| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * Implement get_cpuid() in Windows. |
| */ |
| |
| #ifndef _LIBHDFS3_CPUID_HEADER_ |
| #define _LIBHDFS3_CPUID_HEADER_ |
| |
| #include <intrin.h> |
| |
| #if ((defined(__X86__) || defined(__i386__) || defined(i386) || defined(_M_IX86) || defined(__386__) || defined(__x86_64__) || defined(_M_X64))) |
| int __get_cpuid(unsigned int __level, unsigned int *__eax, |
| unsigned int *__ebx, unsigned int *__ecx, unsigned int *__edx) { |
| int CPUInfo[4] = { *__eax, *__ebx, *__ecx, *__edx }; |
| __cpuid(CPUInfo, 0); |
| // check if the CPU supports the cpuid instruction. |
| if (CPUInfo[0] != 0) { |
| __cpuid(CPUInfo, __level); |
| *__eax = CPUInfo[0]; |
| *__ebx = CPUInfo[1]; |
| *__ecx = CPUInfo[2]; |
| *__edx = CPUInfo[3]; |
| return 1; |
| } |
| return 0; |
| } |
| #else |
| #error Unimplemented __get_cpuid() for non-x86 processor! |
| #endif |
| |
| #endif |
