Zephyr API Documentation
4.0.0-rc2
A Scalable Open Source RTOS
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cpuid.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2022 Intel Corp.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_ARCH_X86_CPUID_H_
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#define ZEPHYR_INCLUDE_ARCH_X86_CPUID_H_
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#ifndef _ASMLANGUAGE
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define CPUID_BASIC_INFO_1 0x01
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#define CPUID_EXTENDED_FEATURES_LVL 0x07
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#define CPUID_EXTENDED_TOPOLOGY_ENUMERATION 0x0B
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#define CPUID_EXTENDED_TOPOLOGY_ENUMERATION_V2 0x1F
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/* Bits to check in CPUID extended features */
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#define CPUID_SPEC_CTRL_SSBD BIT(31)
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#define CPUID_SPEC_CTRL_IBRS BIT(26)
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uint32_t
z_x86_cpuid_extended_features(
void
);
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uint8_t
z_x86_cpuid_get_current_physical_apic_id(
void
);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* _ASMLANGUAGE */
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#endif
/* ZEPHYR_INCLUDE_ARCH_X86_CPUID_H_ */
uint32_t
__UINT32_TYPE__ uint32_t
Definition
stdint.h:90
uint8_t
__UINT8_TYPE__ uint8_t
Definition
stdint.h:88
zephyr
arch
x86
cpuid.h
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