zephyr/arch/x86/core/cpuid.c

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/*
* Copyright (c) 2022 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <cpuid.h> /* Header provided by the toolchain. */
#include <kernel_structs.h>
#include <arch/x86/cpuid.h>
#include <kernel.h>
uint32_t z_x86_cpuid_extended_features(void)
{
uint32_t eax, ebx, ecx = 0U, edx;
if (__get_cpuid(CPUID_EXTENDED_FEATURES_LVL,
&eax, &ebx, &ecx, &edx) == 0) {
return 0;
}
return edx;
}