GNU Radio's DVBS2RX Package
cpuid_x86.h
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1// Copyright 2017 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef CPU_FEATURES_INCLUDE_INTERNAL_CPUID_X86_H_
16#define CPU_FEATURES_INCLUDE_INTERNAL_CPUID_X86_H_
17
18#include <stdint.h>
19
20#include "cpu_features_macros.h"
21
23
24// A struct to hold the result of a call to cpuid.
25typedef struct {
26 uint32_t eax, ebx, ecx, edx;
27} Leaf;
28
29// Returns the result of a call to the cpuid instruction.
30Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx);
31
32// Returns the eax value of the XCR0 register.
33uint32_t GetXCR0Eax(void);
34
36
37#endif // CPU_FEATURES_INCLUDE_INTERNAL_CPUID_X86_H_
#define CPU_FEATURES_START_CPP_NAMESPACE
Definition cpu_features_macros.h:127
#define CPU_FEATURES_END_CPP_NAMESPACE
Definition cpu_features_macros.h:128
Leaf GetCpuidLeaf(uint32_t leaf_id, int ecx)
uint32_t GetXCR0Eax(void)
Definition cpuid_x86.h:25
uint32_t eax
Definition cpuid_x86.h:26