www.pudn.com > X264_20060729.rar > cpu-a.asm
;***************************************************************************** ;* cpu.asm: h264 encoder library ;***************************************************************************** ;* Copyright (C) 2003 x264 project ;* $Id: cpu.asm,v 1.1 2004/06/03 19:27:07 fenrir Exp $ ;* ;* Authors: Laurent Aimar;* ;* This program 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, USA. ;***************************************************************************** BITS 32 ;============================================================================= ; Macros and other preprocessor constants ;============================================================================= %include "i386inc.asm" ;============================================================================= ; Code ;============================================================================= SECTION .text cglobal x264_cpu_cpuid_test cglobal x264_cpu_cpuid cglobal x264_emms ALIGN 16 ;----------------------------------------------------------------------------- ; int __cdecl x264_cpu_cpuid_test( void ) return 0 if unsupported ;----------------------------------------------------------------------------- x264_cpu_cpuid_test: pushfd push ebx push ebp push esi push edi pushfd pop eax mov ebx, eax xor eax, 0x200000 push eax popfd pushfd pop eax xor eax, ebx pop edi pop esi pop ebp pop ebx popfd ret ALIGN 16 ;----------------------------------------------------------------------------- ; int __cdecl x264_cpu_cpuid( int op, int *eax, int *ebx, int *ecx, int *edx ) ;----------------------------------------------------------------------------- x264_cpu_cpuid: push ebp mov ebp, esp push ebx push esi push edi mov eax, [ebp + 8] cpuid mov esi, [ebp + 12] mov [esi], eax mov esi, [ebp + 16] mov [esi], ebx mov esi, [ebp + 20] mov [esi], ecx mov esi, [ebp + 24] mov [esi], edx pop edi pop esi pop ebx pop ebp ret ALIGN 16 ;----------------------------------------------------------------------------- ; void __cdecl x264_emms( void ) ;----------------------------------------------------------------------------- x264_emms: emms ret