| /* |
| * Copyright (c) 2022 Intel Corp. |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_INCLUDE_ARCH_X86_CPUID_H_ |
| #define ZEPHYR_INCLUDE_ARCH_X86_CPUID_H_ |
| |
| #ifndef _ASMLANGUAGE |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define CPUID_BASIC_INFO_1 0x01 |
| #define CPUID_EXTENDED_FEATURES_LVL 0x07 |
| #define CPUID_EXTENDED_TOPOLOGY_ENUMERATION 0x0B |
| #define CPUID_EXTENDED_TOPOLOGY_ENUMERATION_V2 0x1F |
| |
| /* Bits to check in CPUID extended features */ |
| #define CPUID_SPEC_CTRL_SSBD BIT(31) |
| #define CPUID_SPEC_CTRL_IBRS BIT(26) |
| |
| uint32_t z_x86_cpuid_extended_features(void); |
| |
| uint8_t z_x86_cpuid_get_current_physical_apic_id(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif /* _ASMLANGUAGE */ |
| |
| #endif /* ZEPHYR_INCLUDE_ARCH_X86_CPUID_H_ */ |
