +.Ldec4x_tail: + aesdec $rndkey1,@out[0] + aesdec $rndkey1,@out[1] + aesdec $rndkey1,@out[2] + pxor $rndkey0,@inp[0] + pxor $rndkey0,@inp[1] + aesdec $rndkey1,@out[3] + movdqu 0x10-0x78($key),$rndkey1 + pxor $rndkey0,@inp[2] + pxor $rndkey0,@inp[3] + movdqu 0x20-0x78($key),$rndkey0 + + aesdeclast @inp[0],@out[0] + aesdeclast @inp[1],@out[1] + movdqu -16(@inptr[0],$offset),@inp[0] # load next IV + movdqu -16(@inptr[1],$offset),@inp[1] + aesdeclast @inp[2],@out[2] + aesdeclast @inp[3],@out[3] + movdqu -16(@inptr[2],$offset),@inp[2] + movdqu -16(@inptr[3],$offset),@inp[3] + + movups @out[0],-16(@outptr[0],$offset) + movdqu (@inptr[0],$offset),@out[0] + movups @out[1],-16(@outptr[1],$offset) + movdqu (@inptr[1],$offset),@out[1] + pxor $zero,@out[0] + movups @out[2],-16(@outptr[2],$offset) + movdqu (@inptr[2],$offset),@out[2] + pxor $zero,@out[1] + movups @out[3],-16(@outptr[3],$offset) + movdqu (@inptr[3],$offset),@out[3] + pxor $zero,@out[2] + pxor $zero,@out[3] + + dec $num + jnz .Loop_dec4x + + mov 16(%rsp),%rax # original %rsp + mov 24(%rsp),$num + + lea `40*4`($inp),$inp + dec $num + jnz .Ldec4x_loop_grande + +.Ldec4x_done: +___ +$code.=<<___ if ($win64); + movaps -0xd8(%rax),%xmm6 + movaps -0xc8(%rax),%xmm7 + movaps -0xb8(%rax),%xmm8 + movaps -0xa8(%rax),%xmm9 + movaps -0x98(%rax),%xmm10 + movaps -0x88(%rax),%xmm11 + movaps -0x78(%rax),%xmm12 + #movaps -0x68(%rax),%xmm13 + #movaps -0x58(%rax),%xmm14 + #movaps -0x48(%rax),%xmm15 +___ +$code.=<<___; + mov -48(%rax),%r15 + mov -40(%rax),%r14 + mov -32(%rax),%r13 + mov -24(%rax),%r12 + mov -16(%rax),%rbp + mov -8(%rax),%rbx + lea (%rax),%rsp +.Ldec4x_epilogue: + ret +.size aesni_multi_cbc_decrypt,.-aesni_multi_cbc_decrypt +___ + + if ($avx) {{{ +my @ptr=map("%r$_",(8..15)); +my $offload=$sink; + +my @out=map("%xmm$_",(2..9)); +my @inp=map("%xmm$_",(10..13)); +my ($counters,$zero)=("%xmm14","%xmm15"); + +$code.=<<___; +.type aesni_multi_cbc_encrypt_avx,\@function,3 +.align 32 +aesni_multi_cbc_encrypt_avx: +_avx_cbc_enc_shortcut: + mov %rsp,%rax + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0xa8(%rsp),%rsp + movaps %xmm6,(%rsp) + movaps %xmm7,0x10(%rsp) + movaps %xmm8,0x20(%rsp) + movaps %xmm9,0x30(%rsp) + movaps %xmm10,0x40(%rsp) + movaps %xmm11,0x50(%rsp) + movaps %xmm12,-0x78(%rax) + movaps %xmm13,-0x68(%rax) + movaps %xmm14,-0x58(%rax) + movaps %xmm15,-0x48(%rax) +___ +$code.=<<___; + # stack layout + # + # +0 output sink + # +16 input sink [original %rsp and $num] + # +32 counters + # +64 distances between inputs and outputs + # +128 off-load area for @inp[0..3] + + sub \$192,%rsp + and \$-128,%rsp + mov %rax,16(%rsp) # original %rsp + +.Lenc8x_body: + vzeroupper + vmovdqu ($key),$zero # 0-round key + lea 0x78($key),$key # size optimization + lea 40*4($inp),$inp + shr \$1,$num + +.Lenc8x_loop_grande: + #mov $num,24(%rsp) # original $num + xor $num,$num +___ +for($i=0;$i<8;$i++) { + my $temp = $i ? $offload : $offset; + $code.