1cabdff1aSopenharmony_ci;***************************************************************************** 2cabdff1aSopenharmony_ci;* Copyright (C) 2005-2010 x264 project 3cabdff1aSopenharmony_ci;* 4cabdff1aSopenharmony_ci;* Authors: Loren Merritt <lorenm@u.washington.edu> 5cabdff1aSopenharmony_ci;* Fiona Glaser <fiona@x264.com> 6cabdff1aSopenharmony_ci;* 7cabdff1aSopenharmony_ci;* This file is part of FFmpeg. 8cabdff1aSopenharmony_ci;* 9cabdff1aSopenharmony_ci;* FFmpeg is free software; you can redistribute it and/or 10cabdff1aSopenharmony_ci;* modify it under the terms of the GNU Lesser General Public 11cabdff1aSopenharmony_ci;* License as published by the Free Software Foundation; either 12cabdff1aSopenharmony_ci;* version 2.1 of the License, or (at your option) any later version. 13cabdff1aSopenharmony_ci;* 14cabdff1aSopenharmony_ci;* FFmpeg is distributed in the hope that it will be useful, 15cabdff1aSopenharmony_ci;* but WITHOUT ANY WARRANTY; without even the implied warranty of 16cabdff1aSopenharmony_ci;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17cabdff1aSopenharmony_ci;* Lesser General Public License for more details. 18cabdff1aSopenharmony_ci;* 19cabdff1aSopenharmony_ci;* You should have received a copy of the GNU Lesser General Public 20cabdff1aSopenharmony_ci;* License along with FFmpeg; if not, write to the Free Software 21cabdff1aSopenharmony_ci;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22cabdff1aSopenharmony_ci;****************************************************************************** 23cabdff1aSopenharmony_ci 24cabdff1aSopenharmony_ci%include "libavutil/x86/x86util.asm" 25cabdff1aSopenharmony_ci 26cabdff1aSopenharmony_ciSECTION .text 27cabdff1aSopenharmony_ci 28cabdff1aSopenharmony_ci;----------------------------------------------------------------------------- 29cabdff1aSopenharmony_ci; void ff_cpu_cpuid(int index, int *eax, int *ebx, int *ecx, int *edx) 30cabdff1aSopenharmony_ci;----------------------------------------------------------------------------- 31cabdff1aSopenharmony_cicglobal cpu_cpuid, 5,7 32cabdff1aSopenharmony_ci push rbx 33cabdff1aSopenharmony_ci push r4 34cabdff1aSopenharmony_ci push r3 35cabdff1aSopenharmony_ci push r2 36cabdff1aSopenharmony_ci push r1 37cabdff1aSopenharmony_ci mov eax, r0d 38cabdff1aSopenharmony_ci xor ecx, ecx 39cabdff1aSopenharmony_ci cpuid 40cabdff1aSopenharmony_ci pop r4 41cabdff1aSopenharmony_ci mov [r4], eax 42cabdff1aSopenharmony_ci pop r4 43cabdff1aSopenharmony_ci mov [r4], ebx 44cabdff1aSopenharmony_ci pop r4 45cabdff1aSopenharmony_ci mov [r4], ecx 46cabdff1aSopenharmony_ci pop r4 47cabdff1aSopenharmony_ci mov [r4], edx 48cabdff1aSopenharmony_ci pop rbx 49cabdff1aSopenharmony_ci RET 50cabdff1aSopenharmony_ci 51cabdff1aSopenharmony_ci;----------------------------------------------------------------------------- 52cabdff1aSopenharmony_ci; void ff_cpu_xgetbv(int op, int *eax, int *edx) 53cabdff1aSopenharmony_ci;----------------------------------------------------------------------------- 54cabdff1aSopenharmony_cicglobal cpu_xgetbv, 3,7 55cabdff1aSopenharmony_ci push r2 56cabdff1aSopenharmony_ci push r1 57cabdff1aSopenharmony_ci mov ecx, r0d 58cabdff1aSopenharmony_ci xgetbv 59cabdff1aSopenharmony_ci pop r4 60cabdff1aSopenharmony_ci mov [r4], eax 61cabdff1aSopenharmony_ci pop r4 62cabdff1aSopenharmony_ci mov [r4], edx 63cabdff1aSopenharmony_ci RET 64cabdff1aSopenharmony_ci 65cabdff1aSopenharmony_ci%if ARCH_X86_64 == 0 66cabdff1aSopenharmony_ci;----------------------------------------------------------------------------- 67cabdff1aSopenharmony_ci; int ff_cpu_cpuid_test(void) 68cabdff1aSopenharmony_ci; return 0 if unsupported 69cabdff1aSopenharmony_ci;----------------------------------------------------------------------------- 70cabdff1aSopenharmony_cicglobal cpu_cpuid_test 71cabdff1aSopenharmony_ci pushfd 72cabdff1aSopenharmony_ci push ebx 73cabdff1aSopenharmony_ci push ebp 74cabdff1aSopenharmony_ci push esi 75cabdff1aSopenharmony_ci push edi 76cabdff1aSopenharmony_ci pushfd 77cabdff1aSopenharmony_ci pop eax 78cabdff1aSopenharmony_ci mov ebx, eax 79cabdff1aSopenharmony_ci xor eax, 0x200000 80cabdff1aSopenharmony_ci push eax 81cabdff1aSopenharmony_ci popfd 82cabdff1aSopenharmony_ci pushfd 83cabdff1aSopenharmony_ci pop eax 84cabdff1aSopenharmony_ci xor eax, ebx 85cabdff1aSopenharmony_ci pop edi 86cabdff1aSopenharmony_ci pop esi 87cabdff1aSopenharmony_ci pop ebp 88cabdff1aSopenharmony_ci pop ebx 89cabdff1aSopenharmony_ci popfd 90cabdff1aSopenharmony_ci ret 91cabdff1aSopenharmony_ci%endif 92