/* * Copyright (C) 2018 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * cpuid.h * * Created on: Jan 4, 2018 * Author: don */ #ifndef CPUID_H_ #define CPUID_H_ /* CPUID bit definitions */ #define CPUID_ECX_SSE3 (1<<0) #define CPUID_ECX_PCLMUL (1<<1) #define CPUID_ECX_DTES64 (1<<2) #define CPUID_ECX_MONITOR (1<<3) #define CPUID_ECX_DS_CPL (1<<4) #define CPUID_ECX_VMX (1<<5) #define CPUID_ECX_SMX (1<<6) #define CPUID_ECX_EST (1<<7) #define CPUID_ECX_TM2 (1<<8) #define CPUID_ECX_SSSE3 (1<<9) #define CPUID_ECX_CID (1<<10) #define CPUID_ECX_FMA (1<<12) #define CPUID_ECX_CX16 (1<<13) #define CPUID_ECX_ETPRD (1<<14) #define CPUID_ECX_PDCM (1<<15) #define CPUID_ECX_DCA (1<<18) #define CPUID_ECX_SSE4_1 (1<<19) #define CPUID_ECX_SSE4_2 (1<<20) #define CPUID_ECX_x2APIC (1<<21) #define CPUID_ECX_MOVBE (1<<22) #define CPUID_ECX_POPCNT (1<<23) #define CPUID_ECX_AES (1<<25) #define CPUID_ECX_XSAVE (1<<26) #define CPUID_ECX_OSXSAVE (1<<27) #define CPUID_ECX_AVX (1<<28) #define CPUID_EDX_FPU (1<<0) #define CPUID_EDX_VME (1<<1) #define CPUID_EDX_DE (1<<2) #define CPUID_EDX_PSE (1<<3) #define CPUID_EDX_TSC (1<<4) #define CPUID_EDX_MSR (1<<5) #define CPUID_EDX_PAE (1<<6) #define CPUID_EDX_MCE (1<<7) #define CPUID_EDX_CX8 (1<<8) #define CPUID_EDX_APIC (1<<9) #define CPUID_EDX_SEP (1<<11) #define CPUID_EDX_MTRR (1<<12) #define CPUID_EDX_PGE (1<<13) #define CPUID_EDX_MCA (1<<14) #define CPUID_EDX_CMOV (1<<15) #define CPUID_EDX_PAT (1<<16) #define CPUID_EDX_PSE36 (1<<17) #define CPUID_EDX_PSN (1<<18) #define CPUID_EDX_CLF (1<<19) #define CPUID_EDX_DTES (1<<21) #define CPUID_EDX_ACPI (1<<22) #define CPUID_EDX_MMX (1<<23) #define CPUID_EDX_FXSR (1<<24) #define CPUID_EDX_SSE (1<<25) #define CPUID_EDX_SSE2 (1<<26) #define CPUID_EDX_SS (1<<27) #define CPUID_EDX_HTT (1<<28) #define CPUID_EDX_TM1 (1<<29) #define CPUID_EDX_IA64 (1<<30) #define CPUID_EDX_PBE (1<<31) /* CPUID.07H:EBX.TSC_ADJUST*/ #define CPUID_EBX_TSC_ADJ (1<<1) /* CPUID.07H:EDX.IBRS_IBPB*/ #define CPUID_EDX_IBRS_IBPB (1<<26) /* CPUID.07H:EDX.STIBP*/ #define CPUID_EDX_STIBP (1<<27) /* CPUID.80000001H:EDX.Page1GB*/ #define CPUID_EDX_PAGE1GB (1<<26) /* CPUID.07H:EBX.INVPCID*/ #define CPUID_EBX_INVPCID (1<<10) /* CPUID.01H:ECX.PCID*/ #define CPUID_ECX_PCID (1<<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_ */