yading@11: ;*****************************************************************************
yading@11: ;* Copyright (C) 2005-2010 x264 project
yading@11: ;*
yading@11: ;* Authors: Loren Merritt <lorenm@u.washington.edu>
yading@11: ;*          Jason Garrett-Glaser <darkshikari@gmail.com>
yading@11: ;*
yading@11: ;* This file is part of FFmpeg.
yading@11: ;*
yading@11: ;* FFmpeg is free software; you can redistribute it and/or
yading@11: ;* modify it under the terms of the GNU Lesser General Public
yading@11: ;* License as published by the Free Software Foundation; either
yading@11: ;* version 2.1 of the License, or (at your option) any later version.
yading@11: ;*
yading@11: ;* FFmpeg is distributed in the hope that it will be useful,
yading@11: ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11: ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11: ;* Lesser General Public License for more details.
yading@11: ;*
yading@11: ;* You should have received a copy of the GNU Lesser General Public
yading@11: ;* License along with FFmpeg; if not, write to the Free Software
yading@11: ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11: ;******************************************************************************
yading@11: 
yading@11: %include "x86util.asm"
yading@11: 
yading@11: SECTION .text
yading@11: 
yading@11: ;-----------------------------------------------------------------------------
yading@11: ; void ff_cpu_cpuid(int index, int *eax, int *ebx, int *ecx, int *edx)
yading@11: ;-----------------------------------------------------------------------------
yading@11: cglobal cpu_cpuid, 5,7
yading@11:     push rbx
yading@11:     push  r4
yading@11:     push  r3
yading@11:     push  r2
yading@11:     push  r1
yading@11:     mov  eax, r0d
yading@11:     xor  ecx, ecx
yading@11:     cpuid
yading@11:     pop   r4
yading@11:     mov [r4], eax
yading@11:     pop   r4
yading@11:     mov [r4], ebx
yading@11:     pop   r4
yading@11:     mov [r4], ecx
yading@11:     pop   r4
yading@11:     mov [r4], edx
yading@11:     pop  rbx
yading@11:     RET
yading@11: 
yading@11: ;-----------------------------------------------------------------------------
yading@11: ; void ff_cpu_xgetbv(int op, int *eax, int *edx)
yading@11: ;-----------------------------------------------------------------------------
yading@11: cglobal cpu_xgetbv, 3,7
yading@11:     push  r2
yading@11:     push  r1
yading@11:     mov  ecx, r0d
yading@11:     xgetbv
yading@11:     pop   r4
yading@11:     mov [r4], eax
yading@11:     pop   r4
yading@11:     mov [r4], edx
yading@11:     RET
yading@11: 
yading@11: %if ARCH_X86_64 == 0
yading@11: ;-----------------------------------------------------------------------------
yading@11: ; int ff_cpu_cpuid_test(void)
yading@11: ; return 0 if unsupported
yading@11: ;-----------------------------------------------------------------------------
yading@11: cglobal cpu_cpuid_test
yading@11:     pushfd
yading@11:     push    ebx
yading@11:     push    ebp
yading@11:     push    esi
yading@11:     push    edi
yading@11:     pushfd
yading@11:     pop     eax
yading@11:     mov     ebx, eax
yading@11:     xor     eax, 0x200000
yading@11:     push    eax
yading@11:     popfd
yading@11:     pushfd
yading@11:     pop     eax
yading@11:     xor     eax, ebx
yading@11:     pop     edi
yading@11:     pop     esi
yading@11:     pop     ebp
yading@11:     pop     ebx
yading@11:     popfd
yading@11:     ret
yading@11: %endif