;/******************************************************************************; *; *  Copyright (C) 2001 - Michael Militzer <isibaar@xvid.org>; *; *  This file is part of XviD, a free MPEG-4 video encoder/decoder; *; *  XviD is free software; you can redistribute it and/or modify it; *  under the terms of the GNU General Public License as published by; *  the Free Software Foundation; either version 2 of the License, or; *  (at your option) any later version.; *; *  This program is distributed in the hope that it will be useful,; *  but WITHOUT ANY WARRANTY; without even the implied warranty of; *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the; *  GNU General Public License for more details.; *; *  You should have received a copy of the GNU General Public License; *  along with this program; if not, write to the Free Software; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA; *; *  Under section 8 of the GNU General Public License, the copyright; *  holders of XVID explicitly forbid distribution in the following; *  countries:; *; *    - Japan; *    - United States of America; *; *  Linking XviD statically or dynamically with other modules is making a; *  combined work based on XviD.  Thus, the terms and conditions of the; *  GNU General Public License cover the whole combination.; *; *  As a special exception, the copyright holders of XviD give you; *  permission to link XviD with independent modules that communicate with; *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the; *  license terms of these independent modules, and to copy and distribute; *  the resulting combined work under terms of your choice, provided that; *  every copy of the combined work is accompanied by a complete copy of; *  the source code of XviD (the version of XviD used to produce the; *  combined work), being distributed under the terms of the GNU General; *  Public License plus this exception.  An independent module is a module; *  which is not derived from or based on XviD.; *; *  Note that people who make modified versions of XviD are not obligated; *  to grant this special exception for their modified versions; it is; *  their choice whether to do so.  The GNU General Public License gives; *  permission to release a modified version without this exception; this; *  exception also makes it possible to release a modified version which; *  carries forward this exception.; *; * $Id: cpuid.asm,v 1.3 2002/11/17 00:51:11 edgomez Exp $; ******************************************************************************/bits 32%define CPUID_TSC				0x00000010%define CPUID_MMX				0x00800000%define CPUID_SSE				0x02000000%define CPUID_SSE2				0x04000000%define EXT_CPUID_3DNOW			0x80000000%define EXT_CPUID_AMD_3DNOWEXT	0x40000000%define EXT_CPUID_AMD_MMXEXT	0x00400000%define XVID_CPU_MMX			0x00000001%define XVID_CPU_MMXEXT			0x00000002%define XVID_CPU_SSE	        0x00000004%define XVID_CPU_SSE2			0x00000008%define XVID_CPU_3DNOW          0x00000010%define XVID_CPU_3DNOWEXT		0x00000020%define XVID_CPU_TSC            0x00000040%macro cglobal 1	%ifdef PREFIX		global _%1		%define %1 _%1	%else		global %1	%endif%endmacroALIGN 32section .datavendorAMD	db "AuthenticAMD"%macro  CHECK_FEATURE         3    mov     ecx, %1    and     ecx, edx    neg     ecx    sbb     ecx, ecx    and     ecx, %2    or      %3, ecx%endmacrosection .text; int check_cpu_feature(void)cglobal check_cpu_featurescheck_cpu_features:	push ebx	push esi	push edi	push ebp	xor ebp,ebp	; CPUID command ?	pushfd	pop		eax	mov		ecx, eax	xor		eax, 0x200000	push	eax	popfd	pushfd	pop		eax	cmp		eax, ecx	jz		near .cpu_quit		; no CPUID command -> exit	; get vendor string, used later    xor     eax, eax    cpuid    mov     [esp-12], ebx       ; vendor string    mov     [esp-12+4], edx    mov     [esp-12+8], ecx    test    eax, eax    jz      near .cpu_quit    mov     eax, 1    cpuid    ; RDTSC command ?	CHECK_FEATURE CPUID_TSC, XVID_CPU_TSC, ebp    ; MMX support ?	CHECK_FEATURE CPUID_MMX, XVID_CPU_MMX, ebp    ; SSE support ?	CHECK_FEATURE CPUID_SSE, (XVID_CPU_MMXEXT|XVID_CPU_SSE), ebp	; SSE2 support?	CHECK_FEATURE CPUID_SSE2, XVID_CPU_SSE2, ebp	; extended functions?    mov     eax, 0x80000000    cpuid    cmp     eax, 0x80000000    jbe     near .cpu_quit    mov     eax, 0x80000001    cpuid	; AMD cpu ?    lea     esi, [vendorAMD]    lea     edi, [esp-12]    mov     ecx, 12    cld    repe    cmpsb    jnz     .cpu_quit    ; 3DNow! support ?	CHECK_FEATURE EXT_CPUID_3DNOW, XVID_CPU_3DNOW, ebp	; 3DNOW extended ?	CHECK_FEATURE EXT_CPUID_AMD_3DNOWEXT, XVID_CPU_3DNOWEXT, ebp	; extended MMX ?	CHECK_FEATURE EXT_CPUID_AMD_MMXEXT, XVID_CPU_MMXEXT, ebp.cpu_quit:	mov eax, ebp	pop ebp	pop edi	pop esi	pop ebx	ret; sse/sse2 operating support detection routines; these will trigger an invalid instruction signal if not supported.cglobal sse_os_triggeralign 16sse_os_trigger:	xorps xmm0, xmm0	retcglobal sse2_os_triggeralign 16sse2_os_trigger:	xorpd xmm0, xmm0	ret