=<<___; + mov `40*$i+16-40*4`($inp),$one # borrow $one for number of blocks + mov `40*$i+0-40*4`($inp),@ptr[$i] # input pointer + cmp $num,$one + mov `40*$i+8-40*4`($inp),$temp # output pointer + cmovg $one,$num # find maximum + test $one,$one + vmovdqu `40*$i+24-40*4`($inp),@out[$i] # load IV + mov $one,`32+4*$i`(%rsp) # initialize counters + cmovle %rsp,@ptr[$i] # cancel input + sub @ptr[$i],$temp # distance between input and output + mov $temp,`64+8*$i`(%rsp) # initialize distances +___ +} +$code.=<<___; + test $num,$num + jz .Lenc8x_done + + vmovups 0x10-0x78($key),$rndkey1 + vmovups 0x20-0x78($key),$rndkey0 + mov 0xf0-0x78($key),$rounds + + vpxor (@ptr[0]),$zero,@inp[0] # load inputs and xor with 0-round + lea 128(%rsp),$offload # offload area + vpxor (@ptr[1]),$zero,@inp[1] + vpxor (@ptr[2]),$zero,@inp[2] + vpxor (@ptr[3]),$zero,@inp[3] + vpxor @inp[0],@out[0],@out[0] + vpxor (@ptr[4]),$zero,@inp[0] + vpxor @inp[1],@out[1],@out[1] + vpxor (@ptr[5]),$zero,@inp[1] + vpxor @inp[2],@out[2],@out[2] + vpxor (@ptr[6]),$zero,@inp[2] + vpxor @inp[3],@out[3],@out[3] + vpxor (@ptr[7]),$zero,@inp[3] + vpxor @inp[0],@out[4],@out[4] + mov \$1,$one # constant of 1 + vpxor @inp[1],@out[5],@out[5] + vpxor @inp[2],@out[6],@out[6] + vpxor @inp[3],@out[7],@out[7] + jmp .Loop_enc8x + +.align 32 +.Loop_enc8x: +___ +for($i=0;$i<8;$i++) { +my $rndkey=($i&1)?$rndkey0:$rndkey1; +$code.=<<___; + vaesenc $rndkey,@out[0],@out[0] + cmp 32+4*$i(%rsp),$one +___ +$code.=<<___ if ($i); + mov 64+8*$i(%rsp),$offset +___ +$code.=<<___; + vaesenc $rndkey,@out[1],@out[1] + prefetcht0 31(@ptr[$i]) # prefetch input + vaesenc $rndkey,@out[2],@out[2] +___ +$code.=<<___ if ($i>1); + prefetcht0 15(@ptr[$i-2]) # prefetch output +___ +$code.=<<___; + vaesenc $rndkey,@out[3],@out[3] + lea (@ptr[$i],$offset),$offset + cmovge %rsp,@ptr[$i] # cancel input + vaesenc $rndkey,@out[4],@out[4] + cmovg %rsp,$offset # sink output + vaesenc $rndkey,@out[5],@out[5] + sub @ptr[$i],$offset + vaesenc $rndkey,@out[6],@out[6] + vpxor 16(@ptr[$i]),$zero,@inp[$i%4] # load input and xor with 0-round + mov $offset,64+8*$i(%rsp) + vaesenc $rndkey,@out[7],@out[7] + vmovups `16*(3+$i)-0x78`($key),$rndkey + lea 16(@ptr[$i],$offset),@ptr[$i] # switch to output +___ +$code.=<<___ if ($i<4) + vmovdqu @inp[$i%4],`16*$i`($offload) # off-load +___ +} +$code.=<<___; + vmovdqu 32(%rsp),$counters + prefetcht0 15(@ptr[$i-2]) # prefetch output + prefetcht0 15(@ptr[$i-1]) + cmp \$11,$rounds + jb .Lenc8x_tail + + vaesenc $rndkey1,@out[0],@out[0] + vaesenc $rndkey1,@out[1],@out[1] + vaesenc $rndkey1,@out[2],@out[2] + vaesenc $rndkey1,@out[3],@out[3] + vaesenc $rndkey1,@out[4],@out[4] + vaesenc $rndkey1,@out[5],@out[5] + vaesenc $rndkey1,@out[6],@out[6] + vaesenc $rndkey1,@out[7],@out[7] + vmovups 0xb0-0x78($key),$rndkey1 + + vaesenc $rndkey0,@out[0],@out[0] + vaesenc $rndkey0,@out[1],@out[1] + vaesenc $rndkey0,@out[2],@out[2] + vaesenc $rndkey0,@out[3],@out[3] + vaesenc $rndkey0,@out[4],@out[4] + vaesenc $rndkey0,@out[5],@out[5] + vaesenc $rndkey0,@out[6],@out[6] + vaesenc $rndkey0,@out[7],@out[7] + vmovups 0xc0-0x78($key),$rndkey0 + je .Lenc8x_tail + + vaesenc $rndkey1,@out[0],@out[0] + vaesenc $rndkey1,@out[1],@out[1] + vaesenc $rndkey1,@out[2],@out[2] + vaesenc $rndkey1,@out[3],@out[3] + vaesenc $rndkey1,@out[4],@out[4] + vaesenc $rndkey1,@out[5],@out[5] + vaesenc $rndkey1,@out[6],@out[6] + vaesenc $rndkey1,@out[7],@out[7] + vmovups 0xd0-0x78($key),$rndkey1 + + vaesenc $rndkey0,@out[0],@out[0] + vaesenc $rndkey0,@out[1],@out[1] + vaesenc $rndkey0,@out[2],@out[2] + vaesenc $rndkey0,@out[3],@out[3] + vaesenc $rndkey0,@out[4],@out[4] + vaesenc $rndkey0,@out[5],@out[5] + vaesenc $rndkey0,@out[6],@out[6] + vaesenc $rndkey0,@out[7],@out[7] + vmovups 0xe0-0x78($key),$rndkey0 + +.Lenc8x_tail: + vaesenc $rndkey1,@out[0],@out[0] + vpxor $zero,$zero,$zero + vaesenc $rndkey1,@out[1],@out[1] + vaesenc $rndkey1,@out[2],@out[2] + vpcmpgtd $zero,$counters,$zero + vaesenc $rndkey1,@out[3],@out[3] + vaesenc $rndkey1,@out[4],@out[4] + vpaddd $counters,$zero,$zero # decrement counters + vmovdqu 48(%rsp),$counters + vaesenc $rndkey1,@out[5],@out[5] + mov 64(%rsp),$offset # pre-load 1st offset + vaesenc $rndkey1,@out[6],@out[6] + vaesenc $rndkey1,@out[7],@out[7] + vmovups 0x10-0x78($key),$rndkey1 + + vaesenclast $rndkey0,@out[0],@out[0] + vmovdqa $zero,32(%rsp) # update counters + vpxor $zero,$zero,$zero + vaesenclast $rndkey0,@out[1],@out[1] + vaesenclast $rndkey0,@out[2],@out[2] + vpcmpgtd $zero,$counters,$zero + vaesenclast $rndkey0,@out[3],@out[3] + vaesenclast $rndkey0,@out[4],@out[4] + vpaddd $zero,$counters,$counters # decrement counters + vmovdqu -0x78($key),$zero # 0-round + vaesenclast $rndkey0,@out[5],@out[5] + vaesenclast $rndkey0,@out[6],@out[6] + vmovdqa $counters,48(%rsp) # update counters + vaesenclast $rndkey0,@out[7],@out[7] + vmovups 0x20-0x78($key),$rndkey0 + + vmovups @out[0],-16(@ptr[0]) # write output + sub $offset,@ptr[0] # switch to input + vpxor 0x00($offload),@out[0],@out[0] + vmovups @out[1],-16(@ptr[1]) + sub `64+1*8`(%rsp),@ptr[1] + vpxor 0x10($offload),@out[1],@out[1] + vmovups @out[2],-16(@ptr[2]) + sub `64+2*8`(%rsp),@ptr[2] + vpxor 0x20($offload),@out[2],@out[2] + vmovups @out[3],-16(@ptr[3]) + sub `64+3*8`(%rsp),@ptr[3] + vpxor 0x30($offload),@out[3],@out[3] + vmovups @out[4],-16(@ptr[4]) + sub `64+4*8`(%rsp),@ptr[4] + vpxor @inp[0],@out[4],@out[4] + vmovups @out[5],-16(@ptr[5]) + sub `64+5*8`(%rsp),@ptr[5] + vpxor @inp[1],@out[5],@out[5] + vmovups @out[6],-16(@ptr[6]) + sub `64+6*8`(%rsp),@ptr[6] + vpxor @inp[2],@out[6],@out[6] + vmovups @out[7],-16(@ptr[7]) + sub `64+7*8`(%rsp),@ptr[7] + vpxor @inp[3],@out[7],@out[7] + + dec $num + jnz .Loop_enc8x + + mov 16(%rsp),%rax # original %rsp + #mov 24(%rsp),$num + #lea `40*8`($inp),$inp + #dec $num + #jnz .Lenc8x_loop_grande + +.Lenc8x_done: + vzeroupper +___ +$code.