You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.1 KiB
38 lines
1.1 KiB
// Copyright 2017 Google LLC
|
|
//
|
|
// Licensed 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.
|
|
|
|
#ifndef CPU_FEATURES_INCLUDE_INTERNAL_CPUID_X86_H_
|
|
#define CPU_FEATURES_INCLUDE_INTERNAL_CPUID_X86_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "cpu_features_macros.h"
|
|
|
|
CPU_FEATURES_START_CPP_NAMESPACE
|
|
|
|
// A struct to hold the result of a call to cpuid.
|
|
typedef struct {
|
|
uint32_t eax, ebx, ecx, edx;
|
|
} Leaf;
|
|
|
|
// Returns the result of a call to the cpuid instruction.
|
|
Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx);
|
|
|
|
// Returns the eax value of the XCR0 register.
|
|
uint32_t GetXCR0Eax(void);
|
|
|
|
CPU_FEATURES_END_CPP_NAMESPACE
|
|
|
|
#endif // CPU_FEATURES_INCLUDE_INTERNAL_CPUID_X86_H_
|