;***************************************************************************** ;* Copyright (C) 2005-2010 x264 project ;* ;* Authors: Loren Merritt <lorenm@u.washington.edu> ;* Jason Garrett-Glaser <darkshikari@gmail.com> ;* ;* This file is part of FFmpeg. ;* ;* FFmpeg is free software; you can redistribute it and/or ;* modify it under the terms of the GNU Lesser General Public ;* License as published by the Free Software Foundation; either ;* version 2.1 of the License, or (at your option) any later version. ;* ;* FFmpeg 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 ;* Lesser General Public License for more details. ;* ;* You should have received a copy of the GNU Lesser General Public ;* License along with FFmpeg; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** %include "x86util.asm" SECTION .text ;----------------------------------------------------------------------------- ; void ff_cpu_cpuid(int index, int *eax, int *ebx, int *ecx, int *edx) ;----------------------------------------------------------------------------- cglobal cpu_cpuid, 5,7 push rbx push r4 push r3 push r2 push r1 mov eax, r0d xor ecx, ecx cpuid pop r4 mov [r4], eax pop r4 mov [r4], ebx pop r4 mov [r4], ecx pop r4 mov [r4], edx pop rbx RET ;----------------------------------------------------------------------------- ; void ff_cpu_xgetbv(int op, int *eax, int *edx) ;----------------------------------------------------------------------------- cglobal cpu_xgetbv, 3,7 push r2 push r1 mov ecx, r0d xgetbv pop r4 mov [r4], eax pop r4 mov [r4], edx RET %if ARCH_X86_64 == 0 ;----------------------------------------------------------------------------- ; int ff_cpu_cpuid_test(void) ; return 0 if unsupported ;----------------------------------------------------------------------------- cglobal 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 %endif