=<<___ if ($win64); + movaps -0xd8(%rax),%xmm6 + movaps -0xc8(%rax),%xmm7 + movaps -0xb8(%rax),%xmm8 + movaps -0xa8(%rax),%xmm9 + movaps -0x98(%rax),%xmm10 + movaps -0x88(%rax),%xmm11 + movaps -0x78(%rax),%xmm12 + movaps -0x68(%rax),%xmm13 + movaps -0x58(%rax),%xmm14 + movaps -0x48(%rax),%xmm15 +___ +$code.=<<___; + mov -48(%rax),%r15 + mov -40(%rax),%r14 + mov -32(%rax),%r13 + mov -24(%rax),%r12 + mov -16(%rax),%rbp + mov -8(%rax),%rbx + lea (%rax),%rsp +.Lenc8x_epilogue: + ret +.size aesni_multi_cbc_encrypt_avx,.-aesni_multi_cbc_encrypt_avx + +.type aesni_multi_cbc_decrypt_avx,\@function,3 +.align 32 +aesni_multi_cbc_decrypt_avx: +_avx_cbc_dec_shortcut: + mov %rsp,%rax + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0xa8(%rsp),%rsp + movaps %xmm6,(%rsp) + movaps %xmm7,0x10(%rsp) + movaps %xmm8,0x20(%rsp) + movaps %xmm9,0x30(%rsp) + movaps %xmm10,0x40(%rsp) + movaps %xmm11,0x50(%rsp) + movaps %xmm12,-0x78(%rax) + movaps %xmm13,-0x68(%rax) + movaps %xmm14,-0x58(%rax) + movaps %xmm15,-0x48(%rax) +___ +$code.=<<___; + # stack layout + # + # +0 output sink + # +16 input sink [original %rsp and $num] + # +32 counters + # +64 distances between inputs and outputs + # +128 off-load area for @inp[0..3] + # +192 IV/input offload + + sub \$256,%rsp + and \$-256,%rsp + sub \$192,%rsp + mov %rax,16(%rsp) # original %rsp + +.Ldec8x_body: + vzeroupper + vmovdqu ($key),$zero # 0-round key + lea 0x78($key),$key # size optimization + lea 40*4($inp),$inp + shr \$1,$num + +.Ldec8x_loop_grande: + #mov $num,24(%rsp) # original $num + xor $num,$num +___ +for($i=0;$i<8;$i++) { + my $temp = $i ? $offload : $offset; + $code.=<<___; + mov `40*$i+16-40*4`($inp),$one # borrow $one for number of blocks + mov `40*$i+0-40*4`($inp),@ptr[$i] # input pointer + cmp $num,$one + mov `40*$i+8-40*4`($inp),$temp # output pointer + cmovg $one,$num # find maximum + test $one,$one + vmovdqu `40*$i+24-40*4`($inp),@out[$i] # load IV + mov $one,`32+4*$i`(%rsp) # initialize counters + cmovle %rsp,@ptr[$i] # cancel input + sub @ptr[$i],$temp # distance between input and output + mov $temp,`64+8*$i`(%rsp) # initialize distances + vmovdqu @out[$i],`192+16*$i`(%rsp) # offload IV +___ +} +$code.=<<___; + test $num,$num + jz .Ldec8x_done + + vmovups 0x10-0x78($key),$rndkey1 + vmovups 0x20-0x78($key),$rndkey0 + mov 0xf0-0x78($key),$rounds + lea 192+128(%rsp),$offload # offload area + + vmovdqu (@ptr[0]),@out[0] # load inputs + vmovdqu (@ptr[1]),@out[1] + vmovdqu (@ptr[2]),@out[2] + vmovdqu (@ptr[3]),@out[3] + vmovdqu (@ptr[4]),@out[4] + vmovdqu (@ptr[5]),@out[5] + vmovdqu (@ptr[6]),@out[6] + vmovdqu (@ptr[7]),@out[7] + vmovdqu @out[0],0x00($offload) # offload inputs + vpxor $zero,@out[0],@out[0] # xor inputs with 0-round + vmovdqu @out[1],0x10($offload) + vpxor $zero,@out[1],@out[1] + vmovdqu @out[2],0x20($offload) + vpxor $zero,@out[2],@out[2] + vmovdqu @out[3],0x30($offload) + vpxor $zero,@out[3],@out[3] + vmovdqu @out[4],0x40($offload) + vpxor $zero,@out[4],@out[4] + vmovdqu @out[5],0x50($offload) + vpxor $zero,@out[5],@out[5] + vmovdqu @out[6],0x60($offload) + vpxor $zero,@out[6],@out[6] + vmovdqu @out[7],0x70($offload) + vpxor $zero,@out[7],@out[7] + xor \$0x80,$offload + mov \$1,$one # constant of 1 + jmp .Loop_dec8x + +.align 32 +.Loop_dec8x: +___ +for($i=0;$i<8;$i++) { +my $rndkey=($i&1)?$rndkey0:$rndkey1; +$code.=<<___; + vaesdec $rndkey,@out[0],@out[0] + cmp 32+4*$i(%rsp),$one +___ +$code.=<<___ if ($i); + mov 64+8*$i(%rsp),$offset +___ +$code.=<<___; + vaesdec $rndkey,@out[1],@out[1] + prefetcht0 31(@ptr[$i]) # prefetch input + vaesdec $rndkey,@out[2],@out[2] +___ +$code.=<<___ if ($i>1); + prefetcht0 15(@ptr[$i-2]) # prefetch output +___ +$code.=<<___; + vaesdec $rndkey,@out[3],@out[3] + lea (@ptr[$i],$offset),$offset + cmovge %rsp,@ptr[$i] # cancel input + vaesdec $rndkey,@out[4],@out[4] + cmovg %rsp,$offset # sink output + vaesdec $rndkey,@out[5],@out[5] + sub @ptr[$i],$offset + vaesdec $rndkey,@out[6],@out[6] + vmovdqu 16(@ptr[$i]),@inp[$i%4] # load input + mov $offset,64+8*$i(%rsp) + vaesdec $rndkey,@out[7],@out[7] + vmovups `16*(3+$i)-0x78`($key),$rndkey + lea 16(@ptr[$i],$offset),@ptr[$i] # switch to output +___ +$code.=<<___ if ($i<4); + vmovdqu @inp[$i%4],`128+16*$i`(%rsp) # off-load +___ +} +$code.=<<___; + vmovdqu 32(%rsp),$counters + prefetcht0 15(@ptr[$i-2]) # prefetch output + prefetcht0 15(@ptr[$i-1]) + cmp \$11,$rounds + jb .Ldec8x_tail + + vaesdec $rndkey1,@out[0],@out[0] + vaesdec $rndkey1,@out[1],@out[1] + vaesdec $rndkey1,@out[2],@out[2] + vaesdec $rndkey1,@out[3],@out[3] + vaesdec $rndkey1,@out[4],@out[4] + vaesdec $rndkey1,@out[5],@out[5] + vaesdec $rndkey1,@out[6],@out[6] + vaesdec $rndkey1,@out[7],@out[7] + vmovups 0xb0-0x78($key),$rndkey1 + + vaesdec $rndkey0,@out[0],@out[0] + vaesdec $rndkey0,@out[1],@out[1] + vaesdec $rndkey0,@out[2],@out[2] + vaesdec $rndkey0,@out[3],@out[3] + vaesdec $rndkey0,@out[4],@out[4] + vaesdec $rndkey0,@out[5],@out[5] + vaesdec $rndkey0,@out[6],@out[6] + vaesdec $rndkey0,@out[7],@out[7] + vmovups 0xc0-0x78($key),$rndkey0 + je .Ldec8x_tail + + vaesdec $rndkey1,@out[0],@out[0] + vaesdec $rndkey1,@out[1],@out[1] + vaesdec $rndkey1,@out[2],@out[2] + vaesdec $rndkey1,@out[3],@out[3] + vaesdec $rndkey1,@out[4],@out[4] + vaesdec $rndkey1,@out[5],@out[5] + vaesdec $rndkey1,@out[6],@out[6] + vaesdec $rndkey1,@out[7],@out[7] + vmovups 0xd0-0x78($key),$rndkey1 + + vaesdec $rndkey0,@out[0],@out[0] + vaesdec $rndkey0,@out[1],@out[1] + vaesdec $rndkey0,@out[2],@out[2] + vaesdec $rndkey0,@out[3],@out[3] + vaesdec $rndkey0,@out[4],@out[4] + vaesdec $rndkey0,@out[5],@out[5] + vaesdec $rndkey0,@out[6],@out[6] + vaesdec $rndkey0,@out[7],@out[7] + vmovups 0xe0-0x78($key),$rndkey0 + +.Ldec8x_tail: + vaesdec $rndkey1,@out[0],@out[0] + vpxor $zero,$zero,$zero + vaesdec $rndkey1,@out[1],@out[1] + vaesdec $rndkey1,@out[2],@out[2] + vpcmpgtd $zero,$counters,$zero + vaesdec $rndkey1,@out[3],@out[3] + vaesdec $rndkey1,@out[4],@out[4] + vpaddd $counters,$zero,$zero # decrement counters + vmovdqu 48(%rsp),$counters + vaesdec $rndkey1,@out[5],@out[5] + mov 64(%rsp),$offset # pre-load 1st offset + vaesdec $rndkey1,@out[6],@out[6] + vaesdec $rndkey1,@out[7],@out[7] + vmovups 0x10-0x78($key),$rndkey1 + + vaesdeclast $rndkey0,@out[0],@out[0] + vmovdqa $zero,32(%rsp) # update counters + vpxor $zero,$zero,$zero + vaesdeclast $rndkey0,@out[1],@out[1] + vpxor 0x00($offload),@out[0],@out[0] # xor with IV + vaesdeclast $rndkey0,@out[2],@out[2] + vpxor 0x10($offload),@out[1],@out[1] + vpcmpgtd $zero,$counters,$zero + vaesdeclast $rndkey0,@out[3],@out[3] + vpxor 0x20($offload),@out[2],@out[2] + vaesdeclast $rndkey0,@out[4],@out[4] + vpxor 0x30($offload),@out[3],@out[3] + vpaddd $zero,$counters,$counters # decrement counters + vmovdqu -0x78($key),$zero # 0-round + vaesdeclast $rndkey0,@out[5],@out[5] + vpxor 0x40($offload),@out[4],@out[4] + vaesdeclast $rndkey0,@out[6],@out[6] + vpxor 0x50($offload),@out[5],@out[5] + vmovdqa $counters,48(%rsp) # update counters + vaesdeclast $rndkey0,@out[7],@out[7] + vpxor 0x60($offload),@out[6],@out[6] + vmovups 0x20-0x78($key),$rndkey0 + + vmovups @out[0],-16(@ptr[0]) # write output + sub $offset,@ptr[0] # switch to input + vmovdqu 128+0(%rsp),@out[0] + vpxor 0x70($offload),@out[7],@out[7] + vmovups @out[1],-16(@ptr[1]) + sub `64+1*8`(%rsp),@ptr[1] + vmovdqu @out[0],0x00($offload) + vpxor $zero,@out[0],@out[0] + vmovdqu 128+16(%rsp),@out[1] + vmovups @out[2],-16(@ptr[2]) + sub `64+2*8`(%rsp),@ptr[2] + vmovdqu @out[1],0x10($offload) + vpxor $zero,@out[1],@out[1] + vmovdqu 128+32(%rsp),@out[2] + vmovups @out[3],-16(@ptr[3]) + sub `64+3*8`(%rsp),@ptr[3] + vmovdqu @out[2],0x20($offload) + vpxor $zero,@out[2],@out[2] + vmovdqu 128+48(%rsp),@out[3] + vmovups @out[4],-16(@ptr[4]) + sub `64+4*8`(%rsp),@ptr[4] + vmovdqu @out[3],0x30($offload) + vpxor $zero,@out[3],@out[3] + vmovdqu @inp[0],0x40($offload) + vpxor @inp[0],$zero,@out[4] + vmovups @out[5],-16(@ptr[5]) + sub `64+5*8`(%rsp),@ptr[5] + vmovdqu @inp[1],0x50($offload) + vpxor @inp[1],$zero,@out[5] + vmovups @out[6],-16(@ptr[6]) + sub `64+6*8`(%rsp),@ptr[6] + vmovdqu @inp[2],0x60($offload) + vpxor @inp[2],$zero,@out[6] + vmovups @out[7],-16(@ptr[7]) + sub `64+7*8`(%rsp),@ptr[7] + vmovdqu @inp[3],0x70($offload) + vpxor @inp[3],$zero,@out[7] + + xor \$128,$offload + dec $num + jnz .Loop_dec8x + + mov 16(%rsp),%rax # original %rsp + #mov 24(%rsp),$num + #lea `40*8`($inp),$inp + #dec $num + #jnz .Ldec8x_loop_grande + +.Ldec8x_done: + vzeroupper +___ +$code.