/* * Copyright (C) 2018 Intel Corporation. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /* * cpuid.h * * Created on: Jan 4, 2018 * Author: don */ #ifndef CPUID_H_ #define CPUID_H_ /* CPUID bit definitions */ #define CPUID_ECX_SSE3 (1UL<<0) #define CPUID_ECX_PCLMUL (1UL<<1) #define CPUID_ECX_DTES64 (1UL<<2) #define CPUID_ECX_MONITOR (1UL<<3) #define CPUID_ECX_DS_CPL (1UL<<4) #define CPUID_ECX_VMX (1UL<<5) #define CPUID_ECX_SMX (1UL<<6) #define CPUID_ECX_EST (1UL<<7) #define CPUID_ECX_TM2 (1UL<<8) #define CPUID_ECX_SSSE3 (1UL<<9) #define CPUID_ECX_CID (1UL<<10) #define CPUID_ECX_FMA (1UL<<12) #define CPUID_ECX_CX16 (1UL<<13) #define CPUID_ECX_ETPRD (1UL<<14) #define CPUID_ECX_PDCM (1UL<<15) #define CPUID_ECX_DCA (1UL<<18) #define CPUID_ECX_SSE4_1 (1UL<<19) #define CPUID_ECX_SSE4_2 (1UL<<20) #define CPUID_ECX_x2APIC (1UL<<21) #define CPUID_ECX_MOVBE (1UL<<22) #define CPUID_ECX_POPCNT (1UL<<23) #define CPUID_ECX_AES (1UL<<25) #define CPUID_ECX_XSAVE (1UL<<26) #define CPUID_ECX_OSXSAVE (1UL<<27) #define CPUID_ECX_AVX (1UL<<28) #define CPUID_EDX_FPU (1UL<<0) #define CPUID_EDX_VME (1UL<<1) #define CPUID_EDX_DE (1UL<<2) #define CPUID_EDX_PSE (1UL<<3) #define CPUID_EDX_TSC (1UL<<4) #define CPUID_EDX_MSR (1UL<<5) #define CPUID_EDX_PAE (1UL<<6) #define CPUID_EDX_MCE (1UL<<7) #define CPUID_EDX_CX8 (1UL<<8) #define CPUID_EDX_APIC (1UL<<9) #define CPUID_EDX_SEP (1UL<<11) #define CPUID_EDX_MTRR (1UL<<12) #define CPUID_EDX_PGE (1UL<<13) #define CPUID_EDX_MCA (1UL<<14) #define CPUID_EDX_CMOV (1UL<<15) #define CPUID_EDX_PAT (1UL<<16) #define CPUID_EDX_PSE36 (1UL<<17) #define CPUID_EDX_PSN (1UL<<18) #define CPUID_EDX_CLF (1UL<<19) #define CPUID_EDX_DTES (1UL<<21) #define CPUID_EDX_ACPI (1UL<<22) #define CPUID_EDX_MMX (1UL<<23) #define CPUID_EDX_FXSR (1UL<<24) #define CPUID_EDX_SSE (1UL<<25) #define CPUID_EDX_SSE2 (1UL<<26) #define CPUID_EDX_SS (1UL<<27) #define CPUID_EDX_HTT (1UL<<28) #define CPUID_EDX_TM1 (1UL<<29) #define CPUID_EDX_IA64 (1UL<<30) #define CPUID_EDX_PBE (1UL<<31) /* CPUID.07H:EBX.TSC_ADJUST*/ #define CPUID_EBX_TSC_ADJ (1UL<<1) /* CPUID.07H:EDX.IBRS_IBPB*/ #define CPUID_EDX_IBRS_IBPB (1UL<<26) /* CPUID.07H:EDX.STIBP*/ #define CPUID_EDX_STIBP (1UL<<27) /* CPUID.80000001H:EDX.Page1GB*/ #define CPUID_EDX_PAGE1GB (1UL<<26) /* CPUID.07H:EBX.INVPCID*/ #define CPUID_EBX_INVPCID (1UL<<10) /* CPUID.01H:ECX.PCID*/ #define CPUID_ECX_PCID (1UL<<17) /* CPUID source operands */ #define CPUID_VENDORSTRING 0 #define CPUID_FEATURES 1 #define CPUID_TLB 2 #define CPUID_SERIALNUM 3 #define CPUID_EXTEND_FEATURE 7 #define CPUID_MAX_EXTENDED_FUNCTION 0x80000000 #define CPUID_EXTEND_FUNCTION_1 0x80000001 #define CPUID_EXTEND_FUNCTION_2 0x80000002 #define CPUID_EXTEND_FUNCTION_3 0x80000003 #define CPUID_EXTEND_FUNCTION_4 0x80000004 #define CPUID_EXTEND_ADDRESS_SIZE 0x80000008 static inline void __cpuid(uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) { /* Execute CPUID instruction and save results */ asm volatile("cpuid":"=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx) : "0" (*eax), "2" (*ecx) : "memory"); } static inline void cpuid(uint32_t leaf, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) { *eax = leaf; *ecx = 0; __cpuid(eax, ebx, ecx, edx); } static inline void cpuid_subleaf(uint32_t leaf, uint32_t subleaf, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) { *eax = leaf; *ecx = subleaf; __cpuid(eax, ebx, ecx, edx); } int set_vcpuid_entries(struct vm *vm); void guest_cpuid(struct vcpu *vcpu, uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); #endif /* CPUID_H_ */