| Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/drm/sis/@/crypto/aesni/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/drm/sis/@/crypto/aesni/aesencdec_i386.S |
/*- * Copyright (c) 2010 Konstantin Belousov <kib@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <machine/asmacros.h> ENTRY(aesni_enc) .cfi_startproc pushl %ebp .cfi_adjust_cfa_offset 4 movl %esp,%ebp movl 8(%ebp),%ecx /* rounds */ movl 16(%ebp),%edx movdqu (%edx),%xmm0 /* from */ movl 24(%ebp),%eax /* iv */ cmpl $0,%eax je 1f movdqu (%eax),%xmm1 pxor %xmm1,%xmm0 1: movl 12(%ebp),%eax /* key */ pxor (%eax),%xmm0 2: addl $0x10,%eax // aesenc (%eax),%xmm0 .byte 0x66,0x0f,0x38,0xdc,0x00 loopne 2b addl $0x10,%eax // aesenclast (%eax),%xmm0 .byte 0x66,0x0f,0x38,0xdd,0x00 movl 20(%ebp),%eax movdqu %xmm0,(%eax) /* to */ leave .cfi_adjust_cfa_offset -4 retl .cfi_endproc END(aesni_enc) ENTRY(aesni_dec) .cfi_startproc pushl %ebp .cfi_adjust_cfa_offset 4 movl %esp,%ebp movl 8(%ebp),%ecx /* rounds */ movl 16(%ebp),%edx movdqu (%edx),%xmm0 /* from */ movl 12(%ebp),%eax /* key */ pxor (%eax),%xmm0 1: addl $0x10,%eax // aesdec (%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x00 loopne 1b addl $0x10,%eax // aesdeclast (%eax),%xmm0 .byte 0x66,0x0f,0x38,0xdf,0x00 movl 24(%ebp),%eax cmpl $0,%eax /* iv */ je 2f movdqu (%eax),%xmm1 pxor %xmm1,%xmm0 2: movl 20(%ebp),%eax movdqu %xmm0,(%eax) /* to */ leave .cfi_adjust_cfa_offset -4 retl .cfi_endproc END(aesni_dec) ENTRY(aesni_decrypt_cbc) .cfi_startproc pushl %ebp .cfi_adjust_cfa_offset 4 movl %esp,%ebp pushl %ebx pushl %esi movl 12(%ebp),%eax /* key */ movl 16(%ebp),%ecx /* length */ shrl $4,%ecx movl 20(%ebp),%ebx /* buf */ movl 24(%ebp),%esi movdqu (%esi),%xmm1 /* iv */ movl 8(%ebp),%esi /* rounds */ 1: movdqu (%ebx),%xmm0 movdqa %xmm0,%xmm2 pxor (%eax),%xmm0 cmpl $12,%esi // aesdec 0x10(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x40,0x10 // aesdec 0x20(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x40,0x20 // aesdec 0x30(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x40,0x30 // aesdec 0x40(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x40,0x40 // aesdec 0x50(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x40,0x50 // aesdec 0x60(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x40,0x60 // aesdec 0x70(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x40,0x70 // aesdec 0x80(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x80,0x80,0x00,0x00,0x00 // aesdec 0x90(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x80,0x90,0x00,0x00,0x00 jge 2f // aesdeclast 0xa0(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xdf,0x80,0xa0,0x00,0x00,0x00 jmp 4f 2: // aesdec 0xa0(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x80,0xa0,0x00,0x00,0x00 // aesdec 0xb0(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x80,0xb0,0x00,0x00,0x00 jg 3f // aesdeclast 0xc0(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xdf,0x80,0xc0,0x00,0x00,0x00 jmp 4f 3: // aesdec 0xc0(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x80,0xc0,0x00,0x00,0x00 // aesdec 0xd0(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xde,0x80,0xd0,0x00,0x00,0x00 // aesdeclast 0xe0(%eax),%xmm0 .byte 0x66,0x0f,0x38,0xdf,0x80,0xe0,0x00,0x00,0x00 4: pxor %xmm1,%xmm0 movdqu %xmm0,(%ebx) movdqa %xmm2,%xmm1 addl $0x10,%ebx decl %ecx jne 1b popl %esi popl %ebx leave .cfi_adjust_cfa_offset -4 retl .cfi_endproc END(aesni_decrypt_cbc) .ident "$FreeBSD: release/9.1.0/sys/crypto/aesni/aesencdec_i386.S 210409 2010-07-23 11:00:46Z kib $"