=<<___ if ($win64); + movaps -0xd8(%rax),%xmm6 + movaps -0xc8(%rax),%xmm7 + movaps -0xb8(%rax),%xmm8 + movaps -0xa8(%rax),%xmm9 + movaps -0x98(%rax),%xmm10 + movaps -0x88(%rax),%xmm11 + movaps -0x78(%rax),%xmm12 + movaps -0x68(%rax),%xmm13 + movaps -0x58(%rax),%xmm14 + movaps -0x48(%rax),%xmm15 +___ +$code.=<<___; + mov -48(%rax),%r15 + mov -40(%rax),%r14 + mov -32(%rax),%r13 + mov -24(%rax),%r12 + mov -16(%rax),%rbp + mov -8(%rax),%rbx + lea (%rax),%rsp +.Ldec8x_epilogue: + ret +.size aesni_multi_cbc_decrypt_avx,.-aesni_multi_cbc_decrypt_avx +___ + }}} + +if ($win64) { +# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, +# CONTEXT *context,DISPATCHER_CONTEXT *disp) +$rec="%rcx"; +$frame="%rdx"; +$context="%r8"; +$disp="%r9"; + +$code.=<<___; +.extern __imp_RtlVirtualUnwind +.type se_handler,\@abi-omnipotent +.align 16 +se_handler: + push %rsi + push %rdi + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + pushfq + sub \$64,%rsp + + mov 120($context),%rax # pull context->Rax + mov 248($context),%rbx # pull context->Rip + + mov 8($disp),%rsi # disp->ImageBase + mov 56($disp),%r11 # disp->HandlerData + + mov 0(%r11),%r10d # HandlerData[0] + lea (%rsi,%r10),%r10 # prologue label + cmp %r10,%rbx # context->Rip<.Lprologue + jb .Lin_prologue + + mov 152($context),%rax # pull context->Rsp + + mov 4(%r11),%r10d # HandlerData[1] + lea (%rsi,%r10),%r10 # epilogue label + cmp %r10,%rbx # context->Rip>=.Lepilogue + jae .Lin_prologue + + mov 16(%rax),%rax # pull saved stack pointer + + mov -8(%rax),%rbx + mov -16(%rax),%rbp + mov -24(%rax),%r12 + mov -32(%rax),%r13 + mov -40(%rax),%r14 + mov -48(%rax),%r15 + mov %rbx,144($context) # restore context->Rbx + mov %rbp,160($context) # restore context->Rbp + mov %r12,216($context) # restore cotnext->R12 + mov %r13,224($context) # restore cotnext->R13 + mov %r14,232($context) # restore cotnext->R14 + mov %r15,240($context) # restore cotnext->R15 + + lea -56-10*16(%rax),%rsi + lea 512($context),%rdi # &context.Xmm6 + mov \$20,%ecx + .long 0xa548f3fc # cld; rep movsq + +.Lin_prologue: + mov 8(%rax),%rdi + mov 16(%rax),%rsi + mov %rax,152($context) # restore context->Rsp + mov %rsi,168($context) # restore context->Rsi + mov %rdi,176($context) # restore context->Rdi + + mov 40($disp),%rdi # disp->ContextRecord + mov $context,%rsi # context + mov \$154,%ecx # sizeof(CONTEXT) + .long 0xa548f3fc # cld; rep movsq + + mov $disp,%rsi + xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER + mov 8(%rsi),%rdx # arg2, disp->ImageBase + mov 0(%rsi),%r8 # arg3, disp->ControlPc + mov 16(%rsi),%r9 # arg4, disp->FunctionEntry + mov 40(%rsi),%r10 # disp->ContextRecord + lea 56(%rsi),%r11 # &disp->HandlerData + lea 24(%rsi),%r12 # &disp->EstablisherFrame + mov %r10,32(%rsp) # arg5 + mov %r11,40(%rsp) # arg6 + mov %r12,48(%rsp) # arg7 + mov %rcx,56(%rsp) # arg8, (NULL) + call *__imp_RtlVirtualUnwind(%rip) + + mov \$1,%eax # ExceptionContinueSearch + add \$64,%rsp + popfq + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + pop %rdi + pop %rsi + ret +.size se_handler,.-se_handler + +.section .pdata +.align 4 + .rva .LSEH_begin_aesni_multi_cbc_encrypt + .rva .LSEH_end_aesni_multi_cbc_encrypt + .rva .LSEH_info_aesni_multi_cbc_encrypt + .rva .LSEH_begin_aesni_multi_cbc_decrypt + .rva .LSEH_end_aesni_multi_cbc_decrypt + .rva .LSEH_info_aesni_multi_cbc_decrypt +___ +$code.=<<___ if ($avx); + .rva .LSEH_begin_aesni_multi_cbc_encrypt_avx + .rva .LSEH_end_aesni_multi_cbc_encrypt_avx + .rva .LSEH_info_aesni_multi_cbc_encrypt_avx + .rva .LSEH_begin_aesni_multi_cbc_decrypt_avx + .rva .LSEH_end_aesni_multi_cbc_decrypt_avx + .rva .LSEH_info_aesni_multi_cbc_decrypt_avx +___ +$code.=<<___; +.section .xdata +.align 8 +.LSEH_info_aesni_multi_cbc_encrypt: + .byte 9,0,0,0 + .rva se_handler + .rva .Lenc4x_body,.Lenc4x_epilogue # HandlerData[] +.LSEH_info_aesni_multi_cbc_decrypt: + .byte 9,0,0,0 + .rva se_handler + .rva .Ldec4x_body,.Ldec4x_epilogue # HandlerData[] +___ +$code.=<<___ if ($avx); +.LSEH_info_aesni_multi_cbc_encrypt_avx: + .byte 9,0,0,0 + .rva se_handler + .rva .Lenc8x_body,.Lenc8x_epilogue # HandlerData[] +.LSEH_info_aesni_multi_cbc_decrypt_avx: + .byte 9,0,0,0 + .rva se_handler + .rva .Ldec8x_body,.Ldec8x_epilogue # HandlerData[] +___ +} +#################################################################### + +sub rex { + local *opcode=shift; + my ($dst,$src)=@_; + my $rex=0; + + $rex|=0x04 if($dst>=8); + $rex|=0x01 if($src>=8); + push @opcode,$rex|0x40 if($rex); +} + +sub aesni { + my $line=shift; + my @opcode=(0x66); + + if ($line=~/(aeskeygenassist)\s+\$([x0-9a-f]+),\s*%xmm([0-9]+),\s*%xmm([0-9]+)/) { + rex(\@opcode,$4,$3); + push @opcode,0x0f,0x3a,0xdf; + push @opcode,0xc0|($3&7)|(($4&7)<<3); # ModR/M + my $c=$2; + push @opcode,$c=~/^0/?oct($c):$c; + return ".byte\t".join(',',@opcode); + } + elsif ($line=~/(aes[a-z]+)\s+%xmm([0-9]+),\s*%xmm([0-9]+)/) { + my %opcodelet = ( + "aesimc" => 0xdb, + "aesenc" => 0xdc, "aesenclast" => 0xdd, + "aesdec" => 0xde, "aesdeclast" => 0xdf + ); + return undef if (!defined($opcodelet{$1})); + rex(\@opcode,$3,$2); + push @opcode,0x0f,0x38,$opcodelet{$1}; + push @opcode,0xc0|($2&7)|(($3&7)<<3); # ModR/M + return ".byte\t".join(',',@opcode); + } + elsif ($line=~/(aes[a-z]+)\s+([0x1-9a-fA-F]*)\(%rsp\),\s*%xmm([0-9]+)/) { + my %opcodelet = ( + "aesenc" => 0xdc, "aesenclast" => 0xdd, + "aesdec" => 0xde, "aesdeclast" => 0xdf + ); + return undef if (!defined($opcodelet{$1})); + my $off = $2; + push @opcode,0x44 if ($3>=8); + push @opcode,0x0f,0x38,$opcodelet{$1}; + push @opcode,0x44|(($3&7)<<3),0x24; # ModR/M + push @opcode,($off=~/^0/?oct($off):$off)&0xff; + return ".byte\t".join(',',@opcode); + } + return $line; +} + +$code =~ s/\`([^\`]*)\`/eval($1)/gem; +$code =~ s/\b(aes.*%xmm[0-9]+).*$/aesni($1)/gem; + +print $code; +close STDOUT; |